@misc{indiciaec7da98ff4bc4,
  title = {Direct visualization of surface charge in aqueous solution.},
  author = {D M Czajkowsky and M J Allen and V Elings and Z Shao},
  year = {1998},
  doi = {10.1016/s0304-3991(98)00024-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/9703699/},
  note = {Source identifier: 9703699}
}