Substrates, 100 g
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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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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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3,3',5,5'-Tetramethylbenzidine, dihydrochloride hydrate
G-Biosciences3,3′,5,5′-Tetramethylbenzidine dihydrochloride; TMB·HCl; TMB dihydrochloride MOLECULAR BIOLOGY GRADE TMB is an excellent colorimetric substrate for detection of horseradish peroxidase labelled probes and is used with peroxidase and peroxidase coupled systems,…
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Resazurin, sodium salt
G-BiosciencesResazurin, sodium salt Diazoresorcinol MOLECULAR BIOLOGY GRADE Black crystalline powder Transition of pH Indicator: 3.8 - 6.5 orange to violet. Used in Resazurin Microtiter Assay for rapid detection of multidrug-resistant Mycobacterium tuberculosis. Used in…
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4-Nitrophenyl phosphate, disodium salt hexahydrate
G-Biosciences4-Nitrophenyl phosphate, disodium salt hexahydrate PNPP, p-nitrophenyl phosphate, para nitrophenyl phosphate, PNP-phos · 2 Na MOLECULAR BIOLOGY GRADE Off white to light yellow crystalline powder Chromogenic substrate yielding a soluble yellow chromophor for the…
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3,3',5,5'-Tetramethylbenzidine, free base
G-Biosciences3,3’,5,5’-Tetramethylbenzidine, free base, TMB, MOLECULAR BIOLOGY GRADE TMB is an excellent colorimetric substrate for detection of horseradish peroxidase labelled probes and is used with peroxidase and peroxidase coupled systems, particularly in…
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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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4-Methylumbelliferyl phosphate bis (cyclohexylammonium) salt MUP·2CHX; 4-MU-phos·2CHX MOLECULAR BIOLOGY GRADE White to off-white microcrystalline powder Sensitive fluorogenic substrate for fluorometric and UV-spectrophotometric assays of…
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Creatine phosphate, disodium salt tetrahydrate
G-BiosciencesPhosphocreatine disodium salt Handling: Store at 5°C, protect from light PubChem Chemical ID: 24856872 Features Synomyms: Sodium creatine phosphate dibasic tetrahydrate, CAS# : 71519-72-7 Molecular Formula: …
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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…
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S-Acetylthiocholine iodide, 100 G
G-BiosciencesS-Acetylthiocholine iodide MOLECULAR BIOLOGY GRADE Store below 5°C in a dark, dry place. Features CAS#: 1866-15-5 Molecular Formula: C7H16NOSI Molecular Weight: 289.180 g/mol
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1-O-Methyl-alpha-D-galactopyranoside
G-Biosciences1-O-Methyl-α- D- galactopyranoside 1-O-Methyl-galactoside 1-OMe-alpha-D-Gal MOLECULAR BIOLOGY GRADE White to off white crystalline powder A gratuitous α-galactoside inducer Store at 2-8°C and protect from light. …
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4-Nitrophenyl-beta-D-glucopyranoside
G-Biosciences4-Nitrophenyl-β-D- glucopyranoside p-Nitrophenyl-β-D-glucoside PNP-β-D-Glc MOLECULAR BIOLOGY GRADE White to off white powder Chromogenic β-D-glucosidase substrate, yielding a yellow solution upon cleavage. Store at -15°C and…