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7792 Results for: "MP Biomedicals"

Aldolase, MP Biomedicals

Supplier: MP Biomedicals

One unit is the change in absorbancy of 1.00 per minute at 25 °C, pH 7.5.

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Ketoconazole ≥98%, white powder

Supplier: MP Biomedicals

Ketoconazole is an antifungal agent; Cytochrome P450 inhibitor and demonstrates anti-psoriatic activity. A liver cytochrome responsible for the metabolism of many drug substrates in humans.

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Thapsigargin ≥97%, crystalline powder

Supplier: MP Biomedicals

Thapsigargin may be used to distinguish between discrete intracellular Ca2+ pools. It induces apoptosis in rat thymocytes and in human hepatoma cells.

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Doxorubicin hydrochloride

Supplier: MP Biomedicals

Doxorubicin hydrochloride is a chemotherapeutic, antitumor, immunosuppressive and antibiotic agent

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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.

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Aprotinin, MP Biomedicals

Supplier: MP Biomedicals

A serine protease inhibitor which is reactive against trypsin, chymotrypsin, plasmatic and glandular kininogenases, plasmin, kallkrein, urokinase, clotting factor XIIa, protein C, proteinases of the complement system, and leukocyte and tissue proteinases.

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Molybdenum(VI) oxide, powder ACS

Supplier: MP Biomedicals

Molybdenum Trioxide is used as a precursor to LAMOX fast ion conductors and superconductors. Also Used in the solid state synthesis of a remarkable ternary, reduced molybdenum oxide, Pr4Mo9O18, whose structure contains previously unknown Mo7, Mo13 and Mo19 clusters. The new cluster product is a small band gap semiconductor.

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(±)-1,2-Propanediol, liquid

Supplier: MP Biomedicals

Propylene glycol is a clear, colorless and hygroscopic liquid. Propylene glycol contains an asymmetrical carbon atom, so it exists in two stereoisomers.

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Phosphoenol pyruvic acid trisodium salt hydrate

Supplier: MP Biomedicals

Soluble in water.

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Potassium chloride ≥99%, crystalline powder

Supplier: MP Biomedicals

Potassium chloride is a salt commonly used in the preparation of phosphate buffered saline and for the extraction and solubilization of proteins.

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Red Kidney Beans (Phaseolus vulgaris) Phytohemagglutinin, MP Biomedicals

Supplier: MP Biomedicals

Reconstitution: Reconstitute with water to a final concentration of 1 mg/mL (use 1 mL for the 1 mg size or 5 mL for the 5 mg size) for a final solution of 1 mg/mL in 0.40 mM sodium phosphate, 6 mM NaCl, pH 7.45. Reconstitute with water to a final concentration of 25 mg/mL (0.2 ml water for the 5 mg size). This concentration of the lectin has been used for iontophoresis and neuron transport.

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Pilocarpine hydrochloride, free flowing white powder

Supplier: MP Biomedicals

Pilocarpine hydrochloride is used in neuroscience and opthamology research. It is a parasympathomimetic agent with activity similar to that of acetylcholine.

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Polyvinyl alcohol, M.W. 72,000, pale yellow crystalline powder

Supplier: MP Biomedicals

Polyvinyl Alcohol(PVA) is used as a tissue stabilizer or mounting media in histochemistry. PVA has been used as a preservative. PVA forms microgels in aqueous solution.

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p-Phenylenediamine, flakes

Supplier: MP Biomedicals

P-Phenylenediamine is an anti-fade reagent added to the mounting medium in fluorescence microscopy to retard photobleaching of fluorescein and other fluorescent dyes.

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2-Mercaptoethanesulfonic acid sodium salt (mesna), white powder

Supplier: MP Biomedicals

2-Mercaptoethane Sulfonic Acid Sodium Salt is a thermally stable acidic cofactor in the methyl transfer reaction of methanobacterium.

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ß-Nicotinamide adenine dinucleotide phosphate tetrasodium salt (NADPH-Na4, reduced form) ≥95%

Supplier: MP Biomedicals

50 mg/ml, clear colorless to slightly yellow solution.

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Nalidixic acid sodium salt

Supplier: MP Biomedicals

Nalidixic acid sodium salt is an antibacterial agent (synthetic quinolone antibiotic), which is inhibitor of bacterial DNA polymerase (DNA gyrase) & avian myeloblastoma virus reverse transcriptase.

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Mineral oil, white (petroleum)

Supplier: MP Biomedicals

Useful for preparation of nujol mulls for infrared spectroscopy.

