Analytical chemistry Books

Book SynopsisThe Essential Reference for the Field, Featuring Protocols, Analysis, Fundamentals, and the Latest Advances Impedance Spectroscopy: Theory, Experiment, and Applications provides a comprehensive reference for graduate students, researchers, and engineers working in electrochemistry, physical chemistry, and physics. Covering both fundamentals concepts and practical applications, this unique reference provides a level of understanding that allows immediate use of impedance spectroscopy methods. Step-by-step experiment protocols with analysis guidance lend immediate relevance to general principles, while extensive figures and equations aid in the understanding of complex concepts. Detailed discussion includes the best measurement methods and identifying sources of error, and theoretical considerations for modeling, equivalent circuits, and equations in the complex domain are provided for most subjects under investigation. Written by a team of expert contributTable of ContentsPreface to the Third Edition xi Preface to the Second Edition xiii Preface to the First Edition xv Contributors to the Third Edition xvii Chapter 1 Fundamentals of Impedance Spectroscopy 1J. Ross Macdonald and William B. Johnson 1 1.1 Background, Basic Definitions, and History 1 1.1.1 The Importance of Interfaces 1 1.1.2 The Basic Impedance Spectroscopy Experiment 2 1.1.3 Response to a Small-Signal Stimulus in the Frequency Domain 3 1.1.4 Impedance-Related Functions 5 1.1.5 Early History 6 1.2 Advantages and Limitations 7 1.2.1 Differences between Solid-State and Aqueous Electrochemistry 9 1.3 Elementary Analysis of Impedance Spectra 10 1.3.1 Physical Models for Equivalent Circuit Elements 10 1.3.2 Simple RC Circuits 11 1.3.3 Analysis of Single Impedance Arcs 12 1.4 Selected Applications of IS 16 Chapter 2 Theory 21Ian D. Raistrick, J. Ross Macdonald, and Donald R. Franceschetti 21 2.1 The Electrical Analogs of Physical and Chemical Processes 21 2.1.1 Introduction 21 2.1.2 The Electrical Properties of Bulk Homogeneous Phases 23 2.1.2.1 Introduction 23 2.1.2.2 Dielectric Relaxation in Materials with a Single Time Constant 23 2.1.2.3 Distributions of Relaxation Times 27 2.1.2.4 Conductivity and Diffusion in Electrolytes 34 2.1.2.5 Conductivity and Diffusion: A Statistical Description 36 2.1.2.6 Migration in the Absence of Concentration Gradients 38 2.1.2.7 Transport in Disordered Media 40 2.1.3 Mass and Charge Transport in the Presence of Concentration Gradients 45 2.1.3.1 Diffusion 45 2.1.3.2 Mixed Electronic–Ionic Conductors 49 2.1.3.3 Concentration Polarization 50 2.1.4 Interfaces and Boundary Conditions 51 2.1.4.1 Reversible and Irreversible Interfaces 51 2.1.4.2 Polarizable Electrodes 52 2.1.4.3 Adsorption at the Electrode–Electrolyte Interface 54 2.1.4.4 Charge Transfer at the Electrode–Electrolyte Interface 56 2.1.5 Grain Boundary Effects 60 2.1.6 Current Distribution: Porous and Rough Electrodes—The Effect of Geometry 62 2.1.6.1 Current Distribution Problems 62 2.1.6.2 Rough and Porous Electrodes 63 2.2 Physical and Electrochemical Models 67 2.2.1 The Modeling of Electrochemical Systems 67 2.2.2 Equivalent Circuits 67 2.2.2.1 Unification of Immittance Responses 67 2.2.2.2 Distributed Circuit Elements 69 2.2.2.3 Ambiguous Circuits 75 2.2.3 Modeling Results 79 2.2.3.1 Introduction 79 2.2.3.2 Supported Situations 80 2.2.3.3 Unsupported Situations: Theoretical Models 84 2.2.3.4 Equivalent Network Models 96 2.2.3.5 Unsupported Situations: Empirical and Semiempirical Models 97 Chapter 3 Measuring Techniques and Data Analysis 107Michael C. H. McKubre, Digby D. Macdonald, Brian Sayers, and J. Ross Macdonald 107 3.1 Impedance Measurement Techniques 107 3.1.1 Introduction 107 3.1.2 Frequency Domain Methods 108 3.1.2.1 Audio Frequency Bridges 108 3.1.2.2 Transformer Ratio Arm Bridges 110 3.1.2.3 Berberian–Cole Bridge 112 3.1.2.4 Considerations of Potentiostatic Control 115 3.1.2.5 Oscilloscopic Methods for Direct Measurement 116 3.1.2.6 Phase-Sensitive Detection for Direct Measurement 118 3.1.2.7 Automated Frequency Response Analysis 119 3.1.2.8 Automated Impedance Analyzers 122 3.1.2.9 The Use of Kramers–Kronig Transforms 124 3.1.2.10 Spectrum Analyzers 126 3.1.3 Time-Domain Methods 128 3.1.3.1 Introduction 128 3.1.3.2 Analog-to-Digital Conversion 129 3.1.3.3 Computer Interfacing 133 3.1.3.4 Digital Signal Processing 135 3.1.4 Conclusions 138 3.2 Commercially Available Impedance Measurement Systems 139 3.2.1 General Measurement Techniques 139 3.2.1.1 Current-to-Voltage (I–E) Conversion Techniques 139 3.2.1.2 Measurements Using 2-, 3-, or 4-Terminal Techniques 144 3.2.1.3 Measurement Resolution and Accuracy 146 3.2.1.4 Single Sine and FFT Measurement Techniques 148 3.2.2 Electrochemical Impedance Measurement Systems 152 3.2.2.1 System Configuration 152 3.2.2.2 Why Use a Potentiostat? 152 3.2.2.3 Multi-electrode Techniques 153 3.2.2.4 Effects of Connections and Input Impedance 154 3.2.2.5 Verification of Measurement Performance 155 3.2.2.6 Floating Measurement Techniques 156 3.2.2.7 Multichannel Techniques 157 3.2.3 Materials Impedance Measurement Systems 157 3.2.3.1 System Configuration 157 3.2.3.2 Measurement of Low Impedance Materials 158 3.2.3.3 Measurement of High Impedance Materials 158 3.2.3.4 Reference Techniques 159 3.2.3.5 Normalization Techniques 159 3.2.3.6 High Voltage Measurement Techniques 160 3.2.3.7 Temperature Control 160 3.2.3.8 Sample Holder Considerations 161 3.3 Data Analysis 161 3.3.1 Data Presentation and Adjustment 161 3.3.1.1 Previous Approaches 161 3.3.1.2 Three-Dimensional Perspective Plotting 162 3.3.1.3 Treatment of Anomalies 164 3.3.2 Data Analysis Methods 166 3.3.2.1 Simple Methods 166 3.3.2.2 Complex Nonlinear Least Squares 167 3.3.2.3 Weighting 168 3.3.2.4 Which Impedance-Related Function to Fit? 169 3.3.2.5 The Question of “What to Fit” Revisited 169 3.3.2.6 Deconvolution Approaches 169 3.3.2.7 Examples of CNLS Fitting 170 3.3.2.8 Summary and Simple Characterization Example 172 Chapter 4 Applications of Impedance Spectroscopy 175 4.1 Characterization of Materials 175N. Bonanos, B. C. H. Steele, and E. P. Butler 175 4.1.1 Microstructural Models for Impedance Spectra of Materials 175 4.1.1.1 Introduction 175 4.1.1.2 Layer Models 176 4.1.1.3 Effective Medium Models 183 4.1.1.4 Modeling of Composite Electrodes 191 4.1.2 Experimental Techniques 194 4.1.2.1 Introduction 194 4.1.2.2 Measurement Systems 195 4.1.2.3 Sample Preparation: Electrodes 199 4.1.2.4 Problems Associated with the Measurement of Electrode Properties 201 4.1.3 Interpretation of the Impedance Spectra of Ionic Conductors and Interfaces 203 4.1.3.1 Introduction 203 4.1.3.2 Characterization of Grain Boundaries by IS 204 4.1.3.3 Characterization of Two-Phase Dispersions by IS 215 4.1.3.4 Impedance Spectra of Unusual Two-Phase Systems 218 4.1.3.5 Impedance Spectra of Composite Electrodes 219 4.1.3.6 Closing Remarks 224 4.2 Characterization of the Electrical Response of Wide-Range-Resistivity Ionic and Dielectric Solid Materials by Immittance Spectroscopy 224J. Ross Macdonald 224 4.2.1 Introduction 224 4.2.2 Types of Dispersive Response Models: Strengths and Weaknesses 225 4.2.2.1 Overview 225 4.2.2.2 Variable-Slope Models 226 4.2.2.3 Composite Models 227 4.2.3 Illustration of Typical Data Fitting Results for an Ionic Conductor 233 4.2.4 Utility and Importance of Poisson–Nernst–Planck (PNP) Fitting Models 239 4.2.4.1 Introduction 239 4.2.4.2 Selective History of PNP Work 240 4.2.4.3 Exact PNP Responses at All Four Immittance Levels 243 4.3 Solid-State Devices 247William B. Johnson, Wayne L. Worrell, Gunnar A. Niklasson, Sara Malmgren, Maria Strømme, and S. K. Sundaram 247 4.3.1 Electrolyte–Insulator–Semiconductor (EIS) Sensors 248 4.3.2 Solid Electrolyte Chemical Sensors 254 4.3.3 Photoelectrochemical Solar Cells 258 4.3.4 Impedance Response of Electrochromic Materials and Devices 263 4.3.4.1 Introduction 263 4.3.4.2 Materials 265 4.3.4.3 Theoretical Background 266 4.3.4.4 Experimental Results on Single Materials 270 4.3.4.5 Experimental Results on Electrochromic Devices 280 4.3.4.6 Conclusions and Outlook 280 4.3.5 Fast Processes in Gigahertz–Terahertz Region in Disordered Materials 281 4.3.5.1 Introduction 281 4.3.5.2 Lunkenheimer–Loidl Plot and Scaling of the Processes 282 4.3.5.3 Dynamic Processes 285 4.3.5.4 Final Remarks 292 4.4 Corrosion of Materials 292Michael C. H. McKubre, Digby D. Macdonald, and George R. Engelhardt 292 4.4.1 Introduction 292 4.4.2 Fundamentals 293 4.4.3 Measurement of Corrosion Rate 293 4.4.4 Harmonic Analysis 297 4.4.5 Kramers–Kronig Transforms 303 4.4.6 Corrosion Mechanisms 306 4.4.6.1 Active Dissolution 306 4.4.6.2 Active–Passive Transition 308 4.4.6.3 The Passive State 312 4.4.7 Reaction Mechanism Analysis of Passive Metals 324 4.4.7.1 The Point Defect Model 324 4.4.7.2 Prediction of Defect Distributions 334 4.4.7.3 Optimization of the PDM on the Impedance Data 335 4.4.7.4 Sensitivity Analysis 339 4.4.7.5 Extraction of PDM Parameters from EIS Data 343 4.4.7.6 Simplified Method for Expressing the Impedance of a Stationary Barrier Layer 349 4.4.7.7 Comparison of Simplified Model with Experiment 355 4.4.7.8 Summary and Conclusions 359 4.4.8 Equivalent Circuit Analysis 360 4.4.8.1 Coatings 365 4.4.9 Other Impedance Techniques 366 4.4.9.1 Electrochemical Hydrodynamic Impedance (EHI) 366 4.4.9.2 Fracture Transfer Function (FTF) 368 4.4.9.3 Electrochemical Mechanical Impedance 370 4.5 Electrochemical Power Sources 373Evgenij Barsoukov, Brian E. Conway, Wendy G. Pell, and Norbert Wagner 373 4.5.1 Special Aspects of Impedance Modeling of Power Sources 373 4.5.1.1 Intrinsic Relation between Impedance Properties and Power Source Performance 373 4.5.1.2 Linear Time-Domain Modeling Based on Impedance Models: Laplace Transform 374 4.5.1.3 Expressing Electrochemical Model Parameters in Electrical Terms, Limiting Resistances, and Capacitances of Distributed Elements 376 4.5.1.4 Discretization of Distributed Elements, Augmenting Equivalent Circuits 379 4.5.1.5 Nonlinear Time-Domain Modeling of Power Sources Based on Impedance Models 381 4.5.1.6 Special Kinds of Impedance Measurement Possible with Power Sources: Passive Load Excitation and Load Interrupt 384 4.5.2 Batteries 386 4.5.2.1 Generic Approach to Battery Impedance Modeling 386 4.5.2.2 Lead–Acid Batteries 396 4.5.2.3 Nickel–Cadmium Batteries 398 4.5.2.4 Nickel–Metal Hydride Batteries 399 4.5.2.5 Li-ion Batteries 400 4.5.3 Nonideal Behavior Developed in Porous Electrode Supercapacitors 406 4.5.3.1 Introduction 406 4.5.3.2 Equivalent Circuits and Representation of Electrochemical Capacitor Behavior 409 4.5.3.3 Impedance and Voltammetry Behavior of Brush Electrode Models of Porous Electrodes 417 4.5.3.4 Deviations from Ideality 421 4.5.4 Fuel Cells 424 4.5.4.1 Introduction 424 4.5.4.2 Alkaline Fuel Cells (AFCs) 437 4.5.4.3 Polymer Electrolyte Fuel Cells (PEFCs) 443 4.5.4.4 The Solid Oxide Fuel Cells (SOFCs) 454 4.6 Dielectric Relaxation Spectroscopy 459C. M. Roland 459 4.6.1 Introduction 459 4.6.2 Dielectric Relaxation 460 4.6.2.1 Ion Conductivity 462 4.6.2.2 Dielectric Modulus 467 4.6.2.3 Use of Impedance Function in Dielectric Relaxation Experiments 467 4.6.2.4 Summary 472 4.7 Electrical Structure of Biological Cells and Tissues: Impedance Spectroscopy, Stereology, and Singular Perturbation Theory 472Robert S. Eisenberg 472 4.7.1 Impedance Spectroscopy of Biological Structures Is a Platform Resting on Four Pillars 474 4.7.1.1 Anatomical Measurements 474 4.7.1.2 Impedance Measurements 475 4.7.1.3 Measurement Difficulties 476 4.7.1.4 Future Measurements 476 4.7.1.5 Interpreting Impedance Spectroscopy 477 4.7.1.6 Fitting Data 477 4.7.1.7 Results 477 4.7.1.8 Future Perspectives 478Acronym and Model Definitions 479References 481 Index 517

