{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,26]],"date-time":"2026-02-26T05:13:46Z","timestamp":1772082826042,"version":"3.50.1"},"reference-count":40,"publisher":"MDPI AG","issue":"22","license":[{"start":{"date-parts":[[2019,11,9]],"date-time":"2019-11-09T00:00:00Z","timestamp":1573257600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["31971781"],"award-info":[{"award-number":["31971781"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Enrichment of cadmium ion (Cd2+) from the environment may lead to kidney disease and weakened immunity in the body. Current techniques are not convenient enough to measure Cd2+ concentration in the environment due to low sensitivity and poor linear range. In this paper, a new measurement technique is proposed using a new sensing electrode made of nano-copper-enhanced carbon fiber. Nano-copper was deposited onto the surface of carbon fiber to enhance the current concentration and mass transfer rate of Cd2+ during measurement, which improved the electrochemical detection sensitivity significantly (by up to 3.7 \u00d7 108 nA\/nM) and broadened the linear range to 10~105 nM. This device provides a low-cost solution for measuring Cd2+ concentration in the environment.<\/jats:p>","DOI":"10.3390\/s19224901","type":"journal-article","created":{"date-parts":[[2019,11,12]],"date-time":"2019-11-12T04:07:07Z","timestamp":1573531627000},"page":"4901","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Cadmium-Sensitive Measurement Using a Nano-Copper-Enhanced Carbon Fiber Electrode"],"prefix":"10.3390","volume":"19","author":[{"given":"Jian","family":"Wu","sequence":"first","affiliation":[{"name":"School of Mechanical &amp; Automotive Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China"}]},{"given":"Zhipeng","family":"Xu","sequence":"additional","affiliation":[{"name":"Jinan Foreign Language School, Jinan 250014, China"}]},{"given":"Xian","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Mechanical &amp; Industrial Engineering, University of Toronto, 5 King\u2019s College Rd, Toronto, Ontario M5S 3G8, Canada"}]},{"given":"Li","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Mechanical &amp; Automotive Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China"}]},{"given":"Huadong","family":"Qiu","sequence":"additional","affiliation":[{"name":"School of Mechanical &amp; Automotive Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China"}]},{"given":"Kechao","family":"Lu","sequence":"additional","affiliation":[{"name":"School of Mechanical &amp; Automotive Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China"}]},{"given":"Wenhong","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Mechanical &amp; Automotive Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China"}]},{"given":"Qing","family":"Feng","sequence":"additional","affiliation":[{"name":"School of Environmental Science &amp; Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China"}]},{"given":"Jun","family":"Chen","sequence":"additional","affiliation":[{"name":"School of Mechanical &amp; Automotive Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5702-5474","authenticated-orcid":false,"given":"Lei","family":"Yang","sequence":"additional","affiliation":[{"name":"College of information science and engineering, Shandong Agricultural University, Tai\u2019an 271018, China"}]}],"member":"1968","published-online":{"date-parts":[[2019,11,9]]},"reference":[{"key":"ref_1","unstructured":"Luch, A. 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