1α,25-二羟基维生素D2 治疗甲状旁腺机能亢进1α,25-二羟基维生素D2原料药 我们可以提供高质量的 1α,25-二羟基维生素D2 及其衍生的杂质. 品牌:ChemExpress CAS No. :60133-18-8 Catalog:HY-32350 分子量:428.65 分子式:C28H44O3 国际站:1α,25-OH Vitamin D2 产品分类:中间体及其原料药(API) 热门...
1,25(OH)2 Vitamin D antigen - BSA 供应商 DIAsource 产品货号 5019221-1 产品报价 ￥询价/1mg 产品说明书 点击查看 购买方式 银行转账、电汇、支票、现金,在线支付宝及网银支付,或直接与我们电话联系400-6800-868。 产品新闻 背景资料 DIAsource ImmunoAssays(以前称为BioSource),一家位于比利时的诊断公司,专注...
L., Jr., 1979, Normal plasma-1,25-(OH) 2 vitamin D concentration in nutritional osteomalacia, Lancet 1 :1377.Eastwood JB, de Wardener HE, Gray RW, Lemann JL, Jr. Normal plasma 1,25(OH)D2 vitamin D concentrations in nutritional osteo- malacia. Lancet. 1979;314:1377-1378....
[1920–25] vitamin D1 n. a form of vitamin D obtained by ultraviolet irradiation of ergosterol. [1930–35] vitamin D2 n. calciferol. [1930–35] vitamin D3 n. a form of vitamin D, C27H43OH, occurring in fish-liver oils, that differs from vitamin D2by slight structural differences in...
25OH Vitamin D2/D3-BSA conjugate 供应商 Biosynth 产品货号 BSY-80-1596 产品报价 ￥询价/1mg 产品说明书 点击查看 购买方式 90%产品中国有现货库存。银行转账、电汇、支票、现金,在线支付宝及网银支付,或直接与我们电话联系 产品新闻 背景资料 Biosynth是一家创新的生命科学试剂,定制合成和制造服务公司。制造和...
英文名称 25-OH-Vitamin D2 中文名称 25-羟基维生素 D2 中文别名 25-羟麦角甾醇、25-羟基麦角甾醇、25-羟基维他命 CAS号 21343-40-8 分子式 C28H44O2 分子量 412.65 外观 white to off-white powder MDL MFCD02683431 熔点 45-51°C(lit.) 沸点 542.3±38.0 °C(lit.) 储存条件 Keep in dark place...
Vitamin D2 is not safe with a serum 25(OH)D2 higher than 50 ng/ml, and the IOM board said as much. However, they did not distinguish between D3 and D2 which is a huge mistake. There does not appear to be any toxicity with vitamin D3 under 200 ng/ml of 25(OH)D3. So, ...
For moderate supplementation, a standard daily dose of 1,000–2,000 IU (25–50 μg) of vitamin D3 is sufficient to meet the needs of most people. Higher daily doses are in the range of 20–80 IU (0.5–2 μg) per kilogram of body weight. Vitamin D should be taken daily with ...
ultraviolet B rays of the sun. Vitamin D binding protein transports D3to the liver, where it is hydroxylated to the inactive 25(OH)D form (calcidiol). In the kidneys, it is further hydroxylated by the enzyme 1-alpha-hydroxylase to active 1,25-dihydroxyvitamin D (calcitriol).(Kulie 2009...
维生素D是脂溶性维生素,现认为它具有激素的性质,但其在未经机体有关系统处理前,不论内源性者(胆骨化醇),或从食物中摄取的D2和D3(麦角骨化醇),均不具生物活性,它们须在肝细胞骨先经25-化酶系统作用,使其转变为25-羟基胆骨化醇[25-(OH)D3],再经肾脏近曲小管细胞内1-羟化酶系统作用,进一步变为1,25-双...