{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Cheng H"],"funding":["National Natural Science Foundation of China"],"pagination":["18381-18386"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9033396"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["11(30)"],"pubmed_abstract":["Carbon-based fluorescent security labels are effective methods to prevent counterfeiting. However, the properties of poor optical stability, complex and energy-consuming synthesis processes and weak bonding with substrates of carbon-based fluorescent materials limit their application prospects. Here, a novel <i>in situ</i> fluorescent patterning strategy is developed to achieve covert, chemically stable and solvent-tolerant cellulose-based security labels by UV exposure. The unsaturated double bonds as the origin of the fluorescence were generated during the photodegradation process under UV exposure. The fluorescent emission of cellulose-based materials reveals excellent stability under acidic, alkaline, reducing, oxidizing and non-polar solvent environments. These advantages give the cellulose nanofiber based security label fantastic potential applications."],"journal":["RSC advances"],"pubmed_title":["Chemically stable fluorescent anti-counterfeiting labels achieved by UV-induced photolysis of nanocellulose."],"pmcid":["PMC9033396"],"funding_grant_id":["61605028","61775040"],"pubmed_authors":["Zheng Y","Qiu H","Wei X","Wang W","Cheng H","Su W"],"additional_accession":[]},"is_claimable":false,"name":"Chemically stable fluorescent anti-counterfeiting labels achieved by UV-induced photolysis of nanocellulose.","description":"Carbon-based fluorescent security labels are effective methods to prevent counterfeiting. However, the properties of poor optical stability, complex and energy-consuming synthesis processes and weak bonding with substrates of carbon-based fluorescent materials limit their application prospects. Here, a novel <i>in situ</i> fluorescent patterning strategy is developed to achieve covert, chemically stable and solvent-tolerant cellulose-based security labels by UV exposure. The unsaturated double bonds as the origin of the fluorescence were generated during the photodegradation process under UV exposure. The fluorescent emission of cellulose-based materials reveals excellent stability under acidic, alkaline, reducing, oxidizing and non-polar solvent environments. These advantages give the cellulose nanofiber based security label fantastic potential applications.","dates":{"release":"2021-01-01T00:00:00Z","publication":"2021 May","modification":"2025-04-04T14:49:19.554Z","creation":"2025-04-04T14:49:19.554Z"},"accession":"S-EPMC9033396","cross_references":{"pubmed":["35480930"],"doi":["10.1039/d1ra02089g"]}}