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718 results for Buffers

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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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Buffer solutions, according to EP and USP, Certipur®

Supplier: Merck

Buffer solutions intended for extremely precise calibration, qualification and monitoring of pH instruments, and for testing other buffer solutions.

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SDS-PAGE Sample Buffer, 4X, (2-Mercaptoethanol-free) for Electrophoresis

Supplier: TCI

This product contains 8% SDS, 40% glycerol, 0.02% bromophenol blue and 0.25 M Tris HCl, pH approx. 6.8. Does not contain 2-Mercaptoethanol.

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VWR®, Phosphate Buffered Saline (PBS), pH 7,4

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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10X Wash Buffer PT

10X Wash Buffer PT

Supplier: Abcam

10X Wash Buffer PT

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Buffer, TBS solution 10X concentrate (TRIS buffered saline) with phenol red, pH 7,4

Supplier: Cayman Chemical

250 mM Tris-base, pH 7,4, 1,37 M sodium chloride, containing 27 mM KCl, 0,4 mM phenol red.

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SSPE Buffer, 20X concentrate, pH 7,4

Supplier: Rockland Immunochemicals

20X SSPE buffer (3,0 M sodium chloride, 0,2 M sodium hydrogen phosphate, 0,02 M EDTA, pH 7,4) - DEPC treated.

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TM Buffer, 1X Tris-Magnesium sulphate, pH 7,5

Supplier: Rockland Immunochemicals

This product is ready-to-use as a working 1X solution and requires no further dilution. This buffer consists of 50 mM Tris HCl, 10 mM magnesium sulphate at pH 7,5 and was prepared using ultra pure reagents dissolved in pharmaceutical grade deionised water.

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VWR® Buffer Solutions, Secondary Standards

VWR® Buffer Solutions, Secondary Standards

Supplier: VWR Chemicals

Buffer solutions, secondary standards, pH value: 3,776, ±0,010, Reference temperature: 25 °C, VWR®

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VWR® Buffer Standard Solutions

VWR® Buffer Standard Solutions

Supplier: VWR Chemicals

Buffer Standard solution, Biotechnology Grade, pH value: 7,00, ±0,03, Reference temperature: 25 °C, VWR®, Bottle

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EDTA, 0.5 M solution, pH 8.0, for biotechnology

EDTA, 0.5 M solution, pH 8.0, for biotechnology

Supplier: VWR Chemicals

Cloning Buffer, EDTA, 0,5 M solution

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VWR® UltraPure, Phosphate buffered saline (PBS), powdered

VWR® UltraPure, Phosphate buffered saline (PBS), powdered

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.

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VWR® Acetate Buffer USP Test Solution (TS)

VWR® Acetate Buffer USP Test Solution (TS)

Supplier: VWR Chemicals

Ready to use test solutions (TS).

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Diluent buffer, 10X concentrate, for dab membrane substrate

Supplier: Rockland Immunochemicals

Concentrate diluent buffer for DAB membrane substrate, 10X

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Mini flip-top vial with 9 ml buffered peptone water broth, BPPFV9BPW

Mini flip-top vial with 9 ml buffered peptone water broth, BPPFV9BPW

Supplier: 3M Food Safety

The 3M™ Mini Flip-Top Vial with 9 ml Buffered Peptone Water Broth is a leak-resistant plastic cylinder with a flip-open lid that seals securely for safe shipping and handling.

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Cesium chloride-aluminium nitrate buffer solution acc. to Schuhknecht and Schinkel, Supelco®

Supplier: Merck

Cesium chloride-aluminium nitrate buffer solution acc. to Schuhknecht and Schinkel 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)

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pH buffers, colour coded, reference standards, Supelco®

Supplier: Merck

pH Buffer solution, colour coded, pH value: 7,00, ±0,01, Reference temperature: 25 °C, Yellow, Dispenser, 1×gallon

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SDS-Page running gel buffers, 10X concentrate

SDS-Page running gel buffers, 10X concentrate

Supplier: Rockland Immunochemicals

SDS-PAGE, sodium dodecyl sulfate polyacrylamide gel electrophoresis, describes a technique widely used in biochemistry to separate proteins according to their electrophoretic mobility (a function of the length of a polypeptide chain and its charge) and no other physical feature. SDS is an anionic detergent applied to protein sample to linearise proteins and to impart a negative charge to linearised proteins.

