Citric acid acts as an iron chelator. It can support cholesterol/sterol, ubiquinone and isoprenoid biosynthesis in cell culture applications. In animals, citric acid improves the utilization of nutritional calcium. It is a useful buffer component.

Metronidazole ia an antiprotozoal (Trichomonas), a limited spectrum antibiotic that actively deters the growth of protozoa, anaerobic gram-positive, and anaerobic gram-negative bacteria. Metronidazole suppress protozoans such as Entamoeba histolytica, Giardia lamblia and Trichomonas vaginalis.…

Molecular biology grade Tris (Tris-(Hydroxymethyl) aminomethane) buffer (pH 8-9) is used for the preparation of buffer solutions for restriction enzymes or nucleic acid modifying enzymes. Tris base should be stored dry at room temperature.

Pepsin, an acid protease, contains a proteolytic enzyme. Pepsin contains the "cathepsin" component which has milk curdling activity. It has a broad range of substrate activity and demonstrates an esterase acitivity. It generally attacks peptide bonds. Pepsin is a peptidase used to…

A buffer solution of HEPES can be prepared by any of several methods. The free acid can be added to water, then titrated with approximately one-half mole equivalent of sodium hydroxide or potassium hydroxide to the desired pH. A simple mixing table for preparing 0.05 M HEPES/NaOH has been…

Salicylaldehyde azine is used in the preparation of 2-oxo-2H-1-benzopyran-3-carboxylic acid 2-(2-oxo-2H-1-benzopyran-3-carbonyl)hydrazide by reacting with propadienedione. It has anthelmintic activity.

Dimethyl sulfoxide is a dipolar, aprotic solvent. Has been shown to accelerate strand renaturation (1-10% concentration) and is believed to give the nucleic acid thermal stability against depurination. Dimethyl sulfoxide is used to enhance dermal absorption of many chemicals. A solvent for many…

8-Anilino-1-naphthalene Sulfonic Acid is a hydrophobic polarity sensitive fluorescent dye useful as a site probe to detect conformational changes in cell and micelle membranes and molecules such as proteins. ANSA is also used as a fluorescent probe for the estimation of the critical micelle…

Myco-Sniff-Rapid Mycoplasma Luciferase Detection Kit offers a rapid (20 mins), simple and sensitive method for detection of mycoplasma contamination in cell cultures. This innovative kit utilizes the activity of mycoplasma metabolic enzymes from most mycoplasma species, including those commonly…

Vancomycin inhibits bacterial mucopeptide biosynthesis. Vancomycin is a glycopeptide antibiotic that blocks bacterial cell wall biosynthesis at the level of peptidoglycan biosynthesis. It inhibits incorporation of terminal D-alanyl-D-alanine moieties of the NAM/NAG-peptides. It is effective against…

Lecithin from Soy, Refined, is a natural mixture of phospholipids consisting of phosphatidyl choline, phosphatidyl ethanolamine, and phosphatidyl inositol. In soybean lecithin the predominant fatty acid is polyunsaturated linoleic acid, amounting to about 70% of the fatty acids present. …

7X cleaning solution was developed for safe and effective cleaning of laboratory instruments and glassware. 7X-O-Matic is a powerful wetting and penetrating agent, which contains a non-ionic surfactant and a hydro-trope to complex phosphates. 7X-O-Matic was designed to clean under pressure, heat…

Apoferritin is the Protein shell of ferritin. Calibration of gel filtration columns and sodium dodecyl sulfate (SDS)-polyacrylamide gel electrophoresis Acts as an anti-oxidant When added to cultured endothelial cells apoferritin is taken up in a dose-responsive manner and appears to…

Polyethyleneimine is a branched chain polymer having a ratio of 1:2:1 of primary:secondary:tertiary amines with a branching site every 3 to 3.5 nitrogen atoms and a base structure of (CH₂CH₂NH)x. The nitrogen atoms must be protonated to achieve cationic charge, so the cationic…

Replacement tips for for 10-100 µL postive displacement pipettor (catalog number 07WS1075). Capillaries and pistons are pre-assembled and presterilized, in racks of 60.

