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Shape controllable microgel particles prepared by microfluidic combining external ionic crosslinking
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http://aip.metastore.ingenta.com/content/aip/journal/bmf/6/2/10.1063/1.4720396
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/content/aip/journal/bmf/6/2/10.1063/1.4720396
2012-05-18
2014-10-20

Abstract

Alginate microgels with varied shapes, such as mushroom-like, hemi-spherical, red blood cell-like, and others, were generated by combining microfluidic and external ionic crosslinking methods. This novel method allows a continuous fine tuning of the microgel particles shape by simply varying the gelation conditions, e.g., viscosity of the gelation bath, collecting height, interfacial tension. The release behavior of iopamidol-loaded alginate microgel particles with varied morphologies shows significant differences. Our technique can also be extended to microgelsformation from different anionic biopolymers, providing new opportunities to produce microgels with various anisotropic dimensions for the applications in drug delivery, optical devices, and in advanced materials formation.

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Scitation: Shape controllable microgel particles prepared by microfluidic combining external ionic crosslinking
http://aip.metastore.ingenta.com/content/aip/journal/bmf/6/2/10.1063/1.4720396
10.1063/1.4720396
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