Results 51 to 60 of about 690,260 (346)
Student's Journal of Health Research Africa, 2023 Aim: The purpose of this study is to evaluate the efficacy of ultrasonography and Doppler in differentiating between benign and malignant cervical lymphadenopathy, and to correlate the results with those of other diagnostic procedures, such as fine ...
Ashis Kumar Satapathy +3 more
doaj +1 more source
What is Doppler ultrasound? [PDF]
, 2011 The term Doppler should be capitalized because it refers to Christian Johann Doppler, an Austrian physicist (1803–1853). He described a phenomenon whereby the frequency of sound changes when it is reflected off a moving object.
Vassallo, Pierre
core
Single camera 3D planar Doppler velocity measurements, using two frequency planar Doppler velocimetry (2v-PDV) and imaging fibre bundles [PDF]
, 2006 A modified Planar Doppler Velocimetry (PDV) technique, two frequency PDV (2v-PDV), is described that allows measurements of the velocity field over a plane defined by a laser light sheet using sequential illumination of the flow with two closely ...
Charrett, Thomas O. H. +2 more
core +1 more source
Defect Analysis of the β– to γ–Ga2O3 Phase Transition
Advanced Functional Materials, EarlyView.The role of defects at all the relevant stages of the β$\beta$‐ to γ$\gamma$‐Ga2O3 polymorph transition is investigated using a multi method approach. The positron annihilation spectroscopy based results show that the defect density decreases after the transition, and that changes in defect configuration within the γ phase occur with increasing ...
Umutcan Bektas +9 more
wiley +1 more source
Carotid artery disease screening : assessment of criteria [PDF]
, 1996 The Department of Radiology at St. Luke’s Hospital has provided a screening service for stroke related disease since April 1991. This consisted of Duplex Ultrasound screening (DUS) for Extracranial Carotid Artery Disease (ECAD) followed by angiography or
Galea Debono, Anthony +2 more
core
Advanced Functional Materials, EarlyView.The cGAS‐STING pathway boosts HCC antitumor immunity but lacks specific activation. Nanoplatform ZMRPF induces HCC ferroptosis via lipid ROS, releasing mtDNA. It synergizes with ZMRPF‐released Mn2⁺ to activate cGAS‐STING, amplifies antigen‐presenting cell activity, reverses HCC immunosuppression, and enables robust systemic antitumor immunity ...
Yuchen Zhang +13 more
wiley +1 more source
Absolute Dimensions and Apsidal Motion of the Young Detached System LT Canis Majoris [PDF]
, 2010 New high resolution spectra of the short period (P~1.76 days) young detached binary LT CMa are reported for the first time. By combining the results from the analysis of new radial velocity curves and published light curves, we determine values for the ...
Bakis, H. +5 more
core +2 more sources
Advances in Bioprinting to Model Immune‐Mediated Skin Diseases
Advanced Healthcare Materials, EarlyView.This review explores how 3D bioprinting drives innovation in developing in vitro skin models that mimic immune‐mediated diseases. It highlights current technologies, key applications in studying skin pathologies, and emerging challenges. The review points toward future opportunities for improving disease modeling and advancing therapeutic and cosmetic ...
Andrea Ulloa‐Fernández +4 more
wiley +1 more source
Hepatic Venous Waveform, Splenoportal and Damping Index in Liver Cirrhosis: Correlation with Child Pugh’s Score and Oesophageal Varices [PDF]
Journal of Clinical and Diagnostic Research, 2016 Introduction: Clinical assessment of chronic liver disease is done by Modified Child Pugh’s and Model for end-stage liver disease scoring system. Measurement of hepatic venous pressure gradient (HVPG) and Upper GI Endoscopy are considered the gold ...
Neha Antil +5 more
doaj +1 more source
Explosive events on sub-arcsecond scale in IRIS observations: a case study
, 2014 We present study of a typical explosive event (EE) at sub-arcsecond scale witnessed by strong non-Gaussian profiles with blue- and red-shifted emission of up to 150 km/s seen in the transition-region Si IV 1402.8 \AA, and the chromospheric Mg II k 2796.4
Doyle, J. G. +5 more
core +1 more source