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Book SynopsisApproximately twenty years ago the Sensory Evaluation Division of the Institute of Food Technologists sponsored the preparation of a set of exercises titled “Guidelines for Laboratory Exercises for a Course in Sensory Evaluation of Foods,” edited by one of the co-authors (Heymann).Table of ContentsSection A. Introductory Material and General Instructions.- 1. Introduction for Students.- 2. Introduction for Instructors and Teaching Assistants.- Section B. Eleven Laboratory Exercises in Sensory Evaluation.- 3. Screening panelists using simple sensory tests.- 4. Comparison of discrimination test methods.- 5. Forced choice thresholds using an ascending method of limits.- 6. Signal Detection Theory and the Effect of Criterion on Response.- 7. Sweetness of fructose and sucrose determined by different scaling methods.- 8. Time-intensity scaling.- 9. Flavor Profile Method.- 10. Introduction to Descriptive Analysis.- 11. Use of Reference Standard in Panel Training.- 12. Acceptance and Preference Testing.- 13. Optimization by ad libitum Mixing and the Just-About-Right Scale.- Section C: Brief Exercises and Group Projects.- 14. Group Exercise in Descriptive Analysis.- 15. Brief exercises.- Section D. Statistical Problem Sets for Sensory Evaluation.- Chapter 16: Sample Problem Sets for Statistics.- Exercise 1. Means, standard deviations, standard errors.- Exercise 2. Binomial-based statistics for discrimination tests.- Exercise 3: The t-tests.- Exercise 4. Simple Correlation.- Exercise 5. One and two-way ANOVA.- Exercise 6. Planned comparisons of means following ANOVA.- Exercise 7. Rank order tests.- Appendix. Sample data sets and open tables for calculations.

