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IPTG, Dioxan free Size:25g The charge of the membrane N1071542 765 The charge of the membrane (ζ potential) may be altered through the pH of the buffer the membrane is positively charged at pH <6 standard transfection test with HeLa which prevents the repression of the β galactosidase coding gene lacZ Isopropyl beta D thiogalactopyranoside (Dioxan free) is a non metabolizable allolactose analogue
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