Download or read book Applications of Raman Spectroscopic Techniques in Forensic and Security Contexts written by Esam Mohamed Abdalla Ali and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Drug trafficking and smuggling is an ongoing challenge for law enforcement agencies. Cocaine smuggling is a high-value pursuit for smugglers and has been attempted using a variety of concealment methods including the use of bottled liquids, canned milk, wax and suspensions in cans of beer. In particular, traffickers have used clothing impregnated with cocaine for smuggling. Handling, transportation or re-packaging of drugs of abuse and explosives will inevitably leave residual material on the clothing and other possessions of the involved persons. The nails and skin of the person may also be contaminated through the handling of these substances. This research study describes the development of Raman spectroscopic techniques for the detection of drugs of abuse and explosives on biomaterials of forensic relevance including undyed natural and synthetic fibres and dyed textile specimens, nail and skin. Confocal Raman microscopy has been developed and evaluated for the detection and identification of particulates of several drugs of abuse and explosives on different substrates. The results show that excellent spectroscopic discrimination can be achieved between single particles and substrate materials, giving a ubiquitous non-destructive approach to the analysis of pico-gram quantities of the drugs and explosives in-situ. Isolating the particle in this way corresponds with an analytical sensitivity comparable with the most sensitive analytical techniques currently available e.g. the highly sensitive, yet destructive ionization desorption mass spectrometry. With the confocal Raman approach, this work demonstrates that definitive molecular-specific information can be achieved within seconds without significant interference from the substrate. The potential for the application of this technique as a rapid preliminary, forensic screening procedure is obvious and attractive to non-specialist operators as it does not involve prior chemical pretreatmentiior detachment of the analyte from the substrate. As a result, evidential materials can be analysed without compromising their integrity for future investigation. Also, the applications of benchtop and portable Raman spectroscopy for the in-situ detection of drugs of abuse in clothing impregnated with the drugs have been demonstrated. Raman spectra were obtained from a set of undyed natural and synthetic fibres and dyed textiles impregnated with these drugs. The spectra were collected using three Raman spectrometers; one benchtop dispersive spectrometer coupled to a fibre-optic probe and two portable spectrometers. High quality spectra of the drugs could be acquired in-situ within seconds and without any sample preparation or alteration of the evidential material. A field-portable Raman spectrometer is a reliable instrument that can be used by emergency response teams to rapidly identify unknown samples. This method lends itself well to further development for the in-situ examination by law enforcement officers of items associated with users, handlers and suppliers of drugs of abuse in the forensics arena. In the last section of this study, a portable prototype Raman spectrometer (DeltaNuAdvantage 1064) equipped with 1064 nm laser excitation has been evaluated for the analysis of drugs of abuse and explosives. The feasibility of the instrument for the analysis of the samples both as neat materials and whilst contained in plastic and glass containers has been investigated. The advantages, disadvantages and the analytical potential in the forensics arena of this instrument have been discussed.
Download or read book Infrared and Raman Spectroscopy in Forensic Science written by John M. Chalmers and published by John Wiley & Sons. This book was released on 2012-01-03 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book will provide a survey of the major areas in which information derived from vibrational spectroscopy investigations and studies have contributed to the benefit of forensic science, either in a complementary or a unique way. This is highlighted by examples taken from real case studies and analyses of forensic relevance, which provide a focus for current and future applications and developments.
Download or read book Infrared and Raman Spectroscopy in Forensic Science written by John M. Chalmers and published by John Wiley & Sons. This book was released on 2012-03-05 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book will provide a survey of the major areas in which information derived from vibrational spectroscopy investigations and studies have contributed to the benefit of forensic science, either in a complementary or a unique way. This is highlighted by examples taken from real case studies and analyses of forensic relevance, which provide a focus for current and future applications and developments.
