Disc diffusion test for Antibiotic Sensitivity testing
Disc diffusion test for Antibiotic Sensitivity testing is carried out to determine the appropriate antibiotic agent to be used for a particular bacterial strain isolated...
Category: Microbiology
Fermented Alcoholic Beverages: Jaand, Raksi and Japanese Sake
Fermented alcoholic beverages are quite popular worldwide since thousand years for the purpose of drinking, entertainment, refreshment, nourishment and for religious purpose as well. It...
Detailed structure of Eukaryotic cell
What is a eukaryotic cell? Eukaryotic cells are a complex and dependent cell that contains a true bound nucleus enclosed within the nuclear membrane and...
Detailed structure of prokaryotic cell
What is a prokaryotic cell? Prokaryotic cells are unicellular organism that lacks a defined nucleus surrounded by a complex nuclear membrane and membrane bound organelles....
Pulsed – field Gel Electrophoresis (PFGE)
What is PFGE? Pulsed – field gel electrophoresis is a separation technique of large DNA molecules (entire genomic DNA) to produce a DNA fingerprint for...
Differences between Gram-positive bacteria and Gram-negative bacteria
Characteristics Gram positive bacteria Gram-negative bacteria Cell wall Smooth single layered cell wall Wavy double-layered cell wall Thickness of cell wall Cell wall of gram...
ELISA TECHNIQUE
Introduction Enzyme-linked immunosorbent assay (ELISA) technique is one of the most familiar names for the production of in vitro diagnostic products, use in medical laboratories,...
Germ theory of disease
Germ theory defines that the invasion of microorganisms such as bacteria, viruses, fungi, or protists in our body causes certain types of diseases. These microorganisms...
Collection and Transportation of Microbiological samples
BLOOD sample If using BacT/Alert bottles for bacteria or yeast, uncap the proper bottles, wipe the tops with alcohol and allow them to dry. If...
Biochemical tests for identification of Gram-positive bacteria
Gram-positive bacteria retain the crystal violet dye by its thick layer of peptidoglycan and appear purple color when observed under the microscope after performing Gram...