Characterizing thrombus with multiple red blood cell compositions by optical coherence tomography attenuation coefficient.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of biophotonics"
DOI: 10.1002/jbio.202000364
Abstract: Embolectomy is one of the emergency procedures performed to remove emboli. Assessing the composition of human blood clots is an important diagnostic factor and could provide guidance for an appropriate treatment strategy for interventional physicians.… read more here.
Keywords: optical coherence; attenuation coefficient; blood; coherence tomography ... See more keywords
Increase in linear attenuation coefficient by changing crystal structure of materials for radiation shielding and biomedical devices safety
Sign Up to like & getrecommendations! Published in 2021 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"
DOI: 10.1016/j.colsurfa.2021.126646
Abstract: Abstract Linear attenuation coefficient of materials plays an important role in shielding and protection from radiation. It has been observed that higher the density of a material, higher is its linear attenuation coefficient. Thus, to… read more here.
Keywords: increase; linear attenuation; structure; attenuation coefficient ... See more keywords
Gelatin/Poly (vinyl alcohol)/Inorganic filler composites for phantom breasts
Sign Up to like & getrecommendations! Published in 2021 at "Materials Chemistry and Physics"
DOI: 10.1016/j.matchemphys.2021.124333
Abstract: Abstract The effect of the various inorganic filler (Zn, ZnO, CuO, Co(NO3)2, Fe2O3) on the structural, electronic, atomic, and absorption properties to the performance of composite phantom breast with polyvinyl alcohol (PVA) as a binder… read more here.
Keywords: pva; filler; alcohol; inorganic filler ... See more keywords
Universal scaling of transverse wave attenuation in polycrystals
Sign Up to like & getrecommendations! Published in 2018 at "Ultrasonics"
DOI: 10.1016/j.ultras.2018.03.005
Abstract: HIGHLIGHTSTransverse wave attenuation in polycrystals with triclinic ellipsoidal grains.Single factor is solely encompasses dependence on the crystallite elastic moduli.Scaling with this elastic factor results in the universal (master) attenuation curve.Agreement between experiment for different materials… read more here.
Keywords: wave attenuation; attenuation coefficient; attenuation; transverse wave ... See more keywords
Comparison of ultrasonic attenuation within two- and three-dimensional polycrystalline media.
Sign Up to like & getrecommendations! Published in 2019 at "Ultrasonics"
DOI: 10.1016/j.ultras.2019.105980
Abstract: An analytical approach to develop explicit formulas of attenuation coefficient in both 2D and 3D cases is proposed. It results in a better understanding of the grain scattering mechanisms within a polycrystalline material and the… read more here.
Keywords: attenuation coefficient; grain; attenuation; comparison ... See more keywords
Bayesian regularization of multilayer perceptron neural network for estimation of mass attenuation coefficient of gamma radiation in comparison with different supervised model-free methods
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Instrumentation"
DOI: 10.1088/1748-0221/15/11/p11019
Abstract: Multilayer perceptron (MLP) neural networks have been used extensively for estimation/regression of parameters. Moreover, recent studies have shown that learning algorithms of MLP which are based on Gaussian function are more accurate. In this paper,… read more here.
Keywords: multilayer perceptron; attenuation coefficient; regularization; mass attenuation ... See more keywords
In Vivo Measurements of the Bulk Ultrasonic Attenuation Coefficient of Breast Tissue Using a Novel Phase-Insensitive Receiver
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control"
DOI: 10.1109/tuffc.2022.3198815
Abstract: This study describes the first in vivo acoustic attenuation measurements of breast tissue undertaken using a novel phase-insensitive detection technique employing a differential pyroelectric sensor. The operation of the sensor is thermal in nature, with… read more here.
Keywords: phase insensitive; attenuation; attenuation coefficient; breast tissue ... See more keywords
Regularized Ultrasound Phantom-Free Local Attenuation Coefficient Slope (ACS) Imaging in Homogeneous and Heterogeneous Tissues
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control"
DOI: 10.1109/tuffc.2022.3218920
Abstract: Attenuation maps or measurements based on the local attenuation coefficient slope (ACS) in quantitative ultrasound (QUS) have shown potential for the diagnosis of liver steatosis. In liver cancers, tissue abnormalities and tumors detected using ACS… read more here.
Keywords: attenuation; attenuation coefficient; phantom; coefficient slope ... See more keywords
Needle-based optical coherence tomography for the detection of prostate cancer: a visual and quantitative analysis in 20 patients
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Biomedical Optics"
DOI: 10.1117/1.jbo.23.8.086001
Abstract: Abstract. Diagnostic accuracy of needle-based optical coherence tomography (OCT) for prostate cancer detection by visual and quantitative analysis is defined. 106 three-dimensional (3-D)-OCT data sets were acquired in 20 prostates after radical prostatectomy and precisely… read more here.
Keywords: prostate; detection; analysis; quantitative analysis ... See more keywords
Correlation of optical attenuation coefficient estimated using optical coherence tomography with changes in astrocytes and neurons in a chronic photothrombosis stroke model.
Sign Up to like & getrecommendations! Published in 2019 at "Biomedical optics express"
DOI: 10.1364/boe.10.006258
Abstract: The optical attenuation coefficient (OAC) estimated using optical coherence tomography (OAC-OCT) offers a label-free 3D mapping of tissue infarction, but the physiological origin of the OAC contrast remains unclear. For effectively suppressing OAC fluctuations, we… read more here.
Keywords: optical attenuation; contrast; changes astrocytes; infarction ... See more keywords
Instrument for in situ synchronous measurement of the multi-angle volume scattering function and attenuation coefficient.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.477129
Abstract: An instrument named as Volume Scattering and Attenuation Meter (VSAM) is presented. The VSAM can simultaneously measure the attenuation coefficient and the volume scattering function (VSF) from 10° to 170° with an interval of 10°… read more here.
Keywords: scattering function; attenuation coefficient; volume scattering; volume ... See more keywords