Materials Literature
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The metal coordinating ability of a bipyridine ligand at the core of a peptide dendrimer was found to be controlled by the nature of amino acids placed at the dendrimer periphery, with coordination being promoted by anionic residues and inhibited by cationic residues; heterotrimers with mixed charges were preferential…
The results of our multitechnique investigation performed on diindenoperylene thin films deposited on rutile TiO2(110) show island growth, with crystallites nucleating preferentially along the [110] substrate crystallographic axis. The findings evidence that the films' properties at the interface are common to those f…
Tungstosilicate acid (TSA)-Ag nanocomplex were synthesized based on the reduction of silver nitrate by UV-irradiated tungstosilicate acid solution. The nanocomposite films consisting of TSA-Ag composite nanoparticles and chitosan (CTS) were fabricated by layer-by-layer self-assembly technique. The coverage degree of T…
Self-labeled magneto nanoprobes (SLMNs) were synthesized for one-step labeling of human mesenchymal stem cells (hMSCs) via non-invasive magnetic resonance (MR) image tracking. The surface of superparamagnetic nanocrystals (SMNCs) were enveloped by tri-aminated polysorbate 80 (TP80) not only for enhancement of the affi…
A decalin gel consisting of a 3,3'-bis[{(octylamino)carbonyl}propoxy]azobenzene derivative with H-aggregation showed a photon-density dependent E-Z isomerization, indicating the cooperating isomerization of each module.
This paper presents the synthesis of epoxy based Multiwalled Carbon nanotubes (MWCNTs) reinforced composites by method of sonication. The variation in the nature of reinforcement (Aligned & Randomly oriented MWNTS) has resulted in the improvement of mechanical properties like flexural modulus, tensile strength and har…
Decreasing the operating temperature of solid oxide fuel cells (SOFCs) can reduce degradation of cell and stack materials and can reduce the cost of these materials as well through the use of metallic materials. These qualities have motivated the development of microtubular SOFCs for operation in the intermediate temp…
The perovskite-type oxides using transition metals present a promising potential as catalysts in total oxidation reaction. The present work investigates the effect of synthesis by oxidant co-precipitation on the catalytic activity of perovskite-type oxides LaBO3 (B= Co, Ni, Mn) in total oxidation of propane and CO. Th…
For decades manganese steel casts have been most used materials for manufacturing elements subjected to impact and high stress abrasion. These materials are used in countless industrial applications that involve crushing of raw material by impact. Some of most important characteristics of manganese cast steels are wor…
This research work studies the microstructural changes in SAF 2507 superduplex stainless steel after thermal cycle in the range from 200 to 900°C for 20 minutes. The results showed there is no microstructural change in the temperature range of 200-700°C. However, over 800°C the sigma phase precipitates; the percentage…
Aluminoborosilicate glasses of general composition (0.14 − x/2.2)SiO2:(0.07 − x/4.2)B2O3:(0.09 − x/3.3)Na2O:0.40CaO:xAl2O3 (0.00 ≤ x ≤ 0.30) were synthesised using standard melt quenching methods and analysed by 11B, 23Na, 27Al and 29Si solid-state nuclear magnetic resonance (NMR) spectroscopy. Calculations based on e…
The preparation of exquisite hierarchical worm-like silica nanotubes by a simple sol–gel method is successfully achieved for the first time. Poly(2-(dimethylamino)ethyl methacrylate)-grafted multiwall carbon nanotubes (MWNT-g-PDMAEMA) were used as a sacrificial template, subsequent hydrolysis and polycondensation of t…
With the aid of Monte Carlo simulations we investigate the equilibrium behavior of amphiphilic dendrimers, isolated as well as in the vicinity of uncharged planar walls, whereby the core- and shell-monomers constituting the dendrimer interact differently among themselves and with the wall surface. Contrary to the dens…
The reaction of H2phpzR (R = Me, Ph; H2phpzMe = 3(5)-(2-hydroxyphenyl)-5(3)-methylpyrazole and H2phpzPh = 3(5)-(2-hydroxyphenyl)-5(3)-phenylpyrazole) with Mn(O2CR').nH2O (R' = Me and Ph) and (nBu4N)MnO4 in ethanol (EtOH) affords three new manganese(III) compounds, [Mn3(mu3-O)(phpzMe)3(O2CMe)(EtOH)].EtOH (1), (nBu4N)[M…
Shape-dependent sensitivity of localized surface plasmon-based biosensing was investigated by combining single-particle protein-sensing and multiple multipole program simulation. Significantly higher sensitivity was observed for tetrahedral particles than spherical ones, which was revealed by careful structural analys…
Layered double hydroxides (LDHs) have a wide range of potential uses due to their ability to intercalate anionic species, including poly-anionic biopolymers. Atomistic simulations can provide considerable insight into these nano-structured materials, particularly given the recent advance in high-performance computing…
Hemodialysis arteriovenous grafts are often plagued by stenosis at the anastomosis, which is due to the proliferation of vascular smooth muscle cells (SMCs). To prevent the stenosis, we have been developing a strategy for the sustained perivascular delivery of an antiproliferative agent, rapamycin, using an injectable…
The vanadosilicate zeolite AM-6 is shown by a combination of spectroscopic techniques (UV-vis, Raman, XPS, XAS and EPR) to contain linear chains of alternating V=O and V-O bonds. The V(IV) ions in these chains are ferromagnetically coupled, and an excellent fit a to the susceptibility data with a one-dimensional Heise…
Carbon and carbon/nickel composite nanorod array electrodes possessing different graphene orientations and crystallinities were synthesized using an anodic aluminium oxide film as a template, and their electrochemical behavior was examined by cyclic voltammetry for the redox reactions of ferri/ferro hexacyanide ions.…
In this paper, we report the influence of chain length of organic modifier on the crystallinity and nanomechanical properties of polymer clay nanocomposites (PCNs) using modifiers of three different chain lengths while maintaining the same functional groups. We also report the influence of change in functional group o…