Beef Extract is used as a nutrient source in various culture media.

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Miller's LB broth is based on the original Lysogeny Broth (LB) media formulation developed by Luria and Bertani, which was designed for the rapid propagation of recombinant E. coli strains.  Miller's LB contains a 20-fold concentration sodium chloride compared to the original…

Preparation Method Reagents are tested and chosen for their ability to promote optimum growth of E. coli when combined in LB Medium, Lennox formulations. Chosen reagents are combined in the accurate proportions according to the formula listed above and thoroughly blended for a uniform…

Bile Salts No. 3 is refined bile salt, comprising mainly of sodium cholate and sodium deoxycholate. It is used in media as a agent to isolate enteric organisms and coliforms. It is an excellent inhibitor of gram positive bacteria such as streptococci and staphylocci.

Percoll® is a medium for density gradient centrifugation of cells, viruses and subcellular particles. Percoll® is composed of colloidal silica coated with polyvinylpyrrolidone (PVP), which renders the material completely non-toxic and ideal for use with biological materials. Centrifugation…

A purified agar that is a fine light colored powder that is used as a solidification agent in the preparation of microbiological culture media. Features Synonym: Agar-agar, Gum agar Linear Formula: (C₁₂H₁₈O₉)_n CAS Number: 9002-18-0 …

For the chromogenic-fluorogenic detection and enumeration of  E. coli in water by the membrane filter technique. Conforms with U.S. EPA-approved method 1603.

LB-Medium, Lennox Powder is Luria-Bertani, Rich Medium for the growth of E. coli and certified for plasmid and other bacterial cultures in liquid medium. Molecular Biology Certified Widely used in molecular biology Supports a luxurious groth of E. coli cells Tryptone and yeast…

YNB is a well defined composition of salts, vitamins and a nitrogen source for a vigorous growth of Saccharomyces cerevisiae. Molecular Biology Certified Component of synthetic defined yeast media Reagents are tested and chosen for their ability to promote optimum growth of S.…

Tryptic Soy Broth is a highly nutritive and very versatile medium recommended for general use in the laboratory. The medium promotes abundant growth of fastidious microorganisms without the necessity of adding serum and other materials. Tryptic Soy Broth is used for the cultivation of fastidious…

Iota carrageenan binds water to form dry, elastic gels in the presence of calcium salts. Ca2+ establish bonds between the carrageenan molecules to form helices. The negative charges associated with the 2-sulfate groups on the iota carrageenan molecules do not allow the helices to aggregate to the…

Trypsin is a porcine pancreas-derived enzyme that is commonly used for the dissociation and disaggregation of anchorage-dependent mammalian cells and tissues. The concentration of trypsin necessary to dislodge cells from their substrate is dependent primarily on the cell type and the age of the…

Tryptone is an assortment of peptides generated by the tryptic digestion of casein.   It is commonly used in microbiology to produce Lysogeny broth for the growth of E. coli and other microorganisms, as it provides a source of amino acids.   Features Synonym: …

Preparation Method Media Preparation: Reagents are tested and chosen for their ability to promote optimum growth of E. coli when combined in LB Agar Medium formulations. Chosen reagents are combined in the proper proportions according to the LB Agar formulation and thoroughly blended for a…

ZymoBroth (ZB) is a specially formulated growth medium used for the preparation of highly competent E. coli cells for DNA transformation. When compared to classic SOB growth medium, ZymoBroth dramatically increases transformation efficiency, typically on the order of 5 - 100 fold (depending on the…

Recommended for the cultivation of rare microorganisms. Adding 0.1% Agar will enhance the growth of anaerobic organisms. Store at room temperature and protect from moisture and light. Ingredients: Brain Heart Infusion from solids: 17.5 g/l Pancreatic Digest of Gelatin: 10.0 g/l …

Double dropout of Complete Supplement Mixture (CSM) of amino acids for S. cerevisiae growth media. Molecular Biology Certified For use with DOB or YNB with the appropriate nitrogen and carbon sources to custom formulate your own selective Synthetic Defined yeast media Select for yeast…

Sodium pyruvate is used by cells as an easily accessible carbohydrate source. Additionally, it is involved with amino acid metabolism and initiates the Kreb′s cycle. The 100 mM solution should be diluted 1:100 for most cell culture. The use of sodium pyruvate in Wallen fermentation medium to…