Ultrahydrophobic properties of porous silicon for surface based bioanalysis
(2007) Eleventh International Conference on Miniaturized Systems for Chemistry and Life Sciences 2. p.1046-1047- Abstract
- Previously we reported the extreme water repellency of randomly organized macro-/nanoporous silicon surfaces [1]. The texturized silicon with hierarchical porous structure in micrometer and nanometer scale was shown to exhibit the superhydrophobic behaviour. Contact angles as high as 176º can be easily achieved with further fluoroalkylsilane modification of the porous surfaces. Porous silicon technology is compatible with the silicon patterning techniques allowing easy integration of the ultrahydrophobic properties into microfluidic and lab-on-a-chip devices for a new generation of surface based bioanalysis. In this paper we report the fabrication of ultrahydrophobic porous silicon channels and ultrahydrophobic nanovial arrays. Also the... (More)
- Previously we reported the extreme water repellency of randomly organized macro-/nanoporous silicon surfaces [1]. The texturized silicon with hierarchical porous structure in micrometer and nanometer scale was shown to exhibit the superhydrophobic behaviour. Contact angles as high as 176º can be easily achieved with further fluoroalkylsilane modification of the porous surfaces. Porous silicon technology is compatible with the silicon patterning techniques allowing easy integration of the ultrahydrophobic properties into microfluidic and lab-on-a-chip devices for a new generation of surface based bioanalysis. In this paper we report the fabrication of ultrahydrophobic porous silicon channels and ultrahydrophobic nanovial arrays. Also the MALDI-TOF MS (matrix assisted laser desorption/ionization time-of-flight mass-spectrometry) target anchor chip composed of the hydrophilic anchor points for sample deposition surrounded by the ultrahydrophobic porous area is reported. Such anchor chip allowed the deposition of large sample volumes providing the strategy to improve MALDI-TOF MS sensitivity. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/750854
- author
- Ressine, Anton LU ; Augustsson, Per LU ; Marko-Varga, György LU and Laurell, Thomas LU
- organization
- publishing date
- 2007
- type
- Chapter in Book/Report/Conference proceeding
- publication status
- published
- subject
- keywords
- MALDI-TOF MS, water repellency, porous silicon, superhydrophobic, microfluidics
- host publication
- Micro Total Analysis Systems 2007, Proceedings of µTAS 2007 Conference
- editor
- Jean-Louis, Viovy ; Tabeling, Patrick ; Descroix, Stephanie and Malaquin, Laurent
- volume
- 2
- pages
- 3 pages
- publisher
- Chemical and Biological Microsystems Society
- conference name
- Eleventh International Conference on Miniaturized Systems for Chemistry and Life Sciences
- conference location
- Paris, France
- conference dates
- 2007-10-07 - 2007-10-11
- external identifiers
-
- scopus:67349116462
- ISBN
- 978-0-9798064-0-7
- language
- English
- LU publication?
- yes
- additional info
- The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Analytical Chemistry (S/LTH) (011001004), Biomedical Engineering (011200011)
- id
- 2e1bb0b7-ad27-4b8b-85c6-761d14de9e4b (old id 750854)
- date added to LUP
- 2016-04-04 09:59:01
- date last changed
- 2022-01-29 19:37:24
@inproceedings{2e1bb0b7-ad27-4b8b-85c6-761d14de9e4b, abstract = {{Previously we reported the extreme water repellency of randomly organized macro-/nanoporous silicon surfaces [1]. The texturized silicon with hierarchical porous structure in micrometer and nanometer scale was shown to exhibit the superhydrophobic behaviour. Contact angles as high as 176º can be easily achieved with further fluoroalkylsilane modification of the porous surfaces. Porous silicon technology is compatible with the silicon patterning techniques allowing easy integration of the ultrahydrophobic properties into microfluidic and lab-on-a-chip devices for a new generation of surface based bioanalysis. In this paper we report the fabrication of ultrahydrophobic porous silicon channels and ultrahydrophobic nanovial arrays. Also the MALDI-TOF MS (matrix assisted laser desorption/ionization time-of-flight mass-spectrometry) target anchor chip composed of the hydrophilic anchor points for sample deposition surrounded by the ultrahydrophobic porous area is reported. Such anchor chip allowed the deposition of large sample volumes providing the strategy to improve MALDI-TOF MS sensitivity.}}, author = {{Ressine, Anton and Augustsson, Per and Marko-Varga, György and Laurell, Thomas}}, booktitle = {{Micro Total Analysis Systems 2007, Proceedings of µTAS 2007 Conference}}, editor = {{Jean-Louis, Viovy and Tabeling, Patrick and Descroix, Stephanie and Malaquin, Laurent}}, isbn = {{978-0-9798064-0-7}}, keywords = {{MALDI-TOF MS; water repellency; porous silicon; superhydrophobic; microfluidics}}, language = {{eng}}, pages = {{1046--1047}}, publisher = {{Chemical and Biological Microsystems Society}}, title = {{Ultrahydrophobic properties of porous silicon for surface based bioanalysis}}, volume = {{2}}, year = {{2007}}, }