Studies on the Biosynthesis of Biotin
Author | : Howard Lee Elford |
Publisher | : |
Total Pages | : 342 |
Release | : 1963 |
Genre | : Biosynthesis |
ISBN | : |
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Author | : Howard Lee Elford |
Publisher | : |
Total Pages | : 342 |
Release | : 1963 |
Genre | : Biosynthesis |
ISBN | : |
Author | : Amitava Dasgupta |
Publisher | : Elsevier |
Total Pages | : 145 |
Release | : 2019-01-15 |
Genre | : Science |
ISBN | : 0128167416 |
Biotin and Other Interferences in Immunoassays: A Concise Guide is aimed at clinical laboratory scientists, medical technologists and pathologists who are often the first individuals contacted by a clinician when a laboratory test result does not correlate with clinical presentation. Research scientists working in diagnostics companies will also find this information essential. Sources of errors in non-immunoassay based methods used in clinical chemistry and toxicology laboratory are also discussed so readers can get all important information from one concise guide. This succinct, user-friendly reference provides the necessary information to address high levels of biotin in clinical laboratory results. - Discusses issues of biotin interferences and ways to avoid them for accurate clinical laboratory results - Provides sources of errors in non-immunoassay based methods used in clinical chemistry and toxicology laboratories - Highlights how to handle specimens in the lab and how to eliminate the effect of biotin in precious samples
Author | : Erick J. Vandamme |
Publisher | : Springer Science & Business Media |
Total Pages | : 440 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 9400911114 |
Vitamins and related growth factors belong to the few chemicals with a positive appeal to most people; the name evokes health, vitality, fitness, strength . . . . each one of us indeed needs his daily intake of vitamins, which should normally be provided via a balanced and varied diet. However, current food habits or preferences, or food processing and preservation methods do not always assure a sufficient natural daily vitamin supply, even for a healthy human being; this is all the more true for stressed or sick individuals. Although modern society is seldom confronted with the notorious avitaminoses of the past, they do still occur frequently in overpopulated and poverty- and famine-struck regions in many parts of the world. Apart from their in-vivo nutritional-physiological roles as growth factors for man, animals, plants and micro-organisms, vitamin compounds are now being introduced increasingly as food/feed additives, as medical-therapeutical agents, as health-aids, and also as technical aids. Indeed, today an impressive number of processed foods, feeds, cosmetics, pharmaceuticals and chemicals contain extra added vitamins or vitamin-related compounds, and single or multivitamin preparations are commonly taken or prescribed. These reflections do indicate that there is an extra need for vitamin supply, other than that provided from plant and animal food resources. Most added vitamins are indeed now prepared chemically and/or biotechnologically via fermentation/bioconversion processes. Similarly, other related growth factors, provitamins, vitamin-like com pounds, i. e.
Author | : S. Avrameas |
Publisher | : Elsevier Science & Technology |
Total Pages | : 428 |
Release | : 1983 |
Genre | : Medical |
ISBN | : |
Aandacht voor de enzymatische-immunocytochemie met de nadruk op intracellulaire penetratie van gelabelde antilichamen en de toepassing van "double staining"-methodes of monoclonale antilichamen in normale en in diverse experimentele of pathologische omstandigheden; kwantitatieve aspecten van immuno-enzymatische technieken, zoals nieuwe technische vindingen en toepassingen op verschillende gebieden, bijvoorbeeld biologie, humane en veterinaire geneeskunde, fytopathologie en experimentele ziekten
Author | : Martin Kohlmeier |
Publisher | : Elsevier |
Total Pages | : 841 |
Release | : 2003-10-01 |
Genre | : Medical |
ISBN | : 0080537898 |
Nutrient Metabolism defines the molecular fate of nutrients and other dietary compounds in humans, as well as outlining the molecular basis of processes supporting nutrition, such as chemical sensing and appetite control. It focuses on the presentation of nutritional biochemistry; and the reader is given a clear and specific perspective on the events that control utilization of dietary compounds. Slightly over 100 self-contained chapters cover all essential and important nutrients as well as many other dietary compounds with relevance for human health. An essential read for healthcare professionals and researchers in all areas of health and nutrition who want to access the wealth of nutrition knowledge available today in one single source.Key Features* Highly illustrated with relevant chemical structures and metabolic pathways* Foreword by Steven Zeisel, Editor-in-chief of the Journal of Nutritional Biochemistry* First comprehensive work on the subject
Author | : Erick J. Vandamme |
Publisher | : John Wiley & Sons |
Total Pages | : 580 |
Release | : 2016-04-25 |
Genre | : Science |
ISBN | : 3527337342 |
Vitamins are a group of physiologically very important, chemically quite complex organic compounds, that are essential for humans and animals. Some vitamins and other growth factors behave as antioxidants, while some can be considered as biopigments. As their chemical synthesis is laborious, their biotechnology-based synthesis and production via microbial fermentation has gained substantial interest within the last decades. Recent progress in microbial genetics and in metabolic engineering and implementation of innovative bioprocess technology has led to a biotechnology-based industrial production of many vitamins and related compounds. Divided into three sections, this volume covers: 1. water-soluble vitamins 2. fat-soluble vitamin compounds and 3. other growth factors, biopigments, and antioxidants. They are all reviewed systematically: from natural occurrence and assays, via biosynthesis, strain development, to industrially-employed biotechnological syntheses and applications.
