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  • [ March 20, 2020 ] Herd Immunity: Types, Threshold, and Usefulness Immunology
  • [ February 4, 2021 ] Carba NP Test (CNPt): Principle, Procedure and Results Antibiotic Resistance
  • [ January 30, 2021 ] Dermatophyte Test Medium (DTM): Composition, Preparation, and Uses Mycology
  • [ December 15, 2020 ] 5 Most Dangerous Viral Infections In History Virology
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Bacteriology

Carba NP test result
Antibiotic Resistance

Carba NP Test (CNPt): Principle, Procedure and Results

February 4, 2021 Nisha Rijal 1

The Carba NP test (CNPt) is a biochemical test for the rapid detection (≥2 h) of carbapenemase production in Gram-negative bacilli. Clinical and Laboratory Standards Institute (CLSI) recommends Carba NP test for ensuring the production […]

Francisella tularensis basic feature
Bacteriology

Francisella tularensis: Properties, Pathogenesis, and Laboratory Diagnosis

October 13, 2020 Acharya Tankeshwar 0

Francisella tularensis causes life-threatening infection of animals (rabbits, hares, and rodents) and people (zoonotic disease). It is also known as ‘Rabbit Fever’ or ‘Deer Fly fever’. Properties of Francisella tularensis Causes highly infectious (as few […]

Burkholderia pseudomallei
Bacteriology

Burkholderia pseudomallei: Properties, Pathogenesis and Laboratory Diagnosis

October 9, 2020 Acharya Tankeshwar 1

Burkholderia pseudomallei causes a life-threatening disease known as meliodiosis (also called Whitmore’s disease). It is glanders (caused by B. mallei) like disease in animals and humans. It affects both humans or animals (rats, rabbits, and guinea […]

leptospira interrogans
Bacteriology

Leptospira interrogans: Characteristics, Pathogenesis and Lab Diagnosis

October 2, 2020 Acharya Tankeshwar 0

Leptospira interrogans is a member of the class Spirochaetes order Spirochaetales and the family Leptospiraceae. There are two species of Leptospira; L. interrogans are the pathogenic species and are the causative agents of leptospirosis or […]

Neisseria meningitiis in Gram Stain
Bacteriology

Neisseria meningitidis: Properties, Pathogenesis and Laboratory Diagnosis

July 12, 2020 Nisha Rijal 0

Neisseria meningitidis also referred to as meningococci are fastidious, aerobic Gram-negative diplococci with adjacent sides flattened (lens-shape/half-moon-shaped). Though it is a commensal of nasopharynx for immunocompetent individuals, it may cause sepsis and meningococcal meningitis in […]

Mechanism of macrolides
Antibiotic Resistance

Macrolides: Mode of Action and Mechanism of Resistance

July 7, 2020 Nisha Rijal 0

Macrolides are primarily bacteriostatic antibacterial agents that inhibit bacterial protein synthesis by binding with 50S subunit of the ribosome. Members of the group include erythromycin, azithromycin, clarithromycin, roxithromycin, dirithromycin, and telithromycin. Macrolides were originally derived from […]

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 […]

Gram negative Legionella
Bacteriology

Legionella pneumophila: Properties, Pathogenesis and Laboratory Diagnosis

May 26, 2020 Acharya Tankeshwar 0

Legionella is a faintly staining gram-negative pleomorphic rod, responsible for causing Legionnaires‘ disease; a severe form of atypical pneumonia, and Pontiac fever. Legionella was first recognized in 1976 after an outbreak of pneumonia at an American […]

laboratory-diagnosis of Mycobacterium tuberculosis infection
Bacteriology

Laboratory Diagnosis of Mycobacterium tuberculosis Infection

May 26, 2020 Nisha Rijal 0

Mycobacterium tuberculosis (MTB) is the causative agent of tuberculosis (TB) in humans. It is a slightly curved rod arranged singly or in groups. Mycobacterium tuberculosis grows very slowly, taking up to 6 weeks for visible […]

Working mechanism of fluorescence microscope
Bacteriology

Fluorescence Microscope: Principle, Types and Applications

May 18, 2020 Nisha Rijal 0

Fluorescence microscopy is a type of light microscope that works on the principle of fluorescence. A substance is said to be fluorescent when it absorbs the energy of invisible shorter wavelength radiation (such as UV […]

Corynebacterium diphtheriae
Bacteriology

Corynebacterium diphtheriae: Properties, Pathogenesis and Lab Diagnosis

May 7, 2020 Nisha Rijal 0

Corynebacterium diphtheriae also known as Klebs-Löffler bacillus is a Gram-positive bacillus responsible for causing diphtheria. Once a major cause of illness and death among children, diphtheria became a rare disease after the administration of vaccination. The […]

Common features of Clostridium perfringens
Anaerobic Bacteriology

Clostridium perfringens: Properties, Diseases and Diagnosis

May 3, 2020 Acharya Tankeshwar 0

Clostridium perfringens is a gram-positive, anaerobic, endospore-forming bacilli, often appear as boxcar shaped. It is mainly responsible for myonecrosis (gas gangrene), food poisoning, and gangrenous cholecystitis. Properties Gram staining: Gram-variable straight rods with blunt ends […]

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  • 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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