000145468 001__ 145468
000145468 005__ 20250923084440.0
000145468 0247_ $$2doi$$a10.1039/d4na00637b
000145468 0248_ $$2sideral$$a140362
000145468 037__ $$aART-2024-140362
000145468 041__ $$aeng
000145468 100__ $$aJusto-Tirado, Miguel
000145468 245__ $$aHarnessing sustainable nanoclusters for sensitive optical detection of tetracyclines and the underlying mechanism
000145468 260__ $$c2024
000145468 5060_ $$aAccess copy available to the general public$$fUnrestricted
000145468 5203_ $$aSimple and rapid sensing methods for the detection of antibiotics in drinks and foods are highly desirable due to the presence of these drugs in food products, as a consequence of extensive abuse of antibiotics in livestock production. In this study, we report a facile synthesis strategy of gold nanoclusters (AuNCs) passivated with N-acetyl-L-cysteine (AuNC@NAC). This nanocluster exhibits a fluorescence emission peak at 700 nm, which gradually decreases at increasing concentrations of antibiotics, such as tetracyclines. The limit of detection (LOD) was determined to be 0.8 ppm with a linear range of 0.1–140 μM (0.04–62 ppm). This method showcased exceptional selectivity in the detection of tetracyclines compared to anions, metallic cations and amino acids. The underlying mechanism has been elucidated, and the fluorescence quenching was found to be a combination of dynamic and static quenching mechanisms, with photoinduced electron transfer (PET) identified as the primary process for dynamic quenching.
000145468 536__ $$9info:eu-repo/grantAgreement/ES/AEI/CEX2023-001286-S$$9info:eu-repo/grantAgreement/ES/DGA/E13-23R$$9info:eu-repo/grantAgreement/ES/MICINN-AEI/PRTR-C17.I1
000145468 540__ $$9info:eu-repo/semantics/openAccess$$aby-nc$$uhttp://creativecommons.org/licenses/by-nc/3.0/es/
000145468 590__ $$a4.6$$b2024
000145468 592__ $$a0.974$$b2024
000145468 591__ $$aMATERIALS SCIENCE, MULTIDISCIPLINARY$$b159 / 460 = 0.346$$c2024$$dQ2$$eT2
000145468 591__ $$aNANOSCIENCE & NANOTECHNOLOGY$$b62 / 147 = 0.422$$c2024$$dQ2$$eT2
000145468 591__ $$aCHEMISTRY, MULTIDISCIPLINARY$$b75 / 239 = 0.314$$c2024$$dQ2$$eT1
000145468 593__ $$aAtomic and Molecular Physics, and Optics$$c2024$$dQ1
000145468 593__ $$aEngineering (miscellaneous)$$c2024$$dQ1
000145468 593__ $$aMaterials Science (miscellaneous)$$c2024$$dQ1
000145468 593__ $$aChemistry (miscellaneous)$$c2024$$dQ1
000145468 593__ $$aBioengineering$$c2024$$dQ2
000145468 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/publishedVersion
000145468 700__ $$aPérez-Herráez, Irene
000145468 700__ $$aEscorihuela, Jorge
000145468 700__ $$0(orcid)0000-0002-2071-9093$$aArenal, Raúl
000145468 700__ $$aZaballos-García, Elena
000145468 700__ $$aPérez-Prieto, Julia
000145468 773__ $$g6, 22 (2024), 5718-5726$$tNanoscale Advances$$x2516-0230
000145468 8564_ $$s1569294$$uhttps://zaguan.unizar.es/record/145468/files/texto_completo.pdf$$yVersión publicada
000145468 8564_ $$s2827408$$uhttps://zaguan.unizar.es/record/145468/files/texto_completo.jpg?subformat=icon$$xicon$$yVersión publicada
000145468 909CO $$ooai:zaguan.unizar.es:145468$$particulos$$pdriver
000145468 951__ $$a2025-09-22-14:50:09
000145468 980__ $$aARTICLE