Size-tunable capture of mesoscopic matters using thermocapillary vortex
The hydrodynamics in lab-on-a-chip provides an efficient and tunable platform for manipulating mesoscopic particles. Current capture-tunable technology has been mainly focused on inertial flow with little attention on a thermocapillary vortex. The boundary condition is one of the most important fact...
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Veröffentlicht in: | Applied physics letters 2018-09, Vol.113 (13) |
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creator | Yang, Jianxin Li, Zongbao Wang, Haiyan Weng, Zhe Li, Yuqi Cai, Xiang Hu, Xiaowen Jiang, Xiaofang Chen, Yilin Liu, Shaojing Xue, Sheng Yan, Zhibin He, Sailing Xing, Xiaobo |
description | The hydrodynamics in lab-on-a-chip provides an efficient and tunable platform for manipulating mesoscopic particles. Current capture-tunable technology has been mainly focused on inertial flow with little attention on a thermocapillary vortex. The boundary condition is one of the most important factors on particle manipulation in a microvortex. By integrating a photothermal waveguide with a triangular channel in lab-on-a-chip, we present a tunable microvortex array for achieving size-tunable capture. Ellipticity of the temperature field and intensity of vortices are continuously adjustable by moving the photothermal waveguide along the triangular channel, resulting in tunable particle trajectories. Particles can be trapped in a vortex center and driven out of the vortex along with external flow. The detailed theoretical results reveal that a threshold size of trapped particles can be adjustable by the channel width. We believe that the approach, the thermocapillary vortex on chip, will provide a facile way for seamless connection between photonics and microfluidics. |
doi_str_mv | 10.1063/1.5037862 |
format | Article |
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Current capture-tunable technology has been mainly focused on inertial flow with little attention on a thermocapillary vortex. The boundary condition is one of the most important factors on particle manipulation in a microvortex. By integrating a photothermal waveguide with a triangular channel in lab-on-a-chip, we present a tunable microvortex array for achieving size-tunable capture. Ellipticity of the temperature field and intensity of vortices are continuously adjustable by moving the photothermal waveguide along the triangular channel, resulting in tunable particle trajectories. Particles can be trapped in a vortex center and driven out of the vortex along with external flow. The detailed theoretical results reveal that a threshold size of trapped particles can be adjustable by the channel width. We believe that the approach, the thermocapillary vortex on chip, will provide a facile way for seamless connection between photonics and microfluidics.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/1.5037862</identifier><identifier>CODEN: APPLAB</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Applied physics ; Boundary conditions ; Ellipticity ; Fluid dynamics ; Fluid flow ; Hydrodynamics ; Microfluidics ; Particle trajectories ; Photonics ; Temperature distribution ; Trapped particles ; Vortices</subject><ispartof>Applied physics letters, 2018-09, Vol.113 (13)</ispartof><rights>Author(s)</rights><rights>2018 Author(s). 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Current capture-tunable technology has been mainly focused on inertial flow with little attention on a thermocapillary vortex. The boundary condition is one of the most important factors on particle manipulation in a microvortex. By integrating a photothermal waveguide with a triangular channel in lab-on-a-chip, we present a tunable microvortex array for achieving size-tunable capture. Ellipticity of the temperature field and intensity of vortices are continuously adjustable by moving the photothermal waveguide along the triangular channel, resulting in tunable particle trajectories. Particles can be trapped in a vortex center and driven out of the vortex along with external flow. The detailed theoretical results reveal that a threshold size of trapped particles can be adjustable by the channel width. We believe that the approach, the thermocapillary vortex on chip, will provide a facile way for seamless connection between photonics and microfluidics.