168 Results for: "vwr chemical buffers"

Supplier: VWR Chemicals

Wash buffers ideal for use in applications such as Western blotting and ELISA. Prevents high background by effectively removing unbound reagents.

Supplier: VWR Chemicals

10,000 units is that quantity of enzyme which will degrade 2 cm² of cellulose filter paper (17 mg) in 1 minute in 0,1 M acetate buffer at pH 4,0.

Supplier: VWR Chemicals

Buffers, electrolyte and cleaning solutions (100 ml), pH value: 4,00/7,00/10,00, Reference temperature: 20 °C, VWR®, Neutral, Plastic bottle

Supplier: VWR Chemicals

Ready to use buffered peptone water is prepared a few minutes before use, to guarantee the best performance of the medium.

Supplier: VWR Chemicals

Ninhydrin reagent kit L8500

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.

Supplier: VWR Chemicals

This product is a ConvoL NORMADOSE® concentrate and contains exactly the amount of substance to prepare one liter of solution.

Supplier: VWR Chemicals

For the preliminary, non selective enrichment of bacteria, particularly pathogenic enterobacteriaceae, from foodstuffs.

Supplier: VWR Chemicals

EZ-Vision® 100 bp DNA ladder is a pre-stained molecular weight ladder in loading buffer that allows immediate visualisation of DNA ladder post-electrophoresis.

Supplier: VWR Chemicals

TBE is optimised for DNA electrophoresis techniques using both acrylamide and agarose. Buffers are available as liquid concentrate or Ready-Pack™ (a foil pouch containing sufficient material to prepare 1 litre of 10X concentrate).

Supplier: VWR Chemicals

VWR® DNA ladders are supplied in a loading buffer that is ready to use on agarose and polyacrylamide DNA gels. The ladders are suitable with TBE, TAE, SB and LB electrophoresis systems.

Supplier: VWR Chemicals

TAE is an extensively used buffer for agarose gel electrophoresis applications requiring high resolution and separation of high molecular weight, double-stranded DNA. TAE buffer is more compatible with in-gel manipulations and band recovery procedures than TBE buffer.

Supplier: VWR Chemicals

Surface sampling sponges in two forms: Dry sponge sterile sampling bag with write-on strip, containing a dry, biocide-free cellulose sponge, or wet sponge sterile sampling bag, with a foil-sealed, pre-moistened cellulose sponge, and 10 ml of sterile neutralising buffer.

Supplier: VWR Chemicals

Ninhydrin reagent (includes buffer)

Supplier: VWR Chemicals

Taq DNA polymerase is a thermostable recombinant DNA polymerase, which exhibits very high activity in primer extension and other molecular biology applications. The enzyme is isolated from thermus aquaticus and has a molecular weight of approximately 94 kDa.

Supplier: VWR Chemicals

(= 10% Formaline solution)

Supplier: VWR Chemicals

Formaldehyde 7,5%, TECHNICAL, buffered (pH 7.0 ±0.2)

Supplier: VWR Chemicals

VWR® Red Taq DNA Polymerase Master Mix, which also contains an inert red dye, can be directly loaded onto an agarose gel without addition of electrophoresis loading buffers.

Supplier: VWR Chemicals

MOPS is a zwitterionic buffer used as a running buffer for denaturing agarose gel electrophoresis of RNA. Having a pH buffering range from 6,5 to 7,9, MOPS works exceptionally well with formaldehyde gels at 20 mM concentration.

Supplier: VWR Chemicals

Each bag contains a pre-weighed amount of granulated media, double-bagged and irradiated. For just in time enrichment - add sterile water and sample material.

Supplier: VWR Chemicals

Microbiology media in bags are ideally suited for high sample volumes.

Supplier: VWR Chemicals

Formalin ready to use fixative for tissue samples. Pots and buckets can be used for storage.

Supplier: VWR Chemicals

Disodium oxalate ≥99%, GPR RECTAPUR®

Supplier: VWR Chemicals

The reagent is specially intended for use in testing Ph Eur and monographs. This solution was produced according 4.1.1 of Ph Eur specifications using Ph Eur reagent quality components and water meeting the Ph Eur monograph requirement for purified water.

Supplier: VWR Chemicals

Phosphate Buffered Saline (PBS) is a buffer solution containing sodium chloride, sodium phosphate and potassium chloride. PBS helps to maintain a constant pH, is isotonic and non toxic to cells, and provide cells with water and essential inorganic ions. This formulation does not contain calcium and magnesium.

Supplier: VWR Chemicals

EZ-Vision DNA dye as loading buffer provides a non mutagenic, environmentally friendly alternative to ethidium bromide for instantaneous fluorescent DNA band visualisation.

Supplier: VWR Chemicals

Disodium oxalate ≥99.8%, AnalaR NORMAPUR® analytical reagent

Supplier: VWR Chemicals

An optimal buffer system is critical for the performance of successful PCR. VWR® Taq DNA Polymerase kits generally include two different buffers, Key Buffer and Extra Buffer, which are suited for different PCR needs. All buffers contain Tris and 15 mM MgCl₂ (1,5 mM MgCl₂ final concentration). Additional MgCl₂ for easy optimisation is included in a separate vial.

Supplier: VWR Chemicals

RapidBlock™ solution reduces blocking time to five minutes for Western and dot blotting procedures on PVDF and nitrocellulose membranes. This protein-free formulation minimises cross-reactivity and non specific antibody binding, generating blots with low background and enhanced signal-to-noise ratio.

Supplier: VWR Chemicals

Rapid transfer buffer is a simple, single component system for quick and efficient transfer of proteins from SDS-PAGE gels to membranes for Western blotting applications. Transfer is completed in 10 or 20 minutes using a standard semi-dry or wet transfer apparatus, respectively.