Materials Literature
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The enzyme thymidylate synthase (TSase), an important chemotherapeutic drug target, catalyzes the formation of 2'-deoxythymidine-5'-monophosphate (dTMP), a precursor of one of the DNA building blocks. TSase catalyzes a multi-step mechanism that includes the abstraction of a proton from the C5 of the substrate 2'-deoxy…
The reaction of AgF2 with P2O3F4 yields a mixed valence Ag(I)/Ag(II) difluorophosphate salt with AgAg(PO2F2)14 stoichiometry - the first Ag(ii)-PO2F2 system known. This highly moisture sensitive brown solid is thermally stable up to 120 °C, which points at further feasible extension of the chemistry of Ag(ii)-PO2F2 sy…
A novel organic system with tunable emission is demonstrated comprising a truxene-based organogel which resonantly transfers energy to a dopant organic molecule.
Motivated by the proposition of a new theoretical ansatz (V.N. Novikov, K.S. Schweizer, A.P. Sokolov, J. Chem. Phys. 138, 164508 (2013)), we have revisited the question of the characterization of the collective response of polyisobutylene at intermediate length scales observed by neutron spin echo (NSE) experiments. T…
This paper introduces a methodology of characterization of nanostructured systems in which trans- mission electron microscopy is used as a central element of the study. Experimental studies of HREM are performed in parallel with studies in the Simula TEM program to stimulate high-resolution images and diffraction patt…
A photochemical approach for dendrite synthesis on a GaN substrate is presented.
New flexible and transparent materials based on germanium sulfide were obtained using GeCl4 and 1,3-propanedithiol as precursors. These materials have transparency in the ultraviolet-visible (UV-Vis) spectral region (about 70%), thermal stability up to 200 °C and glass transition located at temperatures below 0 °C (-3…
Energy has been the cornerstone of sustainable development of our economy and society. The dramatic demand on energy supply to be as unrestricted as possible, however, leads to conflicting feedback loops on the ecological environment. Thus, research is appealing worldwide to diminish the negative environmental consequ…
Polymer nanoparticles based on branched polyethyleneimine and palmitic acid conjugates were fabricated for bortezomib and paclitaxel co-delivery.
Multi-frequency continuous-wave and pulsed EPR techniques are employed to investigate the coordination of nitrogen-containing ligands to Ti(3+)-chloro complexes. Frozen solutions of TiCl3 and TiCl3(Py)3 dissolved in nitrogen-containing solvents have been investigated together with the TiCl3(Py)3 solid-state complex. F…
Predictive theoretical models for mesoscopic roughening of ice require improved understanding of attachment kinetics occurring at the ice-vapor interface. Here, we use classical molecular dynamics to explore the generality and mechanics of a transition from anisotropic to isotropic self-diffusivity on exposed prismati…
The ZnO microspheres constructed by porous nanosheets were successfully synthesized by calcinating zinc hydroxide carbonate (ZHC) microspheres obtained by a sample hydrothermal method. The samples were characterized in detail with scanning electron microscopy (SEM), transmission electron microscopy (TEM), X‐ray diffra…
The International Commission on Radiological Protection (ICRP) has recommended the annual effective dose equivalent limit of 1mSvy -1 for the individual members of the public and 20mSvy -1 for the radiation workers. The assessment of naturally occurring radio nuclides 226 Ra, 232 Th and 40 K in nine major tin mine dum…
EDOT-linker-EDOT was chosen as a prototype model monomer for solid state polymerization. The linker length can be up to three atoms while the four-atom linker monomer failed under SSP.
In this work, the photoluminescence quantum yield of positively-charged CdTe nanocrystals was brought up to 31% in a water–ethanol solvent mixture.
Here, we propose an effective method for improving the resistive switching characteristics of solution-processed gallium-doped zinc oxide (GaZnO(x)) resistive random access memory (RRAM) devices using hydrogen peroxide. Our results imply that solution processed GaZnO(x) RRAM devices could be one of the candidates for…
Formation of a ternary complex by an ultrafast molecular rotor (UMR) with a macrocyclic cavitand has been investigated for the sensitive detection of the alkyl chain of a surfactant. A benzothiazole based UMR, Thioflavin-T (ThT), has been used as a fluorescent probe. It is shown that ThT forms a very weak inclusion co…
OBJECTIVES: This study aims at examining the ultrastructure of bone-derived biological apatite (BAp) from a series of small vertebrates and the effect of thermal treatment on its physiochemical properties. MATERIALS AND METHODS: Femurs/fin rays and vertebral bodies of 5 kinds of small vertebrates were firstly analyzed…
Nanoparticles emerged as carriers of promising diagnostic and therapeutic molecules due to their unique size, injectability, and potential to sustainably release molecular cargos. However, with local injection of particles into target tissue, the significant particle loss caused by external biomechanical forces is a g…
Coupons of a Nb-silicide-based alloy with the nominal composition of 47Nb–25Ti–8Hf–2Cr–2Al–16Si (at-%) were coated with Co-, Ni- and FeB-modified M7Si6-based layers using pack-cementation. Subsequently, on one side of the coated samples, environmental/thermal barrier coatings (E/TBCs) of yttria partially stabilised zi…