نتایج جستجو برای: droplet generation
تعداد نتایج: 372991 فیلتر نتایج به سال:
Many engineering applications assume the generation of single spherical droplets on demand. Piezo and thermo droplet-on-demand (DOD) instruments are not able to produce droplets with a broad range of size distributions from the same nozzle. We show that this challenge can be resolved using the principles of electrostatic generation and capillarity. A thin conductive wire threaded through a need...
A reliable microfluidic platform for the generation of stable and monodisperse multistage drug delivery systems is reported. A glass-capillary flow-focusing droplet generation device was used to encapsulate thermally hydrocarbonized porous silicon (PSi) microparticles into the aqueous cores of double emulsion drops, yielding the formation of a multistage PSi-lipid vesicle. This composite system...
Introduction The manipulation of droplets in microfluidic channels is an immensely useful technological platform for applications in many scientific fields such as biology, biomedical studies, chemical synthesis and drug discovery. Therefore a numerical study of microdroplet generation can play a crucial role in providing a model for predicting the effect of different parameters on a droplet ge...
Both the diversity and complexity of microfluidic systems have experienced a tremendous progress over last decades, enabled by new materials, novel device concepts innovative fabrication routes. In particular subfield high-throughput screening, used for biochemical, genetic pharmacological samples, has extensively emerged from developments in droplet microfluidics. More recently, 3D architectur...
The coalescence and mixing of a sessile and an impacting liquid droplet on a solid surface are studied experimentally and numerically in terms of lateral separation and droplet speed. Two droplet generators are used to produce differently colored droplets. Two high-speed imaging systems are used to investigate the impact and coalescence of the droplets in color from a side view with a simultane...
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