TITLE

Allylamine-mediated DNA attachment to polycrystalline diamond surface

AUTHOR(S)
Zhuang, H.; Srikanth, Vadali. V. S. S.; Jiang, X.; Luo, J.; Ihmels, H.; Aronov, I.; Wenclawiak, B. W.; Adlung, M.; Wickleder, C.
PUB. DATE
October 2009
SOURCE
Applied Physics Letters;10/5/2009, Vol. 95 Issue 14, p143703
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Allylamine, an unsaturated short carbon chain amine was used to mediate ss-DNA attachment to an H-terminated polycrystalline diamond thin film surface for biosensoric applications. At first, allylamine was photochemically tethered onto the diamond film surface; ss-DNA was then attached via the allylamine linkage. The DNA molecules are then hybridized with the complementary DNA molecules containing fluorescence labels followed by denaturing. Time-of-fight secondary ion mass spectrometry and fluorescence spectroscopy are used to confirm the allylamine bonding and the covalent DNA bonding to the diamond film surface, respectively.
ACCESSION #
44539666

 

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