Standards, D, Chemicals, 12350000
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Dextran
bioWORLDA multi-use, branched glucan Reagent Grade Moisture: <3.0% Residue upon ignition: <1.0% Specific Rotation: +187 to +191 Appearance: Solid PH Value: pH (6%, water): 5.5%
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dGTP, 100mM, 40 µmol
bioWORLDUltra Pure Grade 2'-Deoxyguanosine-5'-triphosphate Stability (-20°C): >1year Max wavelength (nm) : 250-254
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DNA, Fish testes (sheared/denatured)
bioWORLDBiotechnology Grade 20 mg/ml Solution Appearance: Liquid
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A reagent with high buffering capacity Synonym: Disodium Hydrogen Phosphate; Sorensen's Phosphate Loss on drying: 18.0 - 22.0% Arsenic (As): 3µg/g Fluoride: 0.005% Insolubles: 0.2%
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Dextran sulfate
bioWORLDA glycosaminoglycan that acts as a precipitant for high density lipo- proteins (HDLs). Used in hybridization protocols where it effectively increases the probe concentration accelerating the rate of annealing. Ultra Pure Grade Moisture: <10.0% Heavy metals (as Pb): <0.005% …
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DEPC (Diethyl pyrocarbonate)
bioWORLDInhibitor of nucleases used as a modification reagent for His and Tyr residues in proteins. High Purity Grade Purity (Chromatographic): >98.5% Purity (Acid assay): >97.5% Refractive Index: 1.3973 Appearance: Liquid Boiling Point: 93-94°C (lit.) at 18 mmHg …
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Diethanolamine
bioWORLDDEA, frequently used as a diluent for PNPP in ELISA assays Also known as bis [2-hydroxyethyl] amine or 2,2'-Iminodiethanol Reagent Grade Refractive Index (300°C): 1.473-1.476 Specific Gravity (300/200°C): 1.09 15% water has been added to maintain a liquid state…