4401 Results for: "VWR Chemicals"

Supplier: VWR Chemicals

Potassium acetate USP

Supplier: VWR Chemicals

Common source of salts for media propagation of many organisms.

Supplier: VWR Chemicals

This 4X loading buffer includes a fluorescent dye that comigrates with the protein-SDS complex during electrophoresis. Protein EZ-Vision eliminates the need for post-staining and destaining and is compatible with downstream blotting applications.

Supplier: VWR Chemicals

Ribonuclease A is an endoribonuclease that efficiently hydrolyses RNA contaminants in DNA preparations from tissue or bacterial cell cultures. One unit inhibits 50% of activity of 5 ng of RNase A.

Supplier: VWR Chemicals

L-Cysteine 98-102%, high purity

Supplier: VWR Chemicals

Potassium nitrate ≥99% ACS

Supplier: VWR Chemicals

XTT sodium salt, high purity

Supplier: VWR Chemicals

Lactose monohydrate ACS

Supplier: VWR Chemicals

RiboReady™ Color Micro RNA ladder allows precise sizing of RNA molecules in denaturing acrylamide gels. The apparent sizes of bands in the RiboReady™ Color Micro RNA ladder are 100, 75, 50, 40, 30 and 20 bases in length.

Supplier: VWR Chemicals

DNA, salt, from fish sperm is an effective blocking agent used to increase signal-to-noise ratio for detection during hybridisation.

Supplier: VWR Chemicals

Calcium chloride, anhydrous ≥96% ACS

Supplier: VWR Chemicals

A.C.E.™ Sequencing Buffers are optimised buffers for DNA capillary electrophoresis sequencing that provide excellent results like long read lengths, high resolution, and consistent run times.

Supplier: VWR Chemicals

Source is Fig Latex. Fine, light beige powder

Supplier: VWR Chemicals

Biological buffers are useful for cell culture in vitro, enzyme assays and some electrophoretic applications at physiological pH. Universally applicable buffers for biochemistry must be water soluble, not interfere with biological processes.

Supplier: VWR Chemicals

A pH indicator (yellow to blue; range 3,8 to 5,4).

Supplier: VWR Chemicals

Anionic - negatively-charged (carboxylates, sulphates or sulphonates in alkali metal form). Utilised for applications ranging from solubilising membrane proteins in non-denaturing conditions to creating denaturing conditions during gel electrophoresis. Used for complete disruption of membranes.

Supplier: VWR Chemicals

DEPC is used to inactivate RNase enzymes from water and other laboratory utensils. DEPC covalently modifies histidine residues in RNase enzymes. DEPC can be used with PBS or MOPS buffer, but is incompatible with Tris and HEPES.

Supplier: VWR Chemicals

Ethanol ≥70% (v/v), Biotechnology Grade

Supplier: VWR Chemicals

Ready to use dNTP mix. One tube of 10 μmol of each dNTP in a 25 mM solution, pH 7,0. Tube volume 400 μl.

Supplier: VWR Chemicals

Sodium formate ≥99% ACS

Supplier: VWR Chemicals

Set contains one vial of each dNTP (dATP, dTTP, dCTP, dGTP), 40 μmol of 100 mM solution, pH 7,0.

Supplier: VWR Chemicals

Reagent for stabilisation of buffer formulations and electrophoresis of biological molecules.

Supplier: VWR Chemicals

Sugar used as an energy source in specialised media.

Supplier: VWR Chemicals

Choline chloride ≥98.0%, high purity

Supplier: VWR Chemicals

Pepsin is a proteolytic enzyme product derived from porcine stomach linings.

Supplier: VWR Chemicals

Agar, a solidifying agent used in bacteriology which consists of unbranched polysaccharides of galactose subunits derived from algae or seaweed.

Supplier: VWR Chemicals

2XYT medium broth powder is used to prepare rich broth for the propagation of M13 bacteriophage.

Supplier: VWR Chemicals

Glycine ≥99.0%, Proteomics Grade

Supplier: VWR Chemicals

Sodium thiosulphate pentahydrate ≥99%, Proteomics Grade

Supplier: VWR Chemicals

Non-ionic detergent efficiently separates hydrophilic proteins from membrane spanning, hydrophobic proteins without altering biological activity.