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DNA-library assembly programmed by on-demand nano-liter droplets from a custom microfluidic chip
Nanoscale synthetic biology can benefit from programmable nanoliter-scale processing of DNA in microfluidic chips if they are interfaced effectively to biochemical arrays such as microwell plates. Whereas active microvalve chips require complex fabrication and operation, we show here how a passive a...
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Published in: | Biomicrofluidics 2015-07, Vol.9 (4), p.044103-044103 |
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creator | Tangen, Uwe Minero, Gabriel Antonio S Sharma, Abhishek Wagler, Patrick F Cohen, Rafael Raz, Ofir Marx, Tzipy Ben-Yehezkel, Tuval McCaskill, John S |
description | Nanoscale synthetic biology can benefit from programmable nanoliter-scale processing of DNA in microfluidic chips if they are interfaced effectively to biochemical arrays such as microwell plates. Whereas active microvalve chips require complex fabrication and operation, we show here how a passive and readily fabricated microchip can be employed for customizable nanoliter scale pipetting and reaction control involving DNA. This recently developed passive microfluidic device, supporting nanoliter scale combinatorial droplet generation and mixing, is here used to generate a DNA test library with one member per droplet exported to addressed locations on microwell plates. Standard DNA assembly techniques, such as Gibson assembly, compatible with isothermal on-chip operation, are employed and checked using off-chip PCR and assembly PCR. The control of output droplet sequences and mixing performance was verified using dyes and fluorescently labeled DNA solutions, both on-chip and in external capillary channels. Gel electrophoresis of products and DNA sequencing were employed to further verify controlled combination and functional enzymatic assembly. The scalability of the results to larger DNA libraries is also addressed by combinatorial input expansion using sequential injection plugs from a multiwell plate. Hence, the paper establishes a proof of principle of the production of functional combinatorial mixtures at the nanoliter scale for one sequence per well DNA libraries. |
doi_str_mv | 10.1063/1.4926616 |
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Whereas active microvalve chips require complex fabrication and operation, we show here how a passive and readily fabricated microchip can be employed for customizable nanoliter scale pipetting and reaction control involving DNA. This recently developed passive microfluidic device, supporting nanoliter scale combinatorial droplet generation and mixing, is here used to generate a DNA test library with one member per droplet exported to addressed locations on microwell plates. Standard DNA assembly techniques, such as Gibson assembly, compatible with isothermal on-chip operation, are employed and checked using off-chip PCR and assembly PCR. The control of output droplet sequences and mixing performance was verified using dyes and fluorescently labeled DNA solutions, both on-chip and in external capillary channels. Gel electrophoresis of products and DNA sequencing were employed to further verify controlled combination and functional enzymatic assembly. The scalability of the results to larger DNA libraries is also addressed by combinatorial input expansion using sequential injection plugs from a multiwell plate. 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Whereas active microvalve chips require complex fabrication and operation, we show here how a passive and readily fabricated microchip can be employed for customizable nanoliter scale pipetting and reaction control involving DNA. This recently developed passive microfluidic device, supporting nanoliter scale combinatorial droplet generation and mixing, is here used to generate a DNA test library with one member per droplet exported to addressed locations on microwell plates. Standard DNA assembly techniques, such as Gibson assembly, compatible with isothermal on-chip operation, are employed and checked using off-chip PCR and assembly PCR. The control of output droplet sequences and mixing performance was verified using dyes and fluorescently labeled DNA solutions, both on-chip and in external capillary channels. Gel electrophoresis of products and DNA sequencing were employed to further verify controlled combination and functional enzymatic assembly. The scalability of the results to larger DNA libraries is also addressed by combinatorial input expansion using sequential injection plugs from a multiwell plate. Hence, the paper establishes a proof of principle of the production of functional combinatorial mixtures at the nanoliter scale for one sequence per well DNA libraries.