Materials Literature
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The compressive deformation behavior and damage characteristics of ultrafine-grained (UFG) pure titanium produced by equal channel angular pressing (ECAP) and coarse-grained (CG) pure titanium were investigated and compared at temperatures ranging from 77 K (−196°C) to 873 K (600°C). It was found that the compressive…
An effective strategy of utilizing electrospinning techniques to fabricate MgCl2 catalyzed ammonia borane (AB) nanofibers with a tunable fiber diameter is reported. The synergistic effect obtained by combining nanofibers and metallic catalyst plays a crucial role in the decomposition of MgCl2-doped AB nanofibers, whic…
BACKGROUND: Volutin granules appear to be universally distributed and are morphologically and chemically identical to acidocalcisomes, which are electron-dense granular organelles rich in calcium and phosphate, whose functions include storage of phosphorus and various metal ions, metabolism of polyphosphate, maintenan…
A novel strategy for fabricating hybrid thin film solar cell devices based on poly(3-hexylthiophene) (P3HT)/indium sulfide (In2S3) nanoflake array films is presented in this paper. We take In2S3 as an example to demonstrate that a novel chalcalgenide nanoflake array structure could be in situ fabricated on indium-tin…
We report here on the fabrication of a kind of highly cross-linked network structured cuprous oxide microtube lattices (Cu2O–MTLs) by utilizing a bacterial cellulose membrane as a template. The Cu2O–MTLs showed high specific catalytic activity for methylene blue degradation in the presence of H2O2 under dark condition…
Covers advancements in spacecraft and tactical and strategic missile systems, including subsystem design and application, mission design and analysis, materials and structures, developments in space sciences, space processing and manufacturing, space operations, and applications of space technologies to other fields.
This work studies the influence of basil essential oil, its content and the homogenization treatment on the physical properties of chitosan-based edible films. Two homogenization treatments were applied, without (H1) and with (H2) microfluidization (MF). Composite films were softer, less rigid and more stretchable tha…
Aggregation-induced emission enhancement (AIEE) phenomenon is observed in the polycyclic aromatic alkaloid derivatives due to the configuration changes in the excited state, which is attributed to intramolecular proton-transfer and the formation of a new structure of enol form.
Alumina-supported nanosized ceria–lanthana solid solutions (CeO2−La2O3/Al2O3 (CLA) = 80 : 20 : 100 mol% based on oxides) were synthesized by a modified deposition coprecipitation method from ultra-high dilute aqueous solutions. The synthesized materials were subjected to various calcination temperatures from 773 to 10…
Supramolecular induction of chirality to a π-stacked dialkoxynaphthalene (DAN)-fiber (made of achiral building blocks) from a neighbouring helical naphthalenediimide (NDI)-fiber is reported. CD-studies helped in understanding the nature of co-assembly in the donor-acceptor chromophore mixture from molecular to macrosc…
To improve the hydrogen storage performance, Mg3La alloy and TiCl3 is ball milled simultaneously with LiBH4 to yield a designed composition. It has been revealed that there is a synergistic effect of Mg3La alloy and TiCl3 on the dehydrogenation of LiBH4, which improves the dehydrogenation performance when compared to…
A series of novel, microporous polymer networks (MPNs) have been generated in a simple, acid catalysed Friedel–Crafts-type self-condensation of A2B2- and A2B4-type fluorenone monomers. Two A2B4-type monomers with 2,7-bis(N,N-diphenylamino) A or 2,7-bis[4-(N,N-diphenylamino)phenyl] D substitution of the fluorenone core…
This paper presents the results of numerical analysis and experimental studies of the process of bone drilling using drills applied in osteosynthesis procedures. In the studies, two surgical drills with a diameter d = 4.5 mm and varying in drill point geometry 2κ were used. Thermal analysis based on FEM allowed determ…
Abstract Carbon nanosheets are mechanically stable, free‐standing two‐dimensional materials with a thickness of ≈1 nm and well defined physical and chemical properties. They are made by radiation‐induced cross‐linking of aromatic self‐assembled monolayers. Herein, a route is presented to the scalable fabrication of mu…
Nanotechnology has the potential to offer solutions to these current obstacles in cancer therapies, because of its unique size and large surface-to-volume ratios. Nanoparticles may have properties of self-assembly, stability, specificity, drug encapsulation and biocompatibility as a result of their material compositio…
The use of biomaterials in dentistry is more widespread than in any other medical field in terms of both amount and variety. Most of them were not originally designed for dental applications but for other medical applications or, sometimes, for no medical purposes. Among these materials, biodegradable materials play a…
A novel method has been discovered for controlling the crystallographic orientation of body-centred cubic crystals of iron. The process allows the cube faces of the crystals to align with the major surface of the polycrystalline sample in sheet form. Such a texture is advantageous in terms of its magnetic properties a…
Hydrogelation of adenine has been tested here with three isomers of benzene tricarboxylic acid. Upon cooling the homogeneous solution, adenine formed an instantaneous gel with one isomer while the other two did not. Hydrogels were thermoreversible in nature and were characterized with the help of 1H-NMR, FE-SEM, TEM,…
The continuous assembly of polymers (CAP) via atom transfer radical polymerisation (ATRP) is reported as an efficient approach for the preparation of dense, cross-linked, nanoscale engineered films as surface coatings, hollow capsules and replica particles. These films can be reinitiated to allow the preparation of th…
A major hurdle in pharmaceutical formulation is water insolubility of most of the drugs affecting stability and bioavailability of the drug, if the drug is also insoluble in organic medium, it is difficult to deliver the drug in a sufficiently bioavailable form and hence it is a great challenge to formulation research…