We Detected area N on the two contaminated cells and non-contaminated neighboring cells24. N, like all N proteins, is highly positively charged, and binding of endogenous N and cell-derived or recombinant N to cells involves heparan sulfate/heparin (highly negatively charged proteoglycan), as proven via the abrogation of binding by enzymatic https://rna-purification-beads93692.bloggazza.com/28995915/extract-rna-things-to-know-before-you-buy