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  • [ November 23, 2020 ] Antigen Testing for COVID-19: Principle, Procedure, Results and Interpretations Lab Diagnosis of Viral Disease
  • [ November 19, 2020 ] mRNA Vaccine: What it is and How it works? Immunology
Home2020June

Month: June 2020

Life cycle of lytic bacteriophage
Virology

Bacteriophage: Structure, Replication and Uses

June 22, 2020 Acharya Tankeshwar 0

Bacteriophages “bacteria-eater” are infectious agents that replicate as obligate intracellular parasites in bacteria with high selectivity. They are the powerful regulators of bacterial populations in natural ecosystems and are found in the soils, plants, rivers, […]

FIlamentous Nocardia
Bacteriology

Nocardia spp: Properties, Pathogenesis, and Laboratory Diagnosis

June 18, 2020 Acharya Tankeshwar 0

Nocardia species are gram-positive, variably acid-fast, filamentous, and strictly aerobic organisms belonging to the actinomycetes group. Nocardia spp form branched filaments that extend along the surface (substrate hyphae) and into the air (aerial hyphae). They […]

Cytopathic effects
Lab Diagnosis of Viral Disease

Cytopathic effect (CPE) of Viruses: Types with Examples

June 15, 2020 Acharya Tankeshwar 0

Visible morphological changes in cell cultures caused by viral infections is called cytopathic effects (CPE). The degree of visible changes to cells caused by viral infection varies with the type of virus, type of host […]

Shell Vial Cell Culture
Virology

Shell Vial Cell Culture: Principle, Uses, and Limitation

June 13, 2020 Acharya Tankeshwar 1

Shell vial cell culture, a centrifuge enhanced tissue culture assay, is a modification of conventional cell culture for the rapid detection of viruses in vitro. Principle The technique involves inoculation of the clinical specimen on […]

Principle of radioimmunoassay
Immunology

Radioimmunoassay: Principle, Uses, and limitations

June 11, 2020 Acharya Tankeshwar 0

Radioimmunoassay (RIA) is very sensitive (can detect at a concentration of <0.01 μg/mL) and a specific technique that is used for the quantitative detection of antigens or haptens. RIA is an extremely important tool in […]

Toxin neutralization test
Immunology

Neutralization Test for Virus and Toxins

June 9, 2020 Acharya Tankeshwar 0

When a person is infected with a pathogen, antibodies are produced against many epitopes of this pathogen. A subset of these antibodies can block infection by a process called neutralization. These antibodies block or distort the […]

Fluorescent antibody methods
Immunology

Indirect Fluorescent Antibody (IFA) Test

June 9, 2020 Acharya Tankeshwar 0

The indirect fluorescent antibody test (IFA) is a semi-quantitative, sensitive, and rapid test to detect which can be used to detect specific antibodies or antigens present in the samples. IFA for the detection of Antibodies […]

Scientist observing variola virus
Microbiology for Beginners

Electron Microscope: Principle, Types, and Applications

June 8, 2020 Nisha Rijal 1

Electron microscope as the name suggests is a type of microscope that uses electrons instead of visible light to illuminate the object. Electromagnets function as lenses in the electron microscope, and the whole system operates […]

Embroyonated Egg culture for Viruses
Lab Diagnosis of Viral Disease

Embroyonated Egg Cultures for Viruses

June 5, 2020 Acharya Tankeshwar 0

Embroyonated chicken eggs are used for the cultivation of some viruses. The viruses grow in the cells of the embryo and membranes. Specimens are inoculated into pathogen-free fertilized eggs of 10-11 days and are incubated […]

COVID-19 kit
Virology

COVID-19 Testing Kits That You Should Only Use According To FDA

June 3, 2020 Guest Author 0

Today, the whole world is suffering and threatened with this newly discovered disease, the COVID-19. People who are infected with the coronavirus are showing symptoms that are almost similar to having colds or flu. Sadly, […]

  • Carba NP test result
    Carba NP Test (CNPt): Principle, Procedure and Results
    February 4, 2021 1
  • Dermatophyte Test Medium Culture Plate
    Dermatophyte Test Medium (DTM): Composition, Preparation, and Uses
    January 30, 2021 0
  • Various types of viruses
    5 Most Dangerous Viral Infections In History
    December 15, 2020 0
  • COVID-19 antigen testing devices
    Antigen Testing for COVID-19: Principle, Procedure, Results and Interpretations
    November 23, 2020 1
  • RNA vaccine technology
    mRNA Vaccine: What it is and How it works?
    November 19, 2020 4

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