L-半胱氨酸,L-Cysteine
1)L-CysteineL-半胱氨酸
1.Determination of L-cysteine by enzymatic inhibitory spectrophotometry;酶抑制动力学光度法测定L-半胱氨酸
2.Electrochemical behavior of epinephrine on a poly(L-cysteine) modified electrode;肾上腺素在聚L-半胱氨酸修饰玻碳电极上的电化学行为
3.New process for preparation of D-cysteine from L-cysteine by asymmetric;L-半胱氨酸不对称转化制备D-半胱氨酸新工艺
英文短句/例句

1.Separation of S-Benzyl-γ-L-glutamyl-L-cysteine Using Ion-exchange Method离子交换法分离S-苄基-γ-L-谷氨酰-L-半胱氨酸
2.A New Synthetic Method for the N-acetyl-L-cysteine;N-乙酰-L-半胱氨酸合成的新方法
3.Inhibitory Kinetics of L-Cysteine on Tyrosinase ActivityL-半胱氨酸对酪氨酸酶的抑制动力学研究
4.Enzymatic Synthesis of γ-L-Glutamyl-L-Cysteine with Immobilized γ-Glutamyltranspeptidase固定化γ-谷氨酰转肽酶催化合成γ-L-谷氨酰-L-半胱氨酸
5.Chemical reagent--L-cysteine hydrochloride anhydrousGB/T1297-1993化学试剂无水L-半胱氨酸盐酸盐
6.Kinetic Model for Enzymatic Synthesis of S-Bzl-γ-L-Glutamyl-L-Cysteine酶法制备S-苄基-γ-L-谷氨酰-L-半胱氨酸的动力学模型
7.Study on the Electrocatalysis of Modified Electrode Applied in the Synthesis of L-Cysteine;修饰电极电催化应用于合成L-半胱氨酸的研究
8.Bioconversion of L-Cysteine by Immobilization Protoplast固定化原生质体转化合成L-半胱氨酸的研究
9.Study on the Mechanism of L-Cysteine as a Whitening Cosmetic AdditiveL-半胱氨酸作为化妆品美白添加剂的作用机理
10.Research on the preparation and application of L-cysteine modified gold electrodeL-半胱氨酸修饰金电极的制备及应用研究
11.Progress on Enzymatic Synthesis of L-Cysteine from DL-ATC by Pseudomonas sp.假单胞菌酶法转化DL-ATC合成L-半胱氨酸
12.Studies on Electrochemical Analysis of L-cysteine & Glutathione and Its Electrochemical PropertiesL-半胱氨酸和谷胱甘肽的电化学分析及其电化学性质的研究
13.Electrochemical Properties of Sodium Selenite on a Bionic Membrane of Gold Electrode Modified by L-Cysteine Self-assembled Monolayer亚硒酸钠在L-半胱氨酸自组装类生物膜修饰电极上的电化学行为
14.Water-soluble synthesis of thioglycolic acid and L-cysteine stabilized CdTe nanorods水相法合成巯基乙酸和L-半胱氨酸稳定的CdTe纳米棒
15.Cloning and Expression of Conversion DL-2-amino-△~2-thiazoline-4-carboxylic Acid to L-cysteine in Pseudomonas sp. TS1138;假单胞菌TS1138由DL-ATC转化L-半胱氨酸关键酶基因的克隆与表达
16.Effect of L-Cysteine on Hydrogen Production and Growth of Ethanoligenens Harbinense YUAN-3;L-半胱氨酸对产乙醇杆菌YUAN-3产氢和生长的影响
17.Synthesis and Characterization of L-cysterine Tailed Porhyrin and Its Copper(Ⅱ) Complex;新型L-半胱氨酸尾式卟啉铜(Ⅱ)配合物的合成与表征
18.Determination of L-Cysteine in enzymatic reaction mixture by HPLC高效液相色谱法测定酶促反应液中的L-半胱氨酸含量
相关短句/例句

L cysteineL-半胱氨酸
1.S Methyl L cysteine was synthesized with L cysteine as the starting material and trimethyl phosphate as the methylating agent.以 L-半胱氨酸为原料 ,磷酸三甲酯为甲基化试剂合成了 S-甲基 - L-半胱氨酸
2.The electrochemical behaviours of glutathione (GSH) and L cysteine (L Cys) at the surface of the carbon powder packed microelectrode (PME) were studied.本文研究了谷胱甘肽 ( GSH)和 L-半胱氨酸 ( L- cys)在碳粉末微电极上的电化学行为 ,并分别用乙炔黑粉末和 Ketjenblack粉末填充的微电极检测了溶液中GSH和 L- cys的浓度。
3.The electrochemical behaviors of p benzenediol at the L cysteine self assembled monolayers modified gold electrode have been studied.研究了 L-半胱氨酸自组装膜修饰金电极 ( L - Cys Au/SAMs)催化对苯二酚氧化的电化学行为 ,发现该膜电极大大降低了对苯二酚的氧化电位。
3)L-CysteineL半胱氨酸
4)L-cysteiny monohy drchloride盐酸L-半胱氨酸
5)L-Cysteine hydrochlorideL-盐酸半胱氨酸
6)cysteine dipeptideL-半胱氨酸二肽
1.Fluorescence spectroscopy studies on the interaction of cysteine dipeptide with herring sperm DNA;以溴化乙锭(EB)为荧光探针,用荧光分光光度法详细研究了L-半胱氨酸二肽(Cys-Cys)与鲱鱼精DNA的相互作用,探讨了两者之间的作用模式和作用机理。
延伸阅读

L-半胱氨酸分子式:C3H7NO2S分子量:121.16CAS号:52-90-4性质:无色结晶。熔点240℃(分解)。溶于水、醇、氨水及乙酸,不溶于醚、苯、丙酮、乙酸乙酯、二硫化碳和四氯化碳。其水溶液或微碱性水溶液能被空气氧化成胱氨酸,酸性溶液较为稳定。制备方法:1.锡粒还原法 将胱氨酸溶于稀盐酸中,过滤,滤液加入锡粒升温回流2h。将还原液用水稀释,移去剩余锡粒,通入硫化氢使饱和,过滤,滤渣用少量水洗,将洗、滤液合并,减压浓缩,冷却结晶,过滤、干燥得L-半胱氨酸盐酸盐。2.电解还原法 将蒸馏水、盐酸、胱氨酸加入电解槽搅拌溶解,维持在50℃以下电解至终点。将所得电解液通硫化氢数小时,过滤。滤液加活性炭脱色,过滤后减压浓缩,冷却结晶,过滤,干燥,得L-半胱氨酸盐酸盐。用途:主要用于医药、化妆品、生化研究等方面。用于面包料中,以促进谷朊形成及促进发酵、出模、防止老化等。用于天然果汁中,以防止维生素C氧化和防止果汁变成褐色。该品有解毒作用,可用于丙烯腈中毒、芳香族酸中毒。该品还有预防放射线损伤人体的作用,也是治疗支气管炎的药物,尤其是作为化痰药(大多以乙酰L-半胱氨酸甲酯酸盐的形式使用。化妆品方面主要用于美容水、烫发液、防日晒的护肤膏霜等。