Impurity
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Measuring Elemental Impurities in Pharmaceuticals
Author | : Robert Thomas |
Publsiher | : CRC Press |
Total Pages | : 474 |
Release | : 2018-01-29 |
Genre | : Medical |
ISBN | : 9781351984409 |
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Recent regulations on heavy metal testing have required the pharmaceutical industry to monitor a suite of elemental impurities in pharmaceutical raw materials, drug products and dietary supplements. These new directives s are described in the new United States Pharmacopeia (USP) Chapters , , and , together with Q3D, Step 4 guidelines for elemental impurities, drafted by the ICH (International Conference on Harmonization of Technical Requirements for Registration of Pharmaceuticals for Human Use), a consortium of global pharmaceutical associations, including the European Pharmacopeia (Ph.Eur.), the Japanese Pharmacopeia (JP) and the USP. This book provides a complete guide to the analytical methodology, instrumental techniques and sample preparation procedures used for measuring elemental impurities in pharmaceutical and nutraceutical materials. It offers readers the tools to better understand plasma spectrochemistry to optimize detection capability for the full suite of elemental PDE (Permitted Daily Exposure) levels in the various drug delivery categories. Other relevant information covered in the book includes: The complete guide to measuring elemental impurities in pharmaceutical and nutraceutical materials. Covers heavy metals testing in the pharmaceutical industry from an historical perspective. Gives an overview of current USP Chapters and and ICH Q3D Step 4 Guidelines. Explains the purpose of validation protocols used in Chapter , including how J-values are calculated Describes fundamental principles and practical capabilities of ICP-MS and ICP-OES. Offers guidelines about the optimum strategy for risk assessment Provides tips on how best to prepare and present your data for regulatory inspection. An indispensable resource, the fundamental principles and practical benefits of ICP-OES and ICP-MS are covered in a reader-friendly format that a novice, who is carrying out elemental impurities testing in the pharmaceutical and nutraceutical communities, will find easy to understand.
Impurity and Gender in the Hebrew Bible
Author | : Elizabeth W. Goldstein |
Publsiher | : Lexington Books |
Total Pages | : 148 |
Release | : 2015-09-17 |
Genre | : Religion |
ISBN | : 9781498500814 |
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Impurity and Gender in the Hebrew Bible explores the role of female blood in the Hebrew Bible and considers its theological implications for future understandings of purity and impurity in the Jewish religion. Influenced by the work of Jonathan Klawans (Sin and Impurity in Ancient Judaism), and using the categories of ritual and moral impurities, this book analyzes the way in which these categories intersect with women and with the impurity of female blood, and reads the biblical foundations of purity and blood taboos with a feminist lens. Ultimately, the purpose of this book is to understand the intersection between impurity and gender, figuratively and non-figuratively, in the Hebrew Bible. Goldstein traces this intersection from the years 1000 BCE-250 BCE and ends with a consideration of female impurity in the literature of Qumran.
Impurity and Sin in Ancient Judaism
Author | : Jonathan Klawans |
Publsiher | : Oxford University Press |
Total Pages | : 256 |
Release | : 2000-11-16 |
Genre | : Religion |
ISBN | : 9780190285241 |
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This book examines the ways in which two distinct biblical conceptions of impurity-"ritual" and "moral"-were interpreted in the Hebrew Bible, the Dead Sea Scrolls, rabbinic literature, and the New Testament. In examining the evolution of ancient Jewish attitudes towards sin and defilement, Klawans sheds light on a fascinating but previously neglected topic.
Gentile Impurities and Jewish Identities
Author | : Christine Elizabeth Hayes |
Publsiher | : Oxford University Press, USA |
Total Pages | : 324 |
Release | : 2002 |
Genre | : Conversion |
ISBN | : 9780195151206 |
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This text explores the diverse views of Gentile impurity found in Second Temple and rabbinic sources. Christine Hayes seeks to to determine the role such views played in the rise and development of sectarianism within late antique society and in the regulation of Jewish-Gentile interactions.
Impurity Scattering in Metallic Alloys
Author | : Joginder Singh Galsin |
Publsiher | : Springer Science & Business Media |
Total Pages | : 558 |
Release | : 2002 |
Genre | : Science |
ISBN | : 0306465744 |
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Theoretical understanding of electronic properties of metallic alloys is of great importance from both fundamental and technological points of view.
Pharmaceutical Industry Practices on Genotoxic Impurities
Author | : Heewon Lee |
Publsiher | : CRC Press |
Total Pages | : 536 |
Release | : 2014-08-29 |
Genre | : Medical |
ISBN | : 9781439874219 |
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A great deal of confusion and uncertainty over genotoxic impurity (GTI) identification, assessment, and control exists in the pharmaceutical industry today. Pharmaceutical Industry Practices on Genotoxic Impurities strives to facilitate scientific and systematic consensus on GTI management by presenting rationales, strategies, methods, interpretati
Analysis of Drug Impurities
Author | : Richard J. Smith,Michael L. Webb |
Publsiher | : John Wiley & Sons |
Total Pages | : 288 |
Release | : 2008-04-15 |
Genre | : Science |
ISBN | : 9780470994221 |
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A key component of the overall quality of a pharmaceutical is control of impurities, as their presence, even in small amounts, may affect drug safety and efficacy. The identification and quantification of impurities to acceptable standards presents a significant challenge to the analytical chemist. Analytical science is developing rapidly and provides increasing opportunity to identify the structure, and therefore the origin and safety implications of these impurities, and the challenges of their measurement drives the development of modern quantitative methods. Written for both practicing and student analytical chemists, Analysis of Drug Impurities provides a detailed overview of the challenges and the techniques available to permit accurate identification and quantification of drug impurities.
Mutagenic Impurities
Author | : Andrew Teasdale |
Publsiher | : John Wiley & Sons |
Total Pages | : 548 |
Release | : 2022-02-15 |
Genre | : Medical |
ISBN | : 9781119551218 |
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Learn to implement effective control measures for mutagenic impurities in pharmaceutical development In Mutagenic Impurities: Strategies for Identification and Control, distinguished chemist Andrew Teasdale delivers a thorough examination of mutagenic impurities and their impact on the pharmaceutical industry. The book incorporates the adoption of the ICH M7 guideline and focuses on mutagenic impurities from both a toxicological and analytical perspective. The editor has created a primary reference for any professional or student studying or working with mutagenic impurities and offers readers a definitive narrative of applicable guidelines and practical, tested solutions. It demonstrates the development of effective control measures, including chapters on the purge tool for risk assessment. The book incorporates a discussion of N-Nitrosamines which was arguably the largest mutagenic impurity issue ever faced by the pharmaceutical industry, resulting in the recall of Zantac and similar drugs resulting from N-Nitrosamine contamination. Readers will also benefit from the inclusion of: A thorough introduction to the development of regulatory guidelines for mutagenic and genotoxic impurities, including a historical perspective on the development of the EMEA guidelines and the ICH M7 guideline An exploration of in silico assessment of mutagenicity, including use of structure activity relationship evaluation as a tool in the evaluation of the genotoxic potential of impurities A discussion of a toxicological perspective on mutagenic impurities, including the assessment of mutagenicity and examining the mutagenic and carcinogenic potential of common synthetic reagents Perfect for chemists, analysts, and regulatory professionals, Mutagenic Impurities: Strategies for Identification and Control will also earn a place in the libraries of toxicologists and clinical safety scientists seeking a one-stop reference on the subject of mutagenic impurity identification and control.