Bacteriology

Preparation of Gram stain Reagents

Last updated on June 1st, 2021Gram staining requires the use of different chemical reagents which can be purchased in ready-to-use forms from commercial suppliers or can be prepared at the laboratory by mixing different chemicals […]

Bacteriology

SEM vs. TEM Electron Microscopy

Last updated on June 11th, 2021The advent of Electron Microscopy in 1932 opens the door to visualizing small subcellular structure and viruses which were beyond the scope of light microscopy which can’t resolve objects separated […]

Anaerobic Bacteriology

Microbes with Good and Bad Smell

Last updated on June 21st, 2021Microorganisms can produce different types of volatile compounds that may give characteristics smell, pleasant scent, or pungent odor. Production of these volatile chemicals depends on the metabolic characteristics of that […]