Results 21 to 30 of about 21,910 (284)

The potential role of 3D-printed phantoms in quality control of artificial intelligence-based algorithms in medical imaging

open access: yesCurrent Directions in Biomedical Engineering, 2023
To ensure accurate and consistent imaging of patients, medical imaging systems are controlled and tested using phantoms. Despite the availability of commercial standard phantoms for decades, 3D printing technology has gained special attention as a tool ...
Pashazadeh Ali, Hoeschen Christoph
doaj   +1 more source

An interferometric technique for B/A measurement [PDF]

open access: yes, 1995
An isentropic phase method is described for measuringin vitro the acoustic nonlinearity parameterB/A of several aqueous buffers, protein solutions, lipid oils, and emulsions.
Apfel, R. E., Everbach, E. Carr
core   +2 more sources

Effects Of Attenuation And Thrombus Age On The Success Of Ultrasound And Microbubble-Mediated Thrombus Dissolution [PDF]

open access: yes, 2011
The purpose of this study was to examine the effects of applied mechanical index, incident angle, attenuation and thrombus age on the ability of 2-D vs. 3-D diagnostic ultrasound and microbubbles to dissolve thrombi.
Drvol, L. K.   +8 more
core   +3 more sources

Fighting against fast speckle decorrelation for light focusing inside live tissue by photon frequency shifting [PDF]

open access: yes, 2020
Light focusing inside live tissue by digital optical phase conjugation (DOPC) has drawn increasing interest due to its potential biomedical applications in optogenetics, microsurgery, phototherapy, and deep-tissue imaging.
Cheng, Zhongtao   +5 more
core   +1 more source

Acousto-optical coherence tomography with a digital holographic detection scheme [PDF]

open access: yes, 2012
Acousto-optical coherence tomography (AOCT) consists in using random phase jumps on ultrasound and light to achieve a millimeter resolution when imaging thick scattering media. We combined this technique with heterodyne off-axis digital holography.
Benoit, Emilie   +4 more
core   +5 more sources

Imaging properties of 3D printed breast phantoms for lesion localization and Core needle biopsy training

open access: yes3D Printing in Medicine, 2020
Background Breast cancer is the most commonly diagnosed malignancy in females and frequently requires core needle biopsy (CNB) to guide management. Adequate training resources for CNB suffer tremendous limitations in reusability, accurate simulation of ...
Arafat Ali   +4 more
doaj   +1 more source

Investigation of silk as a phantom material for ultrasound and photoacoustic imaging

open access: yesPhotoacoustics, 2022
Comprehensive characterization of biomedical imaging systems require phantoms that are easy to fabricate and can mimic human tissue. Additionally, with the arrival of engineered tissues, it is key to develop phantoms that can mimic bioengineered samples.
Christopher D. Nguyen   +6 more
doaj   +1 more source

Agarose Gel Characterization for the Fabrication of Brain Tissue Phantoms for Infrared Multispectral Vision Systems

open access: yesGels, 2023
Synthetic phantoms that recreate the characteristics of biological tissues are valuable tools for systematically studying and comprehending physiologies, pathologies, and biological processes related to tissues. The reproduction of mechanical and optical
Efraín Albor-Ramírez   +4 more
doaj   +1 more source

Investigation of PolyVinyl Chloride Plastisol Tissue-Mimicking Phantoms for MR- and Ultrasound-Elastography

open access: yesFrontiers in Physics, 2020
Objective: Realistic tissue-mimicking phantoms are essential for the development, the investigation and the calibration of medical imaging techniques and protocols.
Simon Chatelin   +8 more
doaj   +1 more source

High-Resolution Ultrasound-Switchable Fluorescence Imaging in Centimeter-Deep Tissue Phantoms with High Signal-To-Noise Ratio and High Sensitivity via Novel Contrast Agents. [PDF]

open access: yesPLoS ONE, 2016
For many years, investigators have sought after high-resolution fluorescence imaging in centimeter-deep tissue because many interesting in vivo phenomena-such as the presence of immune system cells, tumor angiogenesis, and metastasis-may be located deep ...
Bingbing Cheng   +7 more
doaj   +1 more source

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