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Development and fluidic simulation of microneedles for painless pathological interfacing with living systems

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2 Author(s)
Chakraborty, Suman ; Department of Mechanical Engineering, Indian Institute of Technology, Kharagpur 721302, India ; Tsuchiya, K.

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In this paper, we investigate the development and fluidic analysis of microneedles integrated with painless blood extraction systems that aim to mimic the female mosquito’s blood sampling techniques in certain respects. The microneedles are fabricated by employing the sputtering deposition method. A fluid mechanical analysis is presented toward predicting the transport mechanisms inside the microneedle as dynamically evolving consequences of the resistive forces and the aiding surface tension influences. The theoretical predictions are comprehensively compared to experimental data, and excellent agreements are found for all cases.

Published in:

Journal of Applied Physics  (Volume:103 ,  Issue: 11 )