beta-lactam antibiotic (redirected fromBeta-lactam antibiotics) Medical Encyclopedia Related to Beta-lactam antibiotics:beta-lactamase,Aminoglycosides n. Any of a class of broad-spectrum antibiotics, such as the penicillins and the cephalosporins, that contain a beta-lactam ring. ...
BETA-LACTAM ANTIBIOTICNEW MATERIAL:A cephalosporin derivative (salt) shown by the formulaI[R1 is COOH, CONH2, CH=NOCH3 (E form or Z form), CH2OH, or CHO]. EXAMPLE:7(R)-7-[2-(2-Carbamoylthiazole-4-yl)acetamido]cephalosporanic acid. USE:An antibacterial agent against Gram-positive ...
Beta-lactam antibiotic solvate NEW MATERIAL: A crystalline bis(N,N'-dimethylformamide) solvate being a compd. represented by the formula. USE: A 尾-lactam antibiotic. PROCESS: A compd. r... T Eckrich,RC Hoying 被引量: 0发表: 1989年 Prevention of beta-lactam To determine the safety and ...
such that the active site is inactivated not at all or too slowly to prevent cell-wall synthesis and bacterial growth. Determination of the crystal structure of the low-affinity penicillin-binding protein PBP2a, which mediates beta-lactamantibiotic resistancein staphylococci, has identified the molecul...
aThe beta-lactam antibiotic ceftriaxone inhibits physical dependence and abstinence-induced withdrawal from cocaine, amphetamine, methamphetamine, and clorazepate in planarians. beta酮抗药性ceftriaxone从可卡因、安非他明、甲基苯丙胺和clorazepate在花虫类动物禁止物理依赖性和节欲导致的撤退。[translate]...
BRL 17421 is a new semisynthetic beta-lactam antibiotic with an unusual spectrum of antibacterial activity. The compound exhibits exceptional stability to a wide range of bacterial beta-lactamases and is active against the majority of Enterobacteriaceae, including strains highly resistant to many of the...
Cephalosporins are β-lactam antibiotics, which are grouped into four generations according to their antibiotic spectrum of activity (Simon and Stille, 1997). The first generation has mainly gram-positive activity. The second and third generation has more gram-negative activity with decreased activity ...
Antibiotic PS-5 is a new beta-lactam antibiotic isolated from fermentation broths of Streptomyces sp. strain A271. The strain was considered to be a new subspecies of Streptomyces cremeus and the name, Streptomyces cremeus subsp. auratil... K Okamura,S Hirata,A Koki,... - 《Journal of ...
Meropenem trihydrate(美罗培南三水合物)是一种碳青霉烯类抗生素。在体外对革兰氏阳性和革兰氏阴性细菌的临床分离株有活性,包括肺炎链球菌、流感嗜血杆菌、淋球菌、大肠杆菌、铜绿假单胞菌、艰难梭菌、 和对甲氧西林敏感和耐药的金黄色葡萄球菌(MICs = ≤0.008-8 μg/ml)。
Antibiotic tablets comprise (weight %): (i) 60-85 ~b-lactam antibiotic (ii) 1-10 disintegrant selected from lowly substituted hydroxypropyl cellulose and/or crosslinked polyvinyl pyrrolidone; and (iii) 0.5-2 binder. The composition may also comprise 0.5-10 weight % of a sweetening agent and/...