TY - RPRT TI - Direct visualization of surface charge in aqueous solution. AU - D M Czajkowsky AU - M J Allen AU - V Elings AU - Z Shao PY - 1998 DO - 10.1016/s0304-3991(98)00024-2 UR - https://pubmed.ncbi.nlm.nih.gov/9703699/ ID - 9703699 ER -