The absorption spectrum of the yellow substance shifted to that of 3-OH L-kynurenine (absorption maxima; 228, 267, and 368 nm) after hydrolysis with 尾-glucosidase [EC 3.2.1.21]. Concomitantly, its absorbances at 228 and 365 nm decreased; the spectra of both compounds intersect at 235, ...
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#动态#人犬尿氨酸(kynurenine)Elisa试剂盒使用说明书 产品详情 公司简介 公司评价 手机查看 手机查看 一键电话致商家 保存条件: 2-8℃ 数量: 99 保质期: 六个月 英文名称: Elisa Kit 用途: 科研实验使用 产地: 中国 品牌: 中国 包装规格: 96T 样本: 血清、血浆及相关液体样本 检测方法: Elis...
Comparative studies on eye colour mutants indicate that a first step in ommochrome synthesis is the binding of the precursor 3-OH-kynurenine to developing pigment granules. Both xanthommatin and ommin are present from the early beginning of eye differentiation, and exhibit different developmental ...
During the pharate pupal stage a massive accumulation of kynurenine and 3-OH-kynurenine is observed in the fat body of Ephestia k眉hniella . By injection it can be demonstrated that this organ is capable of sequestering at least 3-OH-kynurenine, the dominating tryptophan metabolite in Ephestia...
The present invention is directed to a transparent medium incorporating the oxidative polymerization product of 3 -hydroxykynurenine, a synthetic version of the yellow-to-brown pigment that occurs in the ocular crystalline lens with age. Because this coloration in the ocular lens is believed to ...
The present invention is directed to a transparent medium incorporating the oxidative polymerization product of 3-hydroxykynurenine, a synthetic version of the yellow-to-brown pigment that occurs in the ocular crystalline lens with age. Because this coloration in the ocular lens is believed to offer...
The present invention is directed to a transparent medium incorporating the oxidative polymerization product of 3-hydroxykynurenine, a synthetic version of the yellow-to-brown pigment that occurs in the ocular crystalline lens with age. Because this coloration in the ocular lens is believed to offer...
The present invention is directed to a transparent medium incorporating the oxidative polymerization product of 3 -hydroxykynurenine, a synthetic version of the yellow-to-brown pigment that occurs in the ocular crystalline lens with age. Because this coloration in the ocular lens is believed to ...
taken together with the nitrogen atom to which they are linked, form a saturated or unsaturated C5-C7 heterocyclic ring; or R1 is a group of formula (A) wherein X, Y, p and R are independently as defined above; and the pharmaticeutically acceptable salts thereof have kynurenine-3-hydro...