Results 61 to 70 of about 29,383 (219)

Laser Doppler holographic microscopy in transmission: application to fish embryo imaging [PDF]

open access: yes, 2014
We have extended Laser Doppler holographic microscopy to transmission geometry. The technique is validated with living fish embryos imaged by a modified upright bio-microcope.
Alexandre, Daniel   +2 more
core   +3 more sources

Computational Modeling Meets 3D Bioprinting: Emerging Synergies in Cardiovascular Disease Modeling

open access: yesAdvanced Healthcare Materials, Volume 15, Issue 17, 8 May 2026.
Emerging advances in three‐dimensional bioprinting and computational modeling are reshaping cardiovascular (CV) research by enabling more realistic, patient‐specific tissue platforms. This review surveys cutting‐edge approaches that merge biomimetic CV constructs with computational simulations to overcome the limitations of traditional models, improve ...
Tanmay Mukherjee   +7 more
wiley   +1 more source

Radial Velocities as an Exoplanet Discovery Method

open access: yes, 2017
The precise radial velocity technique is a cornerstone of exoplanetary astronomy. Astronomers measure Doppler shifts in the star's spectral features, which track the line-of/sight gravitational accelerations of a star caused by the planets orbiting it ...
B Campbell   +17 more
core   +1 more source

[Doppler velocimetry].

open access: yesArchivio italiano di urologia, andrologia : organo ufficiale [di] Societa italiana di ecografia urologica e nefrologica, 1994
After a brief historical introduction, the Authors describe the methodology of the continuous wave basic and dynamic Doppler examination of the penile arteries as well as the main normal and pathologic patterns. Some special tensiometric tests are reported. Advantages and limits of the afore mentioned examinations are discussed.
S, Annoscia   +2 more
openaire   +1 more source

Prevention of stillbirths associated with umbilical cord abnormalities: A clinico‐pathological overview

open access: yesInternational Journal of Gynecology &Obstetrics, Volume 173, Issue 2, Page 635-653, May 2026.
Abstract Stillbirths affect millions of pregnancies every year worldwide, and obstruction of the umbilical cord blood flow is one of the main causes of fetal death. This review provides a clinico‐pathological overview of cord abnormalities potentially associated with antepartum stillbirth, describing the mechanism determining the death and addressing ...
Laura Avagliano   +3 more
wiley   +1 more source

Doppler velocimetry of spin propagation in a two-dimensional electron gas

open access: yes, 2012
Controlling the flow of electrons by manipulation of their spin is a key to the development of spin-based electronics. While recent demonstrations of electrical-gate control in spin-transistor configurations show great promise, operation at room ...
AA Burkov   +34 more
core   +1 more source

Particle dynamics and gas-phase hydrodynamics in a rotating cone reactor. [PDF]

open access: yes, 1994
The rotating cone reactor is a novel reactor type which can be used for rapid thermal solids processing. This paper focuses on particle dynamics and gas-phase hydrodynamics in a rotating cone reactor as a first stage to obtain a basic understanding of ...
Kuipers, J.A.M.   +2 more
core   +2 more sources

Impacts of Blade Camber on Cross‐Flow Turbine Performance and Loading

open access: yesWind Energy, Volume 29, Issue 5, May 2026.
ABSTRACT Cross‐flow turbines show promise for renewable energy generation from wind and tidal sources. The rotating reference frame of cross‐flow turbine blades results in virtual camber and incidence due to streamline curvature, altering the lift, drag, and pitching moment of the blades. Adding geometric camber is therefore likely to alter performance
Ari Athair   +3 more
wiley   +1 more source

Uterine artery Doppler flow velocimetry parameters for predicting gestational trophoblastic neoplasia after complete hydatidiform mole, a prospective cohort study

open access: yesClinics
OBJECTIVES: Doppler ultrasonography can be used to assess neoangiogenesis, a characteristic feature of postmolar gestational trophoblastic neoplasia. However, there is limited information on whether uterine artery Doppler flow velocimetry parameters can ...
Flavia Tarabini Castellani Asmar   +5 more
doaj   +1 more source

Estimation of Normative Values of Maternal Artery Doppler Velocimetry in Second Trimester in Indian Population: A Cross-sectional Study [PDF]

open access: yesInternational Journal of Anatomy Radiology and Surgery
Introduction: Ophthalmic artery is the first branch of the internal carotid artery and provides an indirect approach to flow pattern and velocimetry information to less approachable intracranial circulation.
Narleen Kaur   +2 more
doaj   +1 more source

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