Results 231 to 240 of about 1,260,577 (268)
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Natural Product Reports, 2008
Since the 1990s, interest in natural product research has increased considerably. Following several outstanding developments in the areas of separation methods, spectroscopic techniques, and sensitive bioassays, natural product research has gained new attention for providing novel chemical entities. This updated review deals with sample preparation and
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Since the 1990s, interest in natural product research has increased considerably. Following several outstanding developments in the areas of separation methods, spectroscopic techniques, and sensitive bioassays, natural product research has gained new attention for providing novel chemical entities. This updated review deals with sample preparation and
openaire +3 more sources
Transactions of the Royal Society of Tropical Medicine and Hygiene, 1994
Higher plants, many of which are threatened with extinction, are used as sources of pharmaceuticals and as ingredients of traditional medicines and are of value in new drug discovery. Artemisinin, taxol and camptothecin are examples of natural products which are undergoing clinical and commercial development.
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Higher plants, many of which are threatened with extinction, are used as sources of pharmaceuticals and as ingredients of traditional medicines and are of value in new drug discovery. Artemisinin, taxol and camptothecin are examples of natural products which are undergoing clinical and commercial development.
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The Polypharmacology of Natural Products
Future Medicinal Chemistry, 2018The once-popular approach of using natural products as a prime source for medicinal chemistry and drug discovery has waned considerably in the past two decades due to the advent of high-throughput screening of small molecule mega libraries. However, the growing appreciation of network pharmacology as the next drug-discovery paradigm suggests that ...
Tu T, Ho +2 more
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Natural products as photoprotection
Journal of Cosmetic Dermatology, 2015SummaryThe rise in solar ultraviolet radiation on the earth's surface has led to a depletion of stratospheric ozone over recent decades, thus accelerating the need to protect human skin against the harmful effects of UV radiation such as erythema, edema, hyperpigmentation, photoaging, and skin cancer.
Nisakorn Saewan, Ampa Jimtaisong
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Hydroxylamine natural products
Natural products containing the hydroxylamine group are discussed. These include acyclic hydroxylamines, isoxazolidines, 1,2-oxazines, diketopiperazines, endocyclic hydroxylamines with larger ring sizes, N-hydroxy and N-methoxypyrroles, -indoles, -carbazoles and -carbolines, pyridones, other rings with an exocyclic hydroxylamine, O-acylhydroxylamines ...Roderick W, Bates +2 more
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Marxism and the Production of Nature
Capital & Class, 2000This essay surveys a century of debate on the Marx-nature question. It seeks to expose, critique and reformulate a set of foundational assumptions which, it is argued, have informed this debate. Three main arguments are put forward. First, it is suggested that successive attempts to expound a Marxian theory of nature have see-sawed between naturalistic
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Toxicology of natural products
Food and Cosmetics Toxicology, 1965Summary The difficulties are discussed of correlating chronic ‘diseases’, especially those encountered in the tropics and subtropics, with the ingestion of natural toxic materials, whether of plant, microbial or animal origin. Chronic conditions, such as tumours, goitres, embryopathies, haematological and neurological disorders might possibly be ...
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“Cofactors” for Natural Products
ChemMedChemAbstractCofactors are non‐protein entities necessary for proteins to operate. They provide “functional groups” beyond those of the 20 canonical amino acids and enable proteins to carry out more diverse functions. Such a viewpoint is rarely mentioned, if at all, when it comes to natural products and is the theme of this Concept.
Shao‐Lun Chiou +2 more
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Demystifying racemic natural products in the homochiral world
Nature Reviews Chemistry, 2022Gabin Bitchagno +2 more
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