Selfassembled grafted polymeric layer for use in biosensor technology
US7728094B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 3, 2005 |
| Grant date | Jun 1, 2010 |
| Priority date | — |
| Expiry date | Dec 31, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D183/12
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A water soluble functional polyethylene glycol-grafted polysiloxane polymer comprising a polysiloxane backbone and polyethylene glycol side chains is provided having the general formula:wherein A is selected from the group consisting of hydrogen, methyl, methoxy and functional polyethylene glycol based chains, B is a functional group for binding biologically-sensitive materials, D is a functional group for binding to a substrate, m is from 3 to 5, v is from 0 to 5, w is from 4 to 11, x is from 0 to 35 and z is from 1 to 33. In order to be water soluble, the polysiloxane polymer h the following properties: x+y+z is from 8 to 40, n is from 8 to 30, and y is from 7 to 35.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.