A number of labor intense and time intensive techniques are available for RNA isolation, purification and quantification. Quantification of RNA samples is carried out by measuring their absorption at 260 nm, although the quality and integrity of RNA samples are frequently based on gel electrophoresis followed by ethidium bromide visualization (1–… Read More

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To forestall the loss of stationary period, which shortens the column’s lifetime, it can be certain covalently on the silica particles. Bonded stationary phases????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ??? ?? ??? ??? ???? ?????. ?? ???? ??, ?? ??, ??? ??? … Read More