</description><subject>Assembly</subject><subject>Chip formation</subject><subject>Combinatorial analysis</subject><subject>Deoxyribonucleic acid</subject><subject>DNA</subject><subject>Droplets</subject><subject>Electrophoresis</subject><subject>Gene sequencing</subject><subject>Plates (structural members)</subject><subject>Plugs</subject><subject>Reaction control</subject><subject>Regular</subject><issn>1932-1058</issn><issn>1932-1058</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNpdkUtLxDAUhYMoOo4u_AMScKOLjrlJ2k43wjA-QXSj65hXNdI2NWmF-fdGHEVd3QP343DuPQgdAJkBKdgpzHhFiwKKDTSBitEMSD7f_KV30G6Mr4TkUFK6jXZoQSlANZ-gp_O7RdY4FWRYYRmjbVWzwn3wz0G2rTVYrbDvMmNb2Rncyc4nerABm-D7xg4R18G3WGI9xiGJ1ung62Z0xmmsX1y_h7Zq2US7v55T9Hh58bC8zm7vr26Wi9tMc8KGDEqrC9CMmdzOmamIsjmfKyJrU5aSAWeGE8JpzmnaKaUJqIJRnXDIS03ZFJ19-fajSrm17YYgG9EH16bThJdO_N107kU8-3fBeVURnieD47VB8G-jjYNoXdS2aWRn_RgFlIQwxgvGE3r0D331Y-jSeYIC5QA58CpRJ19U-kiMwdY_YYCIz94EiHVviT38nf6H_C6KfQD4Z5K6</recordid><startdate>20150701</startdate><enddate>20150701</enddate><creator>Tangen, Uwe</creator><creator>Minero, Gabriel Antonio S</creator><creator>Sharma, Abhishek</creator><creator>Wagler, Patrick F</creator><creator>Cohen, Rafael</creator><creator>Raz, Ofir</creator><creator>Marx, Tzipy</creator><creator>Ben-Yehezkel, Tuval</creator><creator>McCaskill, John S</creator><general>American Institute of Physics</general><general>AIP Publishing LLC</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0002-2123-4768</orcidid><orcidid>https://orcid.org/0000-0002-3408-7357</orcidid></search><sort><creationdate>20150701</creationdate><title>DNA-library assembly programmed by on-demand nano-liter droplets from a custom microfluidic chip</title><author>Tangen, Uwe ; Minero, Gabriel Antonio S ; Sharma, Abhishek ; Wagler, Patrick F ; Cohen, Rafael ; Raz, Ofir ; Marx, Tzipy ; Ben-Yehezkel, Tuval ; McCaskill, John S</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c403t-17ec61c33d5e83d90be548b0afd77a3143d4004254290bbbc01b632cd5e157c23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Assembly</topic><topic>Chip formation</topic><topic>Combinatorial analysis</topic><topic>Deoxyribonucleic acid</topic><topic>DNA</topic><topic>Droplets</topic><topic>Electrophoresis</topic><topic>Gene sequencing</topic><topic>Plates (structural members)</topic><topic>Plugs</topic><topic>Reaction control</topic><topic>Regular</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tangen, Uwe</creatorcontrib><creatorcontrib>Minero, Gabriel Antonio S</creatorcontrib><creatorcontrib>Sharma, Abhishek</creatorcontrib><creatorcontrib>Wagler, Patrick F</creatorcontrib><creatorcontrib>Cohen, Rafael</creatorcontrib><creatorcontrib>Raz, Ofir</creatorcontrib><creatorcontrib>Marx, Tzipy</creatorcontrib><creatorcontrib>Ben-Yehezkel, Tuval</creatorcontrib><creatorcontrib>McCaskill, John S</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Biomicrofluidics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tangen, Uwe</au><au>Minero, Gabriel Antonio S</au><au>Sharma, Abhishek</au><au>Wagler, Patrick F</au><au>Cohen, Rafael</au><au>Raz, Ofir</au><au>Marx, Tzipy</au><au>Ben-Yehezkel, Tuval</au><au>McCaskill, John S</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>DNA-library assembly programmed by on-demand nano-liter droplets from a custom microfluidic chip</atitle><jtitle>Biomicrofluidics</jtitle><addtitle>Biomicrofluidics</addtitle><date>2015-07-01</date><risdate>2015</risdate><volume>9</volume><issue>4</issue><spage>044103</spage><epage>044103</epage><pages>044103-044103</pages><issn>1932-1058</issn><eissn>1932-1058</eissn><notes>ObjectType-Article-1</notes><notes>SourceType-Scholarly Journals-1</notes><notes>ObjectType-Feature-2</notes><notes>content type line 23</notes><notes>Author to whom correspondence should be addressed. Electronic mail: john.mccaskill@rub.de</notes><abstract>Nanoscale synthetic biology can benefit from programmable nanoliter-scale processing of DNA in microfluidic chips if they are interfaced effectively to biochemical arrays such as microwell plates. Whereas active microvalve chips require complex fabrication and operation, we show here how a passive and readily fabricated microchip can be employed for customizable nanoliter scale pipetting and reaction control involving DNA. This recently developed passive microfluidic device, supporting nanoliter scale combinatorial droplet generation and mixing, is here used to generate a DNA test library with one member per droplet exported to addressed locations on microwell plates. Standard DNA assembly techniques, such as Gibson assembly, compatible with isothermal on-chip operation, are employed and checked using off-chip PCR and assembly PCR. The control of output droplet sequences and mixing performance was verified using dyes and fluorescently labeled DNA solutions, both on-chip and in external capillary channels. Gel electrophoresis of products and DNA sequencing were employed to further verify controlled combination and functional enzymatic assembly. The scalability of the results to larger DNA libraries is also addressed by combinatorial input expansion using sequential injection plugs from a multiwell plate. Hence, the paper establishes a proof of principle of the production of functional combinatorial mixtures at the nanoliter scale for one sequence per well DNA libraries.</abstract><cop>United States</cop><pub>American Institute of Physics</pub><pmid>26221198</pmid><doi>10.1063/1.4926616</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0002-2123-4768</orcidid><orcidid>https://orcid.org/0000-0002-3408-7357</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | Assembly Chip formation Combinatorial analysis Deoxyribonucleic acid DNA Droplets Electrophoresis Gene sequencing Plates (structural members) Plugs Reaction control Regular |
title | DNA-library assembly programmed by on-demand nano-liter droplets from a custom microfluidic chip |
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