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This passive sampling method involves placing plates with growth media in critical areas to collect airborne microbes that settle from the environment. It’s typically done in controlled environments like cleanrooms. - ๐๐ข๐ซ ๐๐๐ฆ๐ฉ๐ฅ๐ข๐ง๐
This active sampling technique uses an air sampler to pull a specific volume of air through or onto a growth media to capture and quantify airborne microorganisms. It’s especially useful in identifying contamination levels in air. - ๐๐จ๐ง๐ญ๐๐๐ญ ๐๐ฅ๐๐ญ๐
Contact plates, or surface sampling, use plates with growth media to monitor microorganisms on surfaces by directly applying the plate to areas like equipment and walls to check for microbial contamination on surfaces. - ๐๐จ๐ฆ๐ฉ๐ซ๐๐ฌ๐ฌ๐๐ ๐๐ข๐ซ ๐๐ง๐ ๐๐ข๐ญ๐ซ๐จ๐ ๐๐ง ๐๐๐ฌ ๐๐จ๐ง๐ข๐ญ๐จ๐ซ๐ข๐ง๐
This test ensures that compressed air and nitrogen used in production or packaging are free from microbial contaminants. Sampling these gases can be done by releasing them onto an agar plate which is then incubated to detect any microbial growth. - ๐
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The Finger Dab method is used to monitor microbial contamination on gloves in controlled environments. Personnel press their gloved fingers onto a contact plate with growth media after completing tasks in sterile areas. The plate is then incubated, and any microbial growth is counted to assess contamination. This ensures personnel adhere to aseptic practices, preventing contamination in critical areas.
