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Posts by Acharya Tankeshwar

link to Blood Collection Tubes: Significance of Color Coding

Blood Collection Tubes: Significance of Color Coding

Different tests and biochemical assays require varying types of sample collection tubes. In-vitro analysis of blood samples can be performed in clinical laboratories using serum or...

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link to Columbia CNA Agar: Composition, Uses, and Results

Columbia CNA Agar: Composition, Uses, and Results

Columbia agar with colistin and nalidixic acid (CNA) is a selective and differential medium for isolating and differentiating pathogenic gram-positive cocci from clinical and non-clinical samples....

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link to Serial Dilution Method for Estimating Viable Count of Bacteria

Serial Dilution Method for Estimating Viable Count of Bacteria

Serial dilution is a  series of sequential dilutions, each with the same dilution factor, where the diluted material of the previous step is used to make the subsequent dilution.  Agar...

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link to Types of Swabs and Their Uses

Types of Swabs and Their Uses

Swabs are used for collecting specimens for the recovery of organisms or point-of-care testing (POCTs). Swabs generally are poor specimens if tissue or needle aspirates can be obtained. In recent...

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link to Bacteriological Agar: Properties and Uses

Bacteriological Agar: Properties and Uses

Agar (agar agar) is a thermoreversible gelling agent extracted from the cell walls of smaller seaweeds (red algae). Agar is obtained from red algae belonging to the genera Gracilaria, Ahnfeltia,...

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link to Best Practices for Preparation of Culture Media

Best Practices for Preparation of Culture Media

Culture media are fundamental in diagnostic microbiology. Nearly all media are commercially available as ready-to-use agar plates or tubes of broth. Laboratories in high-income countries procure...

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About the Author

Hello, thank you for visiting my blog. I am Tankeshwar Acharya. Blogging is my passion. As an asst. professor, I am teaching microbiology and immunology to medical and nursing students at PAHS, Nepal. I have been working as a microbiologist at Patan hospital for more than 10 years.

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