</description><subject>Applied physics</subject><subject>Boundary conditions</subject><subject>Ellipticity</subject><subject>Fluid dynamics</subject><subject>Fluid flow</subject><subject>Hydrodynamics</subject><subject>Microfluidics</subject><subject>Particle trajectories</subject><subject>Photonics</subject><subject>Temperature distribution</subject><subject>Trapped particles</subject><subject>Vortices</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNqd0MFKAzEQBuAgCtbqwTcIeFLYmmS6yfYoRatQ8KCeQ5qd6JbdzZpkRX16Iy149zQMfPwz_IScczbjTMI1n5UMVCXFAZlwplQBnFeHZMIYg0IuSn5MTmLc5rUUABOyemq-sUhjbzYtUmuGNAak3tEOo4_WD42lnUkJQ6RjbPpXmt4wdD7Lpm1N-KIfPiT8PCVHzrQRz_ZzSl7ubp-X98X6cfWwvFkXFoRKheQlglWushUKjlYouXFzEGIuS8v4xtTMyRpqYQ2yBdTglGLKsBKRWTe3MCUXu9wh-PcRY9JbP4Y-n9SC85yiFKisLnfKBh9jQKeH0HT5W82Z_u1Jc73vKdurnY22SSY1vv8fzj38QT3UDn4AzMB3Dw</recordid><startdate>20180924</startdate><enddate>20180924</enddate><creator>Yang, Jianxin</creator><creator>Li, Zongbao</creator><creator>Wang, Haiyan</creator><creator>Weng, Zhe</creator><creator>Li, Yuqi</creator><creator>Cai, Xiang</creator><creator>Hu, Xiaowen</creator><creator>Jiang, Xiaofang</creator><creator>Chen, Yilin</creator><creator>Liu, Shaojing</creator><creator>Xue, Sheng</creator><creator>Yan, Zhibin</creator><creator>He, Sailing</creator><creator>Xing, Xiaobo</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-8720-8175</orcidid><orcidid>https://orcid.org/0000-0002-3148-4277</orcidid></search><sort><creationdate>20180924</creationdate><title>Size-tunable capture of mesoscopic matters using thermocapillary vortex</title><author>Yang, Jianxin ; Li, Zongbao ; Wang, Haiyan ; Weng, Zhe ; Li, Yuqi ; Cai, Xiang ; Hu, Xiaowen ; Jiang, Xiaofang ; Chen, Yilin ; Liu, Shaojing ; Xue, Sheng ; Yan, Zhibin ; He, Sailing ; Xing, Xiaobo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c327t-615e3c7f8c8e21ec276bf4322465c01bad0f6d3d2cae093d3f7707a05ee0cf4c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Applied physics</topic><topic>Boundary conditions</topic><topic>Ellipticity</topic><topic>Fluid dynamics</topic><topic>Fluid flow</topic><topic>Hydrodynamics</topic><topic>Microfluidics</topic><topic>Particle trajectories</topic><topic>Photonics</topic><topic>Temperature distribution</topic><topic>Trapped particles</topic><topic>Vortices</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yang, Jianxin</creatorcontrib><creatorcontrib>Li, Zongbao</creatorcontrib><creatorcontrib>Wang, Haiyan</creatorcontrib><creatorcontrib>Weng, Zhe</creatorcontrib><creatorcontrib>Li, Yuqi</creatorcontrib><creatorcontrib>Cai, Xiang</creatorcontrib><creatorcontrib>Hu, Xiaowen</creatorcontrib><creatorcontrib>Jiang, Xiaofang</creatorcontrib><creatorcontrib>Chen, Yilin</creatorcontrib><creatorcontrib>Liu, Shaojing</creatorcontrib><creatorcontrib>Xue, Sheng</creatorcontrib><creatorcontrib>Yan, Zhibin</creatorcontrib><creatorcontrib>He, Sailing</creatorcontrib><creatorcontrib>Xing, Xiaobo</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yang, Jianxin</au><au>Li, Zongbao</au><au>Wang, Haiyan</au><au>Weng, Zhe</au><au>Li, Yuqi</au><au>Cai, Xiang</au><au>Hu, Xiaowen</au><au>Jiang, Xiaofang</au><au>Chen, Yilin</au><au>Liu, Shaojing</au><au>Xue, Sheng</au><au>Yan, Zhibin</au><au>He, Sailing</au><au>Xing, Xiaobo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Size-tunable capture of mesoscopic matters using thermocapillary vortex</atitle><jtitle>Applied physics letters</jtitle><date>2018-09-24</date><risdate>2018</risdate><volume>113</volume><issue>13</issue><issn>0003-6951</issn><eissn>1077-3118</eissn><coden>APPLAB</coden><abstract>The hydrodynamics in lab-on-a-chip provides an efficient and tunable platform for manipulating mesoscopic particles. Current capture-tunable technology has been mainly focused on inertial flow with little attention on a thermocapillary vortex. The boundary condition is one of the most important factors on particle manipulation in a microvortex. By integrating a photothermal waveguide with a triangular channel in lab-on-a-chip, we present a tunable microvortex array for achieving size-tunable capture. Ellipticity of the temperature field and intensity of vortices are continuously adjustable by moving the photothermal waveguide along the triangular channel, resulting in tunable particle trajectories. Particles can be trapped in a vortex center and driven out of the vortex along with external flow. The detailed theoretical results reveal that a threshold size of trapped particles can be adjustable by the channel width. We believe that the approach, the thermocapillary vortex on chip, will provide a facile way for seamless connection between photonics and microfluidics.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.5037862</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0002-8720-8175</orcidid><orcidid>https://orcid.org/0000-0002-3148-4277</orcidid></addata></record> |
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subjects | Applied physics Boundary conditions Ellipticity Fluid dynamics Fluid flow Hydrodynamics Microfluidics Particle trajectories Photonics Temperature distribution Trapped particles Vortices |
title | Size-tunable capture of mesoscopic matters using thermocapillary vortex |
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