Backscatter properties of two-layer phantoms using a high-frequency ultrasound annular array [0.03%]
利用高频超声环阵探测双层体模背向散射性质
Wakana Saito,Masaaki Omura,Jeffrey A Ketterling et al.
Wakana Saito et al.
In a previous study, an annular-array transducer was employed to characterize homogeneous scattering phantoms and excised rat livers using backscatter envelope statistics and frequency domain analysis. A sound field correction method was al...
Relationship between transmission/reception conditions of high-frequency plane wave compounding and evaluation accuracy of extended amplitude envelope statistics [0.03%]
高频平面波复合的传输/接收条件与扩展幅度包络统计评价精度的关系研究
Taisei Higa,Jeffrey A Ketterling,Jonathan Mamou et al.
Taisei Higa et al.
The double-Nakagami (DN) model provides a method for analyzing the amplitude envelope statistics of quantitative ultrasound (QUS). In this study, the relationship between the sound field characteristics and the robustness of QUS evaluation ...
Improved evaluation of backscatter characteristics of soft tissue using high-frequency annular array [0.03%]
使用高频环阵天线改善软组织后向散射特性的评估方法改进研究
Takeru Mizoguchi,Kenji Yoshida,Jonathan Mamou et al.
Takeru Mizoguchi et al.
Clinical ultrasound is widely used for quantitative diagnosis. To clarify the relationship between anatomical and acoustic properties, high resolution imaging using high-frequency ultrasound (HFU) is required. However, when tissue propertie...
Comprehensive backscattering characteristics analysis for quantitative ultrasound with an annular array: a basic study on homogeneous scattering phantom [0.03%]
均匀散射体模的定量超声全面背向散射特性分析：环阵的基础研究
Takeru Mizoguchi,Kazuki Tamura,Jonathan Mamou et al.
Takeru Mizoguchi et al.
High-frequency ultrasound (HFU, >20 MHz) and quantitative ultrasound (QUS) methods permit a means to understand the relationship between anatomical and acoustic characteristics. In our previous research, we showed that analyzing the acousti...
The role of Si in GaN/AlN/Si(111) plasma assisted molecular beam epitaxy: polarity and inversion [0.03%]
Si在GaN/AlN/Si(111)等离子体辅助分子束外延中的作用：极性和反转作用
Alexana Roshko,Matthew Brubaker,Paul Blanchard et al.
Alexana Roshko et al.
The microstructure, polarity and Si distribution in AlN/GaN layers grown by plasma assisted molecular beam epitaxy (PAMBE) on Si(111) was assessed by scanning transmission electron microscopy (STEM). Samples grown under both metal- and nitr...
Fluid flow measurement for diagnosis of ventricular shunt malfunction using nonlinear responses of microbubbles in the contrast-enhanced ultrasound imaging [0.03%]
利用对比增强超声影像中微气泡的非线性响应诊断心室引流管故障的流体测量方法
Suhyun Park,Heechul Yoon,Stanislav Emelianov et al.
Suhyun Park et al.
Contrast-enhanced ultrasound imaging utilizing the nonlinear responses of microbubbles is proposed for identifying ventricular shunt malfunction. The developed method suppresses the signal from walls of a shunt catheter and background tissu...
Modeling the envelope statistics of three-dimensional high-frequency ultrasound echo signals from dissected human lymph nodes [0.03%]
离体人淋巴结高频超声回波信号包络统计模型研究
Thanh Minh Bui,Alain Coron,Jonathan Mamou et al.
Thanh Minh Bui et al.
This work investigates the statistics of the envelope of three-dimensional (3D) high-frequency ultrasound (HFU) data acquired from dissected human lymph nodes (LNs). Nine distributions were employed, and their parameters were estimated usin...
A Zomorrodian,N J Wu,Y Song et al.
A Zomorrodian et al.
The anomalous photovoltaic effect (APE) in ferroelectric thin films has been utilized for the development of an optical micro-detector active in the visible range (from 350 to 800 nm). La-doped Pb(Zr,Ti)O(3) (PLZT) ferroelectric films epita...
Investigation of SNARE-Mediated Membrane Fusion Mechanism Using Atomic Force Microscopy [0.03%]
利用原子力显微镜研究SNARE介导的膜融合机制
Midhat H Abdulreda,Vincent T Moy
Midhat H Abdulreda
Membrane fusion is driven by specialized proteins that reduce the free energy penalty for the fusion process. In neurons and secretory cells, soluble N-ethylmaleimide-sensitive factor-attachment protein (SNAP) receptors (SNAREs) mediate ves...