Results 61 to 70 of about 11,678 (233)

Synthesis of Laboratory Ultrasound Contrast Agents

Molecules, 2013
Ultrasound Contrast Agents (UCAs) were developed to maximize reflection contrast so that organs can be seen clearly in ultrasound imaging. UCAs increase the signal to noise ratio (SNR) by linear and non-linear mechanisms and thus help more accurately ...
Jaemin Oh, Kiju Choi, Jongbum Seo, Bongkwang Jung, Hyunjin Park, Sanghyub Moon, Han Sung Kim, Chihyun Kim, Unchul Shin, Donghee Park, Jingam Park   +10 more
doaj   +1 more source

Synergistic p53 Pathway Activation Through Sono‐Gene Therapy Induced by Ultrasound‐Triggered Theranostic Mesoporous Nanoparticles

Advanced Science, EarlyView.
Schematic representation of ultrasound‐mediated ICG/siCD24@MSN‐LCD from nanostructure to synergistic sono‐gene therapy. This nanoplatform targets ASGPR via the LCD shell, which dissociates to release loaded ICG and siCD24. The core mechanism involves ultrasound‐guided sonodynamic therapy by ICG and CD24 knockdown by siCD24, both activating the p53 axis
Yading Zhao, Lu Guo, Dandan Shi, Xiao Sun, Mengmeng Shang, Song Ning, Shuting Huang, Xiaoxuan Wang, Rui Liu, Yuye Fu, Suyun Li, Jie Li   +11 more
wiley   +1 more source

Enhanced microbubble contrast agent oscillation following 250 kHz insonation

Scientific Reports, 2018
Microbubble contrast agents are widely used in ultrasound imaging and therapy, typically with transmission center frequencies in the MHz range. Currently, an ultrasound center frequency near 250 kHz is proposed for clinical trials in which ultrasound ...
Tali Ilovitsh, Asaf Ilovitsh, Josquin Foiret, Charles F. Caskey, Jiro Kusunose, Brett Z. Fite, Hua Zhang, Lisa M. Mahakian, Sarah Tam, Kim Butts-Pauly, Shengping Qin, Katherine W. Ferrara   +11 more
doaj   +1 more source

Generation of Microbubbles through Single Loop and Double Loop Fluid Oscillator for Photobioreactor Aeration

International Journal of Technology, 2019
Microbubbles are known for their many applications. Recently there has been new findings regarding the growth of susceptible microalgae through microbubble aeration.
Muhammad Ilham Rizaldi, Arif Rahman, Deendarlianto, Nining Betawati Prihantini, Nasruddin   +4 more
doaj   +1 more source

Sonoselective Transfection of Glioma Endothelium

Advanced Science, EarlyView.
Delivering non‐viral, gene‐bearing nanoparticles with thiol‐decorated surfaces to gliomas with focused ultrasound yields transfection tropism for endothelial cells. From this platform, “sonoselective” transfection of glioma endothelium is achieved via incorporation of an endothelial cell‐specific promoter.
Anna C. Debski, Catherine M. Gorick, Victoria R. Breza, Jackson Tirrell, Krishan Perumal, Katherine M. Nowak, Ji Song, Natasha D. Sheybani, Richard J. Price   +8 more
wiley   +1 more source

Ultrastructural Changes Associated With the Enhanced Permeability of the Round Window Membrane Mediated by Ultrasound Microbubbles

Frontiers in Pharmacology, 2020
The round window membrane (RWM) is the most common entryway for local drug and gene delivery into the inner ear, but its permeability can change the treatment outcome.
Yi-Chun Lin, Hsin-Chien Chen, Hang-Kang Chen, Yuan-Yung Lin, Yuan-Yung Lin, Chao-Yin Kuo, Hao Wang, Chia-Lien Hung, Cheng-Ping Shih, Chih-Hung Wang, Chih-Hung Wang, Chih-Hung Wang   +11 more
doaj   +1 more source

Bubbles Acting as Micro End‐Effectors for Dexterous Manipulation and Sensing in Aqueous Environment

Advanced Intelligent Systems, Volume 7, Issue 3, March 2025.
Inspired by bubbles, this article proposes a low‐cost method for multifunctional manipulation and sensing using microbubbles in aqueous environments. Bubbles are easily generated in situ, enabling the safe and adaptive handling of microobjects and sensing of microforces and surface textures.
Zichen Xu, Qingsong Xu
wiley   +1 more source

Ultrasound frequency-controlled microbubble dynamics in brain vessels regulate the enrichment of inflammatory pathways in the blood-brain barrier

Nature Communications
Microbubble-enhanced ultrasound provides a noninvasive physical method to locally overcome major obstacles to the accumulation of blood-borne therapeutics in the brain, posed by the blood-brain barrier (BBB).
Yutong Guo, Hohyun Lee, Chulyong Kim, Christian Park, Akane Yamamichi, Pavlina Chuntova, Marco Gallus, Miguel O. Bernabeu, Hideho Okada, Hanjoong Jo, Costas Arvanitis   +10 more
doaj   +1 more source

Microbubble Distillation for Ethanol-Water Separation

International Journal of Chemical Engineering, 2016
In the current study, a novel approach for separating ethanol-water mixture by microbubble distillation technology was investigated. Traditional distillation processes require large amounts of energy to raise the liquid to its boiling point to effect ...
Atheer Al-yaqoobi, David Hogg, William B. Zimmerman   +2 more
doaj   +1 more source

Photoacoustic radiation force on a microbubble

Physical Review E, 2014
We investigate the radiation force on a microbubble due to the photoacoustic wave which is generated by using a pulsed laser. In particular, we focus on the dependence of pulsed laser parameters on the radiation force. In order to do so, we first obtain a new and comprehensive analytical solution to the photoacoustic wave equation based on the Fourier ...
Erkol, Hakan, Aytac-Kipergil, Esra, Unlu, Mehmet Burcin   +2 more
openaire   +3 more sources