天冬氨酸

Methods: Tumor cell-platelet adhesion of highly metastatic SACC-LM, non-metastatic SACC-83 and effect of aspirin, arginine-aspartate , magnesium acetylsalicylate on adhesion were studied in vitro. Antimetastatic effect of aspirin, RD, magnesium acetysalicylate on experimental metastasis of SACC was observed in vivo.

体外实验观察高转移潜能的SACC-LM细胞、非高转移潜能的SACC-83细胞与血小板的粘附，阿斯匹林、阿斯匹林镁、精氨酸-天冬氨酸（arginina-aspartate，RD）对SACC-LM细胞与血小板粘附的影响；动物实验观察阿斯匹林、阿斯匹林镁、RD对SACC-LM细胞实验性肺转移的作用。

Methods Three doses of etomidate were administered intraperitoneally. Five minutcs later, convulsion was induced by electricity or drugs . The convulsant latency, duration of tonic state, incidence of convulsion, mortality and survival time were noted.

以电刺激或致惊剂〔士的宁、N-甲基－D-天冬氨酸、利多卡因〕建立不同类型的小鼠惊厥模型，观察腹腔注射3种剂量的依托咪酯对小鼠强直性惊厥潜伏期、持续期、惊厥发生率、小鼠死亡率以及小鼠存活时间的影响。

Methods Three doses of etomidate were administered intraperitoneally.Five minutcs later,convulsion was induced by electricity or drugs ［strychnine.N-methyl-D-aspartate.lidocanine］.The convulsant latency,duration of tonic state,incidence of con-vulsion,mortality and survival time were noted.

以电刺激或致惊剂〔士的宁、N-甲基-D-天冬氨酸、利多卡因〕建立不同类型的小鼠惊厥模型，观察腹腔注射3种剂量的依托咪酯对小鼠强直性惊厥潜伏期、持续期、惊厥发生率、小鼠死亡率以及小鼠存活时间的影响。

Using peptide hydrolysis combined with amino acid analysis, sugar alcohol acetylation combining with GC/MS, fattic acid methyl esterization combining with GC/MS and other technical means it was identify carbohydrate in the bioemulsifier mainly was D-mannose, and main amino acids were glutamic acid, aspartic acid, alanine, and main fattic acids that composed lipid was hexadecanoic acid, octadecenoic acid, and octadecanoic acid.

利用肽水解结合氨基酸分析、糖醇乙酰化结合GC-MS、脂肪酸甲脂化结合GC-MS等技术手段鉴定乳化剂中糖主要为D-甘露糖；主要氨基酸为谷氨酸、天冬氨酸、丙氨酸；构成脂的主要脂肪酸为十六烷酸、十八烯酸和十八烷酸。

MSCs did not proliferate within the alginate-GRGDY matrix during the 2 weeks examined. These results were further substantiated by concurrent cell density measurements using a hemocytometer.

在2周的检查期内，间充质细胞干细胞在甘氨酸－精氨酸－甘氨酸－天冬氨酸－酪氨酸藻酸盐环境中并没有发生增殖，这些结果在用血细胞计数器测量细胞密度时得到进一步确认。

As a result, both the detection limit of the sensor decreased by 2～3 magnitudes and the signal magnitude increased about ten times than that of fly labellar single hairs. The sensitivity to many stimulants from simple molecules such as NaCl, KCl, sucrose, glycine, proline, glutamic acid and aspatic acid to macromolecule such as bovine surem albumin was lower than 10〓mol L〓. For this reason, the maxillary palp of cockroach is reveled as an important candidate for construction of a new type of intact-receptor biosensors.

这种协同作用导致下颚须感觉区对有些刺激物如NaCl，KCl，蔗糖，甘氨酸，脯氨酸，谷氨酸，天冬氨酸，牛血清白蛋白的响应阈值比一般单根感觉毛至少低2-3个数量级，达10〓molL〓以下；信号幅度提高约十倍，是一种新型的适合用作传感器的敏感材料。

The major route of β-alanine production for pantothenate in Escherichia coli is through the α-decarboxylation of L-aspartate, which is catalysed by the enzyme L-aspartate-α-decarboxylase. The panD mutant of E. coli is β-alanine auxotrophy.

在大肠杆菌中，用于泛酸生物合成的的β-丙氨酸主要是由L-天冬氨酸α位脱羧而产生，这个生化反应由panD基因编码的L-天冬氨酸-α-脱羧酶催化。

Tissue engineered scaffold ; Recombinant spider silk protein ; Arg-Gly-Asp Poly vinyl alcohol ; Cytocompatibil ity

组织工程支架重组蛛丝蛋白；精氨酸-甘氨酸-天冬氨酸；聚乙烯醇；细胞相容性

Objective To evaluate the biocompatibility of poly (lactic acid/glycolic acid/asparagic acid-co-polyethylene glycol) tri-block copolymer in vitro.

目的 对自主研制的三嵌段骨基质材料－聚丙交酯／乙交酯／天冬氨酸－聚乙二醇的体外生物相容性进行评价。

Objectives: To investigate the effects of adhesion and proliferation of bone mesenchymal stem cells in the surface of lactic acid/glycolic acid/asparagic acid-co-polyethylene glycol PLGA- tri-block polymer scaffolds, try to find a new biomaterial to induce seed cells in vitro for bone tissue engineering.

目的：探讨大鼠骨髓间充质干细胞BMSCs在聚丙交酯/乙交酯/天冬氨酸-聚乙二醇三嵌段多元共聚物 PLGA-表面粘附、增殖的情况，为组织工程学体外诱导种子细胞生长提供新的生物材料。

Hanna: That's over now, isn't it?

都结束了，对吗

You must be ill. You look so pale.

你一定是病了，你的脸色苍白。