Preparation of antibiotic stock solutions Antibiotics may be received as powders or tablets. It is recommended to obtain pure antibiotics from commercial sources, and not use injectable...
Category: Bacteriology
Cartridges containing commercially prepared antimicrobial discs for susceptibility testing are generally packaged to ensure appropriate anhydrous conditions. Temperature and moisture are the...
Most species of Haemophilus require both X and V factors for growth. As V factors are released erythrocytes into the medium, it is available for bacteria to utilize. In contrast, hemin is found...
The rapid plasma reagin (RPR) test is a macroscopic, nontreponemal flocculation card test used to screen for syphilis. Let’s first analyze the test name: Rapid: It is a rapid...
Anti-streptolysin O Titer (ASOT): Principle, Procedure, and Results
Most people infected with group A streptococci produce anti-streptolysin O (ASO) antibodies. In infections caused by β-hemolytic streptococci, streptolysin-O is one of the two hemolytic...
Meningitis is an inflammation of the membranes covering the brain and spinal cord known as the meninges. The most common etiologic agents of acute meningitis are enteroviruses (primarily echoviruses...