In this study, a periodic three-dimensional (3D) Ag/TiO nanocomposite architecture of nanowires was fabricated on a flexible substrate to enhance the plasmonic photocatalytic activity of the composite. Layer-by-layer nanofabrication based on nanoimprint lithography, vertical e-beam evaporation, nanotransfer, and nanowelding was applied in a new method to create different 3D Ag/TiO nanocomposite architectures. The fabricated samples were characterized by scanning electron microscopy, transmission electron microscopy, focused ion-beam imaging, X-ray photoelectron spectrometry, and UV-visible spectroscopy. The experiment indicated that the 3D nanocomposite architectures could effectively enhance photocatalytic activity in the degradation of methylene blue solution under visible light irradiation. We believe that our method is efficient and stable, which could be applied to various fields, including photocatalysis, solar energy conversion, and biotechnology.
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http://dx.doi.org/10.1038/s41598-017-09401-z | DOI Listing |
J Trace Elem Med Biol
December 2024
Department of Pharmacy, Al-Mustaqbal University, Hillah, Babylon 51001, Iraq.
Background: Single-walled (SWCNTs) and multi-walled carbon nanotubes (MWCNTs) can pose risks in biological systems leading to harmful effects, such as, reactive oxygen species (ROS) formation, DNA damage, mitochondrial dysfunction, and ultimately, the cell death through apoptosis.
Objectives: The study assessed the nephrotoxicity of the SWCNTs and SWCNTs-Ag-TiO nanocomposites through in vitro and in vivo experiments, assessing oxidative stress, genotoxicity, and safety for biomedical applications.
Methodology: In vitro, HK-2 cell lines were utilized to evaluate the effects of nanomaterials on cellular activity, apoptosis, ROS generation, and micronuclei formations.
Int J Nanomedicine
November 2024
State Key Laboratory of Respiratory Disease for Allergy at Shenzhen University, Shenzhen Key Laboratory of Allergy & Immunology, School of Medicine, Shenzhen University, Shenzhen, People's Republic of China.
Purpose: Synthesis and characterization of silver (Ag)/titanium dioxide (TiO) nanocomposite (ATA) to investigate its antiviral activity against the H1N1 influenza virus and antiviral mechanisms.
Materials And Methods: A water-dispersible ATA was prepared by a photocatalytic reduction process from AgNO and TiO. The characterization of ATA was performed by ultraviolet-visible spectroscopy, X-ray diffraction, high-resolution transmission electron microscopy and energy-dispersive X-ray spectroscopy.
Heliyon
August 2024
Department of Textile Engineering, Functional Fibrous Structures & Environmental Enhancement (FFSEE), Amirkabir University, PO Box 15875-4413, Tehran, Iran.
Photocatalysts and noble metals have attracted considerable attention for their potential in addressing global environmental pollution through photochemical processes. At low temperatures, multifunctional self-cleanable wool fabric was developed through green photo-sonosynthesis of N-Ag/TiO2/ZnO. A narrower bandgap of the hybrid photocatalyst, the surface plasmonic resonance effect of silver nanostructures, and nitrogen doping resulted in synergistically enhanced self-cleaning activity.
View Article and Find Full Text PDFHeliyon
August 2024
Department of Chemistry, Kenyatta University, P.O. Box 43844-00100 Nairobi, Kenya.
This work synthesized Ag/TiO nanocomposite via an aqueous reduction method using a green and chemical reducing agent. (watermelon) rind extract (WMRE) and sodium borohydride (NaBH) were used as the reducing agents during green synthesis and chemical synthesis, respectively. During green synthesis, a pH of 12, a reaction time of 45 min, and an operating temperature of 100 °C yielded the best visible light activity.
View Article and Find Full Text PDFInt J Biol Macromol
June 2024
Microbial Activity Unit, Department of Microbiology, Soils, Water and Environment Research Institute, Agricultural Research Center, Giza 12619, Egypt. Electronic address:
This study presents a novel and efficient approach for pullulan production using artificial neural networks (ANNs) to optimize semi-solid-state fermentation (S-SSF) on faba bean biomass (FBB). This method achieved a record-breaking pullulan yield of 36.81 mg/g within 10.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!