On Pathways For Small Molecules Into And Out Of Human Hair Fibers

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On Pathways for Small Molecules Into and Out of Human Hair Fibers

Author : L. Pötsch
Publisher :
ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (125 download)

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Book Synopsis On Pathways for Small Molecules Into and Out of Human Hair Fibers by : L. Pötsch

Download or read book On Pathways for Small Molecules Into and Out of Human Hair Fibers written by L. Pötsch and published by . This book was released on 1996 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper represents an experimental approach of histology of the human hair fiber in dyeing and diffusion phenomena and its contribution to the interpretation of hair analysis results for drug abuse. Rhodamine B was applied to human hair fibers from either aqueous solution or methanol/ethanol solvent. The experiments were performed on natural hair of different ethnic groups as well as on extensively bleached hair strands. The microscopical study of the pathway of diffusion of rhodamine B into the hair fibers indicated that the reagent had entered the unmodified fibers at the scale edges between the cuticle cells. At the beginning of the diffusion process intercellular diffusion was the preferred route predominantly along the nonkeratinous regions of the cell membrane complex (CMC) and intermacrofibrillar cement. Penetration into the high sulfur regions of the fiber occurred as dyeing in aqueous solution proceeded and resulted in evenly stained cross sections. The dye distribution pattern observed in natural hair exposed to nonaqueous solution showed that rhodamine B did not penetrate the cortex cells as easy as from aqueous solution and selectively stained nonkeratinous regions only. The determination of the amount of dye taken up by the fibers by spectrophotometric analysis demonstrated that samples diffusion generally increased by time and temperature. It also depended on the morphology of the hair sample. The penetration of rhodamine B from aqueous solution was much greater than from methanol/ethanol solvent.

Chemical and Physical Behavior of Human Hair

Author : Clarence R. Robbins
Publisher : Springer Science & Business Media
ISBN 13 : 0387216952
Total Pages : 496 pages
Book Rating : 4.3/5 (872 download)

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Book Synopsis Chemical and Physical Behavior of Human Hair by : Clarence R. Robbins

Download or read book Chemical and Physical Behavior of Human Hair written by Clarence R. Robbins and published by Springer Science & Business Media. This book was released on 2006-05-26 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: Human hair is the subject of a wide range of scientific investigations. Its chemical and physical properties are of importance to the cosmetics industry, forensic scientists, and to biomedical researchers. This updated and enlarged fourth edition continues the tradition of its predecessor as being the definitive monograph on the subject. It now contains new information on various topics including: chemical hair damage, the cause of dandruff, skin and eye irritation, hair straightening, and others. Chemical and Physical Behavior of Human Hair is a teaching guide and reference volume for cosmetic chemists and other scientists in the hair products industry, academic researchers studying hair and hair growth, textile scientists, and forensic specialists.

Forensic Examination of Hair

Author : James R. Robertson
Publisher : CRC Press
ISBN 13 : 0203483529
Total Pages : 280 pages
Book Rating : 4.2/5 (34 download)

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Book Synopsis Forensic Examination of Hair by : James R. Robertson

Download or read book Forensic Examination of Hair written by James R. Robertson and published by CRC Press. This book was released on 1999-06-10 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: The examination of human hairs in the forensic science setting is a highly specialist forensic discipline. To date the topic has not been covered in a single volume in which all aspects of hair examination are brought together. In this volume an international group of authors have dealt with all aspects of the examination of human hair. The volume opens with the basic foundation accidence covering the physiology, growth and structure of hair. Forensic specific aspects of hair structure are then dealt with and a protocol for examination is presented. The remaining chapters deal with non microscopy approaches to hair examination covering historical and contemporary knowledge. These chapters include biochemical approaches to hair examination,

Forensic Human Identification

Author : Tim Thompson
Publisher : CRC Press
ISBN 13 : 1420005715
Total Pages : 544 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Forensic Human Identification by : Tim Thompson

Download or read book Forensic Human Identification written by Tim Thompson and published by CRC Press. This book was released on 2006-11-14 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: Identity theft, criminal investigations of the dead or missing, mass disasters both by natural causes and by criminal intent with this as our day to day reality, the establishment and verification of human identity has never been more important or more prominent in our society. Maintaining and protecting the integrity of out identity has reached

Molecular Biology of The Cell

Author : Bruce Alberts
Publisher :
ISBN 13 : 9780815332183
Total Pages : 0 pages
Book Rating : 4.3/5 (321 download)

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Book Synopsis Molecular Biology of The Cell by : Bruce Alberts

Download or read book Molecular Biology of The Cell written by Bruce Alberts and published by . This book was released on 2002 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Hair Analysis in Clinical and Forensic Toxicology

