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首页> 外文期刊>Nano: brief reports and reviews >SINGLE WALLED-BORON NITRIDE NANOTUBES BASED NANORESONATOR FOR SENSING OF ACETONE MOLECULES
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SINGLE WALLED-BORON NITRIDE NANOTUBES BASED NANORESONATOR FOR SENSING OF ACETONE MOLECULES

机译：基于单壁氮化硼纳米管的纳米分子传感丙酮分子

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摘要

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 fixed-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 fixed-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 significant 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.
机译：针对悬臂式单壁氮化硼纳米管（SW-BNNT），开发了用于检测人呼吸中丙酮分子的传感器应用程序，并在本工作中进行了分析。可以将其用于连续监测糖尿病。 BNNTs的生物相容性性质证明了其在生物医学应用中的合理性。在本研究中探讨了BNNT作为纳米机械谐振器的可能用途。建立了基于无固定SW-BNNT的纳米谐振器的原子三维（3D）空间框架模型。所提出的模型研究了SW-BNNT用于检测人口中存在的丙酮分子以检测糖尿病的可行性。进行了无固定SW-BNNT纳米管可变纵横比的动态分析。丙酮分子的存在引起SW-BNNT共振频率的偏移。观察到，当存在更多的丙酮分子时，该频移非常显着，并且显示出SW-BNNT对丙酮分子的质量敏感性。基于连续力学的分析方法已被用于验证新开发的传感器方程，因为发现结果非常接近。因此，结果为SW-BNNTs作为生物传感器检测人呼吸中存在的丙酮分子开辟了新的途径。

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