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Elektroforese buffere

Elektroforese buffere

Elektroforesebuffere opretholder stabile pH-niveauer under adskillelse af DNA, RNA og andre proteiner. Ved at levere ioner, der overfører den påførte strøm, gør de lavladede opløsninger det muligt for molekyler af forskellige størrelser at bevæge sig med forskellige hastigheder til analyse. Som ekstra beskyttelse af proteiner forhindrer de præparative stoffer nedbrydning og sikrer dermed prøvernes levedygtighed og nøjagtige testresultater. Tilgængelige i forskellige molekylvægte kan den bedste elektroforesebuffer vælges ud fra de specifikke makromolekyler, der håndteres.

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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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VWR® Transfer Buffer Concentrate, CAPS 10X

VWR® Transfer Buffer Concentrate, CAPS 10X

Supplier: VWR Chemicals

For transfer of protein to membranes for sequencing or blotting.

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VWR®, MOPS 10X buffer for biotechnology

VWR®, MOPS 10X buffer for biotechnology

Supplier: VWR Chemicals

MOPS is a zwitterionic buffer used as a running buffer for denaturing agarose gel electrophoresis of RNA. Having a pH buffering range from 6,5 to 7,9, MOPS works exceptionally well with formaldehyde gels at 20 mM concentration.

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Buffer, TBE solution 10X concentrate (TRIS-borate-EDTA buffer), Millipore®

Supplier: Merck

Running Buffer, TBE buffer solution 10X concentrate (TRIS-borate-EDTA buffer)

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VWR® UltraPure, Tris-glycine buffers, 10X concentrate

VWR® UltraPure, Tris-glycine buffers, 10X concentrate

Supplier: VWR Chemicals

Running buffers for both 1-D and 2-D protein gel electrophoresis.

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VWR® Buffer, MES-SDS, 20X, UltraPure Grade

VWR® Buffer, MES-SDS, 20X, UltraPure Grade

Supplier: VWR Chemicals

Useful for high resolution of proteins on neutral pH SDS-PAGE gels.

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VWR® TBE Buffer Solution, 10X Concentrate (Tris-Borate-EDTA Buffer), UltraPure Grade

VWR® TBE Buffer Solution, 10X Concentrate (Tris-Borate-EDTA Buffer), UltraPure Grade

Supplier: VWR Chemicals

Running Buffer, TBE buffer solution 10X concentrate (Tris-borate-EDTA buffer)

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Saltvand med fosfatbuffer (PBS), lavt fosfatindhold

Saltvand med fosfatbuffer (PBS), lavt fosfatindhold

Supplier: VWR Chemicals

Strålebehandlet opløsning til brug i skylleceller.

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VWR® Proteomics Grade, Tris-glycine buffer

VWR® Proteomics Grade, Tris-glycine buffer

Supplier: VWR Chemicals

A pre-blended Tris-glycine powder for preparation of Laemmli SDS-PAGE running buffer. The 40 litre pack size prepares 40 litres of 1X Tris-glycine solution (0,025 M Tris base and 0,192 M glycine). Each Ready-Pack™ prepares 1 litre of a 10X concentrate.

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VWR® UltraPure, Tris-acetate-EDTA (TAE) buffer

VWR® UltraPure, Tris-acetate-EDTA (TAE) buffer

Supplier: VWR Chemicals

TAE is an extensively used buffer for agarose gel electrophoresis applications requiring high resolution and separation of high molecular weight, double-stranded DNA. TAE buffer is more compatible with in-gel manipulations and band recovery procedures than TBE buffer.

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VWR®, Phosphate Buffered Saline (PBS), Low Phosphate, 10X

VWR®, Phosphate Buffered Saline (PBS), Low Phosphate, 10X

Supplier: VWR Chemicals

Strålebehandlet PBS-koncentrat, egnet til skylning af celler efter fortynding.

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Saltvand med fosfatbuffer (PBS), højt fosfatindhold

Saltvand med fosfatbuffer (PBS), højt fosfatindhold

Supplier: VWR Chemicals

Strålebehandlet opl., pH 7,2, til skylleblots.

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VWR®, Hybridisation buffers with 50% formamide

VWR®, Hybridisation buffers with 50% formamide

Supplier: VWR Chemicals

Hybridisation cocktail offering blocking and hybridisation for optimised complimentary base pairing of DNA and RNA in Southern blot, Northern blot, dot blot, colony and in situ hybridisation.

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VWR®, SSC buffer, 20X, ultra-pure grade

VWR®, SSC buffer, 20X, ultra-pure grade

Supplier: VWR Chemicals

SSC buffer is a hybridisation buffer for Northern and Southern blots.

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VWR® Separating Gel Buffer, 4X

VWR® Separating Gel Buffer, 4X

Supplier: VWR Chemicals

4X concentrated buffer solution (1,5 M Tris, pH 8,8 and 0,4% SDS). Used for preparation of standard acrylamide:bis-acrylamide gels as well as preparation of gels using PAGE-PLUS™ acrylamide solution.

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VWR®, Tris-borate-EDTA (TBE) buffer

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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