Results 81 to 90 of about 1,412,725 (216)

Enhancing Ultrasound Power Transfer: Efficiency, Acoustics, and Future Directions

Advanced Materials, Volume 37, Issue 23, June 12, 2025.
Implantable devices significantly enhance healthcare but are limited by battery life. Ultrasound power transfer technology offers a promising solution for sustainable operation. This review addresses gaps in current research, particularly in sound field analysis and energy efficiency optimization.
Yi Zheng, Zhuomin Zhang, Yanhu Zhang, Qiqi Pan, Xiaodong Yan, Xuemu Li, Zhengbao Yang   +6 more
wiley   +1 more source

Highly Sensitive Phased Array Probes based on Capacitive Micromachined Ultrasonic Transducers

e-Journal of Nondestructive Testing
Capacitive Micromachined Ultrasonic Transducers (CMUTs) offer a wide freedom of design for ultrasonic phased arrays. They are characterized, in comparison to piezoelectric transducers, by a higher sensitivity in receiving and a wider bandwidth based on ...
Uwe Voelz, Marco Kircher, Sandro G. KOCH, Marcel Krenkel   +3 more
doaj   +1 more source

The Role of Silicon Technology in Organ‐On‐Chip: Current Status and Future Perspective

Advanced Materials Technologies, Volume 10, Issue 9, May 6, 2025.
This review explores the potential of silicon micro‐nanofabrication technologies in advancing organ‐on‐chip systems. The integration of actuation and sensing modalities, highlight emerging technologies is discussed for combining silicon‐based and polymer‐based components, and emphasize the need for robust, high‐throughput, and customizable organ‐on ...
Frøydis Sved Skottvoll, Enrique Escobedo‐Cousin, Michal Marek Mielnik   +2 more
wiley   +1 more source

Lumped element modeling of CMUT arrays in collapsed mode [PDF]

, 2014
Date of Conference: 3-6 Sept. 2014Conference name: 2014 IEEE International Ultrasonics SymposiumThis study focuses on modeling collapsed modeoperation of CMUT arrays, and obtaining a small signal lumped element model for collapsed mode operation.
Elif Aydogdu, Köymen, Hayrettin, Hayrettin Koymen, Özgürlük, A., Abdullah Atalar, Aydoğdu, Elif, Atalar, Abdullah, Alper Ozgurluk   +7 more
core   +1 more source

Wearable Ultrasound Devices for Biomedical Applications

FlexTech, Volume 1, Issue 1, Page 35-43, March 2025.
ABSTRACT Wearable devices possess excellent flexibility and can conform to irregular surfaces, extensively changing human healthcare fields. Ultrasonic technology, with its extensive penetration depth, nondestructive nature, and versatile functionalities, has been widely applied in the diagnosis and treatment of various diseases.
Muyao Wang, Lu Jia, Haicheng Li, Xue Feng   +3 more
wiley   +1 more source

Detection of Foodborne Pathogens Through Volatile Organic Compounds Sensing via Metal Oxide Gas Sensors

Advanced Sensor Research, Volume 4, Issue 1, January 2025.
Detection of foodborne pathogens using Metal Oxide Gas Sensors relies on capturing Volatile Organic Compounds (VOCs) emitted by pathogens at their lower concentrations. Metal oxide based sensors can detect unique VOC signatures with high sensitivity, selectivity and low LOD, enabling rapid and precise identification of harmful microorganisms in food ...
Shiv Dutta Lawaniya, Anjali Awasthi, Prashanth W. Menezes, Kamlendra Awasthi   +3 more
wiley   +1 more source

Optimizing CMUT geometry for high power [PDF]

, 2010
Capacitive micromachined ultrasonic transducers (CMUTs) have demonstrated various advantages over piezoelectric transducers. However, current CMUT designs produce low output pressures with high harmonic distortions.
Köymen, Hayrettin, Yamaner, Yalçın Feysel, Bozkurt, Ayhan, Bozkurt, A., Atalar, Abdullah, Yamaner F.Y., Olçum, Selim   +6 more
core   +1 more source

Triggerable Patches for Medical Applications

Advanced Materials, Volume 36, Issue 35, August 28, 2024.
Externally triggerable patches are attractive and versatile tools enabling several medical applications. In this review, their main working mechanisms are discussed, highlighting the role of the triggering stimuli in the control of therapeutic action. The broad potential of these devices is explored, while also reviewing the current open challenges in ...
Sofia Sirolli, Daniele Guarnera, Leonardo Ricotti, Andrea Cafarelli   +3 more
wiley   +1 more source

High‐frequency photoacoustic and ultrasound imaging for skin evaluation: Pilot study for the assessment of a chemical burn

Journal of Biophotonics, Volume 17, Issue 7, July 2024.
A multispectral high‐frequency, linear array‐based photoacoustic/ultrasound (PAUS) probe is developed and implemented for the imaging of rat skin in vivo. This study seeks to demonstrate the probe capabilities for visualizing the skin and its underlying structures, and for monitoring changes in skin structure and composition during a 5‐day course of a ...
Juliana Benavides‐Lara, Amanda P. Siegel, Maria M. Tsoukas, Kamran Avanaki   +3 more
wiley   +1 more source

Frequency-agility of collapse-mode 1-D CMUT array

, 2016
The size of the features, and their relative distance to the probe, vary a lot in the intracardiac echocardiography application thus challenging the design of the probe.
Alexander F. Kolen, Debbie Rem-Bronneberg, Martin Pekar, Vos, Hendrik, Nenad Mihajlovic, Belt, Harm, Jacobs, Bas, Rem-Bronneberg, Debbie, Hendrik Vos, Harm Belt, Pekar, Martin, Nico de Jong, Mihajlovic, Nenad, Kolen, Alexander F., Bas Jacobs, De Jong, Nico, Bosch, Johan G., Johan G. Bosch, Gijs van Soest, Van Soest, Gijs   +19 more
core   +1 more source