Download or read book Spectroscopic Techniques for Security Forensic and Environmental Applications written by Yashashchandra Dwivedi and published by Nova Science Publishers. This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this book will be to explore the possible applications in the field of spectroscopy toward matters related to security, the environment and forensics, with in-depth analyses of relative difficulties and advantages of the various techniques. Spectroscopic techniques have been contributing significantly to diverse areas, such as material processing and characterisation, communication, forensic science, and defence with an unequalled precision by using lasers. Raman and infrared spectroscopic techniques are regularly used in the studies on semiconductors, microelectronics, catalysis and nano-materials. With the advent of nanotechnology, new materials are being reported with an improved sensitivity to various toxic gases, finger printing etc. Photo acoustic spectroscopy, with a quartz tuning fork sensor, makes it possible to detect trace amounts of explosive powders and residues on surfaces from a distance. Laser induced breakdown spectroscopy from the Curiosity rover, roaming the Mars surface, has been sending valuable spectral data that will be used to understand the existence of life. The present book encompasses a wide range of topics pertaining to the variety of spectroscopic techniques which would be of great importance in the detection of explosives, chemical and biological agents and in meeting any defence threats.
Download or read book Modern Raman Spectroscopy written by Ewen Smith and published by John Wiley & Sons. This book was released on 2019-02-22 with total page 303 pages. Available in PDF, EPUB and Kindle. Book excerpt: Second edition of the guide to the modern techniques that demonstrate the potential of Raman spectroscopy Completely revised and updated, the second edition of Modern Raman Spectroscopy presents the information needed for clear understanding and application of the technique of Raman Spectroscopy in a range of areas such as pharmaceuticals, forensics, and biology. The authors—noted experts on the topic—reveal how to make full use of the critical information presented and include a wealth of examples of the pitfalls that can be encountered. The text opens with a description of the basic theory to assist readers in making a practical interpretation of Raman Spectra. Chapters include the main equations that are used in order to highlight the theory’s meaning and relevance while avoiding a full mathematical treatment. Modern Raman Spectroscopy provides a firm grounding, combined with a variety of references, from which to approach a more comprehensive study of specific aspects of Raman Spectroscopy. This new edition: Includes instrumentation sections that now contain Spatially Offset Raman scattering and transmission Raman scattering Offers an updated SERS chapter that presents recent examples and Tip enhanced Raman scattering Contains updated information with an emphasis on pharmaceutical, forensic, and biological applications Introduces modern techniques in the imaging and mapping of biological samples and more advanced methods which are becoming easier to use Written for users of Raman Spectroscopy in industry, including non-analysts, researchers, and academics, the second edition of Modern Raman Spectroscopy clearly demonstrates the potential of using Raman Spectroscopy for a wide range of applications.
Download or read book Surface Infrared and Raman Spectroscopy written by W. Suëtaka and published by Springer Science & Business Media. This book was released on 1995-05-31 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written with engineers and researchers in mind, author W. Suëtka offers a well-illustrated, basic reference on the use of infrared (IR) and Raman spectroscopy in the investigation of surfaces of practical materials. This book only requires a basic knowledge of vibrational spectroscopy for understanding the included discussions. Chapters illustrate applications of IR and Raman spectroscopy in the investigation of a variety of real surfaces. Featured in this volume are the typical results obtained for species on clean and well-defined surfaces in ultrahigh vacuum environments.
Download or read book Handbook of Raman Spectroscopy written by Ian R. Lewis and published by CRC Press. This book was released on 2001-08-08 with total page 1076 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work covers principles of Raman theory, analysis, instrumentation, and measurement, specifying up-to-the-minute benefits of Raman spectroscopy in a variety of industrial and academic fields, and how to cultivate growth in new disciplines. It contains case studies that illustrate current techniques in data extraction and analysis, as well as over 500 drawings and photographs that clarify and reinforce critical text material. The authors discuss Raman spectra of gases; Raman spectroscopy applied to crystals, applications to gemology, in vivo Raman spectroscopy, applications in forensic science, and collectivity of vibrational modes, among many other topics.
Download or read book Applications of Raman Spectroscopy to Biology written by M. Ghomi and published by IOS Press. This book was released on 2012-02-23 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: Raman spectroscopy has been known and used as a technique for 80 years, originally for the study of inorganic substances. Recent advances in underlying technology, such as lasers, detectors, filters and components, have transformed the technique into a very effective modern tool for studying complex biological problems. Professor Mahmoud Ghomi (of the University of Paris XIII) has edited this book on the applications of Raman spectroscopy to biology, covering in a readily accessible way the area from basic studies to the diagnosis of disease. The early chapters provide background information on basic principles underlying the main Raman methods covered in the book, with information on Surface-Enhanced Raman Scattering (SERS) and Surface-Enhanced Fluorescence (SEF), as well as giving accounts of applications to biomolecular and cellular investigations. Among the topics covered are studies of drugs and their complexes with biomolecules on nanoparticles, application of SERS to blood analysis, studies of single cells and of applications to human cancer diagnostics.This will be a useful book for experimental scientists in academic, governmental, industrial and clinical environments and for those entering the field of biomolecular spectroscopy.
