개인구독
소속 기관이 없으신 경우, 개인 정기구독을 하시면 저렴하게
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지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
In this research, the pH sensor was developed using CNT nanosheet with Nafion coating for the advanced medical sensor such as a blood gas analyzer. The CNT nanosheet was formed by dielectrophoresis and water-meniscus between cantilever-type electrodes. Then, the process of the heat annealing and the Nafion coating was conducted for reducing contact resistance and giving proton selectivity respectively. We measured the response of the pH sensor as the electrolyte-gated CNT-nanosheet field effect transistor. The sensor showed a linear current ratio in a similar range of the normal blood pH. The calibration method was also introduced for decreasing the response variation of between sensors. Coefficient of variance of the pH sensor was decreased by applying the calibration method. A linear relation between the calibrated response of the sensors and pH variance was also obtained. Finally, the pH sensor with a high resolution was fabricated and we verify the feasibility of the sensor by applying the calibration method.
목차
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참고문헌 (11)
참고문헌 신청
F. N. Ishikawa / 2009 / A calibration method for nanowire biosensors to suppress device-to-device variation / ACS Nano 3 (12) : 3969 ~ 3976
N. Lei / 2011 / Simple graphene chemiresistors as pH sensors: Fabrication and characterization / Meas. Sci. Technol 22 (10) : 107002 ~
R. C. Somers / 2012 / A nanocrystal-based ratiometric pH sensor for natural pH ranges / Chem. Sci 3 (10) : 2980 ~ 2985
R. Zhao / 2010 / A pH sensor based on the TiO2 nanotube array modified Ti electrode / Electrochimica Acta 55 (20) : 5647 ~ 5651
T. An / 2010 / Realtime, step-wise, electrical detection of protein molecules using dielectrophoretically aligned SWNT-film FET aptasensors / Lab Chip 10 (16) : 2052 ~ 2056
N. Lei / 2011 / Simple graphene chemiresistors as pH sensors: Fabrication and characterization / Meas. Sci. Technol 22 (10) : 107002 ~
R. C. Somers / 2012 / A nanocrystal-based ratiometric pH sensor for natural pH ranges / Chem. Sci 3 (10) : 2980 ~ 2985
R. Zhao / 2010 / A pH sensor based on the TiO2 nanotube array modified Ti electrode / Electrochimica Acta 55 (20) : 5647 ~ 5651
T. An / 2010 / Realtime, step-wise, electrical detection of protein molecules using dielectrophoretically aligned SWNT-film FET aptasensors / Lab Chip 10 (16) : 2052 ~ 2056
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