{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,25]],"date-time":"2026-07-25T05:09:55Z","timestamp":1784956195926,"version":"3.55.0"},"reference-count":52,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2023,4,11]],"date-time":"2023-04-11T00:00:00Z","timestamp":1681171200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100002742","name":"Banaras Hindu University","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100002742","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["analyticalsciencejournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Luminescence"],"published-print":{"date-parts":[[2023,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Uric acid (UA) is a blood and urine component obtained as a metabolic by\u2010product of purine nucleotides. Abnormalities in UA metabolism cause crystal deposition as monosodium urate and lead to various diseases such as gout, hyperuricemia, Lesch\u2013Nyhan syndrome, etc. Monitoring these diseases requires a rapid, sensitive, selective, and portable detection approach. Therefore, this study demonstrates the hydrothermal synthesis of CuFe<jats:sub>2<\/jats:sub>O<jats:sub>4<\/jats:sub>\/reduced graphene oxide (rGO) nanocomposite for selective detection of UA. After the nanocomposite synthesis, characterization was performed by X\u2010ray diffraction spectroscopy, Fourier transform infrared spectroscopy, Raman spectroscopy, X\u2010ray photoelectron spectroscopy, UV\u2013visible spectrometry, atomic force spectroscopy, scanning electron microscopy, and electrochemical analysis. Furthermore, from the electrochemical analysis using cyclic voltammetry (CV), kinetic studies were carried out by varying the scan rate to obtain the diffusion coefficient, surface concentration, and rate of charge transfer to achieve a calibration curve that indicates the quasi reversible nature of the fabricated electrode with a linear regression coefficient of oxidation (R<jats:sup>2<\/jats:sup>: 0.9992) and reduction (R<jats:sup>2<\/jats:sup>: 0.9971) peaks. Moreover, the fabricated nonenzymatic amperometric sensor to detect UA with a linearity (R<jats:sup>2<\/jats:sup>: 0.9989) of 1\u2013400\u2009\u03bcM was highly sensitive (2.75\u2009\u00d7\u200910<jats:sup>\u22124<\/jats:sup>\u00a0mA\u03bcM<jats:sup>\u22121<\/jats:sup>\u00a0cm<jats:sup>\u22122<\/jats:sup>) and had a lower limit of detection (0.01231\u2009\u03bcM) at pH 7.5 in phosphate\u2010buffered saline solution. Therefore, the CuFe<jats:sub>2<\/jats:sub>O<jats:sub>4<\/jats:sub>\/rGO\/ITO\u2010based nonenzymatic sensor could detect interfering agents and spiked real bovine serum samples with higher sensitivity and selectivity for UA detection.<\/jats:p>","DOI":"10.1002\/bio.4479","type":"journal-article","created":{"date-parts":[[2023,3,14]],"date-time":"2023-03-14T21:19:05Z","timestamp":1678828745000},"page":"1393-1404","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":31,"title":["Electro\u2010optical behaviour of CuFe<sub>2<\/sub>O<sub>4<\/sub>@rGO nanocomposite for nonenzymatic detection of uric acid via the electrochemical method"],"prefix":"10.1002","volume":"38","author":[{"given":"Rahul","family":"Verma","sequence":"first","affiliation":[{"name":"Department of Chemistry, Institute of Science Banaras Hindu University  Varanasi Uttar Pradesh India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7846-0010","authenticated-orcid":false,"given":"Kshitij RB","family":"Singh","sequence":"additional","affiliation":[{"name":"Department of Chemistry, Institute of Science Banaras Hindu University  Varanasi Uttar Pradesh India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4095-7520","authenticated-orcid":false,"given":"Ranjana","family":"Verma","sequence":"additional","affiliation":[{"name":"Department of Physics, Institute of Science Banaras Hindu University  Varanasi Uttar Pradesh India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3793-0450","authenticated-orcid":false,"given":"Jay","family":"Singh","sequence":"additional","affiliation":[{"name":"Department of Chemistry, Institute of Science Banaras Hindu University  Varanasi Uttar Pradesh India"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2023,4,11]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijcard.2015.08.109"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1002\/elan.201000525"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.jpcb.9b08487"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1021\/acsomega.2c04070"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.msec.2015.08.003"},{"key":"e_1_2_9_7_1","first-page":"109","volume":"02","author":"Fang P.","year":"2013","journal-title":"Brain Disord. 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