Substrates, 25 g
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4-Aminophenyl phosphate monosodium salt hydrate
G-Biosciences4-Aminophenyl phosphate monosodium salt hydrate p-aminophenyl phosphate (pAPP) MOLECULAR BIOLOGY GRADE Store at -15°C, protect from light. Features CAS#: 108084-47-5 Molecular Formula: C6H7NO4PNa …
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GLUTATHIONE REDUCED, 25 g
MP BiomedicalsGlutathione suppresses human immunodeficiency virus expression in chronically infected monocytic cells. It is a useful tripeptide involved in many aspects of metabolism, including transport of g-glutanyl amino acids and reductive cleavage of disulfide bonds.
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5-Bromo-4-chloro-3-indoxyl-β-D-glucuronic acid sodium salt; X-β-D-GlcA·Na MOLECULAR BIOLOGY GRADE X-β-D-glucuronide sodium salt is a substrate for β-glucuronidase (GUS), yielding a blue precipitate upon cleavage. X-β-D-glucuronide sodium salt is highly accepted…
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4-Nitrophenyl-alpha-L-fucopyranoside
G-Biosciences4-Nitrophenyl-α-L- fucopyranoside p-Nitrophenyl-α-L-fucoside PNP-α-L-Fuc MOLECULAR BIOLOGY GRADE White to off white crystalline powder Chromogenic substrate yielding a soluble yellow chromophor for the colorimetric assay of…
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Iodonitrotetrazolium Chloride (INT)
G-BiosciencesIodonitrotetrazolium chloride (INT) is an electron acceptor used in various colorimetric assays. The chemical has been mainly documented for its measurement of dehydrogenase activity. INT dye is often used to visualize dehydrogenase activity histochemically as well as western blot staining and…
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Phenyl-beta-D-glucuronic acid monohydrate
G-BiosciencesPhenyl-β-D-glucuronide Ph-β-D-GlcA CAS: 17685-05-1 Phenyl-β-D-glucuronic acid monohydrate is a β-glucuronidase substrate. Store at -15°C and protect from light. Features CAS#: 17685-05-1 Molecular Formula: …
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o-Nitrophenyl-ß-D-Galactopyranoside
MP Biomedicalso-Nitrophenyl-β-D-galactoside (ONPG) is a colorimetric substrate for b-galactosidase. This product is hydrolyzed to o-nitrophenol by the enzyme. o-Nitrophenol is yellow in alkaline solution and can be quantitated at 410-420 nm 2 . o-Nitrophenyl-β-D-galactoside is a cell culture…
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5-Bromo-4-chloro-3-indoxyl sulfate, potassium salt
G-BiosciencesX-Sulfate potassium salt; 5-Bromo-4-chloro-3-indoxyl sulfate, potassium salt MOLECULAR BIOLOGY GRADE X-Sulfate K is a slightly off-white to faint-yellowish powder that is used as a chromogenic substrate for aryl-sulfatase. X-Sulfate K yields a blue precipitate when cleaved. Store at…
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4-Methylumbelliferyl caprylate
G-Biosciences4-Methylumbelliferyl caprylate Octanoic acid 4-methylumbelliferyl ester 4-MU-caprylate MOLECULAR BIOLOGY GRADE White to off white crystalline powder Fluorogenic substrate for esterase with C8 activity yielding a blue fluorescent solution upon cleavage. Used for the…
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L-Lysine 7-amido-4-methylcoumarin, acetate salt
G-BiosciencesL-Lysine 7-amido-4- methylcoumarin acetate salt H-Lys-AMC · AcOH MOLECULAR BIOLOGY GRADE Off white to white crystalline powder Forms a colorless, clear solution when dissolved 5% in water. Substrate for aminopeptidase b yielding a blue…
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Sodium Azide
