Congo red is a secondary diazo dye. It is a High Purity Biological Stain. Congo Red is suitable for staining cytoplasm, erythrocytes and collagen. Useful probe for conformational studies of nucleotide-binding enzymes.

* Strong chaotropic agent useful for the denaturation and subsequent refolding of proteins * Used in the isolation of RNA * Solubilizes insoluble or denatured proteins such as inclusion bodies * Can be used for the recovery of periplasmic proteins

Ideal for precipitating nucleic acid.

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…

D-(+)-Trehalose dihydrate is a natural alpha-linked non –reducing disaccharide formed by an α,α-1,1-glucoside bond between two α-glucose units which yields 2 moles of D-glucose upon acid hydrolysis. Has 90% of the calorific content of sucrose. Inhibits polyglutamine-mediated…

Safranine O is a biological stain used in histology, cytology, bacteriology. It is a redox and adsorption indicator.

Potassium sodium tartrate is a double salt. Potassium sodium tartrate tetrahydrate has been used in organic synthesis to break up emulsions in aqueous workups. The compound is an ingredient of Fehling’s solution and Biuret reagent and is used in detection of aldose and ketose functional…

Glucose-6-phosphate dehydrogenase (G-6-PDH) was used as a model to test the effect of seed protein fractions on enzyme protection during dehydration. G-6-PDH has been utilized in assays for nicotinamide adenine dinucleotide and tissue pyridine nucleotides.

Protease Inhibitor Cocktail Kit is a broad spectrum protease inhibitor cocktail which covers both endopeptidases and exopeptidases, non-specific and specific. The cocktail consists of four major protease inhibitors: AEBSF, Sodium EDTA, Leupeptin and Pepstatin A. Protease Inhibitor Cocktail Kit…

CELLect Gold is collected from a U.S.D.A. regulated and monitored abattoir by technicians who work "on-site" where the fetal blood is aseptically collected via cardiac puncture. This raw material is transported to the production facility where it undergoes sterilization via filtration…

Geneclean EZ-Glassmilk is a specially prepared aqueous suspension of proprietary silica matrix that has been treated so that it can be easily resuspended by hand. The slurry allows flexibility of reaction size and volume. Geneclean EZ-Glassmilk will bind up to radioactive isotope-labeled ssDNA…

β-estradiol is a potent mammalian estrogenic hormone produced by the ovary. Triggers the production of gonadotropins leading to ovulation. β-Estradiol is used to study cell differentiation and transformations (tumorigenicity). The pharmacology and HPLC determination of β-Estradiol…

The Growth Hormone (GH) Chemiluminescence Immunoassay kit is intended for the measurement of hGH in human serum.

Lyophilized rabbit IgG fraction to chicken red blood cells and buffer salts.

Glycerol is a simple polyol compound. Glycerol is used both in sample preparation and gel formation for polyacrylamide gel electrophoresis. Glycerol (5-10%) increases the density of a sample so that the sample will layer at the bottom of a gel’s sample well. Glycerol is also used to aid…

Ammonium persulfate is a strong oxidizing agent. It is a radical initiator. Ammonium persulfate is a polymerization catalyst used with TEMED for polyacrylamide gel formation. APS has also been utilized to study protein-protein interactions via photoinitiated crosslinking chemistry. Other…

Sodium phosphate monobasic is a reagent with very high buffering capacity widely used in molecular biology, biochemistry and chromatography. Useful in conjunction with Sodium Dibasic Phosphate, in the preparation of biological buffers. Used in many applications including the purification of antibodies.

Terrific Broth II is a nutritionally rich medium for the growth of E. coli cells containing yeast extract and tryptone in elevated concentrations as well as sodium chloride and vitamins for a luxurious growth. Molecular Biology Certified Proprietary formulation that is shipped as a single…

The antibiotics penicillin and streptomycin are used to prevent bacterial contamination of cell cultures due to their effective combined action against gram-positive and gram-negative bacteria. This solution contains 17,000 - 21,000 units/mL of penicillin and 18.0 - 23.0 mg/mL of streptomycin. …

Fibronectin are adhesive glycoproteins and are found both as cell surface proteins and in plasma. They are large glycoproteins found in cells and extracellular fluids. They are involved in a wide range of biological activities including cell adhesion to extracellular matrices, blood coagulation and…

Molecular biology grade Tween 20 is a non-ionic surfactant used in blocking solutions. Store at room temperature.

Metal Bead Lysing Matrix is used to break hard/brittle samples. Specialty applications include RNA and protein extraction from difficult samples where lysis by impaction only is preferable with minimal amounts of mechanical shearing. Each impact-resistant 1.2 mL well contains four (4)…

Sterile filtered. Normal rat serum may be used as a blocking agent and controls in immunoassays. Rat serum is pooled from a normal donor population.

The Prolactin IRMA Kit is designed to measure prolactin in human serum.

The Glucagon Double Antibody RIA Kit is for the quantitative determination of glucagon in EDTA plasma samples.

RPMI 1640 was originally developed by Moore and his colleagues at Roswell Park Memorial Institute (RPMI). It was based on the RPMI 1630 line of media which utilized a bicarbonate buffering system and alterations in the amounts of amino acids and vitamins. A Dutch Modification of RPMI 1640 is also…

N,N,N',N'-Tetramethylethylenediamin is a tertiary amine base. N,N,N',N'-Tetramethylethylenediamine is used to catalyze the formation of free radicals from ammonium persulfate or riboflavin. The free radicals will cause acrylamide and bis-acrylamide to polymerize to form a gel…

The Prolactin RIA Kit for Rats is intended for the measurement of prolactin in a rat sample.

Potassium phosphate is a reagent with high buffering capacity. It occurs in several forms: monobasic, dibasic and tribasic. Most pH neutral potassium phosphate buffer solutions consist of mixtures of the monobasic and dibasic forms to varying degrees, depending on the desired pH. Potassium…

Lysing Matrix Z contains 2.0 mm diameter Yttria-Stabilized Zirconium Oxide beads. These beads have high density and extremely high hardness making this matrix ideal for cracking of very tough cell walls, while its smooth surface minimizes shearing. Lysing Matrix Z is used primarily for lysis of…

Sodium bicarbonate is a commonly used laboratory chemical. The compound can react with both acids and bases, therefore it can be used as a neutralizer. When reacting with bases the compound forms carbonates. Sodium bicarbonate may be used to remove or wash acidic impurities from a crude liquid to…

Tris is an excellent biochemical and biological buffer for all applications where ultra high purity is required. The pH values of all buffers are temperature and concentration dependent. For Tris buffers, pH increases about 0.03 unit per °C decrease in temperature, and decreases 0.03-0.05 unit per…