Solution concentration detection system based on spr sensor and preparation method of spr sensor

A solution concentration and sensor technology, applied in the field of sensors, can solve the problems of limited measurement range, long time required, and high equipment, and achieve the effects of short coating time, low equipment requirements, and widening of the measurement range.

Active Publication Date: 2020-02-21
ZHEJIANG NORMAL UNIVERSITY
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

In this way, the requirements for the equipment are high, and the current needs to be increased slowly during the coating process, which takes a long time and the measurement range is limited.

Method used

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  • Solution concentration detection system based on spr sensor and preparation method of spr sensor
  • Solution concentration detection system based on spr sensor and preparation method of spr sensor
  • Solution concentration detection system based on spr sensor and preparation method of spr sensor

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Embodiment Construction

[0030] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.

[0031] Any feature disclosed in this specification (including any appended claims, abstract and drawings), unless expressly stated otherwise, may be replaced by alternative features which are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

[0032] Such as Figure 1 to Figure 3 As shown, a solution concentration detection system based on an SPR sensor of the device of the present invention includes an SPR sensor 6, a broadband light source 1, a sample pool 3, an optical fiber spectrometer 4 and a computer 5, and the SPR sensor 6 is installed in the sample pool 3, and the input end and the output end of the SPR sensor 6 are respectively equipped with an input optical fiber 21 and ...

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Abstract

The invention discloses a system for detecting the concentration of a solution based on an SPR sensor. The system comprises the SPR sensor, a broadband light source, a sample cell, a fiber optic spectrometer and a computer, the SPR sensor is arranged in the sample cell, the input end of the SPR sensor is provided with an input optical fiber, the output end of the SPR sensor is provided with an output optical fiber, the input optical fiber is connected with the broadband light source, the output optical fiber is connected with the fiber optic spectrometer, and the fiber optic spectrometer is connected with the computer through a data line, wherein the SPR sensor includes a detection optical fiber and an asymmetric metal film arranged on the detection optical fiber, the detection optical fiber includes a single-mode optical fiber and multimode fibers bilaterally symmetrically arranged at two ends of the single-mode optical fiber, and the two multimode optical fibers are connected with the single-mode optical fiber through welding.

Description

technical field [0001] The invention relates to the technical field of sensors, in particular to a solution concentration detection system based on an SPR sensor and a preparation method of the SPR sensor. Background technique [0002] Optical surface plasmon resonance (Surface Plasmon Resonance, SPR) is an optical physical phenomenon. When a beam of P-polarized light is incident on the end face of the prism within a certain angle range, surface plasmon waves will be generated at the interface between the prism and the metal film (Au or Ag). When the propagation constant of the incident light wave matches that of the surface plasmon wave, free electrons in the metal film are caused to resonate, that is, surface plasmon resonance. During the analysis, a layer of biomolecular recognition film is first fixed on the surface of the sensor chip, and then the sample to be tested flows over the chip surface. If there are molecules in the sample that can interact with the biomolecul...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/59
CPCG01N21/59G01N2021/5903
Inventor 彭保进骆琰石福权陈佳佳应朝福
Owner ZHEJIANG NORMAL UNIVERSITY
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