Connecting and disconnecting nematic disclination lines in microfluidic channels
Disclination lines in nematic liquid crystals can be used as "soft rails" for the transport of colloids or droplets through microfluidic channels [A. Sengupta, C. Bahr and S. Herminghaus, Soft Matter , 2013, 9 , 7251]. In the present study we report on a method to connect and disconnect di...
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| Veröffentlicht in: | Soft matter 2016-01, Vol.12 (18), p.4266-4273 |
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| container_title | Soft matter |
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| creator | Agha, Hakam Bahr, Christian |
| description | Disclination lines in nematic liquid crystals can be used as "soft rails" for the transport of colloids or droplets through microfluidic channels [A. Sengupta, C. Bahr and S. Herminghaus,
Soft Matter
, 2013,
9
, 7251]. In the present study we report on a method to connect and disconnect disclination lines in microfluidic channels using the interplay between anchoring, flow, and electric field. We show that the application of an electric field establishes a continuous disclination that spans across a channel region in which a disclination usually would not exist (because of different anchoring conditions), demonstrating an interruptible and reconnectable soft rail for colloidal transport.
Using the interplay between anchoring, flow and electric field, nematic disclination lines in microfluidic channels can be connected and disconnected. |
| doi_str_mv | 10.1039/c5sm03092g |
| format | Article |
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Soft Matter
, 2013,
9
, 7251]. In the present study we report on a method to connect and disconnect disclination lines in microfluidic channels using the interplay between anchoring, flow, and electric field. We show that the application of an electric field establishes a continuous disclination that spans across a channel region in which a disclination usually would not exist (because of different anchoring conditions), demonstrating an interruptible and reconnectable soft rail for colloidal transport.
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Soft Matter
, 2013,
9
, 7251]. In the present study we report on a method to connect and disconnect disclination lines in microfluidic channels using the interplay between anchoring, flow, and electric field. We show that the application of an electric field establishes a continuous disclination that spans across a channel region in which a disclination usually would not exist (because of different anchoring conditions), demonstrating an interruptible and reconnectable soft rail for colloidal transport.
Using the interplay between anchoring, flow and electric field, nematic disclination lines in microfluidic channels can be connected and disconnected.</description><subject>Anchoring</subject><subject>Channels</subject><subject>Disclinations</subject><subject>Droplets</subject><subject>Electric fields</subject><subject>Microfluidics</subject><subject>Rails</subject><subject>Transport</subject><issn>1744-683X</issn><issn>1744-6848</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNqFkUtLxDAUhYMozji6ca90KcJo0qR5LKXoKIwoqOCupMntGGnTsWkX_nszD8elqxxOvhzuPUHolOArgqm6NlloMMUqXeyhMRGMTblkcn-n6fsIHYXwiTGVjPBDNEoFFopkZIye89Z7ML3zi0R7m1gXzJ_jodG9M2u3dj7q1idRQEicTxpnuraqB2cjYj50fFaHY3RQ6TrAyfacoLe729f8fjp_mj3kN_OpoSztp1aVRIrUguKcUcUMZybVJXCuuQJQmaQ4M9rS6FFFeJXKUoACRaWyODV0gi42ucuu_Rog9EUTh4S61h7aIRREEo4FZpz_jwopmOBUrNDLDRo3C6GDqlh2rtHdd0FwsSq7yLOXx3XZswifb3OHsgG7Q3_bjcDZBuiC2d3-_Rb9AeRahF0</recordid><startdate>20160101</startdate><enddate>20160101</enddate><creator>Agha, Hakam</creator><creator>Bahr, Christian</creator><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20160101</creationdate><title>Connecting and disconnecting nematic disclination lines in microfluidic channels</title><author>Agha, Hakam ; Bahr, Christian</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c342t-d9b1872de9664394c64c2abe66a69ee958305cad3abe3916f28b7e9e9389d02c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Anchoring</topic><topic>Channels</topic><topic>Disclinations</topic><topic>Droplets</topic><topic>Electric fields</topic><topic>Microfluidics</topic><topic>Rails</topic><topic>Transport</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Agha, Hakam</creatorcontrib><creatorcontrib>Bahr, Christian</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Soft matter</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Agha, Hakam</au><au>Bahr, Christian</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Connecting and disconnecting nematic disclination lines in microfluidic channels</atitle><jtitle>Soft matter</jtitle><addtitle>Soft Matter</addtitle><date>2016-01-01</date><risdate>2016</risdate><volume>12</volume><issue>18</issue><spage>4266</spage><epage>4273</epage><pages>4266-4273</pages><issn>1744-683X</issn><eissn>1744-6848</eissn><abstract>Disclination lines in nematic liquid crystals can be used as "soft rails" for the transport of colloids or droplets through microfluidic channels [A. Sengupta, C. Bahr and S. Herminghaus,
Soft Matter
, 2013,
9
, 7251]. In the present study we report on a method to connect and disconnect disclination lines in microfluidic channels using the interplay between anchoring, flow, and electric field. We show that the application of an electric field establishes a continuous disclination that spans across a channel region in which a disclination usually would not exist (because of different anchoring conditions), demonstrating an interruptible and reconnectable soft rail for colloidal transport.
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| fulltext | fulltext |
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| ispartof | Soft matter, 2016-01, Vol.12 (18), p.4266-4273 |
| issn | 1744-683X 1744-6848 |
| language | eng |
| recordid | cdi_pubmed_primary_27079151 |
| source | Royal Society Of Chemistry Journals; Alma/SFX Local Collection |
| subjects | Anchoring Channels Disclinations Droplets Electric fields Microfluidics Rails Transport |
| title | Connecting and disconnecting nematic disclination lines in microfluidic channels |
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