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Resonance imager of light-exciting color surface piasma

A technology of surface plasmon and resonance imaging, which is applied in the measurement of color/spectral characteristics and phase influence characteristics, etc., can solve problems such as no patent reports, and achieve the effects of accurate and easy-to-understand experimental results, simple use, and wide field

Inactive Publication Date: 2007-11-21
INST OF CHEM CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

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  • Resonance imager of light-exciting color surface piasma
  • Resonance imager of light-exciting color surface piasma
  • Resonance imager of light-exciting color surface piasma

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0080] The bottom of the prism is coated with a gold film with a nanometer thickness as a sensing film, and a color CCD is used as a detector to measure the color surface plasmon resonance imaging and color response values ​​of ethanol aqueous solutions with different volume percentage concentrations, see Table 1, Table 1 The color resonance imaging images and color brightness values ​​of ethanol aqueous solutions with different volume percentage concentrations measured by a multi-functional light-excited color surface plasmon resonance imager.

Embodiment 2

[0082] The bottom of the prism is coated with a layer of nanometer-thick gold as the sensing film, and the color CCD is used as the detector to measure the volume percentage concentration of the actual liquor sample and the comparison of the calibration concentration value, see Table 2. The comparison between the concentration value of the actual liquor sample measured by the surface plasmon resonance imager and the calibration concentration value of the sample.

Embodiment 3

[0084] The bottom of the prism is coated with a layer of nanometer-thick gold as the sensing film. The sensing film is self-assembled on the immunoglobulin G microarray through chemical modification, and the color CCD is used as the detector to measure the color surface plasmon resonance image in the air. , see Figure 10. Fig. 12 is the linear spectral line diagram transformed by its programming software.

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Abstract

A resonant image of using color light to excite surface plasma type consists of light source, modulation unit of incoming light angle, sample analysis unit, temperature control unit, detection unit, data collection and management unit. It is featured as applying composite-color light as excitation light source, using total reflection media-coupling to excite surface plasma of sensing film and to resonate with excited surface plasma for generating color image correlating to property of test sample.

Description

technical field [0001] The invention relates to surface plasmon resonance and color imaging principles, and belongs to surface dynamic monitoring and two-dimensional lattice chip imaging technology, in particular to a light-excited color surface plasmon resonance imager. technical background [0002] Surface Plasmon Resonance (SPR) is a physical optical phenomenon. When a beam of plane p-polarized light passes through a high-refractive-index glass medium and enters the interface between a metal film and a low-refractive-index medium that is tightly connected to it, under the condition of a certain incident angle or wavelength, the surface plasmon and The frequency and wavenumber of the incident light evanescent wave are the same, the two will resonate, the incident light is absorbed, the reflected light energy drops sharply, and the reflected light intensity reaches the minimum value. The incident angle and incident wavelength at this time are respectively called a resonanc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/41G01N21/25
Inventor 陈义申刚义齐莉
Owner INST OF CHEM CHINESE ACAD OF SCI
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