M. Vishnu Kiran*, S. Murugesan
Unit of Algal Biotechnology and Bionanotechnology, PG and Research Department of Plant biology and Biotechnology, Pachaiyappa’s College, University of Madras, Chennai – 600 030, Tamilnadu, India.
https://doi.org/10.30799/jnst.298.20060202
M. Vishnu Kiran, S. Murugesan, Biosynthesis and characterization of silver nanoparticles from marine macroscopic red seaweed Halymenia porphyroides Boergesen (crypton),
J. Nanosci. Tech. 6(2) (2020) 886–890.
In the present study, economically scalable and energy efficient colloidal silver (Ag) nanoparticles were biosynthesized from marine red seaweed Halymenia porphyroides Boergesen (crypton) collected from southeast coast of Tamilnadu, India. The silver nanoparticles were biosynthesized as per green synthesis protocol. The rich presence of phytochemicals, bioactive compounds and secondary metabolites in marine macroscopic red seaweed Halymenia porphyroides Boergesen (crypton) play a major role since they possess reducing and capping agents for the biosynthesis of silver nanoparticles that may be environmentally acceptable and eco-friendly. Therefore, the red seaweed Halymenia porphyroides Boergesen was used in the experimental study for the biosynthesis of silver nanoparticle. The biosynthesized silver nanoparticles from marine macroscopic red seaweed Halymenia porphyroides Boergesen were characterized by UV-vis spectroscopy which confirmed the surface plasmon resonance of silver nanoparticles, Fourier transform infrared (FT-IR) spectroscopy to identify the presence of various functional groups in biomolecules responsible for the bio reduction of Ag+ and capping/stabilization of silver nanoparticles. X-ray diffraction (XRD) to observe face center cubic (fcc) and crystalline nature of silver nanoparticles, thermo gravimetic analysis (TGA) which revealed the thermal stability and purity of the silver nanoparticles. Particle size distribution and morphology were investigated by scanning electron microscope (SEM) which showed silver nanoparticles in the size range of 34.3-80.5 nm. The particle distribution under different nanometers was analyzed using transmission electron microscopy (TEM).
Unit of Algal Biotechnology and Bionanotechnology, PG and Research Department of Plant biology and Biotechnology, Pachaiyappa’s College, University of Madras, Chennai – 600 030, Tamilnadu, India.
https://doi.org/10.30799/jnst.298.20060202
M. Vishnu Kiran, S. Murugesan, Biosynthesis and characterization of silver nanoparticles from marine macroscopic red seaweed Halymenia porphyroides Boergesen (crypton),
J. Nanosci. Tech. 6(2) (2020) 886–890.
In the present study, economically scalable and energy efficient colloidal silver (Ag) nanoparticles were biosynthesized from marine red seaweed Halymenia porphyroides Boergesen (crypton) collected from southeast coast of Tamilnadu, India. The silver nanoparticles were biosynthesized as per green synthesis protocol. The rich presence of phytochemicals, bioactive compounds and secondary metabolites in marine macroscopic red seaweed Halymenia porphyroides Boergesen (crypton) play a major role since they possess reducing and capping agents for the biosynthesis of silver nanoparticles that may be environmentally acceptable and eco-friendly. Therefore, the red seaweed Halymenia porphyroides Boergesen was used in the experimental study for the biosynthesis of silver nanoparticle. The biosynthesized silver nanoparticles from marine macroscopic red seaweed Halymenia porphyroides Boergesen were characterized by UV-vis spectroscopy which confirmed the surface plasmon resonance of silver nanoparticles, Fourier transform infrared (FT-IR) spectroscopy to identify the presence of various functional groups in biomolecules responsible for the bio reduction of Ag+ and capping/stabilization of silver nanoparticles. X-ray diffraction (XRD) to observe face center cubic (fcc) and crystalline nature of silver nanoparticles, thermo gravimetic analysis (TGA) which revealed the thermal stability and purity of the silver nanoparticles. Particle size distribution and morphology were investigated by scanning electron microscope (SEM) which showed silver nanoparticles in the size range of 34.3-80.5 nm. The particle distribution under different nanometers was analyzed using transmission electron microscopy (TEM).
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