Leading edge techniques in forensic trace evidence analysis : more new trace analysis methods / / edited by Robert D. Blackledge

• Pubblicazione: Hoboken, New Jersey : , : Wiley, , [2023]; ©2023
• Descrizione fisica: 1 online resource (371 pages)
• Disciplina: 363.25/6
• Soggetto topico: Trace evidence
• Persona (resp. second.): BlackledgeRobert D.
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: Cover -- Title Page -- Copyright -- Contents -- List of Contributors -- Foreword -- Preface -- Chapter 1 Forensic Analysis of Shimmer Particles in Cosmetic Samples -- 1.1 Introduction -- 1.2 What is Shimmer? -- 1.2.1 Shimmer versus Glitter -- 1.2.2 Shimmer Composition and Use -- 1.3 Shimmer Detection and Collection -- 1.3.1 Detection of Cosmetic Stains -- 1.3.2 Collection of Shimmer Particles -- 1.4 Analysis of Shimmer Particles -- 1.4.1 Sample Extraction and Preparation -- 1.4.2 Digital Microscopy -- 1.4.3 Infrared Spectroscopy -- 1.4.4 Raman Spectroscopy -- 1.4.5 X‐Ray Diffraction -- 1.4.6 Scanning Electron Microscopy - Energy Dispersive X‐Ray Spectroscopy -- 1.5 Ideal Contact Trace -- 1.5.1 Nearly Invisible -- 1.5.2 High Probability of Transfer and Retention -- 1.5.3 Highly Individualistic -- 1.5.4 Easily Collected, Separated, and Concentrated -- 1.5.5 Mere Traces Easily Characterized -- 1.5.6 Searchable via Computerized Database -- 1.5.7 Will Survive Most Environmental Insults -- 1.6 Case Examples -- 1.7 Conclusion -- Acknowledgments -- References -- Chapter 2 Glitter and Other Flake Pigments -- 2.1 Introduction -- 2.2 Glitter Update -- 2.3 Cutting Film into Individual Glitter Particles -- 2.4 Reflectance -- 2.5 Embossed Effects -- 2.6 Color -- 2.7 Specific Gravity -- 2.8 Is It Glitter or a Flake Pigment? -- 2.9 Materials and Processes that Have Been Used to Produce Flake Materials -- 2.9.1 Post Manufacture Modification -- 2.9.2 Polymer Film Flakes - Differences that May Help Discriminate the Flake Source -- 2.9.3 Foil -- 2.9.4 Flake Materials -- 2.9.5 Natural Materials -- 2.9.6 Synthetic Materials -- 2.9.7 Freestanding Flakes -- 2.9.8 Effects -- 2.9.9 Post Manufacture Modification -- 2.9.10 Color -- 2.9.11 Discriminating Between Flakes of Unknown Origin -- 2.9.12 Follow the Yellow Brick Road -- References. ; Chapter 3 X‐ray Photoelectron Spectroscopy -- 3.1 Introduction -- 3.2 Background and Theory -- 3.3 Instrumentation -- 3.3.1 Ultra‐High Vacuum (UHV) -- 3.3.2 X‐ray Source -- 3.3.3 Electron Detector -- 3.3.4 Charge Compensation Source -- 3.3.5 Sample Cleaning - Monatomic Ions -- 3.3.6 Depth Profiling -- 3.3.7 Sample Preparation -- 3.4 Argon‐Ion Cluster Beam Technology -- 3.5 Evidence Type Examples -- 3.5.1 Example 1: Surface Modified Fibers -- 3.5.2 Example 2: Glass -- 3.5.2.1 A -- 3.5.2.2 B -- 3.5.3 Example 3: Hair Fibers with Modifications -- 3.6 Future Directions of XPS and Forensics -- 3.6.1 HAXPES -- 3.6.2 NAPXPS -- 3.7 Conclusions -- Acknowledgements -- References -- Chapter 4 Density Determination and Separation via Magnetic Levitation -- 4.1 Introduction -- 4.2 Objectives of the Work -- 4.3 Guidance to the Reader -- 4.4 Theoretical Basis* -- 4.4.1 What Is MAGLEV? -- 4.4.2 Brief Discussion of Trace Evidence Separation Methods and their Limitations -- 4.4.3 Brief Discussion of Density and Determination Methods -- 4.4.4 Detailed Discussion of Theory* -- 4.5 Preparation for Density Determination Via MAGLEV -- 4.5.1 Choosing the Type of MAGLEV Device: Precision, Accuracy, Working Distance, Sensitivity, and Range of Density -- 4.5.2 Testing the Compatibility Between Trace Evidence and Paramagnetic Media -- 4.5.3 Analysis of Nonpolar Compounds Using MAGLEV -- 4.5.4 Analysis of Polar Compounds Using MAGLEV -- 4.5.5 Calibration -- 4.6 Protocols for Measurement of Density, and Separation Using MAGLEV -- 4.6.1 Basic Protocol for Typical Use of the MAGLEV Device -- 4.6.2 Troubleshooting the Experiments -- 4.7 Trace‐Evidence‐Like