Affiliation:
1. IBM Research–Zurich, 8803 Rüschlikon, Switzerland.
Abstract
Shaking the small from the even smaller
Gently oscillate a can of mixed nuts, and eventually the larger Brazil nuts will rise to the top. Skaug
et al.
created three-dimensional patterned surfaces to which they applied electric fields. Combined with gentle shaking to induce a rocking Brownian motion, they were able to guide particles smaller than 100 nm along complicated paths. They could also quickly separate particles with different sizes and shapes.
Science
, this issue p.
1505
Funder
European Commission
European Research Council
Swiss National Science Foundation
Publisher
American Association for the Advancement of Science (AAAS)
Cited by
103 articles.
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