Surface enhanced raman spectroscopy sensor, system and method of sensing
US9588048B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 20, 2011 |
| Grant date | Mar 7, 2017 |
| Priority date | — |
| Expiry date | Jan 21, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB82Y15/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A surface enhanced Raman spectroscopy (SERS) sensor, system and method employ nanorods and independent nanoparticles that interact. The sensor includes at least two spaced apart nanorods attached at first ends to a substrate and an independent nanoparticle. Second ends of the nanorods are movable into close proximity to one another and include a Raman active surface. The nanoparticle has a functionalized surface that includes a Raman signal generator. An interaction between the nanoparticle and the nanorod second ends in close proximity is detectable. The system includes the SERS sensor, an illumination source and a Raman signal detector. The method includes illuminating the interaction of the nanoparticle and the nanorods with an analyte, and detecting an effect on a Raman signal caused by the analyte.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.