Dehydrated Microbiology Media
Research Products International Corp RESEARCH PRODUCTS INTERNATIONAL CORP
NC3989310 LACTOBACILLI MRS AGAR 500 GR
United States Biological Corporation YEAST NITRGEN BSE W/O AA 500GR
Yeast Nitrogen Base (YNB) media have been prepared according the formulae of Wickerham (1943-51) and Burkholder (1943). YNB is a well defined composition of salts, vitamins, amino acids and a nitrogen source for a vigorous growth of Sacharomyces cerevisiae. Yeast Nitrogen Base without amino acids (YNB w/o AA), Y2025, is used for selecting yeasts based on amino acid and carbohydrate requirements. In Y2025, Ammonium Sulfate is included as a readily available nitrogen source for nitrogen assimilation. The medium includes all other vitamins, mineral salts and trace elements required for a vigorous growth of yeast cells. Compared to full YNB medium, Y2025 lacks Histidine, Methionine and Trypthophan. In combination with €œDrop Out € medium supplement mixtures, Y2025 provides an excellent medium to cultivate and select auxothophic strains of yeast that requires the addition of essential nutrients like amino acids and/or vitamins.
Alkali Scientific R2A Agar, 20mL Mono Plates, 100x15mm, 10/Pk
R2A Agar (Reasoner's 2A Agar) is a low nutrient microbiological growth medium designed for the cultivation and enumeration of heterotrophic bacteria in treated water, including potable water, bottled water, and pharmaceutical grade purified water. Its reduced nutrient formulation supports the recovery of stressed, chlorine exposed, or slow growing organisms that may not grow well on nutrient rich media. These ready to use mono plates contain 20mL of agar poured into standard 100 x 15mm Petri dishes, ensuring consistent surface depth for reliable colony development and sample spreading. Mono packaging helps reduce contamination risk while supporting environmental monitoring programs in GMP, ISO, and USP compliant laboratories. Ideal for water quality testing, cleanroom monitoring, and microbiological analysis in pharmaceutical, hospital, and biotechnology facilities.
Alkali Scientific MacConkey Inositol Carbenicillin Agar Plate, 10/Pk
MacConkey Inositol Carbenicillin Agar (MICA) is a specialized selective medium developed for the isolation and identification of Klebsiella species, particularly Klebsiella pneumoniae, from mixed microbial samples. This formulation modifies standard MacConkey agar in two key ways. Lactose is replaced with inositol as the fermentable carbohydrate, which Klebsiella species readily metabolize to produce acid. The medium is also supplemented with the antibiotic carbenicillin, which suppresses many competing Gram negative and Gram positive organisms. When Klebsiella ferments inositol, colonies appear pink to red due to acid production and often exhibit a characteristic mucoid appearance from capsule formation. These features allow reliable differentiation of Klebsiella from other organisms present in clinical or environmental samples.
Alkali Scientific YEPD w/Geneticin 25mL Plate, 10/Pk
YEPD w/Geneticin 25mL Plate, 10/Pk, used for yeast culture in laboratory applications. This selective media product is ideal for isolating yeast strains, offering reliable growth conditions for yeast propagation and genetic research.
Alkali Scientific LB Agar (Lennox) w/100 µg Ampicillin 20mL Plate, 10/Pk
LB Agar (Lennox) with Ampicillin is a selective microbiological medium designed for the isolation of plasmid transformed Escherichia coli in molecular biology applications. Each plate contains 20mL of Lennox formulation LB agar supplemented with 100 µg/mL ampicillin, the standard concentration used for maintaining plasmids that carry the beta lactamase resistance gene. The antibiotic inhibits cell wall synthesis in susceptible bacteria, preventing growth of non transformed cells while allowing resistant colonies to develop. The Lennox formulation contains a reduced sodium chloride concentration compared with the Miller formulation, providing a balanced ionic environment compatible with many cloning workflows and antibiotic selection protocols. This ready to use medium simplifies laboratory procedures by eliminating the need to add antibiotics to molten agar during plate preparation.
Alkali Scientific Sabouraud Dextrose Agar w/ Chloramphenicol, 15x100mm, 25mL, 10/pk
Sabouraud Dextrose Agar with Chloramphenicol, 15×100mm plates containing 25 mL of medium, is a selective culture medium designed for the isolation, cultivation, and enumeration of fungi including yeasts and molds. The formulation features a slightly acidic pH and a high dextrose concentration that favors fungal growth while inhibiting many bacterial contaminants. The addition of chloramphenicol further suppresses bacterial growth, improving the recovery of fungal organisms from mixed samples. This medium is widely used in clinical mycology, pharmaceutical quality control, food and beverage testing, and environmental microbiology. Each plate is pre poured with sterile agar to a consistent depth to provide reliable growth conditions, reproducible results, and convenient handling in routine microbiology laboratory workflows.
