ArticleJournal of fluorescence2025
A Comparative Study of Nitrogen Doped Carbon Dots Prepared from Linear Polyethyleneimine (L-PEI) and Branched Polyethyleneimine (B-PEI): Thermal, Optical, Biocompatibility, Sensor, Antibacterial, and Light-Induced Antibacterial Activity.
Article in Journal of fluorescence, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed.
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
The N-doped carbon dots (CDs) prepared in the presence of citric acid (CA) as carbon source, using linear poly(ethylene imine) (L-PEI) and branched poly(ethylene imine) (B-PEI) as nitrogen doping agents were prepared via hydrothermal/solvothermal technique at 250 °C in a Teflon-lined autoclave. The zeta potentials of L-PEI CDs and B-PEI CDs were determined as + 9.8 ± 4 and 0.1 ± 0.5 mV with 47 ± 3 and 54 ± 5 nm sizes, respectively. Bandgap values for L-PEI CDs and B-PEI CDs were estimated as 3.06 and 3.37 eV, respectively. The fluorescence intensities of L-PEI CDs and B-PEI CDs were measured as 59,310(a.u.), and 46,370(a.u.) at 474 and 442 nm, respectively, under 400 and 320 nm excitation wavelengths and 700 V PMT voltage. A higher quantum yield% value was observed for L-PEI CDs with 37 ± 2.9%. Both L-PEI CDs and B-PEI CDs were found biocompatible up to 1000 µg/mL concentration with > 80% L929 fibroblast cell viability. The limit of detection (LOD) values for Fe
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Registered trials
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