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| Content Provider | IET Digital Library |
|---|---|
| Author | Elegbede, Joseph Adetunji Lateef, Agbaje Azeez, Musibau Adewuyi Asafa, Tesleem Babatunde Yekeen, Taofeek Akangbe Oladipo, Iyabo Christianah Adebayo, Elijah Adegoke Beukes, Lorika Selomi Kana, Evariste Bosco Gueguim |
| Abstract | Green synthesis of nanoparticles has fuelled the use of biomaterials to synthesise a variety of metallic nanoparticles. The current study investigates the use of xylanases of Aspergillus niger L3 (NEA) and Trichoderma longibrachiatum L2 (TEA) to synthesise silver nanoparticles (AgNPs). Characterisation of AgNPs was carried out using UV–Vis spectroscopy, Fourier transform infrared spectroscopy (FTIR), and transmission electron microscopy, while their effectiveness as antimicrobial, antioxidant, catalytic, anticoagulant, and thrombolytic agents were determined. The colloidal AgNPs was brownish with surface plasmon resonance at 402.5 and 410 nm for NEA-AgNPs and TEA-AgNPs, respectively; while FTIR indicated that protein molecules were responsible for the capping and stabilisation of the nanoparticles. The spherical nanoparticles had size of 15.21–77.49 nm. The nanoparticles significantly inhibited the growth of tested bacteria (63.20–88.10%) and fungi (82.20–86.10%), and also scavenged DPPH (37.48–79.42%) and hydrogen peroxide (20.50–96.50%). In addition, the AgNPs degraded malachite green (78.97%) and methylene blue (25.30%). Furthermore, the AgNPs displayed excellent anticoagulant and thrombolytic activities using human blood. This study has demonstrated the potential of xylanases to synthesise AgNPs which is to the best of our knowledge the first record of such. The present study underscores the relevance of xylanases in nanobiotechnology. |
| Starting Page | 857 |
| Ending Page | 863 |
| Page Count | 7 |
| ISSN | 17518741 |
| Volume Number | 12 |
| e-ISSN | 1751875X |
| Issue Number | Issue 6, Sep (2018) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-nbt/12/6 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-nbt.2017.0299 |
| Journal | IET Nanobiotechnology |
| Publisher Date | 2018-04-06 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Alloys Antibacterial Activity Anticoagulant Agents Antimicrobial Agents Antioxidant Agents Aspergillus Niger L3 Biomaterial Biomedical Application Blood Catalysis Catalytic Agents Catalytic Application Collective Excitations (surface States) Colloidal Nanoparticles Colloids DPPH Fourier Transform Infrared Spectra Fourier Transform Infrared Spectroscopy FTIR Spectra Fungal Xylanases-mediated Synthesis Green Synthesis Heterogeneous Catalysis at SurFace And Other Surface Reactions Human Blood Hydrogen Peroxide Infrared And Raman Spectra in Metals Malachite Green Metallic NanoParticle Methylene Blue Microorganisms Nanobiotechnology Nanofabrication Nanoparticle Nanotube And Nanostructured Material Optical Property of Metals And Metallic Alloy Particle Size Protein Molecule Semimetals Silver Compound Silver NanoParticle Spherical NanoParticle Structure of Solid Clusters Surface Plasmon Polariton Propagation Property Thrombolytic Agent Transmission Electron Microscopy Trichoderma Longibrachiatum L2 Ultraviolet Spectra UV-visible Spectroscopy Visible And Ultraviolet Spectra of Metals Visible Spectra |
| Content Type | Text |
| Resource Type | Article |
| Subject | Nanoscience and Nanotechnology Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering Biotechnology |
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