{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,15]],"date-time":"2026-06-15T10:57:11Z","timestamp":1781521031252,"version":"3.54.1"},"reference-count":26,"publisher":"Wiley","issue":"22","license":[{"start":{"date-parts":[[2026,3,27]],"date-time":"2026-03-27T00:00:00Z","timestamp":1774569600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,3,27]],"date-time":"2026-03-27T00:00:00Z","timestamp":1774569600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/100007397","name":"Univerzita Karlova v Praze","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100007397","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Chemistry A European J"],"published-print":{"date-parts":[[2026,6,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    In a more than 100\u2010times cited article published in Chem. Eur. J. in 2008 (reference [4]), 2,2\u00b4:6\u00b42\u00b4\u00b4\u2010terpyridine (\n                    <jats:bold>\n                      <jats:italic>tpy<\/jats:italic>\n                    <\/jats:bold>\n                    ) has been reported to be a \u201chighly selective colorimetric aqueous sensor for mercury.\u201d Verification of this message reveals that the key data and claims reported in the article [4] do not agree with reality. In aqueous DMSO, the reaction of Hg\n                    <jats:sup>II<\/jats:sup>\n                    compounds with\n                    <jats:bold>\n                      <jats:italic>tpy<\/jats:italic>\n                    <\/jats:bold>\n                    does not produce the pink species [Hg(\n                    <jats:bold>\n                      <jats:italic>tpy<\/jats:italic>\n                    <\/jats:bold>\n                    )\n                    <jats:sub>2<\/jats:sub>\n                    ]\n                    <jats:sup>2+<\/jats:sup>\n                    , but white (colorless) products with limited solubility, uncertain stoichiometry and thus structure, and zero use in colorimetry. The color and spectra assigned in the article [4] to Hg\n                    <jats:sup>II<\/jats:sup>\n                    \/\n                    <jats:bold>\n                      <jats:italic>tpy<\/jats:italic>\n                    <\/jats:bold>\n                    systems actually exhibit systems Fe\n                    <jats:sup>II<\/jats:sup>\n                    \/\n                    <jats:bold>\n                      <jats:italic>tpy<\/jats:italic>\n                    <\/jats:bold>\n                    , so that\n                    <jats:bold>\n                      <jats:italic>tpy<\/jats:italic>\n                    <\/jats:bold>\n                    can potentially serve as a colorimetric aqueous sensor for Fe\n                    <jats:sup>II<\/jats:sup>\n                    ions with the naked\u2010eye detection limit of 1\u00b710\n                    <jats:sup>\u22126<\/jats:sup>\n                    \u00a0mol\/L. Practically only Fe\n                    <jats:sup>II<\/jats:sup>\n                    mono\u2010\n                    <jats:bold>\n                      <jats:italic>tpy<\/jats:italic>\n                    <\/jats:bold>\n                    species are present in solutions in DMSO(\n                    <jats:italic>aq<\/jats:italic>\n                    ) of conc. at least up to the 10\n                    <jats:sup>\u22122<\/jats:sup>\n                    \u00a0mol\/L.\n                  <\/jats:p>","DOI":"10.1002\/chem.202502627","type":"journal-article","created":{"date-parts":[[2026,3,27]],"date-time":"2026-03-27T14:04:33Z","timestamp":1774620273000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Re\u2010Evaluation of the Applicability of Terpyridine as a Highly Selective Aqueous Colorimetric Sensor for Mercury"],"prefix":"10.1002","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7382-6378","authenticated-orcid":false,"given":"Andrei","family":"Chernyshev","sequence":"first","affiliation":[{"name":"Department of Physical and Macromolecular Chemistry Faculty of Sciences Charles University  Praha 2 Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9412-2548","authenticated-orcid":false,"given":"Ji\u0159\u00ed","family":"Vohl\u00eddal","sequence":"additional","affiliation":[{"name":"Department of Physical and Macromolecular Chemistry Faculty of Sciences Charles University  Praha 2 Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,3,27]]},"reference":[{"key":"e_1_2_5_2_1","doi-asserted-by":"publisher","DOI":"10.3390\/polym16040542"},{"key":"e_1_2_5_3_1","doi-asserted-by":"publisher","DOI":"10.3390\/polym13030362"},{"key":"e_1_2_5_4_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.organomet.6b00822"},{"key":"e_1_2_5_5_1","doi-asserted-by":"publisher","DOI":"10.1002\/chem.200701895"},{"key":"e_1_2_5_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/ejic.201200256"},{"key":"e_1_2_5_7_1","doi-asserted-by":"publisher","DOI":"10.1039\/c5dt04133c"},{"key":"e_1_2_5_8_1","doi-asserted-by":"publisher","DOI":"10.1002\/3527608486"},{"key":"e_1_2_5_9_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.2c13432"},{"key":"e_1_2_5_10_1","doi-asserted-by":"publisher","DOI":"10.1107\/S2053229624004224"},{"key":"e_1_2_5_11_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.jpcb.1c08366"},{"key":"e_1_2_5_12_1","doi-asserted-by":"publisher","DOI":"10.3390\/polym14235207"},{"key":"e_1_2_5_13_1","doi-asserted-by":"publisher","DOI":"10.1039\/D0DT01541E"},{"key":"e_1_2_5_14_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF01665700"},{"key":"e_1_2_5_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0020\u20101693(00)80249\u20102"},{"key":"e_1_2_5_16_1","first-page":"612","volume-title":"Advanced Inorganic Chemistry","author":"Cotton F. 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