Isolation and Identification of Brucella spp from clinical samples
Brucella spp Brucella is a fastidious, aerobic, small, gram-negative coccobacillus that is slow growing and difficult to isolate. Four species of Brucella are recognized causing […]
Day: April 26, 2020
Acridine orange staining: principle, requirements, procedure, result interpretation and limitations
Principle: Acridine orange is a fluorochromatic dye which binds to nucleic acids of bacteria and other cells that causes deoxyribonucleic acid (DNA) to fluoresce green […]
Capsule staining: Principle, Reagents, Procedure and Result
Principle A capsule is non-ionic and very delicate structure that is secreted by the cell and that surrounds and adheres to the cell wall. It […]