Optical properties of acute kidney injury measured by quantitative phase imaging.

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Biomedical optics express, ISSN: 2156-7085, Vol: 9, Issue: 3, Page: 921-932

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Ban, Sungbea; Min, Eunjung; Baek, Songyee; Kwon, Hyug Moo; Popescu, Gabriel; Jung, Woonggyu
The Optical Society; OPTICAL SOC AMER
Biochemistry, Genetics and Molecular Biology; Physics and Astronomy
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article description
The diagnosis of acute kidney disease (AKI) has been examined mainly by histology, immunohistochemistry and western blot. Though these approaches are widely accepted in the field, it has an inherent limitation due to the lack of high-throughput and quantitative information. For a better understanding of prognosis in AKI, we present a new approach using quantitative phase imaging combined with a wide-field scanning platform. Through the phase-delay information from the tissue, we were able to predict a stage of AKI based on various optical properties such as light scattering coefficient and anisotropy. These optical parameters quantify the deterioration process of the AKI model of tissue. Our device would be a very useful tool when it is required to deliver fast feedback of tissue pathology or when diseases are related to mechanical properties such as fibrosis.