Fully room temperature and label free biosensing based on an ink-jet printed polymer microdisk laser

Materials with biomolecule-compatible functional groups are desirable for the fabrication of microdisk lasers used in bio-sensing applications. In this study, a microdisk laser was fabricated using a low-viscosity hyper branched polymer FC-V-50 using ink-jet printing, and was surface-modified at roo...

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Bibliographic Details
Published in:Optical materials express 2021-03, Vol.11 (3), p.592
Main Authors: Nasir, Abdul, Mikami, Yuya, Yatabe, Rui, Yoshioka, Hiroaki, Vasa, Nilesh, Oki, Yuji
Format: Article
Language:English
Subjects:
Biomolecules
Functional groups
Inkjet printing
Laser materials
Lasers
Polymers
Room temperature
Serum albumin
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Summary:Materials with biomolecule-compatible functional groups are desirable for the fabrication of microdisk lasers used in bio-sensing applications. In this study, a microdisk laser was fabricated using a low-viscosity hyper branched polymer FC-V-50 using ink-jet printing, and was surface-modified at room temperature within a relatively short time compared to conventional methods. The carboxyl functional group of the FC-V-50 polymer was used for surface modification and biotinylation. The adsorption characteristics of the microdisk laser were evaluated using bovine serum albumin, avidin, and streptavidin. This study reports the first demonstration of label-free biosensing using the FC-V-50 polymer-based microdisk laser.
ISSN:2159-3930
2159-3930
DOI:10.1364/OME.415000