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.
Phosphate Buffer Solution
Supplier: SIGMA ALDRICH MICROSCOPY
Contains sodium and potassium phosphates. Intended for use in the Sigma Butyrate Esterase Procedure, No. 181B.
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Buffer concentrate, citrate phosphate, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
These buffers are used to elute adult hemoglobin by the procedure of Oski and Naiman, a modification of the Kleihauer Betke procedure for the demonstration of fetal hemoglobin.
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Citrate Buffer, Concentrate, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Citrate buffer solution, 0.38 mol/L, pH 5.4 when diluted according to procedure 386A.
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Trizmal™ Buffer, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
For use in the Naphthol AS-D Chloroacetate Esterase Kit No. 91-C.
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Phosphate Buffer, pH 6.6 at 25 °C
Supplier: SIGMA ALDRICH MICROSCOPY
Phosphate buffer's buffering capacity is pH sensitive and is preferred to be used at physiological pH (7,2 to 7,4).
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Citrate buffer, pH 6.0, 10×, antigen retriever, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Citrate buffer, antigen retriever has been used as a heat-induced antigen retriever on formalin-fixed paraffin-embedded (FFPE) tissue sections prior to application of antibodies or DNA fluorescent in situ hybridization.
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EDTA Buffer, pH 8,5, 10X, Antigen Retriever
Supplier: SIGMA ALDRICH MICROSCOPY
Used as a heat-induced antigen retriever on formalin-fixed paraffin-embedded (FFPE) tissue sections prior to application of antibodies.
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Tris-HCl buffer, pH 10, 10×, antigen retriever, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Intended for heat-induced antigen retrieval on formalin-fixed paraffin-embedded (FFPE) tissue sections prior to application of antibodies in immunohistochemistry (IHC). Improves accessibility of antibodies to tissue antigens.
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VWR® Phosphate Buffered Saline (PBS), Low Phosphate, 10X
Supplier: VWR Chemicals
Irradiated concentrate of PBS, suitable for use in washing cells after dilution.
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VWR® Phosphate Buffered Saline (PBS), High Phosphate
Supplier: VWR Chemicals
Irradiated solution, pH 7,2, for washing blots.
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VWR® Phosphate Buffered Saline (PBS), Low Phosphate
Supplier: VWR Chemicals
Irradiated solution for use in washing cells.
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VWR®, Buffer, ammonia solution, pH 10 ready to use
Supplier: VWR Chemicals
Ideal for hardness of water determination.
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VWR® TISAB II Solution (Total Ionic Strength Adjustment Buffer) for Fluoride Determinations
Supplier: VWR Chemicals
Total ionic strength adjustment buffer solution for use with selective ion electrodes.
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VWR® Buffer Tablets for Haematology
Supplier: VWR Chemicals
These tablets provide a rapid and convenient method of preparing a buffer solution.
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VWR®, pH buffer capsules
Supplier: VWR Chemicals
pH buffer capsules, Capsules, pH value: 4,01, ±0,02, VWR®, Orange, Plastic bottle, 5 plastic tubes, 10 capsules/tube
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VWR® AVS TITRINORM Buffer Solutions, 20 °C
Supplier: VWR Chemicals
Solutions prepared from AnalaR® NORMAPUR® grade analytical reagents.