Piezoelectric-driven droplet impact printing with an interchangeable microfluidic cartridge

Baoqing Li, Jinzhen Fan, Jiannan Li, Jiaru Chu, Tingrui Pan

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Microfluidic impact printing has been recently introduced, utilizing its nature of simple device architecture, low cost, non-contamination, and scalable multiplexability and high throughput. In this paper, we have introduced an impact-based droplet printing platform utilizing a simple plug-and-play microfluidic cartridge driven by piezoelectric actuators. Such a customizable printing system allows for ultrafine control of droplet volume from picoliters (~23 pl) to nanoliters (~10 nl), a 500 fold variation. The high flexibility of droplet generation can be simply achieved by controlling the magnitude of actuation (e.g., driving voltage) and the waveform shape of actuation pulses, in addition to nozzle size restrictions. Detailed printing characterizations on these parameters have been conducted consecutively. A multiplexed impact printing system has been prototyped and demonstrated to provide the functions of single-droplet jetting and droplet multiplexing as well as concentration gradient generation. Moreover, a generic biological assay has also been tested and validated on this printing platform. Therefore, the microfluidic droplet printing system could be of potential value to establish multiplexed micro reactors for high-throughput life science applications.

Original languageEnglish (US)
Article number054101
JournalBiomicrofluidics
Volume9
Issue number5
DOIs
StatePublished - Jan 1 2015

Fingerprint

cartridges
Printing
Microfluidics
printing
actuation
platforms
Throughput
life sciences
Biological Science Disciplines
piezoelectric actuators
Piezoelectric actuators
plugs
multiplexing
Multiplexing
Biological Assay
nozzles
Assays
Nozzles
constrictions
flexibility

ASJC Scopus subject areas

  • Molecular Biology
  • Materials Science(all)
  • Genetics
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

Cite this

Piezoelectric-driven droplet impact printing with an interchangeable microfluidic cartridge. / Li, Baoqing; Fan, Jinzhen; Li, Jiannan; Chu, Jiaru; Pan, Tingrui.

In: Biomicrofluidics, Vol. 9, No. 5, 054101, 01.01.2015.

Research output: Contribution to journalArticle

Li, Baoqing ; Fan, Jinzhen ; Li, Jiannan ; Chu, Jiaru ; Pan, Tingrui. / Piezoelectric-driven droplet impact printing with an interchangeable microfluidic cartridge. In: Biomicrofluidics. 2015 ; Vol. 9, No. 5.
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