| http://www.w3.org/ns/prov#value | - In the case of nucleic acid constructs comprising liposomal transfection vesicles, the aqueous solutions are preferably free from polyvalent buffering agents (particularly citrate and phosphate), salts, and other negatively charged species (other than the nucleic acids and in some cases the hydrophilic matrix material), which have been found in some cases to reduce transfection efficiency of the r
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