Patent · US Active

Complex and detection device

US12006458B2 · kind B2 · utility

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4Claims
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Assignee

Inventor

Key dates

Filing dateDec 11, 2020
Grant dateJun 11, 2024
Priority date
Expiry dateDec 3, 2042

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2021/258
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The present disclosure provides a complex having satisfactory dispersibility and stable luminescence characteristics. A complex of the present disclosure includes: a first substance having a property of specifically binding to a target substance; a quantum dot that contains silicon as a main component and that is negatively charged on a surface; and a linker substance that contains a compound represented by general formula (1) below and that covers the surface of the quantum dot, where the first substance has been immobilized on the surface of the quantum dot through the linker substance: X—L—Si—(R1)(R2)(OR3)  (1) where X is a basic functional group; R1, R2, and R3 are each independently an alkyl group; and L is an alkylene group.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.