Journal
NANOPHOTONICS
Volume 8, Issue 3, Pages 475-485Publisher
WALTER DE GRUYTER GMBH
DOI: 10.1515/nanoph-2018-0226
Keywords
thermophoresis; optical tweezers; nanoparticle trapping
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Funding
- Army Research Office [W911NF-171-0561]
- National Aeronautics and Space Administration Early Career Faculty Award [80NSSC17K0520]
- National Institute of General Medical Sciences of the National Institutes of Health [DP2GM128446]
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Recent advances in opto-thermophoretic tweezers open new avenues for low-power trapping and manipulation of nanoparticles with potential applications in colloidal assembly, nanomanufacturing, life sciences, and nanomedicine. However, to fully exploit the opto-thermophoretic tweezers for widespread applications, the enhancement of their versatility in nanoparticle manipulations is pivotal. For this purpose, we translate our newly developed opto-thermophoretic tweezers onto an optical fiber platform known as opto-thermophoretic fiber tweezers (OTFT). We have demonstrated the applications of OTFT as a nanoparticle concentrator, as a nanopipette for single particle delivery, and as a nanoprobe. The simple setup and functional versatility of OTFT would encourage its use in various fields such as additive manufacturing, single nanoparticle-cell interactions, and biosensing.
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