Facile synthesis of biomass waste-derived fluorescent N, S, P co-doped carbon dots for detection of Fe<sup>3+</sup> ions in solutions and living cells

Wang, Weixia; Chen, Jie; Wang, Dake; Shen, Yanmei; Yang, Like; Zhang, Tuo; Ge, Jia

doi:10.1039/d0ay02186e

Cited by 42 publications

(14 citation statements)

References 42 publications

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“…The negative zeta potential value is ascribed to the abundance of negatively charged groups (hydroxyl, carboxyl, carbonyl, and epoxy) present on the surface of the PC-CDs. These results are consistent with CDs obtained from biomass materials such as green pepper seeds [ 49 ] and orange juice [ 28 ]. From these results, it can be posited that the negatively charged PC-CDs, with abundant functional groups, have the capacity to effectively bind Cu 2+ metal ions in this study (Further discussions in Section 3.3 ).…”

Section: Resultssupporting

confidence: 90%

One-Step Green Synthesis of Water-Soluble Fluorescent Carbon Dots and Its Application in the Detection of Cu2+

et al. 2022

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Renewable biowaste-derived carbon dots have garnered immense interest owing to their exceptional optical, fluorescence, chemical, and environmentally friendly attributes, which have been exploited for the detection of metals, non-metals, and organics in the environment. In the present study, water-soluble fluorescent carbon dots (CDs) were synthesized via facile green microwave pyrolysis of pine-cone biomass as precursors, without any chemical additives. The synthesized fluorescent pine-cone carbon dots (PC-CDs) were spherical in shape with a bimodal particle-size distribution (average diameters of 15.2 nm and 42.1 nm) and a broad absorption band of between 280 and 350 nm, attributed to a π-π* and n-π* transition. The synthesized PC-CDs exhibited the highest fluorescent (FL) intensity at an excitation wavelength of 360 nm, with maximum emission of 430 nm. The synthesized PC-CDs were an excellent fluorescent probe for the selective detection of Cu2+ in aqueous solution, amidst the presence of other metal ions. The FL intensity of PC-CDs was exceptionally quenched in the presence of Cu2+ ions, with a low detection limit of 0.005 μg/mL; this was largely ascribed to Cu2+ ion binding interactions with the enriched surface functional groups on the PC-CDs. As-synthesized PC-CDs are an excellent, cost effective, and sensitive probe for detecting and monitoring Cu2+ metal ions in wastewater.

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Section: Resultssupporting

confidence: 90%

One-Step Green Synthesis of Water-Soluble Fluorescent Carbon Dots and Its Application in the Detection of Cu2+

et al. 2022

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“…Srivastava et al 137 also employed hydrothermal treatment to synthesize CDs from marigold flowers. Ge et al 138 prepared nitrogen, sulfur, and phosphorus co-doped CDs (NSP-CDs) from the seeds of green pepper using a hydrothermal method. The synthesized NSP-CDs possessed an average particle size of approximately 3.2 nm and could be used as a fluorescent probe for Fe 3+ detection and cell imaging.…”

Section: Green Synthesis Of Waste-derived Cdsmentioning

confidence: 99%

Functional carbon dots derived from biomass and plastic wastes

Kuang

Jin

et al. 2023

Green Chem.

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“…The bioinspired practices harness biomass (honey, milk, soy milk, silk, eggs, food waste, coffee, and bee pollen) as a carbon source to prepare CDs (Hsu et al, 2012; Jie Wang et al, 2015; Jing Wang et al, 2012). The biomass that contains heteroatoms such as P, N, and S; is desirable for preparing CQDs since they contribute to optimizing the PL quantum yield (PLQY; W. Wang, Chen, et al, 2021). All these data allows to differentiate between t‐d and b‐u approaches to obtain CDs, referring Figures 2 and 4.…”

Section: Types and Preparation Of Cdsmentioning

confidence: 99%

Carbon dots: Types, preparation, and their boosted antibacterial activity by photoactivation. Current status and future perspectives

Lagos

García

Cuadrado

et al. 2023

WIREs Nanomed Nanobiotechnol

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Carbon dots (CDs) correspond to carbon‐based materials (CBM) with sizes usually below 10 nm. These nanomaterials exhibit attractive properties such us low toxicity, good stability, and high conductivity, which have promoted their thorough study over the past two decades. The current review describes four types of CDs: carbon quantum dots (CQDs), graphene quantum dots (GQDs), carbon nanodots (CNDs), and carbonized polymers dots (CPDs), together with the state of the art of the main routes for their preparation, either by “top‐down” or “bottom‐up” approaches. Moreover, among the various usages of CDs within biomedicine, we have focused on their application as a novel class of broad‐spectrum antibacterial agents, concretely, owing their photoactivation capability that triggers an enhanced antibacterial property. Our work presents the recent advances in this field addressing CDs, their composites and hybrids, applied as photosensitizers (PS), and photothermal agents (PA) within antibacterial strategies such as photodynamic therapy (PDT), photothermal therapy (PTT), and synchronic PDT/PTT. Furthermore, we discuss the prospects for the possible future development of large‐scale preparation of CDs, and the potential for these nanomaterials to be employed in applications to combat other pathogens harmful to human health. This article is categorized under: Therapeutic Approaches and Drug Discovery > Nanomedicine for Infectious Disease

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Facile synthesis of biomass waste-derived fluorescent N, S, P co-doped carbon dots for detection of Fe³⁺ ions in solutions and living cells

Abstract: Fluorescent carbon dots from biomass waste were applied for the detection of Fe3+ ions.

Cited by 42 publications

References 42 publications

One-Step Green Synthesis of Water-Soluble Fluorescent Carbon Dots and Its Application in the Detection of Cu2+

One-Step Green Synthesis of Water-Soluble Fluorescent Carbon Dots and Its Application in the Detection of Cu2+

Functional carbon dots derived from biomass and plastic wastes

Carbon dots: Types, preparation, and their boosted antibacterial activity by photoactivation. Current status and future perspectives

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Facile synthesis of biomass waste-derived fluorescent N, S, P co-doped carbon dots for detection of Fe3+ ions in solutions and living cells

Abstract: Fluorescent carbon dots from biomass waste were applied for the detection of Fe3+ ions.

Cited by 42 publications

References 42 publications

One-Step Green Synthesis of Water-Soluble Fluorescent Carbon Dots and Its Application in the Detection of Cu2+

One-Step Green Synthesis of Water-Soluble Fluorescent Carbon Dots and Its Application in the Detection of Cu2+

Functional carbon dots derived from biomass and plastic wastes

Carbon dots: Types, preparation, and their boosted antibacterial activity by photoactivation. Current status and future perspectives

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Product

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Facile synthesis of biomass waste-derived fluorescent N, S, P co-doped carbon dots for detection of Fe³⁺ ions in solutions and living cells