Topological Microfluidics

Nematic Liquid Crystals and Nematic Colloids in Microfluidic Environment
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ISBN-13:
9783319008578
Einband:
Book
Erscheinungsdatum:
21.08.2013
Seiten:
172
Autor:
Anupam Sengupta
Gewicht:
401 g
Format:
244x161x17 mm
Sprache:
Englisch
Beschreibung:

One of the first attempts to integrate two highly active domains - microfluidics and liquid crystals - this book shows how to harness topology on a microfluidic platform. Opens capabilities beyond viscous-dominated microfluidics, promising broad applications.
Nominated as an outstanding Ph.D. thesis by the Max Planck Institute for Dynamics and Self Organization (MPIDS), Göttingen, Germany
Liquid crystal theory.- Materials and experimental methods.- Functionalization of microfluidic devices.- Nematic liquid crystals confined within a microfluidic device: Static case.- Flow of nematic liquid crystals in a microfluidic environment.- Nematic colloids in microfluidic confinement.- Ongoing research.
This work represents one of the first comprehensive attempts to seamlessly integrate two highly active interdisciplinary domains in soft matter science - microfluidics and liquid crystals (LCs). Motivated by the lack of fundamental experiments, Dr. Sengupta initiated systematic investigation of LC flows at micro scales, gaining new insights that are also suggestive of novel applications. By tailoring the surface anchoring of the LC molecules and the channel dimensions, different topological constraints were controllably introduced within the microfluidic devices. These topological constraints were further manipulated using a flow field, paving the way for Topological Microfluidics. Harnessing topology on a microfluidic platform, as described in this thesis, opens up capabilities beyond the conventional viscous-dominated microfluidics, promising potential applications in targeted delivery and sorting systems, self-assembled motifs, and novel metamaterial fabrications.

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