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Book SynopsisBasic Explanation for Collisions in Mass Spectrometry.- Super-excited States of Molecules.- Fundamental Aspects of Photoionization of Molecules.- Chemical Reaction by Core Electron Excitation.- Ion Mobility Spectrometry.- Gas Phase Ion Molecule Reactions.- Fundamentals of Electrospray.- Secondary Ion Mass Spectrometry.- Isotope Ratio Mass Spectrometry.- Theory of Ion Fragmentation.Trade ReviewFrom the book reviews:“Fundamentals of Mass Spectrometry, edited by Kenzo Hiraoka, covers a selection of concepts, methods, and techniques relevant to mass spectrometry, approaching them mostly from a fundamental perspective. … Without hesitation, the book can be highly recommended as a primer for anyone starting or redirecting research in one of the fields covered. It provides a worthy resource for all those teaching mass spectrometry and, of course, for the practitioner intending to update basic knowledge probably gathered decades ago.” (Jürgen H. Gross, Analytical and Bioanalytical Chemistry, Vol. 406, 2014)Table of ContentsChapter 1 Basic Explanation for Collisions in Mass Spectrometry Chapter 2 Super-excited States of Molecules Chapter 3 Fundamental Aspects of Photoionization of Molecules Chapter 4 Chemical Reaction by Core Electron Excitation Chapter 5 Ion Mobility Spectrometry Chapter 6 Gas Phase Ion Molecule Reactions Chapter 7 Fundamentals of Electrospray Chapter 8 Secondary Ion Mass Spectrometry Chapter 9 Isotope Ratio Mass Spectrometry Chapter 10 Theory of Ion Fragmentation

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Book SynopsisIntroduction.-Growing Olives for Oil.-Technical Aspects.-Lipid metabolism in olive: biosynthesis of triacylglycerols and aroma components.-Genetics and Molecular Biology of Olives.- Chromatographic Methodologies: Compounds for Olive Oil Traceability Issues.-Chromatographic Methodologies: Compounds For Olive Oil Color Issues.-Chromatographic Methodologies: Compounds for Olive Oil Odor Issues.-Analytical methodologies: Phenolic compounds related to olive oil taste issues.-Infrared, Raman and fluorescence spectroscopies: Methodologies and applications.-Nuclear Magnetic Resonance: Methodologies and Applications.-Olive Oil Characterization and Traceability.-Olive Oil Oxidation.-Sensory quality: Methodologies and Applications.-Olive oil consumer research: Methods and key learnings.-Olive Oil Authentication.-Role of Lipids in Human Nutrition.-Olive Oil as a Functional Food: Nutritional and Health Benefits.-Olive Oil Refining Process.- Tables of olive oil chemical data. Table of ContentsIntroduction.- Growing Olives for Oil.- Technical Aspects.- Lipid metabolism in olive: biosynthesis of triacylglycerols and aroma components.- Genetics and Molecular Biology of Olives.- Chromatographic Methodologies: Compounds for Olive Oil Traceability Issues.- Chromatographic Methodologies: Compounds For Olive Oil Color Issues.- Chromatographic Methodologies: Compounds for Olive Oil Odor Issues.- Analytical methodologies: Phenolic compounds related to olive oil taste issues.- Infrared, Raman and fluorescence spectroscopies: Methodologies and applications.- Nuclear Magnetic Resonance: Methodologies and Applications.- Olive Oil Characterization and Traceability.- Olive Oil Oxidation.- Sensory quality: Methodologies and Applications.- Olive oil consumer research: Methods and key learnings.- Olive Oil Authentication.- Role of Lipids in Human Nutrition.- Olive Oil as a Functional Food: Nutritional and Health Benefits.- Olive Oil Refining Process.- Tables of olive oil chemical data.

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Book SynopsisIntroduction.- Coffee flavor development.- Basics of fermentation.- The main actors.- Coffee processing.- Let’s put it all together.- Sustainability & wastewater.- Some last words.

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Book SynopsisA spotlight on the economic and statistical data of the international and Italian hop sector.- Hop Botany and Physiology.- The evolution of hop breeding: Integrating molecular markers and genomic insights.- Hops cultivation and production.- Hop Diseases: Characteristics and Management.- Entomology of Hops (Pests).- Post-harvest Hop Waste Management.- Spent Hops: Utilisation, Impact, and Future Prospects.- Hop chemistry and biochemistry.- Sustainable hop extracts for food and non-food applications.- Humulus lupulus L.: pharmacological properties and medicinal use.

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Book SynopsisLamps: Learning Anatomy from Multiple Perspectives via Self-supervision.- Segment Anything for Cell Tracking.- BioVFM-21M: Benchmarking and Scaling Self-Supervised Vision Foundation Models for Biomedical Image Analysis.- From Pathology to Radiology: Evaluating the Applicability of Pathology Foundation Models.- Pathology Foundation Models are Scanner Sensitive: Benchmark and Mitigation with Contrastive ScanGen Loss.- Improved Training Sample Efficiency and Inter-Device Generalizability in Optical Coherence Tomography Fluid Segmentation via Foundation Models.- Taming Stable Diffusion for Computed Tomography Blind Super-Resolution.- RadiSimCLIP: A Radiology Vision-Language Model Pretrained on Simulated Radiologist Learning Dataset for Zero-Shot Medical Image Understanding.- Improving Medical Visual Instruction Tuning with Labeled Datasets.- DR.SIMON: Domain-wise Rewrite for Segment-Informed MedicalOversight Network.- The Data Behind the Model: Gaps and Opportunities for Foundation Models in Brain Imaging.- LGE Scar Quantification Using Foundation Models for Cardiac Disease Classification.- Beyond Broad Applications: Can Pathology Foundation Models Adapt to Hematopathology.- EndoTracker: Robustly Tracking Any Point in Endoscopic Surgical Scene.- Temporally-Constrained Video Reasoning Segmentation and Automated Benchmark Construction.- Cross-Modal Knowledge Distillation for Chest Radiographic Diagnosis via Embedding Expansion, Reconstruction, and Classification.- Random Direct Preference Optimization for Radiography Report Generation.- Test Time Adaptation of Medical Vision-Language Models.- MaskedCLIP: Bridging the Masked and CLIP Space for Semi-Supervised Medical Vision-Language Pre-training.

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Book SynopsisFrom a political, societal and scientific point of view, it is imperative to counteract global warming and overcome energy scarcity. From a scientific perspective, nanostructured materials play a crucial role in achieving these goals, e.g. in the development of energy-saving light-emitting diodes, solar cells, rechargeable batteries or gas storage technologies. However, the potential design of the structure-related properties of such nanostructured compounds requires in-depth knowledge and strict control of their crystallization processes, which can be achieved by monitoring the corresponding chemical reactions in situ. This book is aimed at undergraduate and graduate students who wish to gain an overview of the applications, synthesis, or in situ characterization of inorganic nanostructured compounds such as lanthanide-based materials, quantum dots, magnetic nanoparticles, bioceramics, battery electrodes, and metal-organic frameworks.Table of ContentsFrom the Contents: - Nanoparticles - Metal-Organic Frameworks (MOFs) - Luminescent Materials - Light-Emitting Diodes (LEDs) - Lanthanides - In-situ Characterization

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Book SynopsisThis book summarizes the application of thermal analysis tools in different research areas. Areas covered include characterization of catalytic materials, plastics and polymers, analysis of salts, minerals and oxides. The reader is provided with an overview of experimental strategy, methodology, usage of complementary thermoanalytical methods and the type of information which could be drawn depending on the research field.

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Book SynopsisThis book introduces the techniques of Instrumental Analysis with respect to fundamental basics, technical realization, key applications, major strengths, and limitations. The approach used is to highlight differences and consolidate similarities of the techniques, focusing especially on the viewpoint of the laboratory rather than on the scientific ideal or the limits of what is possible.

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Book SynopsisThe fully up-dated edition of the two-volume work covers both the theoretical foundation as well as the practical aspects. Presenting the complete insight into driving a chemical reaction provides a deep understanding for new potential technologies. Updated overview on devices and new key concepts of experimental procedures. Vol. 2: Applications.

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Book SynopsisThe fully up-dated edition of the two-volume work covers both the theoretical foundation as well as the practical aspects. A strong insight in driving a chemical reaction is crucial for a deeper understanding of new potential technologies. New procedures for warranty of safety and green principles are discussed. Vol. 1: Fundamentals.

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Book Synopsis FORENSIC CHEMISTRY FUNDAMENTALS strives to help scientists & lawyers,& students, understand how their two disciplines come together for forensic science,in the contexts of analytical chemistry & related science more generally, and thecommon law systems of Canada, USA, UK, the Commonwealth.In this book, forensics is considered more generally than as only for criminallaw; workplace health & safety, and other areas are included. And, two issues ofCanadian legal process are argued as essays in the fi nal two chapters.

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Book SynopsisNuclear chemistry represents a vital fi eld of basic and applied research. This Volume 1 Nuclear- and Radiochemistry: Introduction describes the relevant parameters of stable and unstable atomic nuclei, the various modes of radioactive transformations, the corresponding types of radiation, and fi nally the mechanisms of nuclear reactions. The 2nd edition has updated the chapters throughout with additional material. The reader is also referred to the new edition of Volume 2 Nuclear- and Radiochemistry: Modern Applications.

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Book SynopsisThis textbook introduces the elementary basics of hydrochemistry with special focus on reaction equilibria in aquatic systems and their mathematical description. Topics discussed in this textbook include: structure and properties of water, concentration measures and activities, colligative properties, basics of chemical equilibria, gas-water partitioning, acid/base reactions, precipitation/dissolution, calco-carbonic equilibrium, redox reactions, complex formation, and sorption. Examples within the text as well as problems to be solved by the reader support the acquisition of knowledge. Complete and detailed solutions to the problems are given in a separate chapter.

