NDLI: Microfluidic synthesis and post processing of non-spherical polymeric microparticles

Content Provider	Springer Nature Link
Author	Baah, David Tigner, Julaunica Bean, Kala Walker, Nicole Britton, Bernard Floyd Smith, Tamara
Copyright Year	2011
Abstract	Monodisperse spherical and non-spherical particles as well as their suspensions have diverse applications in optoelectronics, photonics, abrasives, catalysis, drug delivery, and field responsive rheological fluids. The synthesis of highly monodisperse particles with tunable functionalities has been a great challenge. Microfluidics technology, however, presents an attractive approach to synthesizing monodisperse non-spherical particles with tunable functionalities for application breakthroughs. The microfluidics method, described in a previous study, uses a UV-curable prepolymer with an appropriate photo-initiator. The prepolymer solution passes through a microfluidic channel positioned on a microscope stage, and a microscope objective focuses UV light that is launched into the microfluidic channel. A photo mask patterned with transparent geometric features that define the shape of the particles masks the UV light to synthesize micron sized organic particles. Typically, particles synthesized using this method remain suspended. However, this study describes post-processing methods that allow the recovery of high fidelity, solvent-free particles. Particles in cubic, tetragonal and cylindrical shapes as well as those in pentagonal, hexagonal and triangular cross sections with a size range of ~40–130 μm were synthesized and collected. Then, they were characterized using electron microscopy and image processing to demonstrate the efficacy of the post processing techniques described.
Starting Page	657
Ending Page	662
Page Count	6
File Format	PDF
ISSN	16134982
Journal	Microfluidics and Nanofluidics
Volume Number	12
Issue Number	1-4
e-ISSN	16134990
Language	English
Publisher	Springer-Verlag
Publisher Date	2011-09-08
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Microfluidics Particles Photopolymer Non-spherical Industrial Chemistry/Chemical Engineering Biomedical Engineering Engineering Fluid Dynamics
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Materials Chemistry Condensed Matter Physics Electronic, Optical and Magnetic Materials

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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