ArticleiScience2025
Synthesis of corn-derived carbon quantum dots and their application in intracellular pH sensing and multicolor cellular imaging.
Article in iScience, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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.
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Who cites it
1 citing paper in PubMed.
- Carbonaceous materials derived from corn cob wasteRSC advances · 2026Article
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5 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Biomass corn was utilized as both carbon and nitrogen precursors to synthesize nitrogen self-doped carbon quantum dots (N-CQDs) via a hydrothermal method. The N-CQDs were further used as a nano-fluorescent probe for multicolor cellular imaging and real-time intracellular pH sensing. Experimental results showed that the N-CQDs exhibited a quantum yield of 18.13%, along with excellent biocompatibility, outstanding photoelectrochemical properties, and pH-responsive fluorescence sensing capabilities. The fluorescence intensity of the N-CQDs nanoprobes showed a strong linear correlation with pH values in the range of 4.2-8.4. In live HeLa cells, the N-CQDs nanoprobes displayed high-performance multicolor imaging, and their blue fluorescence intensity also maintained a good linear relationship with pH (4.2-8.4). These findings indicate that the synthesized N-CQDs nanoprobes can be used for the semi-quantitative measurement of intracellular pH, holding great potential for biomedical applications such as cellular imaging and intracellular pH sensing.
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