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The Use Of Laser Ablation Inductively Coupled Plasma Mass Spectrometry La Icp Ms For The Discrimination Of Glass Fragments In Forensic Casework
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Book Synopsis The Use of Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS) for the Discrimination of Glass Fragments in Forensic Casework by : David William Szymanski
Download or read book The Use of Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS) for the Discrimination of Glass Fragments in Forensic Casework written by David William Szymanski and published by . This book was released on 2004 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Categorisation and Discrimination of Automotive Glass Fragments by Laser Ablation Inductively Coupled Plasma Mass-spectrometry (LA-ICP-MS) for Forensic Purposes by : Megan Nicole Clare Grainger
Download or read book Categorisation and Discrimination of Automotive Glass Fragments by Laser Ablation Inductively Coupled Plasma Mass-spectrometry (LA-ICP-MS) for Forensic Purposes written by Megan Nicole Clare Grainger and published by . This book was released on 2010 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analysis of Glass Fragments by Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry and Principal Component Analysis by : SJ. Bajic
Download or read book Analysis of Glass Fragments by Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry and Principal Component Analysis written by SJ. Bajic and published by . This book was released on 2005 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) is used to differentiate glass samples with similar optical and physical properties based on trace elemental composition. Laser ablation increases the number of elements that can be used for differentiation by eliminating problems commonly associated with dissolution and contamination. In this study, standard residential window and tempered glass samples that could not be differentiated by refractive index or density were successfully differentiated by LA-ICP-MS. The primary analysis approach used is Principal Component Analysis (PCA) of the complete mass spectrum. PCA, a multivariate analysis technique, provides rapid analysis of samples without time-consuming pair-wise comparison of calibrated analyses or prior knowledge of the elements present in the samples. Probabilities for positive association of the individual samples are derived from PCA. Utilization of the Q-statistic with PCA allowed us to distinguish all samples within the set to a certainty greater than the 99% confidence interval.
Book Synopsis Encyclopedia of Forensic Sciences by :
Download or read book Encyclopedia of Forensic Sciences written by and published by Academic Press. This book was released on 2012-12-28 with total page 2253 pages. Available in PDF, EPUB and Kindle. Book excerpt: Forensic science includes all aspects of investigating a crime, including: chemistry, biology and physics, and also incorporates countless other specialties. Today, the service offered under the guise of "forensic science’ includes specialties from virtually all aspects of modern science, medicine, engineering, mathematics and technology. The Encyclopedia of Forensic Sciences, Second Edition, Four Volume Set is a reference source that will inform both the crime scene worker and the laboratory worker of each other’s protocols, procedures and limitations. Written by leading scientists in each area, every article is peer reviewed to establish clarity, accuracy, and comprehensiveness. As reflected in the specialties of its Editorial Board, the contents covers the core theories, methods and techniques employed by forensic scientists – and applications of these that are used in forensic analysis. This 4-volume set represents a 30% growth in articles from the first edition, with a particular increase in coverage of DNA and digital forensics Includes an international collection of contributors The second edition features a new 21-member editorial board, half of which are internationally based Includes over 300 articles, approximately 10pp on average Each article features a) suggested readings which point readers to additional sources for more information, b) a list of related Web sites, c) a 5-10 word glossary and definition paragraph, and d) cross-references to related articles in the encyclopedia Available online via SciVerse ScienceDirect. Please visit www.info.sciencedirect.com for more information This new edition continues the reputation of the first edition, which was awarded an Honorable Mention in the prestigious Dartmouth Medal competition for 2001. This award honors the creation of reference works of outstanding quality and significance, and is sponsored by the RUSA Committee of the American Library Association
Book Synopsis Materials Analysis in Forensic Science by : Max M. Houck
