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University","award":["BS453"],"award-info":[{"award-number":["BS453"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Herein, an ultra-sensitive and facile electrochemical biosensor for procalcitonin (PCT) detection was developed based on NiCoP\/g-C3N4 nanocomposites. Firstly, NiCoP\/g-C3N4 nanocomposites were synthesized using hydrothermal methods and then functionalized on the electrode surface by \u03c0-\u03c0 stacking. Afterward, the monoclonal antibody that can specifically capture the PCT was successfully linked onto the surface of the nanocomposites with a 1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride (EDC) and N-Hydroxysuccinimide (NHS) condensation reaction. Finally, the modified sensor was employed for the electrochemical analysis of PCT using differential Pulse Voltammetry(DPV). Notably, the larger surface area of g-C3N4 and the higher electron transfer capacity of NiCoP\/g-C3N4 endow this sensor with a wider detection range (1 ag\/mL to 10 ng\/mL) and an ultra-low limit of detection (0.6 ag\/mL, S\/N = 3). In addition, this strategy was also successfully applied to the detection of PCT in the diluted human serum sample, demonstrating that the developed immunosensors have the potential for application in clinical testing.<\/jats:p>","DOI":"10.3390\/s23094348","type":"journal-article","created":{"date-parts":[[2023,4,28]],"date-time":"2023-04-28T02:02:23Z","timestamp":1682647343000},"page":"4348","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["NiCoP\/g-C3N4 Nanocomposites-Based Electrochemical Immunosensor for Sensitive Detection of Procalcitonin"],"prefix":"10.3390","volume":"23","author":[{"given":"Furong","family":"Chen","sequence":"first","affiliation":[{"name":"Inner Mongolia Key Laboratory of Carbon Nanomaterials, Nano Innovation Institute (NII), College of Chemistry and Materials Science, Inner Mongolia Minzu University, Tongliao 028000, China"}]},{"given":"Layue","family":"Bao","sequence":"additional","affiliation":[{"name":"Inner Mongolia Key Laboratory of Carbon Nanomaterials, Nano Innovation Institute (NII), College of Chemistry and Materials Science, Inner Mongolia Minzu University, Tongliao 028000, China"}]},{"given":"Ying","family":"Zhang","sequence":"additional","affiliation":[{"name":"Inner Mongolia Key Laboratory of Carbon Nanomaterials, Nano Innovation Institute (NII), College of Chemistry and Materials Science, Inner Mongolia Minzu University, Tongliao 028000, China"}]},{"given":"Ruili","family":"Wang","sequence":"additional","affiliation":[{"name":"College of Bioengineering, Beijing Polytechnic, Beijing 100176, China"}]},{"given":"Jinghai","family":"Liu","sequence":"additional","affiliation":[{"name":"Inner Mongolia Key Laboratory of Carbon Nanomaterials, Nano Innovation Institute (NII), College of Chemistry and Materials Science, Inner Mongolia Minzu University, Tongliao 028000, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6372-2807","authenticated-orcid":false,"given":"Wenfeng","family":"Hai","sequence":"additional","affiliation":[{"name":"Inner Mongolia Key Laboratory of Carbon Nanomaterials, Nano Innovation Institute (NII), College of Chemistry and Materials Science, Inner Mongolia Minzu University, Tongliao 028000, China"}]},{"given":"Yushuang","family":"Liu","sequence":"additional","affiliation":[{"name":"Inner Mongolia Key Laboratory of Carbon Nanomaterials, Nano Innovation Institute (NII), College of Chemistry and Materials Science, Inner Mongolia Minzu University, Tongliao 028000, China"}]}],"member":"1968","published-online":{"date-parts":[[2023,4,28]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"129544","DOI":"10.1016\/j.snb.2021.129544","article-title":"Dual-quenching electrochemiluminescence system based on novel acceptor CoOOH@Au NPs for early detection of procalcitonin","volume":"332","author":"Fang","year":"2021","journal-title":"Sens. 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