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Related Experiment Videos

Development of a multichannel fluorescence affinity sensor system

Schuderer1, Akkoyun, Brandenburg

  • 1Fraunhofer-Institut fur Physikalische Messtechnik IPM, Freiburg, Germany.

Analytical Chemistry
|August 26, 2000
PubMed
Summary
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A novel multichannel fluorometer sensor uses evanescent field luminescence for biochemical reaction analysis. This sensor can detect 3-10 femtomoles of labeled oligonucleotide in hybridization assays.

Area of Science:

  • Biochemistry
  • Analytical Chemistry
  • Sensor Technology

Background:

  • Biochemical reactions require sensitive and efficient analytical methods.
  • Existing fluorometers may lack multichannel capabilities for simultaneous analysis.
  • Evanescent field technology offers potential for sensitive optical detection.

Purpose of the Study:

  • To propose and demonstrate a novel multichannel fluorometer for biochemical analysis.
  • To investigate the use of evanescent field luminescence for enhanced sensitivity.
  • To enable simultaneous analysis of multiple samples in a single assay.

Main Methods:

  • Development of a multichannel sensor utilizing multiple reflection elements.
  • Implementation of luminescence generation within the evanescent field of a totally reflected laser beam.

Related Experiment Videos

  • Testing with fluorescein and Cy5 labels in a model oligonucleotide hybridization assay.

    • Main Results:

    • Demonstrated the applicability of the multichannel fluorometer.
    • Achieved detection of 3-10 femtomoles of injected fluorescently labeled oligonucleotide.
    • Confirmed multichannel operation with simultaneous application of different solutions.

    Conclusions:

    • The proposed multichannel fluorometer is effective for analyzing biochemical reactions.
    • Evanescent field luminescence provides a sensitive detection mechanism.
    • The sensor enables high-throughput analysis of oligonucleotide hybridization.