Author | : Otto Geiger |
Publisher | : Springer |
Total Pages | : 0 |
Release | : 2019-01-29 |
Genre | : Science |
ISBN | : 9783319504292 |
Concise chapters, written by experts in the field, cover a wide spectrum of topics on lipid and membrane formation in microbes (Archaea, Bacteria, eukaryotic microbes).All cells are delimited by a lipid membrane, which provides a crucial boundary in any known form of life. Readers will discover significant chapters on microbial lipid-carrying biomolecules and lipid/membrane-associated structures and processes.
Author | : Christopher T. Walsh |
Publisher | : Royal Society of Chemistry |
Total Pages | : 787 |
Release | : 2017-04-28 |
Genre | : Science |
ISBN | : 1788010760 |
This textbook describes the types of natural products, the biosynthetic pathways that enable the production of these molecules, and an update on the discovery of novel products in the post-genomic era.
Author | : Saurabh Mehta |
Publisher | : CRC Press |
Total Pages | : 326 |
Release | : 2018-05-15 |
Genre | : Medical |
ISBN | : 1351058185 |
The world continues to lose more than a million lives each year to the HIV epidemic, and nearly two million individuals were infected with HIV in 2017 alone. The new Sustainable Development Goals, adopted by countries of the United Nations in September 2015, include a commitment to end the AIDS epidemic by 2030. Considerable emphasis on prevention of new infections and treatment of those living with HIV will be needed to make this goal achievable. With nearly 37 million people now living with HIV, it is a communicable disease that behaves like a noncommunicable disease. Nutritional management is integral to comprehensive HIV care and treatment. Improved nutritional status and weight gain can increase recovery and strength of individuals living with HIV/AIDS, improve dietary diversity and caloric intake, and improve quality of life. This book highlights evidence-based research linking nutrition and HIV and identifies research gaps to inform the development of guidelines and policies for the United Nations’ Sustainable Development Goals. A comprehensive approach that includes nutritional interventions is likely to maximize the benefit of antiretroviral therapy in preventing HIV disease progression and other adverse outcomes in HIV-infected men and women. Modification of nutritional status has been shown to enhance the quality of life of those suffering HIV/AIDS, both physically in terms of improved body mass index and immunological markers, and psychologically, by improving symptoms of depression. While the primary focus for those infected should remain on antiretroviral treatment and increasing its availability and coverage, improvement of nutritional status plays a complementary role in the management of HIV infection.
Author | : Olaf Stanger |
Publisher | : Springer Science & Business Media |
Total Pages | : 388 |
Release | : 2011-11-27 |
Genre | : Medical |
ISBN | : 9400721994 |
The discovery of vitamins in the early 1900s, their later chemical characterization and the clarification of pivotal metabolic functions are sequential aspects of a brilliant chapter in the history of modern nutritional sciences and medicine. The name, derived from “vital-amines”, indicates their elementary metabolic key functions in human metabolism. Vitamins are truly families of compounds, which include precursors and various free and bound forms, all with individual roles in metabolism and function. A more recent approach therefore searches for the components, the understanding of their roles in physiology and pathology as well as looking for novel pharmacological applications. When used properly, vitamins are, indeed, “magical” substances. Due to their efficacy, they should therefore be regarded as drugs with effects and side effects to be weighted against each other. Today, it is not the previously fatal deficiency-associated diseases that are in the focus of interest, but rather the relation of suboptimal vitamin bioavailability to chronic disease. This is complicated by genetic susceptibility, lifestyle, and the presence or absence of health-compromising habits, such as smoking. In turn, the development and application of new and more sensitive and specific assays further enable us to look more closely into the many functions of vitamins. Water soluble vitamins are complex molecular structures and even today, many areas in vitamin biochemistry are not yet fully understood. Novel effects and functions of vitamins remain and continue to be discovered. This book presents most recent research results and fascinating new knowledge on the role and effects of the water soluble vitamins in man. Some of the most distinguished chemists, biochemists, biologists and clinicians have contributed valuable chapters sharing unexpected novel insights into the biochemistry, (epi)genetics, metabolism, and function of water soluble vitamins, with their potential for clinical applications. Thus, physicians, clinicians, scientists, researchers, epidemiologists. nutritional specialists and health professionals alike will find stimulating and fascinating new insight in the many roles that water soluble vitamins play in human health and disease.