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DOI：10.1021/acs.analchem.2c01646.png)
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ABSTRACT: Developing simple, rapid, and accurate methods for cancer cell identification could facilitate early cancer diagnosis and tumor metastasis research. Herein, we develop a novel chemical nose sensor that employs the collective recognition abilities of a set of discriminative identification of cancer cells. By controlling the types and/or copies of aptamers assembled on the DNA origami nanostructure, we constructed five MADO probes with differential binding afinities (ranging from 3.08 to 78.92 nM) to five types of cells (HeLa, MDA-MB-468, MCF-7, HepG2, and MCF-10A). We demonstrate the utility of the MADO-based chemical nose sensor in the identification of blinded unknown cell samples with a 95% accuracy. This sensing platform holds great potential for applications in medical diagnostics.
Keyword:
SENSOR ARRAY
GOLD-NANOPARTICLE
RECOGNITION
CANCER
IDENTIFICATION
CELLS
HETEROGENEITY
DIFFERENTIATION
DISCRIMINATION
PRECISION
期刊
IF:
6.7
论文数:
4.7W
被引数:
15.9W
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引用论文
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