Nonlinear optical phase shift in blood plasmas for neoplasia diagnosis

Detecting cancer at an early stage is crucial for timely treatment and better chances of survival. This research focuses on a scanning method for detecting cancer by examining the nonlinear optical characteristics of blood plasma samples. The study used both cancerous and noncancerous plasma samples...

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Bibliographic Details
Published in:Optics express 2023-07, Vol.31 (14), p.23056-23065
Main Authors: Hoque, Md Enamul, Biswas, Manash Kanti, Hossain, Md Maruf, Bhattacharja, Susmita, Hasan, Khan Md Enamul, Sharafuddin, Sharif Md, Das, Susanta Kumar, Haque, Yasmeen
Format: Article
Language:English
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Summary:Detecting cancer at an early stage is crucial for timely treatment and better chances of survival. This research focuses on a scanning method for detecting cancer by examining the nonlinear optical characteristics of blood plasma samples. The study used both cancerous and noncancerous plasma samples and presented the results statistically by utilizing an incident laser power-dependent nonlinear optical phase shift variable called ζ in the Z-scan technique. The results showed a clear difference between the cancerous and non-cancerous samples with an accuracy of 92%. Furthermore, the study suggests the potential for measuring the cancer staging from the cancerous plasma. The study also confirmed a significant difference in ζ for plasma samples undergoing chemotherapy. A red laser with high power (above 18mW) was used to avoid the involvement of fluorophores or other chemical reagents in the plasma samples during the measurement.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.490188