2022年8月10日 · Other alpha-hemolytic streptococcal species are optochin-resistant. This test determines whether the bacterium is either sensitive (susceptible) to optochin or resistant to …

2023年3月31日 · α-hemolytic Streptococci produce colonies with the green-colored zone of incomplete hemolysis in a blood agar medium. So, it is difficult to identify S. pneumoniae …

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. …

2015年10月20日 · Optochin (ethylhydrocupreine hydrochloride) is a chemical (quinine derivative) that is used in the presumptive identification of alpha-hemolytic Streptococcus pneumoniae, …

2013年5月17日 · Streptococcus pneumoniae strains are sensitive to the chemical optochin (ethylhydrocupreine hydrochloride). Optochin sensitivity allows for the presumptive …

2024年5月8日 · Although certain pneumococcal strains are resistant to the antibiotic, optochin sensitivity allows for the presumed identification of alpha-hemolytic streptococci as S. …

2021年6月1日 · Optochin is a chemical used as an antibiotic that interferes with the activity of enzyme ATPase and production of ATP in microorganisms. It helps in the presumptive …

2021年7月7日 · With the help of this test, we diagnose streptococcus pneumonia another alpha-hemolytic streptococcus. Optochin is a chemical (ethylhydrocupreine hydrochloride). It is an …

Alpha hemolytic organisms (Streptococcus pneumoniae and Streptococcus mitis) are tested for their susceptibility to Taxos P (optochin). The beta hemolytic organisms (Streptococcus …

2023年1月12日 · Report an identification of Streptococcus pneumoniae, if the alpha-hemolytic colony from gram-positive cocci in pairs is catalase-negative and susceptible to optochin. …