Author: Sharda Hiremath

In my current role as a Quality Control Microbiologist, I am responsible for conducting routine microbial testing on raw materials, in-process samples, and finished products to ensure they meet stringent…

There are 3 types of water system validation:

21 CFR Part 11 is a regulation by the FDA that establishes the criteria for electronic records and electronic signatures to be considered trustworthy, reliable, and equivalent to paper records.…

In microbiology, media is allowed to cool to around 45°C before pouring plates to prevent condensation and maintain the viability of any added supplements.If the media is too hot when…

The expiration period for prepared media in microbiology laboratories depends on the type of media, storage conditions, and validation studies conducted.Media expiration dates are primarily based on validation studies that…

Sodium thiosulfate is used to dechlorinate water samples before microbiological testing to ensure the results accurately reflect the water quality at the time of collection.It neutralizes any residual chlorine in…

In the pharmaceutical industry, a deviation is a difference between an observed value and an expected value for a product or process condition. Deviations can also be a departure from…

The Feller correction is a mathematical adjustment applied to microbial air sampling to correct for the “overlap” of particles on the sampling plate. When using a microbial air sampler, there…

BTGN (Bile-Tolerant Gram-Negative bacteria) refers to a group of Gram-negative bacteria that can grow in the presence of bile salts. It is mainly used as an indicator of hygiene and…