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- 저자 : SANDESH TRIVEDI (검색결과 1 건)
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SINGLE WALLED-BORON NITRIDE NANOTUBES BASED NANORESONATOR FOR SENSING OF ACETONE MOLECULES
SANDESH TRIVEDI,SATISH C. SHARMA,SURAJ P. HARSHA 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2014 NANO Vol.9 No.8
Sensor application for detection of acetone molecule(s) present in human breath is developed for cantilevered single walled-boron nitride nanotube (SW-BNNT) and analyzed in the present work. The same can be used for continuous monitoring of diabetes. Biocompatibility nature of BNNTs justify their use in biomedical applications. The possible use of the BNNT as nanomechanical resonators is explored in the present study. An atomistic three dimensional (3D) space frame model of ¯xed-free SW-BNNT-based nanoresonator is developed. The proposed model investigates the feasibility of SW-BNNT for sensing acetone molecules present in human breath for detecting diabetes. Dynamic analysis of ¯xed-free SW-BNNT for variable aspect ratios of nanotubes is carried out. Presence of acetone molecule(s) causes a shift in the resonant frequency of SW-BNNT. It is observed that this frequency shift is quite signi¯cant with presence of more acetone molecules and shows mass sensitivity of SW-BNNT toward acetone molecules. Continuum mechanics-based analytical approach has been used to validate the newly developed sensor equations as the results are found to be in close proximity. The result thus paves new path for the application of SW-BNNTs as biosensor for detection of acetone molecule(s) present in human breath.
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