ArticleJournal of fluorescence2024
Synthesis and Application of Carbon Quantum Dots Derived from Carbon Black in Bioimaging.
Article in Journal of fluorescence, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 19 citations in OpenAlex.
- Excitonic and Optical Transduction Mechanisms in Quantum Dot Sensors for Environmental Pollutant Detection.Sensors (Basel, Switzerland) · 2026Review
- Green Synthesis of Fluorescent Carbon Dots and AI-Driven New Paradigms: A Comprehensive Review.Biosensors · 2026Review
- 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.Journal of fluorescence · 2025Article
- Bio-Conjugated Carbon Quantum Dots for Intracellular Uptake and Bioimaging Applications.Journal of fluorescence · 2025Article
- Inorganic nanomaterials as promising therapeutic agents for ocular neovascularization: Progress and perspectives.Materials today. Bio · 2025Review
- The Ratio of spAngewandte Chemie (International ed. in English) · 2025Article
- 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.Food chemistry: X · 2025Article
Corrections and comments
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Authors and funding
1 author at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Carbon quantum dots (CQDs) are a new type of fluorescent QDs that consists mainly of carbon atoms. In this research, CQDs were synthesized through harsh oxidizing conditions applied on carbon black and subsequent N-doping using hexamethylenetetramine (Hexamine) and polyethyleneimine (PEI). The synthesized CQDs were characterized using FTIR, AFM, UV-Visible spectroscopy, photoluminescence (PL) spectroscopy, and fluorescence imaging respectively. The AFM images showed that the dots are in the range of 2-8 nm. N-doping of the CQDs increased the PL intensity. The PL enhancement for the CQDs that were N-doped with PEI was higher compared to those N-doped with hexamine. The shift in PL by changing the excitation wavelength has been attributed to the nano-size of the CQDs, functional groups, defect traps, and quantum confinement effect. The in vitro fluorescence imaging revealed that N-doped CQDs can internalize into the cells and be used for fluorescent cell imaging.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.