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A portable array biosensor for detecting multiple analytes in complex samples.

C R Taitt1, J P Golden, Y S Shubin

  • 1Center for Bio/Molecular Science and Engineering, Naval Research Laboratory, Washington, DC 20375-5348, USA. crtaitt@cbmse.nrl.navy.mil

Microbial Ecology
|February 7, 2004
PubMed
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The Multi-Analyte Array Biosensor (MAAB) offers rapid, simultaneous detection of multiple agents like bacteria and toxins in complex samples. Recent advancements enable a "plug-and-play" approach with minimal user intervention for faster analysis.

Area of Science:

  • Biotechnology
  • Analytical Chemistry
  • Biosensor Technology

Background:

  • The Multi-Analyte Array Biosensor (MAAB) was developed at the Naval Research Laboratory (NRL) for simultaneous detection of multiple targets.
  • Previous iterations required significant user manipulation for sample analysis.

Purpose of the Study:

  • To report recent biochemical and engineering improvements to the MAAB.
  • To expand the MAAB's capability for detecting a wider range of analytes and sample matrices.
  • To demonstrate a simplified, "plug-and-play" methodology for rapid analysis.

Main Methods:

  • Improvements focused on biochemical assay components and instrument engineering.
  • Expanded analyte detection to include bacterial pathogens (Salmonella typhimurium, Listeria monocytogenes).

Related Experiment Videos

  • Developed a novel fluidics cube module for simultaneous detection of multiple toxins (ricin, staphylococcal enterotoxin B, cholera toxin).

    • Main Results:

    • Demonstrated "plug-and-play" methodology with pre-prepared biochemical assay components.
    • Successfully detected bacterial pathogens in diverse sample matrices.
    • Achieved simultaneous toxin detection with minimal sample loading steps.
    • Validated the MAAB for rapid, multianalyte analysis of complex samples.

    Conclusions:

    • Recent advancements significantly enhance the MAAB's utility for complex sample analysis.
    • The improved MAAB offers multianalyte detection with minimal operator manipulation.
    • The "plug-and-play" system streamlines biosensing workflows for increased efficiency and speed.