This study aimed at evaluating the visible light mediated antimicrobial and osteogenic applications of noble metal, such as gold (Au) and platinum (Pt) coated titania (TiO) nanotubes (NTs). In this study, the Au and Pt nanoparticles (NPs) were deposited on anodized 100 nm TiO NTs by ion plasma sputtering. The Au and Pt NPs were mainly deposited on the top surface layer of TiO NTs and showed light absorbance peaks around the 470 and 600 nm visible light region used in this study, as seen from the surface characterization. From the results of antibacterial activity test, Au and Pt NPs that were deposited on TiO NTs showed excellent antibacterial activity under 470 nm visible light irradiation due to the plasmonic photocatalysis based on the localized surface plasmon resonance effect of the Au and Pt NPs. In addition, alkaline phosphate activity test and quantitative real-time PCR assay of osteogenic related genes resulted that these NPs promoted the osteogenic functionality of human mesenchymal stem cells (hMSCs) under 600 nm visible light irradiation, because of the synergic effect of the photothermal scattering of noble metal nanoparticles and visible light low-level laser therapy (LLLT). Therefore, the combination of noble metal coated TiO NTs and visible light irradiation would be expected to perform permanent antibacterial activity without the need of an antibacterial agent besides promoting osteogenic functionality.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7503458 | PMC |
| http://dx.doi.org/10.3390/ma13173721 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Machine Learning Assisted Bithiophene Based Donor Acceptor Selection to Design New Fluoresent Dyes for Photovoltaic Applications.
J Fluoresc
January 2025
Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia.
This study investigates the electronic properties and photovoltaic (PV) performance of newly designed bithiophene-based dyes, focusing on their light harvesting efficiency (LHE), open-circuit voltage (V), fill factor (FF), and short-circuit current density (J).These new dyes are designed with the help of machine learning (ML) to design best donor acceptor designs. For this, we collect 2567 differenr electron donor groups and calculated their bandgap with the help of Random Forest (RF) Regression method.
View Article and Find Full Text PDFOptimizing Electronic and Photovoltaic Properties of D-π-A Organic Dyes for DSSCs Using Density Functional Theory.
J Fluoresc
January 2025
Department of Physics \ Collage of Sciences, University of Kufa, Najaf, Iraq.
This research utilizes density functional theory to investigate the ground and excited-state properties of a new series of organic dyes with D-π-A configurations (D1-D6) for their potential application in dye-sensitized solar cells. The study focuses on modifying these dyes using various functional groups as π-bridges to optimize their electronic properties and improve their efficiency as sensitizers in DSSCs. The frontier molecular orbitals (HOMO and LUMO) were analysed to evaluate electron transfer properties.
View Article and Find Full Text PDFHighly Luminescent Nitrogen Doped Carbon Quantum Dots for Mercury Ion Sensing with Antibacterial Activity.
J Fluoresc
January 2025
Department of Chemistry, The University of Burdwan, Golapbag, Burdwan, 713104, India.
Nitrogen doped Carbon Quantum Dots (NCQDs) have been synthesized using most economical and easiest hydrothermal process. Here, N-phenyl orthophenylenediamine and citric acid were utilised as a source of nitrogen and carbon for the preparation of NCQDs. The synthesized NCQDs were characterized using experimental techniques like UV - Vis absorption, FT-IR, transmission electron microscopy (TEM), X-ray Diffraction (XRD), EDX, dynamic light scattering (DLS), fluorimeter and time resolved fluorescence spectroscopy.
View Article and Find Full Text PDFThe Role of Aspect During Deverbal Word Processing in Greek.
J Psycholinguist Res
January 2025
Department of Comparative and General Linguistics, Faculty of Arts, University of Ljubljana, Ljubljana, Slovenia.
Deverbal formations in Greek, e.g. mi'razo 'to distribute' < 'mirazma 'distributing' are considered morphologically complex lexical items.
View Article and Find Full Text PDFCycling Dof Factor 3 mediates light-dependent ascorbate biosynthesis by activating GDP-L-galactose phosphorylase in Rosa roxburghii fruit.
Plant Physiol
January 2025
Guizhou Engineering Research Center for Fruit Crops, Agricultural College, Guizhou University, Guiyang, Guizhou, China.
Light plays an important role in determining the L-ascorbate (AsA) pool size in plants, primarily through the transcriptional regulation of AsA metabolism-related genes. However, the specific mechanism of transcriptional induction responsible for light-dependent AsA biosynthesis remains unclear. In this study, we used a promoter sequence containing light-responsive motifs from GDP-L-galactose phosphorylase 2 (RrGGP2), a key gene involved in AsA overproduction in Rosa roxburghii fruits, to identify participating transcription factors.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!