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Related Experiment Videos

Ultra-high-throughput microarray generation and liquid dispensing using multiple disposable piezoelectric ejectors.

Huangpin Ben Hsieh1, John Fitch, Dave White

  • 1Palo Alto Research Center, Palo Alto, CA 94304, USA. ben@parc.com

Journal of Biomolecular Screening
|March 10, 2004
PubMed
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This study introduces a 12-unit piezoelectric ejector array for biological material printing. The system demonstrates reliable fluid dispensing across various conditions, enabling ultra-high-throughput array generation.

Area of Science:

  • Biotechnology
  • Microfluidics
  • Materials Science

Background:

  • Advancements in biological material printing require precise and high-throughput dispensing technologies.
  • Existing methods may face limitations in environmental adaptability and long-term storage capabilities.

Purpose of the Study:

  • To develop and characterize a novel array of piezoelectric ejectors for biological material printing.
  • To assess the reliability and performance of the ejector system under diverse environmental conditions.
  • To explore the potential applications in ultra-high-throughput array generation and sample storage.

Main Methods:

  • Construction of a 12-ejector array with individual reservoirs.
  • Testing of ejector performance with various fluids in controlled and ambient environments (humidity, temperature).

Related Experiment Videos

  • Integration of the array with an X-Y stage for patterned printing.
  • Preparation of biological solutions for array fabrication.

    • Main Results:

    • Demonstrated reliable drop ejection from piezoelectric ejectors in varied humidity and temperature conditions.
    • Achieved consistent performance over extended operational periods.
    • Successfully printed arrays of biological materials using a prototype system.
    • Characterized single-ejector dimensions and reservoir volumes.

    Conclusions:

    • The piezoelectric ejector array offers a robust platform for ultra-high-throughput biological material printing.
    • The system's reliability across environmental conditions supports its use in diverse laboratory settings.
    • Potential applications include long-term storage of biomolecules and cell libraries, minimizing contamination and loss.