Microdroplet-based universal logic gates by electrorheological fluid

Mengying Zhang, Limu Wang, Xiang Wang, Jinbo Wu, Jiaxing Li, Xiuqing Gong, Jianhua Qin, Weihua Li, Weijia Wen

Research output: Contribution to journalArticlepeer-review

40 Scopus citations


We demonstrate a uniquely designed microfluid logic gate with universal functionality, which is capable of conducting all 16 logic operations in one chip, with different input voltage combinations. A kind of smart colloid, giant electrorheological (GER) fluid, functions as the translation media among fluidic, electronic and mechanic information, providing us with the capability of performing large integrations either on-chip or off-chip, while the on-chip hybrid circuit is formed by the interconnection of the electric components and fluidic channels, where the individual microdroplets travelling in a channel represents a bit. The universal logic gate reveals the possibilities of achieving a large-scale microfluidic processor with more complexity for on-chip processing for biological, chemical as well as computational experiments. © 2011 The Royal Society of Chemistry.
Original languageEnglish (US)
Pages (from-to)7493
JournalSoft Matter
Issue number16
StatePublished - 2011
Externally publishedYes


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