Uv-light based structuring of unbreakable hydrophobic barriers on commonly used papers

  • Tobias M. Nargang*
  • , Elisabeth Wilhelm
  • , Frederik Kotz
  • , Dorothea Helmer
  • , Bastian E. Rapp
  • *Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Abstract

In this paper we introduce a new protocol to lithographically structure bendable hydrophobic layers on paper which are commonly used as platforms for biological paper-based microfluidic devices. The method we present creates hydrophobic barriers on paper using silanization with dimethoxydimethylsilane. Unlike wax barriers these barriers do not break if the paper is bent. Furthermore we immobilized streptavidinalkaline phosphatase on to the non-structured area and carried out an enzymatic assay to demonstrate the biocompatibility of our method.

Original languageEnglish
Title of host publicationMicroTAS 2015 - 19th International Conference on Miniaturized Systems for Chemistry and Life Sciences
PublisherChemical and Biological Microsystems Society
Pages1326-1328
Number of pages3
ISBN (Electronic)9780979806483
Publication statusPublished - 2015
Externally publishedYes
Event19th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2015 - Gyeongju, Korea, Republic of
Duration: 25-Oct-201529-Oct-2015

Publication series

NameMicroTAS 2015 - 19th International Conference on Miniaturized Systems for Chemistry and Life Sciences

Conference

Conference19th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2015
Country/TerritoryKorea, Republic of
CityGyeongju
Period25/10/201529/10/2015

Keywords

  • Light structured
  • Microfluidics
  • Paper-based
  • Photobleaching
  • Silanization
  • μPADs

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