Ultrafast Gas Chromatography on Single-Wall Carbon Nanotube Stationary Phases in Microfabricated Channels
The key to rapid temperature programmed separations with gas chromatography are a fast, low-volume injection and a short microbore separation column with fast resistive heating. One of the major problems with the reduction of column dimensions for micro gas chromatography is the availability of a st...
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| Veröffentlicht in: | Analytical chemistry (Washington) 2006-08, Vol.78 (16), p.5639-5644 |
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| container_title | Analytical chemistry (Washington) |
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| creator | Stadermann, Michael McBrady, Adam D Dick, Brian Reid, Vanessa R Noy, Aleksandr Synovec, Robert E Bakajin, Olgica |
| description | The key to rapid temperature programmed separations with gas chromatography are a fast, low-volume injection and a short microbore separation column with fast resistive heating. One of the major problems with the reduction of column dimensions for micro gas chromatography is the availability of a stationary phase that provides good separation performance. In this report, we present the first integration of single-wall carbon nanotubes (SWNTs) as a stationary phase into 100 μm × 100 μm square and 50-cm-long microfabricated channels. The small size of this column with integrated resistive heater and the robustness of the SWNT phase allow for fast temperature programming of up to 60 °C/s. A combination of the fast temperature programming and the narrow peak width of small-volume injections that can be obtained from a high-speed, dual-valve injection system allows for rapid separations of gas mixtures. We demonstrate highly reproducible separations of four-compound test mixtures on these columns in less than 1 s using fast temperature programming. |
| doi_str_mv | 10.1021/ac060266+ |
| format | Article |
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One of the major problems with the reduction of column dimensions for micro gas chromatography is the availability of a stationary phase that provides good separation performance. In this report, we present the first integration of single-wall carbon nanotubes (SWNTs) as a stationary phase into 100 μm × 100 μm square and 50-cm-long microfabricated channels. The small size of this column with integrated resistive heater and the robustness of the SWNT phase allow for fast temperature programming of up to 60 °C/s. A combination of the fast temperature programming and the narrow peak width of small-volume injections that can be obtained from a high-speed, dual-valve injection system allows for rapid separations of gas mixtures. 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We demonstrate highly reproducible separations of four-compound test mixtures on these columns in less than 1 s using fast temperature programming.</description><subject>Analytical chemistry</subject><subject>Chemistry</subject><subject>Chromatographic methods and physical methods associated with chromatography</subject><subject>Chromatography</subject><subject>Exact sciences and technology</subject><subject>Gas chromatographic methods</subject><subject>Gas separation</subject><subject>Nanotubes</subject><subject>Temperature effects</subject><issn>0003-2700</issn><issn>1520-6882</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNpl0F1rFDEUBuAgit1WL_wDMogVQUZPJpuPvdRBq9DVwm4teBNOZs90p53NrEkG7L83ZVcX9Cpw8vByzsvYMw5vOVT8HTagoFLqzQM24bKCUhlTPWQTABBlpQGO2HGMNwCcA1eP2RFXM1Aa1IR1l30K2GJMxRnGol6HYYNpuA64Xd8Vgy8Wnb_uqbzCvi9qDC6PvqIf0uioWCRM3eAx3BUXa4wUi84X864JQ4sudA0mWuVI9J76-IQ9arGP9HT_nrDLTx-X9efy_NvZl_r9eYlTkKlE2UpFSrh2xlutFDijOMFsxR0XgASAU6M5kZPaGUeCpOCNmWHFjaR2JU7Yq13uNgw_R4rJbrrYUN-jp2GMVhk9lVqYDF_8A2-GMfi8m624NpnBPXq9Q_moGAO1dhu6Tb7YcrD35ds_5Wf6fJ83ug2tDnBfdgane4Cxwb4N6JsuHpwBKcxMZ1fuXBcT_fr7j-HWKi20tMuLhf2xvKrF9_kHO8_-5c5jEw83_Lffb4JwpjE</recordid><startdate>20060815</startdate><enddate>20060815</enddate><creator>Stadermann, Michael</creator><creator>McBrady, Adam D</creator><creator>Dick, Brian</creator><creator>Reid, Vanessa R</creator><creator>Noy, Aleksandr</creator><creator>Synovec, Robert E</creator><creator>Bakajin, Olgica</creator><general>American Chemical Society</general><scope>BSCLL</scope><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QO</scope><scope>7QQ</scope><scope>7SC</scope><scope>7SE</scope><scope>7SP</scope><scope>7SR</scope><scope>7TA</scope><scope>7TB</scope><scope>7TM</scope><scope>7U5</scope><scope>7U7</scope><scope>7U9</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>H94</scope><scope>JG9</scope><scope>JQ2</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>P64</scope><scope>7X8</scope></search><sort><creationdate>20060815</creationdate><title>Ultrafast Gas Chromatography on Single-Wall Carbon Nanotube Stationary Phases in Microfabricated Channels</title><author>Stadermann, Michael ; 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| subjects | Analytical chemistry Chemistry Chromatographic methods and physical methods associated with chromatography Chromatography Exact sciences and technology Gas chromatographic methods Gas separation Nanotubes Temperature effects |
| title | Ultrafast Gas Chromatography on Single-Wall Carbon Nanotube Stationary Phases in Microfabricated Channels |
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