Materials That Have Been Analyzed with MAGLEV -- 4.7.1 Bone -- 4.7.2 Glitter and Gunpowder -- 4.7.3 Powdered Drugs, Polymorphs, and Enantiomers -- 4.7.4 Glass -- 4.7.5 Polymers -- 4.7.6 Hair and Dandruff. ; 4.8 Instructions for the Construction of MAGLEV Devices -- 4.9 Conclusion -- References -- Chapter 5 Forensic Applications of Gas Chromatography - Vacuum Ultraviolet Spectroscopy Paired with Mass Spectrometry -- 5.1 Introduction -- 5.2 Background of Mass Spectrometry -- 5.3 Background of Vacuum Ultraviolet Spectroscopy -- 5.4 Combining GC/VUV and GC/MS -- 5.5 Analysis of Fentanyl Analogues -- 5.6 Analysis of Smokeless Powders -- 5.7 Analysis of Lipstick -- 5.8 Analysis of Blood Alcohol Content and Inhalants -- 5.9 Analysis of Fire Debris Samples -- 5.10 Conclusion -- References -- Chapter 6 Surface Acoustic Wave Nebulization‐Mass Spectrometry -- 6.1 Theory and Instrumentation -- 6.2 Analysis of Complex Samples -- 6.2.1 Single Fibers Having Synthetic Organic Dyes and Other Trace Evidence Examples -- 6.2.2 The Case of Denim Fibers -- 6.2.3 From Natural to Synthetic Indigo for Denim Dyeing -- 6.2.3.1 MS and Denim Analysis -- References -- Chapter 7 Elemental Imaging of Forensic Traces with Macro‐ and Micro‐XRF -- 7.1 Introduction -- 7.2 XRF Imaging Methods and Instrumentation -- 7.3 Elemental Imaging of Gun Shot Residues -- 7.4 Using Elemental Markers to Detect and Image Biological Traces -- 7.5 Visualizing Cosmetic and Personal Care Product Stains -- 7.6 Noninvasive Imaging of Hidden and Concealed Forensic Traces -- 7.7 Future Outlook -- Acknowledgments -- References -- Chapter 8 Characterization of Human Head Hairs via Proteomics -- 8.1 Introduction -- 8.2 Human Hair -- 8.2.1 Structure and Role -- 8.2.2 Growth Cycle -- 8.2.3 Chemical Composition -- 8.3 Human Hair as Forensic Evidence: The Investigative Value of Hair -- 8.3.1 Physical Hair Analysis Workflow -- 8.3.2 Microscopy (Physical) in Conjunction with DNA (Chemical) Analysis -- 8.4 Current and Emerging Proteomic Methods for Forensic Human Hair Analysis. ; 8.4.1 Applicability of SAPs and GVPs in Hair Analysis -- 8.5 Current and Emerging Methods for Forensic Human Hair Analysis -- 8.5.1 Nano‐Liquid Chromatography (nLC) with Electrospray Ionization and MS/MS -- 8.5.2 Proteomics Analysis with Tandem/Hybrid Mass Spectrometry -- 8.5.3 Hair Proteome Sequencing Via CE‐MS/MS -- 8.6 Challenges to Implementing Protein Sequencing in Forensic Casework -- 8.6.1 Triage of Evidence and Prioritization for Examination -- 8.6.2 Need for Validated Protocols and Appropriate Quality Assurance/Quality Control Procedures -- 8.6.3 Not Amenable to Databasing vis‐a‐vis CODIS -- 8.6.4 Variable Protein Expression -- 8.7 Conclusion -- Acknowledgments -- References -- Chapter 9 Photo‐induced Force Microscopy -- 9.1 Introduction -- 9.2 Working Principle and Instrumentation -- 9.3 Trace Evidence Examples -- 9.3.1 Fibers -- 9.3.2 Nanoscale Chemical Mapping -- 9.3.3 Individual Glitter and Shimmer Particles -- References -- Chapter 10 Raman and Surface‐Enhanced Raman Scattering (SERS) for Trace Analysis -- 10.1 Introduction -- 10.2 Theory -- 10.2.1 Raman Spectroscopy -- 10.2.2 Enhancement Mechanism in SERS -- 10.2.3 SERS Substrates -- 10.2.4 Probe Molecules -- 10.3 Instrumentation -- 10.3.1 Spectrometer -- 10.3.2 Excitation Lasers -- 10.3.3 Detector -- 10.3.4 Microscope -- 10.3.5 Portable Spectrometers -- 10.4 Forensic Applications -- 10.4.1 Questioned Document -- 10.4.2 Explosives -- 10.4.3 Fibers -- 10.4.4 Paint -- 10.4.5 Fingermarks -- 10.4.6 Fire Accelerants -- 10.4.7 Gunshot Residues -- 10.4.8 Cosmetic Products -- 10.4.9 Other Types of Physical Evidence -- References -- Index -- EULA.
• Titolo autorizzato: Leading edge techniques in forensic trace evidence analysis
• ISBN: 1-119-59172-4; 1-119-59183-X
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910643275703321
• Lo trovi qui: Univ. Federico II