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Yetisen A.K.,University of Cambridge | Butt H.,University of Cambridge | da Cruz Vasconcellos F.,University of Cambridge | Montelongo Y.,University of Cambridge | And 9 more authors.
Advanced Optical Materials | Year: 2014

This tunable holographic sensor offers interrogation and a reporting transducer as well as an analyte-responsive hydrogel, rendering it label-free and reusable. A single 6 ns laser pulse is used to fabricate holographic sensors consisting of silver nanoparticles arranged periodically within a polymer film. The tunability of the sensor is demonstrated through pH sensing of artificial urine and validated through computational modeling. © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. Source

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