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Journal of industrial and engineering chemistry : JIEC v.69, 2019년, pp.358 - 363   SCIE
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Highly sensitive copper nanowire conductive electrode for nonenzymatic glucose detection

Na, Wonjoo    (Corresponding author.  ); Lee, Jungsup   Jun, Jaemoon   Kim, Wooyoung   Kim, Yun Ki   Jang, Jyongsik  
  • 초록

    Abstract Commercial diabetes test strips, patterned with a carbon paste, has poor durability and preservability because of using enzyme. Furthermore, carbon paste needs sintering process to get proper conductivity. Therefore, alternative conductive ink and sensing materials are the research theme under consideration lately. Therefore, we demonstrated constructing copper nanowire paste glucose sensor strip (CuNW_GSS) platform to diagnose diabetes nonenzymatically. Copper nanowires (CuNWs) were fabricated by a simple hydrothermal method with a capping agent to preserve the CuNWs from oxidation. Moreover, the CuNW paste could be easily utilized without sintering, and this fabricated paste successfully substituted for the commercial carbon paste pattern due to its high conductivity. CuNWs were used as not only the composition of conductive copper paste but also the sensing material for detecting glucose, which grants high charge transport ability to the glucose sensor, leading to high sensing ability. The limit of detection (LOD) of the CuNW_GSS was 1nM, which is 40 times higher sensitivity than those of other glucose sensors and the CuNW_GSS also exhibited excellent selectivity. The excellent sensitivity and selectivity clearly indicate the great potential of the CuNW_GSS in diagnosing diabetes easily. Graphical abstract Copper nanowire paste glucose sensor strip (CuNW_GSS) is demonstrated to diagnose diabetes with glucose nonenzymatically. CuNWs are fabricated by hydrothermal method, then CuNW paste is fabricated without sintering, which can replace commercial carbon paste. CuNWs are used as not only the components of conductive paste but sensing materials. The CuNW_GSS exhibits higher sensitivity and selectivity than those of other glucose sensors. [DISPLAY OMISSION]


  • 주제어

    Copper nanowire .   Conductive electrode .   Glucose .   Sensor .   Strip.  

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