ADMiER-ing thin but complex fluids
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McDonnell, A. and Bhattacharjee, P. and Pan, S. and Hill, D. and Danquah, M. and Friend, J. and Yeo, L. et al. 2011. ADMiER-ing thin but complex fluids, in Juodkazis, S. and Gu, M. (eds), Smart Nano-Micro Materials and Devices, Proceedings of SPIE 8204, Dec 5-7 2011, Article 17. Melbourne: SPIE.
Proceedings of SPIE - The International Society for Optical Engineering
The Acoustics Driven Microfluidic Extensional Rheometer (ADMiER) utilises micro litre volumes of liquid, with viscosities as low as that of water, to create valid and observable extensional flows, liquid bridges that pinch off due to capillary forces in this case. ADMiER allows the study fluids that have been beyond conventional methods and also study more subtle fluid properties. We can observe polymeric fluids with solvent viscosities far below those previously testable, accentuating elastic effects. Also, it has enabled the testing of aqueous solutions of living motile particles, which significantly change fluid properties, opening up the potential for diagnostic applications.
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