Electrokinetic microchip‐based sample loading for surface plasmon resonance detection | Zendy

Chen Xing | Zendy; Zhang LuLu | Zendy; Cai Haoyuan | Zendy; Li Hui | Zendy; Sun Jianhai | Zendy; Cui Dafu | Zendy

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Electrokinetic microchip‐based sample loading for surface plasmon resonance detection

Author(s) -

Chen Xing,

Zhang LuLu,

Cai Haoyuan,

Li Hui,

Sun Jianhai,

Cui Dafu

Publication year - 2013

Publication title -

micro and nano letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.25

H-Index - 31

ISSN - 1750-0443

DOI - 10.1049/mnl.2012.0697

Subject(s) - electrokinetic phenomena , surface plasmon resonance , microfluidics , materials science , surface plasmon , nanotechnology , localized surface plasmon , optoelectronics , analytical chemistry (journal) , plasmon , chemistry , nanoparticle , chromatography

In this reported work, a microfluidic‐based fluid electrokinetic force has been used for surface plasmon resonance or surface plasmon resonance image (SPRI) detection. In this device, a modified rectangular microarray of Au instead of previous reported square or circular gold segments was designed and microfabricated with gold segment geometries and characterised by surface morphology studies. A voltage drop of maximal 400 V/cm was applied without gold erosion to drive fluorescein isothiocyanate isomer I in a high‐conductivity medium on the bare gold surface layer, enabling SPRI detection.

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