• Culture Media
  • Tests
  • microbes
  • Difference Between

Learn Microbiology Online

Medical Microbiology Guide

  • Bacteriology
    • Culture Media
  • Virology
  • Parasitology
  • Mycology
  • Immunology
News Ticker
  • [ March 20, 2020 ] Herd Immunity: Types, Threshold, and Usefulness Immunology
  • [ December 15, 2020 ] 5 Most Dangerous Viral Infections In History Virology
  • [ 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
  • [ October 13, 2020 ] Francisella tularensis: Properties, Pathogenesis, and Laboratory Diagnosis Bacteriology
  • [ October 9, 2020 ] Burkholderia pseudomallei: Properties, Pathogenesis and Laboratory Diagnosis Bacteriology
Home2013December

Month: December 2013

No Picture
Principles of sterilization and disinfection

Ethylene Oxide (ETO): Properties, Mode of action and uses

December 26, 2013 Acharya Tankeshwar 1

Ethylene oxide (ETO) has been widely used as a low-temperature sterilant. ETO is a colorless gas that is flammable and explosive but it is liquid at temperatures below 10.8oC. ETO is an effective sterilizing agent for heat- […]

Microbiology for Beginners

Robert Koch and Koch’s postulates

December 25, 2013 Acharya Tankeshwar 1

Robert Koch (1843-1910) was a German physician and scientist and the first person to prove that Bacterium is the cause of animal disease. Robert Koch was born on December 11, 1843, at Clausthal in the […]

No Picture
Virology

Why does DNA virus replicate in the nucleus and RNA virus in cytoplasm?

December 24, 2013 Acharya Tankeshwar 2

Why DNA viruses replicate in the Nucleus? Once the nucleocapsid of DNA virus enters the host cell, it proceeds to the nucleus where it mimics the genome of the host cell. Usually, the viral genome […]

Principles of sterilization and disinfection

Moist heat sterilization: Definition, Principle, Advantages and Disadvantages

December 23, 2013 Acharya Tankeshwar 20

Of all the methods available for sterilization (killing or removal of all microorganisms, including bacterial spores), moist heat in the form of saturated steam under pressure is the most widely used and the most dependable […]

Principles of sterilization and disinfection

Dry-Heat Sterilization: Principle, Advantages and Disadvantages

December 23, 2013 Acharya Tankeshwar 16

Dry heat sterilization (killing or removal of all microorganisms, including bacterial spores) technique requires longer exposure time (1.5 to 3 hours) and higher temperatures than moist heat sterilization. Various available methods of dry heat sterilization are; hot […]

No Picture
Bacteriology

Advantage, Disadvantage and limitations of Microscopy to detect Acid Fast Bacilli (AFB)

December 6, 2013 Acharya Tankeshwar 0

Mycobacteria are distinguished from other micro-organisms by thick lipid-containing cell-walls that retain biochemical stains despite decolourisation by acid-containing reagents (so-called ‘acid-fastness’). Advantages: Microscopy of sputum smears is simple and inexpensive, quickly detecting infectious cases of pulmonary […]

Acid fast bacilli
Bacteriology

Ziehl-Neelsen technique (AFB Staining): Principle, Procedure and reporting

December 6, 2013 Acharya Tankeshwar 27

Ziehl-Neelsen (ZN) method of Acid Fast staining technique is used to stain Mycobacterium species including M. tuberculosis, M. ulcerans, and M. leprae and nontuberculous mycobacteria (NTM).  Detection of acid-fast bacilli (AFB) in stained and acid-washed […]

No Picture
Bacteriology

Sodium hypochlorite centrifugation technique to concentrate Acid Fast Bacilli (AFB)

December 6, 2013 Acharya Tankeshwar 0

Sodium hypochlorite centrifugation technique is used to concentrate the AFB present in sputum, as it increases the chances of detecting AFB in sputum smears. Sodium hypochlorite (NaOCl) is recommended for liquefying the sputum, as it […]

  • 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
  • Francisella tularensis basic feature
    Francisella tularensis: Properties, Pathogenesis, and Laboratory Diagnosis
    October 13, 2020 0
  • Burkholderia pseudomallei
    Burkholderia pseudomallei: Properties, Pathogenesis and Laboratory Diagnosis
    October 9, 2020 1

Popular Articles

  • Streak plate method: Principle, Purpose, Procedure, and results  
    Streak plate method: Principle, Purpose, Procedure, and results  
  • Pour plate Method: Principle, Procedure, Uses, and (Dis) Advantages
    Pour plate Method: Principle, Procedure, Uses, and (Dis) Advantages
  • Gram Staining: Principle, Procedure and Results
    Gram Staining: Principle, Procedure and Results
  • Bacterial Culture Media: classification, types and uses
    Bacterial Culture Media: classification, types and uses
  • Most Probable Number (MPN) Test: Principle, Procedure and Results
    Most Probable Number (MPN) Test: Principle, Procedure and Results

Subscribe to Blog via Email

Enter your email address to subscribe to this blog and receive notifications of new posts by email.

Join 1,586 other subscribers

Get updates in Facebook

Get updates in Facebook

Useful Categories

  • Antibiotic Resistance
  • Bacteriology
    • Anaerobic Bacteriology
    • Biochemical tests in Microbiology
    • Laboratory Diagnosis of Bacterial Disease
    • MCQ Bacteriology
    • Virulence Factors of Pathogenic Bacteria
  • Culture Media used in Microbiology
  • Difference Between
  • Emerging Infectious Diseases
  • Funny Microbiology
  • Immunology
    • MCQ immunology
  • Life of Bidur
  • MCQ Microbiology
  • Medals and Awards in Microbiology
  • Microbial Genetics
  • Microbiology for Beginners
  • Molecular Biology
  • Mycology
    • Lab Diagnosis of Fungal Disease
    • MCQ Mycology
  • Parasitology
    • Lab Diagnosis of Parasitic Disease
    • MCQ Parasitology
  • Principles of sterilization and disinfection
  • Recent discovery in microbiology
  • Sexually Transmitted Infections
  • Staining techniques in Microbiology
  • USMLE Microbiology Practice Questions
  • Virology
    • Lab Diagnosis of Viral Disease
    • MCQ Virology
    • Structure of Virus
Pages
  • About Microbeonline.com
    • About Me
  • Privacy Policy
Pages
  • Advertise with Us
  • Disclaimer
  • MIcrobiology Books

Copyright © 2021 | MH Magazine WordPress Theme by MH Themes