Author : Pascal Kintz
Publisher : Academic Press
ISBN 13 : 0128017104
Total Pages : 391 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Hair Analysis in Clinical and Forensic Toxicology by : Pascal Kintz

Download or read book Hair Analysis in Clinical and Forensic Toxicology written by Pascal Kintz and published by Academic Press. This book was released on 2015-06-25 with total page 391 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hair Analysis in Clinical and Forensic Toxicology is an essential reference for toxicologists working with, and researching, hair analysis. The text presents a review of the most up-to-date analytical methods in toxicological hair analysis, along with state-of-the-art developments in the areas of hair physiology, sampling, and pre-treatments, as well as discussions of fundamental issues, applications, and results interpretation. Topics addressed include the diagnosis of chronic excessive alcohol drinking by means of ethyl glucuronide (EtG) and fatty acid ethyl esters (FAEE), the early detection of new psychoactive substances, including designer drugs, the development of novel approaches to screening tests based on mass spectrometry, and the detection of prenatal exposure to psychoactive substances from the analysis of newborn hair. Unites an international team of leading experts to provide an update on the cutting-edge advances in the toxicological analysis of hair Demonstrates toxicological techniques relating to a variety of scenarios and exposure types Ideal resource for the further study of the psychoactive substances, drug-facilitated crimes, ecotoxicology, analytical toxicology, occupational toxicology, toxicity testing, and forensic toxicology Includes detailed instructions for the collection, preparation, and handling of hair, and how to best interpret results

Handbook of Analytical Therapeutic Drug Monitoring and Toxicology (1996)

Author : Steven H.Y. Wong
Publisher : CRC Press
ISBN 13 : 1351364286
Total Pages : 367 pages
Book Rating : 4.3/5 (513 download)

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Book Synopsis Handbook of Analytical Therapeutic Drug Monitoring and Toxicology (1996) by : Steven H.Y. Wong

Download or read book Handbook of Analytical Therapeutic Drug Monitoring and Toxicology (1996) written by Steven H.Y. Wong and published by CRC Press. This book was released on 2017-11-22 with total page 367 pages. Available in PDF, EPUB and Kindle. Book excerpt: Adapting modern advances in analytical techniques to daily laboratory practices challenges many toxicologists, clinical laboratories, and pharmaceutical scientists. The Handbook of Analytical Therapeutic Drug Monitoring and Toxicology helps you keep abreast of the innovative changes that can make your laboratory - and the studies undertaken in it - a success. This volume simplifies your search for appropriate techniques, describes recent contributions from leading investigators, and provides valuable evaluations and advice.

Analytical and Practical Aspects of Drug Testing in Hair

Author : Pascal Kintz
Publisher : CRC Press
ISBN 13 : 1420006193
Total Pages : 382 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Analytical and Practical Aspects of Drug Testing in Hair by : Pascal Kintz

Download or read book Analytical and Practical Aspects of Drug Testing in Hair written by Pascal Kintz and published by CRC Press. This book was released on 2006-08-30 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many advances have been made since the publication of Drug Testing in Hair. The mid-1990s witnessed the progress in cannabis detection while the late 1990s focused on benzodiazepines detection and the applications in doping control. In more recent years, toxicologists centered on the detection in hair of a single exposure and the related applicatio

Journal of Forensic Sciences

Author :
Publisher :
ISBN 13 :
Total Pages : 568 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Journal of Forensic Sciences by :

Download or read book Journal of Forensic Sciences written by and published by . This book was released on 1996 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes papers read at the Academy's annual meeting previously published separately as: Proceedings of the American Academy of Forensic Sciences.

Forensic Science Review

Author :
Publisher :
ISBN 13 :
Total Pages : 314 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Forensic Science Review by :

Download or read book Forensic Science Review written by and published by . This book was released on 1997 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific Evidence

Author : Paul C. Giannelli
Publisher : Lexis Law Publishing (Va)
ISBN 13 :
Total Pages : 920 pages
Book Rating : 4.:/5 (51 download)

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Book Synopsis Scientific Evidence by : Paul C. Giannelli

Download or read book Scientific Evidence written by Paul C. Giannelli and published by Lexis Law Publishing (Va). This book was released on 1999 with total page 920 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Cumulated Index Medicus

Author :
Publisher :
ISBN 13 :
Total Pages : 1836 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Cumulated Index Medicus by :

Download or read book Cumulated Index Medicus written by and published by . This book was released on 2000 with total page 1836 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Biophysics of Human Hair

Author : Bharat Bhushan
Publisher : Springer Science & Business Media
ISBN 13 : 364215901X
Total Pages : 192 pages
Book Rating : 4.6/5 (421 download)

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Book Synopsis Biophysics of Human Hair by : Bharat Bhushan

Download or read book Biophysics of Human Hair written by Bharat Bhushan and published by Springer Science & Business Media. This book was released on 2010-11-25 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the biophysics of hair. It covers the structure of hair, its mechanical properties, nanomechanical characterization, tensile deformation, tribological characterization, the thickness distribution and binding interactions on hair surface.

