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<p>In recent years, naturally-derived carbon dots have gained considerable attention due to their environmentally beneficial qualities, such as high biocompatibility and low toxicity, addressing several issues concerning the environment, human beings, and health. Presently, we have focused on a cheap and fast pyrolysis method for the synthesis of carbon dots (CDs) by using flowers of <i>Clerodendrum infortunatum</i>, termed CICDs, and the seeds of <i>Momordica Dioica</i>, termed MDCDs, with the quantum yield of 31.56% and 5.98%, respectively. The CDs were synthesized and analyzed for their optical and structural properties by UV-Vis and fluorescence spectroscopy, FTIR, TEM, and XRD. These CDs were evaluated for their antimicrobial and antioxidant properties. CDs displayed metal sensing capabilities, specifically, showing diminution in fluorescence intensity in the presence of ferrous ions (<InlineEquation ID="IEq1"> <EquationSource Format="TEX">\(\:{\text{F}\text{e}}^{2+}\)</EquationSource> </InlineEquation>), and lead (<InlineEquation ID="IEq2"> <EquationSource Format="TEX">\(\:{\text{P}\text{b}}^{4+})\)</EquationSource> </InlineEquation>, suggesting their potential applications as a sensing probe for the detection of heavy metals like ferrous and lead.</p> Graphical Abstract <p></p>

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Synthesis and Characterization of Bluish-Green Fluorescent Carbon Dots from Momordica dioica Seeds and Floral-Derived Clerodendrum infortunatum for Antimicrobial Activities

  • 期刊论文

  • 发表日期：

    2025年7月7日

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  • Sanjana Sawant,
  • Gaurav Gopal Naik,
  • Vijay Jagtap,
  • Alakh N. Sahu

摘要

In recent years, naturally-derived carbon dots have gained considerable attention due to their environmentally beneficial qualities, such as high biocompatibility and low toxicity, addressing several issues concerning the environment, human beings, and health. Presently, we have focused on a cheap and fast pyrolysis method for the synthesis of carbon dots (CDs) by using flowers of Clerodendrum infortunatum, termed CICDs, and the seeds of Momordica Dioica, termed MDCDs, with the quantum yield of 31.56% and 5.98%, respectively. The CDs were synthesized and analyzed for their optical and structural properties by UV-Vis and fluorescence spectroscopy, FTIR, TEM, and XRD. These CDs were evaluated for their antimicrobial and antioxidant properties. CDs displayed metal sensing capabilities, specifically, showing diminution in fluorescence intensity in the presence of ferrous ions ( \(\:{\text{F}\text{e}}^{2+}\) ), and lead ( \(\:{\text{P}\text{b}}^{4+})\) , suggesting their potential applications as a sensing probe for the detection of heavy metals like ferrous and lead.

Graphical Abstract