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Book SynopsisAnalytical Chemistry is important and applied, experimental field of science that employs different instruments, and methods for the collection, separation, identification, and quantification of various organic, inorganic, and biological molecules. This interdisciplinary branch is based not only on chemistry but also on other disciplines such as biology, physics, pharmaceutical, and many areas of technology. The book is organized into six sections and provides information pertinent to the important techniques, and methods employed in analytical chemistry. It covers the basic concepts of qualitative and quantitative analysis, spectrochemical methods of analysis, along with thermal- and electroanalytical methods. Qualitative analysis identifies analytes, while quantitative analysis determines the concentration or numerical amount of the molecules under study. This book also exposes students to the different laws of spectroscopy, and various electronic transitions that occur in the different regions of the electromagnetic spectra. The main objective of this work is to develop an understanding and make learners familiar with the basic analytical methods employed in the chemical analysis of various compounds.

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Book SynopsisDer Praxisleitfaden zur manchmal ungeliebten aber notwendigen Validierung analytischer Methoden bietet auf weniger als 300 Seiten alles, was man wissen muss: Teil A beschreibt die theoretischen und konzeptionellen Grundlagen. Teil B erklärt die ISO-konforme Durchführung einer Validierung samt einer Diskussion der häufigsten Fehlerquellen. Ein umfangreicher Anhang enthält Zusatzinformationen, Übersichten und ein Glossar der wichtigsten Fachbegriffe. Nützliche Hilfen wie Rechenbeispiele, Praxistipps, Beschreibung häufiger Fehler sowie Checklisten sind durchgehend zu finden und erleichtern das Arbeiten mit dem Buch. Unverzichtbares Grundwissen für jeden Analytiker, der ein Analysenverfahren validieren muss. Aus Rezensionen der Vorauflage: "Besonders lehrreich für den Anfänger ist die Vielzahl von praktischen Beispielen" (Die Nahrung) "Bravo, endlich ist er da, der lang ersehnte Brückenschlag von einer überwiegend statistisch-mathematischen und damit nicht immer ganz praxisnahen Betrachtung des Themas hin zu zweckdienlichen und damit auch in der täglichen Routine eines analytischen Laboratoriums gut beschreitbaren Ansätzen!" (Deutsche Lebensmittel-Rundschau)Table of Contentsvorwort Zur Zweiten Auflage v Vorwort Zur Ersten Auflage vi 1 Grundsätze der Validierung in der Analytik und im Prüfwesen 1 Stavros Kromidas und Janusz S. Morkowski 1.1 Einführung 1 1.2 Definition, Erläuterung und Kommentierung von Begriffen der Qualitätssicherung 3 1.2.1 Validierung 4 1.2.2 Verifizierung 11 1.2.3 Qualifizierung bzw. Qualifikation 11 1.2.4 Charakterisierung 13 1.2.5 Messen, Prüfen, Justieren, Kalibrieren, Eichen 14 1.3 Grundvoraussetzungen für die Validierung einer analytischen Methode 15 1.4 Die Unsicherheit der Ergebnisse von Messungen, Prüfungen und Analysen 16 1.5 Methoden zur Charakterisierung von analytischen Methoden 18 1.5.1 Die Charakterisierungsmethoden 19 1.5.1.1 Erste Charakterisierungsmethode: systematische Beurteilung der Faktoren, die das analytische Ergebnis beeinflussen können 20 1.5.1.2 Zweite Charakterisierungsmethode: Kalibrierung mit Referenznormalen/Referenzmaterialien und gleichzeitige Untersuchung der Einflussgrößen 20 1.5.1.3 Dritte Charakterisierungsmethode: Vergleich der Ergebnisse, die mit einem weiteren Verfahren ermittelt wurden 21 1.5.1.4 Vierte Charakterisierungsmethode: Vergleichsmessungen zwischen Laboratorien (Laborvergleichsversuche, Ringversuche) 23 1.5.1.5 Fünfte Charakterisierungsmethode: Geordnete Schätzung der Ergebnisunsicherheit auf der Grundlage von Wissen und Erfahrung (Ein Schätzverfahren vom Typ B) 24 1.5.1.6 Kombination der fünf Charakterisierungsmethoden 28 1.5.1.7 Weitere Methoden vom Typ B 28 1.6 Charakterisierung (Qualifizierung) von Methoden als letzter Schritt einer Validierungsprozedur 29 1.7 Freigabe von Methoden, Dokumentation 30 1.8 Schlussbemerkungen 30 2 Vor Beginn der Validierungsarbeiten: Voraussetzungen, Dokumentation, Gerätequalifizierung 33 Stavros Kromidas 2.1 Voraussetzungen 33 2.2 Dokumentation 34 2.3 Gerätequalifizierung 36 2.3.1 Das „V“-Modell 39 2.3.2 Empfehlungen für die Praxis 41 3 Die Validierungsparameter einer analytischen Methode 43 Stavros Kromidas 4 Präzision 47 Stavros Kromidas 4.1 Definitionen und Erläuterungen 47 4.2 Präzisionsarten 50 4.2.1 Wiederholpräzision, Wiederholbarkeit (früher: Wiederholgenauigkeit) 50 4.2.2 Vergleichspräzision, Vergleichbarkeit (häufig auch: Reproduzierbarkeit, selten Übertragbarkeit) 50 4.2.3 Laborpräzision oder laborinterne Vergleichspräzision 50 4.2.4 Weitere Präzisionen 50 4.3 Mess- und Methodenpräzision 52 4.4 Rechenbeispiele 52 4.4.1 Vergleich von Mittelwerten und Variationskoeffizienten 52 4.4.2 Vergleich von Messwertreihen 54 4.4.3 Vergleich von Methoden, die aus stochastisch unabhängigen Schritten bestehen 56 4.5 Angaben zur Präzision und deren Deutungsmöglichkeiten 58 4.6 Umgang mit Zahlen und Möglichkeiten zu deren Beurteilung 60 4.6.1 Ausreißertests oder Verlässlichkeitstests 61 4.6.1.1 Dixon-Test 61 4.6.1.2 Grubbs-Test 63 4.6.1.3 Henning-Test 64 4.6.1.4 Mittelwertabweichung 64 4.6.2 Trendtest nach Neumann 64 4.6.3 Ermittlung der Wiederholgrenze 65 4.6.4 F- und Cochran-Test 66 4.6.4.1 F-Test, Test auf Varianzenhomogenität 66 4.6.4.2 Cochran-Test 67 4.6.5 Zusammenfassung der Tests und abschließendes Beispiel 68 4.7 Abschließende Fragen zur Präzision 71 4.7.1 Welche Präzision kann noch akzeptiert werden? 71 4.7.1.1 Messpräzision 72 4.7.1.2 Methodenpräzision 72 4.7.2 Wie kann ich die Präzision erhöhen? 74 4.7.2.1 Was sind die Vor- und Nachteile bei großer Präzision? 75 5 Richtigkeit 77 Stavros Kromidas 5.1 Definitionen und Erläuterungen 77 5.2 Prüfung auf Richtigkeit 78 5.2.1 Vergleich mit einem (oder mehreren) Referenz- oder Arbeitsstandard(s) 78 5.2.1.1 Vergleich einer Probe unbekannten Gehaltes mit einem Standard bekannten Gehaltes auf Richtigkeit 78 5.2.1.2 Vergleich mehrerer Proben (oft 6) unterschiedlichen Gehaltes, die idealerweise den erwarteten Arbeitsbereich abdecken, mit Referenzstandardproben bekannten Gehaltes 82 5.2.2 Vergleich mit einer unabhängigen, möglichst validierten Methode bekannter Richtigkeit 84 5.2.3 Wiederfindungsexperimente nach Zusatz bekannter Menge an Analyt (Referenzsubstanz!) 86 5.2.4 Elementbilanzierung 87 5.2.5 Indirekte Überprüfung über Massenbilanzen 87 5.2.6 Plausibilitätsbetrachtung 88 5.3 Messunsicherheit, Ergebnisunsicherheit und Vertrauensbereich 88 5.4 Zusammenfassung von Tests zum Vergleich und zur Beurteilung von Zahlen und Zahlenreihen 98 5.5 Wie soll ich nun die Richtigkeit überprüfen? 99 5.5.1 Einfacher Test zum Vergleich zweier Messwertreihen 101 6 Robustheit 103 Stavros Kromidas 6.1 Definition und Erläuterungen 103 6.2 Prüfung auf Robustheit 104 6.2.1 Methodenrobustheit, Robustheit I: frühes Stadium 105 6.2.2 Verfahrensstabilität 105 6.2.2.1 Stabilität von Lösungen 105 6.2.3 Anwendbarkeit, Robustheit II 107 6.3 Zeitlicher Ablauf der Robustheitstests 109 6.4 Kommentare, Hinweise 111 6.5 Robustheit in der HPLC 111 6.5.1 Vorgehen zur Überprüfung der Robustheit in der HPLC 115 7 Selektivität und Spezifität 119 Stavros Kromidas 7.1 Definitionen und Erläuterungen 119 7.2 Grundsätzliches zur Prüfung auf Selektivität 120 7.3 Prüfung auf Selektivität von bekannten Proben in der HPLC 121 7.4 Prüfung auf Selektivität in der HPLC bei Proben unbekannter Zusammensetzung 121 7.4.1 Systematische Variation der Methodenparameter 121 7.5 Überprüfung der Selektivität in der HPLC – Schnellmethoden 129 7.5.1 Peakbreite und Retentionszeit 129 7.5.2 Asymmetriefaktor und Peakhöhe 130 7.5.3 Asymmetriefaktor und Retentionszeit 132 7.5.4 Ableitungschromatographie 133 7.6 Zusammenfassung 134 8 Linearität 137 Stavros Kromidas 8.1 Einleitung und Definitionen 137 8.1.1 Wozu braucht man eigentlich eine Kalibrierung? 137 8.1.2 Über Linearität und „Mathematik“ 137 8.2 Durchführung der Linearitätstests 139 8.2.1 Grundsätzliches 139 8.2.1.1 Konzentrationsbereich für den Linearitätstest 141 8.2.1.2 Arbeitsbereich der Kalibriergeraden 141 8.2.2 Prüfung auf Linearität 142 8.2.3 Beurteilung der Ergebnisse 147 8.2.3.1 Wann ist nun das Prognoseintervall klein? 148 8.2.4 Welche Methodenkenndaten/Informationen können aus einer linearen Kalibrierfunktion gewonnen werden? 151 8.2.4.1 Arbeitsbereich 151 8.2.4.2 Reststandardabweichung 154 8.2.4.3 Verfahrensvariationskoeffizient 156 8.2.5 Fließschema zur Kalibrierung und zur Ermittlung der Linearität 163 8.2.6 Beispiel zur Prüfung auf Linearität [40] 168 8.2.6.1 Prüfung auf Varianzenhomogenität 168 8.2.6.2 Ermittlung der Kalibrierfunktion 170 8.2.6.3 Kalibrierstrategien 175 8.2.6.4 Ermittlung der unbekannten Konzentration 177 8.2.6.5 Ausreißertest nach Huber 177 8.2.6.6 Ergebnis der Bestimmung 177 8.2.7 Eine kritische Betrachtung der Kriterien für Linearität 179 8.2.8 Gewichtete Lineare Regression 183 8.2.8.1 Anwendung 184 8.2.8.2 Varianzquotientenwichtung 184 8.2.8.3 Praxis 185 9 Wiederfindung oder Wiederfindungsrate 189 Stavros Kromidas 9.1 Definitionen und Erläuterungen 189 9.2 Ermittlung der Wiederfindungsrate 189 9.2.1 Analyse von zertifizierten Referenzmaterialien 189 9.2.2 Zudosierungs- oder Aufstockungsexperimente („spiken“ einer Probe) 190 9.2.3 Indirekt über die Richtigkeit 191 9.2.4 Massenbilanzierung 191 9.3 Praktische Hinweise und Bemerkungen 191 10 Nachweis-, Bestimmungs- und Erfassungsgrenze 193 Stavros Kromidas 10.1 Definitionen und Erläuterungen 193 10.2 Ermittlung der Nachweis-, Bestimmungs- und Erfassungsgrenze 195 10.3 Kommentare und Hinweise 197 10.3.1 Leerwert- und Kalibriermethode 197 10.3.2 Peak/Rausch-Verhältnis 197 10.4 Abschlussbemerkungen und Empfehlungen 198 11 Arbeitsbereich 201 Stavros Kromidas 11.1 Prozess- und Methodenfähigkeit 202 11.1.1 Definitionen und Erläuterungen 202 11.2 Beispiele 203 11.3 Akzeptanzkriterien, Bewertung von Prozessen und Methoden 206 11.4 Maßnahmen bei unzureichender Methodenfähigkeit – zu kleine c MK ’s 211 12 Häufige Fragen zur Validierung 213 Stavros Kromidas 12.1 Ermittlung der interessantesten Fragen 213 12.2 Antworten auf die sieben wichtigsten Fragenkomplexe 214 12.2.1 „Was ist der Mindestumfang einer Validierung?“ 214 12.2.2 „Was ist eigentlich Präzision …?“ 217 12.2.3 Die Zeitknappheit 223 12.2.4 Behördliche/rechtliche Anforderungen 223 12.2.5 Hilfen, Infos 225 12.2.6 Validierungsumfang als Funktion von Methode, Ziel 227 12.2.7 Sonstiges 228 12.3 Häufige Fehler bei der Validierung analytischer Methoden 229 12.3.1 Allgemeine Fehler und Interpretationsfehler 229 12.3.2 Fehler im Zusammenhang mit der praktischen Durchführung der Validierung 236 12.3.2.1 Präzision 236 12.3.2.2 Richtigkeit 237 12.3.2.3 Robustheit 238 12.3.2.4 Systemeignungstest 238 12.3.2.5 Linearität 239 12.3.2.6 Nachweis- und Bestimmungsgrenze 240 12.3.2.7 Selektivität 240 13 Trends in der Validierung 245 Michael Haustein und Manfred Neupert 13.1 Einleitung 245 13.2 Bewertung von Validierungsdaten – statistische Tests vs. Akzeptanzgrenzen 245 13.3 Risikomanagement in der Analytik 247 13.4 Messunsicherheit im Qualitätskontrolllabor – Abschätzung aus Validierungsdaten 250 13.4.1 Zufällige Abweichungen 251 13.4.2 Systematische Abweichungen 252 13.4.3 Kombinierte Messunsicherheit 253 13.4.4 Erweiterte Messunsicherheit 254 13.5 Computer Aided Validation (CAV) – Automatisierungstrend in der Validierung 254 A1 Abkürzungen (Auswahl) 257 A2 Standardarbeitsanweisung SOP 1–18: Validierung und Ergebnisunsicherheit von Prüfverfahren 261 Roman Klinkner A2.1 Zweck 261 A.2.2 Geltungsbereich 261 A2.3 Begriffe/Abkürzungen 261 A2.4 Befugnisse und Verantwortlichkeiten 263 A2.5 Beschreibung 263 A2.5.1 Grundprinzip der Validierung 263 A2.5.2 Validierungsplanung 264 A2.5.2.1 Festlegung der Vorgaben 264 A2.5.2.2 Festlegung des Validierungsumfangs 264 A2.5.3 Validierungsdurchführung 266 A2.5.3.1 Ergebnisunsicherheit 266 A2.5.3.2 Wiederholpräzision 267 A2.5.3.3 Vergleichspräzision 267 A2.5.3.4 Qualitätsregelkarte (Kontrollkarte) 268 A2.2.3.5 Ringversuche 268 A2.5.3.6 Arbeitsbereich 268 A2.5.3.7 Linearität 269 A2.5.3.8 Wiederfindung 269 A2.5.3.9 Nachweisgrenze 270 A2.5.3.10 Bestimmungsgrenze 270 A2.5.3.11 Verfahrenskenndaten bei Kalibrierverfahren 270 A2.5.3.12 Robustheit 270 A2.5.3.13 Spezifität 272 A2.5.4 Validierungsbericht 272 A2.6 Dokumentation 273 A2.7 Hinweise und Anmerkungen 273 A2.7.1 Mitgeltende Unterlagen 273 A2.7.2 Anmerkungen 273 A2.8 Anlagen 273 A3 Definitionen und Erläuterungen von Begriffen aus den Bereichen „Validierung“ und „Qualitätssicherung“ 275 A4 Englische Übersetzung einiger wichtiger Begriffe zum Komplex „Validierung“ (Auswahl) 317 A5 Register der Rechenbeispiele 319 A6 Statistische Tabellen 321 A7 Literatur 331 A8 Sachregister 335

