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Wu, Zhihua; Zhao, De; Han, Xin; Liu, Jichang; Sun, Ying; Li, Yaogang; Duan, Yourong
Journal of nanobiotechnology, 01/2023, Letnik: 21, Številka: 1Journal Article
Superhydrophobic substrate modifications are an effective way to improve SERS sensitivity by concentrating analyte molecules into a small surface area. However, it is difficult to manipulate low-volume liquid droplets on superhydrophobic substrates. To overcome this limitation, we deposited a hydrophilic Ti.sub.3C.sub.2T.sub.x film on a superhydrophobic ZnO nanorod array to create a SERS substrate with improved analyte affinity. Combined with its interfacial charge transfer properties, this enabled a rhodamine 6G detection limit of 10.sup.-11 M to be achieved. In addition, the new SERS substrate showed potential for detection of biological macromolecules, such as microRNA. Combined with its facile preparation, the SERS activity of ZnO/Ti.sub.3C.sub.2T.sub.x suggests it may provide an ultrasensitive environmental pollutant-monitoring and effective substrate for biological analyte detection.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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