MP BiomedicalsSodium azide is used as a preservative for laboratory reagents; a bacteriostatic agent in storage solutions. Inhibits gram negative flora so is therefore included in culture media for the selective isolation of Streptococci and Staphylococci. It has been used to avoid bacterial contamination during…
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DAB (3.3'-Diaminobenzidine)
bioWORLDPeroxidase substrate; reagent for spectrophotometric determination of selenium. Biotechnology Grade Nucleic acid stain Light sensitive Appearance: Powder ChEBI : Not available Crystal_Structure: Not available InChI: Not available InChIKey: Not available …
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4-Nitrophenyl-beta-D-maltopyranoside
G-Biosciences4-Nitrophenyl-β-D- maltopyranoside p-Nitrophenyl-β-D-maltoside PNP-β-D-maltoside MOLECULAR BIOLOGY GRADE White to off white crystalline powder Chromogenic β-maltosidase substrate, yielding a yellow solution upon cleavage. Store at…
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4-Methylumbelliferyl phosphate bis (2-amino- 2-methyl-1,3-propanediol) salt MUP·2 AMPD MOLECULAR BIOLOGY GRADE White to off-white crystalline powder Sensitive fluorogenic substrate for fluorometric and UV-spectrophotometric assays of phosphatases. …
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4-Nitrophenyl-alpha-D-glucopyranoside
G-Biosciences4-Nitrophenyl-α-D- glucopyranoside p-Nitrophenyl-alpha-D-glucoside PNP-alpha-D-Glc MOLECULAR BIOLOGY GRADE Off white crystalline powder Chromogenic substrate for alpha-D-glucosidase yielding a yellow solution upon cleavage. Also used for the detection of…
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Nitrotetrazolium blue chloride
G-BiosciencesNitrotetrazolium blue chloride; NBT; Nitro blue tetrazolium chloride; Nitro-TB MOLECULAR BIOLOGY GRADE NBT is used in combination with 5-bromo-4-chloro-3-indoxyl phosphate (BCIP) to detect alkaline phosphatase activity in blotting techniques and in situ hybridization chemistry. BCIP acts…
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4-Nitrophenyl-beta-D-xylopyranoside
G-Biosciences4-Nitrophenyl-β-D- xylopyranoside p-Nitrophenyl-β-D-xylopyranoside PNP-β-D-Xyl MOLECULAR BIOLOGY GRADE White to off white powder Chromogenic β-xylosidase substrate, yielding a yellow solution upon cleavage. Store at -15°C and…
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4-Nitrophenyl-beta-D-fucopyranoside
G-Biosciences4-Nitrophenyl-ß-L- fucopyranoside p-Nitrophenyl-ß-L-fucoside PNP-ß-L-Fuc MOLECULAR BIOLOGY GRADE White to off white crystalline powder Chromogenic substrate yielding a soluble yellow chromophor for the colorimetric assay of ß-L-fucosidase,…
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4-Nitrophenyl-beta-D-glucuronic acid
G-BiosciencesPNPG (Gus); 4-Nitrophenyl-β-D-glucuronic acid; p-Nitrophenyl-β-D-glucuronide; PNP-β-D-GlcA MOLECULAR BIOLOGY GRADE Slightly off-white to yellow crystalline powder. PNPG (Gus) is a chromogenic β-glucuronidase substrate yielding a yellow…
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Isopropyl-ß-D-Thiogalactopyranoside. An inducer of ß-galactosidase used to promote the expression of proteins in cells controlled by the lac operator system. For blue/white screening, 0.1 mM final IPTG concentration in LB (Luria Broth) media is recommended. Biotechnology…
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5-Bromo-4-chloro-3-indoxyl caprylate
G-Biosciences5-Bromo-4-chloro-3-indolyl octanoate 5-Bromo-4-chloro-3-indolyl caprylate 5-Bromo-4-chloro-3-indoxyl octanoate X-caprylate MOLECULAR BIOLOGY GRADE A chromogenic substrate for esterase with C8 activity. 5-Bromo-4-chloro-3-indoxyl caprylate yields a blue precipitate when cleaved. …
