期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 506, 期 -, 页码 188-196出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2017.07.037
关键词
Nozzle-jet printing; ZnO nanorods; Field-effect transistor; Glucose biosensor
资金
- National Leading Research Laboratory program through the National Research Foundation (NRF) of Korea - Ministry of Science, ICT & Future Planning [NRF-2016R1A2B2016665]
Printable electronics is a subject of great interest for low-cost, facile and environmentally-friendly large scale device production. But, it still remains challenging for printable biosensor development. Herein, we present the fabrication of nozzle jet printed flexible field-effect transistor (FET) glucose biosensor. The silver source-drain electrodes and ZnO seed layers were printed on flexible substrate by nozzle-jet printer followed by ZnO nanorods (ZnO NRs) synthesis and glucose oxidase (GOx) immobilization. Utilization of nozzle-jet printing methods resulted in highly reproducible electrodes with well-defined vertical grown ZnO NRs for high GOx loading and enhanced glucose sensing performance in a wide glucose detection range. The stability, anti-interference ability, reproducibility, reusability, and applicability in human serum samples were also assessed. Overall, biosensor fabrication using nozzle-jet printer will not only provide large scale production of highly reproducible electrodes but also reduce the fabrication cost. Additionally, printed electrodes can be modified accordingly for different analyte detection. (C) 2017 Elsevier Inc. All rights reserved.
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