Formation of Polyacrylamide and PEGDA Hydrogel Particles in a Microfluidic Flow Focusing Droplet Generator
- Authors: Nozdriukhin D.V.1,2, Filatov N.A.1, Evstrapov A.A.1,3,4, Bukatin A.S.1,4
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Affiliations:
- St. Petersburg National Research Academic University, Russian Academy of Sciences
- Peter the Great St. Petersburg Polytechnic University
- ITMO University
- Institute for Analytical Instrumentation, Russian Academy of Sciences
- Issue: Vol 63, No 9 (2018)
- Pages: 1328-1333
- Section: Development of Process Technologies, Diagnostic Methods, and Functional Materials and Structures
- URL: https://journal-vniispk.ru/1063-7842/article/view/201971
- DOI: https://doi.org/10.1134/S1063784218090141
- ID: 201971
Cite item
Abstract
Monodisperse polymeric particles have great potential in biomedical and physical applications. Modern high-throughput droplet microfluidic technologies make it possible to produce monodisperse water-in-oil macroemulsions with desired properties. Polymerization in a macroemulsion transforms it to a suspension of microparticles. These particles may be viewed as containers for targeted delivery of drugs and also as bioink for 3D printing of tissues and organs. Conditions for formation of PEGDA and polyacrylamide particles using a microfluidic flow-focusing emulsion generator have been studied. Manufactured microparticles have been characterized by their geometrical sizes and mechanical properties. In addition, the diffusion escape of small molecules from microparticles has been studied using Rhodamine B fluorescent dye.
About the authors
D. V. Nozdriukhin
St. Petersburg National Research Academic University, Russian Academy of Sciences; Peter the Great St. Petersburg Polytechnic University
Author for correspondence.
Email: DaniN1909@yandex.ru
Russian Federation, St. Petersburg, 194021; St. Petersburg, 195251
N. A. Filatov
St. Petersburg National Research Academic University, Russian Academy of Sciences
Email: DaniN1909@yandex.ru
Russian Federation, St. Petersburg, 194021
A. A. Evstrapov
St. Petersburg National Research Academic University, Russian Academy of Sciences; ITMO University; Institute for Analytical Instrumentation, Russian Academy of Sciences
Email: DaniN1909@yandex.ru
Russian Federation, St. Petersburg, 194021; St. Petersburg, 197101; St. Petersburg, 198095
A. S. Bukatin
St. Petersburg National Research Academic University, Russian Academy of Sciences; Institute for Analytical Instrumentation, Russian Academy of Sciences
Email: DaniN1909@yandex.ru
Russian Federation, St. Petersburg, 194021; St. Petersburg, 198095
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