Bioworld Terrific Broth, 24-gram capsules, 50 Capsule(s)
Terrific BrothUsed with glycerol in cultivating recombinant strains of Escherichia coliConvenient premeasured and pre-mixed 24g capsulesHighly enriched medium developed by Tartoff and Hobbs to improve yield in plasmid-bearing E. colipH: 7.2Dissolve in 2 capsules in 1L purified water with 4mL glycerolPrepared Appearance: light to medium amber brothSoluble in water/glycerol mixtureContains:Pancreatic Digest of CaseinYeast ExtractDipotassium PhosphateMonopotassium Phosphate
Bioworld YT broth (2x), 100 g
Nutritionally enriched medium for the growth of recombinant strains of E. Coli and in the preparation and transformation of competent cells.Contains (g/L): Tryptone: 16 g Yeast Extract 10g Sodium Chloride 5gInstruction to Use: Dissolve 31g in one liter distilled water. Heat solution to boiling with continuous stirring. Sterilize by autoclaving at 121°C for 15 minutes. Final ph@ 25°C: 6.8-7.2. This product is sold for laboratory research use only.
Alkali Scientific Standard Methods Agar (PCA) w/.5% Tween 80 20mL Plate, 10/Pk
Standard Methods Agar, also known as Plate Count Agar, is the internationally recognized medium for determining the total viable count of aerobic microorganisms in food, water, and dairy samples. This formulation includes Tween 80, a surfactant that improves microbial recovery from fatty or difficult to mix samples. The emulsifying action helps disperse fat droplets and microbial clumps, allowing bacteria trapped within these particles to grow as individual colonies. By improving dispersion and colony separation, the medium produces more accurate microbial counts. Plate Count Agar is widely used in food safety testing, water quality analysis, and microbiological quality control programs.
ATHENA ES APF LB Broth Miller
Athena offers three variations of the basic nutrient-rich LB Broth media (Miller, Lennox, and Luria) as well as their APF Certified™ equivalents made using Athena’s proprietary blended plant protein hydrolysate: Atholate™. The formulations each provide an abundance of peptides and peptones, vitamins and trace elements, and differ only in sodium chloride content and whether they were made with casein hydrolysate or Atholate™. The differences allow the researcher to select which formula will provide the ideal osmotic conditions for their particular bacterial strain and desired culture conditions. Each LB Broth and APF LB Broth can be custom ordered in bulk.
Alkali Scientific EE Broth (Mossel) For Enterobacteriaceae Enrichment, 1L
EE Broth (Mossel), also known as Enterobacteriaceae Enrichment Broth, is a selective enrichment medium used for the detection and recovery of Enterobacteriaceae from food, water, pharmaceutical, and environmental samples. Developed according to Mossel’s formulation, the medium promotes the growth of sub lethally injured Enterobacteriaceae while suppressing many competing microorganisms. The formulation contains glucose, bile salts, brilliant green dye, and phosphate buffers that create a selective environment favoring the recovery of Enterobacteriaceae while inhibiting Gram positive bacteria and many non target Gram negative organisms. This broth is commonly used as a pre enrichment step prior to selective plating or biochemical confirmation tests. Supplied in ready to use bottles, it supports high volume testing and routine microbiological quality control procedures.
Alkali Scientific Tryptic Soy Broth, 13x100mm, Screw Cap, 10/Pk, 15mL, Glass
Tryptic Soy Broth (TSB) is a versatile, nutrient rich liquid culture medium designed for the cultivation and recovery of a wide range of aerobic and facultative anaerobic microorganisms. Available in multiple fill volumes and packaged in durable glass or plastic tubes with secure screw caps, these ready to use formats support routine microbiological workflows across clinical, pharmaceutical, environmental, and industrial laboratories. Formulated to promote robust growth of both fastidious and non fastidious organisms, TSB is widely used for sterility testing, microbial enrichment, culture maintenance, and quality control applications. Pre filled tubes help standardize workflows while minimizing preparation time and contamination risk, ensuring consistent results in microbiology laboratories.
Alkali Scientific Fluid Thioglycollate Medium (FTM) 750mL Bottle, 1/Pk
Fluid Thioglycollate Medium (FTM) is a versatile enrichment broth widely used in clinical, pharmaceutical, and industrial microbiology for sterility testing and microbial cultivation. Each bottle contains 750mL of nutrient rich medium capable of supporting aerobic, anaerobic, and microaerophilic organisms. The formulation includes sodium thioglycollate and L cystine, which reduce oxygen levels and create anaerobic conditions deeper in the broth. A small amount of agar increases viscosity and prevents convection currents, helping maintain a stable oxygen gradient throughout the medium. Resazurin functions as an oxidation reduction indicator, turning pink in oxygenated areas while remaining clear in anaerobic zones. This gradient allows organisms with different oxygen requirements to grow within a single container, making the medium particularly valuable for sterility testing and routine microbiological quality control.
United States Biological Corporation LB Broth Lennox, Powder, 2.5 kg
LB Lennox, a nutritionally rich medium, was developed by Lennox for the growth and maintenance of pure cultures of recombinant strains of E. coli. These strains are generally derived from E. coli K12 which are deficient in B vitamin production. LB Broth media formulations have been industry standards for the cultivation of Escherichia coli since the 1950’s. These media have been widely used in molecular microbiology applications for the preparation of plasmid DNA and recombinant proteins.