Hemoglobin is the major component of red blood cells, and is responsible for their red color. Native hemoglobin from bovine erythrocytes. A major oxygen-transporting component of red blood cells Its normal concentration in erythrocytes is 34%. Hemoglobin is the most important respiratory protein of…

Starch or amylum is a carbohydrate consisting of a large number of glucose units joined by glycosidic bonds. Starch becomes soluble in water when heated. The granules swell and burst, the semi-crystalline structure is lost and the smaller amylose molecules start leaching out of the granule, forming…

N-(1-Naphthyl)ethylenediamine, dihydrochoride is used for colorimetric determination of sulfonamide in blood. It is used for spectrophotometric determiniation of nitrite and nitrate. It is also used as a coupling agent for the spectrophotometric determination of aminophenols, phenylenediamines,…

Small bag with absorbed EtBr safely disposed in solid waste One kit removes 500 mg of EtBr from solutions The EtBr Green Bag Kit allows rapid and trouble-free concentration of ethidium bromide from large volumes of solutions into a small “tea bag” which is then conveniently…

Potassium Iodide is known as Potassium Salt of Hydriodic Acid [HI], available in white crystalline powder form. It is a mild reducing agent and can be easily oxidized to Iodine by powerful oxidizing agent like chlorine. With elemental iodine it forms I3 (tri iodide), the salts of tri iodide are…

Adenosine is a purine nucleoside comprising a molecule of adenine attached to a ribose sugar molecule moiety via a β-N9-glycosidic bond. It plays an important role in energy transfer. It is an endogenous purine nucleoside that modulates physiological process wherein cellular signaling by…

Sorbic acid (2,4-hexadienoic acid) is a straight chain unsaturated fatty acid. It is an antimicrobial agent. The antimicrobial action of sorbic acid is due to its inhibitory influence on various enzymes in the microbial cell such as enzymes involved in carbohydrate metabolism such as enolase and…

α-Ketoglutaric acid disodium salt dihydrate is suitable reagent used in a study to investigate the role of nitric oxide (NO) in mast cell physiology and biochemistry. α-Ketoglutaric acid disodium salt dihydrate (2-Oxoglutaric acid disodium salt) may be used as starting reagent for…

Accutase™ solution is a novel trypsin replacement that exhibits both protease and collagenolytic activities. It maintains most cell surface antigens. It contains proteolytic and collagenolytic enzymes for cell detachment. Accutase™ Cell Detachment Solution is effective in detaching…

* Environmentally safe, biodegradable, non-toxic, and non-flammable * Ready-to-use for a wide variety of aqueous samples * Ideal for samples where load capacity and enhanced tritium counting efficiency is essential

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 in casting gradient gels and as a protein…

Diatomaceous Earth, Acid-washed is an inert material. Diatomaceous earth acid-washed is used as a filtration aid. It is suitable for most routine filtrations.

Applications: FastRNA® Pro Blue Kit is used to isolate total RNA from gram positive and gram negative bacteria. Isolated RNA is suitable for RT-PCR analysis and other downstream applications. Product Description: The FastRNA® Pro Blue Kit is designed to efficiently isolate total…

Sodium bicarbonate is broadly used as a physiological buffer in cell culture applications. The pKa for bicarbonate <-> carbonic acid reaction is 6.4 The pKa for bicarbonate <-> carbonate reaction is 10.3. Sodum bicarbonate has two pKas, 6.4 and 10.3. The compound can react with both…

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…

Ferric Ammonium Citrate is supplemented to the growth media as a source of iron for the micro-organism to be analysed.

The Gastrin Double Antibody RIA Kit is for the quantitative determination of immunoreactive gastrins in serum.

Poly-L-lysine is a nonspecific attachment factor for cells useful in promoting cell adhesion to solid substrates.

The product contains vitamin A acetate (approximately 21%) finely dispersed in a starch-coated matrix of gelatin (approximately 60%), sucrose (approximately 14%) and corn starch (approximately 5%). BHT and BHA are added as antioxidants. Vitamin A Acetate induces cell differentiation and inhibits…

YNB is available with or without ammonium sulfate. YNB is composed of salts, vitamins and trace elements. Some component dropouts are available. To make your own synthetic defined yeast media, start with the YNB of your choice, add a carbon source, the appropriate amino acids, and agar if necessary.

L-(+)-Arabinose is the naturally occurring isomer and is a constituent of plant polysaccharides. L-(+)-Arabinose is used as a substrate to identify, differentiate and characterize pentose sugar isomerase(s). L-Arabinose is used in the bioproduction of L-ribose. L-Arabinose is the naturally…

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…

SC Amino Acid Mixture, also known as Hopkins Mixture, is a Synthetic Complete Supplement Mixture (SC) of amino acids for S. cerevisiae growth media. Molecular Biology Certified For use with DOB or YNB with approoriate carbon and nitrogen sources Used to formulate selected Synthetic…

BioRich 1 with 10 common anchorage dependent cell lines commonly show increased yields from 8% to 114% when compared to standard media in normal serum-containing systems. BioRich 1 also shows elevated growth of hybridoma lines at reduced serum concentrations when compared to normal base media.…

Formaldehyde is used as bactericidal agent. Formaldehyde is used as an embalming agent due to its ability to crosslink primary amino groups in proteins through a methylene linkage; however, due to its extremely toxic nature it tends to be avoided. Formaldehyde is also used in numerous industrial…

Adenosine 5′-diphosphate is a P2Y receptor agonist. Adenosine 5′-diphosphate has been used to study the release, neuronal effects and removal of extracellular β-nicotinamide adenine dinucleotide (β-NAD+) in the rat brain. Adenosine 5′-diphosphate has also been used to…

Protein A is a highly stable surface receptor which is capable of binding the Fc portion of immunoglobulins, especially IgGs, from a large number of species. Each protein A molecule can bind 2 molecules of IgG, allowing the formation of a precipitate. Protein A may be coupled to a wide variety…

Dissolve 8 g of the medium in a liter of deionized or distilled water. Dispense as desired and sterilize at 121°C (15 lbs. of pressure) for 15 minutes. Nutrient Broth is used in many laboratory procedures as is, or with added indicators, carbohydrates, organic liquids, salts, etc. This…

Paraformaldehyde (PFA) is the smallest polyoxymethylene. It is polymerization product of formaldehyde. Paraformaldehyde has been used in the past for disinfecting sickrooms, clothing, linen and sickroom utensils. It has been used as a fumigant and in manufacturing synthetic resins & as a…

Antibodies are produced in rabbits by immunization with feline immunoglobulins and formulated with selected beta globulins including the C3 component of complement. The resulting antiserum is heated at 56°C for 30 minutes to inactivate rabbit complement. Heteroagglutinins are absorbed with…

Ribonucleic acid (RNA) from torula yeast may be used as a substrate for studying ribonuclease activities of enzymes such as ribonuclease-A, ribonuclease T1 (RNAase) and bougainvillea xbuttiana antiviral protein 1 (BBAP1).