Research and design of functional microstructures with directional transport for bionic microfluidics

Lingbao Kong; Zhenzhen Xu; Min Xu

doi:10.1117/12.2504802

24 January 2019 Research and design of functional microstructures with directional transport for bionic microfluidics

Lingbao Kong, Zhenzhen Xu, Min Xu

Proceedings Volume 10840, 9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Micro- and Nano-Optics, Catenary Optics, and Subwavelength Electromagnetics; 1084015 (2019) https://doi.org/10.1117/12.2504802
Event: Ninth International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT2018), 2018, Chengdu, China

Abstract

Optical microscopy is an important means and tool for the research of microcosmic life science. As an important technology to study the life process with optical methods, microfluidics is widely used in the field of biology and medicine. Inspired by bionics, biomimetic microfluidic control has become a promising branch of microfluidic field. In the microfluidic channel, it imitates biological functions such as collecting water droplets and cilia driven fluid motion, which provides an alternate approach for the design and development of new microfluidic devices. This paper presents a study of functional microstructures with directional transport for the application of bionic microfluidics. Biological microstructured surface with directional transport function was first studied and designed, to imitate the rose petals, the outer skin of the Texas horned lizard and the peristome surface of Nepenthes alata. The model of bionic microstructure with directional transportation was then established to reveal the characteristic mechanism of typical directional transport microstructures. Microstructures with function of directional transport were designed regarding to the criteria of distance and speed of directional transportation of water droplets. Simulation studies show that the designed functional microstructured surface is capable to achieve the expected function of directional transport. Such microstructures can be applied to the design and processing of microfluidic chips, therefore the research is helpful to promote the application and development of bionic microfluidics in optical microscopy.

Citation Download Citation

Lingbao Kong, Zhenzhen Xu, and Min Xu "Research and design of functional microstructures with directional transport for bionic microfluidics", Proc. SPIE 10840, 9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Micro- and Nano-Optics, Catenary Optics, and Subwavelength Electromagnetics, 1084015 (24 January 2019); https://doi.org/10.1117/12.2504802

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KEYWORDS

Microfluidics

Liquids

Biomimetics

Capillaries

Computer aided design

Glasses

Interfaces

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