Materials Literature
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Interfacial energy is a fundamental physiochemical property of any multi-phase system. Among the most direct approaches for determining solid–liquid interfacial energy is a technique based on measuring the shape of grain boundary grooves in specimens subjected to a linear temperature gradient. This technique was adapt…
Interactions between vascular endothelial cells (ECs) and biomaterials are important for engineered tissue substitute. The modification of biomaterial surfaces are designed to modulate EC adhesion and responses in order to improve implantation success rate. Specifically, it has now been well established that increased…
A new suspension-based rheological method was applied to experimentally study the crystallization of a nucleating agent (NA) filled isotactic polypropylene. This method allows for determination of point nucleation densities where other methods fail. For example, optical microscopy can fail because nucleation densities…
Mesogenie in a bottle: The first liquid-crystalline 1,10-phenanthroline-based macrocycles were synthesized by Suzuki–Miyaura cross-coupling. Their optical properties and mesomorphism were investigated by UV/Vis absorption and emission spectroscopy, DSC, and 2D WAXS measurements. These studies revealed formation of col…
One-dimensional Thue-Morse (ThMo) lattices are examples of self-similar structures that exhibit bandgap phenomena. ThMo multilayers may also possess fractal photonic bandgaps that give rise to large omnidirectional reflectance and light emission enhancement effects. Two-dimensional (2D) ThMo aperiodic quasicrystals po…
Porous electrode is the critical component of solid-oxide fuel cells (SOFCs) and provides a functional material backbone for multi-physicochemical processes. Model based electrode designs could significantly improve SOFC performance. This task is usually performed via parameter studies for simple case and assumed prop…
Hexadecyltrimethylammonium bromide-coated gold nanorods (AuNRs) with positive charges were effectively bound to negatively charged sulfonated aluminum phthalocyanine (AlPcS), a photosensitizer for photodynamic detection and therapy, due to the electrostatic force, with a loading content of 10(4) AlPcS molecules per ro…
Polyvinyl alcohol-capped CdSe quantum dots, with a size within their quantum confinement limit, were prepared in aqueous solution at room temperature, by a simple and environmentally friendly chemical method. The size of the CdSe quantum dots was found to be dependent on the concentrations of the precursors of cadmium…
BACKGROUND/AIMS: We sought to identify the most relevant hemofilter for cytokine removal based on the mechanisms of filtration and adsorption. METHODS: Ascites were filtered using four types of hemofilters composed of different membrane materials (polymethyl methacrylate, PMMA, cellulose triacetate, CTA, or polysulfon…
This work presents a theoretical model describing the force required to move a coalesced liquid droplet along an oleophilic filter fiber. Measurements have been made using the atomic force microscope (AFM) to examine these forces over a range of fiber and droplet diameters as well as oil properties. Good agreement bet…
Abstract An asymmetric two‐step anodization process is used to fabricate hierarchical nanoporous anodic alumina templates (HNAATs) with different geometric characteristics. This nanostructure consists of an outer hexagonal lattice of concavities in the interior of which pores grow. The anodization conditions (anodizat…
X-ray diffraction measurements performed on aerodynamically levitated ${\text{CaSiO}}_{3}$ droplets have been interpreted using a structurally heterogeneous liquid-state model. When cooled, the high-temperature liquid shows evidence of the polymerization of edge shared Ca octahedra. Diffraction isosbestic points are u…
We quantitatively model resonant Ti ${L}_{2,3}$ reflectivity ${R}_{s,p}(q,h\ensuremath{\nu})$ from several ${\text{SrTiO}}_{3}$ (001) single crystals having different initial surface preparations and stored in ambient conditions before and between measurements. All samples exhibit unexpected 300 K ${R}_{s}(h\ensuremat…
This work presents a facile procedure to fabricate the nanoobjects of block copolymers with lamellar, cylindrical, and spherical morphology via bulk microphase separation and dispersing in selective solvents without chemical cross-linking. The morphologies of these nanoobjects in solution were stabilized by their core…
We report on optimized wet chemical processes for both the O-polar and Zn-polar faces of wurtzite bulk ZnO single crystals. Different solutions were tested to achieve controllable etching. For the O-polar ZnO surface, a controlled etch rate of was observed using an acid mixture of as an etchant. Fine-patterning of the…
Localized surface plasmon resonances in silver and gold nanostructures are engaged to enhance the inelastic Raman scattering and the fluorescence of a phopholipid containing a sulforhodamine 101 acid chloride dye known as Texas Red. The most efficient coupling and enhancement are attained when the excitation laser lin…
The solubilization of single-walled carbon nanotubes (SWCNTs) by a novel tweezer-shaped molecule with perylene bisimide moieties that act as aromatic anchoring groups is presented. Encouraging results of the tweezer-dispersion concept is combined with the outstanding exfoliation and dispersion efficiencies of designed…
We show that solutions of a two-phase model involving a non-local interactive term separate from the pure phases from a certain time on, even if this is not the case initially. This result allows us to apply a generalized Lojasiewicz-Simon theorem and to establish the convergence of solutions to asingle stationary sta…
Abstract The article presents a short overview of the worldwide experimental activity directed towards vindicating the occurrence of positive optical gain in dense assemblies of luminescent silicon nanocrystals. In spite of an intense interest in the field, the achieved results are non‐uniform till now. Hints how to p…
This study shows that the relaxivity and optical properties of functionalised lanthanide-DTPA-bis-amide complexes (lanthanide=Gd(3+) and Eu(3+) , DTPA=diethylene triamine pentaacetic acid) can be successfully modulated by addition of specific anions, without direct Ln(3+) /anion coordination. Zinc(II)-dipicolylamine m…