Results 71 to 80 of about 4,391 (219)

Heat Transfer Characteristics of a Focused Surface Acoustic Wave (F-SAW) Device for Interfacial Droplet Jetting

open access: yesInventions, 2018
In this study, we investigate the interfacial droplet jetting characteristics and thermal stability of a focused surface acoustic wave device (F-SAW).
Donghwi Lee   +3 more
doaj   +1 more source

Arrangement of Live Human Cells through Acoustic Waves Generated by Piezoelectric Actuators for Tissue Engineering Applications

open access: yesApplied Sciences, 2020
In this paper, the possibility to steer and confine live human cells by means of acoustic waves, such as flexural plate waves (FPWs), generated by piezoelectric actuators applied to non-piezoelectric substrates, has been explored.
Marialaura Serzanti   +8 more
doaj   +1 more source

Microfabricated Neural Biosensors for Detection of Neurotransmitters, Biomarkers, and Small Molecules: Emerging Trends on Self‐Sustained Systems and Energy Harvesting

open access: yesAdvanced Sensor Research, Volume 5, Issue 1, January 2026.
This paper reviews the state of the art and recent developments in thin‐film biosensors for the detection of neurotransmitters, small molecules, and biomarkers within flexible, implantable bioelectronic systems. It covers the main sensing modalities, including electrochemical, plasmonic, acoustic, and magnetic, alongside their materials, transduction ...
Massimo Mariello
wiley   +1 more source

Experimental investigation towards a periodically pumped single-photon source [PDF]

open access: yes, 2006
Experiments towards a periodically pumped single-photon source are presented. The lateral piezoelectric field of a surface acoustic wave dissociates laser-generated two-dimensional excitons into electrons and holes.
Bödefeld, C.   +5 more
core   +1 more source

Evaluation of arterial digital blood flow using Doppler ultrasonography in healthy dairy cows

open access: yesBMC Veterinary Research, 2017
Background Local circulatory disturbances have been implicated in the development of foot disorders in cattle. The goals of this study were to evaluate the suitability of the interdigital artery in the pastern region in both hind limbs using pulsed-wave (
H. Müller   +5 more
doaj   +1 more source

Design and Characterization of an Integrally‐Soft Piezoresistive Sensor Combining an Elastomeric Nanocomposite and a Liquid Metal

open access: yesAdvanced Sensor Research, Volume 5, Issue 1, January 2026.
We describe the design and characterization of a pressure sensor with soft core and electrodes. We first show the electro‐mechanical properties of the piezoresistive nanocomposite (poly(dimethylsiloxane)+carbon nanotubes, PDMS + CNTs). We then discuss the architecture, fabrication and electrical response of the sensor.
Fabio Lazzari   +5 more
wiley   +1 more source

Piezoelectric‐Metal Phononic Crystal Enabling GHz Tunable Ultrahigh Q Quasi‐BIC Mode

open access: yesAdvanced Science, Volume 13, Issue 6, 30 January 2026.
This study introduces a piezoelectric–metal phononic crystal design based on suspended LiNbO3 thin film that realizes quasi‐BIC resonance. The device achieves GHz operation with an ultrahigh quality factor (≈6.5 × 104) and efficient electrical tunability at low voltage.
Xuankai Xu   +6 more
wiley   +1 more source

PASSIV WIRELESS CURENT SENSOR FOR THREE-PHASE CIRCUTS

open access: yesВестник Северо-Кавказского федерального университета, 2022
Studies on passive wireless current sensors for three-phase circuits based on delay lines on surface acoustic waves are presented. The design of a passive wireless sensor on surface acoustic waves is proposed, in which there is a strong dependence of the
V. Kislitsyn   +4 more
doaj  

Broadband surface acoustic wave attenuation in metals using chirp compression and dispersive interdigital transducers [PDF]

open access: yesJASA Express Letters
This study presents a non-destructive method for estimating surface acoustic wave attenuation, which is highly sensitive to microstructural features, especially at high frequencies.
Dame Fall   +4 more
doaj   +1 more source

Ultra‐Sensitive and Linear Flexible Pressure Sensors with Tri‐Scale Graded Microstructures for Advanced Health Monitoring and Robotic Perception

open access: yesAdvanced Science, Volume 13, Issue 1, 5 January 2026.
A flexible piezoresistive sensor with a 3D tri‐scale graded microstructure is proposed, overcoming the trade‐off between sensitivity and linearity. The device achieves ultra‐high sensitivity (138.6 kPa−1), a broad linear range (400 kPa, R2 = 0.99), and exceptional stability (24 000 repeated loading cycles), enabling precise detection of physiological ...
Rui Chen   +6 more
wiley   +1 more source

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