An Enhanced Tilted-Angle Acoustofluidic Chip for Cancer Cell Manipulation

An Enhanced Tilted-Angle Acoustofluidic Chip for Cancer Cell Manipulation
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用于癌细胞操作的增强型倾斜角声流控芯片

DOI:
10.1109/led.2021.3062292
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发表时间:
2021
影响因子:
4.9
通讯作者:
Wu F
Wu F
中科院分区:
工程技术2区
文献类型:
--
作者:
Wu F

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近年来,表面声波(SAW)器件在包括生物细胞在内的纳米和微粒子的操作中显示出巨大的潜力和越来越多的应用,其优点是无标签、高灵敏度和高准确性。在这封信中,我们介绍了一种新的倾斜角度声呐器件,以优化微通道内的声压,用于癌细胞操作。通过在微通道周围的空间中无缝地设计电极,可以改善声表面波的产生和声辐射力。在输入功率、制造成本和制造工作量不变的情况下,这种新型SAW器件与传统SAW器件的分离效率提高了32%。证明了HeLa癌细胞与外周血单核细胞的有效分离。这种新型SAW器件在降低器件功耗、减小器件占地面积和提高器件密度方面具有优势。
In recent years, surface acoustic wave (SAW) devices have demonstrated great potentials and increasing applications in the manipulation of nano- and micro-particles including biological cells with the advantages of label-free, high sensitivity and accuracy. In this letter, we introduce a novel tilted-angle SAW devices to optimise the acoustic pressure inside a microchannel for cancer-cell manipulation. The SAW generation and acoustic radiation force are improved by seamlessly patterning electrodes in the space surrounding the microchannel. Comparisons between this novel SAW device and a conventional device show a 32% enhanced separation efficiency while the input power, manufacturing cost and fabrication effort remain the same. Effective separation of HeLa cancer cells from peripheral blood mononuclear cells is demonstrated. This novel SAW device has the advantages in minimizing device power consumption, lowering component footprint and increasing device density.
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