Marker, immunoassay method, immunoassay reagent, method for assaying analyte, analyte measurement kit, and lateral-flow chromatographic test strip
US10690665B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 30, 2015 |
| Grant date | Jun 23, 2020 |
| Priority date | — |
| Expiry date | Jul 26, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/553
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A resin-metal composite 100 to be used as a marker in an immunoassay, said resin-metal composite 100 comprising a resin particle 10 and metal particles 20 and having the following constitution (A) or constitution (B): (A) the average particle size of the resin-metal composite exceeding 300 nm; or (B) the average particle size of the metal particles being in the range of more than 20 nm and less than 70 nm. It is preferred that a part of the metal particles 20 are two- or three-dimensionally distributed in the surface layer part 60 of the resin particle 10, a part of the three-dimensionally distributed metal particles 20 are partly exposed to the outside of the resin particle 10, and a part of the remainder particles are enclosed in the resin particle 10.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.