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Book SynopsisFor more than two decades, this work has remained the leading advanced textbook and easy-to-use reference on food chemistry and technology. Its fourth edition has been extensively re-written and enlarged, now also covering topics such as BSE detection or acrylamide. Food allergies, alcoholic drinks, or phystosterols are now treated more extensively. Proven features of the prior editions are maintained: Contains more than 600 tables, almost 500 figures, and about 1100 structural formulae of food components - Logically organized according to food constituents and commodities - Comprehensive subject index. These features provide students and researchers in food science, food technology, agricultural chemistry and nutrition with in-depth insight into food chemistry and technology. They also make the book a valuable on-the-job reference for chemists, food chemists, food technologists, engineers, biochemists, nutritionists, and analytical chemists in food and agricultural research, food industry, nutrition, food control, and service laboratories. From reviews of the first edition "Few books on food chemistry treat the subject as exhaustively…researchers will find it to be a useful source of information. It is easy to read and the material is systematically presented." JACSTrade ReviewFrom the reviews of the third edition:“Food Chemistry does an excellent job of explaining the chemistry of food constituents as well as finished food products. … The book was written by food chemistry professors and is organized in the same way they teach their course. … All people can relate to food and it provides an excellent medium to present basic chemical principles. The wealth of knowledge in the book makes it a good reference book for anyone working in the field of food science.” (Sara J. Risch, Journal of Chemical Education, Vol. 89, 2012)"Has been extensively re-written and a number of new topics … have been introduced or completely revised. … This well-known and worldwide accepted advanced text and reference book is logically organised according to food constituents and commodities. It provides … up-to-date information. The extensive use of tables for easy reference, the wealth of information given, and the comprehensive subject index support the advanced student into getting in-depth insight into food chemistry and technology … ." (Food Trade Review, Vol. (74), June, 2004)"This world-wide well-known and classical reference book in the field of Food Chemistry has been extensively re-written. … logically organized according to the food constituents and commodities. It provides … up-to-date information in food chemistry. The extensive use of tables and the comprehensive subject index enables the advanced students to get an in-depth insight into both food chemistry and technology. But also for English-speaking professionals in these scientific fields … this up-to-date version is indispendable (sic) and, therefore, warmly recommended" (Advances in Food Sciences, Vol. 26(4), 2004)Table of ContentsWater.- Amino Acids, Peptides, Proteins.- Enzymes.- Lipids.- Carbohydrates.- Aroma Compounds.- Vitamins.- Minerals.- Food Additives.- Food Contamination.- Milk and Dairy Products.- Eggs.- Meat.- Fish, Whales, Crustaceans, Mollusks.- Edible Fats and Oils.- Cereals and Cereal Products.- Legumes.- Vegetables and Vegetable Products.- Fruits and Fruit Products.- Sugars, Sugar Alcohols and Honey.- Alcoholic Beverages.- Coffee, Tea, Cocoa.- Spices, Salt and Vinegar.- Drinking Water, Mineral and Table Water.

