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  • Title: Bio-inspired cell concentration and deformability monitoring chips.
    Author: Cho YH, Youn S, Lee DW.
    Journal: J Nanosci Nanotechnol; 2007 Nov; 7(11):4214-9. PubMed ID: 18047154.
    Abstract:
    The paper presents a couple of biofluidic devices, whose functions are inspired from biological cell concentration and deformability monitoring functions. The cell concentration monitoring chip is inspired from RBC control mechanism in kidney, performing cell concentration monitoring functions. The cell deformability chip, inspired from selective RBC destruction mechanism in spleen, performs mechanical cell deformability monitoring functions. The structures and principles of the bio-inspired chips are presented and compared with those of the biological organs. The unique features and performance characteristics of the bio-inspired chips are analyzed and verified from experimental study. The bio-inspired cell concentration monitoring chips perform flow-rate insensitive concentration measurement, while the bio-inspired cell deformability monitoring chips achieve size-independent cell deformability measurement. Common advantages of the bio-inspired chips include simple structures, digital signals and high integrability, thus making them suitable for use in integrated digital biomedical systems.
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