dipeptide

简明释义

英[daɪˈpeptaɪd]美[daɪˈpepˌtaɪd]

n. [生化] 二肽；缩二氨酸

英英释义

单词用法

同义词

反义词

例句

1.Objective To investigate the effect of intravenous glutamine-dipeptide fortified enteral nutrition on clinical outcomes in patients after liver transplantation.

目的评价静脉谷氨酰胺双肽强化的肠内营养对肝脏移植患者临床结局的改善。

2.Objective to explore the intravenous nutrition effects of 20-crystal amino acid solutions enriched with glutamine dipeptide on traumatized rats and to study the mechanism involved.

目的探讨富含谷氨酰胺二肽的新型氨基酸注射液对创伤大鼠肠外静脉输注营养支持疗法效用及其初步机制。

3.Objective To explore the method of chemical synthesis of L-alanyl-L-glutamine dipeptide.

目的探讨l -丙氨酰- L -谷氨酰胺双肽的化学合成方法。

4.Isoprinosine, transfer factor and muramyl dipeptide(MDP) could promote animal immune function, and prolong the sleeping time of mice and rabbits.

异丙肌苷、转移因子、胞壁酰二肽（MDP）在增强动物免疫功能的同时，均能延长动物的慢波睡眠时间。

5.CONCLUSION: It is safe and effective to use alanyl-glutamine dipeptide via peripheral vein TPN in patients after gastrointestinal operation.

结论：丙氨酰谷氨酰胺双肽在胃肠道术后经周围静脉tpn应用安全、有效。

6.While toasting, in response to raise wine cup, go to dipeptide highly critical kilowatt hour, stomodaeum"bottoms up" behind, quaff in one gulp alcoholic, or drink a moiety, or fairness of quantity.

在干杯时，应手举酒杯，至双眼高度，口道“干杯”之后，将酒一饮而尽，或饮去一半，或适当的量。

7.Through statistical analysis for 27-class protein folds, it is found that compositions of position amino acid and of amino dipeptide can afford some information about protein folds.

通过对27类蛋白质折叠子的统计分析，发现位点氨基酸及氨基酸二肽组分可以在一定程度上反映蛋白质折叠子信息。

8.OBJECTIVE:To investigate the safety and efficacy of alanyl-glutamine dipeptide administered via peripheral vein total parenteral nutrition(TPN)in patients after gastrointestinal operation.

目的：观察胃肠道术后患者在经周围静脉全肠外营养（TPN）中应用丙氨酰谷氨酰胺双肽的安全性和有效性。

9.A dipeptide is formed when two amino acids are joined together by a peptide bond.

当两个氨基酸通过肽键连接在一起时，形成一个二肽。

10.In the digestive system, enzymes break down proteins into smaller units such as dipeptides.

在消化系统中，酶将蛋白质分解成更小的单位，如二肽。

11.Research shows that certain dipeptides can enhance muscle recovery after exercise.

研究表明，某些二肽可以增强运动后的肌肉恢复。

12.The dipeptide carnosine is known for its antioxidant properties.

二肽肌肽因其抗氧化特性而闻名。

13.Some dietary supplements contain dipeptides to support overall health.

一些膳食补充剂含有二肽以支持整体健康。

作文

In the fascinating world of biochemistry, one cannot overlook the importance of proteins and their building blocks. Among these building blocks are amino acids, which combine in various ways to form peptides and proteins. A particularly interesting type of peptide is the dipeptide, a molecule composed of two amino acids linked by a peptide bond. Understanding dipeptides is crucial for anyone studying biology or nutrition, as they play essential roles in various biological processes. To begin with, let’s define what a dipeptide is in more detail. When two amino acids join together through a dehydration reaction, they form a dipeptide. This reaction involves the removal of a water molecule, allowing the carboxyl group of one amino acid to bond with the amino group of another. The resulting structure is a simple yet vital component of larger protein molecules. For example, the dipeptide known as carnosine, which consists of beta-alanine and histidine, is found in high concentrations in muscle tissue and has been shown to have antioxidant properties. The significance of dipeptides extends beyond their structural role in proteins. They can also influence various physiological functions. For instance, certain dipeptides are involved in signaling pathways that regulate metabolism and immune responses. Additionally, some dipeptides can be absorbed directly into the bloodstream, making them of great interest in nutritional science. Research has shown that specific dipeptides can enhance muscle recovery after exercise, which is why many athletes consider them when designing their diets. Moreover, the study of dipeptides opens up exciting possibilities in the field of drug development. Scientists are investigating how dipeptides can be utilized to create new therapeutic agents. For example, certain dipeptides have been found to exhibit antimicrobial properties, making them potential candidates for developing new antibiotics. This research highlights the versatility and importance of dipeptides in both health and disease. In conclusion, dipeptides are more than just simple chains of amino acids; they are fundamental components of life that play critical roles in various biological processes. From their formation through peptide bonds to their involvement in metabolic pathways and potential therapeutic applications, understanding dipeptides is essential for anyone interested in the fields of biology, nutrition, and medicine. As research continues to uncover the complexities of these molecules, we can expect to learn even more about their significance in our health and well-being. In summary, a dipeptide (二肽) is an important biological molecule made up of two amino acids linked together, and it plays a crucial role in various physiological functions and potential medical applications. The exploration of dipeptides not only enriches our understanding of biochemistry but also paves the way for innovations in health and nutrition.

在生物化学的迷人世界中，人们无法忽视蛋白质及其构成块的重要性。在这些构成块中，氨基酸以各种方式结合形成肽和蛋白质。一种特别有趣的肽是二肽，它是由两个氨基酸通过肽键连接而成的分子。理解二肽对任何研究生物学或营养学的人来说都是至关重要的，因为它们在各种生物过程中发挥着基本作用。 首先，让我们更详细地定义什么是二肽。当两个氨基酸通过脱水反应结合在一起时，它们就形成了一个二肽。这个反应涉及到去除一个水分子，使得一个氨基酸的羧基与另一个氨基酸的氨基相结合。所得到的结构是较大蛋白质分子的简单但重要的组成部分。例如，已知的二肽肌肽，由β-丙氨酸和组氨酸组成，在肌肉组织中浓度很高，并且已被证明具有抗氧化特性。 二肽的重要性超出了它们在蛋白质中的结构角色。它们还可以影响各种生理功能。例如，某些二肽参与调节代谢和免疫反应的信号传导路径。此外，一些二肽可以直接被吸收到血液中，这使得它们在营养科学中备受关注。研究表明，特定的二肽可以增强运动后的肌肉恢复，这就是为什么许多运动员在设计饮食时考虑它们。 此外，二肽的研究为药物开发领域打开了令人兴奋的可能性。科学家们正在研究如何利用二肽来创造新的治疗剂。例如，某些二肽已被发现具有抗微生物特性，使它们成为开发新抗生素的潜在候选者。这项研究突显了二肽在健康和疾病中的多样性和重要性。 总之，二肽不仅仅是简单的氨基酸链；它们是生命的基本组成部分，在各种生物过程中发挥着关键作用。从通过肽键形成到参与代谢途径和潜在的治疗应用，理解二肽对于任何对生物学、营养学和医学感兴趣的人都是必不可少的。随着研究继续揭示这些分子的复杂性，我们可以期待了解更多关于它们在我们健康和福祉中的重要性。 总之，二肽（dipeptide）是由两个氨基酸连接而成的重要生物分子，在各种生理功能和潜在医疗应用中发挥着关键作用。对二肽的探索不仅丰富了我们对生物化学的理解，也为健康和营养领域的创新铺平了道路。