期刊
ACS SENSORS
卷 3, 期 9, 页码 1802-1810出版社
AMER CHEMICAL SOC
DOI: 10.1021/acssensors.8b00528
关键词
electrochemical analysis; wearable sensor; ion-selective electrode; fiber; conductive cotton; lithium sensor; noninvasive monitoring
资金
- Newton-Mosharafa PhD programme (British council and Egyptian cultural affairs & mission sector)
- EPSRC grant High Spec Raman Spectrometer Regional Facility [EP/M022749/1]
- EPSRC [EP/L02263X/1, EP/M022749/1] Funding Source: UKRI
A miniaturized, flexible fiber-based lithium sensor was fabricated from low-cost cotton using a simple, repeatable dip-coating technique. This lithium sensor is highly suited for ready-to-use wearable applications and can be used directly without the preconditioning steps normally required with traditional ion-selective electrodes. The sensor has a stable, rapid, and accurate response over a wide Li+ concentration range that spans over the clinically effective and the toxic concentration limits for lithium in human serum. The sensor is selective to Li+ in human plasma even in the presence of a high concentration of Na+ ions. This novel sensor concept represents a significant advance in wearable sensor technology which will target lithium drug monitoring from under the skin.
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