Microbiology

Browse all Microbiology articles, guides, and protocols.

Microbial growth

Microbial growth actually refers to increase in numbers of the cells. The requirements for microbial growth can be divided into two main categories: physical and chemical.

Microbiology

Observing Microorganism

Microorganisms are observed and studied with the help of microscopes. However the bacteria have nearly the same refractive index as water, which makes them

Microbiology

Preservative Efficacy Test

Preservative efficacy test is performed to determine the type and minimum effective concentration of preservative required for satisfactory preservation of pharmaceuticals, food and biotechnology products. The preservative to be effective in the final packaged product should be considerably below the concentrations of the preservative that may be toxic to human beings.

Microbiology