نتایج جستجو برای: microbubble
تعداد نتایج: 1643 فیلتر نتایج به سال:
Microbubble aeration has been recognized as a tool to improve dissolved oxygen and fish culture performance in limited water aquaculture. This research aims investigate the effect of microbubble on increasing oxygen, performance, stress resistance red tilapia. The study used 3 treatments aerations namely microbubble, blower, without with replicates each. Red tilapia weighing 115.27±3.93 g were ...
BACKGROUND The infusion of microbubbles as a side effect of haemodialysis was repeatedly demonstrated in recent publications, but the knowledge on the source of microbubbles and on microbubble formation is scarce. METHODS Microbubbles in the range of 10-500 µm were measured by a non-invasive bubble counter based on a pulsed ultrasonic Doppler system in a non-interventional study of a single c...
This work presents experimental responses of single ultrasound contrast agents to short, large amplitude pulses, characterized using double passive cavitation detection. In this technique, two matched, focused receive transducers were aligned orthogonally to capture the acoustic response of a microbubble from within the overlapping confocal region. The microbubbles were categorized according to...
Plant resistance to xylem cavitation is a major drought adaptation trait and is essential to characterizing vulnerability to climate change. Cavitation resistance can be determined with vulnerability curves. In the past decade, new techniques have increased the ease and speed at which vulnerability curves are produced. However, these new techniques are also subject to new artefacts, especially ...
This study was performed to assess the binding kinetics of a targeted microbubble contrast agent exposed to shear stress. An ultrasound contrast targeted to P-selectin was designed by conjugating monoclonal antibodies against murine P-selectin (RB40.34) to the lipid monolayer shell of the microbubble using poly(ethylene glycol)-biotin-streptavidin. The attachment and detachment of targeted micr...
The consumption of fresh produce is steadily increasing and chlorine washing the most commonly used method disinfecting produce. However, possesses a potential risk. Hence, this study ozone microbubble (OMB) water to disinfect Salmonella Enteritidis, S. Typhimurium, Staphylococcus aureus, Escherichia coli on tomatoes. After injecting into generator, OMB was fulfilled in 10 L tank for or 20 min....
INTRODUCTION Gas-filled microbubbles have been recently employed in therapeutic applications due to their unique cavitation and sonoporation properties. Local microbubble cavitation by spatially focused ultrasound can be applied in achieving site-specific release of incorporated drugs or genes inside microbubbles. Microbubbles can potentially be visualized by MRI and serve as an intravascular s...
Although recent procedural advances in revascularization such as percutaneous coronary intervention and coronary artery bypass grafting improve quality of life and prognosis of the patients with ischemic diseases, these is still a subset of patients who are refractory to these conventional therapies and have poor prognosis. Therapeutic angiogenesis might offer a novel approach to these patients...
In the present study we have investigated the sonoporation dynamics in a single cell using a novel microfluidic-based approach. Our methodology has successfully addressed the biophysical mechanisms underlying US-induced cell membrane sonoporation by performing in situ measurement of localised cell membrane deformation, and simultaneous quantification of both intracellular calcium concentration ...
Microbubble particles have been extensively utilized as temporal templates for various biomedical applications. This study proposes a facile strategy to obtain microbubble-containing alginate particles (i.e., microbubbles inside alginate gel particles, called alginate microbubbles). The chemical reaction of sodium bicarbonate and hydrogen peroxide to produce gaseous carbon dioxide and oxygen wa...
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