Label‐Free Biosensor Based on an All‐Polymer DFB Laser | Zendy

Heydari Esmaeil | Zendy; Buller Jens | Zendy; Wischerhoff Erik | Zendy; Laschewsky André | Zendy; Döring Sebastian | Zendy; Stumpe Joachim | Zendy

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Label‐Free Biosensor Based on an All‐Polymer DFB Laser

Author(s) -

Heydari Esmaeil,

Buller Jens,

Wischerhoff Erik,

Laschewsky André,

Döring Sebastian,

Stumpe Joachim

Publication year - 2014

Publication title -

advanced optical materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.89

H-Index - 91

ISSN - 2195-1071

DOI - 10.1002/adom.201300454

Subject(s) - biosensor , materials science , analyte , laser , polymer , resonator , nanotechnology , optoelectronics , computer science , optics , chemistry , physics , composite material

A monolithic active optical resonator biosensor is fabricated for label‐free sensing. The all‐polymer sensor consists of a polymer distributed feedback (DFB) laser and a hydrogel recognition layer. Specific binding of analyte modulates the effective refractive index, shifting the laser emission wavelength. Real time detection of avidin–biotin interactions is demonstrated as a model for the new label‐free biosensing principle.

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