期刊
ACS NANO
卷 16, 期 10, 页码 17376-17388出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsnano.2c08266
关键词
MXene frameworks; e-nose; urinary volatiles; machine learning; noninvasive disease diagnosis
类别
资金
- National Natural Science Foundation of China [22274053, 22274051]
- Shanghai Science and Technology Committee [19ZR1473300, 19411971700]
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration [SHUES2022C03]
- Shanghai Key Laboratory of Multidimensional Information Processing [MIP202104]
- Shanghai Municipal Science and Technology Major Project (Beyond Limits manufacture)
- Fundamental Research Funds for the Central Universities
In this study, a coordination-driven modular assembly strategy was used to develop a library of gas-sensing materials based on porous MXene frameworks (MFs). A high-discriminative MHMF e-nose was assembled using laser-induced graphene interdigital electrodes array and microchamber. By utilizing the MHMF e-nose as a plug-and-play module, a wireless and real-time monitoring POCT platform for urinary volatiles was established, achieving noninvasive diagnosis of multiple diseases with a high accuracy of 91.7%.
Volatile organic compounds (VOCs) in urine are valuable biomarkers for noninvasive disease diagnosis. Herein, a facile coordination-driven modular assembly strategy is used for developing a library of gas-sensing materials based on porous MXene frameworks (MFs). Taking advantage of modules with diverse composition and tunable structure, our MFs-based library can provide more choices to satisfy gas-sensing demands. Meanwhile, the laser-induced graphene interdigital electrodes array and microchamber are laser-engraved for the assembly of a microchamber-hosted MF (MHMF) e-nose. Our MHMF e-nose possesses high-discriminative pattern recognition for simultaneous sensing and distinguishing of complex VOCs. Furthermore, with the MHMF e-nose being a plug-and-play module, a point-of-care testing (POCT) platform is modularly assembled for wireless and real-time monitoring of urinary volatiles from clinical samples. By virtue of machine learning, our POCT platform achieves noninvasive diagnosis of multiple diseases with a high accuracy of 91.7%, providing a favorable opportunity for early disease diagnosis, disease course monitoring, and relevant research.
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