Citation: Jingwen Xu, Chenchen Liang, Zhida Gao, Yan-Yan Song. Construction of nanoreactors on TiO₂ nanotube arrays as a POCT device for sensitive colorimetric detection[J]. Chinese Chemical Letters, ;2023, 34(5): 107863. doi: 10.1016/j.cclet.2022.107863 shu

Construction of nanoreactors on TiO₂ nanotube arrays as a POCT device for sensitive colorimetric detection

College of Sciences, Northeastern University, Shenyang 110004, China

yysong@mail.neu.edu.cn

Received Date: 8 June 2022
Revised Date: 13 September 2022
Accepted Date: 26 September 2022
Available Online: 29 September 2022

Figures(4)

With increasing attention to personalized healthcare, miniaturized and easily implementable devices are desired for point-of-care testing (POCT). Herein, hydrophilic patterns were designed on freestanding TiO₂ nanotube arrays (TiNTs) as nanoreactors for a naked-eye colorimetric assay. With a high aspect ratio, TiNTs can provide a long observation length combined with a limited volume. Moreover, by combining the photocatalytic property of TiO₂ and spatiotemporal controllability of light, hydrophilic nanoreactors were fabricated with minimal volume, and thus the indicator and analyte are limited in a confined void by the hydrophobic surroundings, thus allowing a higher sensitivity for sensing. We believe the proposed sensing platform could provide a promising strategy in developing POCT devices for routine health monitoring.
- Point-of-care testing,
- TiO₂ nanotube arrays,
- Colorimetry,
- Alkaline phosphatase,
- Nano test tube
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Construction of nanoreactors on TiO2 nanotube arrays as a POCT device for sensitive colorimetric detection

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通讯作者: 陈斌, bchen63@163.com

Construction of nanoreactors on TiO₂ nanotube arrays as a POCT device for sensitive colorimetric detection