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Book SynopsisThe quantity and composition of aroma and avour compounds in foods and food products exert a marked in uence on the consumer acceptance and, consequently, on the commercial value of the products. It has been established many times that one of the main properties employed for the evaluation of the product quality is the avour, that is, an adequate avour composition considerably enhances the m- ketability. Traditional analytical methods are generally unsuitable for the accurate determination of the quantity of this class of compounds. Moreover, they do not contain any useful information on the concentration of the individual substances and they are not suitable for their identi cation. As the stability of the aroma compounds and fragrances against hydrolysis, oxidation and other environmental and tech- logical conditions shows marked differences, the exact determination of the avour composition of a food or food product may help for the prediction of the she- life of products and the assessment of the in uence of technological steps on the aroma compounds resulting in more consumer-friendly processing methods. Furthermore, the qualitative determination and identi cation of these substances may contribute to the establishment of the provenance of the product facilitating the authenticity test. Because of the considerable commercial importance of avour composition, much effort has been devoted to the development of methods suitable for the separation and quantitative determination of avour compounds and f- grancesinfoodsandinotherindustrialproducts.Trade ReviewFrom the reviews:“It explains how aroma compounds and fragrances are analyzed with chromatography. Designed to help scientists decide on the appropriate method, it compares the various choices and offers extensive data tables.” (American Herb Association Quarterly, Vol. 25 (4), 2011)“If you are in the field of smells and taints, both pleasant and unpleasant, and have not the time or inclination to search the literature then this would be a useful book to have as a reference.” (Edward R. Adlard, Chromatographia, Vol. 73, 2011)Table of ContentsChromatography of Aroma Substances and Fragrances.- Food and Food Products.- Essential Oils.- Biological Effect.- Environmental Pollution.

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Book SynopsisJohn Fetzer’s "Career Management for Chemists" provides ample, common-sense guidance on the key topics such as: Resumés and CVs, Staying Driven & Current, Personal Skills & Traits Networking, Teamwork & Leadership, Speaking & Listening Writing Research Papers, Mentoring, Behavior & Rewards The practical coverage reflects not only his long professional experience but also his insight that, especially in today’s changing workplace, expectations and strategies for career management require constant re-evaluation. Provides real, common-sense, and proven means to enrich and make more rewarding a technical career. Pre-publication comments from colleagues - "Not only the student who is taking his first steps in the scientific world would profit abundantly by mining this book for views and ideas on the different sides of his chosen career. Also the seasoned scientist will be stimulated to scrutinize his own habits and pick up new thoughts, thereby becoming a more skilled instructor of his younger colleagues." J. Andersson, University of Münster, Germany "As one of the international collaborators of Dr. John Fetzer, I want to warmly congratulate him. His efforts nicely summarize very important topics for all who work in scientific activities. But, at the same time, Career Management for Chemists also provides some real insights for many people who are not working in science. This is a nice guidebook on how to enrich our lives and help us to become more successful!! K. Jinno, Toyohashi University of Technology Trade ReviewFrom the reviews: This book has an incredibly broad scope and looks at both technical and non-technical areas, from keeping research records to dealing with difficult people. It is steeped in chemical terminology and anecdotes based on situations common to chemists, and so brings something fresh to the area. Fetzer himself stresses in the introduction that everyone works for themselves and that you can’t rely on anyone else to control or shape your career. Having established this essential truth, Fetzer shares his many years of experience in a style that is reassuring and supportive. Although more experienced chemists may find many of his points veer towards the ‘obvious’, younger scientists will find his insights on aspects such as conferences, collaboration and publishing invaluable in helping them understand how to be effective and have impact in the scientific community. For me, the book’s real strength lies in these sections, with it acting as a virtual mentor, sharing experiences and advice. The scope of the book is such that the individual topics can only be covered briefly, but as an experienced columnist, Fetzer captures the key points, which for most readers is all that is required. For example, scientists who are keen to develop their careers towards a management role will find the sections on dealing with others and working in and leading teams offer a practical summary of many management theories. The comprehensive bibliography points those interested to further information. ...The advice offered is universal and relevant to chemistry careers in the UK and internationally. I feel this book will have most value to chemists at the start of their careers as it distils many years on experience into straightforward tips on being an effective scientist. However, anyone seeking guidance or support for their professional life will find much of value in Fetzer’s encouraging and constructive book. Sara Shinton, Chemistry World, Vol. 1, No. 12, December 2004 "Career Management for Chemists provides ample, common-sense guidance on the key topics such as resumes and CVs, staying driven and current, personal skills and traits networking, teamwork and leadership, speaking and listening, writing research papers, behavior and rewards. … reflects not only his long professional experience but also his insight that, especially in today’s changing workplace, expectations and strategies for career management require constant reevaluation." (cpp 2005, Issue no. 2, 2005) "A useful handbook for chemists at all levels and at all career stages. … Not only are the chosen topics thought-provoking … but consideration of such would be advantageous for any scientist to keep in mind while journeying through the years of a career. … None of the career management books offers the combination of topics that Fetzer does, with the emphasis on one’s career as a journey … . would be useful for recent graduates … ." (Mary B. Satterfield, Analytical and Bioanalytical Chemistry, March, 2005) "John Feltzer believes that to be a good scientist one needs more than just good technical knowledge and research skills. … He explains how to achieve in technical area by keeping on learning; being part of a scientific community; writing and reviewing for journals; diversifying etc." (Book News on the Internet, January, 2005) "This is generally an almost exclusive view of the USA experience of science employment. … Finding mentors (or being a mentor), how to deal with negative situations, learning not to fight a battle under your opponent’s rules, how to avoid having one’s ethics compromised by others, moving from "pure" science into management, are topics all covered in various chapters. … A thorough reading, followed by regular re-reads as one’s career develops, will almost certainly significantly enhance almost anyone’s career pattern." (K. Jones, Chromatographia, Vol. 61(1-2), 2005) "This book has an incredibly broad scope and looks at both technical and non-technical areas, from keeping research records to dealing with difficult people. It is steeped in chemical terminology and anecdotes based on situations common to chemists … . will have most value to chemists at the start of their careers … . anyone seeking guidance or support for their professional life will find much of value in Fetzer’s encouraging and constructive book." (Sara Shinton, Chemistry World, Vol. 1(12), December, 2004) "In a truly scientific way, Fetzer begins by exploring the technical requirements for a specialist scientific career. … Fetzer clearly identifies … issues, such as communication … resume and interview preparation, skills assessment, teamwork and leadership. … In clear text he leads the reader through each aspect, providing pertinent examples, many from his own experiences. … The book is most readable and will provide useful guidance for all chemists … ." (Alan French, Chemistry in Australia, November, 2004) "John Fetzer’s … provides ample, common-sense guidance on the key topics such as: Resumes and CVs, Personal Skills & Traits Networking, Teamwork & Leadership, Speaking & Listening, Writing Research Papers, Mentoring, Behavior & Rewards. … reflects not only his long professional experience but also his insight that, especially in today’s changing workplace, expectations and strategies for career management require constant re-evaluation." (PROCESS Chemical and Pharmaceutical Engineering, Vol. 7(3), 2004) Table of ContentsAcknowledgements 1 Introduction – The career as a long trip 2 Technical Areas 2.1 Accepting Failure to Create Innovation in Experimentation 2.2 Keeping current – always learning 2.3 Specialist or Generalist? 2.4 Being a Part of the Scientific Community 2.4.1 General Remarks 2.4.2 Societies – Is it advantageous to belong to professional societies 2.4.3 Being Involved in Societies 2.4.4 Conferences – Is it advantageous to attend and present at conferences? 2.4.5 Journals and other Publications – Is it advantageous to publish papers? 2.4.6 Reviewing for Journals 2.4.7 Advisory Boards and Editorships 2.5 Thinking – Curiosity and Wonder 2.6 Thinking – Scepticism 2.7 Diversifying 2.8 Parochial science – Possessiveness and Boundaries 2.9 The Tools (Part 1) – Tools and mechanics of research: Putting together your toolbox 2.10 The Tools (Part 2) – Handy tools, but not always needed 3 Non-technical Areas 3.1 Communicating 3.1.1 The general common points 3.1.2 Eloquence – Speaking Easily the First time 3.1.3 Writing a paper – The basic mechanics help 3.1.5 Listening 3.2 Networking – Becoming an integral part of your field 3.3 Collaborative Research 3.4 Diversity in Science – Being open minded 2.5 Using a mentor – Help Wanted: Sage and Wise Chemists to help guide 3.6 Being a mentor 3.7 Behaviours 3.7.1 Personalities and Styles in Dealing with Others 3.7.2 Dealing with Those on the Dark Side – difficult and worse people 3.7.3 Ethics – The Right Things to Do 3.8 Teams, Teamwork and Leadership 3.9 Balancing professional and private time 4 Career Changes 4.1 The Rewards or working in industry – Starting and choosing a direction from graduate school to an industrial career 4.2 Industry versus academia – The Merits of an Industrial Career in Contacts to one in Academia 4.3 Resume and curriculum vita – Getting the messageacross 4.4 The grass is greener – A Comparison Between Workplaces 4.5 Changing hats – supervising and managing 4.6 Personal skills and assessments 4.7 Degree of difficulty – non-advanced degree chemists 4.8 Pursuit of Non-traditional Careers in Chemistry 5 Bibliography

