
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... Read more
Simplest Explanations of Complex Facts
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... Read more
Gram-negative bacteria are the pink or red-colored bacteria when observed under a microscope after Gram’s differential staining technique. They do not retain the crystal violet... Read more
“Stain” is a chemical reagent or dye that is responsible for the discoloration of the specimen. This use of stain for adding contrast for better... Read more
Rapid diagnostic tests are serological tests that are used in preliminary medical screening or incase of emergency diagnosis. They either detect antibody (Ab) or antigen... Read more
Microorganisms undergo the metabolism process to maintain nutritional and functional cellular activities either catabolically or anabolically. Both processes occur simultaneously with the biochemical reaction which... Read more
What is Microbial Control? The control (which means either to inhibit or remove and kill) of microorganisms so as to prevent the transmission of diseases... Read more
Infection of soft tissues associated with pus formation Pus consists PMNs, bacteria, fibrin and other body fluids May be endogenous or exogenous Endogenous: source of... Read more
Bacterial resistance to drugs is a condition in which the bacteria that were earlier susceptible to antibiotics develop resistance against the same antibiotics and are... Read more
Performed to determine the minimum inhibitory concentration (MIC) of an antimicrobial agent. MIC is defined as the lowest concentration of an antimicrobial agent that inhibits... Read more
Specimen Collection Pulmonary tuberculosis: threat to both patients and others so sample should be collected and handled in a safe manner. Successful identification of pathogens... Read more