sulfhydryl

简明释义

英[sʌlfˈhaɪdrɪl]美[sʌlfˈhaɪdrɪl]

n. 巯氢基

英英释义

单词用法

同义词

反义词

例句

1.These results suggest that HPO205 promotes cell survival by strengthening the function of mitochondrial in a sulfhydryl oxidase-dependent manner.

提示HPO205提高细胞存活能力可能与增强或保护线粒体功能相关。

2.Tiopronin is a novel sulfhydryl glycin derivative, which has been used clinically for the treatment of all kinds of hepatitis, fatty liver, hepatocirrhosis.

硫普罗宁是一种新型的含巯基的甘氨酸衍生物，临床上用于各种肝炎、脂肪肝和肝硬化的治疗等。

3.Trace cadmium in the calcium salt reagents was determined by flame atomic absorption spectrometry after separation and enrichment with sulfhydryl cotton.

采用巯基棉分离富集钙盐试剂中的痕量镉，用火焰原子吸收光谱法进行测定。

4.Chemical modification studies showed that the sulfhydryl, guanido, amino, carboxyl and indolyl groups may participate in the active center of the enzyme.

化学修饰实验发现：巯基、胍基、氨基、羧基和吲哚基可能参与酶活性中心的组成。

5.The results showed that, as pressure increasing, the active sulfhydryl content increased, while the total sulfhydryl content decreased gradually.

结果表明，随着处理压力的升高，肌原纤维蛋白溶液中的活性巯基含量呈上升的趋势，而总巯基含量则逐渐下降；

6.Sulfhydryl compound may not be involved in no lung protection mechanisms.

巯基物质可能不参与NO的肺保护机制。

7.The reduction of disulfide bonds involves the conversion of sulfhydryl groups back into their original form.

二硫键的还原涉及将巯基恢复到其原始形式。

8.In proteins, sulfhydryl bonds can form between cysteine residues, stabilizing the protein structure.

在蛋白质中，巯基键可以在半胱氨酸残基之间形成，从而稳定蛋白质结构。

9.The enzyme contains a crucial sulfhydryl group that plays a key role in its catalytic activity.

该酶包含一个关键的巯基，在其催化活性中起着重要作用。

10.The presence of sulfhydryl groups in the molecule allows for better interaction with metal ions.

分子中存在的巯基使其能够更好地与金属离子相互作用。

11.Antioxidants often contain sulfhydryl groups that help to neutralize free radicals.

抗氧化剂通常含有巯基，帮助中和自由基。

作文

Sulfhydryl groups, denoted as -SH, play a crucial role in various biological processes. These functional groups are characterized by the presence of a sulfur atom bonded to a hydrogen atom. The significance of sulfhydryl 硫氢基 groups can be observed in proteins, where they contribute to the formation of disulfide bonds. Disulfide bonds are essential for maintaining the three-dimensional structure of proteins, which is vital for their functionality. In the context of enzymatic reactions, sulfhydryl 硫氢基 groups often act as nucleophiles, participating in reactions that involve the transfer of electrons. This property makes them important in redox reactions, where they help in the regulation of oxidative stress within cells. For instance, the antioxidant glutathione contains two sulfhydryl 硫氢基 groups that protect cells from damage caused by reactive oxygen species.Moreover, sulfhydryl 硫氢基 groups are also involved in signal transduction pathways. They can form reversible modifications on proteins, such as S-nitrosylation, which alters protein function and activity. This modification is particularly significant in cellular signaling, influencing processes like apoptosis and cell proliferation.The importance of sulfhydryl 硫氢基 groups extends beyond cellular processes; they are also pivotal in industrial applications. For example, in the field of biochemistry, sulfhydryl 硫氢基 compounds are used in the synthesis of various pharmaceuticals. Their unique chemical properties allow for the development of drugs that can target specific biological pathways, enhancing therapeutic efficacy.Additionally, the study of sulfhydryl 硫氢基 chemistry has led to advancements in biotechnology. Researchers have utilized these groups in the design of biosensors, which detect specific biomolecules through changes in electrical signals or fluorescence. This innovation has significant implications for medical diagnostics, allowing for the early detection of diseases.In conclusion, the sulfhydryl 硫氢基 group is a fundamental component in both biological systems and industrial applications. Its diverse functions range from stabilizing protein structures to participating in critical biochemical reactions. Understanding the role of sulfhydryl 硫氢基 groups is essential for advancing our knowledge in fields such as biochemistry, molecular biology, and biotechnology. As research continues to uncover the complexities of these functional groups, we can expect to see further innovations that harness their unique properties for therapeutic and diagnostic purposes.

硫氢基（-SH）在各种生物过程中扮演着重要角色。这些功能基团的特征是一个硫原子与一个氢原子相连。硫氢基 硫氢基 的重要性可以在蛋白质中观察到，它们有助于二硫键的形成。二硫键对于维持蛋白质的三维结构至关重要，这对其功能性至关重要。在酶促反应的背景下，硫氢基 硫氢基 通常作为亲核试剂参与涉及电子转移的反应。这一特性使它们在氧化还原反应中变得重要，帮助调节细胞内的氧化应激。例如，抗氧化剂谷胱甘肽含有两个硫氢基 硫氢基，可以保护细胞免受活性氧物种造成的损害。此外，硫氢基 硫氢基 也参与信号转导途径。它们可以对蛋白质进行可逆修饰，如S-硝基化，改变蛋白质的功能和活性。这种修饰在细胞信号传递中尤其重要，影响诸如细胞凋亡和细胞增殖等过程。硫氢基 硫氢基 的重要性超越了细胞过程；它们在工业应用中也至关重要。例如，在生物化学领域，硫氢基 硫氢基 化合物用于合成各种药物。它们独特的化学性质使得开发能够针对特定生物通路的药物成为可能，从而增强治疗效果。此外，硫氢基 硫氢基 化学的研究推动了生物技术的发展。研究人员利用这些基团设计生物传感器，通过电信号或荧光的变化检测特定生物分子。这一创新对医学诊断具有重要意义，允许早期检测疾病。总之，硫氢基 硫氢基 是生物系统和工业应用中的基本组成部分。它的多样化功能范围从稳定蛋白质结构到参与关键的生化反应。理解硫氢基 硫氢基 的作用对于推进我们在生物化学、分子生物学和生物技术等领域的知识至关重要。随着研究继续揭示这些功能基团的复杂性，我们可以期待看到进一步的创新，利用其独特的性质用于治疗和诊断目的。