SERS-active linear barcodes by microfluidic-assisted patterning

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dc.contributor.authorPekdemir, Sami
dc.contributor.authorIpekci, Hasan Hueseyin
dc.contributor.authorSerhatlioglu, Murat
dc.contributor.authorElbuken, Caglar
dc.contributor.authorOnses, M. Serdar
dc.date.accessioned2024-02-23T14:12:34Z
dc.date.available2024-02-23T14:12:34Z
dc.date.issued2021
dc.departmentNEÜen_US
dc.description.abstractSimple, low-cost, robust, and scalable fabrication of microscopic linear barcodes with high levels of complexity and multiple authentication layers is critical for emerging applications in information security and anti-counterfeiting. This manuscript presents a novel approach for fabrication of microscopic linear barcodes that can be visualized under Raman microscopy. Microfluidic channels are used as molds to generate linear patterns of end-grafted polymers on a substrate. These patterns serve as templates for area-selective binding of colloidal gold nanoparticles resulting in plasmonic arrays. The deposition of multiple taggant molecules on the plasmonic arrays via a second microfluidic mold results in a linear barcode with unique Raman fingerprints that are enhanced by the underlying plasmonic nanoparticles. The width of the bars is as small as 10 mu m, with a total barcode length on the order of 100 mu m. The simultaneous use of geometric and chemical security layers provides a high level of complexity challenging the counterfeiting of the barcodes. The additive, scalable, and inexpensive nature of the presented approach can be easily adapted to different colloidal nanomaterials and applications. (C) 2020 Elsevier Inc. All rights reserved.en_US
dc.description.sponsorshipTUBITAK [115M220]; Science Academy, Turkey through the Young Scientist Award Programen_US
dc.description.sponsorshipThis work was supported by TUBITAK under Grant No. 115M220. MSO and CE acknowledge the support from The Science Academy, Turkey through the Young Scientist Award Program.en_US
dc.identifier.doi10.1016/j.jcis.2020.09.087
dc.identifier.endpage18en_US
dc.identifier.issn0021-9797
dc.identifier.issn1095-7103
dc.identifier.pmid33035799en_US
dc.identifier.scopus2-s2.0-85092046126en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage11en_US
dc.identifier.urihttps://doi.org/10.1016/j.jcis.2020.09.087
dc.identifier.urihttps://hdl.handle.net/20.500.12452/12117
dc.identifier.volume584en_US
dc.identifier.wosWOS:000600391700002en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherAcademic Press Inc Elsevier Scienceen_US
dc.relation.ispartofJournal Of Colloid And Interface Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectAnti-Counterfeitingen_US
dc.subjectSersen_US
dc.subjectPlasmonicsen_US
dc.subjectMicrofluidicsen_US
dc.subjectColloidal Nanoparticlesen_US
dc.titleSERS-active linear barcodes by microfluidic-assisted patterningen_US
dc.typeArticleen_US

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