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683 results for Buffers

 

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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VWR®, Buffers, ammonia- ammonium chloride and ammonium chloride-ammonium hydroxide USP Test solutions (TS)
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Research buffers and reagents

Research buffers and reagents

Supplier: G-Biosciences

These DNase- and RNase-free buffers and reagents are designed for high quality research.

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Competent cell buffer

Supplier: Rockland Immunochemicals

This product is ready-to-use as a working 1X solution and requires no further dilution. This buffer consists of 60 mM Calcium Chloride, 15% v/v Glycerol, 10mM Tris HCl at a pH of 7,5.

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Buffer, sodium acetate buffer solution pH 5,2 (3 mol/L)

Buffer, sodium acetate buffer solution pH 5,2 (3 mol/L)

Supplier: Rockland Immunochemicals

This product was aseptically filtered through a Millipore 0,22 µm filter into clean, pre-sterilised containers. The product was tested on trypticase soy agar for 24 hours, 48 hours and 72 hours and was found to be negative for bacteria.

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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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WB blocking buffer kit, TrueBlack®

Supplier: Biotium

The TrueBlack® WB blocking buffer kit is a ready-to-use buffer system that provides optimal specificity, sensitivity, and background signal suppression for fluorescence-based western blotting (WB).

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10X Tris-EDTA buffer pH 9,0

Supplier: Novus Biologicals

10X Tris-EDTA buffer pH 9.0.

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RIPA cell lysis buffer 2

Supplier: ENZO LIFE SCIENCES

RIPA cell lysis buffer 2, Enzo Life Sciences

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HEPES Buffer Solution 1 M, HyClone™

HEPES Buffer Solution 1 M, HyClone™

Supplier: HyClone products (Cytiva)

Maintain physiological pH in cell culture, despite changes in carbon dioxide concentration (produced by cellular respiration) with Cytiva HyClone HEPES solution.

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Cell lysis buffer 4, (100 ml), Enzo Life Sciences

Supplier: ENZO LIFE SCIENCES

Cell lysis buffer 4, Enzo Life Sciences

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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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Buffers, TRIS HCl solutions, pH range 7,2 to 8,5 (1 mol/L)

Buffers, TRIS HCl solutions, pH range 7,2 to 8,5 (1 mol/L)

Supplier: Rockland Immunochemicals

Tris is widely used as a component of buffer solutions, such as in TAE and TBE buffer, especially for solutions of nucleic acids.

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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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PBS (endotoxin-free), Enzo Life Sciences

Supplier: ENZO LIFE SCIENCES

Sterile and endotoxin-free PBS for use with TLRgrade™ or endotoxin-free grade reagents.

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Cell culture salts, salt solutions and buffers

Cell culture salts, salt solutions and buffers

Supplier: Biowest

These irrigating buffers and salt solutions are sterile, physiological balanced solutions intended for use in the maintenance of mammalian cells, where a chemically defined, balanced salt solution provides an environment that will maintain the structural and physiological integrity of cells in vitro. Applications include the intermediate steps for cultivation of cells, like washing, centrifugation, suspending and counting, as well as for many analytical methods or biochemical treatments. Principally these solutions should be used to keep the cells in suspension only for minutes or a few hours maximum. These buffers and solutions are not cell culture media.

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PBS and TBS buffers

PBS and TBS buffers

Supplier: Rockland Immunochemicals

Phosphate buffered and Tris buffered saline are 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. Other applications may require detergents or other additional components.

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Buffer, PBS tablets

Buffer, PBS tablets

Supplier: PanReac AppliChem

PBS Tablets for preparation of 200 ml phosphate buffered saline (PBS). Composition of 140 mM sodium chloride, 2,7 mM potassium chloride and 10 mM phosphate.

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Cell culture buffers, Hank's balanced salt solutions (HBSS) HyClone™

Cell culture buffers, Hank's balanced salt solutions (HBSS) HyClone™

Supplier: HyClone products (Cytiva)

Balanced salt solutions for cell culture applications.

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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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Tris EDTA buffer, for molecular biology, DNAse, RNAse, protease free ready to use, pH 8,0
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Buffer, TBS solution 10X concentrate (TRIS buffered saline) pH 7,4

Supplier: Cayman Chemical

Formulation: Concentrated TBS (250 mM Tris-base; pH 7,4; 1,37 M sodium chloride and 27 mM KCl).

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Extraction reagents

Supplier: ENZO LIFE SCIENCES

Concentrated lysis buffer for preparation of cell and tissue extracts.

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Non-animal protein blocking Agent, NAP-BLOCKER™

Non-animal protein blocking Agent, NAP-BLOCKER™

Supplier: G-Biosciences

NAP-BLOCKER™ is an animal-free protein blocking agent recommended for improved assay sensitivity, minimal non specific binding and a high signal-to-background ratio. It is suitable for Western blots, dot blots and assay development.

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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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Neutralising reagent

Supplier: ENZO LIFE SCIENCES

Neutralising buffer for low pH solutions and for use with cyclic nucleotide and isoprostane kits.

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Caspase assay buffer

Supplier: ENZO LIFE SCIENCES

50 mM HEPES, pH 7,4, 100 mM NaCl, 0,1% CHAPS, 10 mM DTT, 1 mM EDTA, 10% glycerol.

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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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Buffers, sodium phosphate buffer solutions (0,5 mol/L)

Supplier: Cayman Chemical

Sodium phosphate stock solution (0,5 mol/L), pH value: 7,0

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HDAC assay buffer II

Supplier: ENZO LIFE SCIENCES

50 mM Tris/Cl, pH 8.0, 137 mM NaCl, 2.7 mM KCl, 1 mM MgCl2, 1 mg/ml BSA.

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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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