The Relative Antibacterial Activity of Four Penicillins
نویسندگان
چکیده
منابع مشابه
Antibacterial activity of the penicillins.
Penicillin, the first antibiotic of clinical importance to be discovered, is in many ways the best. Against most pathogenic species of Gram-positive bacteria and Gramnegative cocci a concentration of 0.02 ptg./ml.t or less inhibits growth and a concentration not much higher is actively bactericidal. Moreover, apart from hypersensitivity reactions, penicillin is probably the least toxic of the a...
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There are now a t least three main types of antibacterial activity shown by different penicillins-the ordinary penicillin G type, the type shown by methicillin active against penicillinase-producing staphylococci and the. ‘ broad spectrum ’ type of activity shown by a-aminobenzylpenicillin. The inducing capacity of different penicillins can be measured by the concentration required for maximal ...
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There are many examples of two penicillins acting synergistically, usually by one competitively inhibiting beta-lactamase, thus protecting the other from inactivation. There are few reports on penicillins antagonizing each other. Eight strains of three genera (Proteus, Escherichia, Pseudomonas) isolated at Boston City Hospital or Institut Pasteur, Paris, showed antagonism of carbenicillin or am...
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heteropoly acids (hpa) and their salts have advantages as catalysts which make them both economically and environmentally attractive, strong br?nsted acidity, exhibiting fast reversible multi-electron redox transformations under rather mild conditions, very high solubility in polar solvents, fairly high thermal stability in the solid states, and efficient oxidizing ability, so that they are imp...
15 صفحه اولThe Evaluation of Antibacterial Potency of Four Mouthwash Antiseptics
SUMMARY At present research, the antibacterial potency of 4 antiseptic agents formulated in mouthwash products against four gram-positive cocci and 2 gram-negative bacilli isolated from dental plaque and abscess evaluated by five specific in-vitro methods. The bacteriostatic effect of four antiseptic agents is as following relation:CHG > > CPO> CPC > PVP-I. But, The quality and quantity of ba...
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ژورنال
عنوان ژورنال: BMJ
سال: 1960
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.2.5214.1695