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Yingkun Ma on Muck Rack

Yingkun Ma

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Monolithic integration of Knudsen pumps to form a complete, self-sufficient fluidic system for microscale gas chromatography - Microsystems & Nanoengineering

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By Xiangyu Zhao, Declan Winship, Yutao Qin, Yingkun Ma
| Nature Verified
Abstract This paper reports the first microscale gas chromatography (μGC) system in which all fluidic components are monolithically integrated into a single 15 × 15 mm2 chip, including three Knudsen pumps, a preconcentrator, a separation column, and a capacitive detector. Knudsen pumps utilize thermal transpiration along narrow channels to induce gas flow, providing a compact, motionless solution that enables monolithic integration with high reliability and a long operational lifetime.
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