缓冲（液）
Resisting pH changes, buffers protect samples when acids or alkali is added. Powder and liquid forms efficiently track proteins during electrophoresis isolation and separation. The salty buffers can also be used to calibrate and standardize pH meters for accurate readings. Blocking substances stop antibody attachment to membrane free sites that would produce an interfering background. In various concentrations to fit any need, the buffers may come in liquids or dehydrated formats.
VWR®, Buffer, ammonia solution, pH 10 ready to use
Supplier: VWR Chemicals
Ideal for hardness of water determination.
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VWR®, pH electrode maintenance kit
Supplier: VWR Chemicals
The measurement of the pH value is one of the most frequently and universally made measurements in science.
What is often not fully understood is the fact that a large number of problems related to pH measurement is the
correct selection, care or maintenance of the electrodes with particular emphasis on the reference electrode.
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J.T.Baker® Cell Lysis Solution, Ultrapure Bioreagent
Supplier: Avantor
J.T. Baker® Cell Lysis Solution. Optimized multi-component, ready-to-use solution for extraction and recovery of AAV particles from HEK293 or SF9 cells. The product offers quantitative recovery through efficient cell lysis and protection of vector particles against shear stress. The solution is formulated with non-ionic detergents which are octyl phenol ethoxylate free.
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VWR®, Tris-borate-EDTA (TBE) buffer
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).
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VWR® UltraPure, Buffer, concentrate (phosphate buffered saline)
Supplier: VWR Chemicals
Washing buffer, PBS buffer solution 10X concentrate (phosphate buffered saline)
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VWR® Buffer, MOPS-SDS, 20X, UltraPure Grade
Supplier: VWR Chemicals
Useful for high resolution of proteins on neutral pH SDS-PAGE gels.
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VWR® UltraPure, PBS and TBS wash 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.
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Buffer, Tris-EDTA solution
Supplier: BDH US PRODUCED
Tris-EDTA solution (TE solution) contains ultra pure deionised water, 0,5 M EDTA with pH 7,5 and 1 M tris with pH 8.
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VWR®, Phosphate Buffered Saline (PBS), pH 7,4
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.
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VWR®RapidBlock™, Blocking solution, 10x
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.
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VWR® Tris Buffer Solution, pH 7,4 (0,1 mol/L) for Biotechnology
Supplier: VWR Chemicals
Cell culture buffer, TRIS buffer solution pH 7,4 (0,1 mol/l)
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VWR® TBS/Tween® 20X Washing Buffer, Liquid Concentrate, UltraPure Grade
Supplier: VWR Chemicals
Convenient liquid concentrate that produces 10 litres of 1X buffer for blotting and ELISA applications.
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VWR® PBS/Tween® 20, 20X, Blot Wash Buffer, UltraPure Grade
Supplier: VWR Chemicals
PBS Tween® 20 blot wash buffer is a 20X concentration with 1% Tween® 20.
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VWR® Phosphate Buffered Saline (PBS) with 0,05% Tween®20
Supplier: VWR Chemicals
Phosphate Buffered Saline (PBS) with 0,05% Tween® 20, pH 7,5 is a ready-to-use 1× concentration.
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VWR®, Phosphate buffered saline (PBS) 1X, for biotechnology
Supplier: VWR Chemicals
137 mM sodium chloride, 2,7 mM potassium chloride, 12 mM phosphate buffer
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J.T.Baker® DILUT-IT™, Potassium Phosphate, Dissolution Media Concentrate
Supplier: Avantor
DILUT-IT is a ready-to-use dissolution media concentrate, which is pre-measured and only need to be diluted with purified water.