Sagar Aryal, PhD

Aseptic technique is a set of routine measures that are taken to prevent cultures, sterile media stocks, and other solutions from being contaminated by unwanted microorganisms (i.e., sepsis). While such … Read more

Studies involving the analysis of materials including food, water, milk, and, in some cases, air require quantitative enumeration of microorganisms in the substances. Many methods have been devised to accomplish … Read more

Biopreservation is the process of preserving the integrity and functionality of cells. Most bacteriological laboratories maintain stock cultures of microorganisms for educational, research, bioassay, industrial, or other purposes. A wide … Read more

Bacterial systematics has undergone several changes and is continuously in a state of flux as our knowledge of microorganisms is far from complete and new information is being added every … Read more

Nutritional Types of Bacteria On the basis of energy source organisms are designated as: Phototrophs: Chemotrophs: On the basis of electron source organisms are designated as: Lithotrophs:  Organotrophs:  Thus, bacteria … Read more