Results 31 to 40 of about 13,784 (246)

Sonophore labeled RGD: a targeted contrast agent for optoacoustic imaging

open access: yesPhotoacoustics, 2017
Optoacoustic imaging is a rapidly expanding field for the diagnosis, characterization, and treatment evaluation of cancer. However, the availability of tumor specific exogenous contrast agents is still limited.
Katja Haedicke   +5 more
doaj   +1 more source

Real-time delay-multiply-and-sum beamforming with coherence factor for in vivo clinical photoacoustic imaging of humans [PDF]

open access: yes, 2019
In the clinical photoacoustic (PA) imaging, ultrasound (US) array transducers are typically used to provide B-mode images in real-time. To form a B-mode image, delay-and-sum (DAS) beamforming algorithm is the most commonly used algorithm because of its ...
Choi, Wonseok   +5 more
core   +1 more source

Croconaine-based nanoparticles enable efficient optoacoustic imaging of murine brain tumors

open access: yesPhotoacoustics, 2021
Contrast enhancement in optoacoustic (photoacoustic) imaging can be achieved with agents that exhibit high absorption cross-sections, high photostability, low quantum yield, low toxicity, and preferential bio-distribution and clearance profiles. Based on
Nian Liu   +17 more
doaj   +1 more source

Absorption spectra of nanodiamond aqueous dispersions by optical absorption and optoacoustic spectroscopies

open access: yesPhotoacoustics, 2018
The multispectral modality and technique for optically dense samples of optoacoustic spectroscopy were applied to measure spectra and high absorbances of concentrated aqueous dispersions of undoped nanodiamonds.
L.O. Usoltseva   +5 more
doaj   +1 more source

Spotlight on Nerves: Portable Multispectral Optoacoustic Imaging of Peripheral Nerve Vascularization and Morphology

open access: yesAdvanced Science, 2023
Various morphological and functional parameters of peripheral nerves and their vascular supply are indicative of pathological changes due to injury or disease.
Dominik Jüstel   +7 more
doaj   +1 more source

Micromechanical approach for the analysis of wave propagation in particulate composites [PDF]

open access: yes, 2019
Laser ultrasonic non-destructive testing is widely used for the inspection of mechanical structures. This method uses the propagation of ultrasonic guided waves (UGW) in the media.
Dinzart, Florence   +2 more
core   +5 more sources

Real-time optoacoustic temperature determination on cell cultures during heat exposure: a feasibility study

open access: yesInternational Journal of Hyperthermia, 2019
Objective/Purpose: In order to study the effects of hyperthermia and other temperature-related effects on cells and tissues, determining the precise time/temperature course is crucial.
Yoko Miura   +6 more
doaj   +1 more source

Small Molecule Optoacoustic Contrast Agents: An Unexplored Avenue for Enhancing In Vivo Imaging

open access: yesMolecules, 2018
Almost every variety of medical imaging technique relies heavily on exogenous contrast agents to generate high-resolution images of biological structures.
Matt D. Laramie   +4 more
doaj   +1 more source

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