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Related Experiment Videos

High-throughput array production using precision glass syringes.

J Shieh1, C To, J Carramao

  • 1Robbins Scientific Corporation, Sunnyvale, CA 94089-2213, USA.

Biotechniques
|June 21, 2002
PubMed
Summary
This summary is machine-generated.

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Precision glass syringes in automated microdispensers create uniform DNA and protein arrays on filters and slides. This high-throughput method ensures reproducible spot quality for various biological applications.

Area of Science:

  • Biotechnology
  • Genomics
  • Proteomics

Background:

  • Automated liquid handling systems are crucial for high-throughput biological assays.
  • Achieving uniform and reproducible spot deposition is essential for array-based applications.
  • Traditional methods may face challenges in precision and speed for large-scale array production.

Purpose of the Study:

  • To evaluate the advantages of using precision glass syringes (1, 96, or 384) in automated microdispensers.
  • To demonstrate the creation of uniform and reproducible DNA, protein, and organic compound arrays.
  • To assess the efficiency and speed of high-throughput microspotting.

Main Methods:

  • Utilized the Hydra Microdispenser and Tango Liquid Handling system with precision glass syringes.

Related Experiment Videos

  • Spotted PCR-amplified genes (0.1-5 ng) and protein solutions (50 µg/mL to 1 mg/mL) onto nylon membranes, coated slides, and 96-well plates.
  • Quantified spot size uniformity and reproducibility, achieving less than 5% precision variation.

    • Main Results:

    • Demonstrated the capability to print up to 6144 spots/membrane and 1000 spots/slide.
    • Achieved highly uniform and reproducible spot sizes across different substrates and batches.
    • The Tango 384 system produced ten 6144-spot filters in approximately 25 minutes, a rate of 2.5 min/membrane.

    Conclusions:

    • Precision glass syringes are advantageous for automated high-throughput microdispensing.
    • The described method ensures high uniformity and reproducibility in creating DNA and protein arrays.
    • This technology offers a rapid and efficient solution for large-scale array filter and slide production.