The Biochemistry of Alkaloids


Book Description

The alkaloids were of great importance to mankind for centuries, long before they were recognized as a chemical class. The influence they have had on literature is hinted at by some of the quotations I have used as chapter headings. Their in fluence on folklore and on medicine has been even greater. The scientific study of alkaloids may be said to have begun with the isolation of morphine by SERTURNER in 1804. Since that time they have remained of great interest to chemists, and now in any month there appear dozens of publications dealing with the isolation of new alkaloids or the determination of the structures of previously known ones. The area of alkaloid biochemistry, in comparison, has received little attention, and today is much less developed. There is a certain amount of personal arbitrariness in defining "biochemistry", as there is in defining "alkaloid", and this arbitrariness is doubtless compounded by the combination. Nevertheless, it seems to me that in any consideration of the bio chemistry of a group of compounds three aspects are always worthy of attention pathways of biosynthesis, function or activity, and pathways of degradation. For the alkaloids, treatment of these three aspects is necessarily lopsided. Much has been learned about routes of biosynthesis, but information on the other aspects is very scanty. It would be possible to enter into some speculation regarding the biosyn thesis of all the more than 1,000 known alkaloids.




Medicinal Herbs in Primary Care - E-Book


Book Description

Written specifically for the conventional medical healthcare provider, Medicinal Herbs in Primary Care forms an integral part of the primary care tool belt. Through a series of system-based disease tables, this unique title provides quick, authoritative guidance for the busy practitioner whose patient is requesting guidance on medicinal herbs. The disease tables are supported by herbal monographs that provide expanded details of the available preclinical and clinical evidence laid out in a system-based sequence. Together with the section on herbal basics, this practical reference contains the information today's medical healthcare providers need to develop familiarity with and confidence in the prescription of medicinal herbs. - Provides quick answers and evidence-based prescribing guidance for medicinal herbs while also addressing complexities and co-morbidities in patient care. - Features 48 system-based disease tables that identify herbs based on strength of evidence and indicate the scope of potential benefits for other conditions the patient may have. - Includes 55 monographs for the most common medicinal herbs, with safety and precaution guidelines, summaries of preclinical and clinical trials, chemical constituents and actions, and prescription options for each. - Contains an introductory section on the basics of medicinal herbs that dispels common misconceptions regarding herbal medicine. - Discusses key topics such as herb-drug interactions, and includes information on SARS-COV-2 where appropriate. - Uses typical medical abbreviations throughout for ease of use, and provides a glossary of terms for non-medical and alternative health care providers. - Helps conventional medical practitioners partner with patients to determine safe herbal options when appropriate, and ensure safety and efficacy of herbal use.




Organic Corrosion Inhibitors


Book Description

Provides comprehensive coverage of organic corrosion inhibitors used in modern industrial platforms, including current developments in the design of promising classes of organic corrosion inhibitors Corrosion is the cause of significant economic and safety-related problems that span across industries and applications, including production and processing operations, transportation and public utilities infrastructure, and oil and gas exploration. The use of organic corrosion inhibitors is a simple and cost-effective method for protecting processes, machinery, and materials while remaining environmentally acceptable. Organic Corrosion Inhibitors: Synthesis, Characterization, Mechanism, and Applications provides up-to-date coverage of all aspects of organic corrosion inhibitors, including their fundamental characteristics, synthesis, characterization, inhibition mechanism, and industrial applications. Divided into five sections, the text first covers the basics of corrosion and prevention, experimental and computational testing, and the differences between organic and inorganic corrosion inhibitors. The next section describes various heterocyclic and non-heterocyclic corrosion inhibitors, followed by discussion of the corrosion inhibition characteristics of carbohydrates, amino acids, and other organic green corrosion inhibitors. The final two sections examine the corrosion inhibition properties of carbon nanotubes and graphene oxide, and review the application of natural and synthetic polymers as corrosion inhibitors. Featuring contributions by leading researchers and scientists from academia and industry, this authoritative volume: Discusses the latest developments and issues in the area of corrosion inhibition, including manufacturing challenges and new industrial applications Explores the development and implementation of environmentally-friendly alternatives to traditional toxic corrosion inhibitors Covers both established and emerging classes of corrosion inhibitors as well as future research directions Describes the anticorrosive mechanisms and effects of acyclic, cyclic, natural, and synthetic corrosion inhibitors Offering an interdisciplinary approach to the subject, Organic Corrosion Inhibitors: Synthesis, Characterization, Mechanism, and Applications is essential reading for chemists, chemical engineers, researchers, industry professionals, and advanced students working in fields such as corrosion inhibitors, corrosion engineering, materials science, and applied chemistry.




