Media & Components
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Beef Extract
RPI (Research Products International)Beef Extract is used as a nutrient source in various culture media.
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Bile Salts #3
RPI (Research Products International)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.
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Carrageenan, Iota
RPI (Research Products International)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…
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BHI Broth
RPI (Research Products International)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 …
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Brucella Broth
RPI (Research Products International)Brucella Broth is used for cultivation, enrichment and isolation of Brucella species and other fastidious organisms. Supplied as dehydrated powder. Ingredients: Pancreatic Digest of Casein: 10 g/L Peptic Digest, Animal Tissue: 10 g/L Yeast Extract: 2 g/L Sodium Chloride: 5 g/L …
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Alginic Acid
RPI (Research Products International)From Phaeophyceae (algae). A mixture of polyuronic acids composed of residues of D-mannuronic acid and L-glucuronic acids. Alginates are used as suspending and thickening agents and in the preparation of water miscible gels. Viscosity: 1%, 25 cps.
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Agar, Bacteriological Grade
RPI (Research Products International)To Prepare: Mix 15 grams per liter in Molecular Biology grade water.
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Carrageenan, Kappa
RPI (Research Products International)Kappa carrageenan binds water to form strong, rigid gels in the presence of potassium salts. As the level of potassium is increased, the gel structure becomes tightly aggregated and may result in syneresis (moisture on the gel surface).
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Agar, Plant
RPI (Research Products International)General purpose agar at an economical price. Concentration of 5.5g/L obtains a solid gel strength: (1100g/cm 2 ).
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Ergo-Calciferol
RPI (Research Products International)The synthetic form of Vitamin D. Prepared from ergosterol by UV irradiation in a suitable solvent.
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Columbia CNA Agar
RPI (Research Products International)Selective Agar medium used for the isolation of Gram positive staphylococci and streptococci from clinical specimens. Eliner et al. added colistin nalidixic acid to Columbia Agar to suppress the growth of gram negative bacteria. The addition of 5-10% sheep red blood cells to the base demonstrates…
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Cystine Heart Agar
RPI (Research Products International)Supports excellent growth of gram-negative cocci and other pathogenic organisms. With added hemoglobin it is used for cultivation of Francisella tularensis . Prepare medium by mixing 51 grams of agar medium in 1 Liter of purified water. Mix, heat and autoclave. Cool to 50-60°C. Add 100ml…
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BHI Agar
RPI (Research Products International)Recommended for the cultivation of a wide variety of microorganisms including many types of pathogens. BHI Agar is currently recommended as a general medium for aerobic bacteria and for the primary recovery of fungi from clinical specimens. Dissolve 50 grams in 1L distilled water. Sterilize by…
