Transfer of Vertically Aligned Carbon Nanofibers to Polydimethylsiloxane (PDMS) While Maintaining their Alignment and Impalefection Functionality

被引:7
作者
Pearce, Ryan C. [1 ]
Railsback, Justin G. [1 ]
Anderson, Bryan D. [1 ]
Sarac, Mehmet F. [1 ]
McKnight, Timothy E. [2 ]
Tracy, Joseph B. [1 ]
Melechko, Anatoli V. [1 ]
机构
[1] N Carolina State Univ, Dept Mat Sci & Engn, Raleigh, NC 27695 USA
[2] Oak Ridge Natl Lab, Measurement Sci & Syst Engn Div, Oak Ridge, TN 37831 USA
基金
美国国家科学基金会;
关键词
carbon nanofibers; nickel; nanoparticles; catalyst; PECVD; transfection; nanomanufacturing; LARGE-SCALE SYNTHESIS; ARRAYS; ELECTRODES; PLASMA; GROWTH; FABRICATION; EMISSION; DNA; NANOSTRUCTURES; MICROARRAYS;
D O I
10.1021/am302501z
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Vertically aligned carbon nanofibers (VACNFs) are synthesized on Al 3003 alloy substrates by direct current plasma-enhanced chemical vapor deposition. Chemically synthesized Ni nanoparticles were used as the catalyst for growth. The Si-containing coating (SiNx) typically created when VACNFs are grown on silicon was produced by adding Si microparticles prior to growth. The fiber arrays were transferred to PDMS by spin coating a layer on the grown substrates, curing the PDMS, and etching away the Al in KOH. The fiber arrays contain many fibers over 15 pm (long enough to protrude from the PDMS film and penetrate cell membranes) and SiNx coatings as observed by SEM, EDX, and fluorescence microscopy. The free-standing array in PDMS was loaded with pVENUS-C-1 plasmid and human brain microcapillary endothelial (HBMEC) cells and was successfully impalefected.
引用
收藏
页码:878 / 882
页数:5
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