Green hydrothermal approach for the synthesis of carbon quantum dots from waste tea bags for acrylamide detection in drinking water: A fluorescence assay validated by HPLC-PDA analysis

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dc.contributor.authorSharma, Nikhil
dc.contributor.authorThakur, Sweezee
dc.contributor.authorBains, Aarti
dc.contributor.authorGoksen, Gulden
dc.contributor.authorAli, Nemat
dc.contributor.authorAnsari, Mushtaq Ahmad
dc.contributor.authorKopsacheili, Anna
dc.date.accessioned2025-03-17T12:27:15Z
dc.date.available2025-03-17T12:27:15Z
dc.date.issued2025
dc.departmentTarsus Üniversitesi
dc.description.abstractThe study focused on converting tea bag waste into strong fluorescence carbon quantum dots (TBW-CQDs) for the detection of acrylamide in drinking water, antimicrobial activity, and photocatalytic degradation. The TBWCQDs exhibited blue luminescence and maximum absorbance at 287 nm under UV light and distinctive fluorescence emission and excitation wavelengths at 425 nm and 287 nm, respectively. TBW-CQDs revealed a particle size of 8.12 +/- 0.06 nm with a spherical morphology followed by an abundance of 59.29 % carbon and 39.82 % oxygen. For acrylamide extraction from water, the QuEChERS method was established, which exhibited a recovery rate of 97 to 99 %. The fluorescence-based sensor exhibited a low limit of detection of 0.35376 ppm, which was validated by HPLC-PDA (LOD 0.300688 ppm). TBW-CQDs degraded 90.62 % of indigo carmine and 93.19 % of methylene blue under bright sunlight. In conclusion, the fabricated TBW-CQDs provide a promising, cost-effective, and precise approach to acrylamide detection in drinking water.
dc.description.sponsorshipKing Saud University, Riyadh, Saudi Arabia [RSPD2025R940]; National and Kapodistrian University of Athens, Special Account for Research Grants [14053]
dc.description.sponsorshipThe authors acknowledge and extend their appreciation to the Researchers Supporting Project Number (RSPD2025R940) , King Saud University, Riyadh, Saudi Arabia for supporting this study. We thank the National and Kapodistrian University of Athens, Special Account for Research Grants, No. 14053.
dc.identifier.doi10.1016/j.fochx.2024.102043
dc.identifier.issn2590-1575
dc.identifier.pmid39830002
dc.identifier.scopus2-s2.0-85213081544
dc.identifier.scopusqualityN/A
dc.identifier.urihttps://doi.org/10.1016/j.fochx.2024.102043
dc.identifier.urihttps://hdl.handle.net/20.500.13099/2159
dc.identifier.volume25
dc.identifier.wosWOS:001403131500001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofFood Chemistry-X
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20250316
dc.subjectTea bag
dc.subjectHydrothermal
dc.subjectCarbon quantum dots
dc.subjectAcrylamide detection
dc.subjectHPLC
dc.titleGreen hydrothermal approach for the synthesis of carbon quantum dots from waste tea bags for acrylamide detection in drinking water: A fluorescence assay validated by HPLC-PDA analysis
dc.typeArticle

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