@misc{indiciae28041eb30d22,
  title = {A pH sensor based on force generated by pH-dependent polymer swelling.},
  author = {Lee Zhang and W Rudolf Seitz},
  year = {2002},
  doi = {10.1007/s00216-002-1383-y},
  url = {https://pubmed.ncbi.nlm.nih.gov/12185567/},
  note = {Source identifier: 12185567}
}