2017
DOI: 10.2147/ijn.s137703
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Abstract: The biosynthesis of metallic nanoparticles (NPs) using biological systems such as fungi has evolved to become an important area of nanobiotechnology. Herein, we report for the first time the extracellular synthesis of highly stable silver NPs (AgNPs) using the nematophagous fungus Duddingtonia flagrans (AC001). The fungal cell-free filtrate was analyzed by the Bradford method and 3,5-dinitrosalicylic acid assay and used to synthesize the AgNPs in the presence of a 1 mM AgNO 3… Show more

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Cited by 84 publications
(27 citation statements)
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“…The bands identified as amide I and amide II occur because of the vibrations of axial C=O deformation and angular N−H deformation in the amide links of the proteins. 20,21 The FTIR spectroscopy of the AgNPs synthesized by green synthesis in this study (Figure 3) and the filtrate used for the synthesis, similarly to the study by Costa Silva et al, 11 showed bands at 1,640 and 1,540 cm −1 related to amide I and amide II groups, respectively; band at 996 cm −1 for the stretching of typical C−O−C bonds of acyclic saturated aliphatic anhydrides; 22 band at 1,344 cm −1 related to asymmetric axial deformations of the group SO 2 ; 23 and weak band at 1,998 cm −1 associated to the group. 22 The pattern obtained from the XRD of the synthesized AgNPs by green synthesis showed four intense peaks in spectrum of 2θ from 30° to 80°.…”
Section: Resultsmentioning
confidence: 55%
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“…The bands identified as amide I and amide II occur because of the vibrations of axial C=O deformation and angular N−H deformation in the amide links of the proteins. 20,21 The FTIR spectroscopy of the AgNPs synthesized by green synthesis in this study (Figure 3) and the filtrate used for the synthesis, similarly to the study by Costa Silva et al, 11 showed bands at 1,640 and 1,540 cm −1 related to amide I and amide II groups, respectively; band at 996 cm −1 for the stretching of typical C−O−C bonds of acyclic saturated aliphatic anhydrides; 22 band at 1,344 cm −1 related to asymmetric axial deformations of the group SO 2 ; 23 and weak band at 1,998 cm −1 associated to the group. 22 The pattern obtained from the XRD of the synthesized AgNPs by green synthesis showed four intense peaks in spectrum of 2θ from 30° to 80°.…”
Section: Resultsmentioning
confidence: 55%
“…To characterize the molecules that can be absorbed on the surface of the biosynthesized NPs, the FTIR spectroscopy was used. 19 When Costa Silva et al 11 analyzed the samples of the synthesized AgNPs from the fungus D. flagrans in the FTIR, they reported two specific bands of proteins at 1,640 and 1,540 cm −1 identified as amide I and amide II, respectively, in addition to the band at 2,665 cm −1 , which is characteristic of the axial O−H deformation of carboxylic acid, and stretch bands at 730 cm −1 (CH 2 −S−S, possibly related to the cross-linking of disulfide between the amino acid cysteine), 1,000 cm −1 (C−O), 1,811 cm −1 (anhydrous C=O), 2,100 cm −1 (C≡O), 2,326 cm −1 , and at 2,665, 3,600, and 3,751 cm −1 (O−H).…”
Section: Resultsmentioning
confidence: 99%
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“…26 Green nanotechnology offers synthetic pathways that are both environmentally friendly and cost-effective approaches. These methods of synthesis include the use of biological organisms, such as bacteria, 19,27 fungi 28,29 or plants, 30 and natural organic compounds, such as fruit extracts 31 or polysaccharides, 32 that have the ability to reduce metallic ions and stabilize the synthesized nanomaterials. Furthermore, hydrothermal methods have been gaining attention as green chemistry approaches due to the ability to adapt these reactions to environmentally friendly methods for NP production.…”
Section: Introductionmentioning
confidence: 99%