Green synthesis of antimicrobial silver nanoparticles using aqueous leaf extracts from three Congolese plant species (Brillantaisia patula, Crossopteryx febrifuga and Senna siamea)
Autor: | Rui W. M. Krause, Espoir K. Kambale, Christian Isalomboto Nkanga, Blaise-Pascal I. Mutonkole, Patrick B. Memvanga, Alain M. Bapolisi, Daniel O. Tassa, Jean-Marie Iyamba Liesse |
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Jazyk: | angličtina |
Rok vydání: | 2020 |
Předmět: |
0301 basic medicine
Nanoparticle Silver nanoparticle Article Green synthesis 03 medical and health sciences 0302 clinical medicine Engineering Medicinal plants Senna siamea lcsh:Social sciences (General) Fourier transform infrared spectroscopy lcsh:Science (General) Brillantaisia Multidisciplinary biology Chemistry Health sciences biology.organism_classification Antimicrobial Materials science Biological sciences 030104 developmental biology lcsh:H1-99 Antibacterial activity Silver nanoparticles 030217 neurology & neurosurgery lcsh:Q1-390 Nuclear chemistry Leaf aqueous extracts |
Zdroj: | Heliyon Heliyon, Vol 6, Iss 8, Pp e04493-(2020) |
ISSN: | 2405-8440 |
Popis: | In the present study, silver nanoparticles (AgNPs) were synthesized using aqueous leaf extracts of three Congolese plant species, namely Brillantaisia patula (BR-PA), Crossopteryx febrifuga (CR-FE) and Senna siamea (SE-SI). The obtained AgNPs were studied for their optical, structural, surface morphological and antibacterial properties. The prepared AgNPs were characterized by using UV-Visible spectra, Transmission Electron Microscopy (TEM), Fourier Transform Infrared Spectroscopy (FTIR), X-ray spectroscopy (EDX) and X-ray diffractometer (XRD). The synthesized nanoparticles were spherical shaped and well-dispersed with average sizes ranging from 45 to 110 nm. The AgNPs derived from BR-PA, CR-FE and SE-SI exhibited higher antibacterial activity against three bacterial pathogens of the human skin compared to their respective crude extracts and AgNO3. This indicated that the biomolecules covering the nanoparticles may enhance the biological activity of metal nanoparticles. Hence, our results support that biogenic synthesis of AgNPs from Congolese plants constitutes a potential area of interest for the therapeutic management of microbial diseases such as infectious skin diseases. Green synthesis; Medicinal plants; Silver nanoparticles; Leaf aqueous extracts; Antibacterial activity; Engineering; Materials science; Chemistry; Biological sciences; Health sciences. |
Databáze: | OpenAIRE |
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