Avoidance of non-specific binding on an acoustic wave...

Details Avoidance of non-specific binding on an acoustic wave... Avoidance of non-specific binding on an acoustic wave...

G - Physics

01

N

G01N 33/48 (2006.01) G01N 29/22 (2006.01) G01N 33/53 (2006.01)

Patent

CA 2742093

An acoustic wave biosensor comprising a surface of a mixed self-assembling monolayer for receiving a probe-biomolecule is described herein. The biosensor surface may comprise a piezoelectric quartz crystal, - for detection purposes with the electromagnetic piezoelectric acoustic sensor (EMPAS) - upon which a mixed self-assembling monolayer is formed, which includes at least one linker, such as 2,2,2-trifluoroethyl-13-trichlorosilyl- tridecanoate (TTTA); its oligoethylene glycol (OEG) analog OEGylated TTTA (OEG-TTTA); S-(2-(2-(2-(3--trichlorosilyl-propyloxy)-ethoxy)-ethoxy)-ethyl)- benzenethiosulfonate (OEG-TUBTS). Linker/diluent systems for attaching a functionalizing entity to the surface of a biosensor are described, as well as methods for preparing a biosensor surface with an oligoethylene glycol linker.

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