Low frequency detection in clinical multispectral optoacoustic tomography [PDF]
PhotoacousticsFrequency response characterization of optoacoustic (photoacoustic) detectors is critical because the signals are broadband, and the center frequency relates to the absorber size.
Maximilian Bader +3 more
doaj +3 more sources
Evaluating online filtering algorithms to enhance dynamic multispectral optoacoustic tomography [PDF]
Photoacoustics, 2020 Multispectral optoacoustic tomography (MSOT) is an emerging imaging modality, which is able to capture data at high spatiotemporal resolution using rapid tuning of the excitation laser wavelength. However, owing to the necessity of imaging one wavelength
Devin O’Kelly +2 more
doaj +4 more sources
Multispectral optoacoustic tomography enables assessment of disease activity in paediatric inflammatory bowel disease [PDF]
PhotoacousticsMultispectral optoacoustic tomography (MSOT) allows non-invasive molecular disease activity assessment in adults with inflammatory bowel disease (IBD).
Adrian P. Regensburger +20 more
doaj +4 more sources
Functional multispectral optoacoustic tomography imaging of hepatic steatosis development in mice [PDF]
EMBO Molecular Medicine, 2021 The increasing worldwide prevalence of obesity, fatty liver diseases and the emerging understanding of the important roles lipids play in various other diseases is generating significant interest in lipid research.
Shan Huang +7 more
doaj +8 more sources
A sparse deep learning approach for automatic segmentation of human vasculature in multispectral optoacoustic tomography [PDF]
Photoacoustics, 2020 Multispectral Optoacoustic Tomography (MSOT) resolves oxy- (HbO2) and deoxy-hemoglobin (Hb) to perform vascular imaging. MSOT suffers from gradual signal attenuation with depth due to light-tissue interactions: an effect that hinders the precise manual ...
Nikolaos-Kosmas Chlis +7 more
doaj +4 more sources
Multispectral optoacoustic tomography of lipid and hemoglobin contrast in human carotid atherosclerosis [PDF]
Photoacoustics, 2021 Several imaging techniques aim at identifying features of carotid plaque instability but come with limitations, such as the use of contrast agents, long examination times and poor portability.
Angelos Karlas +9 more
doaj +2 more sources
Non-invasive multispectral optoacoustic tomography resolves intrahepatic lipids in patients with hepatic steatosis [PDF]
Photoacoustics, 2023 Hepatic steatosis is characterized by intrahepatic lipid accumulation and may lead to irreversible liver damage if untreated. Here, we investigate whether multispectral optoacoustic tomography (MSOT) can offer label-free detection of liver lipid content ...
Nikolina-Alexia Fasoula +15 more
doaj +2 more sources
Multi-wavelength graph convolutional network for high-performance sparse multispectral optoacoustic tomography [PDF]
PhotoacousticsThe rapid advancement of multispectral optoacoustic tomography (MSOT) has developed for label-free biomedical imaging by providing anatomical and functional visualization through multi-wavelength laser excitation and ultrasound detection.
Mengyang Lu +4 more
doaj +2 more sources
Multicompartmental non-invasive sensing of postprandial lipemia in humans with multispectral optoacoustic tomography [PDF]
Molecular Metabolism, 2021 Objective: Postprandial lipid profiling (PLP), a risk indicator of cardiometabolic disease, is based on frequent blood sampling over several hours after a meal, an approach that is invasive and inconvenient.
Nikolina-Alexia Fasoula +7 more
doaj +2 more sources
VEGF-Targeted Multispectral Optoacoustic Tomography and Fluorescence Molecular Imaging in Human Carotid Atherosclerotic Plaques [PDF]
Diagnostics, 2021 Vulnerable atherosclerotic carotid plaques are prone to rupture, resulting in ischemic strokes. In contrast to radiological imaging techniques, molecular imaging techniques have the potential to assess plaque vulnerability by visualizing diseases ...
Pieter J. Steinkamp +10 more
doaj +2 more sources