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Saenmuangchin R, Mettakoonpitak J, Shiowatana J, Siripinyanond A. Separation of silver nanoparticles by hollow fiber flow field-flow fractionation: Addition of tannic acid into carrier liquid as a modifier. J Chromatogr A 2015; 1415:115-22. [DOI: 10.1016/j.chroma.2015.08.047] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Revised: 08/22/2015] [Accepted: 08/24/2015] [Indexed: 01/11/2023]
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Rahong S, Yasui T, Yanagida T, Nagashima K, Kanai M, Meng G, He Y, Zhuge F, Kaji N, Kawai T, Baba Y. Three-dimensional Nanowire Structures for Ultra-Fast Separation of DNA, Protein and RNA Molecules. Sci Rep 2015; 5:10584. [PMID: 26073192 PMCID: PMC4466590 DOI: 10.1038/srep10584] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2015] [Accepted: 04/17/2015] [Indexed: 11/09/2022] Open
Abstract
Separation and analysis of biomolecules represent crucial processes for biological and biomedical engineering development; however, separation resolution and speed for biomolecules analysis still require improvements. To achieve separation and analysis of biomolecules in a short time, the use of highly-ordered nanostructures fabricated by top-down or bottom-up approaches have been proposed. Here, we reported on the use of three-dimensional (3D) nanowire structures embedded in microchannels fabricated by a bottom-up approach for ultrafast separation of small biomolecules, such as DNA, protein, and RNA molecules. The 3D nanowire structures could analyze a mixture of DNA molecules (50-1000 bp) within 50 s, a mixture of protein molecules (20-340 kDa) within 5 s, and a mixture of RNA molecules (100-1000 bases) within 25 s. And, we could observe the electrophoretic mobility difference of biomolecules as a function of molecular size in the 3D nanowire structures. Since the present methodology allows users to control the pore size of sieving materials by varying the number of cycles for nanowire growth, the 3D nanowire structures have a good potential for use as alternatives for other sieving materials.
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Affiliation(s)
- Sakon Rahong
- Institute of Innovation for Future Society, Nagoya University, JAPAN
- FIRST Research Center for Innovative Nanobiodevices, Nagoya University, JAPAN
| | - Takao Yasui
- FIRST Research Center for Innovative Nanobiodevices, Nagoya University, JAPAN
- Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, JAPAN
| | - Takeshi Yanagida
- The Institute of Scientific and Industrial Research, Osaka University, JAPAN
| | - Kazuki Nagashima
- The Institute of Scientific and Industrial Research, Osaka University, JAPAN
| | - Masaki Kanai
- The Institute of Scientific and Industrial Research, Osaka University, JAPAN
| | - Gang Meng
- The Institute of Scientific and Industrial Research, Osaka University, JAPAN
| | - Yong He
- The Institute of Scientific and Industrial Research, Osaka University, JAPAN
| | - Fuwei Zhuge
- The Institute of Scientific and Industrial Research, Osaka University, JAPAN
| | - Noritada Kaji
- FIRST Research Center for Innovative Nanobiodevices, Nagoya University, JAPAN
- Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, JAPAN
| | - Tomoji Kawai
- The Institute of Scientific and Industrial Research, Osaka University, JAPAN
| | - Yoshinobu Baba
- Institute of Innovation for Future Society, Nagoya University, JAPAN
- FIRST Research Center for Innovative Nanobiodevices, Nagoya University, JAPAN
- Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, JAPAN
- Health Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), JAPAN
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