Results 41 to 50 of about 4,310 (200)

Frequency wavelength multiplexed optoacoustic tomography

open access: yesNature Communications, 2022
Optoacoustic imaging is mostly performed in the time domain. Here the authors demonstrate frequency wavelength multiplexed optoacoustic tomography that can operate at multiple wavelengths simultaneously and offers signal-to-noise ratio advantages over ...
Antonios Stylogiannis   +5 more
doaj   +1 more source

Multispectral optoacoustic tomography might be a helpful tool for noninvasive early diagnosis of psoriatic arthritis

open access: yesPhotoacoustics, 2021
Currently used imaging methods for diagnosis of psoriatic arthritis (PsA) frequently come along with exposure to radiation and can often only show long-term effects of the disease.
Sandra Hallasch   +4 more
doaj   +1 more source

Optoacoustic imaging of an animal model of prostate cancer [PDF]

open access: yes, 2010
Prostate cancer is currently the most common cancer among Canadian men. Due to an increase in public awareness and screening, prostate cancer is being detected at earlier stages and in much younger men.
Whelan, William M.   +9 more
core   +1 more source

Clutter elimination for deep clinical optoacoustic imaging using localised vibration tagging (LOVIT) [PDF]

open access: yes, 2013
This paper investigates a novel method which allows clutter elimination in deep optoacoustic imaging. Clutter significantly limits imaging depth in clinical optoacoustic imaging, when irradiation optics and ultrasound detector are integrated in a ...
Jaeger, Michael   +2 more
core   +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

Imaging of blood flow and oxygen state with a multi-segment optoacoustic ultrasound array

open access: yesPhotoacoustics, 2018
Changes in hemodynamic parameters are directly linked to biological function and physiological activity. Characterization of hemodynamics is commonly performed by Doppler ultrasound, which provides accurate measurements of blood flow velocity.
Elena Merčep   +2 more
doaj   +1 more source

In vitro optoacoustic flow cytometry with light scattering referencing

open access: yesScientific Reports, 2021
Morphological and functional optoacoustic imaging is enhanced by dedicated transgene reporters, in analogy to fluorescence methods. The development of optoacoustic reporters using protein engineering and directed evolution would be accelerated by high ...
Markus Seeger   +2 more
doaj   +1 more source

High-precision neural stimulation by a highly efficient candle soot fiber optoacoustic emitter

open access: yesFrontiers in Neuroscience, 2022
Highly precise neuromodulation with a high efficacy poses great importance in neuroscience. Here we developed a candle soot fiber optoacoustic emitter (CSFOE), capable of generating a high pressure of over 10 MPa with a central frequency of 12.8 MHz ...
Guo Chen   +15 more
doaj   +1 more source

High-Resolution Multispectral Optoacoustic Tomography of the Vascularization and Constitutive Hypoxemia of Cancerous Tumors

open access: yesNeoplasia: An International Journal for Oncology Research, 2016
Diversity of the design and alignment of illumination and ultrasonic transducers empower the fine scalability and versatility of optoacoustic imaging.
Andrei Chekkoury   +8 more
doaj   +1 more source

Capsule optoacoustic endoscopy for esophageal imaging [PDF]

open access: yesJournal of Biophotonics, 2019
AbstractDetection and monitoring of esophageal cancer severity require an imaging technique sensitive enough to detect early pathological changes in the esophagus and capable of analyzing the esophagus over 360 °in a non‐invasive manner. Optoacoustic endoscopy (COE) has been shown to resolve superficial vascular structure of the esophageal lumen in ...
He, Hailong   +7 more
openaire   +4 more sources

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