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Table of Contents1 Einleitung.- 2 Grundlagen der Kapillarelektrophorese.- 3 Theoretische Grundlagen und ihr Einfluß auf das analytische Ergebnis.- 3.1 Elektrophoretische Wanderung.- 3.2 Leitfähigkeit.- 3.3 Elektroosmotischer Fluß.- 3.4 Bandenverbreiterung.- 3.4.1 Effizienzverluste durch Diffusion.- 3.4.2 Effizienzverluste durch Temperatureffekte.- 3.4.3 Effizienzverluste durch Elektrodispersion.- 3.4.4 Effizienzverluste durch Wandadsorption.- 3.4.5 Effizienzverluste durch Überladung des Trennsystems.- 3.4.6 Effizienzverluste durch Überlagerung von Strömungsprofilen.- 3.4.7 Zusammenfassung.- 4 Apparatur.- 4.1 Spannungsquelle.- 4.2 Kapillaren.- 4.3 Probenaufgabe.- 4.3.1 Druck-Injektion.- 4.3.2 Hydrostatische Injektion.- 4.3.3 Elektrokinetische Injektion.- 4.3.4 Probensplitsysteme.- 4.3.5 Anreicherungseffekte bei der Probenaufgabe (Sample Stacking).- 4.4 Thermostatisierung.- 4.5 Detektion.- 4.5.1 UV-Detektion.- 4.5.2 Fluoreszenzdetektion.- 4.5.3 Weitere Detektionsmethoden.- 4.6 Spezielle Probleme der quantitativen Analyse in der CE.- 5 Kapillarzonenelektrophorese (CZE).- 5.1 Grundlagen der Optimierung in der CZE.- 5.1.1 Einfluß des pH-Wertes.- 5.1.2 Einfluß der Pufferkonzentration.- 5.1.3 Auswahl des Puffers.- 5.1.4 Anwendungen.- 5.2 Indirekte Detektionsmethoden in der CE.- 5.2.1 Grundlagen indirekter Detektionstechniken.- 5.2.2 Trennung von Kationen mit indirekter UV-Detektion.- 5.2.3 Trennung von Anionen mit indirekter UV-Detektion.- 5.2.4 Analyse von Kationen und Anionen mit indirekter Fluoreszenzdetektion.- 5.3 Kapillarzonenelektrophorese von Proteinen.- 5.3.1 Trennungen in unbeschichteten Kapillaren.- 5.3.1.1 Auswahl des pH-Wertes.- 5.3.1.2 Zugabe von Salzen zum Puffer.- 5.3.1.3 Verwendung von Pufferzusätzen zur Trennung von Proteinen.- 5.3.1.4 Dynamische Belegung von Kapillaren.- 5.3.2 Proteintrennungen mit oberflächenmodifizierten Kapillaren.- 5.3.2.1 Beschichtungen für die Kapillarelektrophorese.- 5.3.3 Überblick über wichtige chemische Beschichtungen für die Proteintrennung.- 5.3.3.1 Konventionelle Beschichtungen.- 5.3.3.2 Polymere Beschichtungen.- 5.3.4 Zusammenfassung.- 6 Micellare Elektrokinetische Chromatographie (MEKC).- 7 Trennung von Enantiomeren in der CE.- 7.1 Enantiomerentrennungen mit Hilfe von Cyclodextrinen als chirale Selektoren.- 7.1.1 Neutrale Cyclodextrine.- 7.1.2 Ionische Cyclodextrine.- 7.2 Andere Trennsysteme.- 8 Kapillar-Gelelektrophorese (CGE).- 8.1 Gele auf Acrylamid-Basis.- 8.1.1 Herstellung und Handhabung gelgefüllter Kapillaren.- 8.1.2 Quervernetzte Polyacrylamidgele.- 8.1.3 Lineare Polyacrylamidgele (LPA).- 8.1.3.1 Trennung von DNA-Fragmenten mit LPA.- 8.1.3.2 SDS PAGE (Polyacrylamid-Gelelektrophorese) von Proteinen.- 8.2 Gele auf Polysaccharidbasis und anderen Polymeren.- 8.3 Migrationsmodelle von Biopolymeren in Polymerlösungen.- 9 Isoelektrische Fokussierung in Kapillaren (CIEF).- 10 Andere Trenntechniken in der CE.- 10.1 Isotachophorese (ITP).- 10.2 Elektrochromatographie (EC).- 11 Anleitung zur Fehlersuche in der CE.- 11.1 Bestimmung der Fehlerursache.- Test 1: Aufnahme einer Durchbruchskurve unter Spüldruck.- Test 2: Aufnahme einer Durchbruchskurve mit Injektionsdruck.- Test 3: Überprüfung der Spannungsquelle.- 11.2 Störfallszenarien: „Was tun, wenn…“.- 12 Literaturverzeichnis.- 12.1 Zitierte Literatur.- 12.2 Weiterführende Literatur.- 12.3 Bezugsquellenverzeichnis.- 13 Danksagung.- Sachwortverzeichnis.

