Lung cancer cells detection by a photoelectrochemical MoS2 biosensing chip

Author:

Lai Chun-Liang12,Karmakar Riya,Mukundan ArvindORCID,Chen Wei-Chung3,Wu I-Chen3,Fedorov Vladimir E.45,Feng Shih-Wei6,Choomjinda Ubol7,Huang Shu-Fang8,Wang Hsiang-ChenORCID

Affiliation:

1. Dalin Tzu Chi Hospital

2. Tzu Chi University

3. Kaohsiung Medical University

4. Nikolaev Institute of Inorganic Chemistry, Siberian Branch of Russian Academy of Sciences

5. Novosibirsk State University

6. National University of Kaohsiung

7. Shinawatra University

8. Kaohsiung Armed Forces General Hospital

Abstract

This research aims to explore the potential application of this approach in the production of biosensor chips. The biosensor chip is utilized for the identification and examination of early-stage lung cancer cells. The findings of the optical microscope were corroborated by the field emission scanning electron microscopy, which provided further evidence that the growth of MoS2 is uniform and that there is minimal disruption in the electrode, hence minimizing the likelihood of an open circuit creation. Furthermore, the bilayer structure of the produced MoS2 has been validated through the utilization of Raman spectroscopy. A research investigation was undertaken to measure the photoelectric current generated by three various types of clinical samples containing lung cancer cells, specifically the CL1, NCI-H460, and NCI-H520 cell lines. The findings from the empirical analysis indicate that the coefficient of determination (R-Square) for the linear regression model was approximately 98%. Furthermore, the integration of a double-layer MoS2 film resulted in a significant improvement of 38% in the photocurrent, as observed in the device's performance.

Funder

Kaohsiung Armed Forces General Hospital

Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation-National Chung Cheng University Joint Research Program

National Science and Technology Council

Publisher

Optica Publishing Group

Subject

Atomic and Molecular Physics, and Optics,Biotechnology

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