INTRODUCTION : Rapid plasma reagin is commonly abbreviated as RPR. RPR test is a macroscopic, nontreponemal, flocculation test. It is a non-specific screening test for diagnosis of syphilis. Syphilis is a venereal disease caused by the spirochete Treponema pallidum. After acquiring infection, the host forms antibodies to Treponema pallidum, in addition, the host also forms […]
Mycoplasma colonies can be identified by observing typical fried egg colonies on culture medium. Visualization is facilitated by application of Diene’s stain directly to the agar surface. Diene’s stain is a nonspecific stain that imparts a contrasting appearance to Mycoplasma colonies on agar. It allows easy visualization of colony morphology and characteristics. Composition of Diene’s […]