Download or read book Materials Analysis in Forensic Science written by Max M. Houck and published by Academic Press. This book was released on 2016-05-27 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: Materials Analysis in Forensic Science will serve as a graduate level text for those studying and teaching materials analysis in forensic science. In addition, it will prove an excellent library reference for forensic practitioners to use in their casework. Coverage includes methods, textiles, explosives, glass, coatings, geo-and bio-materials, and marks and impressions, as well as information on various other materials and professional issues the reader may encounter. Edited by a world-renowned leading forensic expert, the book is a long overdue solution for the forensic science community. Provides basic principles of forensic science and an overview of materials analysis Contains information on a wide variety of trace evidence Covers methods, textiles, explosives, glass, coatings, geo-and bio-materials, and marks and impressions, as well as various other materials Includes a section on professional issues, such as discussions of the crime scene to court process, lab reports, health and safety, and field deployable devices Incorporates effective pedagogy, key terms, review questions, discussion questions, and additional reading suggestions
Book Synopsis Handbook of Trace Evidence Analysis by : Vincent J. Desiderio
Download or read book Handbook of Trace Evidence Analysis written by Vincent J. Desiderio and published by John Wiley & Sons. This book was released on 2020-08-18 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covers new trace evidence techniques and expanding areas of analysis, along with key theory and applications Developed around the need for updated information in the disciplines of trace evidence the Handbook of Trace Evidence Analysis focuses on the increasing awareness and need for validation, modern methods for addressing and controlling contamination, the shift towards incorporating statistical analyses into the interpretation phase and cutting edge research into new forensic science methods and their application. Beginning with an overview of the topic and discussing the important role that information derived from trace materials can provide during investigations, the book then presents chapters on key techniques. The first being the critical nature of microscopy, and the methods employed for the recognition, collection, and preservation of trace evidence. Subsequent chapters review the core disciplines of trace evidence examination: paints and polymers, hairs, fibers and textiles and glass. Each chapter contains in-depth discussions on the origin of the materials involved, including any natural or synthetic processes involved in their production, the nuances involved in their detection, and the methods of analysis that are used to extract valuable information from samples. In addition, suggested workflows in method and testing selections, as well as addressing specific scientific challenges as well as the limitations of knowledge on the transfer, persistence and background abundance of trace materials are discussed. The book ends by examining the interpretation of trace evidence findings from a historical perspective and examining the methods that are currently being developed. Provides an in-depth introduction to the general area of trace evidence and discusses current and new techniques Consolidates trace evidence and materials categories of testing into one reference series Offers a detailed focus on technical approaches and guidelines to trace evidence Includes analytical schemes/workflows and valuable guides for the interpretation of data and results The Handbook of Trace Evidence will appeal to forensic science academics, students, and practitioners in the trace evidence and materials science disciplines, as well as DNA analysts, toxicologists, forensic anthropologists, crime laboratory managers, criminal justice students and practitioners, and legal professionals. It would also be a valuable resource for every crime laboratory reference library.
Book Synopsis Light in Forensic Science by : Giorgia Miolo
Download or read book Light in Forensic Science written by Giorgia Miolo and published by Royal Society of Chemistry. This book was released on 2018-04-16 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: The identification and quantification of material present and collected at a crime scene are critical requirements in investigative analyses. Forensic analysts use a variety of tools and techniques to achieve this, many of which use light. Light is not always the forensic analyst’s friend however, as light can degrade samples and alter results. This book details the analysis of a range of molecular systems by light-based techniques relevant to forensic science, as well as the negative effects of light in the degradation of forensic evidence, such as the breakage of DNA linkages during DNA profiling. The introductory chapters explain how chemiluminescence and fluorescence can be used to visualise samples and the advantages and limitations of available technologies. They also discuss the limitations of our knowledge about how light could alter the physical nature of materials, for example by breaking DNA linkages during DNA profiling or by modifying molecular structures of polymers and illicit drugs. The book then explains how to detect, analyse and interpret evidence from materials such as illicit drugs, agents of bioterrorism, and textiles, using light-based techniques from microscopy to surface enhanced Raman spectroscopy. Edited by active photobiological and forensic scientists, this book will be of interest to students and researchers in the fields of photochemistry, photobiology, toxicology and forensic science.
