英文醫學期刊翻譯~英翻中~急

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Ectoine minimizes the denaturation that occurs on the removal of water molecules by making the unfolding less favorable.6 In addition, hydroxyectoine, with its OH group, can at least partly replace those water molecules lost from the hydrate shell (replacement hypothesis); in this way, the native structure of the biopolymers can be further stabilized. Compatible solutes are amphiphilic in nature and capable of wetting” hydrophobic proteins, thus improving their hydration capability.7 The structure-forming and breaking properties of compatible solutes indirectly influence the hydration shells and thus the activities of the proteins involved.8

In this way, halophilic organisms and other bacteria use ectoine to protect their cytoplasmic biomolecules against heat, freezing, dryness, and osmotic stress.9 Ectoine and hydroxyectoine can be isolated from halophilic bacteria on a large scale and thus are available as active ingredients for skin care.10

The protective properties of ectoine, formerly described only for microorganisms, could be transferred to human skin. Human skin is situated at the interface of the organism and its environment and therefore is exposed to a variety of environmental assaults. The stratum corneum in particular provides a barrier to the evaporation of water from the viable epidermis. Many factors work to compromise this barrier and increase the rate of water loss from the skin. Exposure to extreme environmental conditions, including cold, dry winter weather, frequent washing with soap and hot water, or the exposure to surfactants, may cause skin dryness. In addition to dryness, the cumulative effect of external factors, such as radiation, wind, and temperature extremes, leads to accelerated skin aging.11,12

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  • 1 decade ago
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    Ectoine最小變性是發生在消除水分子,使開展較少favorable.6此外, hydroxyectoine ,其OH基團,至少可以部分地取代了水分子的水合物殼牌(替代假說) ;在這這樣,本地的生物聚合物的結構,可以進一步穩定下來。相容溶質的雙親性質,並能潤濕“疏水性蛋白質,從而改善其水化capability.7結構的形成和性能的兼容打破間接影響溶質的水化砲彈,從而使活動的蛋白質involved.8

    2008-12-29 13:02:39 補充:

    通過這種方式,嗜鹽細菌和其他生物體使用ectoine保護其細胞質生物分子對熱,冷凍,乾燥,並滲透stress.9 Ectoine和hydroxyectoine可以分離出嗜鹽菌大規模,從而可作為活性成分的皮膚care.10

    Source(s): Google翻譯, Google翻譯
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