期刊
NANOMATERIALS
卷 11, 期 7, 页码 -出版社
MDPI
DOI: 10.3390/nano11071768
关键词
nanowire structure; RNA analysis; hydrothermal synthesis; nanodevice; nucleic acid analysis
类别
资金
- Japan Science and Technology Agency (JST) SICORP [JPMJSC19E3]
- JST PRESTO [JPMJPR19H9]
- JSPS [18H05243, 20K21124, 21H01960]
- Nanotechnology Platform Program (Molecule and Material Synthesis) of the Ministry of Education, Culture, Sports, Science and Technology (MEXT)
- Cooperative Research Program of the Network Joint Research Center for Materials and Devices
- Grants-in-Aid for Scientific Research [21H01960, 18H05243, 20K21124] Funding Source: KAKEN
RNA analytical platforms have gained attention for molecular analysis, but low RNA concentration in blood plasma samples hinders diagnostics. This study developed a ZnO/Al2O3 core-shell nanowire device to capture RNAs efficiently, showing promise for RNA-based extraction and detection. The biocompatibility of the nanowire with blood plasma samples, due to the protective Al2O3 shell, enhances its potential for molecular detection applications.
RNA analytical platforms gained extensive attention recently for RNA-based molecular analysis. However, the major challenge for analyzing RNAs is their low concentration in blood plasma samples, hindering the use of RNAs for diagnostics. Platforms that can enrich RNAs are essential to enhance molecular detection. Here, we developed the annealed ZnO/Al2O3 core-shell nanowire device as a platform to capture RNAs. We showed that the annealed ZnO/Al2O3 core-shell nanowire could capture RNAs with high efficiency compared to that of other circulating nucleic acids, including genomic DNA (gDNA) and cell-free DNA (cfDNA). Moreover, the nanowire was considered to be biocompatible with blood plasma samples due to the crystalline structure of the Al2O3 shell which serves as a protective layer to prevent nanowire degradation. Our developed device has the potential to be a platform for RNA-based extraction and detection.
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