Kotnala Abhay, Zheng Yuebing
Department of Mechanical Engineering, Materials Science and Engineering Program and Texas Materials Institute, The University of Texas at Austin, Austin, TX 78712, USA.
Nanophotonics. 2019 Mar;8(3):475-485. doi: 10.1515/nanoph-2018-0226. Epub 2019 Feb 12.
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.
光热泳镊子的最新进展为低功率捕获和操纵纳米颗粒开辟了新途径，在胶体组装、纳米制造、生命科学和纳米医学等领域具有潜在应用。然而，为了充分利用光热泳镊子进行广泛应用，提高其在纳米颗粒操纵中的多功能性至关重要。为此，我们将新开发的光热泳镊子转移到一种称为光热泳光纤镊子（OTFT）的光纤平台上。我们已经展示了OTFT作为纳米颗粒浓缩器、用于单颗粒递送的纳米移液器和纳米探针的应用。OTFT简单的设置和功能的多功能性将促使其在增材制造、单个纳米颗粒与细胞相互作用和生物传感等各个领域得到应用。
