4401 Results for: "VWR Chemicals"
VWR®, Bovine deoxyribonuclease I (from Pancreas)
Supplier: VWR Chemicals
Deoxyribonuclease I efficiently hydrolyses single-stranded or double-stranded DNA in the presence of divalent cations. Useful in RNA preparations from tissue or bacterial cell cultures, DNase I is a chromatographically purified preparation supplied as a lyophilised powder.
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Guanidinium hydrochloride 8 mol/l in aqueous solution, Biotechnology Grade
Supplier: VWR Chemicals
A concentrated solution prepared with Biotechnology Grade powder for convenient use in nucleic acid and protein purification procedures.
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Dithiothreitol (DTT, Cleland's reagent) ≥99.4%, Proteomics Grade
Supplier: VWR Chemicals
Dithiothreitol (DTT, Cleland's reagent) ≥99.4%, Proteomics Grade
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Sodium dodecyl sulphate (SDS) ≥99.0%, Proteomics Grade
Supplier: VWR Chemicals
Anionic detergent. Strong detergent utilised in lysis buffers for the complete disruption of membranes and denaturation of proteins.
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Urea ≥99.5%, Proteomics Grade
Supplier: VWR Chemicals
Commonly used to denature nucleic acids for electrophoresis and to study the secondary and tertiary structure of proteins. Effective for maintaining DNA in a highly denatured state during sequencing protocols.
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Sodium chloride, high purity
Supplier: VWR Chemicals
Sodium chloride, high purity
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Methyl cellulose, 4000 mPa.S (2% H₂O), high purity
Supplier: VWR Chemicals
Methyl cellulose, 4000 mPa.S (2% H₂O), high purity
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VWR®, Agarose RA™
Supplier: VWR Chemicals
Agarose RA™ is a general application agarose that provides good resolution and is cost effective for high volume users. It was developed specifically for quick checks of PCR products, plasmids preps, screening and cloning.
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MES sodium salt ≥98%, Reagent Grade
Supplier: VWR Chemicals
MES sodium salt ≥98%, Reagent Grade
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VWR® Gold-N-Gel™, RNA dye
Supplier: VWR Chemicals
Gold-N-Gel RNA dye is compatible with standard protocols for denaturing electrophoresis of RNA fragments. Bands are immediately visible upon illumination with UV light. A standard ethidium bromide filter can be used for gel documentation.
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VWR® Ready Ladder™ DNA Ladder, 50 bp
Supplier: VWR Chemicals
Ladder with 10 fragments ranging from 50 to 500 bp for easy band identification. Ready to use formula pre-mixed with loading dye.
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VWR® RNA EZ-Vision®, Loading buffer
Supplier: VWR Chemicals
RNA EZ-Vision is a non mutagenic fluorescent dye for staining RNA bands resolved on denaturing agarose gels containing formaldehyde. The dye co-migrates with the RNA samples during electrophoresis and provides immediate band visualisation upon illumination with UV light. No post run staining or destaining is needed. The loading buffer includes formamide and bromophenol blue tracking dye.
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VWR® Bacterial Freezing Media
Supplier: VWR Chemicals
Bacterial freezing media is a sterile, ready to use cryopreservation media for long term storage of bacterial cultures. Ideal for the preservation of transformed bacteria as well as non fastidious bacteria.
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Dextran sulphate sodium salt, M.W. ~ 500,000 50% for biotechnology
Supplier: VWR Chemicals
Used for the detection of DNA or RNA in nucleic acid hybridisation procedures. It effectively “excludes” probe from solution, accelerating the rate of annealing.
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VWR® SFR™ Agarose
Supplier: VWR Chemicals
Agarose SFR™ (Super Fine Resolution) is a high resolution sieving agarose with excellent clarity. DNA bands differing in size by 2% can be resolved in the range of 200 to 1000 bp.
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Tween® 20 (Polysorbate) 10% in aqueous solution, Proteomics Grade peroxide-free
Supplier: VWR Chemicals
Contains 5×10 ml vials of 10% solution.
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Ammonium acetate, Ultrapure
Supplier: VWR Chemicals
Ammonium acetate, Ultrapure
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Magnesium acetate tetrahydrate analytical reagent
Supplier: VWR Chemicals
Magnesium acetate tetrahydrate analytical reagent
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Diammonium hydrogen orthophosphate ≥98% ACS
Supplier: VWR Chemicals
Diammonium hydrogen orthophosphate ≥98% ACS
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Sodium carbonate, anhydrous ≥99.5% ACS
Supplier: VWR Chemicals
Sodium carbonate, anhydrous ≥99.5% ACS
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Bromophenol blue ACS
Supplier: VWR Chemicals
A tracking dye for nucleic acid and protein gels. Also a pH indicator (yellow to blue, range 3,0 to 4,6).
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Disodium hydrogen phosphate, anhydrous ≥99.0% ACS
Supplier: VWR Chemicals
Disodium hydrogen phosphate, anhydrous ≥99.0% ACS
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VWR®, Gelatin
Supplier: VWR Chemicals
Fluorescence: 238 to 282
E. coli: equivalent
Water content: < or > 13%
pH at 25 °C: 4,0 - 5,7
Salmonella: not detectable
Standard plate count: ≤1000 /g
Viscosity: 38 to 50 mps
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Formamide ≥99%, high purity
Supplier: VWR Chemicals
Ideal for denaturing nucleic acids in hybridisation and DNA sequencing procedures.
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Phenol red, powder ACS pH-indicator
Supplier: VWR Chemicals
Bright red powder
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VWR® UltraPure, Phosphate buffered saline (PBS), powdered
Supplier: VWR Chemicals
PBS, Ultra Pure Grade is a powdered, magnesium- and calcium-free formulation of PBS suitable for cell culture and for use in flow cytometry applications.