查询词典 amino acid

Amino acids of brain including glutamine,aspartic acid,almandine and Γ-aminobutyric acidwere assayed by amino acid analytic apparatus.

而在正常大鼠脑神经纤维网发育和髓鞘形成过程中，五羟色胺(5-HT)、苯丙氨酸的变化与很多脑疾病有关[1]。

Amino acid is of virtual significance to investigate the diffusion behavior of amino acid in aqueous solution.

氨基酸在水溶液中扩散行为的研究具有非常重要的理论及指导意义。

The results show that all the hmgr genes from pigs, cattle and chickens are astable enzyme proteins with the same gene sequence characteristics and encoding protein and physical and chemical properties; all the amino acid sequences have a high degree of homology, containing two conservative HMG-CoA binding motifs and two NADPH binding motifs; all the amino acid sequences, containing signal peptide, are secreted proteins; they are all hydrophobic transmembrane proteins with five transmembrane domains; random coil and α-helix are the main structural elements in the HMGR polypeptide chain; all the predictions of three-dimensional structure are V- shaped; there are more closer evolution relationship between the HMGR gene from pigs and cattle.

结果表明：猪、牛和鸡HMGR基因序列特点及编码蛋白质理化性质基本相同，均属不稳定类酶蛋白；保守结构域氨基酸序列具有高度的同源性，均含有保守的2个β-羟基-β-甲基戊二酸单酰辅酶A结合基序和2个还原性烟酰胺腺嘌呤二核苷酸结合基序；均有信号肽，属分泌型蛋白质；属于跨膜的疏水性蛋白，均有5个跨膜结构域；无规则卷曲和α-螺旋是HMGR多肽链中的主要结构元件；三维结构预测都呈"V"字形；猪和牛HMGR基因的进化关系最近。

Gastric cancer plasma free amino acid branched chain amino acid

胃癌；血浆游离氨基酸；支链氨基酸

Exercise-induced changes in branched chain amino acid/aromatic amino acid ratio in the rat brain and plasma.

大鼠持续运动时可见血浆支链氨基酸浓度与芳香族氨基酸浓度升高，然而力竭时却发现两者比值明显下降。

Through the coupling of cyclen and homoserine deriva-tive, we have firstly synthesized a cyclen-functionalized ?α-amino acid,-2-amino-4[1 (1, 4, 7, 10 –tetraazacyclo-dodecane)] butanoic acid.

我们通过1，4，7，10-四氮杂十二烷与高丝氨酸衍生物反应，首先合成了一个非天然α-氨基酸：-2-氨基-4[1(1，4，7，10-四氮杂环十二烷)]丁酸。

In the first part, twelve peptides, including eight conservative amino acid residues in the amino acid sequence of hydrophilic S helix of AOX. were synthesized by solid-phase method. The polypeptide was coupled to a -chymotrypsinogen, and the antibodies were obtained through immunizing rabbit by injecting this complex.

第一部分，我们按照交替氧化酶(Alternative Oxidase，AOX)位于线粒体内膜外侧亲水区S螺旋的氨基酸序列，用固相法合成由12个氨基酸残基组成的多肽，将此多肽与α-牛胰凝乳蛋白酶原A相连，用作半抗原，免疫家兔制备人工合成12肽的抗体。

The proper in-situ polymerization systems of acidic and basic compounds using amino acid derivatives and cinchona alkaloids as template molecules respectively were adopted for preparation of molecularly imprinted monolithic columns by systematically investigating the effect of polymerization conditions on pore structure and selectivity of resulting polymers. The enantiomers of amino acid derivatives and the diastereomers of cinchona alkaloids were successfully resolved on these columns.

本文分别以氨基酸衍生物和辛可纳生物碱为模板分子，系统研究了制备条件对聚合物孔结构和选择性的影响，建立了合适的酸性化合物和碱性化合物的原位印迹体系。

Qiangli′an brand sterilant (stable ClO2) is colorless, tasteless, nonpoisonous, non－corrodent and transparent liquid, being a strong oxidant, it can resolve and oxidize the amino acid of microbial protein, break the amino acid chain and lead to microbial death.

摘 要：强力安灭菌剂是无色、无味、无毒、无腐蚀的透明液体，是一种强氧化剂。可使微生物蛋白质中的氨基酸氧化分解，导致氨基酸链断裂，蛋白质失活，使微生物死亡。

Methods: The hair samples were collected from 41 youth of Chinese Han in Shanghai. The amino acid makeup was analyzed by amino acid analyzer. The outer surface and cross section of hair were observed. The radial swelling of hair was determined by polarizing microscope. The tensile study of hair fiber was performed by mechanical testing machine.

收集41例上海地区汉族青年的头发样品，使用氨基酸与多肽分析仪进行氨基酸定量分析，使用电镜观察并测量头发表面及横断面形态，应用偏光显微镜测量头发的吸水径向膨胀特性，应用纤维强力试验机检测头发的拉伸性能。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。