Core-shell metal particles coated with dextran or aminodextran carrying SH groups, and use thereof

US7256054B2 · kind B2 · utility

Assignee

• Roche Diagnostics Operations, Inc. · US

Inventors

• Peter Sluka · Weilheim, DE
• Sebastian Heimerl · Tutzing, DE
• Konrad Kuerzinger · Penzberg, DE
• Thomas Fischer · Wiesloch, DE

Key dates

• Filing date: Jun 6, 2001
• Grant date: Aug 14, 2007
• Expiry date: Dec 31, 2022

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/2991
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

Colloidal metal particles having a coating comprising non cross-linked, SH-activated dextran or aminodextran. Biomolecules may be linked directly or indirectly to the particles, which are useful as detection reagents in immunological assays.