{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,8]],"date-time":"2026-02-08T00:40:40Z","timestamp":1770511240522,"version":"3.49.0"},"reference-count":24,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2020,2,13]],"date-time":"2020-02-13T00:00:00Z","timestamp":1581552000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"the Nature Science Foundation of China","award":["21565028"],"award-info":[{"award-number":["21565028"]}]},{"name":"the Nature Science Foundation of China","award":["21765022"],"award-info":[{"award-number":["21765022"]}]},{"name":"the Nature Science Foundation of China","award":["21875218"],"award-info":[{"award-number":["21875218"]}]},{"name":"the Nature Science Foundation of China","award":["21961042"],"award-info":[{"award-number":["21961042"]}]},{"name":"the Natural Science Foundation of Guangxi","award":["2018GXNSFAA294064"],"award-info":[{"award-number":["2018GXNSFAA294064"]}]},{"name":"Youth Innovation Project of Natural Science Foundation of Fujian Provincial Department of Science and Technology","award":["2019J05046"],"award-info":[{"award-number":["2019J05046"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>In this work, we have fabricated a novel difunctional magnetic fluorescent nanohybrid (DMFN) for the determination of cadmium ions (Cd2+) in water samples, where the \u201coff-on\u201d model and \u201cion-imprinting\u201d technique were incorporated simultaneously. The DMFN were composed of CdTe\/CdS core-shell quantum dots (QD) covalently linked onto the surface of polystyrene magnetic microspheres (PMM) and characterized using ultraviolet-visible spectroscopy (UV-Vis), fluorescence spectroscopy, and transmission electron microscopy (TEM). Based on the favorable magnetic and fluorescent properties of the DMFN, the chemical etching of ethylene diamine tetraacetic acid (EDTA) at the surface produced specific Cd2+ recognition sites and quenched the red fluorescence of outer CdTe\/CdS QD. Under optimal determination conditions, such as EDTA concentration, pH, and interfering ions, the working curve of determining Cd2+ was obtained; the equation was obtained Y = 34,759X + 254,894 (R = 0.9863) with a line range 0.05\u20138 \u03bcM, and the detection limit was 0.01 \u03bcM. Results showed that synthesized magnetic fluorescent microspheres had high sensitivity, selectivity, and reusability in detection. Moreover, they have significant potential value in fields such as biomedicine, analytical chemistry, ion detection, and fluorescence labeling.<\/jats:p>","DOI":"10.3390\/s20040995","type":"journal-article","created":{"date-parts":[[2020,2,20]],"date-time":"2020-02-20T03:20:03Z","timestamp":1582168803000},"page":"995","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Preparation of \u201cIon-Imprinting\u201d Difunctional Magnetic Fluorescent Nanohybrid and Its Application to Detect Cadmium Ions"],"prefix":"10.3390","volume":"20","author":[{"given":"Lina","family":"Chen","sequence":"first","affiliation":[{"name":"Guangxi Key Laboratory of Agricultural Resources Chemistry and Biotechnology, Yulin 537000, China"},{"name":"Colleges and Universities Key Laboratory for Efficient Use of Agricultural Resources in the Southeast of Guangxi, Yulin 537000, China"},{"name":"College of Chemistry and Food Science, Yulin Normal University, Yulin 537000, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yue","family":"Lu","sequence":"additional","affiliation":[{"name":"Engineering Research Center of Marine Living Resources Integrated Processing and Safety Risk Assessment, College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Minshu","family":"Qin","sequence":"additional","affiliation":[{"name":"Guangxi Key Laboratory of Agricultural Resources Chemistry and Biotechnology, Yulin 537000, China"},{"name":"Colleges and Universities Key Laboratory for Efficient Use of Agricultural Resources in the Southeast of Guangxi, Yulin 537000, China"},{"name":"College of Chemistry and Food Science, Yulin Normal University, Yulin 537000, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fa","family":"Liu","sequence":"additional","affiliation":[{"name":"Guangxi Key Laboratory of Agricultural Resources Chemistry and Biotechnology, Yulin 537000, China"},{"name":"Colleges and Universities Key Laboratory for Efficient Use of Agricultural Resources in the Southeast of Guangxi, Yulin 537000, China"},{"name":"College of Chemistry and Food Science, Yulin Normal University, Yulin 537000, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Liang","family":"Huang","sequence":"additional","affiliation":[{"name":"College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jing","family":"Wang","sequence":"additional","affiliation":[{"name":"College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hui","family":"Xu","sequence":"additional","affiliation":[{"name":"Engineering Research Center of Marine Living Resources Integrated Processing and Safety Risk Assessment, College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Na","family":"Li","sequence":"additional","affiliation":[{"name":"Guangxi Key Laboratory of Agricultural Resources Chemistry and Biotechnology, Yulin 537000, China"},{"name":"Colleges and Universities Key Laboratory for Efficient Use of Agricultural Resources in the Southeast of Guangxi, Yulin 537000, China"},{"name":"College of Chemistry and Food Science, Yulin Normal University, Yulin 537000, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Guobao","family":"Huang","sequence":"additional","affiliation":[{"name":"Guangxi Key Laboratory of Agricultural Resources Chemistry and Biotechnology, Yulin 537000, China"},{"name":"Colleges and Universities Key Laboratory for Efficient Use of Agricultural Resources in the Southeast of Guangxi, Yulin 537000, China"},{"name":"College of Chemistry and Food Science, Yulin Normal University, Yulin 537000, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3842-3696","authenticated-orcid":false,"given":"Zhihui","family":"Luo","sequence":"additional","affiliation":[{"name":"Guangxi Key Laboratory of Agricultural Resources Chemistry and Biotechnology, Yulin 537000, China"},{"name":"Colleges and Universities Key Laboratory for Efficient Use of Agricultural Resources in the Southeast of Guangxi, Yulin 537000, China"},{"name":"College of Chemistry and Food Science, Yulin Normal University, Yulin 537000, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3133-1219","authenticated-orcid":false,"given":"Baodong","family":"Zheng","sequence":"additional","affiliation":[{"name":"Engineering Research Center of Marine Living Resources Integrated Processing and Safety Risk Assessment, College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2020,2,13]]},"reference":[{"key":"ref_1","first-page":"529","article-title":"Metals and metal compounds in carcinogenesis","volume":"17","author":"Desoize","year":"2003","journal-title":"Vivo"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"1493","DOI":"10.1016\/j.lfs.2006.05.007","article-title":"The vascular endothelium as a target of cadmium toxicity","volume":"79","author":"Prozialeck","year":"2006","journal-title":"Life Sci."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"130","DOI":"10.3390\/toxics3020130","article-title":"Live and Let Die: Roles of Autophagy in Cadmium Nephrotoxicity","volume":"3","author":"Thevenod","year":"2015","journal-title":"Toxics"},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"107","DOI":"10.1159\/000095539","article-title":"Common mechanisms in nephropathy induced by toxic 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