نتایج جستجو برای: quantitative ultrasound
تعداد نتایج: 420750 فیلتر نتایج به سال:
High-frequency ultrasound (~20 MHz) techniques were investigated using in vitro and ex vivo models to determine whether alterations in chromatin structure are responsible for ultrasound backscatter changes in biological samples. Acute myeloid leukemia (AML) cells and their isolated nuclei were exposed to various chromatin altering treatments. These included 10 different ionic environments, DNA ...
The aim of this study was to observe the effects of Endostar (recombinant human endostatin) and radiotherapy, singly or in combination, on blood flow in mouse tumour tissue using ultrasound imaging. The ultrasound contrast agent, SonoVue, was used for the contrast-enhanced ultrasound examinations. SonoLiver software was used to analyse dynamic vascular patterns (DVPs) in the contrast process. B...
Quantitative angiography has been used to validate the accuracy of the measurement obtained with the early intravascular ultrasound cathet e r ~ . ' ~ In more recent reports'-'* it was suggested that intravascular ultrasound can be superior to quantitative angiography in the assessment of complex lesions (eccentric stenoses, asymmetric lesions, vascular dissections). In this article, advantages...
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