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Chinese Academy of Agricultural Sciences","award":["32201952"],"award-info":[{"award-number":["32201952"]}]},{"name":"Agricultural Science and Technology Innovation Program of Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences","award":["2022YFD2100205-01"],"award-info":[{"award-number":["2022YFD2100205-01"]}]},{"name":"Agricultural Science and Technology Innovation Program of Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences","award":["CAAS-ASTIP-G2022-IFST-08"],"award-info":[{"award-number":["CAAS-ASTIP-G2022-IFST-08"]}]},{"name":"Agricultural Science and Technology Innovation Program of Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences","award":["KM202211232004"],"award-info":[{"award-number":["KM202211232004"]}]},{"name":"R&amp;D Program of Beijing Municipal Education Commission","award":["61601037"],"award-info":[{"award-number":["61601037"]}]},{"name":"R&amp;D Program of Beijing Municipal Education Commission","award":["62101053"],"award-info":[{"award-number":["62101053"]}]},{"name":"R&amp;D Program of Beijing Municipal Education Commission","award":["62071455"],"award-info":[{"award-number":["62071455"]}]},{"name":"R&amp;D Program of Beijing Municipal Education Commission","award":["32201952"],"award-info":[{"award-number":["32201952"]}]},{"name":"R&amp;D Program of Beijing Municipal Education Commission","award":["2022YFD2100205-01"],"award-info":[{"award-number":["2022YFD2100205-01"]}]},{"name":"R&amp;D Program of Beijing Municipal Education Commission","award":["CAAS-ASTIP-G2022-IFST-08"],"award-info":[{"award-number":["CAAS-ASTIP-G2022-IFST-08"]}]},{"name":"R&amp;D Program of Beijing Municipal Education Commission","award":["KM202211232004"],"award-info":[{"award-number":["KM202211232004"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Three-dimensional (3D) porous graphene-based materials have displayed attractive electrochemical catalysis and sensing performances, benefiting from their high porosity, large surface area, and excellent electrical conductivity. In this work, a novel electrochemical sensor based on 3D porous reduced graphene (3DPrGO) and ion-imprinted polymer (IIP) was developed for trace cadmium ion (Cd(II)) detection in water. The 3DPrGO was synthesized in situ at a glassy carbon electrode (GCE) surface using a polystyrene (PS) colloidal crystal template and the electrodeposition method. Then, IIP film was further modified on the 3DPrGO by electropolymerization to make it suitable for detecting Cd(II). Attributable to the abundant nanopores and good electron transport of the 3DPrGO, as well as the specific recognition for Cd(II) of IIP, a sensitive determination of trace Cd(II) at PoPD-IIP\/3DPrGO\/GCE was achieved. The proposed sensor exhibited comprehensive linear Cd(II) responses ranging from 1 to 100 \u03bcg\/L (R2 = 99.7%). The limit of detection (LOD) was 0.11 \u03bcg\/L, about 30 times lower than the drinking water standard set by the World Health Organization (WHO). Moreover, PoPD-IIP\/3DPrGO\/GCE was applied for the detection of Cd(II) in actual water samples. The satisfying recoveries (97\u201399.6%) and relative standard deviations (RSD, 3.5\u20135.7%) make the proposed sensor a promising candidate for rapid and on-site water monitoring.<\/jats:p>","DOI":"10.3390\/s23239561","type":"journal-article","created":{"date-parts":[[2023,12,1]],"date-time":"2023-12-01T10:39:48Z","timestamp":1701427188000},"page":"9561","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["An Electrochemical Sensor Based on Three-Dimensional Porous Reduced Graphene and Ion Imprinted Polymer for Trace Cadmium Determination in Water"],"prefix":"10.3390","volume":"23","author":[{"given":"Linzhe","family":"Wang","sequence":"first","affiliation":[{"name":"Beijing Key Laboratory of Sensor, Beijing Information Science & Technology University, Beijing 100101, China"},{"name":"Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences\/Key Laboratory of Agricultural Product 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Chinese Academy of Agricultural Sciences\/Key Laboratory of Agricultural Product Processing, Ministry of Agriculture, Beijing 100193, China"},{"name":"Zibo Institute for Digital Agriculture and Rural Research, Zibo 255051, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shuyu","family":"Xiao","sequence":"additional","affiliation":[{"name":"Beijing Key Laboratory of Sensor, Beijing Information Science & Technology University, Beijing 100101, China"},{"name":"Key Laboratory of Modern Measurement and Control Technology, Ministry of Education, Beijing Information Science & Technology University, Beijing 100192, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiyang","family":"Wang","sequence":"additional","affiliation":[{"name":"Beijing Key Laboratory of Sensor, Beijing Information Science & Technology University, Beijing 100101, China"},{"name":"Key Laboratory of Modern Measurement and Control Technology, Ministry of Education, Beijing 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