Materials Literature
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In many tissues, the presence of stem cells is inferred by the capacity of the tissue to maintain homeostasis and undergo repair after injury. Isolation of self-renewing cells with the ability to generate the full array of cells within a given tissue strongly supports this idea, but the identification and genetic mani…
In this paper, we present the development of a concurrent atomistic-continuum (CAC) methodology for simulation of the grain boundary (GB) structures and their interaction with other defects in ionic materials. Simulation results show that the CAC simulation allows a smooth passage of cracks through the atomistic-conti…
Treatments utilizing monoclonal antibody therapeutics against intracellular protein-protein interactions in cancer cells have been hampered by several factors, including poor intracellular uptake and rapid lysosomal degradation. Our current work examines the feasibility of encapsulating monoclonal antibodies within po…
The synthesis and characterization of original ferrite multishell magnetic nanoparticles made of a soft core (manganese ferrite) covered with two successive shells, a hard one (cobalt ferrite) and then a soft one (nickel ferrite), are described. The results demonstrate the modulation of the coercivity when new magneti…
We use magnetic force microscopy (MFM) to characterize superconductivity across the superconducting dome in $\mathrm{BaF}{\mathrm{e}}_{2}{(\mathrm{A}{\mathrm{s}}_{1\ensuremath{-}x}{\mathrm{P}}_{x})}_{2}$, a pnictide with a peak in the penetration depth $({\ensuremath{\lambda}}_{ab})$ at optimal doping $({x}_{\mathrm{o…
Mercaptopropionic acid (MPA)-capped cadmium telluride (CdTe) quantum dot (QDs) fluorescent probes were synthesized in aqueous solution and used for the determination of salicylic acid. The interaction between the MPA-capped CdTe QDs and salicylic acid was studied using fluorescence spectroscopy and some parameters tha…
BACKGROUND: Advances in nanostructure materials are leading to novel strategies for drug delivery and targeting, contrast media for magnetic resonance imaging (MRI), agents for hyperthermia and nanocarriers. Superparamagnetic iron oxide nanoparticles (SPIONs) are useful for all of these applications, and in drug-relea…
Two high-performance Cu catalysts were successfully developed by immobilization of Cu ions in the nanospaces of poly(propylene imine) (PPI) dendrimer and magadiite for the selective C-C coupling of 2,6-dimethylphenol (DMP) to 3,3',5,5'-tetramethyldiphenoquinone (DPQ) with O2 as a green oxidant. The PPI dendrimer encap…
ABSTRACT The self‐healing behavior of poly(vinyl butyral) (PVB) is evaluated below the glass transition temperature T g . It is found that PVB shows autonomic self‐healing even at room temperature, although T g is around at 76°C. Furthermore, a large amount of water is found to be adsorbed on the surface of the film.…
In this work, we study the adhesion between various alumina surfaces and precursors of amine-containing epoxies. To accomplish this we have developed a reactive force field (ReaxFF) parametrization for the aluminum–nitrogen interaction and combined this with the aluminum-water and glycine force fields reported in earl…
A new linear-dendritic copolymer composed of poly(ethylene glycol) (PEG) and all-trans-retinoic acid (ATRA) was synthesized as the anticancer drug delivery platform (PEG-G3-RA8). It can self-assemble into core-shell micelles with a low critical micelle concentration (CMC) at 3.48 mg/L. Paclitaxel (PTX) was encapsulate…
Abstract Chiral nematic mesoporous phenol‐formaldehyde resins, which were prepared using cellulose nanocrystals as a template, can be used as a substrate to produce latent photonic images. These resins undergo swelling, which changes their reflected color. By writing on the films with chemical inks, the density of met…
Siloxane-containing materials are a large and important class of organic-inorganic hybrids. In this report, a practical variation of the Suzuki polymerization to generate semiconducting polymeric hybrids based on siloxane units, which proceeds under essentially nonbasic conditions, is presented. This method generates…
Abstract We report a simple and rapid microwave‐assisted synthesis of tantalum telluride (TaTe 2 ) nanosheets. The ratio of tantalum pentachloride (TaCl 5 ) and elemental tellurium (Te) powder were adjusted in the presence of NaBH 4 in such a way as to obtain the TaTe 2 nanosheet. The samples were characterized by var…
This paper describes the use of a phenyl bis(dithiocarbamate) (PBTC) linker to enhance the quantum yield of photoinduced electron transfer (eT) from a zinc porphyrin (ZnP) molecule (donor) to a CdSe quantum dot (QD) (acceptor), where quantum yield is defined as the fraction of photoexcited ZnP molecules in the sample…
Abstract The “carbon capture, utilization and storage” project has attracted considerable attention in recent years as the demands for reducing CO 2 emissions increased. However, the produced fluids during CO 2 ‐enhanced oil recovery (EOR) production are supersaturated with high‐pressure CO 2 gas, which leads to serio…
Hot-electron energy relaxation time is deduced for Ga-doped ZnO epitaxial layers from pulsed hot-electron noise measurements at room temperature. The relaxation time increases from ∼0.17 ps to ∼1.8 ps when the electron density increases from 1.4 × 1017 cm−3 to 1.3 × 1020 cm−3. A local minimum is resolved near an elect…
Amine containing plasma polymer films are of interest due to their ability to bind biomolecules either covalently or electrostatically. One issue with generating such plasma polymers is the need to generate sufficient amine density on the surface to enable binding, while simultaneously maintaining the chemical, physic…
ABSTRACT Novel high‐performance copolyimide (co‐PI) fibers containing benzimidazole and benzoxazole ring in the main chain were prepared by a two‐step spinning via the poly(amic acid)s. Effects of the incorporated benzimidazole and benzoxazole units on the micro‐structure and properties of co‐PI fibers were investigat…
Solid-liquid-vapor interfaces dominated by the three-phase contact line, usually performing as the active center in reactions, are important in biological and industrial processes. In this contribution, we provide direct three-dimensional (3D) experimental evidence for the inside morphology of interfaces with either C…