Format

Send to

Choose Destination
See comment in PubMed Commons below
J R Soc Interface. 2010 Jul 6;7(48):1129-33. doi: 10.1098/rsif.2009.0520. Epub 2010 Feb 10.

Transferring vertically aligned carbon nanotubes onto a polymeric substrate using a hot embossing technique for microfluidic applications.

Author information

1
Nanotechnology and Integrated Bio-Engineering Centre, School of Electrical and Mechanical Engineering, University of Ulster, Newtownabbey BT37 0QB, UK.

Abstract

We explored the hot embossing method for transferring vertically aligned carbon nanotubes (CNTs) into microfluidic channels, fabricated on poly-methyl-methacrylate (PMMA). Patterned and unpatterned CNTs were synthesized by microwave plasma-enhanced chemical vapour deposition on silicon to work as a stamp. For hot embossing, 115 degrees C and 1 kN force for 2 min were found to be the most suitable parameters for the complete transfer of aligned CNTs on the PMMA microchannel. Raman and SEM studies were used to analyse the microstructure of CNTs before and after hot embossing. The PMMA microparticles with dimensions (approx. 10 microm in diameter) similar to red blood cells were successfully filtered using laminar flow through these microfluidic channels. Finally, a microfluidic-based point-of-care device for blood filtration and detection of bio-molecules is drawn schematically.

PMID:
20147316
PMCID:
PMC2880084
DOI:
10.1098/rsif.2009.0520
[Indexed for MEDLINE]
Free PMC Article
PubMed Commons home

PubMed Commons

0 comments
How to join PubMed Commons

    Supplemental Content

    Full text links

    Icon for HighWire Icon for PubMed Central
    Loading ...
    Support Center