Xem 1-15 trên 15 kết quả Biotransformation
  • When I was approached by Wiley to edit a book on ionic liquids in biotransformations and organocatalysis, the spontaneous question that quickly came to my mind was, is there a gap for such a book ? The fi eld of ionic liquids applied to biotransformations and organocatalysis has developed enormously during the last two decades. Therefore, the realization of a book that could gather, categorize, and provide an updated and complete state - of - the - art in these areas was clearly a demand.

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  • Explain the role of biotransformation in toxicokinetics. • Describe how biotransformation facilitates elimination of toxicants. • Distinguish between Phase I and Phase II reactions. • Define bioactivation or toxication.

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  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Critical Care giúp cho các bạn có thêm kiến thức về ngành y học đề tài: Biotransformation of ginsenosides Rb1, Rg3 and Rh2 in rat gastrointestinal tracts...

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  • We live in the age of biology—the human and many other organisms’ genomes have been sequenced and we are starting to understand the function of the metabolic machinery responsible for life on our planet. Thousands of new genes have been discovered, many of these coding for enzymes of yet unknown function. Understanding the kinetic behavior of an enzyme provides clues to its possible physiological role. From a biotechnological point of view, knowledge of the catalytic properties of an enzyme is required for the design of immobilized enzyme-based industrial processes.

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  • Lên men là một quá trình biến đổi sinh học (biotransformation) sử dụng các vi sinh vật. Bài tiểu luận Lên men propionic trình bày với bạn đọc về định nghĩa lên men, định nghĩa acid propionic, lên men propionic, ứng dụng của lên men propionic. Mời bạn đọc cùng tham khảo.

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  • oncerns with ionic liquids are one of the most interesting and rapidly developing areas in modern physical chemistry, materials science, technologies, and engineering. Increasing attention has also been paid to the use of ionic liquids in the research fields of biological aspects and natural resources. This book provides the forum for dissemination and exchange of up-to-date scientific information on theoretical, generic, and applied areas of ionic liquids.

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  • There is a commonly held myth in our society that anything that is “natural” is good, wholesome, and healthful, whereas anything that is “synthetic” is bad, toxic, and harmful. The mere mention of the word chemical is enough to strike terror into the heart of any food faddist. This attitude is, at best, naïve and, at worst, dangerous.

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  • This volume, of a two volume set on ionic liquids, focuses on the applications of ionic liquids in a growing range of areas. Throughout the 1990s, it seemed that most of the attention in the area of ionic liquids applications was directed toward their use as solvents for organic and transition-metal-catalyzed reactions. Certainly, this interest continues on to the present date, but the most innovative uses of ionic liquids span a much more diverse field than just synthesis.

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  • Bioavailability, Biotransformation, and Fate of Organic Contaminants in Estuarine Animals - Một thành phần quan trọng của nghiên cứu đánh giá rủi ro sinh thái trong các đại dương và cửa sông bao gồm các đặc tính của sự tiếp xúc của động vật cửa sông để chất gây ô nhiễm. Dữ liệu về sinh khả dụng, sự thu hút, tích tụ, và loại bỏ

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  • The seventh edition of Casarett and Doull’s Toxicology: The Basic Science of Poisons, as the previous six, is meant to serve primarily as a text for, or an adjunct to, graduate courses in toxicology. Because the six previous editions have been widely used in courses in environmental health and related areas, an attempt has been made to maintain those characteristics that make it useful to scientists from other disciplines.

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  • Lipases find promising applications in organic chemical processing, detergent formula- tions, synthesis of biosurfactants, the oleochemical industry, the dairy industry, the agro- chemical industry, paper manufacture, nutrition, cosmetics, and pharmaceutical processing. Development of lipase-based technologies for the synthesis of novel compounds is rapidly expanding the uses of these enzymes (Liese et al., 2000). One limiting factor is a shortage of lipases having the specific required processing characteristics.

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  • Define ecological biochemistry. • Explain biochemical adaptation and the roles of secondary compounds. • Describe detoxification and the primary metabolic pathways in plants and animals. • Explain the key processes and factors involved in biotransformation & biodegradation. • Explain the concepts of sequestration, bioaccumulation, and biomagnification. • Contrast different forms of ecological biochemical interaction.

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  • Cytochrome P450 enzymes promote a number of oxidative biotransformations including the hydroxylation of unacti-vated hydrocarbons.

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  • In order to understand the roles of the epoxide hydrolases (EHs) in xenobiotic biotransformation in insects, we exam-ined the induction of EHs by exogenous compounds in Drosophila melangasterthird instar larvae. Among the chemicals tested, clofibrate, a phenoxyacetate hypolipider-mics drug, increased EH activity towardscis-stilbene oxide approximately twofold in larval whole-body homogenates. The same dose of clofibrate also induced glutathione S-transferase activity.

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  • Only 2% of the known natural products with acetylenic bonds area-alkynoates. Their polarized, conjugated triple bond is an optimal target for an enzymic hydration. Therefore they are good substrates for the enzymes involved in metabolism of acetylenic compounds, resulting in products that are suitable for bacterial growth. We isolated a Pseudomonas putida strain growing on 2-butynedioate as well as on propynoate, and determined the metabolic pathways of these two a-alkynoates.

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