Development of Quantitative Analytical Instrument for Colloidal Gold Strips

Yang Wang; Kai Jiang; Ping Wang

doi:10.4028/www.scientific.net/AMR.591-593.1872

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 591-593Development of Quantitative Analytical Instrument...

Development of Quantitative Analytical Instrument for Colloidal Gold Strips

Abstract:

A novel analytical instrument for quantitative testing colloidal gold strips is developed based on the principle of photoelectric detection. The test-strip analytical instrument uses green LEDs as the emitting light source and a photodiode as the receiving device for obtaining reflected light, and utilizes a step motor to drive detection system for scanning the examining areas. Modulation technique for light source signals and demodulation technique for receipt signals are used to eliminate the interference of the background noise. The test results indicate the system has high detection veracity rates with detecting errors less than 1%, and good detection stability with coefficient variables less than 2%.

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Periodical:

Advanced Materials Research (Volumes 591-593)

Pages:

1872-1876

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.591-593.1872

Citation:

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Online since:

November 2012

Authors:

Yang Wang, Kai Jiang, Ping Wang

Keywords:

Colloidal Gold Strip, Demodulation, Modulation, Photoelectric Detection, Quantitative

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References

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