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An All-in-one Sample Holder for Macromolecular X-ray Crystallography with Minimal Background Scattering07:55

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Related Experiment Video

Updated: Jan 20, 2026

An All-in-one Sample Holder for Macromolecular X-ray Crystallography with Minimal Background Scattering
07:55

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Reducing sample consumption for serial crystallography using acoustic drop ejection.

Bradley Davy1, Danny Axford1, John H Beale1

  • 1Diamond Light Source, Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0DE, UK.

Journal of Synchrotron Radiation
|September 7, 2019
PubMed
Summary
This summary is machine-generated.

Acoustic drop ejection for fixed targets improves serial crystallography sample delivery. This method significantly reduces sample consumption and increases diffraction data collection efficiency at X-ray sources.

Keywords:
acoustic dispensingfixed targetssample deliveryserial crystallography

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Area of Science:

  • Structural Biology
  • Biophysics
  • Crystallography

Background:

  • Efficient sample delivery is crucial for serial crystallography at synchrotrons and X-ray free-electron lasers.
  • Current methods face challenges in sample consumption and beam time utilization.

Purpose of the Study:

  • To present an optimized approach for loading fixed targets using acoustic drop ejection.
  • To demonstrate the method's effectiveness in enhancing serial crystallography workflows.

Main Methods:

  • Utilized acoustic drop ejection for precise loading of samples onto fixed target chips.
  • Implemented rastering of fixed target chips through the X-ray beam for serial data collection.
  • Analyzed crystal quality and diffraction data post-delivery.

Main Results:

  • Acoustic drop ejection loading did not compromise crystal quality.
  • Sample consumption was reduced by over an order of magnitude.
  • A larger proportion of crystals in the slurry yielded serial diffraction data.

Conclusions:

  • Acoustic drop ejection is a highly efficient method for serial crystallography sample delivery.
  • This technique conserves precious samples and maximizes data acquisition from X-ray sources.
  • The approach facilitates serial diffraction collection from a greater fraction of loaded crystals.