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Photonic hydrogel sensors ☆

Paper ID Volume ID Publish Year Pages File Format Full-Text
14204 1188 2016 22 PDF Available
Title
Photonic hydrogel sensors ☆
Abstract

•Explains the operation principles of photonic hydrogel sensors•Discusses holographic gratings, opals, porous silicons, block copolymers, Bragg stacks, and plasmonic composites•Provides an overview of self-assembly and nano/microfabrication techniques•Demonstrates clinical applications in point-of-care diagnostics•Describes perceived limitations in sensing and provides guidelines for future work

Analyte-sensitive hydrogels that incorporate optical structures have emerged as sensing platforms for point-of-care diagnostics. The optical properties of the hydrogel sensors can be rationally designed and fabricated through self-assembly, microfabrication or laser writing. The advantages of photonic hydrogel sensors over conventional assay formats include label-free, quantitative, reusable, and continuous measurement capability that can be integrated with equipment-free text or image display. This Review explains the operation principles of photonic hydrogel sensors, presents syntheses of stimuli-responsive polymers, and provides an overview of qualitative and quantitative readout technologies. Applications in clinical samples are discussed, and potential future directions are identified.

Keywords
Hydrogels; In vitro diagnostics; Photonic crystals; Inverse opals; Holography; Bragg stacks; Crystalline colloidal arrays; Block copolymers; Layer-by-layer deposition; Plasmonics
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Photonic hydrogel sensors ☆
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biotechnology Advances - Volume 34, Issue 3, May–June 2016, Pages 250–271
Authors
, , , , , , , , , , , ,
Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us