Total Chemical Synthesis of Proteins


Book Description

How to synthesize native and modified proteins in the test tube With contributions from a panel of experts representing a range of disciplines, Total Chemical Synthesis of Proteins presents a carefully curated collection of synthetic approaches and strategies for the total synthesis of native and modified proteins. Comprehensive in scope, this important reference explores the three main chemoselective ligation methods for assembling unprotected peptide segments, including native chemical ligation (NCL). It includes information on synthetic strategies for the complex polypeptides that constitute glycoproteins, sulfoproteins, and membrane proteins, as well as their characterization. In addition, important areas of application for total protein synthesis are detailed, such as protein crystallography, protein engineering, and biomedical research. The authors also discuss the synthetic challenges that remain to be addressed. This unmatched resource: Contains valuable insights from the pioneers in the field of chemical protein synthesis Presents proven synthetic approaches for a range of protein families Explores key applications of precisely controlled protein synthesis, including novel diagnostics and therapeutics Written for organic chemists, biochemists, biotechnologists, and molecular biologists, Total Chemical Synthesis of Proteins provides key knowledge for everyone venturing into the burgeoning field of protein design and synthetic biology.




Plant Adaptation to Environmental Change


Book Description

Plants constantly cope with unfavourable ecosystem conditions, which often prevent them reaching their full genetic potential in terms of growth, development and productivity. This book covers plants' responses to these environmental changes, namely, the modulation of amino acids, peptides and amines to combat both biotic and abiotic stress factors. Bringing together the most recent developments, this book is an important resource for researchers and students of crop stress and plant physiology.




Chemistry and Biochemistry of the Amino Acids


Book Description

Amino acids are featured in course syllabuses and in project and research work over a wide spectrum of subject areas in chemistry and biology. Chemists and biochemists using amino acids have many common needs when they turn to the literature for comprehensive information. Among these common interests, analytical studies, in particular, have undergone rapid development in recent years. All other chemical and biochemical aspects of amino acids - synthesis, properties and reactions, preparation of derivatives for use in peptide synthesis, racemization and other fundamental mechanistic knowledge - have been the subject of vigorous progress. This book offers a thorough treatment of all these developing areas, and is structured in the belief that biochemists, physiologists and others will profit from access to information on topics such as the physical chemistry of amino acid solutions, as well as from thorough coverage of amino acid metabolism, biosynthesis and enzyme inhibition; and that chemists will find relevant material in biological areas as well as in the analysis, synthesis and reactions of amino acids.




Enantioselective Synthesis of Beta-Amino Acids


Book Description

Covers all facets of the synthesis of ß-amino acids As evidenced by an exponential increase in the literature published on the subject, interest in ß-amino acids has grown over the past several years. With major pharmaceutical applications, these amino acids are now studied across multiple lines of research, including combinatorial chemistry, medicinal chemistry, molecular design, proteomics, and others. This Second Edition of Enantioselective Synthesis of ß-Amino Acids updates reviews included in the First Edition while also covering new developments since its publication. The book presents detailed discussions of the most important methods for the synthesis of ß-amino acids. In most cases, the lead chemist who originally developed a method provides an authoritative description of it. In addition, Enantioselective Synthesis of ß-Amino Acids, Second Edition: * Features introductory overviews on the structural types of relevant ß-amino acid targets and salient ß-amino acids present in natural products * Dedicates several chapters to advances in the synthesis of oligomers from ß-amino acids * Includes general and practical procedures for the preparation of ß-amino acids in each chapter * Discusses the most important methods that have been recently developed for the asymmetric synthesis of cyclic and open-chain ß-amino acids * Includes a report on the preparation of libraries of enantiopure ß-amino acids using combinatorial approaches The only book of its kind available today, Enantioselective Synthesis of ß-Amino Acids, Second Edition offers upper-level students and professionals an essential resource for pharmaceutical development, medicinal chemistry, and biochemistry.




Organic Chemistry Study Guide


Book Description

Organic Chemistry Study Guide: Key Concepts, Problems, and Solutions features hundreds of problems from the companion book, Organic Chemistry, and includes solutions for every problem. Key concept summaries reinforce critical material from the primary book and enhance mastery of this complex subject. Organic chemistry is a constantly evolving field that has great relevance for all scientists, not just chemists. For chemical engineers, understanding the properties of organic molecules and how reactions occur is critically important to understanding the processes in an industrial plant. For biologists and health professionals, it is essential because nearly all of biochemistry springs from organic chemistry. Additionally, all scientists can benefit from improved critical thinking and problem-solving skills that are developed from the study of organic chemistry. Organic chemistry, like any "skill", is best learned by doing. It is difficult to learn by rote memorization, and true understanding comes only from concentrated reading, and working as many problems as possible. In fact, problem sets are the best way to ensure that concepts are not only well understood, but can also be applied to real-world problems in the work place. - Helps readers learn to categorize, analyze, and solve organic chemistry problems at all levels of difficulty - Hundreds of fully-worked practice problems, all with solutions - Key concept summaries for every chapter reinforces core content from the companion book




Amino Acids in Higher Plants


Book Description

Amino acids play a role in the defence mechanisms and stress responses of plants, as well as in food quality and safety for humans and animals. Recent advances in the field make a comprehensive overview of the information a necessity; this book collates chapters on plant enzymes and metabolism, modulation, molecular aspects and secondary products. Also including information on ecology, the environment and mammalian nutrition and toxicology, it provides an authoritative resource.