Book Synopsis Forensic Development of LA-ICP-MS by : Karen Harrington
Download or read book Forensic Development of LA-ICP-MS written by Karen Harrington and published by . This book was released on 2007 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Forensic Science written by Evgeny Katz and published by John Wiley & Sons. This book was released on 2016-06-27 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: Concentrating on the natural science aspects of forensics, top international authors from renowned universities, institutes, and laboratories impart the latest information from the field. In doing so they provide the background needed to understand the state of the art in forensic science with a focus on biological, chemical, biochemical, and physical methods. The broad subject coverage includes spectroscopic analysis techniques in various wavelength regimes, gas chromatography, mass spectrometry, electrochemical detection approaches, and imaging techniques, as well as advanced biochemical, DNA-based identification methods. The result is a unique collection of hard-to-get data that is otherwise only found scattered throughout the literature.
Book Synopsis Radionuclide Concentrations in Food and the Environment by : Michael Poschl
Download or read book Radionuclide Concentrations in Food and the Environment written by Michael Poschl and published by CRC Press. This book was released on 2006-08-21 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: As radiological residue, both naturally occurring and technologically driven, works its way through the ecosystem, we see its negative effects on the human population. Radionuclide Concentrations in Food and the Environment addresses the key issues concerning the relationship between natural and manmade sources of environmental radioactivity
Book Synopsis Encyclopedia of Spectroscopy and Spectrometry by :
Download or read book Encyclopedia of Spectroscopy and Spectrometry written by and published by Academic Press. This book was released on 2016-09-22 with total page 3716 pages. Available in PDF, EPUB and Kindle. Book excerpt: This third edition of the Encyclopedia of Spectroscopy and Spectrometry, Three Volume Set provides authoritative and comprehensive coverage of all aspects of spectroscopy and closely related subjects that use the same fundamental principles, including mass spectrometry, imaging techniques and applications. It includes the history, theoretical background, details of instrumentation and technology, and current applications of the key areas of spectroscopy. The new edition will include over 80 new articles across the field. These will complement those from the previous edition, which have been brought up-to-date to reflect the latest trends in the field. Coverage in the third edition includes: Atomic spectroscopy Electronic spectroscopy Fundamentals in spectroscopy High-Energy spectroscopy Magnetic resonance Mass spectrometry Spatially-resolved spectroscopic analysis Vibrational, rotational and Raman spectroscopies The new edition is aimed at professional scientists seeking to familiarize themselves with particular topics quickly and easily. This major reference work continues to be clear and accessible and focus on the fundamental principles, techniques and applications of spectroscopy and spectrometry. Incorporates more than 150 color figures, 5,000 references, and 300 articles for a thorough examination of the field Highlights new research and promotes innovation in applied areas ranging from food science and forensics to biomedicine and health Presents a one-stop resource for quick access to answers and an in-depth examination of topics in the spectroscopy and spectrometry arenas
Book Synopsis Current Developments in Laser Ablation-inductively Coupled Plasma-mass Spectrometry for Use in Geology, Forensics, and Nuclear Nonproliferation Research by :
Download or read book Current Developments in Laser Ablation-inductively Coupled Plasma-mass Spectrometry for Use in Geology, Forensics, and Nuclear Nonproliferation Research written by and published by . This book was released on 2008 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation focused on new applications of laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS). The diverse fields that were investigated show the versatility of the technique. In Chapter 2, LA-ICP-MS was used to investigate the rare earth element (REE) profiles of garnets from the Broken Hill Deposit in New South Wales, Australia. The normalized REE profiles helped to shed new light on the formation of deposits of sulfide ores. This information may be helpful in identifying the location of sulfide ore deposits in other locations. New sources of metals such as Pg, Zn, and Ag, produced from these ores, are needed to sustain our current technological society. The application of LA-ICP-MS presented in Chapter 3 is the forensics analysis of automotive putty and caulking. The elemental analysis of these materials was combined with the use of Principal Components Analysis (PCA). The PCA comparison was able to differentiate the automotive putty samples by manufacturer and lot number. The analysis of caulk was able to show a differentiation based on manufacturer, but no clear differentiation was shown by lot number. This differentiation may allow matching of evidence in the future. This will require many more analyses and the construction of a database