Buffers

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.

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Tris-Glycine-SDS Solution

Supplier: Ward's Science

Running Buffer, Tris-Glycine-SDS Buffer

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Ward's® pH Buffer Kit

Supplier: Ward's Science

Includes 500 ml each of buffer solution pH 10, pH 4, and pH 7. Also includes 100 ml of electrode storage solution, KCl.

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Electrophoresis Buffer Stock Powders

Supplier: Avantor

Our premeasured powdered packs offer convenience and will change the way you prepare buffers in your lab.

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J.T.Baker® Cell Lysis Solution, Ultrapure Bioreagent

Supplier: AVANTOR PERFORMANCE MATERIAL LLC

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 biodegradable and octyl phenol ethoxylate free.

Sustainable Options Available

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J.T.Baker® Cell Lysis Solution, Biotech Reagent

Supplier: AVANTOR PERFORMANCE MATERIAL LLC

J.T.Baker® Cell Lysis Solution Biotech Reagent is a cGMP pre-formulated and ready to use detergent optimized for the extraction and recovery of AAV particles from producer cell lines (HEK293 parental and suspension lines, SF9). J.T.Baker® Cell Lysis Solution is a proprietary blend of nonionic surfactants, free of octyl phenol ethoxylate, which demonstrates comparable performance industry standard detergents while addressing environmental concerns associated with REACH and downstream clearance concerns. Designed for Gene Therapy workflows, this formulation is easy to use and handle as it is ready-to-use, has low viscosity, does not require cold temperature shipping or storage, and is available in sizes to support processes from development to large scale commercial batches. Detail description provided in technical literature.

Sustainable Options Available

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Certipur® Buffer Solution (Di-Sodium Tetraborate), Traceable to SRM from NIST and PTB

Supplier: MilliporeSigma

Certipur grade, traceable to SRM from NIST and PTB pH 9.22 (20 degree C).

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Cesium Chloride-Aluminium Nitrate Buffer Solution acc. to Schuhknecht and Schinkel for the Determination of Sodium, Potassium and Lithium by Flame Spectrometry, MilliporeSigma

Supplier: MilliporeSigma

for the determination of sodium, potassium and lithium by flame spectrometry (enth./cont. 50 g/l CsCl + 250 g/l Al(NO3)3 * 9 H2O). Hazard Causes skin irritation.

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Di-Sodium Hydrogen Phosphate Solution (Buffer Stock Solution), Certipur®

Supplier: MilliporeSigma

Buffer stock solution 1/15 mol/l

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Certipur® Certified sec. Standard Reference Buffer Solution Potassium Hydrogen Phthalate, directly Traceable to Primary SRM from NIST/PTB

Supplier: MilliporeSigma

Certipur grade, potassium hydrogen phthalate, directly traceable to primary SRM from NIST/PTB pH(S) = 4.005 (25 degree C).

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Certipur® Certified sec. Standard Reference Buffer Solution Potassium dihydrogen Phosphate/di-Sodium Hydrogen Phosphate, directly Traceable to Primary SRM from NIST/PTB

Supplier: MilliporeSigma

Certipur grade, potassium dihydrogen phosphate/di-sodium hydrogen phosphate, directly traceable to primary SRM from NIST/PTB pH (S) = 6.863 (25 degree C).

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Certipur® Certified sec. Standard Reference Buffer Solution di-Sodium Tetraborate Decahydrate, directly Traceable to Primary SRM from NIST/PTB

Supplier: MilliporeSigma

Certipur grade, di-sodium tetraborate decahydrate, directly traceable to primary SRM from NIST/PTB pH(S) = 9.184 (25 degree C).

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Certipur® Certified sec. Standard Reference Buffer Solution Potassium Hydrogen Phosphate/di-Sodium Hydrogen Phosphate, directly Traceable to Primary SRM from NIST/PTB

Supplier: MilliporeSigma

Certipur grade, potassium hydrogen phosphate/di-sodium hydrogen phosphate, directly traceable to primary SRM from NIST/PTB pH(S) = 7.416 (25 degree C).