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Table of ContentsInhaltsübersicht.- 1 Historische Entwicklung chemischer Sensoren.- 2 Definition und Kennzeichnung chemischer Sensoren.- 2.1 Definitionen.- 2.2 Aufnehmer.- 2.3 Chemische Parameter.- 2.4 Kennzeichnung chemischer Sensoren.- 2.4.1 Meßbereiche.- 2.4.2 Selektivität.- 2.4.3 Drift der Sensorsignale.- 2.4.4 Ansprechzeiten.- 2.4.5 Fehlerangaben und Fehlerursachen.- 2.4.6 Betriebsbedingungen.- 2.4.7 Lebensdauerbetrachtungen.- 3 Konzentrationsangaben.- 4 Technologien zur Fertigung chemischer Sensoren.- 5 Elektrochemische Sensoren.- 5.1 Einleitung.- 5.2 Konduktometrie.- 5.2.1 Grundlagen der Konduktometrie.- 5.2.2 Begriffe und Definitionen.- 5.2.3 Konduktometrische Sensoren.- 5.3 Potentiometrie.- 5.3.1 Grundlagen der Potentiometrie.- 5.3.2 Begriffe und Definitionen.- 5.3.3 Potentiometrische Sensoren.- 5.3.4 Sensoren für die Direkt-Potentiometrie.- 5.3.5 Bezugselektroden.- 5.3.6 pH-Meter und Ionen-Meter.- 5.4 CHEMFETs.- 5.4.1 Einleitung.- 5.4.2 Methodische Grundlagen.- 5.4.3 CHEMFET-Fertigung und -Bauformen.- 5.4.4 ISFET-Eigenschaften.- 5.4.5 Ausblick.- 5.5 Amperometrie.- 5.5.1 Begriffe und Definitionen.- 5.5.2 Grundlagen der Amperometrie.- 5.5.3 Amperometrische Sensoren.- 6 Festkörper-Gassensoren.- 6.1 Einleitung.- 6.2 Halbleiter-Gassensoren.- 6.2.1 Der Begriff des Halbleiters.- 6.2.2 Meßtechnische Grundlagen.- 6.2.3 Sensoren mit Oberflächenleitfähigkeit.- 6.2.4 Sensoren mit Volumenleitfähigkeit.- 6.3 Ionenleitende Gassensoren.- 6.3.1 Der Begriff des Festelektrolyten.- 6.3.2 Aufbau und Funktion von Sauerstoffsensoren.- 6.3.3 Weitere ionenleitende Sensoren.- 6.4 Thermokatalytische Sensoren.- 6.4.1 Methodische Grundlagen und Bauformen.- 6.4.2 Sensormerkmale und Einsatzgebiete.- 7 Faseroptische Sensoren.- 7.1 Glasfasern zur Signalübertragung.- 7.2 Glasfaser-Refraktometer.- 7.3 Kolorimetrische faseroptische Sensoren.- 7.4 Fluorometrische faseroptische Sensoren.- 7.5 Bewertung faseroptischer Sensoren.- 8 Ionisations-Sensoren.- 8.1 Einleitung.- 8.2 Flammenionisations-Sensoren (FID).- 8.3 Photoionisations-Sensoren (PID).- 8.4 Bewertung von Ionisations-Sensoren.- 9 Piezoelektrische Gassensoren.- 9.1 Einleitung.- 9.2 Chemische Sensitivierungen.- 9.3 Bewertung von piezoelektrischen Sensoren.- 10 Sonstige chemische Sensoren.- 10.1 Einleitung.- 10.2 Gasanalysen durch Mesung der Wärmeleitfähigkeit.- 10.2.1 Methodische Grundlagen.- 10.2.2 Anwendungen.- 10.3 Paramagnetische Sauerstoffmessung.- 10.3.1 Methodische Grundlagen.- 10.3.2 Anwendungen.- 10.4 Dichtemessung von Lösungen.- 10.4.1 Methodische Grundlagen.- 10.4.2 Anwendungen.- 10.5 Messung der Schallgeschwindigkeit von Lösungen.- 10.5.1 Methodische Grundlagen.- 10.5.2 Anwendungen.- 10.6 Spektralphotometrische Methoden.- 10.6.1 Einleitung.- 10.6.2 Methodische Grundlagen.- 10.6.3 Geräte und Anwendungen.- Sachwortverzeichnis.- 1: Sensortechnik.- 2: Anwendung von Sensoren.

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Table of ContentsA.- B.- C.- D.- E.- F.- G.- H.- I.- J.- K.- L.- M.- N.- O.- P.- R.- S.- T.- U.- V.- X.- Z.

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Book SynopsisIt is a truism of science that the more fundamental the subject, the more universally applicable it is. Nevertheless, it is important to strike a level of “fundamentalness” appropriate to the task in hand. For -depth study of the mechanics of motor cars would tell one example, an in nothing about the dynamics of traffic. Traffic exists on a different “level” - it is dependent upon the existence of motor vehicles but the physics and mathematics of traffic can be adequately addressed by considering motor vehicles as mobile “blobs”,with no consideration of how they become mobile. To start a discourse on traffic with a consideration of the mechanics of motor vehicles would thus be inappropropriate. In writing this volume, I have wrestled with the question of the appropriate level at which to address the physics underlying many of the techniques used in protein isolation. I have tried to strike a level as would be used by a mechanic (with perhaps a slight leaning towards an engineer) - i.e. a practical level, offering appropriate insight but with minimal mathematics. Some people involved in biochemical research have a minimal grounding in chemistry and physics and so I have tried to keep it as simple as possible.Table of ContentsAcknowledgements. Preface. 1. An overview of protein isolation. 2. Assay, extraction and sub-cellular fractionation. 3. Concentration of the extract. 4. Chromatography. 5. Electrophoresis. 6. Immunological methods. Index.

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Book Synopsis1. An overview of sample collection and standard necropsy procedures for fish.- 2. Biosafety, Sterilization, and Disinfection Protocols.- 3. Common Staining Techniques in Laboratories.- 4. In vitro Susceptibility Assays for Bacterial Response to Antimicrobial Agents.- 5. Quality Assurance in Laboratory Practices and Equipment Maintenance: Ensuring Precision, Reliability, and Compliance.- 6. Methodological Approaches to Assess Innate Immune Responses of Fish.- 7. Fundamentals of innate immune system of shrimp.- 8. Disease in shrimp aquaculture: diagnostic technique for sustainable management.- 9. Fish Disease Diagnosis Methods: Assessment and Possible Applications.- 10. Genomic Approaches to Validate the Pathogenicity of Bacterial Fish Pathogens.- 11. Diagnostic techniques for fish Fungal Diseases.- 12. Disease Diagnosis and Control in Marine Fish Aquaculture.- 13. Molecular Techniques in Diagnosis of Fish Parasitic Infection.- 14. Hematological Techniques for Diagnosis of Fish Diseases.- 15. The Challenges of PCR Amplification in Disease Diagnosis.- 16. Histological Techniques in Fish Disease Diagnosis.- 17. Sensing Techniques for Microbial Pathogens.- 18. Hormonal regulation and disorder during fish disease.- 19. Applications of Monoclonal Antibodies for Detection of Fish Pathogens.- 20. Nanotherapeutics: An Approach for Fish Disease Treatment.- 21. Detection and Quantification of Tilapia Lake Virus (TiLV) and Tilapia Parvovirus (TiPV) by Real-Time PCR.- 22. Role of Artificial Intelligence in Fish Disease Modeling and   Prognosis.- 23. Introduction to Microplastics: A Global Perspective of an Alarming Contaminant in the Aquatic Ecosystem.- 24. Emerging Challenges of Extended-Spectrum ß-Lactamase Producing Pathogen: Laboratory Strategies for Detection.- 25. eDNA Approaches for Ecosystem Health Monitoring: Focus on Pathogens, Vectors, and Microbial Assessment.1. An overview of sample collection and standard necropsy procedures for fish.- 2. Biosafety, Sterilization, and Disinfection Protocols.- 3. Common Staining Techniques in Laboratories.- 4. In vitro Susceptibility Assays for Bacterial Response to Antimicrobial Agents.- 5. Quality Assurance in Laboratory Practices and Equipment Maintenance: Ensuring Precision, Reliability, and Compliance.- 6. Methodological Approaches to Assess Innate Immune Responses of Fish.- 7. Fundamentals of innate immune system of shrimp.- 8. Disease in shrimp aquaculture: diagnostic technique for sustainable management.- 9. Fish Disease Diagnosis Methods: Assessment and Possible Applications.- 10. Genomic Approaches to Validate the Pathogenicity of Bacterial Fish Pathogens.- 11. Diagnostic techniques for fish Fungal Diseases.- 12. Disease Diagnosis and Control in Marine Fish Aquaculture.- 13. Molecular Techniques in Diagnosis of Fish Parasitic Infection.- 14. Hematological Techniques for Diagnosis of Fish Diseases.- 15. The Challenges of PCR Amplification in Disease Diagnosis.- 16. Histological Techniques in Fish Disease Diagnosis.- 17. Sensing Techniques for Microbial Pathogens.- 18. Hormonal regulation and disorder during fish disease.- 19. Applications of Monoclonal Antibodies for Detection of Fish Pathogens.- 20. Nanotherapeutics: An Approach for Fish Disease Treatment.- 21. Detection and Quantification of Tilapia Lake Virus (TiLV) and Tilapia Parvovirus (TiPV) by Real-Time PCR.- 22. Role of Artificial Intelligence in Fish Disease Modeling and   Prognosis.- 23. Introduction to Microplastics: A Global Perspective of an Alarming Contaminant in the Aquatic Ecosystem.- 24. Emerging Challenges of Extended-Spectrum ß-Lactamase Producing Pathogen: Laboratory Strategies for Detection.- 25. eDNA Approaches for Ecosystem Health Monitoring: Focus on Pathogens, Vectors, and Microbial Assessment.

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