Results 131 to 140 of about 3,165 (178)
Optoacoustic imaging of the brain in a cachexia-inducing pancreatic cancer xenograft. [PDF]
Front OncolYousf S +6 more
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Multispectral optoacoustic tomography of salivary glands in patients with clinically suspected Sjögren's disease: A pilot study. [PDF]
Photoacousticsde Jong R +10 more
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Optoacoustic mesoscopy for biomedicine
Nature Biomedical Engineering, 2019Fuelled by innovation, optical microscopy plays a critical role in the life sciences and medicine, from basic discovery to clinical diagnostics. However, optical microscopy is limited by typical penetration depths of a few hundred micrometres for in vivo interrogations in the visible spectrum.
Murad Omar +2 more
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Optoacoustic pulses in a flame
Optics Letters, 1977Pulsed pressure waves are produced by energy transfer from electronically excited Na or Li atoms seeded in an acetylene-air flame; the excitation is provided by a resonantly tuned, pulsed laser. Temperature increases of approximately 1 degree within the flame produce signals easily detected by a microphone. A description of the phenomenon is given, and
J E, Allen, W R, Anderson, D R, Crosley
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Focusing with an optoacoustic transducer
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 1988A prototype of an ultrasonic transducer has been developed that uses an optical input to control the ultrasonic output. This transducer is called an optoacoustic transducer (OAT) and provides an ultrasonic pattern that is spatially similar to the optical pattern used to illuminate it. When a focus-inducing optical pattern, such as a zone plate, is used,
D P, Shattuck, J, Nouhi
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2016
The optical imaging techniques available for clinical skin imaging are fundamentally limited in their depth scope to a few hundred microns and face difficulties in their functional and molecular imaging capabilities. Furthermore, histopathological analysis is still the only method of choice to accurately diagnose several skin diseases.
Schwarz, M. +3 more
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The optical imaging techniques available for clinical skin imaging are fundamentally limited in their depth scope to a few hundred microns and face difficulties in their functional and molecular imaging capabilities. Furthermore, histopathological analysis is still the only method of choice to accurately diagnose several skin diseases.
Schwarz, M. +3 more
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Optoacoustic imaging and potential applications of raster-scan optoacoustic mesoscopy in dermatology
Clinics in Dermatology, 2022Optoacoustic imaging (OAI) is a hybrid imaging modality that integrates the benefits of optical contrast and ultrasound detection. Raster-scan optoacoustic mesoscopy (RSOM) is an emerging OAI method that provides information about several dermatological conditions' structural, functional, and molecular features.
Tassahil, Messas +2 more
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Journal of Applied Physics, 1980
By laser beam scanning the optoacoustic signal as a function of the sample coordinates is obtained. Examples for surface and subsurface imaging and for image contrasting are presented.
G. Busse, A. Ograbeck
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By laser beam scanning the optoacoustic signal as a function of the sample coordinates is obtained. Examples for surface and subsurface imaging and for image contrasting are presented.
G. Busse, A. Ograbeck
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2014
Optoacoustic imaging is emerging as a powerful modality for in vivo imaging of small animals and humans that can simultaneously provide anatomical, functional, and molecular contrast, overcoming a variety of long-standing limitations imposed by light scattering in deep tissues.
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Optoacoustic imaging is emerging as a powerful modality for in vivo imaging of small animals and humans that can simultaneously provide anatomical, functional, and molecular contrast, overcoming a variety of long-standing limitations imposed by light scattering in deep tissues.
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Optoacoustic monitoring of bilirubin photodegradation
Journal of Biophotonics, 2023AbstractHematomas resulted from trauma are very common, and the efficacy of existing treatment techniques is limited. Phototherapy can be used to expedite healing and improve the appearance of the damaged tissue. Efficient phototherapy requires determination of chromophore composition in hematoma, which can be provided by the optoacoustic (OA ...
Sergei Perkov +6 more
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