{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,10]],"date-time":"2026-04-10T01:09:04Z","timestamp":1775783344632,"version":"3.50.1"},"reference-count":54,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2022,6,10]],"date-time":"2022-06-10T00:00:00Z","timestamp":1654819200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["11475079"],"award-info":[{"award-number":["11475079"]}],"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":["202002032548"],"award-info":[{"award-number":["202002032548"]}],"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":["202150084066"],"award-info":[{"award-number":["202150084066"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Study on double receptor Sandwich recognition method for organophosphorus Pesticide residues in Camellia oleifera products of Science and Technology Bureau of Hengyang City","award":["11475079"],"award-info":[{"award-number":["11475079"]}]},{"name":"Study on double receptor Sandwich recognition method for organophosphorus Pesticide residues in Camellia oleifera products of Science and Technology Bureau of Hengyang City","award":["202002032548"],"award-info":[{"award-number":["202002032548"]}]},{"name":"Study on double receptor Sandwich recognition method for organophosphorus Pesticide residues in Camellia oleifera products of Science and Technology Bureau of Hengyang City","award":["202150084066"],"award-info":[{"award-number":["202150084066"]}]},{"name":"Key Laboratory of quality Inspection of Camellia oleifera products in Hengyang City of Science and Technology Bureau of Hengyang City","award":["11475079"],"award-info":[{"award-number":["11475079"]}]},{"name":"Key Laboratory of quality Inspection of Camellia oleifera products in Hengyang City of Science and Technology Bureau of Hengyang City","award":["202002032548"],"award-info":[{"award-number":["202002032548"]}]},{"name":"Key Laboratory of quality Inspection of Camellia oleifera products in Hengyang City of Science and Technology Bureau of Hengyang City","award":["202150084066"],"award-info":[{"award-number":["202150084066"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>In this paper, a novel ion-imprinted electrochemical sensor modified with magnetic nanomaterial Fe3O4@SiO2 was established for the high sensitivity and selectivity determination of UO22+ in the environment. Density functional theory (DFT) was employed to investigate the interaction between templates and binding ligands to screen out suitable functional binding ligand for the reasonable design of the ion imprinted sensors. The MIIP\/MCPE (magnetic ion imprinted membrane\/magnetic carbon paste electrode) modified with Fe3O4@SiO2 exhibited a strong response current and high sensitivity toward uranyl ion comparison with the bare carbon paste electrodes. Meanwhile, the MCPE was fabricated simultaneously under the action of strong magnetic adsorption, and the ion imprinted membrane can be adsorbed stably on the electrode surface, handling the problem that the imprinted membrane was easy to fall off during the process of experimental determination and elution. Based on the uranyl ion imprinting network, differential pulse voltammetry (DPV) was adopted for the detection technology to realize the electrochemical reduction of uranyl ions, which improved the selectivity of the sensor. Thereafter, uranyl ions were detected in the linear concentration range of 1.0 \u00d7 10\u22129 mol L\u22121 to 2.0 \u00d7 10\u22127 mol L\u22121, with the detection and quantification limit of 1.08 \u00d7 10\u22129 and 3.23 \u00d7 10\u221210 mol L\u22121, respectively. In addition, the sensor was successfully demonstrated for the determination of uranyl ions in uranium tailings soil samples and water samples with a recovery of 95% to 104%.<\/jats:p>","DOI":"10.3390\/s22124410","type":"journal-article","created":{"date-parts":[[2022,6,13]],"date-time":"2022-06-13T02:01:44Z","timestamp":1655085704000},"page":"4410","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["A Novel Electrochemical Sensor Modified with a Computer-Simulative Magnetic Ion-Imprinted Membrane for Identification of Uranyl Ion"],"prefix":"10.3390","volume":"22","author":[{"given":"Li-Qiong","family":"He","sequence":"first","affiliation":[{"name":"Hunan Key Laboratory of Typical Environmental Pollution and Health Hazards, School of Public Health, Hengyang Medical School, University of South China, Hengyang 421001, China"}]},{"given":"Zhi-Mei","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Resource & Environment and Safety Engineering, University of South China, Hengyang 421001, China"}]},{"given":"Yu-Jie","family":"Li","sequence":"additional","affiliation":[{"name":"School of Resource & Environment and Safety Engineering, University of South China, Hengyang 421001, China"}]},{"given":"Jing","family":"Yang","sequence":"additional","affiliation":[{"name":"Hengyang Market Supervision Inspection and Testing Center, Hengyang 421001, China"}]},{"given":"Li-Fu","family":"Liao","sequence":"additional","affiliation":[{"name":"School of Chemistry and Chemical Engineering, University of South China, Hengyang 421001, China"}]},{"given":"Xi-Lin","family":"Xiao","sequence":"additional","affiliation":[{"name":"Hunan Key Laboratory of Typical Environmental Pollution and Health Hazards, School of Public Health, Hengyang Medical School, University of South China, Hengyang 421001, China"},{"name":"School of Resource & Environment and Safety Engineering, University of South China, Hengyang 421001, China"},{"name":"School of Chemistry and Chemical Engineering, University of South China, Hengyang 421001, China"},{"name":"State Key Laboratory of Chemo & Biosensing and Chemometrics, Hunan University, Changsha 410082, China"}]},{"given":"Yong","family":"Liu","sequence":"additional","affiliation":[{"name":"School of Resource & Environment and Safety Engineering, University of South China, Hengyang 421001, China"}]}],"member":"1968","published-online":{"date-parts":[[2022,6,10]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"147","DOI":"10.1016\/j.jenvrad.2019.03.004","article-title":"Determinations of uranium concentrations in soil, water, vegetables and biological samples from inhabitants of war affected areas in eastern Croatia (ICP-MS method)","volume":"203","author":"Venus","year":"2019","journal-title":"J. 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