1)cephalosporinase头孢菌素酶
英文短句/例句
1.Study on Plasmid-mediated Cephalosporinase in Molecular Biology;质粒介导头孢菌素酶的分子生物学研究
2.Analysis of Genotype of Escherichia coli-producing ESBLs and AmpC β-lactamases Isolated from Farm Animals动物源大肠杆菌超广谱β-内酰胺酶与头孢菌素酶基因型分析
3.Expression of Cephalosporin C Acylase in Acremonium chrysogenum头孢菌素C酰基转移酶在顶头孢霉中的表达
4.Progress in enzymatic conversion of cephalosporin C to 7-aminocephalosporanic acid酶法转化头孢菌素C成为7-氨基头孢烷酸的研究进展
5.Study on cross-linked cnzyme aggregates of aminocephalosporin synthetase头孢菌素合成酶无载体固定化工艺研究
6.Study on Fermentation Conditions for CPC Acylase Production by Recombinant Escherichia Coli产头孢菌素酰化酶重组大肠杆菌发酵工艺的研究
7.ESBLs that is a large species of β -lactamases can hydrolyze the third generation cephalosporins and monobactams.ESBLs是能够水解第三代头孢菌素和单环酰胺类抗生素的β-内酰胺酶。
8.Studies on the Synthetic Process of the Third-Generation Cephalosporin, Ceftazidime;第三代头孢菌素—头孢他啶合成工艺研究
9.Studies on the Synthetic Process of the Third-Generation Cephalosporin-Cefoperazone;第三代头孢菌素头孢哌酮钠的合成工艺研究
10.Synthesis Research for the Fourth Generation Cephalosporin of Cefepime;第四代头孢菌素药物盐酸头孢吡肟的合成研究
11.Rational Selecttion of Cephalosporin C Producing Strain and the Optimization of Its Fermentative Processes;头孢菌素C菌种改良和发酵工艺研究
12.Study of Antibacterial Effect on Berberine Combineded with Ceftazidime to the Extended-spectrum β-lactamases-producing E.coli Strains;黄连素联合头孢他啶对产超广谱β-内酰胺酶大肠埃希菌抑菌作用的研究
13.Synthesis of Some New-Style Cephalosporins and Their Intermediate Compounds;新型头孢菌素药物及其中间体的合成
14.Analysis of Multiple Cephalosporins in Blood and Urine by HPLC血液和尿液中多种头孢菌素的HPLC分析
15.Analysis on the Utilization of Cephalosporins in the Inpatients of Our Hospital During 2003～2007我院住院部2003～2007年头孢菌素应用分析
16.Bacterial Endotoxin Test of Cefmenoxime for Injection注射用头孢甲肟细菌内毒素检测研究
17.Analysis of 31 Death Reports on ADR of Cephalosporin Antibiotics31例头孢菌素类药物致死亡报告分析
18.Clinic Observation on Concentrations of Cephalosporin for Skin Test头孢菌素类药物皮试浓度的临床观察
相关短句/例句
AmpC头孢菌素酶
1.Extend spectrum beta-lactamases were deteted by disc agar diffusion method,AmpCs were screened by cefoxitin disc agar diffusion method,and then the positive strains were identified by three-dimensional meth.头孢菌素酶(AmpC)的检测,采用头孢西丁纸片琼脂法筛选,筛选阳性菌株再经改良三维试验确证为AmpC阳性菌株。
2.Objective: To investigate the prevalence and genotype ofplasmid-mediated cephalosporinase (AmpC)β-lactamases andextended-spectrum-β-lactamases(ESBLs) in clinical Escherichia coliand Klebsiella pneumoniae.目的调查肺炎克雷伯菌、大肠埃希菌中质粒介导头孢菌素酶(AmpC酶)和超广谱β内酰胺酶(ESBLs)的基因型分布、耐药性及流行趋势。
3)cephelosporin头孢酶菌素
4)cephalosporin acylases头孢菌素酰化酶
1.According to their substrates, cephalosporin acylases can be classified into two classes: CPC acylase and GL7ACA acylase.头孢菌素酰化酶（ｃｅｐｈａｌｏｓｐｏｒｉｎａｃｙｌａｓｅ，ＣＡ）催化头孢菌素Ｃ（ＣＰＣ）和戊二酰７氨基头孢烷酸（ＧＬ７ＡＣＡ）的水解反应，生成７ＡＣＡ。
5)Aminocephalosporin synthetase头孢菌素合成酶
6)Cephalosporin[英][,sef?l?u'sp?:rin][美][s?f?l?'sp?r?n, -'spor-]头孢菌素
1.Preparation and character of cephalosporin intermediate THZ;头孢菌素中间体THZ的合成与表征
2.Semisynthesis and Antibacterial Activity of 7β-[2-(2-Aminothiazol-4-yl)-(Z)-2-methoxyiminoacetylamido]-3-heterothiomethyl-cephalosporins;7β-[2-(2-氨噻唑-4-基)-(Z)-2-甲氧亚胺乙酰胺基]-3-杂环硫亚甲基头孢菌素衍生物的半合成及抗菌活性
延伸阅读
头孢菌素酶分子式：CAS号：性质：细菌产生的催化水解头孢菌素β-内酰胺环，使之失去抗菌活性的酶。是β-内酰胺酶中的一类，国际酶编号：EC 3.5.2.8，在细菌中分布广泛。已获纯品的蜡状芽孢杆菌569H产生的酶，为一蛋白质，分子量23 000，等电点pI 8.7，沉淀常数l.9×10-3s，比容v200.71ml/g，比摩擦系数1.7，扩散常数D20.w 7.2×10-7cm2/s，吸光系数8.7。根据β-内酰胺酶的基因定位，头孢菌素酶多为染色体介导的酶，按诱导性又分为诱导型与组成型两组，诱导型酶的产生菌有：不动杆菌属、柠檬酸菌属、肠杆菌属、吲哚阳性变形杆菌属、假单胞菌属、沙雷菌属与耶尔森菌属细菌；组成型酶的产生菌有：拟杆菌属、大肠杆菌、志贺菌、沙门菌属等细菌。根据Richimond-Sykes分类，属于Ia、Ib、Id型酶；按Ambler分类(按酶蛋白氨基酸序列)属于Ic型酶。近年发现的羟亚胺头孢菌素酶(CXase)，属于Ic型酶(Ambler分类A型酶)，分解带有肟基侧链的第三代头孢菌素。
