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beta-Galactosidase, MP Biomedicals

Supplier: MP Biomedicals
Description: Inhibitors: p-Chloromercuribenzoate, lodoacetamide, heavy metal ions (Zn²⁺, Fe²⁺, Zn²⁺, Cd²⁺, Cu²⁺, Pb²⁺, Ag⁺, Hg²⁺), Ionic Detergents (SDS, DAC, etc.). Contaminants: The preparation is practically free from other glycosidases (a-galactosidase, a-,b-glucosidase, a-,b-mannosidase, etc.) and proteinase. Principle: o-Nitrophenyl-b-D-galactopyranoside (ONPG) b-galactosidase > <i>o</i>-Nitrophenol (ONP) +D-Galactose. The appearance of o-nitrophenol is measured at 410 nm by spectrophotemetry. Thermal stability: below 50 °C (pH 7,3; 15 min) (Lit.), Optimum Temperature: 50 to 55 °C (Lit.).

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Streptozocin ≥97% (~75% α-anomer basis), off-white powder

Supplier: MP Biomedicals
Description: Streptozotocin, a glucosamine-nitrosourea, is a DNA alkylating agent that enters cells exclusively via the GLUT2 glucose transport protein. Streptozocin, a diabetagen, is especially toxic to pancreatic islet insulin-producing β-cells. It is toxic to GLUT2 positive neuroendocrine tumor cells.

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Alphazurine A, powder C.I. 42080

Supplier: MP Biomedicals
Description: Soluble in water (1 mg/mL).

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Retinol all trans all trans (synthetic), orange powder

Supplier: MP Biomedicals
Description: Retinol is one of the animal forms of vitamin A. It is a diterpenoid and an alcohol.

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Trimethoprim, white powder

Supplier: MP Biomedicals
Description: Trimethoprim is an antibacterial agent; a specific inhibitor of formylation; a dihydrofolate reductase inhibitor.
Trimethoprim is primarily used as an antibacterial agent. It has dihydrofolate reductase inhibitor activity with selectivity for the prokaryote enzyme. It is used to treat urinary tract infections, mild acute prostatitis, recurrent cystitis, asymptomatic bacteriuria during pregnancy and respiratory tract infections.
The combination of trimethoprim and sulfamethoxazole interferes with the cellular metabolism of folic acid in the bacterial cell by blocking the biosynthesis of nucleotides. Trimethoprim binds to dihydrofolate reductase and inhibits the reduction of dihydrofolic acid (DHF) to tetrahydrofolic acid (THF). THF is an essential precursor in the thymidine synthesis pathway and interference with this pathway inhibits bacterial DNA synthesis.

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L(+)-Cysteine, white powder

Supplier: MP Biomedicals
Description: L-cysteine is used in producing antioxidants. It also promotes healing of severe burns, fat burning and helps build muscle and promotes the activity of white blood cells. It is a precursor in the food, pharmaceutical, and personal care industries.

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L(-)-Tyrosine, off-white powder cell culture reagent

Supplier: MP Biomedicals
Description: Storage: Store at room temperature (15-30 °C)
L-Tyrosine is one of the three aromatic amino acids, and is formed from the hydroxylation of phenylalanine.
L-Tyrosine is used in cell culture media and is a component of MEM amino acids solution. L-Tyrosine has been used in a cell culture study of the amino acid transport system b0,+ in epithelial cells isolated from chicken jejunum.

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5-Iodo-2'-deoxyuridine (Idoxuridine) ≥99%, crystalline

Supplier: MP Biomedicals
Description: 5-Iodo-2'-deoxyuridine (Idoxuridine) ≥99%, crystalline

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Guanosine 5'-triphosphate disodium salt ≥98%, white powder

Supplier: MP Biomedicals
Description: Guanosine-5'-triphosphate, a purine nucleotide is required as a coenzyme for protein biosynthesis in a cell-free system.

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Capreomycin sulphate

Supplier: MP Biomedicals
Description: Capreomycin is a cyclic peptide antibiotic that is often grouped with aminoglycosides.

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Sodium hydrogen carbonate ≥99.5%, white powder

Supplier: MP Biomedicals
Description: Soluble in water (100 mg/ml).

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3-Nitrophenol, crystals

Supplier: MP Biomedicals
Description: Soluble in ethanol and water.

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Butyric acid ≥99.5%

Catalog Number: (ICNA0210116980)
Supplier: MP Biomedicals
Supplier Article Number:: 0210116980
Description: Butyric acid is used in the preparation of various butyrate esters. Low-molecular-weight esters of butyric acid, such as methyl butyrate, have mostly pleasant aromas or tastes. As a consequence, they find use as food and perfume additives. It is also used as an animal feed supplement, due to the ability to reduce pathogenic bacterial colonization.
UOM: 1 * 100 g

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Toluidine blue O, powder C.I. 52040

Catalog Number: (ICNA0215264925)
Supplier: MP Biomedicals
Supplier Article Number:: 0215264925
Description: Toluidine blue O is useful as a metachromatic nuclear stain.
UOM: 1 * 25 g

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Dehydrated culture media, Terrific broth I & II, MP Biomedicals

Supplier: MP Biomedicals
Description: Terrific broth (TB) has been formulated for optimum growth of <i>Escherichia coli</i> for purposes of strain maintenance, cloning, protein expression. It is certified for plasmid and other bacterial cultures in liquid medium. Higher cell densities are achieved using this broth.

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Dehydrated culture media, EMM media, MP Biomedicals

Supplier: MP Biomedicals
Description: EMM (Edinburgh Minimal Medium) is a minimal defined medium for the growth of fission yeast <i>Schizosaccharomyces pombe</i>.

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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at +65 6505 0760.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at +65 6505 0760.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR at sales@sg.vwr.com
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This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at +65 6505 0760.
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