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Laboratory of Nanoscale Biology

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    • Electron diffraction of biological specimens
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Ultrasound Mechanobiology

Development of nanoscale acoustic tweezers

In this PhD project awareded by the Swiss Nanoscience Institute, Uni. Basel, we explore ultrasound mechano-biology and mechano-genomics by developing nanoscale acsoutic tweezers (ATZs) for non-invasive intracellular manipulation in collaboration with Prof. Rodelick Lim, Biozentrum, Uni. Basel.

Development of Ultrasonic Acoustic Levitation Diffractometer

Ultrasonic acoustic levitation diffractometer (ALD) is a novel tool for protein crystallography experiments combining the acoustic levitation, fast-frame-rate X-ray image detector, and high-brightness X-ray source. We aim at realizing a high-speed, high-sample-efficiency, high-throughput crystallography tool at room temperature. The ALD is being developed at the protein crystallography beamline PX1 at XSA06, Swiss Light Source. 

Schematic overview of ALD
Acoustic levitation diffractometer (ALD): a highly brilliant X-ray beam irradiates the sample in an acoustically levitated droplet. The X-ray diffraction images from all the crystal orientations are continuously captured by the fast-frame-rate pixelated X-ray image detector, while the sample is rotated within the droplet via acoustic streaming [1].

See also

  • "Ultrasonic acoustic levitation for fast frame rate X-ray protein crystallography at room temperature" published in Scientific Reports and Scientific Highlight.
  • "Acoustic levitation and rotation of thin films and their application for room temperature protein crystallography" published in Scientific Reports and Scientific Highlight with a video showing how easy to load these films onto an acoustic levitator.
ald-film

Other projects by S. Tsujino:

  • Coherent electron source and wavefront engineering
  • Vacuum nanoelectronics

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Contact

Dr. Soichiro Tsujino

Paul Scherrer Institut
5232 Villigen PSI
Switzerland

Telephone:
+41 56 310 2304
Telefax:
+41 56 310 2646
E-mail:
soichiro.tsujino@psi.ch

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Paul Scherrer Institut

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Telefax: +41 56 310 21 99

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