查询词典 amino-group

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。

Two kinds of haptens 6-{[(2,3-Dihydro-2,2-Dimethyl-7-benzofuranyloxy)carbonyl] -amino}hexanoicAcidand4-{[(2,3-Dihydro-2,2-Dimethyl-7-benzofuranyloxy) carbonyl]-amino}butanoic Acid has been synthesized by chemical way.

本研究以2，3-二氢-2，2-二甲基-7-苯并呋喃氯甲酸酯为基础合成了克百威的两种半抗原，6—

Amino acids Compounds containing both carboxylic acid and amino groups in their molecules.

氨基酸：在其分子中包含羧酸和氨基基团的化合物。

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。

A method for determinating the activities of pectinase was proposed in this paper. It can produce the red-brown amino compounds when 3,5-dinitrosalicylic acid and aldehyde were heated together. The amino compounds had maximum absorbency at 540nm. In certain range, there was a good linear relationship between the amount of reducing sugar and the color of the reaction mixture.

针对QB1502-92标准测定方法测定高活力果胶酶、固定化果胶酶活力存在的实验误差大，重现性及灵敏度差的缺陷，提出了利用3，5-二硝基水杨酸与醛糖共热产生棕红色的氨基化合物，在一定范围内还原糖的量和含有呈色氨基化合物的反应液颜色深浅成正比的原理，在540nm下测其吸光度，从而计算出果胶酶活力的测定方法，并对测定步骤、影响因素及测定中可能出现的问题进行了试验研究。

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。

Northern crossbreed results showed that it is expressed only in human brain. This gene has a 50% amino acid sequence identity with Caenorhabdilis elegans, Anopheles gambiae sir arid Drosophila, and 94% amino acid sequence identity with Rattus norvegicus and Mus musculus.

Northern杂交结果表明：该基因只在人类大脑组织中表达，且与无脊椎动物线虫、疟蚊和果蝇的同源基因有50%的氨基酸同源性，与脊椎动物大鼠和小鼠的同源基因有50%以上的氨基酸同源性。

The absorption of root system was the main sources of nitrogen in the plant.The effects of matrix ventilation on the abaorption,transportion and metabolism of nitrogen in the root system of cucmber were discussed deeply.The results showed that contents of ammonium,nitrate,free amino acids and soluble protein in cucumber roots were higher in G1 treatment.Contents of ammonium,nitrate and free amino acids in cucumber roots were the trend of the dropping after the first rising in F1 treatment,but contents of soluble protein was lower11.03%than that of the control.

根系吸收是植物体内氮素的主要来源，本研究深入探讨了基质通气状况对黄瓜根系氮素吸收、运输和氮代谢的影响，结果表明G1通气处理根系的铵盐、硝酸盐、游离氨基酸和可溶性蛋白含量均较高；非通气处理(F1处理)根系内铵盐、硝酸盐和游离氨基酸含量呈先升高后降低的趋势，而可溶性蛋白含量始终较低，比对照降低11.03%。G1处理根系硝酸还原酶、亚硝酸还原酶、谷草转氨酶、谷丙转氨酶、谷氨酰胺合成酶活性均较高；而F1处理的酶活性在处理末期显著降低，其中谷氨酰胺合成酶活性比对照降低33.33%。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。