Materials Literature
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This work presents the influence of some graphite physico-chemical characteristics such as morphology, structure, textural properties, surface functionality and active surface area (ASA) on the electrochemical performance. The reversible and irreversible capacities, SEI formation at different charging rates, cycling a…
A series of hematite hierarchical structures, including amorphous hierarchical spheres with varied internal polycrystalline structures, single-crystalline nanoflakes and co-aligned micro-layered structures, have been fabricated by simply controlling the reaction time in a one-step hydrothermal procedure. In the early…
A novel and highly sensitive fiber-optic DNA sensor based on a thin-core fiber modal interferometer (TCFMI) is demonstrated by using a layer-by-layer (LbL) self-assembly technology. Poly(ethylenimine) (PEI), poly(acrylic acid) (PAA) and single-stranded DNA (ssDNA) were used for the preparation of a polyelectrolyte mul…
Aqueous two-phase system (ATPS) composed of polyethylene glycol 6000 (PEG 6000) and sodium citrate (SC) has been proposed to recover the valuable soluble proteins from tannery wastewater. A sequential optimization strategy which included fractional factorial design (fFD) and central composite design (CCD) was employed…
Cancer is a major cause of mortality in the modern world, with more than 10 million new cases every year. This out-line is expected to rise in the next few decades since the majority (59%) of peo-ple diagnosed with cancer is aged over 65. In fact, around one in three people will be diagnosed with cancer throughout the…
Cu2ZnSnS4 (CZTS) nanoparticles were synthesized by sonochemical reactions under multibubble sonoluminescence (MBSL) conditions. First, Cu2SnS3 (CTS) nanoparticles were synthesized by the sonochemical method with a 91.3% yield. Second, ZnS was coated on Cu2SnS3 nanoparticles by the same method. Then, they were transfor…
BACKGROUND: The research aimed to improve the overall conversion efficiency of the CTec® family of enzymes by identifying factors that lead to inhibition and seeking methods to overcome these through process modification and manipulation. The starting material was pulp derived from municipal solid waste and processed…
Metal nanowire transparent networks are promising replacements to indium tin oxide (ITO) transparent electrodes for optoelectronic devices. While the transparency and sheet resistance are key metrics for transparent electrode performance, independent control of the film light scattering properties is important to deve…
Au nanoparticles (NPs) carrying different stabilizers (PVP, PVA and CTAB) were prepared by stabilizer-exchange of freshly prepared citrate (Citr)-stabilized Au NPs (Au-Citr) with the substitute stabilizers, respectively. The stabilizer substitutions were monitored with UV-vis spectroscopy and the resultant Au particle…
Laminin-derived peptide coatings can enhance epithelial cell adhesion to implants, and the positive effect of these peptides on bone cell adhesion has been anticipated. The purpose of this study was to evaluate the improvement in bone cell attachment to and activity on titanium (Ti) scaffolds coated with a laminin-der…
A series of gel forming symmetrical bis-sugar-triazoles has been developed for the recognition of Hg2+ ions. Preferential interaction of Hg2+ ions with organogelator based chemosensor 3f led to changes in the morphology as evidenced from FESEM and HRTEM analysis.
For the purpose of achieving targeted chemotherapy of pancreatic cancer, we prepared core-shell nanoparticles by coaxial electrospray technology, with folate-chitosan as the polymeric coating material and gemcitabine as the encapsulated drug. The effects of various solution properties and processing parameters on nano…
A ZnFe2O4-ZnO nanorod array (NRA) with a three-dimensional network nanometer structure was prepared. The photoelectrochemical performance of the ZnFe2O4-ZnO NRA composite is significantly improved due to the formation of a p-n heterojunction electric field at the interface between ZnFe2O4 and ZnO, the increase of the…
We demonstrated the layer-by-layer synthesis of γ-Fe2O3@SnO2@C porous core-shell nanorods. FeOOH nanorods were first synthesized via a hydrothermal process, and acted as a template for subsequent layer-by-layer deposition. It was indicated that the electrostatic attraction between the charged species may play the key…
Monomeric hIAPP significantly destabilizes both model and live cell membranes by increasing membrane fluidity. This interaction with membranes happens via carpet formation followed by lipid extraction in a concentration dependent manner and thus we propose that hIAPP aggregation prior to membrane interaction may not b…
A highly selective fluorescent probe for detection of hydrazine exhibiting good performance in a physiological environment has been developed over other closely related analytes. Furthermore, hydrazine in diluted human blood was tested and the method was applied in live cells.
We report for the first time the synthesis of polyethyleneimine (PEI) grafted hyperbranched conjugated polyelectrolytes (HCPEs) and demonstrate their applications as gene vectors and fluorescent contrast agents for imaging of gene delivery. The HCPE was synthesized via a facile cyclotrimerization reaction catalyzed by…
The geometries, electronic structures and absorption spectra of two unsymmetrical squaraine dyes (SQ1 and SQ2) were theoretically investigated by using density functional theory (DFT) and time-dependent DFT (TD-DFT). The dye-(TiO2)9 nanocluster systems were also simulated to show the electronic coupling at the interfa…
Using yttrium aluminum garnet (YAG) crystallites as seeds, highly dispersed and isometric nanocrystals of Ce-doped yttrium iron garnet (Y3−xCexFe5O12, Ce-YIG) have been synthesized via a glycothermal process with the average size controllable through varying the concentrations of the relevant reaction species and YAG…
Homoarm and heteroarm core cross-linked star (CCS) polymers based on poly(N,N-dimethylacrylamide) (PDMA) as the high-polarity arm and poly(2-methoxyethylacrylate) (PMEA) as the low-polarity arm were efficiently prepared via reversible addition-fragmentation chain transfer (RAFT) polymerization in a dispersion polymeri…