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- Only a very limited amount of data is available on thiol esters. 有关硫醇酯类的数据非常有限。
- Porphyrin chemistry is one important branch in chemical field. 卟啉化学是现代化学领域中重要的研究分支之一。
- N acetylcysteine(NAC), a precursor of glutathione, is a thiol antioxidant. N-乙酰半胱氨酸 ( NAC)为谷胱甘肽的前体 ,是一种含有巯基的抗氧化剂。
- N-acetylcysteine,a precursor of glutathione in cells,is a thiol antioxidant. 乙酰半胱氨酸是细胞内还原性谷胱甘肽的前体,是一种含有巯基的抗氧化剂。
- Dithiooxamide molecules were adsorbed on the metal surface through the amine and thiol groups. 二硫代乙二酰胺分子通过其氨基和巯基共同吸附于金属表面。
- The amino acids in alkalescence were derivatized with 2,4-dinitro-fluorobenzene (DNFB). 以2,4-二硝基氟苯为衍生化试剂,将氨基酸在碱性条件下衍生化,然后直接进样进行高效液相色谱测定。
- The amino acids were derivatized with naphthalene _ 2,3 _ dicarboxyaldehyde (NDA)to produce electroactive substances. 氨基酸用萘 -2,3 -二羧醛 (NDA)衍生为电活性物质。
- The research progress of porphyrin, host reagent, imprinting polymer, membrane system and complexes as mimetic enzymes are reviewed in detail. 摘要本文详细评述了卟啉、主体试剂、印迹高分子、膜体系及配合物等作为模拟酶的研究和发展。
- After evaporation, the residue was derivatized trimethylsilylly by BSTFA/TMCS, and analyzed by GC-MS. 上清液真空干燥后残余物以BSTFA/TMCS三甲基硅烷化,而后行气相色谱-质谱法分析。
- Objective To review the progress of glutathione which is a functional non-protein thiol compound. 目的对一种具有重要生理功能的活性三肽-谷胱甘肽的研究进展作一综述。
- The chief differences between chlorophyll and heme are the presence of a magnesium atom in the center of the porphyrin ring. 叶绿素和血红素之间的主要的差别为在卟啉环中心存在一个镁原子。
- By adopting these technologies,fuel oils with low sulfur,low thiol and low aromatic contents can be obtained. 采用这些技术,可以生产低硫、低硫醇或低硫低芳烃含量的燃料产品。
- Activated olefinic bond Amine, thiol, radical initiator, cationic initiator, dienes (Diels-alder reactive). 活性烯键胺,巯基,引发剂,阳离子引发剂,烯烃(的Diels - Alder反应)。
- The cell wall can be destructed badly by zwitterionic porphyrin, when it was observed by AFM (Atomic Force Microscope). 同时我们还利用原子力显微镜(Atomic Force Microscope,AFM)观察到带有正负电荷的卟啉(16)对细胞壁的破坏作用明显强于只带负电荷的卟啉。
- The fast atom bombardment mass spectra (FABMS) of five underivatized and seven derivatized muramyl peptides (MPs)were recorded. 本文报道12个合成的胞壁酰肽及其类似物的FABMS。
- Chlorophyll is also a chelate, the porphyrin part of the molecule being bound to iron. 叶绿素也是一种螯合物,分子中的卟啉部分可以和离子结合。
- We also analyzed if alkyl thiol compound was deposited on particles surface by ESCA. 而藉由ESCA观察镀银微粒经硫醇修饰后,硫醇是否会长在其表面上。
- By means of elementary analysis, UV-Vis, IR, CD spectrum, and 1H-NMR, the chiral Zn porphyrin was charactered. 通过元素分析、紫外可见光谱、红外光谱、圆二色光谱及核磁共振波谱对该化合物进行了较详细的表征。
- The porphyrin also given a blood red, so give the impression that the Fangs of the blood. 而卟啉又赋予其一种血红色,所以给人一种带血獠牙的印象。
- According to standard test method of Thiol( mercaptan) sulfur in liquid petroleum products( GB/ T1792-88), We estimated uncertainty of the measurement. 根据国家标准gb/1792-88《馏分燃料中硫醇硫含量测定法(位滴定法)的试验方法,考察评估了该项分析的测量不确定度。