{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,4]],"date-time":"2026-09-04T09:16:02Z","timestamp":1788513362988,"version":"build-2803163510"},"reference-count":58,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2024,9,10]],"date-time":"2024-09-10T00:00:00Z","timestamp":1725926400000},"content-version":"vor","delay-in-days":9,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2024,9,1]],"date-time":"2024-09-01T00:00:00Z","timestamp":1725148800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["analyticalsciencejournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Luminescence"],"published-print":{"date-parts":[[2024,9]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    The capped CdS\u2010ZnS quantum dots (QDs) were synthesized with various thiol capping agents of glycolic acid (TGA), mercaptosuccinic acid (MSA), and L\u2010cysteine (LCY) and used as fluorescence probe for determination of Cu (II) ions. The method of two\u2010level three\u2010factor full\u2010factorial experiment design was used to achieve the best optical fluorescence emission. Results revealed that Cu (II) ions can effectively quench the emission of QDs, and the fluorescence intensity is linearly decreased with increasing Cu (II) ion concentration. The limit of detection for CdS\u2010ZnS@ QDs capped with TGA, MSA, and LCY was obtained at 1.15\u2009\u00d7\u00a010\n                    <jats:sup>\u22127<\/jats:sup>\n                    , 1.32\u2009\u00d7\u00a010\n                    <jats:sup>\u22127<\/jats:sup>\n                    , and 2.19\u2009\u00d7\u00a010\n                    <jats:sup>\u22127<\/jats:sup>\n                    \u00a0mol\u2009L\n                    <jats:sup>\u22121<\/jats:sup>\n                    , respectively, with linear dynamic range of 3.13\u2009\u00d7\u00a010\n                    <jats:sup>\u22126<\/jats:sup>\n                    to 1.41\u2009\u00d7\u00a010\n                    <jats:sup>\u22124<\/jats:sup>\n                    \u00a0mol\u2009L\n                    <jats:sup>\u22121<\/jats:sup>\n                    . Luminescence quantum yields of CdS\u2010ZnS@LCY, CdS\u2010ZnS@MSA, and CdS\u2010ZnS@TGA were obtained at 4.17, 1.92, and 2.47, respectively. Results indicated that no significant quenching occurred in the presence of the other metal ions. The binding constant (\n                    <jats:italic>K<\/jats:italic>\n                    <jats:sub>\n                      <jats:italic>b<\/jats:italic>\n                    <\/jats:sub>\n                    ) of capped CdS\u2010ZnS@ QDs with Cu\n                    <jats:sup>2+<\/jats:sup>\n                    and the other metal ions was also investigated and discussed. The\n                    <jats:italic>K<\/jats:italic>\n                    <jats:sub>\n                      <jats:italic>b<\/jats:italic>\n                    <\/jats:sub>\n                    value for Cu\n                    <jats:sup>2+<\/jats:sup>\n                    was obtained considerably more than that the other ions. This work presents a new and sensitive method for determination of Cu\n                    <jats:sup>2+<\/jats:sup>\n                    ion.\n                  <\/jats:p>","DOI":"10.1002\/bio.4874","type":"journal-article","created":{"date-parts":[[2024,9,10]],"date-time":"2024-09-10T03:28:32Z","timestamp":1725938912000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Improvement of fluorescence properties by surface modification of CdS\u2010ZnS quantum dots by thiol compounds and its application as a sensitive fluorescence probe for copper ion detection"],"prefix":"10.1002","volume":"39","author":[{"given":"Seyfollah","family":"Ghasemi","sequence":"first","affiliation":[{"name":"Analytical Division, Faculty of Chemistry University of Mazandaran  Babolsar Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6334-567X","authenticated-orcid":false,"given":"Abdolraouf","family":"Samadi\u2010Maybodi","sequence":"additional","affiliation":[{"name":"Analytical Division, Faculty of Chemistry University of Mazandaran  Babolsar Iran"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,9,10]]},"reference":[{"issue":"1","key":"e_1_2_9_2_1","first-page":"50","volume":"7","author":"Rahman M. 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