1819 Results for: "Pulverizer"
D-(+)-Trehalose dihydrate ≥98%, white powder
Supplier: MP Biomedicals
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.
Expand 4 Items
PIPES free acid, white powder
Supplier: MP Biomedicals
PIPES is a zwitterionic N-substituted aminosulfonic acid "Good" buffer. Buffers can be made by adding a solution of base to PIPES free acid, titrating to the appropriate pH, or by mixing equimolar solutions of the sesquisodium salt and the disodium salt or dipotassium salt, titrating to the appropriate pH.
Expand 4 Items
Dextran sulphate sodium salt, M.W. ∼36000 - 50000, white powder, Colitis Grade
Supplier: MP Biomedicals
Dextran sulphate is a polyanionic derivative of dextran produced by esterification of Dextran with chlorosulphonic acid. Dextran sulphate sodium (DSS) is the sodium salt which is a white to off-white powder freely soluble in water and salt solutions to form a stable, clear solution. The sulphur content is approximately 17% which corresponds to an average of 1.9 sulphate groups per glucosyl residue of the dextran molecule.
Expand 6 Items
3,5-Dihydroxytoluene monohydrate ≥98%, light beige powder
Supplier: MP Biomedicals
Orcinol is used to prepare colorimetric reagents for the determination of RNA, DNA, hexoses and pentoses.
Expand 2 Items
Buffer, TBE (Tris-borate-EDTA) powder for 10X concentrated solution
Supplier: PanReac AppliChem
Powder for 10X concentrated aqueous solution (170,28 g/L). Composed of 0,89 M Tris, 0,89 M boric acid and 0,02 M EDTA.Na₂.
Expand 1 Items
L-Methionine ≥99%, white crystalline powder cell culture reagent
Supplier: MP Biomedicals
Storage: Store at Room Temperature (15-30 °C).
Methionine is one of the common sulfur-containing amino acids. Methionine is a common methyl-group donor to various substrates, such as creatine, epinephrine, ergosterol, and choline.
Expand 4 Items
Adenine hydrochloride ~ 99%, white crystalline powder
Supplier: MP Biomedicals
Adenine is a purine nucleobase. It is widespread throughout animal and plant tissues combined with niacinamide, D-ribose, and phosphoric acids; a constituent of nucleic acids and coenzymes, such as codehydrase I and II, adenylic acid, coalaninedehydrase.
Expand 3 Items
IPTG (isopropyl-β-D-thiogalactopyranoside) ≥99%, white powder
Supplier: MP Biomedicals
IPTG (isopropyl-β-thiogalactoside) is an analogue of allolactose that binds specifically to the repressor protein of the lac operon and induces expression of β-galactosidase in Escherichia coli.
IPTG is a commonly used reagent in cloning procedures that require induction of b-galactosidase activity and is used in conjunction with X-Gal in blue-white color selection of recombinant bacterial colonies.
The final concentration typically used in indicator plates is 0.2 mM.
Expand 3 Items
TRIS HCl (tris(hydroxymethyl)aminomethane hydrochloride) ≥99%, white crystalline powder, Ultrapure
Supplier: MP Biomedicals
Solubility (5% aq soln) clear, colorless solution.
Expand 3 Items
Erythrosin B disodium salt, red powder
Supplier: MP Biomedicals
A red, anionic xanthene dye, has been used as a contrast or counter stain to hematoxylin, crystal violet and other nuclear stains, in both plant and animal tissue.
Erythrosin B Sodium Salt is used as a counter stain to hematoxylin, crystal violet and other nuclear stains, in both plant and animal tissue. Erythosin B dye solution in 0.9% saline is made for intravenous injection to induce occlusion.
Expand 3 Items
Dextran sulphate sodium salt, M.W. ∼ 8,000, white powder, Reagent Grade
Supplier: MP Biomedicals
Dextran sulphate is a polyanionic derivative of dextran produced by esterification of dextran with chlorosulphonic acid. The sulphur content is approximately 17% which corresponds to an average of 1,9 sulphate groups per glucosyl residue of the dextran molecule. Dextran sulphate sodium (DSS) is the sodium salt which is a white to off-white powder freely soluble in water and salt solutions to form a stable, clear solution. The high purity and reproducible quality enables its application in pharmaceuticals and biotechnology industry.
Expand 4 Items
D-(-)-N-Methylglucamine, white powder
Supplier: MP Biomedicals
N-Methylglucamine is used in the synthesis of surface active agents, pharmaceuticals, dyes; an antimonate as antiprotozoal. Used as a Na+ substitute in systems to maintain physiological solutions as isotonic but without sodium. Has also been used in the studies of rabbit cerebral artery, rabbit cardiac myocytes, perfused rat intestine, and frog skeletal muscle.
Expand 2 Items
di-Sodium tetraborate decahydrate 99.5-105.0%, white crystalline powder ACS
Supplier: MP Biomedicals
Sodium borate decahydrate is a mineral, and a salt of boric acid. The term borax is used for a number of closely related minerals or chemical compounds that differ in their crystal water content, but usually refers to the decahydrate.
Expand 3 Items
Alumina B, activity super I, white to light pink free flowing powder, MP EcoChrom™ for dioxin analysis
Supplier: MP Biomedicals
MP EcoChrom™ Alumina, Activity Super I is essentially aluminum oxide, Al2O3, occurring in nature as minerals bauxite, bayerite, corundum, etc. This product meets the high recovery level required for the analysis of polychlorinated dibenzodioxins and dibenzofurans according to VDI Regulation 3499, part I.
