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bioWORLD Standards, D

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  • DEPC (Diethyl pyrocarbonate)

    bioWORLD

    Inhibitor 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 …

  • Dextran sulfate

    bioWORLD

    A 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% …

  • Dextran

    bioWORLD

    A 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%

  • Di-Sodium hydrogen phosphate dihyd

    bioWORLD

    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%

  • DMPI (Dimethyl Pimelimidate2HCl)

    bioWORLD

    A homobifunctional amine-reactive crosslinker Primary amine reactive Appearance: Powder Melting Point: ~122°C (dec.)

  • N-Dodecyl-Beta-D-maltoaside

    bioWORLD

    A water-soluble nonionic detergent High Purity Appearance: Solid Boiling Point: 703.5°C at 760 mmHg Density: 1.28g/cm3 Melting Point: 224-226°C(lit.)

  • DTBPA (Dithiobis phenyl azide)

    bioWORLD

  • dTTP (2'-Deoxythymidine-5'-Triphos

    bioWORLD

  • DNA, Fish testes (sheared/denatured)

    bioWORLD

    Biotechnology Grade 20 mg/ml Solution Appearance: Liquid

  • DTAC, 50% solution in alcohol

    bioWORLD

  • dGTP(2'-Deoxyguanosine-5'-triphos

    bioWORLD

    Ultra Pure Grade 2'-Deoxyguanosine-5'-triphosphate Stability (-20°C): >1year Max wavelength (nm) : 250-254

  • Diethanolamine

    bioWORLD

    DEA, 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…

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