Green Synthesis of Highly Luminescent Carbon Quantum Dots from Asafoetida and Their Antibacterial Properties.

Zahra Ramezani, Armita Khayat, Brian De La Franier, Abdolghani Ameri, Michael Thompson

Abstract read

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Article in Nanomaterials (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Zahra RamezaniNanotechnology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur Univesity of Medical Sciences, Ahvaz 61357-15794, Iran.ORCID 0000-0001-7404-2105

Armita KhayatNanotechnology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur Univesity of Medical Sciences, Ahvaz 61357-15794, Iran.ORCID 0000-0002-1389-8345

Brian De La FranierDepartment of Chemistry, University of Toronto, 80 St George S., Toronto, ON M5S 3H6, Canada.ORCID 0000-0002-8668-5017

Abdolghani AmeriDepartment of Food and Drug Control, Ahvaz Jundishapur University of Medical Sciences, Ahvaz 61357-15794, Iran.

Michael ThompsonDepartment of Chemistry, University of Toronto, 80 St George S., Toronto, ON M5S 3H6, Canada.ORCID 0000-0002-1445-9918

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Highly luminescent carbon quantum dots (CQDs) and copper-doped CQDs (Cu-CQDs) were synthesized from Asafoetida powder using a one-pot hydrothermal method. The structural, morphological, and optical properties of the synthesized CQDs were characterized via microscopic and spectroscopic techniques. Photoluminescence studies revealed that CQDs exhibited maximum emission at 450 nm under 335 nm excitation with a quantum yield of 37%, while Cu-CQDs showed a red-shifted emission at 455 nm under 330 nm excitation and a significantly enhanced quantum yield of 73.4%. As a proof of concept for potential biomedical and surface-coating applications, the antimicrobial activity of both CQDs was evaluated against

Indexed as

antibacterial activityAsafoetidacarbon quantum dotscopper doped carbon quantum dots: surface coatingE. coliS. aureus

Identifiers

PMID41369476

DOI10.3390/nano15231804

PMCPMC12693027

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