{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,19]],"date-time":"2026-03-19T19:27:32Z","timestamp":1773948452118,"version":"3.50.1"},"reference-count":43,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2013,3,6]],"date-time":"2013-03-06T00:00:00Z","timestamp":1362528000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>A new fluorescent Zn2+ chemosensor (P1) based on a functionalized porphyrin was synthesized and characterized. P1 displayed dramatic ratiometric variations in absorption and fluorescent emission spectra upon exposure to Zn2+ due to the formation of a  1:1 Zn2+\/P1 complex. The sensor also exhibited high selectivity and sensitivity toward Zn2+ over other common metal ions in the physiological pH range with a detection limit of 1.8 mM. The sensor showed fast response times and excellent reproducibility, thus confirming its potential applicability as a fluorescent sensor for Zn2+ sensing.<\/jats:p>","DOI":"10.3390\/s130303131","type":"journal-article","created":{"date-parts":[[2013,3,6]],"date-time":"2013-03-06T11:11:47Z","timestamp":1362568307000},"page":"3131-3141","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":42,"title":["A Sensitive Ratiometric Fluorescent Sensor for Zinc(II)  with High Selectivity"],"prefix":"10.3390","volume":"13","author":[{"given":"Yuanyuan","family":"Lv","sequence":"first","affiliation":[{"name":"School of Medicine, Zhejiang University City College, Hangzhou 310015, Zhejiang, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mingda","family":"Cao","sequence":"additional","affiliation":[{"name":"School of Medicine, Zhejiang University City College, Hangzhou 310015, Zhejiang, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jiakai","family":"Li","sequence":"additional","affiliation":[{"name":"School of Medicine, Zhejiang University City College, Hangzhou 310015, Zhejiang, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Junbo","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Medicine, Zhejiang University City College, Hangzhou 310015, Zhejiang, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2013,3,6]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1081","DOI":"10.1126\/science.271.5252.1081","article-title":"The galvanization of biology: A growing appreciation for the roles of zinc","volume":"271","author":"Berg","year":"1996","journal-title":"Science"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"327","DOI":"10.1002\/ejic.201100804","article-title":"Highly selective fluorescent and colorimetric chemosensor for ZnII and its application in cell imaging","volume":"162","author":"Xie","year":"2012","journal-title":"Eur. 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