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System for detecting concentration of solution based on SPR sensor, and production method of SPR sensor

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

Active Publication Date: 2018-03-16
ZHEJIANG NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • 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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  • System for detecting concentration of solution based on SPR sensor, and production method of SPR sensor
  • System for detecting concentration of solution based on SPR sensor, and production method of SPR sensor
  • System for detecting concentration of solution based on SPR sensor, and production method of SPR sensor

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Embodiment Construction

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

[0031] Any feature disclosed in this specification (including any appended claims, abstract and drawings), unless specifically stated, can be replaced by other equivalent or equivalent alternative features. That is, unless otherwise stated, each feature is just one example of a series of equivalent or similar features.

[0032] Such as Figure 1 to Figure 3 As shown, an SPR sensor-based solution concentration detection system of the device of the present invention includes an SPR sensor 6, a broadband light source 1, a sample cell 3, a fiber optic spectrometer 4, and a computer 5. The SPR sensor 6 is installed in the sample cell 3, and the input end and output end of the SPR sensor 6 are respectively installed with an input fiber 21 and an output fiber 22, the input fiber 21 is connected to ...

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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] 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, a surface plasma wave 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 the propagation constant of the surface plasmon wave, free electrons in the metal film are caused to resonate, that is, surface plasmon resonance. When analyzing, first fix a layer of biomolecular recognition film on the surface of the sensor chip, and then flow the sample to be tested over the surface of the chip. If there are molecules in the sample that can interact with the biomolecular recognition film on ...

Claims

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Application Information

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Patent Type & Authority Applications(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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