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Salinomycin Sodium Salt

Supplier: MP Biomedicals

Salinomycin sodium salt is a cationophore that promotes transport of Na+ and K+ ions through phospholipid bilayers

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Sudan black B, dark powder

Supplier: MP Biomedicals

Sudan Black B was used to detect native and oxidized low density lipoproteins (LDLs) after separation by capillary isotachophoresis (CITP).

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D-ribulose ≥85%, liquid

Supplier: MP Biomedicals

D-ribulose ≥85%, liquid

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N-Acetylneuraminic acid ≥98%, powder

Supplier: MP Biomedicals

Soluble in water

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Bovine Carbonic Anhydrase (from Erythrocytes), MP Biomedicals

Supplier: MP Biomedicals

Soluble in distilled water or dilute buffer.

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Human beta-2-microglobulin (from Urine), MP Biomedicals

Supplier: MP Biomedicals

β-2-microglobulin (β2-M) is a polypeptide that associates with the heavy chain of class I major histocompatibility complex (MHC) antigens on the cell surface. The interaction is dynamic and plays a critical role in the stability of the MHC antigens and their ability to present peptide antigens in CD8+ cells.

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2,2,6,6-Tetramethylpiperidinooxy (TEMPO, free radical), solid

Supplier: MP Biomedicals

TEMPO is a catalytic oxidant in the iodobenzene diacetae oxidation of nerol to neral. TEMPO has been utilized in the catalytic oxidation of primary alcohols to aldehydes.

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Carmine, red powder C.I. 75470

Supplier: MP Biomedicals

Soluble in ethanol, alkali hydroxides, borax (0.8 mg/ mL), ammonium hydroxide (1 mg/mL), water (8 mg/mL) or ethanol (0.8 mg/mL). The addition of an acid or base can help increase the water solubility. Partly soluble in hot water; practically insoluble in cold water (8 mg/ mL) or dilute acids.

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Sodium hydroxide ≥97%, pellets

Supplier: MP Biomedicals

1g dissolves in 0.9 mL water; 0.3 mL boiling water, 7.2 mL absolute alcohol, 4.2 mL methanol; insoluble in glycerol. The dissolution of sodium hydroxide in water is a highly exothermic reaction. Sodium hydroxide stock solutions should be stored in plastic containers. Glass containers should be avoided in the preparation and storage of sodium hydroxide solutions because it will etch the glass (typically anything over 2 N will etch glass). Keep solutions protected from air as much as possible since contact with air will form sodium carbonate.

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Pyruvate Oxidase, MP Biomedicals

Supplier: MP Biomedicals

One unit causes the formation of one µmole of hydrogen peroxide (half a µmole of quinoneimine dye) per minute at pH 5.7 at 37 °C.

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Dithiothreitol (DTT, Cleland's reagent) ≥99.5%, white powder for electrophoresis

Supplier: MP Biomedicals

DL-Dithiothreitol is also known as Clelands reagent; Protective agent for sulfhydryl groups (-SH). Quantitatively reduces disulfides (-S-S- to -SH). In this reaction the DTT is oxidized to the cyclic disulfide which ensures the reduction of other disulfides in solution. Disulfide reduction occurs quickly at pH 8.
Dithiothreitol is useful for stabilizing sulfhydryl containing enzymes. Effective in sample buffers for reducing protein disulfide bonds prior to SDS-PAGE. DTT can also be used for reducing the disulfide bridge of the cross-linker N,N'-bis(acryloyl)cystamine to break apart the matrix of a polyacrylamide gel. DTT is less pungent and is less toxic than 2-mercaptoethanol.
Useful for stabilizing sulfhydryl-containing enzymes.

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Tris(hydroxymethyl)aminomethane (TRIS, Trometamol) ≥99.9%, white crystalline powder, Ultrapure

Supplier: MP Biomedicals

Tris have been useful as buffers in a wide variety of biological systems. It has been used as a starting material for polymers, oxazolones (with carboxylic acids) and oxazolidines (with aldehydes). It does not precipitate calcium salts and is of value in maintaining solubility of manganese salts. It can be used for the direct standardization of a strong acid solution; the equivalence point can be determined either potentiometrically or by use of a suitable indicator such as 3-(4-Dimethylamino-1-naphthylazo)-4-methoxybenzenesulfonic acid. It is RNAse and DNAse-free. Tris is relatively non-hygroscopic; but, if needed, it can be dried at 100°C for up to 4 hours to remove any water.
Tris is used in pH control in vitro and in vivo for body fluids and in buffering systems for electrophoresis applications. Tris is used in assays used to characterize the activity and kinetics of the enzymes that catalyze SUMOylation of Small ubiquitin-like proteins (SUMO) and SUMO-dependent protein-protein interactions.

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