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Mundo nano. Revista interdisciplinaria en nanociencias y nanotecnología
versión On-line ISSN 2448-5691versión impresa ISSN 2007-5979
Resumen
TORRES-GOMEZ, Nayely; AVILA-AVILES, Rodolfo D. y VILCHIS-NESTOR, Alfredo R.. Biosynthesis and characterization of nanostructures by electron microscopy. Mundo nano [online]. 2020, vol.13, n.25, pp.29-43. Epub 25-Nov-2020. ISSN 2448-5691. https://doi.org/10.22201/ceiich.24485691e.2020.25.69637.
The methods to obtain nanostructures have been a fundamental area of study since the beginning of the nanotechnology. The biosynthesis of nanostructures is inspired by the behavior that some microorganisms and plants have for subsisting in environments with chemical stress. This paper presents newfangled examples of biosynthesis achieved by our research group in order to obtain Ag and Au nanostructures with tunable morphology using Anemopsis californica extract as reducing agent of Ag+1 and Au+3 ions; as well the synthesis assisted by Camellia sinensis extract of magnetite nanoparticles (Fe3O4) with homogeneous size and an excellent crystalline phase control in contrast with other biogenic methods reported in the literature. Additionally, the effective use of biotemplates to design nanostructured materials with green synthesis methods is demonstrated. Finally, the evidence of the nanomaterials generated from biosynthesis was shown via characterization with transmission electron microscopy, scanning electron microscopy and X-ray energy dispersion spectroscopy.
Palabras llave : biosynthesis; Camellia sinensis; Anemopsis californica; Ag, Au and Fe3O4 nanoparticles; biotemplate; electron microscopy.