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Its imbalance is linked to disorders such as Parkinson's disease and depression. To address the limitations of costly and specialized dopamine detection methods, this study developed an electrochemical sensor using copper oxide (CuO) and 3\u2009mol% cobalt doped CuO (Co\u2010doped CuO) composite with multiwalled carbon nanotubes (MWCNT). Both materials were synthesized via solution combustion, yielding single\u2010phase nanoparticles under 100\u2009nm. Cyclic voltammetry (CV) showed dopamine oxidation at 0.75\u2009V for concentrations ranging from 0.1 to 100 \u03bcM. The Co\u2010doped CuO\/MWCNT composite exhibited enhanced electrocatalytic activity compared to undoped CuO\/MWCNT, confirmed by CV and chronoamperometry. The Co\u2010doped sensor demonstrated high sensitivity (65.001\u2009\u03bcA\u22c5\u03bcM\n                    <jats:sup>\u22121<\/jats:sup>\n                    \u22c5cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    ), significantly higher than the 57.297\u2009\u03bcA\u22c5\u03bcM\n                    <jats:sup>\u22121<\/jats:sup>\n                    \u22c5cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    observed for the undoped CuO\u2010based electrode. A low detection limit is 0.0285\u2009\u03bcM, and strong selectivity against interfering neurotransmitters like acetylcholine and serotonin. This innovative electrochemical method advances our understanding of CuO\/MWCNT composites and offers a practical and effective solution for dopamine detection.\n                  <\/jats:p>","DOI":"10.1002\/cphc.202500575","type":"journal-article","created":{"date-parts":[[2026,4,17]],"date-time":"2026-04-17T04:55:34Z","timestamp":1776401734000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Nanoparticulate Co\u2010doped CuO\/Multiwalled Carbon Nanotubes Composite for Dopamine"],"prefix":"10.1002","volume":"27","author":[{"ORCID":"https:\/\/orcid.org\/0009-0000-9154-6524","authenticated-orcid":false,"given":"Kulanit","family":"Lanamkham","sequence":"first","affiliation":[{"name":"Department of Materials Engineering Faculty of Engineering Kasetsart University  Chatuchak Bangkok Thailand"},{"name":"Division of Materials Science Nara Institute of Science and Technology Graduate School of Science and Technology  Ikoma Nara Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shouce","family":"Huang","sequence":"additional","affiliation":[{"name":"College of Energy Soochow Institute for Energy and Materials Innovation (SIEMIS) Soochow University  Suzhou P. 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