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Carboxymethylcellulose hydrogels with stable carbon quantum dots: Enabling dynamic fluorescence modulation, automatic erasure, and secure information encryption.

PubMed
Authors: Luo Q, Liu H, Li D, Dai J, Xia L, Jiang J, Xu Y, Zeng B, Luo W, Dai L

Year

2024

Paper ID

9498

Status

Peer-reviewed

Abstract Read

~2 min

Abstract Words

84

Citations

N/A

Abstract

Inspired by "disappear after reading", a time-modulated encryption hydrogel was synthesized by carboxymethyl cellulose with carbon quantum dots. Carboxymethyl cellulose in this system stabilized carbon quantum dots, which ensured the whole hydrogel worked well. The encryption/decryption of information depended on pH adjustment, application of EDTA and Cr (VI). Furthermore, an in-depth analysis of the fluorescence change mechanism uncovered that fluorescence quenching was potentially influenced by internal filtering effects and static quenching, which involved the amino, carboxyl, and hydroxyl groups present within the hydrogel.

Why This Paper Matters

  • This paper contributes to the Quantum Chemistry research area in the Quantum Articles archive.
  • It adds a 2024 reference point for readers tracking recent quantum research.
  • Inspired by "disappear after reading", a time-modulated encryption hydrogel was synthesized by carboxymethyl cellulose with carbon quantum dots.

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References & Citation Signals

[1] DOI https://doi.org/10.1016/j.carbpol.2023.121610 [2] Publisher https://pubmed.ncbi.nlm.nih.gov/38142072/

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