AIM: To isolate organism from cerebrospinal fluid (CSF) specimen as an aid in the diagnosis […]
Month: April 2023
MICROSCOPY OF SPUTUM SPECIMEN
AIM: To detect the presence of pus cells and predominant bacteria in sputum specimens as […]
LICHENS AND THEIR BIOLOGICAL SIGNIFICANCE
Lichen is simply a symbiotic association of slow-growing microorganisms that is composed mainly of a […]
TREATMENT & PREVENTION OF FUNGAL INFECTIONS
Fungal infection is treated using antifungal drugs. Some of the drugs used for the treatment […]
BACTERIAL FLAGELLATION
Flagella (singular: flagellum) are the organelles of locomotion or movement in prokaryotic cells. Microbial motility […]
BACTERIAL CAPSULE
Capsules are extracellular polysaccharide (ESP) molecules secreted by bacteria, and which are normally found outside […]
APPLICATIONS OF MUTAGENESIS
Recombinant DNA technology and the use of synthetic DNA molecules make it possible for […]
MUTAGENS
Mutagens are biological, physical or chemical agents that change the genetic materials (inclusive of DNA […]
MICROBIAL ENUMERATION OF FOOD PRODUCTS
Food meant for human or animal consumption should be certified safe and hygienically acceptable after […]
POTENTIALS OF MICROBES IN FOOD PRODUCTION
Microorganisms inclusive of bacteria and fungi play tremendous roles in sustainable agriculture. And these organisms […]
PRINCIPLES OF FOOD HYGIENE: sources of contamination in food industries
Food meant for human and animal consumption must meet certain quality and safety criteria to […]
ANTIGEN-ANTIBODY REACTION
Antigen-antibody reaction is an immunological reaction in which a particular antibody molecule reacts with a […]
ELISA
ELISA is the acronym for “enzyme linked immunosorbent assay”. It is an immunoassay or serological […]
POXVIRIDAE FAMILY
Poxviridae familyis a distinct family of viral genera that contain viruses that replicate in the […]
PARVOVIRIDAE FAMILY
Parvoviridae family has six (6) genera of virus which include Parvovirus, Contravirus, Erythrovirus, Dependovirus, Densovirus […]
STREAKING TECHNIQUE
Streaking is a microbiological technique that is used to obtain pure cultures of microorganisms (particularly […]
ISOLATION TECHNIQUE
Isolation technique is a microbiology procedure which is used to obtain pure cultures of microorganisms […]
MANTOUX (TUBERCULIN) TEST
Mantoux (Tuberculin) Test is used as a laboratory diagnostic aid to detect reactions of individuals […]
MYCOBACTERIUM TUBERCULOSIS
Mycobacterium tuberculosis is a slim, non-motile, non-spore forming, Gram-positive, obligate aerobe, and acid-fast bacillus (rod) […]
HAEMOPHILUS INFLUENZAE
Haemophilus influenza is a small, Gram-negative, non-sporulating, non-motile, urease positive, indole positive, pleomorphic, rod-like or […]
FERMENTATION MEDIA
Fermentation media is simply defined as those preparations that support the growth of microorganisms used […]
THE MICROBIOLOGY OF BEER PRODUCTION
Beer is an alcoholic beverage that is produced industrially by the microbial fermentation of wort […]
REFRIGERATOR: use and care
Refrigerator is used in the microbiology laboratory to store and preserve laboratory reagents and culture […]
pH METER: maintenance & care
pH meter is a piece of equipment that is used to maintain the actual pH […]
CARE & MAINTENANCE OF THE MICROSCOPE
Microscope is a piece of instrument or equipment used by microbiologists to examine microorganisms and […]
CHEMICAL WEIGHING BALANCES
Chemical weighing balances are very sensitive piece of equipments that is used to weigh and measure chemical reagents […]
TEST STAGES OF MPN METHOD
PRESUMPTIVE TEST The presumptive test provides a preliminary estimate of bacterial density present in a […]
MOST PROBABLE NUMBER (MPN) TECHNIQUE
The estimation of the number of microorganisms including bacteria and fungi present in public health […]
GENOTYPIC DETECTION OF ANTIBIOTIC RESISTANT MICROBES
The genotypic detection and characterization of antibiotic resistant genes in pathogenic bacteria is more specific […]
FEATURES OF THE VITEK 2 AUTOMATED COMPACT SYSTEM FOR BACTERIAL IDENTIFICATION AND ANTIMICROBIAL SUSCEPTIBILITY TEST (AST)
Helping the physician select the best treatment at a much faster pace based on the […]
SULPHONAMIDES
Sulphonamides or sulpha drugs are generally known as folate synthesis inhibitors because they inhibit […]
TETRACYCLINES
Tetracyclines are general purpose antibiotics used for a variety of clinical applications, and they include […]