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The investigated coumarine\u2010based derivative forms spherical nanoparticles in aqueous media. In presence of Pd<jats:sup>2+<\/jats:sup>, a metallosupramolecular coordination polymer is formed, which is accompanied by quenching of the coumarin emission at 390\u2005nm. Its Pd<jats:sup>2+<\/jats:sup> complex could be used as a probe for chemoselective detection of monohydrogensulfide (HS<jats:sup>\u2212<\/jats:sup>). Presence of HS<jats:sup>\u2212<\/jats:sup> leads to a'turn\u2010on' fluorescence signal, resulting from decomplexation of Pd<jats:sup>2+<\/jats:sup> from the metallosupramolecular probe. The probe was successfully applied for qualitative and quantitative detection of HS<jats:sup>\u2212<\/jats:sup> in different sources of water directly collected from sea, river, tap and laboratory drain water, as well as in growth media for aquatic species.<\/jats:p>","DOI":"10.1002\/open.202000163","type":"journal-article","created":{"date-parts":[[2020,7,30]],"date-time":"2020-07-30T06:13:53Z","timestamp":1596089633000},"page":"786-792","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["A Metallosupramolecular Coordination Polymer for the \u2018Turn\u2010on\u2019 Fluorescence Detection of Hydrogen Sulfide"],"prefix":"10.1002","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0785-6912","authenticated-orcid":false,"given":"Joydev","family":"Hatai","sequence":"first","affiliation":[{"name":"Faculty of Chemistry (Organic Chemistry) and Center for Nanointegration Duisburg- Essen (CENIDE) University of Duisburg-Essen  Universit\u00e4tsstrasse 7 45141 Essen Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9409-1550","authenticated-orcid":false,"given":"Christoph","family":"Hirschh\u00e4user","sequence":"additional","affiliation":[{"name":"Faculty of Chemistry (Organic Chemistry) and Center for Nanointegration Duisburg- Essen (CENIDE) University of Duisburg-Essen  Universit\u00e4tsstrasse 7 45141 Essen Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6062-0357","authenticated-orcid":false,"given":"Carsten","family":"Schmuck","sequence":"additional","affiliation":[{"name":"Faculty of Chemistry (Organic Chemistry) and Center for Nanointegration Duisburg- Essen (CENIDE) University of Duisburg-Essen  Universit\u00e4tsstrasse 7 45141 Essen Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9295-4260","authenticated-orcid":false,"given":"Jochen","family":"Niemeyer","sequence":"additional","affiliation":[{"name":"Faculty of Chemistry (Organic Chemistry) and Center for Nanointegration Duisburg- Essen (CENIDE) University of Duisburg-Essen  Universit\u00e4tsstrasse 7 45141 Essen Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2020,7,30]]},"reference":[{"key":"e_1_2_7_1_1","unstructured":"\u00a0"},{"key":"e_1_2_7_2_2","doi-asserted-by":"publisher","DOI":"10.1146\/annurev-pharmtox-010510-100505"},{"key":"e_1_2_7_3_2","doi-asserted-by":"publisher","DOI":"10.1177\/1091581810384882"},{"key":"e_1_2_7_4_1","unstructured":"US National Research Council. 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