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VWR® AVS TITRINORM Buffer Solutions, CRMs, at 25 °C

VWR® AVS TITRINORM Buffer Solutions, CRMs, at 25 °C

Supplier: VWR Chemicals

pH Buffer solution, Carbonate, pH value: 10,01, Reference temperature: 25 °C, VWR®, Neutral

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Tween-Tris-buffered saline (TTBS), 10X concentrate, pH 7,5

Tween-Tris-buffered saline (TTBS), 10X concentrate, pH 7,5

Supplier: Rockland Immunochemicals

Tween Tris buffered saline is suitable for multiple applications including biological diluent buffer for antibodies or other biologics. Also may be used as a wash buffer for immunological assays including western blot, immunohistochemistry, immunofluorescence microscopy, and ELISA.

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VWR® ConvoL NORMADOSE® Buffer Concentrate for Buffer Solution acc. to Weise for 1000 ml, pH 7.20

VWR® ConvoL NORMADOSE® Buffer Concentrate for Buffer Solution acc. to Weise for 1000 ml, pH 7.20

Supplier: VWR Chemicals

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

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Buffer solutions, Certipur®, colour coded, Supelco®

Buffer solutions, Certipur®, colour coded, Supelco®

Supplier: Merck

Materials for the precise calibration and monitoring of pH meters.

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Buffer, TAE solution 50X concentrate (TRIS-acetate-EDTA buffer)

Supplier: OMEGA BIO-TEK

Running Buffer, TAE buffer solution 50X concentrate (TRIS-acetate-EDTA buffer)

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Buffer, TE Solution (TRIS-EDTA buffer) pH 8,0, Low EDTA for Molecular Biology

Supplier: PanReac AppliChem

Cloning Buffer, TE buffer solution (TRIS-EDTA buffer) pH 8,0

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TPE buffer, 10X tris-phosphate-EDTA, pH 8

TPE buffer, 10X tris-phosphate-EDTA, pH 8

Supplier: Rockland Immunochemicals

Running Buffer, Tris-phosphate-EDTA 10X (TPE) (0,9 M tris-phosphate 0,01 M EDTA pH 8,0)

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Buffer solutions, ready to use, referenced at 25 °C, Certipur®

Buffer solutions, ready to use, referenced at 25 °C, Certipur®

Supplier: Merck

Materials for the precise calibration and monitoring of pH meters.

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Ionic strength adjustor buffer solution for fluoride electrode, Supelco®

Supplier: Merck

It may be used as TISAB buffer in determination of fluoride in coal, coal fly ash, phosphate rock, limestone, mineral clay, fossilised materials, oyster tissue and vegetation using pyrohydrolysis for sample decomposition.

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SSC buffer, 20X concentrate, pH 7,0

Supplier: Rockland Immunochemicals

Saline-sodium citrate (SSC) buffer is most commonly used as a buffer for the hybridisation process and washing in experiments where spcies of nucleic or ribonucleic acid are to be matched to complimentary sequences (such as Southern and Nouthern blotting, in situ hybridisation, or DNA microarrays). SSC is used to help control the stringency of hybridisation in these steps.

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VWR®, pH buffer capsules

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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North2South™ Hybridisation Buffer

North2South™ Hybridisation Buffer

Supplier: Thermo Fisher Scientific

North2South™ hybridisation buffer is an aqueous buffer which is used with the North2South™ chemiluminescent detection kit.

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