Optochin (or ethylhydrocupreine hydrochloride) is a derivative of quinine introduced in 1911 by Morgenroth and Levy with the intention to treat pneumococci infection. [1] In very high …

2023年3月31日 · Optochin, also called ethylhydrocupreine hydrochloride, is a derivative of quinine, an antimalarial agent. It was introduced by Morgenroth and Levy in 1911 as an …

2013年5月17日 · Optochin sensitivity allows for the presumptive identification of alpha-hemolytic streptococci as S. pneumoniae, although some pneumococcal strains are optochin-resistant. …

Certain strains of GAS have shown resistance to a number of antibiotics, including macrolides, lincomycin, tetracyclines, chloramphenicol, and cotrimoxazole. The typically thick Gram …

Optochin (ethylhydrocupreine hydrochloride) is currently widely used as an inexpensive and reliable means to presumptively identify Streptococcus pneumoniae. It has been known, since …

2020年4月4日 · Arylomycin antibiotics are macrocyclic lipopeptides that inhibit bacterial type I signal peptidase (SPase), 3, 64 an essential membrane-bound protease that cleaves signal …

2022年8月10日 · Optochin sensitivity test is an important parameter used to identify Streptococcus pneumoniae from other α-hemolytic streptococci species in a laboratory setting. …

2019年3月14日 · Optochin, a cinchona alkaloid derivative discovered over 100 years ago, possesses highly selective antibacterial activity toward Streptococcus pneumoniae. …

2024年5月8日 · Antibiotic optochin blocks the ATPase and prevents bacteria from producing adenosine triphosphate (ATP). Presumptive detection of alpha-hemolytic Streptococcus …

2023年1月12日 · Optochin Susceptibility Test uses for presumptive identification of Streptococcus pneumoniae from viridans streptococci. Ethylhydrocupreine hydrochloride (Optochin), a …