[HTML][HTML] Surgical spectral imaging

NT Clancy, G Jones, L Maier-Hein, DS Elson… - Medical image …, 2020 - Elsevier
Recent technological developments have resulted in the availability of miniaturised spectral
imaging sensors capable of operating in the multi-(MSI) and hyperspectral imaging (HSI) …

Medical applications of reflectance spectroscopy in the diffusive and sub-diffusive regimes

S Akter, MG Hossain, I Nishidate… - Journal of Near …, 2018 - journals.sagepub.com
Diffuse reflectance spectroscopy is a widely used technique for medical applications that
may analyze the optical characteristics of biological tissues. By using diffuse reflectance …

Intraoperative colon perfusion assessment using multispectral imaging

NT Clancy, AS Soares, S Bano, LB Lovat… - Biomedical Optics …, 2021 - opg.optica.org
In colorectal surgery an anastomosis performed using poorly-perfused, ischaemic bowel
segments may result in a leak and consequent morbidity. Traditional measures of perfusion …

Assessment of oxidative stress and metabolic rates in liver grafts using time-resolved fluorescence spectroscopy

MS Nogueira, A Cosci… - … : Photonic Solutions for …, 2018 - spiedigitallibrary.org
One of the most relevant postoperative problems in liver transplantation is the initial graft
dysfunction, which is generated by the oxidative stress due to ischemia and/or reperfusion …

Machine learning-based screening of red blood cells using quantitative phase imaging with micro-spectrocolorimetry

V Singh, V Srivastava, DS Mehta - Optics & Laser Technology, 2020 - Elsevier
We report simultaneous micro-spectrocolorimetry and quantitative phase imaging (QPI) of
human red blood cells (RBCs) using white light interference microscopy. To understand the …

[HTML][HTML] Non-alcoholic fatty liver disease and steatohepatitis: risk factors and pathophysiology

S Akter - Middle East Journal of Digestive Diseases, 2022 - ncbi.nlm.nih.gov
Non-alcoholic fatty liver disease (NAFLD) and its progressive subtype non-alcoholic
steatohepatitis (NASH) are the most prevalent liver diseases, often leading to hepatocellular …

Camera-based blood oxygen measurement

I Nishidate - Contactless Vital Signs Monitoring, 2022 - Elsevier
The major chromophores in biological tissues are oxygenated hemoglobin and
deoxygenated hemoglobin, which show distinctive optical absorption properties in the …

Extraction of the anisotropy factor and refractive index of biological tissue in the near-infrared region from diffusion approximation in the spatial frequency domain

H Sarid, D Abookasis - Optics Communications, 2022 - Elsevier
In order to characterize biological tissue or to model light propagation in tissue medium it is
necessary to define four key optical parameters, namely, absorption coefficient μ a, reduced …

Single probe diffuse reflectance spectroscopy to assess the effect of sarcopoterium spinosum treatment on the cerebral tissue properties of ApoE knockout mouse

D Shemesh, K Rozenberg, T Rosenzweig… - Journal of …, 2021 - Wiley Online Library
In this work, diffuse near‐infrared light reflectance spectroscopy based on a single optical
probe, contains central single collection fiber surrounded by a circular array of illumination …

[PDF][PDF] Skin Tissue Oxygen Saturation Prediction: A Comparison Study of Artificial Intelligence Techniques

A Huong, X Ngu - Adv. Sci. Technol. Eng. Syst. J, 2020 - researchgate.net
Noninvasive measurement of skin tissue oxygen saturation, StO2, is of interest especially in
the studies of wound healing and detection of vascular diseases. This work aims to compare …