Radiation is currently used for sterilization and decontamination in the medical supplies (surgical supplies, vaccines, and drugs) and food industries. Two types of radiations are available; ionizing and non-ionizing. Radiation sterilization is not widely used […]
Yersinia pestis is gram-negative rods responsible for highly fatal zoonotic disease, plague. Plague is one of the greatest killers known to mankind with at least three pandemics reported in history. It is transmitted to humans […]
Dark-field microscopy is a technique that can be used for the observation of living, unstained cells and microorganisms. In this microscopy, the specimen is brightly illuminated while the background is dark. It is one type […]
Bacillus anthracis, the most notorious pathogen of the genus Bacillus, is the causative agent of a serious zoonotic disease called anthrax. Anthrax is primarily a disease of wild and domestic herbivorous mammals. It is one […]
Streptococcus agalactiae, also known as Group B Streptococcus (GBS), is a major cause of neonatal sepsis and meningitis. Other infections caused by Group B Streptococci include postpartum endometritis and bacteremia among pregnant women and pneumonia, endocarditis, skin […]
Phagocytosis is the ingestion of extracellular particulate material such as invading pathogens or dead/dying cells by phagocytic cells and is one of the important innate defense mechanisms. It is primarily conducted by specialized cells, such […]
Disinfection is a process whereby pathogenic organisms, but not necessarily all microorganisms or spores, are destroyed. Disinfection may be accomplished by physical or chemical means. A number of factors influence the activity of disinfectants such […]
SARS-CoV-2 IgG/IgM rapid test is a lateral flow immunoassay intended for the qualitative detection of IgM and IgG antibodies to SARS-CoV-2 in the blood (serum, plasma) from patients suspected of COVID-19. The SARS-CoV-2 IgG/IgM rapid […]
Listeria monocytogenes is a facultative intracellular Gram-positive coccobacilli responsible for listeriosis, one of the serious food-borne infections. Other important distinguishing properties of this organism are as follows; It shows tumbling type of motility at 25°C […]
Listeria monocytogenes is a facultative intracellular pathogen that is able to adhere to, invade, and survive within mammalian cells, including macrophages. It is a food-borne pathogen responsible for listeriosis, one of the deadliest foodborne infections […]
Human antibodies are Y shaped, tetrapeptide glycoproteins made by two heavy chains and two light chains that are bound together by disulfide bonds. Like any other proteins, antibodies can act as an antigen, if injected […]
Immunoglobulin A (IgA) is the second most abundant class of immunoglobulin next to IgG, constituting about 10-15% of total serum immunoglobulin and it is the predominant immunoglobulin class in external secretions. IgA can exist as […]
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