Materials Literature
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A novel monovinyl β-cyclodextrin monomer (MA-β-CD; MA = methacrylate) was employed to synthesize polycarboxylate superplasticizers modified with β-CD as pendant groups, and their dispersing performance was tested in the absence and presence of montmorillonite. Adsorption measurement and X-ray diffraciton analysis indi…
Major problems with biomedical devices in particular implants located in nonsterile environments concern: (i) excessive immune response to the implant, (ii) development of bacterial biofilms, and (iii) yeast and fungi infections. An original multifunctional coating that addresses all these issues concomitantly is deve…
Nanoporous metal–phenolic particles are fabricated through the nanostructural replication of dense FeIII–TA complexes in nanoporous CaCO3 template particles. The particles have potential for the diagnostic detection of endogenous levels of H2O2 ex vivo and in vivo by ultrasound imaging, which is based on the catalytic…
Compound semiconductor alloys such as InxGa1−xAs, GaAsxP1−x, or CuInxGa1−xSe2 are increasingly employed in numerous electronic, optoelectronic, and photonic devices due to the possibility of tuning their properties over a wide parameter range simply by adjusting the alloy composition. Interestingly, the material prope…
Oligosaccharides are one of the most promising biomaterials because they are abundant, renewable, diversified, and biosourced. The use of oligo- or polysaccharides for high-performance non-volatile organic field-effect-transistor memory is demonstrated herein. The charge-storage mechanism is attributed to charged hydr…
This paper presents the design, performance and control details of traction electric machines for GM's second generation Extended Range Electric Vehicle (EREV). Chevy Volt was the first personal vehicle in the industry with EREV power flow configuration which is carried over to the second generation. Since its introdu…
Abstract The effect of pyrolysis temperature on the nutritional quality of agricultural biochar is unclear, so better understanding of its properties and how it affects soil nutrient availability and plant growth is needed. Biochars obtained at different pyrolysis temperatures (250, 300, 350 and 400 °C) were character…
Atomistic understanding of crystallization in solids is incomplete due to the lack of appropriate materials and direct experimental tools. Metallic glasses possess simple metallic bonds and slow crystallization kinetics, making them suitable to study crystallization. Here, we investigate crystallization of metallic gl…
The aim of this study was to develop nanofibrous silk substrates for limbal stem cell expansion that can serve as a potential alternative substrate to replace human amniotic membrane. The human limbal stem cell was used to evaluate the biocompatibility of substrates (random and oriented nanofibrous mats, and human amn…
We present a comprehensive analysis of effective temperatures based on fluctuation-dissipation relations in a model of an active fluid composed of self-propelled hard disks. We first investigate the relevance of effective temperatures in the dilute and moderately dense fluids. We find that a unique effective temperatu…
Clinical applications of siRNA for treating disorders in the central nervous system require development of systemic stable, safe, and effective delivery vehicles that are able to cross the impermeable blood-brain barrier (BBB). Engineering nanocarriers with low cellular interaction during systemic circulation, but wit…
The current highest power-conversion efficiencies found for different types of solar cell devices range from 20% to 46%, depending on the nature of the photovoltaic materials used and device configuration. Graphene has emerged as an important organic photovoltaic material for photoenergy conversion, where graphene can…
Two-dimensional, oblique detonations induced by a wedge are simulated using the reactive Euler equations with a detailed chemical reaction model. The focus of this study is on the oblique shock-to-detonation transition in a stoichiometric hydrogen-air mixture. A combustible, gas mixture at low pressure and high temper…
If there is one domain of civil engineering in which adhesives are currently booming, then it is timber engineering. Natural adhesives have been used for centuries to structurally connect timber elements, a trend that culminated in the beginning of the 20th century with the introduction of glue-laminated beams. With t…
A novel semiconductor organic molecule, denoted as VC89, having A-D-D1-D-A structure, was synthesized and all relevant physical and chemical features for its application in solar cells were investigated. The structure comprises 2-ethylhexoxy substituted BDT (donor D1 unit) as a core and a dicyano acceptor unit (DCV) a…
The surface area of electrodeposited thin films of Ni, Co, and NiCo was evaluated using electrochemical double-layer capacitance, electrochemical area measurements using the [Ru(NH3)6]3+/[Ru(NH3)6]2+ redox couple, and topographic atomic force microscopy (AFM) imaging. These three methods were compared to each other fo…
Cross-linking is a process in which polymer chains are associated through chemical bonds. The cross-linking level can be adjusted by the irradiation dosage and often by means of a cross-linking booster. The polymer additional cross-linking influences the surface nanoand micro layers in the way comparable to metals dur…
We present a novel type of "rod-coil" graft copolymer containing a polyphenylene backbone linked with poly(ethylene oxide) (PEO) side chains. Such graft copolymers manifest unprecedented temperature-dependent one-dimensional (1D) and two-dimensional (2D) self-assembly in solution. At 20 °C, which is higher than the cr…
6 mm thick AZ91 casting alloy plates were subjected to normal friction stir processing (NFSP, in air) and submerged friction stir processing (SFSP, under water), and microstructures and tensile properties of the experimental materials were investigated. After FSP, the coarse microstructures in the as-cast condition ar…
Nanomaterials that integrate diagnostic and therapeutic functions within a single nanoplatform promise great advances in revolutionizing cancer therapy. A smart multifunctional theranostic drug-delivery system (DDS) based on gold nanorods (abbreviated as GNR/TSDOX) is designed for cancer-targeted imaging and imaging-g…