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5-Bromo-6-chloro-3-indoxyl-beta-D-galactopyranoside
G-BiosciencesMagenta-gal is used as an alternative to X-gal that produces a red color. Magenta-Gal is hydrolyzed by β-galactosidase to produce a red precipitate. This precipitate is insoluble in alcohol and xylenes, thus making it suitable for immunoblotting and immunocytochemical assays. Bacterial…
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2-Naphthyl-beta-D-galactopyranoside
G-Biosciences2-Naphthyl-β- D-galactopyranoside β-Naphthyl-β-galactoside; β-Nap-β-D-Gal MOLECULAR BIOLOGY GRADE White to off-white crystalline powder 2-Naphthyl-beta-D-galactopyranoside is a substrate for beta-galactosidase. 2-naphthol is released upon…
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4-Nitrophenyl-alpha-D-galactopyranoside
G-Biosciences4-Nitrophenyl-α-D- galactopyranoside p-Nitrophenyl-alpha-D-galactoside PNP-alpha-D-Gal PNPG MOLECULAR BIOLOGY GRADE Off white crystalline powder Chromogenic substrate yielding a soluble chromophor for the colorimetric assay of alpha-D-galactosidase upon…
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N-Tosyl-L-alanine 3-indoxyl ester
G-BiosciencesTos-Ala-Y Handling Store at -15°C, protect from light. PubChem Chemical ID: 53471583 Features Synonyms: H-TOS-ALA-Y, N-TOSYL-L-ALANYLOXYINDOLE, 1H-indol-3-yl N-[(4-methylphenyl)sulphonyl]-L-alaninate, N-[(4-Methylphenyl)sulfonyl]-L-alanine 1H-indol-3-yl ester,…
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5-Bromo-4-chloro-3-indoxyl-alpha-D-glucopyranoside
G-Biosciences5-Bromo-4-chloro-3-indoxyl-α-D-glucopyranoside MOLECULAR BIOLOGY GRADE X-α-D-Glucoside is a white to off-white microcrystalline powder that is used as a chromogenic substrate for α-D-glucosidase, yielding a blue precipitate. It is used for the detection of Staphylococcus…
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4-Methylumbelliferyl-N-acetyl-beta-D-galactosaminide
G-Biosciences4-Methylumbelliferyl-N- acetyl-β-D- galactoside 4-Methylumbelliferyl-2-acetamido-2-deoxy-beta-D-galactopyranoside 4-MU-beta-D-GalNAc MOLECULAR BIOLOGY GRADE White to off white powder Fluorogenic substrate for N-acetyl-beta-D-galactosaminidase.…
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Ellman's Reagent, 5,5'-Dithiobis(2-nitrobenzoic acid)
G-Biosciences5,5'-dithio-bis-(2-nitrobenzoic acid) (DTNB) Ellman's reagent is a versatile, water-soluble compound for quantifying free sulfhydryl groups in solution. It reacts with a free sulfhydryl group to yield a mixed disulfide and 2-nitro-5-thiobenzoic acid (NTB), a measurable yellow…
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5-Bromo-6-chloro-3-indoxyl caprylate
G-Biosciences5-Bromo-6-chloro-3-indolyl caprylate 5-Bromo-6-chloro-3-indoxyl caprylate 5-Bromo-6-chloro-3-indoxyl octanoate Magenta™-caprylate MOLECULAR BIOLOGY GRADE Store at -15°C, keep dry, protect from light Features CAS#: 209347-94-4 Molecular Formula: …
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Magenta-phos·2Na·H2O; 5-Bromo-6-chloro-3-indoxyl phosphate, disodium salt monohydrate MOLECULAR BIOLOGY GRADE Magenta phosphate disodium salt monohydrate is an off-white powder that is used to visualize phosphatase activity. The end product is insoluble and magenta colored when…
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4-Nitrophenyl-beta-D-galactopyranoside
G-Biosciences4-Nitrophenyl-β-D- galactosidase p-Nitrophenyl-β-D-galactoside PNP-β-D-Gal MOLECULAR BIOLOGY GRADE White to off white crystalline powder Chromogenic β-galactosidase substrate yielding a yellow solution upon cleavage. Can be used for…