Carbon nanodots from orange peel waste as fluorescent probes for detecting nitrobenzene

Michenzi, Cinzia; Proietti, Anacleto; Rossi, Marco; Espro, Claudia; Bressi, Viviana; Vetica, Fabrizio; Simonis, Beatrice; Chiarotto, Isabella

doi:10.1039/d3su00469d

RSC Sustain.

2024

DOI: 10.1039/d3su00469d

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Carbon nanodots from orange peel waste as fluorescent probes for detecting nitrobenzene

Cinzia Michenzi,

Anacleto Proietti,

Marco Rossi

et al.

Abstract: Nitro aromatic compounds have been recognized as hazardous and carcinogenic substances for more than three decades. However, even today, they persist as pervasive pollutants in water, soil, and air. Consequently,...

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Cited by 6 publications

References 46 publications

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Bisphenol A in Water Systems: Risks to Polycystic Ovary Syndrome and Biochar‐Based Adsorption Remediation: A Review

Michenzi,

Myers,

Chiarotto

2024

Chemistry & Biodiversity

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Access to clean and safe water sadly remains an issue in the 21st century. Water reservoirs, whether groundwater or surface water, are routinely contaminated by various harmful Emerging Contaminants (ECs). One of most prevalent pollutants among these pollutants is Bisphenol A, which is classified as an Endocrine Disrupting Compound (EDC). This substance adversely interferes with the endocrine system, primarily by mimicking estrogen, and has been considered a potential contributor to Polycystic Ovary Syndrome (PCOS) with 82.70% of 1,391 women studied showing a positive correlation between BPA exposure and PCOS. PCOS is currently the most prevalent endocrine disorder affecting women of reproductive age; however, its pathogenesis remains unclear, complicating diagnosis and subsequently patient care. In this review, these topics are thoroughly examined, with particular emphasis on biochar, a new promising method for large‐scale water purification. Biochar, derived from various organic waste materials, has emerged as a cost‐effective substance with remarkable adsorption properties achieving up to 88% efficiency over four cycles of reuse, similar to that of activated carbon. This review interrogates the suitability of biochar for counteracting the issue of EDC pollutants.

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Bisphenol A in Water Systems: Risks to Polycystic Ovary Syndrome and Biochar‐Based Adsorption Remediation: A Review

Michenzi,

Myers,

Chiarotto

2024

Chemistry & Biodiversity

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Selective Interaction of Chiral Carbon Dots with Nucleic Acids: A Promising Nanosensing Platform

Maria Vitagliano,

Camilli,

Georgian Moldoveanu

et al. 2024

Chemistry A European J

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Carbon dots (CDs) represent an emerging class of nanomaterials that combine outstanding photoluminescent properties with low toxicity and excellent biocompatibility. These unique features have garnered significant interest for potential applications in sensing as well as nanovectors for bioactive compounds. Within this context, the possibility of synthesizing chiral carbon dots (CCDs) has paved the way for a plethora of bioapplications in their interaction with chiral biomolecules. In this study we report the synthesis and characterization of CCDs with opposite chiralities and their selective interaction with nucleic acids. A systematic study on their interaction with different oligonucleotides (ODNs) using UV‐vis, photoluminescence, and circular dichroism analyses highlighted how the chiral surface of the CCDs induces distinct spectroscopic responses in CCDs‐ODN conjugates. These findings establish the foundation for innovative applications of CCDs as nanosensors and nanocarriers for nucleic acids. Additionally, the antioxidant properties of CCDs were investigated, highlighting their dual potential as both sensing and preservative nanomaterials for genetic material. Our results suggest significant implications for the development of chiral‐specific diagnostic tools, drug delivery systems, and therapeutic agents. Furthermore, these properties open new avenues for the use of CCDs in antibiotic residue detection, fluorescence imaging, and photodynamic therapy.

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Carbon Dots as Bioactive Antifungal Nanomaterials

Sturabotti,

Camilli,

Leonelli

et al. 2024

ChemMedChem

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Nowadays, the widespread diffusion of infections caused by opportunistic fungi represents a demanding threat for global health security. This phenomenon has also worsened by the emergence of contagious events in hospitalisation environments and by the fact that many fungi have developed harsh and serious resistance mechanisms to the traditional antimycotic drugs. Hence, the design of novel antifungal agents is a key factor to counteract mycotic infections and resistance. Within this context, nanomaterials are gaining increasing attention thanks to their biocidal character. Among these, carbon dots (CDs) represent a class of zero‐dimensional, photoluminescent and quasi‐spherical nanoparticles which, for their great and tuneable features, have found applications in catalysis, sensing and biomedicine. Nevertheless, only a few works define and recapitulate their antifungal properties. Therefore, we aim to give an overview about the recent advances in the synthesis of CDs active against infective fungi. We described the general features of CDs and fungal cells, by highlighting some of the most common antimycotic mechanisms. Then, we evaluated the effects of CDs, antimicrobial drugs‐loaded CDs and CDs‐incorporated packaging systems on different fungi and analysed the use of CDs as fluorescent nano‐trackers for bioimaging, showing, to all effects, their promising application as antifungal agents.

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Carbon nanodots from orange peel waste as fluorescent probes for detecting nitrobenzene

Abstract: Nitro aromatic compounds have been recognized as hazardous and carcinogenic substances for more than three decades. However, even today, they persist as pervasive pollutants in water, soil, and air. Consequently,...

Cited by 6 publications

References 46 publications

Bisphenol A in Water Systems: Risks to Polycystic Ovary Syndrome and Biochar‐Based Adsorption Remediation: A Review

Bisphenol A in Water Systems: Risks to Polycystic Ovary Syndrome and Biochar‐Based Adsorption Remediation: A Review

Selective Interaction of Chiral Carbon Dots with Nucleic Acids: A Promising Nanosensing Platform

Carbon Dots as Bioactive Antifungal Nanomaterials

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