MP EcoChrom™ Alumina B, Activity Super I is used for Dioxin analysis. It also been used for all chromatographic processes requiring highest activity and/or highest reproducibility.
Store at Room Temperature (15-30 °C)
Expand 1 Items
Sorbic acid ≥99%, yellow crystalline powder
Supplier: MP Biomedicals
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 lactate dehydrogenase, enzymes of citric acid cycles.
Expand 1 Items
Snap/clip top vials, WHEATON®
Supplier: DWK Life Sciences
These vials are particularly suitable for the storage of powders and 'dry' samples. Vials are manufactured from high quality Type 1B neutral glass. Closures are made from LDPE.
Expand 1 Items
Iron(II) sulphate heptahydrate ≥99%, bluish green granular powder
Supplier: MP Biomedicals
Ferrous sulphate heptahydrate used in the manufacturing of iron compounds, in electroplating baths, aluminium etching, process engraving and lithography, and in redox polymerisation. It is used as a reducing agent in chemical processes, leather dyes and writing inks.
Expand 2 Items
Ammonium heptamolybdate tetrahydrate, white crystalline powder ACS
Supplier: MP Biomedicals
Ammonium Molybdate Tetrahydrate is an analgesic.
Expand 3 Items
Potassium hexacyanoferrate(II) trihydrate 98.5-102.0%, yellow crystalline powder ACS
Supplier: MP Biomedicals
Potassium ferrocyanide trihydrate is a salt of the Fe(CN)₆4- ferrocyanide ion. Ferrocyanide is a reducing iron species, being oxidised from ferrous Fe(II) to ferric Fe(III).
Expand 2 Items
Iron(III) sulphate hydrate, pale gray powder
Supplier: MP Biomedicals
Ferric sulphate is used in dyeing as a mordant, and as a coagulant for industrial wastes. It is also used in pigments, and in pickling baths for aluminum and steel. Medically it is used as an astringent and styptic. It also acts as an important oxidative agent.
Expand 3 Items
Trypan blue, dark green, dark green powder
Supplier: MP Biomedicals
Trypan blue is a blue acid dye with a strong affinity for cellulose containing substrates such as cotton; less affinity for proteinaceous materials.
Expand 2 Items
L(+)-Histidine ≥99%, white crystalline powder cell culture reagent
Supplier: MP Biomedicals
Storage: Store at Room Temperature (15-30 °C.)
L-histidine is one of the three amino acids with a basic side chain, and is very hydrophilic in character. It contains an imidazole group in the side chain.
L-Histidine has been used to study cultures of the human T-lymphoblastic leukemia cell line MOLT-4 to study modulation of apoptosis. It is used in treatment of rheumatoid arthritis, allergic diseases, ulcers & anemia.
Precursor of histamine by action of histidine decarboxylase.
Expand 3 Items
Ursodeoxycholic acid ≥99%, white powder
Supplier: MP Biomedicals
Ursodeoxycholic acid (UDCS) is a cell protectant used extensively to mitigate hepatic and biliary diseases. Ursodeoxycholic acid may be used to study its specific activities that range from reduction of cholesterol absorpition, cholesterol gallstone dissolution to suppression of immune response.
Expand 3 Items
Disodium hydrogen phosphate, anhydrous, white crystalline powder ACS
Supplier: MP Biomedicals
Sodium dibasic anhydrous is used as a sequestrant, emulsifier and buffer in foods, as mordant in dyeing for weighting silk, in tanning, in manufacturing of enamels, ceramics, detergents, boiler compounds; as fireproofing agent in soldering and brazing instead of borax; as reagent and buffer in analytical chemistry, cathartic.,laxative.
Expand 4 Items
Manganese(II) chloride tetrahydrate, crystalline powder
Supplier: MP Biomedicals
Manganese chloride is used as a source of manganese ion in biological research, such as in studies of manganese uptake in rat liver and of inhibition of Mycoplasma strain growth.
Expand 2 Items
di-Sodium tetraborate decahydrate ~99%, white powder
Supplier: MP Biomedicals
Borax is a salt of boric acid which is used as a buffer. It has a co-complexing ability with other agents in water to form complex ions with various substances. It is also commonly utilized in chromatography and electrophoresis studies.
Expand 1 Items
Solvent blue 35, dark red/purple almost black powder C.I. 61554
Supplier: MP Biomedicals
Solvent Blue 35 is a member of the Sudan family of hydrophobic fat-staining dyes. In structural classification it is a diazo dyes.
Solvent Blue 35 is predominantly used for staining triglycerides in animal tissues (frozen sections). With the use of certain solvents, may also be used to stain some protein bound lipids in paraffin sections.
Expand 2 Items
Gum arabic, spray-dried powder FCC
Supplier: Spectrum Chemical
Gum Arabic, Spray-Dried Powder, FCC is used in the food industry as an emulsifier, a confectionary coating and as a soluble dietary fiber. The FCC grade meets the requirements of the Food Chemical Codex indicates and is suitable for all food, beverage and nutritional supplement applications. Spectrum Chemical offers over 300 Food grade chemical ingredients packaged in laboratory size bottles to production drum quantities and are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP) per 21CFR part 211 in FDA registered and inspected facilities.
Expand 2 Items
HEPES (2-[4-(2-hydroxyethyl)-1-piperazinyl]ethanesulphonic acid) free acid ≥98%, white powder
Supplier: MP Biomedicals
HEPES is a zwitterionic organic chemical buffering agent; one of the twelve Good's buffers.