Facile Synthesis of Biologically Derived Fluorescent Carbon Nanoparticles (Fcnps) from an Abundant Marine Alga and its Biological Activities

Biologically derived carbon-based nanomaterials have been gaining attention in the recent years due to its various potential medical applications. In this study, fluorescent carbon nanoparticles (FCNPs) derived from an abundant alga, Cladophora vagabunda, is first reported. FCNPs with an average dia...

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Bibliographic Details
Published in:Oriental journal of chemistry 2018-01, Vol.34 (2), p.791-799
Main Authors: Calangian, Maria Theresa F, Ildefonzo, Abigail B, Manzano, Vanessa Kate S, Genesis Julyus T Agcaoili, Ganado, Rey Joseph J, Yago, Allan Christopher C, Magdaluyo, Eduardo R, Jr, Vasquez, Ross D, Franco, Francisco C
Format: Article
Language:English
Subjects:
Algae
Antioxidants
Biocompatibility
Biological activity
Biological materials
Carbon
E coli
Ethanol
Flavonoids
Fluorescence
Lethality
Marine biology
Nanomaterials
Nanoparticles
Optical properties
Particle size
Phenols
Phytochemicals
Quantum dots
Saline water
Synthesis
Toxicity
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Summary:Biologically derived carbon-based nanomaterials have been gaining attention in the recent years due to its various potential medical applications. In this study, fluorescent carbon nanoparticles (FCNPs) derived from an abundant alga, Cladophora vagabunda, is first reported. FCNPs with an average diameter of ~43 nm was synthesized via hydrothermal process, a simple and green method. The synthesized FCNPs exhibited absorbances in the ultraviolet to visible regions and emissions at 600 and 650nm. Phytochemical screening and bioactivity tests were conducted to determine various bioactive compounds present in the FCNP surface and its antibacterial, antioxidant, and cytotoxic properties. Results showed that FCNPs from C. vagabunda contains tannin, saponin, flavonoids, and phenolic compounds which are known for their antimicrobial property as supported by the result of agar well diffusion method using a Gram-positive S. aureus and Gram-negative E. coli. Moreover, FCNPs shows inactive cytotoxicity using brine shrimp lethality test at ratio as high as 1:1 in 40% (v/v) ethanol. The results suggest the potential use of FCNPs from C. vagabunda as a fluorescent material with various biological activities.
ISSN:0970-020X
2231-5039
DOI:10.13005/ojc/340224