Tech Tip: How is Agar Used in Labs?

Cole-Parmer® Potato Dextrose Agar, 500 g jar

Versatile is an apt word for agar as it is found in everything from microbiology cultures to Japanese desserts. Agar is not degraded by bacteria and in labs agar is purified and heated to produce agarose. Agarose is used in electrophoresis for separating and analyzing proteins, DNA, and RNA.

Agar culture media are commonly used for isolation, differentiation, identification, susceptibility, and quality control.Prepared media plates save time and are standardized for consistent performance.

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