Author Archives: Tingting Zhang

Carbonized polyacrylonitrile array as a sensitive, biocompatible, and durable substrate for surface-enhanced Raman spectroscopy

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Environ. Sci.: Nano, 2023, Advance Article
DOI: 10.1039/D3EN00404J, Paper
Tingting Zhang, Juan Bao, Shiying Wu, Xianhuai Huang, Weihua Li, Chang Liu, Lingling Wang, Xiuyun Sun, Jiansheng Li, Rui Lu
A carbonized PAN array was designed and applied as an effective SERS substrate. It provided a significant signal enhancement (∼105) with its strong broadband charge-transfer resonance and high reproducibility and consistency in the SERS spectrum.
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A simple electrochemical strategy for the cancer marker CA19-9 detection using copper organic framework nanocomposites signal amplification

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Analyst, 2023, Accepted Manuscript
DOI: 10.1039/D3AN01511D, Paper
Tingting Zhang, Yan Ma, Yuzhong Zhang
In this work, a label-free electrochemical immunosensing of the cancer biomarker carbohydrate antigen 19-9 (CA19-9) was reported using [Fe(CN)6]3-/4- as signal probe and copper organic framework (Cu-BTC) nanocomposites as amplification...
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