{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,23]],"date-time":"2026-08-23T15:42:54Z","timestamp":1787499774330,"version":"build-2736575974"},"reference-count":52,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2017,12,12]],"date-time":"2017-12-12T00:00:00Z","timestamp":1513036800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["21507089"],"award-info":[{"award-number":["21507089"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["21605103"],"award-info":[{"award-number":["21605103"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Luminescence"],"published-print":{"date-parts":[[2018,3]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Development of the fluorescent pH detection method is promising due to the sensitivity, easy operation, and low\u2010cost, etc. However, traditional organic fluorophores have still some disadvantages such as the tedious preparation and purification as well as low photostability and water solubility, which limits the rapid detection application. Semiconductor quantum dots (QDs) have recently risen to prominence as an alternative for organic fluorophores in fluorescence analysis by virtue of their convenient synthesis and superior optical properties. In this study, we report on sodium 4\u2010mercaptophenolate functionalized CdSe\/ZnS QDs (denoted as\n                    <jats:sup>\u2212<\/jats:sup>\n                    OPhS\u2010QDs), which can serve as a selective \u201con\u2013off\u201d fluorescence probe for aqueous media pH.\n                    <jats:sup>\u2212<\/jats:sup>\n                    OPhS\u2010QDs exhibit strong fluorescence in near neutral medium. As a Lewis organic base,\n                    <jats:sup>\u2212<\/jats:sup>\n                    OPhS\u2010 moieties on QDs surface easily binds to proton under acidic conditions to yield 4\u2010mercaptophenol capped QDs (i.e\n                    <jats:italic>.<\/jats:italic>\n                    HOPhS\u2010QDs), which acts as an efficient hole trapper. As a result, the QDs photoluminescence (PL) is switched off. Under optimal conditions, the present probe exhibits a good linear relationship between fluorescence response and pH values in the pH range 3.0\u20135.2. Furthermore, the present probe exhibits a high selectivity for proton over other common cations and has been successfully used for pH detection in real water samples.\n                  <\/jats:p>","DOI":"10.1002\/bio.3428","type":"journal-article","created":{"date-parts":[[2017,12,12]],"date-time":"2017-12-12T22:39:19Z","timestamp":1513118359000},"page":"410-416","source":"Crossref","is-referenced-by-count":14,"title":["Sodium 4\u2010mercaptophenolate capped CdSe\/ZnS quantum dots as a fluorescent probe for pH detection in acidic aqueous media"],"prefix":"10.1002","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0422-8884","authenticated-orcid":false,"given":"Hu","family":"Xu","sequence":"first","affiliation":[{"name":"Research Institute of Applied Catalysis, School of Chemical and Environmental Engineering Shanghai Institute of Technology  Shanghai P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dong","family":"Li","sequence":"additional","affiliation":[{"name":"Research Institute of Applied Catalysis, School of Chemical and Environmental Engineering Shanghai Institute of Technology  Shanghai P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yun","family":"Zhao","sequence":"additional","affiliation":[{"name":"Research Institute of Applied Catalysis, School of Chemical and Environmental Engineering Shanghai Institute of Technology  Shanghai P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaomei","family":"Wang","sequence":"additional","affiliation":[{"name":"Research Institute of Applied Catalysis, School of Chemical and Environmental Engineering Shanghai Institute of Technology  Shanghai P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dan","family":"Li","sequence":"additional","affiliation":[{"name":"Research Institute of Applied Catalysis, School of Chemical and Environmental Engineering Shanghai Institute of Technology  Shanghai P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuhong","family":"Wang","sequence":"additional","affiliation":[{"name":"Research Institute of Applied Catalysis, School of Chemical and Environmental Engineering Shanghai Institute of Technology  Shanghai P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2017,12,12]]},"reference":[{"key":"e_1_2_7_2_1","volume-title":"Molecular Cell Biology","author":"Lodish H.","year":"2003"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.236.4808.1559"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1038\/nrm2820"},{"key":"e_1_2_7_5_1","doi-asserted-by":"crossref","DOI":"10.1149\/1.2403829","volume-title":"Determination of pH, Theory & Practice","author":"Bates R. 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