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add 20-100 µg/mL of Ultra Pure Ampicillin Trihydrate to your favorite cell culture medium
DNA-free RNA or pure
See 'The 'second life' of rifampicin' by PubMed
including electrophoresis
Uses include electroporation
HEPES Buffer 1M, pH 6.8, Sterile Murashige & Skoog add 20-100 µg/mL of UltraHEPES, also referred to as 4 (2 Hydroxyethyl)piperazine 1 ethanesulfonic acid, is an N substituted aminosulfonic acid buffer with an optimal buffering pH range of 6. 0 to 8. 5. HEPES, when applied as a separator in ultrathin isoelectric focusing gels, enhances phosphoglucomutase resolution. HEPES is zwitterionic at most biological pHs making it one of the best all purpose buffers available for use in biological research. It is also catogorized under