made up of many different samples. The 4th chapter was a study of the capabilities of LA-ICP-MS for fast and precise analysis of particle ensembles for nuclear nonproliferation applications. Laser ablation has the ability to spatially resolve particle ensembles which may contain uranium or other actinides from other particles present in a sample. This is of importance in samples obtained from air on filter media. The particle ensembles of interest may be mixed in amongst dust and other particulates. A problem arises when ablating these particle ensembles directly from the filter media. Dust particles other than ones of interest may be accidentally entrained in the aerosol of the ablated particle ensemble. This would cause the analysis to be skewed. The use of a gelatin substrate allows the ablation a particle ensemble without disturbing other particles or the gelatin surface. A method to trap and ablate particles on filter paper using collodion was also investigated. The laser was used to dig through the collodion layer and into the particle ensemble. Both of these methods fix particles to allow spatial resolution of the particle ensembles. The use of vanillic acid as a possible enhancement to ablation was also studied. A vanillic acid coating of the particles fixed on top of the gelatin substrate was not found to have any positive effect on either signal intensity or precision. The mixing of vanillic acid in the collodion solution used to coat the filter paper increased ablation signal intensity by a factor of 4 to 5. There was little effect on precision, though. The collodion on filter paper method and the gelatin method of resolving particles have shown themselves to be possible tools in fighting proliferation of nuclear weapons and material. Future applications of LA-ICP-MS are only limited by the imagination of the investigator. Any material that can be ablated and aerosolized is a potential material for analysis by LA-ICP-MS. Improvements in aerosol transport, ablation chamber design, and laser focusing can make possible the ablation and analysis of very small amounts of material. This may perhaps lead to more possible uses in forensics. A similar method to the one used in Chapter 3 could perhaps be used to match drug residue to the place of origin. Perhaps a link could be made based on the elements leached from the soil by plants used to make drugs. This may have a specific pattern based on where the plant was grown. Synthetic drugs are produced in clandestine laboratories that are often times very dirty. The dust, debris, and unique materials in the lab environment could create enough variance to perhaps match drugs produced there to samples obtained...
Book Synopsis Analysis of Solids by Laser Ablation Inductively Coupled Plasma Mass Spectrometry by : David Brian Aeschliman
Download or read book Analysis of Solids by Laser Ablation Inductively Coupled Plasma Mass Spectrometry written by David Brian Aeschliman and published by . This book was released on 2003 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation manuscript concentrates on methods to improve the utility of laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) as a rapid and accurate technique for quantitative analysis, forensic matching, and source attribution of solid samples. A solution calibration method for LA-ICP-MS is described that does not require matrix-matched solid standards or prior knowledge of sample composition. Desolvated particles from a microconcentric nebulizer and particles ablated from a localized position on a solid sample are mixed and introduced simultaneously to the ICP-MS. The transport of sample particulates from the ablation cell is measured online with piezoelectric microbalance to provide signal normalization. The relative accuracy of the quantitative analysis of NIST 612 glass and NIST 1264a steel is 3% and 12%, respectively, except for the elements Pb and Bi in steel. LA-ICP-MS is also used with principal components analysis (PCA) to simplify routine comparisons of forensic materials without time-consuming and destructive sample dissolution. The relative concentrations of trace elements in a solid sample are examined to provide a "fingerprint" composition that can be used for definitive identification and source matching of the material. Residue samples are matched to bulk materials using PCA. Variation of laser focus and PCA are also used to diagnose the presence and severity of elemental fractionation, which remains the most significant limitation for accurate quantitative analyses by LA-ICP-MS. High-speed photographs and video of an ICP are used to examine the validity of solution calibration for LA-ICP-MS and to study the trajectories, lifetimes, and emission behavior of particles traversing the plasma under a variety of conditions. No red emission clouds from YO are visible in the ICP when a 20-[mu]L min−1 nebulizer is used to spray a 2000 ppm aqueous yttrium solution, suggesting that the wet droplets from this nebulizer desolvate almost completely before entering the ICP. These desolvated particles appear to atomize and ionize like the small dry particulates from laser ablation. However, some large ablated particulates are observed to fly through the plasma intact, possibly contributing to elemental fractionation. Nevertheless, accurate calibration results using solution standards can be obtained for elements not affected by fractionation.
