Results 1 to 10 of about 1,847 (202)
Cardiovascular optoacoustics: From mice to men – A review [PDF]
Photoacoustics, 2019 Imaging has become an indispensable tool in the research and clinical management of cardiovascular disease (CVD). An array of imaging technologies is considered for CVD diagnostics and therapeutic assessment, ranging from ultrasonography, X-ray computed ...
Angelos Karlas +2 more
exaly +4 more sources
Terahertz optoacoustic detection of aqueous salt solutions [PDF]
iScience, 2022 Summary: Terahertz radiation has been used to detect aqueous salt solutions; however, strong absorption of water in terahertz regime limits the application of traditional terahertz techniques.
Liwen Jiang +6 more
doaj +2 more sources
Optoacoustic biomarkers of lipids, hemorrhage and inflammation in carotid atherosclerosis [PDF]
Frontiers in Cardiovascular Medicine, 2023 Imaging plays a critical role in exploring the pathophysiology and enabling the diagnostics and therapy assessment in carotid artery disease. Ultrasonography, computed tomography, magnetic resonance imaging and nuclear medicine techniques have been used ...
Angelos Karlas +23 more
doaj +2 more sources
Non-destructive inspection of oil-water two-phase systems by terahertz optoacoustics [PDF]
PhotoacousticsAccurate determination of water-oil ratios in multiphase systems faces persistent challenges in achieving non-invasive global measurements due to the intrinsic limitations of conventional detection modalities.
Yixin Yao +6 more
doaj +2 more sources
Sensors, 2019 Currently, many optical modalities are being investigated, applied, and further developed for non-invasive analysis and sensing in the life sciences. To befit the complexity of the study objects and questions in this field, the combination of two or more
Merve Meinhardt, Bernhard Roth
exaly +3 more sources
Mapping glucose-induced hemodynamics in white fat depots with label-free optoacoustics [PDF]
PhotoacousticsSubcutaneous adipose tissue (SAT) hemodynamics is an indicator of cardiometabolic health. Herein, we demonstrate a non-invasive approach for imaging SAT hemodynamics in humans using multispectral optoacoustic tomography (MSOT). We evaluated different SAT
Nikolina-Alexia Fasoula +4 more
doaj +2 more sources
Fisheye piezo polymer detector for scanning optoacoustic angiography of experimental neoplasms [PDF]
Photoacoustics, 2023 A number of optoacoustic (or photoacoustic) microscopy and mesoscopy techniques have successfully been employed for non-invasive tumor angiography. However, accurate rendering of tortuous and multidirectional neoplastic vessels is commonly hindered by ...
Alexey Kurnikov +6 more
doaj +2 more sources
Alginate beads as a highly versatile test-sample for optoacoustic imaging [PDF]
Photoacoustics, 2022 Test-samples are necessary for the development of emerging imaging approaches such as optoacoustics (OA); these can be used to benchmark new labeling agents and instrumentation, or to characterize image analysis algorithms or the inversion required to ...
Juan Pablo Fuenzalida-Werner +5 more
doaj +2 more sources
Acoustic stimulation of the human round window by laser-induced nonlinear optoacoustics [PDF]
Scientific ReportsThe feasibility of low frequency pure tone generation in the inner ear by laser-induced nonlinear optoacoustic effect at the round window was demonstrated in three human cadaveric temporal bones (TB) using an integral pulse density modulation (IPDM ...
Liza Lengert +9 more
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All-optical nonlinear activation function based on stimulated Brillouin scattering [PDF]
NanophotonicsOptical neural networks have demonstrated their potential to overcome the computational bottleneck of modern digital electronics. However, their development towards high-performing computing alternatives is hindered by one of the optical neural networks’
Slinkov Grigorii +3 more
doaj +2 more sources