Graphene-gold metasurface architectures for ultrasensitive plasmonic biosensing
Graphene–gold metasurface architectures that can provide significant gains in plasmonic detection sensitivity for trace-amount target analytes are reported. Benefiting from extreme phase singularities of reflected light induced by strong plasmon-mediated energy confinements, the metasurface demonstr...
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2015
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sg-ntu-dr.10356-1001212023-02-28T19:34:49Z Graphene-gold metasurface architectures for ultrasensitive plasmonic biosensing Zeng, Shuwen Sreekanth, Kandammathe Valiyaveedu Shang, Jingzhi Yu, Ting Chen, Chih-Kuang Yin, Feng Baillargeat, Dominique Coquet, Philippe Ho, Ho-Pui Kabashin, Andrei V. Yong, Ken-Tye School of Electrical and Electronic Engineering School of Physical and Mathematical Sciences Graphene–gold metasurface architectures that can provide significant gains in plasmonic detection sensitivity for trace-amount target analytes are reported. Benefiting from extreme phase singularities of reflected light induced by strong plasmon-mediated energy confinements, the metasurface demonstrates a much-improved sensitivity to molecular bindings nearby and achieves an ultralow detection limit of 1 × 10−18 M for 7.3 kDa 24-mer single-stranded DNA. ASTAR (Agency for Sci., Tech. and Research, S’pore) MOE (Min. of Education, S’pore) Accepted version 2015-09-10T01:54:35Z 2019-12-06T20:17:05Z 2015-09-10T01:54:35Z 2019-12-06T20:17:05Z 2015 2015 Journal Article Zeng, S., Sreekanth, K. V., Shang, J., Yu, T., Chen, C.-K., Yin, F., et al. (2015). Graphene-gold metasurface architectures for ultrasensitive plasmonic biosensing. Advanced Materials, 27(40), 6163-6169. 1521-4095 https://hdl.handle.net/10356/100121 http://hdl.handle.net/10220/38683 10.1002/adma.201501754 en Advanced Materials © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. This is the author created version of a work that has been peer reviewed and accepted for publication by Advanced Materials, WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1002/adma.201501754]. application/pdf |
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Graphene–gold metasurface architectures that can provide significant gains in plasmonic detection sensitivity for trace-amount target analytes are reported. Benefiting from extreme phase singularities of reflected light induced by strong plasmon-mediated energy confinements, the metasurface demonstrates a much-improved sensitivity to molecular bindings nearby and achieves an ultralow detection limit of 1 × 10−18 M for 7.3 kDa 24-mer single-stranded DNA. |
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School of Electrical and Electronic Engineering |
| author_facet |
School of Electrical and Electronic Engineering Zeng, Shuwen Sreekanth, Kandammathe Valiyaveedu Shang, Jingzhi Yu, Ting Chen, Chih-Kuang Yin, Feng Baillargeat, Dominique Coquet, Philippe Ho, Ho-Pui Kabashin, Andrei V. Yong, Ken-Tye |
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Article |
| author |
Zeng, Shuwen Sreekanth, Kandammathe Valiyaveedu Shang, Jingzhi Yu, Ting Chen, Chih-Kuang Yin, Feng Baillargeat, Dominique Coquet, Philippe Ho, Ho-Pui Kabashin, Andrei V. Yong, Ken-Tye |
| spellingShingle |
Zeng, Shuwen Sreekanth, Kandammathe Valiyaveedu Shang, Jingzhi Yu, Ting Chen, Chih-Kuang Yin, Feng Baillargeat, Dominique Coquet, Philippe Ho, Ho-Pui Kabashin, Andrei V. Yong, Ken-Tye Graphene-gold metasurface architectures for ultrasensitive plasmonic biosensing |
| author_sort |
Zeng, Shuwen |
| title |
Graphene-gold metasurface architectures for ultrasensitive plasmonic biosensing |
| title_short |
Graphene-gold metasurface architectures for ultrasensitive plasmonic biosensing |
| title_full |
Graphene-gold metasurface architectures for ultrasensitive plasmonic biosensing |
| title_fullStr |
Graphene-gold metasurface architectures for ultrasensitive plasmonic biosensing |
| title_full_unstemmed |
Graphene-gold metasurface architectures for ultrasensitive plasmonic biosensing |
| title_sort |
graphene-gold metasurface architectures for ultrasensitive plasmonic biosensing |
| publishDate |
2015 |
| url |
https://hdl.handle.net/10356/100121 http://hdl.handle.net/10220/38683 |
| _version_ |
1759855061785116672 |