Proceedings of Laser Surgery

Author :
Publisher :
ISBN 13 :
Total Pages : 500 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Proceedings of Laser Surgery by :

Download or read book Proceedings of Laser Surgery written by and published by . This book was released on 2002 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Concepts of Biology

Author : Samantha Fowler
Publisher :
ISBN 13 : 9789888407453
Total Pages : 618 pages
Book Rating : 4.4/5 (74 download)

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Book Synopsis Concepts of Biology by : Samantha Fowler

Download or read book Concepts of Biology written by Samantha Fowler and published by . This book was released on 2018-01-07 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt: Concepts of Biology is designed for the single-semester introduction to biology course for non-science majors, which for many students is their only college-level science course. As such, this course represents an important opportunity for students to develop the necessary knowledge, tools, and skills to make informed decisions as they continue with their lives. Rather than being mired down with facts and vocabulary, the typical non-science major student needs information presented in a way that is easy to read and understand. Even more importantly, the content should be meaningful. Students do much better when they understand why biology is relevant to their everyday lives. For these reasons, Concepts of Biology is grounded on an evolutionary basis and includes exciting features that highlight careers in the biological sciences and everyday applications of the concepts at hand.We also strive to show the interconnectedness of topics within this extremely broad discipline. In order to meet the needs of today's instructors and students, we maintain the overall organization and coverage found in most syllabi for this course. A strength of Concepts of Biology is that instructors can customize the book, adapting it to the approach that works best in their classroom. Concepts of Biology also includes an innovative art program that incorporates critical thinking and clicker questions to help students understand--and apply--key concepts.

Toxicological Aspects of Drug-Facilitated Crimes

Author : Pascal Kintz
Publisher : Elsevier
ISBN 13 : 0124169694
Total Pages : 307 pages
Book Rating : 4.1/5 (241 download)

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Book Synopsis Toxicological Aspects of Drug-Facilitated Crimes by : Pascal Kintz

Download or read book Toxicological Aspects of Drug-Facilitated Crimes written by Pascal Kintz and published by Elsevier. This book was released on 2014-03-22 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: Toxicological Aspects of Drug-Facilitated Crimes provides readers with an overview of the field of DFC: its history, toxicological effects, analysis, interpretation of results, the roles that age, gender and race may play, and clinical presentations of these drugs. The most commonly used drugs in DFC are addressed (alcohol, cannabis, MDMA, and cocaine), as well as an emerging range of pharmaceuticals (benzodiazepines, hypnotics, sedatives, neuroleptics, histamine H1-antagonists, or anesthetics), which are becoming more widely used, but are more difficult to detect. Edited by a world-renowned expert in the field of Forensic and Analytical Toxicology, Pascal Kintz, this book investigates toxicants of emerging concern and brings together a number of experts in the field to address the most recent discoveries on DFC toxicology. Brings together the latest research on the toxicological analysis of drug-facilitated crimes (DFC), with real-life case studies Provides up-to-date analytical techniques for determining toxicity levels in blood, urine, and hair Covers all types of toxicants involved in DFC, including alcohol, cannabis, MDMA, and a wide variety of pharmaceuticals

Baran and Dawber's Diseases of the Nails and their Management

Author : Robert Baran
Publisher : John Wiley & Sons
ISBN 13 : 0470694831
Total Pages : 656 pages
Book Rating : 4.4/5 (76 download)

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Book Synopsis Baran and Dawber's Diseases of the Nails and their Management by : Robert Baran

Download or read book Baran and Dawber's Diseases of the Nails and their Management written by Robert Baran and published by John Wiley & Sons. This book was released on 2008-04-30 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new edition brings together five leading authorities in nail surgery in this well established and definitive textbook. The entire text is extended in this edition, and particular emphasis is placed on the advances in treatments that have taken place in recent years. Considerable strides have been made in the treatment of fungal diseases (onychomycoses) with the appearance of new therapeutic agents. There is also much greater coverage of nail surgery to reflect the increasing involvement of the dermatologist in this field. The section on nail tumours has also been expanded. Drs Baran and Dawber have been joined by David de Berker, Eckhart Haneke and Antonella Tosti on the editorial team. This move is representative of the major European contribution to the field of nail surgery in recent years. Significant contribution has come from Dr Elvin Zook, the eminent American hand surgeon, who has helped to ensure that the book is as relevant in North America as it is in Europe.