Nanoelectronic Discrimination of Nonmalignant and Malignant Cells Using Nanotube Field-Effect Transistors.

Nanoelectronic Discrimination of Nonmalignant and Malignant Cells Using Nanotube Field-Effect Transistors.
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DOI:
10.1021/acssensors.7b00383
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发表时间:
2017-08-25
期刊:
影响因子:
8.9
通讯作者:
Star A
Star A
中科院分区:
化学1区
文献类型:
--
作者:
Silva GO;Michael ZP;Bian L;Shurin GV;Mulato M;Shurin MR;Star A

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Detection of malignant cells in tissue is a difficult hurdle in medical diagnostics and screening. Carbon nanotubes are extremely sensitive to their local environments, and nanotube-based field-effect transistors (NTFETs) provide a plethora of information regarding the mechanism of interaction with target analytes. Herein, we use a series of functionalized metal nanoparticle-decorated NTFET devices forming an array with multiple non-selective sensor units as the electronic “tongue”, sensing all five basic tastes. By extraction of selected NTFET characteristics using linear discriminant analysis, we have successfully detected and discriminated between malignant and non-malignant tissues and cells. We also studied the sensing mechanism and what NTFET characteristics are responsible for the variation of response between cell types, allowing for the design of future studies such as detection of malignant cells in a biopsy or the effects of malignant cells on healthy tissue.
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