Double-excitation orthogonal emission up-conversion luminescence nano-particles, multi-flux detection immunochromatography test paper and application of multi-flux detection immunochromatography test paper
An immunochromatographic test paper and nanoparticle technology, which is applied in the field of biomedical diagnostic materials and detection, can solve the problems of inapplicability to large-scale sample screening, complex environmental interference factors, and complicated operation process, so as to facilitate mass production and mass production. Effects of scale promotion, enhanced sensitivity and stability, and high-sensitivity quantitative detection
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment
[0042] The dual-excitation orthogonal emission up-conversion luminescent nanoparticle provided in this embodiment is a dual-excitation orthogonal emission up-conversion luminescent nanoparticle with a core-shell structure with two layers of shells, which is doped with Yb, Tm and Er NaYF 4 The nanoparticles are the inner core, and the outer core is wrapped with Yb-doped NaYF 4 The first shell layer, and the first shell layer is wrapped with Yb, Nd-doped NaYF 4 The second shell, which constitutes NaYF co-doped with Yb, Tm, Er and Nd 4 :Yb / Tm / Er@NaYF 4 :Yb@NaYF 4 : Yb / Nd core-shell nanoparticle structure; the surface of the double-excited orthogonal emission upconversion luminescent nanoparticle is marked with the antigen of the detection object, and the double excitation orthogonal emission upconversion luminescent nanoparticle UCNPs is 980nm in the near-infrared light It emits red light under laser excitation, and emits green light under 808nm wavelength laser excitation. ...
specific Embodiment 1
[0062] The dual-excitation orthogonal emission up-conversion luminescent nanoparticles provided in this example and the preparation method thereof are used to prepare dual-excitation orthogonal emission up-conversion luminescent nanoparticles in which red light is excited by a 980nm wavelength laser and green light is excited by a 808nm wavelength laser, and then Combine colloidal gold again, make circulation detection immunochromatography test strip, and detect aflatoxin AFB1 (a class in AFT), it comprises the steps:
[0063] 1. Preparation of UCNPs
[0064] 1.1 Preparation of double-excited orthogonal emission up-conversion luminescent nanoparticles with a core-shell structure with a two-layer shell by the seed crystal method, which uses NaYF doped with Yb, Tm and Er 4 The nanoparticles are the inner core, and the outer core is wrapped with Yb-doped NaYF 4 The first shell layer, and the first shell layer is wrapped with Yb, Nd-doped NaYF 4 The second shell, consisting of Y...
PUM
Property | Measurement | Unit |
---|---|---|
size | aaaaa | aaaaa |
diameter | aaaaa | aaaaa |
diameter | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com