{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Kuo WS"],"funding":["Ministry of Science and Technology, Taiwan","Nanjing University of Information Science &amp; Technology, China"],"pagination":["3230"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC8949782"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["23(6)"],"pubmed_abstract":["Nitrogen doping and amino group functionalization through chemical modification lead to strong electron donation. Applying these processes to a large π-conjugated system of graphene quantum dot (GQD)-based materials as electron donors increases the charge transfer efficiency of nitrogen-doped amino acid-functionalized GQDs (amino-N-GQDs), resulting in enhanced two-photon absorption, post-two-photon excitation (TPE) stability, TPE cross-sections, and two-photon luminescence through the radiative pathway when the lifetime decreases and the quantum yield increases. Additionally, it leads to the generation of reactive oxygen species through two-photon photodynamic therapy (PDT). The sorted amino-N-GQDs prepared in this study exhibited excitation-wavelength-independent two-photon luminescence i"],"journal":["International journal of molecular sciences"],"pubmed_title":["Two-Photon-Near Infrared-II Antimicrobial Graphene-Nanoagent for Ultraviolet-Near Infrared Imaging and Photoinactivation."],"pmcid":["PMC8949782"],"funding_grant_id":["ANHRF110-34","CMEMR2021-B11","1JA8","2018r047","AS-HLGC-110-07","MOST 110-2221-E-006-013-MY3"],"pubmed_authors":["Kao HF","Chang CC","Lin YS","Hsieh MH","Kuo WS","Wu PC","Chang CY","Wang JY","Chen PC","Lin SH"],"additional_accession":[]},"is_claimable":false,"name":"Two-Photon-Near Infrared-II Antimicrobial Graphene-Nanoagent for Ultraviolet-Near Infrared Imaging and Photoinactivation.","description":"Nitrogen doping and amino group functionalization through chemical modification lead to strong electron donation. Applying these processes to a large π-conjugated system of graphene quantum dot (GQD)-based materials as electron donors increases the charge transfer efficiency of nitrogen-doped amino acid-functionalized GQDs (amino-N-GQDs), resulting in enhanced two-photon absorption, post-two-photon excitation (TPE) stability, TPE cross-sections, and two-photon luminescence through the radiative pathway when the lifetime decreases and the quantum yield increases. Additionally, it leads to the generation of reactive oxygen species through two-photon photodynamic therapy (PDT). The sorted amino-N-GQDs prepared in this study exhibited excitation-wavelength-independent two-photon luminescence i","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Mar","modification":"2025-04-26T03:49:26.148Z","creation":"2025-04-06T10:58:17.902Z"},"accession":"S-EPMC8949782","cross_references":{"pubmed":["35328653"],"doi":["10.3390/ijms23063230"]}}