Changes in the Dunaliella salina biomass composition during silver nanoparticles formation

For the first time, microalga Dunaliella salina was successfully applied for synthesis of silver nanoparticles. The process of nanoparticles production was monitored using UV–Vis spectroscopy which exhibited surface plasmon resonance band at 432 nm. Scanning electron microscopy confirmed the presenc...

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Bibliographic Details
Published in:Nanotechnology for environmental engineering 2022-03, Vol.7 (1), p.235-243
Main Authors: Cepoi, Liliana, Zinicovscaia, Inga, Rudi, Ludmila, Chiriac, Tatiana, Turchenko, Vitalii
Format: Article
Language:English
Subjects:
Biochemical composition
Biomass
Biosynthesis
Carotene
Composition
Dunaliella salina
Earth and Environmental Science
Earth Sciences
Environment
Environmental Science and Engineering
Fourier transforms
Functional groups
Infrared spectroscopy
Lipids
Nanoparticles
Nanotechnology and Microengineering
Original Paper
Scanning electron microscopy
Silver
Spectrum analysis
Surface plasmon resonance
X-ray diffraction
β-Carotene
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Summary:For the first time, microalga Dunaliella salina was successfully applied for synthesis of silver nanoparticles. The process of nanoparticles production was monitored using UV–Vis spectroscopy which exhibited surface plasmon resonance band at 432 nm. Scanning electron microscopy confirmed the presence of spherical silver nanoparticles having diameter in the range of 15–40 nm. Crystalline nature of produced nanoparticles was confirmed by X-ray diffraction, and Fourier transform infrared spectroscopy revealed the involvement of functional groups in nanoparticles formation. The changes in the biomass biochemical composition during silver nanoparticles biosynthesis were assessed as well. Formation of silver nanoparticles was accompanied by the decrease in proteins, β-carotene and lipids content in biomass.
ISSN:2365-6379
2365-6387
DOI:10.1007/s41204-022-00218-4