Webinars: NanoFrazor

Transport and assembly of nano particles inside a t-SPL patterned nanofluidic slit

Speaker: Dr Francesca Ruggeri, IBM Zurich

Takeaways:

  • Nanopatterning creates a 2D landscape for nanoparticle trapping in solution
  • Transport and manipulation of nanoparticles and biomolecules in a nanofluidic slit
  • Assembly of nanoparticles with high accuracy
  • Control on the orientation of asymmetric nano-objects
  • Sorting of nanoparticles with nm-precision

 

Presentation: 30 min

Q&A: 15 min

 

Abstract

We present a method for nanoparticle assembly based on geometry-induced electrostatic trapping inside a nanofluidic slit. One side of the slit is made of glass, whilst the other is a polymer surface patterned with t-SPL. The electrical double layer translates the topography into an effective electrostatic potential, used to trap and manipulate nano-objects within the slit such as nanospheres and biological membranes. The interaction potential increases upon reduction of the slit height until the nano-objects jump into contact with the polymer surface with an accuracy of < 10 nm to the target sites and control over their orientation.

Speaker's Bio

Francesca Ruggeri is a PostDoc at IBM Research, Zurich, in the Department of Science and Technology. She holds a M.Sc. in Nanotechnology Engineering from La Sapienza, University of Rome, and completed a PhD in Physical Chemistry at the University of Zurich. Her research interests include nanofabrication, optics and biochemical interactions at the nanoscale.

 

Webinar Series description

The “NanoFrazor Technology” webinars will explain the main features and limitations of NanoFrazor lithography. They will be hosted by the key experts of our R&D teams. You will learn how our technology works, and where and why it is superior or inferior to conventional nanolithography techniques. We will also share the results and insights of our ongoing development projects.

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