{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T19:38:23Z","timestamp":1777664303633,"version":"3.51.4"},"reference-count":69,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2018,10,15]],"date-time":"2018-10-15T00:00:00Z","timestamp":1539561600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","doi-asserted-by":"publisher","award":["UID\/QUI\/50006\/2013"],"award-info":[{"award-number":["UID\/QUI\/50006\/2013"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Norte Portugal Regional Operational Programme (NORTE 2020)","award":["Norte-01-0145-FEDER-000011 and Norte-01-0145-FEDER-000024."],"award-info":[{"award-number":["Norte-01-0145-FEDER-000011 and Norte-01-0145-FEDER-000024."]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Applied Sciences"],"abstract":"<jats:p>Multi-walled carbon nanotubes (MWCNT) have provided unprecedented advances in the design of electrochemical sensors. They are composed by sp2 carbon units oriented as multiple concentric tubes of rolled-up graphene, and present remarkable active surface area, chemical inertness, high strength, and low charge-transfer resistance in both aqueous and non-aqueous solutions. MWCNT are very versatile and have been boosting the development of a new generation of electrochemical sensors with application in medicine, pharmacology, food industry, forensic chemistry, and environmental fields. This work highlights the most important synthesis methods and relevant electrochemical properties of MWCNT for the construction of electrochemical sensors, and the numerous configurations and successful applications of these devices. Thousands of studies have been attesting to the exceptional electroanalytical performance of these devices, but there are still questions in MWCNT electrochemistry that deserve more investigation, aiming to provide new outlooks and advances in this field. Additionally, MWCNT-based sensors should be further explored for real industrial applications including for on-line quality control.<\/jats:p>","DOI":"10.3390\/app8101925","type":"journal-article","created":{"date-parts":[[2018,10,16]],"date-time":"2018-10-16T02:52:53Z","timestamp":1539658373000},"page":"1925","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":135,"title":["New Generation of Electrochemical Sensors Based on Multi-Walled Carbon Nanotubes"],"prefix":"10.3390","volume":"8","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1858-8549","authenticated-orcid":false,"given":"Thiago M. B. F.","family":"Oliveira","sequence":"first","affiliation":[{"name":"Centro de Ci\u00eancia e Tecnologia, Universidade Federal do Cariri, Av. Tenente Raimundo Rocha, Cidade Universit\u00e1ria, Juazeiro do Norte 63048-080, CE, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6433-5801","authenticated-orcid":false,"given":"Simone","family":"Morais","sequence":"additional","affiliation":[{"name":"REQUIMTE\u2013LAQV, Instituto Superior de Engenharia do Porto, Instituto Polit\u00e9cnico do Porto, Rua Dr. Bernardino de Almeida 431, 4249-015 Porto, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2018,10,15]]},"reference":[{"key":"ref_1","unstructured":"Makhlouf, A.S.H., and Barhoum, A. (2018). Nanomaterials history, classification, unique properties, production and market. Emerging Applications of Nanoparticles and Architecture Nanostructures\u2014Current Prospects and Future Trends, Elsevier. 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