WebJun 15, 2012 · Using an aqueous particle suspension and immiscible fluorocarbon oil, we generate aqueous drops in oil with a flow focusing nozzle. The aqueous flow rate is sufficiently high to create ordering of particles which reach the nozzle at integer multiple frequencies of the drop generation frequency, encapsulating a controlled number of cells … WebFlow-focusing microencapsulation is an important process to protect the cells in biomedical applications. This article char - acterizes different cell encapsulation modes …
Microencapsulation of solid cores to prepare double emulsion …
WebNov 1, 2024 · In flow-focusing, the dispersed phase flows through a nozzle until it joins the continuous phase. The shear stress is produced by a focus unit that abruptly narrows fluids' passage [34]. Flow-focusing geometry is more complex than a cross-flow one but remains popular since its leads to a better monodispersity with a higher production frequency ... WebJan 1, 2015 · Massive, nearly monodisperse, true microencapsulation of a wide variety of active ingredients within biocompatible shells can be achieved using flow focusing at moderate-high Reynolds numbers, a paradigmatic tool for highly controlled flow chemistry processes whose flexibility and physical aspects are briefly illustrated here. We show … phineas ferb theory
Microfluidic and cross-linking methods for ... - ScienceDirect
WebMar 6, 2014 · Microencapsulation of multiple drugs and imaging agents is significant for various biomedical applications. In this work we describe a novel method based on flow focusing geometry using tri-axial metallic capillary needles manufactured by a laser beam welding process. The tri-axial needle can be readily cleaned, assembled, and aligned. … WebDec 15, 2024 · Nevertheless, the fabrication of core-shell microcapsules usually requires comparatively complex devices (such as flow-focusing microfluidic devices 65 or tube-in-tube capillary microfluidic ... WebConcentric flow-focusing encapsulation devices and methods for the production of microencapsulated drops of a first material in the nucleus surrounded by a second material in the cortex that include the evaluation of dimensionless fluid-dynamic parameters that refer to the characteristics of the droplets that are produce the parameters are specifically … tsogts surah bichig