Biological Buffers

Potassium phosphate tribasic.

ApplicationPotassium hydrogen phthalate may be used as a buffering agent or as a standard for total organic carbon (TOC) calibration and may be used to asses the oxidating activity of CNTs/TiO(2) photoanodes. Potassium hydrogen phthalate solution

Potassium sodium tartrate solution.

Potassium sodium tartrate solution.

DescriptionSigma′s Prehybridization Solution is a 2x ready-to-use buffer for Northern and Southern blot protocols.Suitable for use as a pre-hybridization buffer in Northern and Southern blot protocols.

DescriptionSigma′s Prehybridization Solution is a 2x ready-to-use buffer for Northern and Southern blot protocols.Suitable for use as a pre-hybridization buffer in Northern and Southern blot protocols.

DescriptionUsed for both DNA and RNA isolation, the buffer is designed for the preferential lysis of red blood cells from human whole blood, yielding intact white blood cells (free of red blood cells) for further applications. This buffer is not

DescriptionThis buffer is for use with Sigma Restriction Enzymes. Please note every restriction enzyme is supplied with the appropriate buffer - this product is available for users who need additional buffer. For details on buffer composition and

DescriptionRadioimmunoprecipitation assay buffer (RIPA buffer) is a lysis buffer used for rapid, efficient cell lysis and solubilization of proteins from both adherent and suspension cultured mammalian cells.RIPA (Radio-Immunoprecipitation Assay)

DescriptionRadioimmunoprecipitation assay buffer (RIPA buffer) is a lysis buffer used for rapid, efficient cell lysis and solubilization of proteins from both adherent and suspension cultured mammalian cells.RIPA (Radio-Immunoprecipitation Assay)

DescriptionRNA loading buffer is used as a tracking dye during RNA electrophoresis. The dye has a slight negative charge and will migrate the same direction as RNA, allowing the user to monitor the progress of molecules moving through the gel. The

DescriptionRNA loading buffer is used as a tracking dye during RNA electrophoresis. The RNA loading dye has a slight negative charge and will migrate the same direction as RNA, allowing the user to monitor the progress of molecules moving through