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. 2018 Feb 27;18(3):710. doi: 10.3390/s18030710

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© 2018 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Snapshot sequence showing trapping and manipulation of living yeast cells using the polymeric tip. (A) A yeast cell is stably trapped in front of the tip. (B) The trapped yeast cell was moved along the −y direction—white arrow—(please consider cluster A as reference). (C) Yeast B moves to the right to the position of the polymeric lens beam focal spot (black arrow), being also trapped. (D) Both yeast cells are moved to the right (+x direction) and along the +y direction-white and black arrows by moving the polymeric optical fiber tip.