Materials Literature
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In this work, an active coating and modified atmosphere packaging (MAP) were investigated to prolong the shelf life of Fiordilatte packaged in traditional brine. First, the screening of MAP was performed in order to select the best gas composition. Then, the combined effect of MAP and coating was investigated. Finally…
The high strength, light weight, and flexibility of fabric protection systems makes them an effective impact mitigation solution in some important engineering applications. Examples include body armor, fan blade containment systems, and orbital debris shielding. Most soft armor protection systems employ a plain weave…
Herein, the synthesis of five novel ionic dendrimers and their evaluation as biological carriers is reported. The compounds include an ionic bis-MPA dendrimer and four PAMAM dendrimers of different generations decorated with negatively charged hydrophilic chains of 2-[2-(2-methoxyethoxy)ethoxy]acetic acid as counter i…
BACKGROUND: Fat grafting is limited by unpredictable long-term graft retention. The authors postulate that injury to the donor-derived microvasculature during harvest and subsequent ischemia may account for this clinical variability. They examined the use of the U.S. Food and Drug Administration-approved phosphodieste…
We investigated the self-assembly behaviors of supramolecules formed by poly(4-vinylpyridine) (P4VP) and a fanlike small molecule, 3,4,5-tris(hexadecyloxy)benzoic acid (THBA), via hydrogen bonding interactions. Different from other commonly studied small molecules, THBA bears three particularly long hydrophobic tails…
In this communication, we report the synthesis of small-sized (<10 nm), water-soluble, magnetic nanoparticles (MNPs) coated with polyhedral oligomeric silsesquioxanes (POSS), which contain either polyethylene glycol (PEG) or octa(tetramethylammonium) (OctaTMA) as functional groups. The POSS-coated MNPs exhibit superpa…
Enantiopure hemicryptophanes designed from the cyclotriveratrylene (CTV) unit display remarkable properties in selective host-guest recognition or as supramolecular catalysts. The unprecedented control of the helical chirality of the CTV unit by remote stereogenic centers of a tren moiety is reported, providing an ori…
Iron–chromium nanoparticles (NPs) were obtained through the thermal decomposition of μ 3 -oxo heterotrinuclear {FeCr 2 O} acetate in the presence of sunflower oil and dodecylamine (DA) as surfactants. The average diameter of the NPs was 3.5 nm, as estimated on the basis of transmission electron microscopy and atomic f…
(0002)‐oriented AlN and ZnO thin films are deposited on C‐sapphire substrates by pulsed laser deposition at 700 °C. Multilayered structures AlN/ZnO and ZnO/AlN are also grown on C‐sapphire and investigated by X‐ray diffraction, scanning electron microscopy and transmission measurements. Ellipsometry analysis is employ…
Dispersive surface waves on an acoustic 2D metamaterial, a metasurface consisting of membranes on a rigid surface, have certain propagation characteristics with potential applications for resonance based sensing and subwavelength imaging. The trapped modes of the system that is responsible for the dispersive propertie…
Gingival atrophy manifests as exposure of the tooth root surface because of recession of the gingiva, a condition that affects >20% of adults and leads to increased root sensitivity and ultimately, tooth loss. Tissue engineering approaches that employ novel synthetic polymeric scaffolds are being considered for rebuil…
Four custom-designed bidentate adsorbates having either ammonium or Boc-protected amino termini and either methanethiol or ethanethioate headgroups were prepared for the purpose of generating amine-terminated self-assembled monolayers (SAMs) on evaporated gold surfaces. These adsorbates utilize a phenyl-based framewor…
The absorption processes of extremely thin absorber solar cells based on ZnO/CdTe core-shell nanowire (NW) arrays with square, hexagonal or triangular arrangements are investigated through systematic computations of the ideal short-circuit current density using three-dimensional rigorous coupled wave analysis. The geo…
The mesoscale allows a new probe of spin glass dynamics. Because the spin glass lower critical dimension ${d}_{l}>2$, the growth of the correlation length $\ensuremath{\xi}(t,T)$ can change the nature of the spin glass state at a crossover time ${t}_{\text{co}}$ when $\ensuremath{\xi}({t}_{\text{co}},T)=\ensuremath{\e…
Experimental (EPR) and theoretical (DFT) evidence is provided for radical cation formation as initial step in the Mo2Cl10-mediated dehydrogenative arene coupling. The initial electron transfer from methoxyarenes to molybdenum proceeds via an inner sphere mechanism.
Development of novel electrode materials is essential to achieve high-performance lithium ion batteries. Here, we demonstrate that amorphous nickel iron complex hydroxides (Ni–Fe–OH) synthesized by a laser–chemical method can be used as a potential conversion anode material for lithium storage. Complementary character…
Critical behaviors indicating an insulator–metal (IM) transition are observed in poly(2,5-bis(3-hexadecylthiophene-2-yl)thieno[3,2- b ]thiophene) [PBTTT] in ionic-liquid-gated transistors. At room temperature, a maximum channel conductivity of 300 S cm −1 is achieved at the doping concentration of 10 21 cm −3 . The co…
An accurate prediction of any process is the key to the control of that system. Modeling the rheological properties of nanocomposites would provide us a pattern for prediction of their properties as a function of process and material variables. In this study, the focus is to model and investigate the behavior of highl…
We theoretically study the metal-insulator-metal (MIM) structure based ultrathin broadband optical absorber which consists of a metallic substrate, a dielectric middle layer, and a nanostructured metallic top layer. It is found that, there exists an effective permittivity, εnull, for the top nanostructured metallic la…
BACKGROUND: Ear defects caused by traumatic injury, tumor ablation, and congenital deficiency are still challenging problems for the plastic and reconstructive surgeon. The authors developed a scaffold-free, ear-shaped cartilage by tailoring a multilayered chondrocyte membrane on an ear-shaped titanium alloy model and…