You Searched For: Methyl+Yellow

Supplier: Thermo Scientific

Description: Methyl yellow indicator

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Catalog Number: (VWRC87955.180)

Supplier: VWR Chemicals

Description: Titan yellow 0,05% in aqueous solution Reag. Ph. Eur. 1090902

UOM: 1 * 100 mL

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Catalog Number: (ALFA42747.AE)

Supplier: Thermo Scientific

Supplier Article Number:: 42747.AE

Description: Transition interval: pH 0.2 (yellow) to pH 1.8 (blue)

UOM: 1 * 100 mL

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Catalog Number: (VWRC0431-25G)

Supplier: VWR Chemicals

Description: pH indicator goes from yellow to blue over a range of 6.0 to 7.6. Used to trace movement of fluids from the lymph and also for demonstration of fungal hyphae within plant roots.

UOM: 1 * 25 g

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Supplier: MP Biomedicals

Description: Reactive yellow 86, yellow powder

Supplier: MP Biomedicals

Description: Phenazine methosulfate is an electron acceptor and carrier in enzyme systems. The oxidised form is yellow and the reduced form is colourless.

Catalog Number: (SIAL114510-25G)

Supplier: Merck

Supplier Article Number:: 114510-25G

Description: Methyl orange (C.I. 13025) is the sodium salt of p-dimethylaminoazobenzenesulfonic acid. It is an orange-colored synthetic dye, which changes color depending on the pH of the solution. It develops a red color in acidic solution and yellow color in basic solution.

UOM: 1 * 25 g

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Supplier: MP Biomedicals

Description: Menadione belongs to the Vitamin K class of compounds, which are necessary for the biosynthesis of prothrombin and other blood clotting factors. Menadione has demonstrated cytotoxic activity against a variety of cell culture lines and can induce apoptosis of cultured cells, such as osteoclasts and osteoblasts, via elevation of peroxide and superoxide radical levels.

Supplier: MP Biomedicals

Description: Folinic acid calcium salt, pentahydrate offsets the effects of folic acid antagonists that act by binding dihydrofolate reductase and blocking the conversion of folic acid to tetrahydrofolate.

Supplier: MP Biomedicals

Description: Brilliant Sulfaflavine is not the same as FIAT (Brilliant Sulfoflavin FF; Acid Yellow 7) which has only one methyl group para to the nitrogen.

Supplier: MP Biomedicals

Description: Clozapine is a dibenzodiazepine compound, structurally related to loxapine is used in cell signaling research. It is an a typical antipsychotic medication used in the treatment of schizophrenia. It is a dopamine D4 and D2 receptor antagonist which has high affinity for the cloned rat dopamine D4 receptor (Ki < 20 nM). It is also a potent, selective muscarinic antagonist which exhibits the highest reported affinity for 5-HT1A and 5-HT1C sites.

Supplier: MP Biomedicals

Description: Chlortetracycline hydrochloride has antimicrobial action similar to tetracycline hydrochloride, but it is somewhat less active against many Gram-negative organisms. It was first isolated from the culture of <i>Streptomyces aureofacien</i>.

Supplier: MP Biomedicals

Description: Bromocresol purple sodium salt is typically used as a pH indicator (5,2 - 6,8 : yellow to blue-purple). Used in spectrophotometric determination of serum-albumin.

Catalog Number: (ICNA0219030525)

Supplier: MP Biomedicals

Supplier Article Number:: 0219030525

Description: A membrane permeable, low cytotoxic fluorescent supravitol dye, reversibly binding to DNA, staining the AT-rich regions of the double stranded DNA. It has been shown to displace several known DNA intercalators. Adriamycin interferes with dye uptake.

UOM: 1 * 25 mg

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Supplier: MP Biomedicals

Description: 50 mg/ml, clear colourless to slightly yellow solution.

Supplier: MP Biomedicals

Description: Methotrexate is a cell cycle arresting agent with varying effects. Methotrexate has been reported to arrest the cell cycle in late G1/S thus leading to the inhibition of the synthesis of DNA, RNA, thymidylates, and proteins. The main mechanism of action is reported to involve the inhibition of enzymes involved in purine metabolism which leads to the accumulation of adenosine or the suppression of intercellular adhesion molecule expression by T cells. Additionally, this compound has been observed to inhibit DHFR.
Methotrexate is used for chemotherapy either alone or in combination with other agents. It is effective for the treatment of a number of cancers including: breast, head and neck, leukemia, lymphoma, lung, osteosarcoma, bladder, and trophoblastic neoplasms. It is also used in treatment of autoimmune diseases, ectopic pregnancy, and for the induction of medical abortions. It is used to inhibit dihydrofolate reductase in DHFR-based protein expression systems. Also effective in treatment of pyrimethamine-resistant Plasmodium vivax malaria parasites.
Potent inhibitor of dihydrofolate reductase and agent for antitumor studies. Use to inhibit dihydrofolate reductase in DHFR-based protein expression systems. Also shows immunosuppressive effects in, e.g., rheumatoid arthritis.
Methotrexate is an allosteric inhibititor of dihydrofolate reductase (DHFR), the enzyme that catalyzes the conversion of dihydrofolate to tetrahydrofolate. Since tetrahydrolfolate is required for purine and pyrimidine synthesis, methotrexate treatment results in the inhibition of DNA and RNA synthesis.