Download or read book Introductory Raman Spectroscopy written by John R. Ferraro and published by Elsevier. This book was released on 2003-01-13 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: This second edition of Introductory Raman Spectroscopy serves as a guide to newcomers who wish to become acquainted with this dynamic technique. Written by three acknowledged experts this title uses examples to illustrate the usefulness of the technique of Raman spectroscopy in such diverse areas as forensic science, biochemistry, medical, pharmaceutical prescription and illicit drugs. The technique also has many uses in industry. Updated Applications chapter Demonstrated the versatility and utility of Raman spectroscopy in problem solving in science Serves as an excellent reference text for both beginners and more advanced students Discusses new applications of Raman spectroscopy in industry and research
Download or read book Raman Spectroscopy written by Dheeraj Kumar Singh and published by Springer Nature. This book was released on with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Forensic Applications of Raman Spectroscopy written by Grant Thomson and published by . This book was released on 2002 with total page 338 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 2016-03-08 with total page 446 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.
Download or read book An evaluation of analytical techniques including Raman spectroscopy for use in forensic document examination written by Rosalind Wolstenholme and published by . This book was released on 2005 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Advanced Statistical Methods for Biochemical and Forensic Applications of Raman Spectroscopy written by Vitali Sikirzhytski and published by . This book was released on 2011 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Analytical Archaeometry written by Howell Edwards and published by Royal Society of Chemistry. This book was released on 2016-01-13 with total page 594 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analytical Archaeometry describes this interesting and challenging field of research - on the border between natural sciences (chemistry, spectroscopy, biology, geology) and humanities (archaeology, (art-)history, conservation sciences). It fills the gap between these two areas whilst focussing on the analytical aspects of this research field. The first part of the book studies the main analytical techniques used in this research field. The second part expands from the different types of materials usually encountered, and the final part is organised around a series of typical research questions. The book is not only focussed on archaeological materials, but is also accessible to a broader lay audience. Overall the book is clearly structured and gives insight into different approaches to the study of analytical providing extensive discussion on a wide range of techniques, materials, questions and applications. Due to the advances in analytical instrumentation and applications in this field, it is important to have all this information merged together. Academics as well as professionals in archaeology, art history, museum labs and conservation science will find this an invaluable reference source ensuring the reader is provided with the latest progress in this research field.
Download or read book Applications of Surface Enhanced Raman Spectroscopy written by Stuart Farquharson and published by CRC Press. This book was released on 2016-11-26 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: With comprehensive coverage, Applications of Surface-Enhanced Raman Spectroscopy provides practitioners of SERS with a resource of current applications described by experts in each area to guide their own applications of this technology. This book covers both the traditional applications in chemical and biochemical research as well as commercial applications in the areas of environmental science, forensics, and pharmaceuticals and biotechnology. It emphasizes the hot-topic areas of homeland security and medical applications. Offering groundwork for future application development, this text is essential for analytical chemists involved in trace chemical analysis and those companies selling SERS products.
Download or read book Handbook of Raman Spectroscopy written by Ian R. Lewis and published by CRC Press. This book was released on 2001-08-08 with total page 1072 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work covers principles of Raman theory, analysis, instrumentation, and measurement, specifying up-to-the-minute benefits of Raman spectroscopy in a variety of industrial and academic fields, and how to cultivate growth in new disciplines. It contains case studies that illustrate current techniques in data extraction and analysis, as well as over 500 drawings and photographs that clarify and reinforce critical text material. The authors discuss Raman spectra of gases; Raman spectroscopy applied to crystals, applications to gemology, in vivo Raman spectroscopy, applications in forensic science, and collectivity of vibrational modes, among many other topics.
