Results 1 to 10 of about 13,784 (246)

Localization optoacoustic tomography

open access: yesLight: Science and Applications, 2018
AbstractLocalization-based imaging has revolutionized fluorescence optical microscopy and has also enabled unprecedented ultrasound images of microvascular structures in deep tissues. Herein, we introduce a new concept of localization optoacoustic tomography (LOT) that employs rapid sequential acquisition of three-dimensional optoacoustic images from ...
Daniel Razansky
exaly   +5 more sources

Polymer-based ultrawideband transducers for high resolution hemispherical optoacoustic tomography [PDF]

open access: yesLight: Science & Applications
Available transducers do not fulfill all of the necessary design criteria for high-performance hemispherical optoacoustic tomography, namely: an ultrawide bandwidth in order to acquire the full range of optoacoustic emissions from targets of interest ...
Amanda P. Siegel   +2 more
doaj   +2 more sources

Low frequency detection in clinical multispectral optoacoustic tomography [PDF]

open access: yesPhotoacoustics
Frequency 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   +2 more sources

Hand-held optoacoustic imaging: A review

open access: yesPhotoacoustics, 2018
Optoacoustic imaging is a medical imaging modality that uses optical excitation and acoustic detection to generate images of tissue structures based up optical absorption within a tissue sample.
Heather K Hunt
exaly   +3 more sources

Optoacoustic Monitoring of Physiologic Variables [PDF]

open access: yesFrontiers in Physiology, 2017
Optoacoustic (photoacoustic) technique is a novel diagnostic platform that can be used for noninvasive measurements of physiologic variables, functional imaging, and hemodynamic monitoring.
Rinat O. Esenaliev
doaj   +3 more sources

Nonlinearity of optoacoustic signals and a new contrast mechanism for imaging [PDF]

open access: yesLight: Science & Applications
Optoacoustic signals behave nonlinearly at light fluences above a few mJ/cm2, which may affect the interpretation and quantification of measurements.
Jaber Malekzadeh-Najafabadi   +5 more
doaj   +2 more sources

Multimodal Contrast Agents for Optoacoustic Brain Imaging in Small Animals

open access: yesFrontiers in Bioengineering and Biotechnology, 2021
Optoacoustic (photoacoustic) imaging has demonstrated versatile applications in biomedical research, visualizing the disease pathophysiology and monitoring the treatment effect in an animal model, as well as toward applications in the clinical setting ...
Xue-feng Shi   +5 more
doaj   +1 more source

Sequential ultrasound molecular imaging for noninvasive identification and assessment of non-alcoholic steatohepatitis in mouse models

open access: yesLiver Research, 2023
Background and objective: Noninvasive non-alcoholic steatohepatitis (NASH) assessment is a clinical challenge to the management of non-alcoholic fatty liver disease.
Tingting Sha   +9 more
doaj   +1 more source

Contrast-enhanced ultrasound improves the potency of fine-needle aspiration in thyroid nodules with high inadequate risk

open access: yesBMC Medical Imaging, 2022
Background This study aims to determine the clinical value of contrast enhanced ultrasound (CEUS) for fine-needle aspiration (FNA) of high inadequate risky thyroid nodules.
Tinghui Yin   +8 more
doaj   +1 more source

Contrast-enhanced ultrasound of intrahepatic portal vein gas: Case report and review of literature

open access: yesRadiology Case Reports, 2021
Portal vein gas is a rare imaging finding and a concomitant sign of abdominal disease. Here, we report a 64-year-old man with an emphasis on contrast-enhanced ultrasound for describing the findings for portal vein gas and evaluating liver blood perfusion.
Tingting Sha, Tinghui Yin, Rongqin Zheng
doaj   +1 more source

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