Rotationally controlled centrifugo-pneumatic valving utilizing dissolvable films

  • R. Gorkin
  • , C. Nwankire
  • , J. Siegrist
  • , R. Burger
  • , J. Gaughran
  • , J. Ducree

Research output: Chapter in Book / Conference PaperConference Paperpeer-review

2 Citations (Scopus)

Abstract

Here we report on a novel, centrifugo-pneumatic valving scheme based on water-dissolvable films. Compared to previous active valving approaches, this valving technique is merely controlled by introducing aqueous solutions to the substrate and allowing for dissolution; therefore lending itself to simple fabrication in microfluidic devices. Furthermore, the ability to tailor films over a range of dissolution times introduces novel capabilities for valving on the centrifugal platform allowing for greater diffusion barriers to liquids even at high burst frequencies. This report outlines the underlying working principle, assembly, and characterization of the novel valving scheme utilizing the dissolvable films.

Original languageEnglish
Title of host publication2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11
Pages1276-1279
Number of pages4
DOIs
Publication statusPublished - 2011
Externally publishedYes
Event2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11 - Beijing, China
Duration: 5 Jun 20119 Jun 2011

Publication series

Name2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11

Conference

Conference2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11
Country/TerritoryChina
CityBeijing
Period5/06/119/06/11

Keywords

  • Centrifugal
  • Dissolvable Films
  • Microfluidics
  • Valving

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