Lysing Matrix A is used for all sample types except soil for the subsequent isolation of genomic DNA. Garnet matrix and 1/4-inch ceramic sphere Impact resistant tubes Use for all sample types except soil Isolate genomic DNA, RNA, functional proteins and other metabolites and…

Glutathione suppresses human immunodeficiency virus expression in chronically infected monocytic cells. It is a useful tripeptide involved in many aspects of metabolism, including transport of g-glutanyl amino acids and reductive cleavage of disulfide bonds.

* Tube contains 1.4 mm ceramic spheres * Used to grind soft animal and plant tissues and nematodes Lysing Matrix D 2 mL tube contains 1.4 mm ceramic spheres and has green caps.

DNA-Erase™ is a non-alkaline, non-corrosive and non-carcinogenic cleansing solution that is highly active against DNA contamination and is intended for use at PCR workstations for eliminating PCR artifacts from all laboratory surfaces, including benchtops, apparatus and pipettors. Presence of…

Lithium Bromide

Boric acid has a single boron; its salt forms complex equilibria in solution, with the ion B4O7-2 being the predominant species. Boric acid is used for weatherproofing wood and fireproofing fabrics; as a preservative; manufacturing of cements, crockery, porcelain, enamels, glass, borates,…

The FastDNA SPIN Kit for Soil is designed to isolate bacterial, fungal, plant, and animal genomic DNA from soil and other environmental samples. Soil is processed by a FastPrep instrument and Lysing Matrix E tubes designed to efficiently lyse all microorganisms. The released DNA is purified by a…

Gum Arabic can be branched polymer of galactose, rhamnose, arabinose, and glucuronic acid as the calcium, magnesium, and potassium salts. It is used in textiles, ceramics, lithography, cosmetics and pharmaceuticals. In the food industry, acacia is mainly used as confectionery, bakery, dairy,…

Each impact-resistant 4.5 mL tube contains 1.4 ceramic spheres, 0.1 mm silica spheres, and 2 (two) 4 mm glass beads. Lysing Matrix E is primarily used for environmental samples such as soil, sludge, wastwater and feces. Lysing Matrix E can also be effective in lysing mixed samples, such as microbe…

CSM-Ura is a single dropout time tested formulation of complete supplement mixture (CSM) of amino acids for S. cerevisiae growth media. It is available in complete and dropout formulations. Molecular Biology Certified For use with DOB or YNB with the appropriate nitrogen and carbon sources…

Cell Culture Reagent, White Powder CAS Number: 69-52-3 Molecular Formula: C₁₆H₁₈N₃O₄SNa Molecular Weight: 371.4 Ampicillin sodium salt is a semi-synthetic derivative of penicillin, active as a broad-spectrum antibiotic. It is inactivated by…

In-gel manipulation, no gel purification necessary Finer sieving properties vs. standard melt agarose High clarity Suitable for viral plaque assays QA-Agarose Low Melting has finer sieving characteristics than standard melt agaroses and is for separation of DNA/RNA fragments…

Human chorionic gonadotropin (HCG), a polypeptide hormone produced by the human placenta, is composed of an alpha and a beta sub-unit. The alpha sub-unit is essentially identical to the alpha sub-units of the human pituitary gonadotropins, luteinizing hormone (LH) and follicle-stimulating hormone…

Acetic Acid, Glacial is an excellent solvent for many organic compounds. Acetic acid is widely used in manufacturing either as starting material or as a solvent. In the food industry, dilute solutions are used for preparation and preservation. Because acetic acid is a weak acid, it is effective as…

Streamline protocol Ready-to-Use Mastermix Increased Sensitivity, Yields, and Processivity

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…