Book Synopsis Laser-Induced Breakdown Spectroscopy in Biological, Forensic and Materials Sciences by : Gábor Galbács
Download or read book Laser-Induced Breakdown Spectroscopy in Biological, Forensic and Materials Sciences written by Gábor Galbács and published by Springer Nature. This book was released on 2022-12-13 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a comprehensive overview of recent advances in the area of laser-induced breakdown spectroscopy (LIBS), focusing on its application to biological, forensic and materials sciences. LIBS, which was previously mainly used by physicists, chemists and in the industry, has now become a very useful tool with great potential in these other fields as well. LIBS has a unique set of characteristics including minimal destructiveness, remote sensing capabilities, potential portability, extremely high information content, trace analytical sensitivity and high throughput. With its content divided into two main parts, this book provides not only an introduction to the analytical capabilities and methodology, but also an overview of the results of recent applications in the above fields. The application-oriented, multidisciplinary approach of this work is also reflected in the diversity of the expert contributors. Given its breadth, this book will appeal to students, researchers and professionals interested in solving analytical/diagnostic/material characterization tasks with the application of LIBS.
Book Synopsis Inductively Coupled Plasma Spectrometry and its Applications by : Steve J. Hill
Download or read book Inductively Coupled Plasma Spectrometry and its Applications written by Steve J. Hill and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first edition of Inductively Coupled Plasma Spectrometry andits Applications was written as a handbook for users who wanted abetter understanding of the theory augmented by a practical insightof how best to approach a range of applications, and to provide auseful starting point for users trying an approach or technique newto them. These objectives have been retained in the second editionbut a slight shift in emphasis gives the volume an overallperspective that is more forward looking. Structured into 11 chapters, the current edition is a thoroughrevision of the original, covering the principles of inductivelycoupled plasmas, instrumentation, methodology and applicationswithin environmental analysis, earth science, food science andclinical medicine. Each chapter, written by internationallyrecognised leaders in their specific subject areas, provides enoughdetail to be useful to both the new and experienced users. Fullaccount is taken of recent developments, such as high resolutioninstruments, novel detection systems and electrospraytechniques. Written for all analytical scientists but particularly thoseinvolved in atomic spectroscopy and in environmental, geochemical,clinical or food analysis, this timely and informative book will bean essential reference in their use of inductively coupled plasmasto achieve their own scientific goals.
Book Synopsis Laser Ablation-Inductively Coupled Plasma-Mass Spectrometer (LA-ICP-MS) in Geosciences: Further Improvement for Elemental Analysis by : Shitou Wu
Download or read book Laser Ablation-Inductively Coupled Plasma-Mass Spectrometer (LA-ICP-MS) in Geosciences: Further Improvement for Elemental Analysis written by Shitou Wu and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A quantitative reduction strategy consisting of Ratioing, Standardization, and Normalization (RSN) was proposed to process the LA-ICP-MS transient signal of NIST, MPI-DING, USGS and CGSG glass reference materials. The RSN strategy allows the quantitative reduction without knowing the concentration of internal standard prior to LA-ICP-MS analysis. The down-hole fractionations of the investigated glasses in initial 5-35s ablation period were insignificant and independent of the chosen internal standards under the given laser conditions. The analytical accuracy obtained from internal standardi...
Book Synopsis Laser-ablation Inductively-coupled-plasma Mass Spectrometry (LA-ICP-MS) of Oils and Tars - Trace Metal Ratios Made Easy? by : A. D. Bradley
Download or read book Laser-ablation Inductively-coupled-plasma Mass Spectrometry (LA-ICP-MS) of Oils and Tars - Trace Metal Ratios Made Easy? written by A. D. Bradley and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
