Materials Literature
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Polystyrene has long been recognized as a versatile and cost-effective solution for rigid packaging and food service disposables. The current research focuses on the synthesis and characterization of polystyrene-claycomposite materials with improved mechanical and thermal properties to be used as packaging materials P…
Megan E Holtz, Yingchao Yu, Johary Rivera, Héctor D Abruña, David A Muller; In Situ TEM for Quantitative Electrochemistry of Energy Systems, Microscopy and
Takeshi Daio, Hai-Wen Li, Takashi Gondo, Hiroya Miyazaki, Tatsuya Ikuta, Takashi, Nishiyama, Koji Takahashi, Yasuyuki Takata, Stephen Matthew Lyth, Kazunar
Burcu Ogiit, Michael L Machala, Ai Leen Koh, Robert Sinclair, William C Chueh; Preliminary Investigations of Chemical & Morphological Inhomogeneities i
Abstract Polycyanurates from 2,4-dichloro-6-methoxy-1,3,5-triazine with bisphenol A or 9,9-bis(4-hydroxyphenyl)fluorene were subjected to thermal treatment under argon to induce the thermal rearrangement of the polycyanurates into the corresponding polyisocyanurates. Thermally rearranged polymers with a wide range of…
The objective of this paper is to use a zero refractive index n metamaterial as single layer superstrate suspended above a microstrip patch antenna (MPA), operating at 43 GHz, for the gain enhancement. The single metamaterial layer superstrate is composed of a periodic arrangement of Jerusalem cross unit-cells, and be…
Abstract Solid-state molybdenum halide clusters with an octahedral metal framework MoX2 (or [Mo6X8]X2X4/2) (X = Cl, Br, I) are applied to catalysis. When these clusters are thermally activated in a hydrogen stream above 300 °C, they exhibit catalytic activity for the dehydrogenative C-methylation of piperidine with me…
In this study, we explored the feasibility of biotin-mediated modified polymeric micelles for pancreatic cancer targeted photodynamic therapy. Poly (ethylene glycol)-distearoyl phosphatidyl ethanolamine (mPEG2000-DSPE) served as the drug-loaded material, biotin-poly(ethylene glycol)-distearoyl phosphatidyl ethanolamin…
Giuseppe Nicotra, Antonio Massimiliano Mio, Anna Cupolillo, Jin Hu, Jiang Wei, Zhiqiang Mao, Ioannis Deretzis, Antonio Politano, Corrado Spinella; STEM and
Nowadays energy efficiency and its various aspects has been taken into consideration significantly. Also, non-linear loads have been increasing tragically while absence of supervision on their harmonic contents are quite obvious. These loads are extensively used in residential and commercial parts. Such a widely use o…
Paper strengthening system of PVAm (polyvinylamine) has been used with strong negative charge polymer for electrostatic neutralization due to strong positive charge of PVAm. Recently, because of the controversy caused by the possibility of remaining PAM monomers in white water, a search for paper strength agent that c…
The derivation of the formula describing the eikonal distribution on the surface of a dielectric axisymmetrical lens for an arbitrary direction of displacement of a source from the focus is presented. In this case, the second focus of the system is at infinity. The formula takes into account three terms of expansion o…
Field electron and desorption microscopy has been used to study specific features of the field desorption of sodium and cesium ions adsorbed on the surface of iridium with graphene. It was found that adsorbed sodium atoms most strongly reduce the work function on graphene islands situated over densely packed faces of…
A novel functionally-graded hybrid (FGHY) scaffold was designed and developed with a load-bearing structure represented by a PU foam loaded with a graded composition of CaPs (biomimetic component) and pectin gel as cell carrier. hPDC populations encapsulated in pectin gels and injected into the FGHY scaffolds demonstr…
Microbial Fuel Cell (MFC) technology has the ability to directly convert sugar into electricity by using bacteria. Such a technology could be useful for powering implanted biomedical devices that require a surgery to replace their batteries every couple of years. In steps towards this, parameters such as electrode con…
The transmission ( 57 Fe) and emission ( 57 Co) variants of Mössbauer spectroscopy are used to monitor metabolic transformations of 57 Fe III / 57 Fe II and 57 Co II in cells of the bacterium Azospirillum brasilense Sp7. (The spectra are measured at 80 K.) For 57 Co II , metabolic changes in the living cells are obser…
The interfacial region between a base matrix and nanoparticles in nanocomposite dielectrics is often referred to as the main cause of good performance of nanocomposites as insulating materials. In the present work we compare electronic structure of the interfacial region in the polyethylene magnesium oxide nanocomposi…
Polybenzoxazine nanocomposites filled with three different sizes of silica nanoparticles are investigated for their mechanical and thermal properties. In this research, silica nanoparticles with primary particle sizes of 7, 14 and 40 nm were incorporated in polybenzoxazine matrix at a fixed content of 3% by weight. Fr…
We investigate the effective indices and mode profiles theoretically and reveal the forming mechanisms of the supermodes in graphene multilayers. Out-of-phase coupling supermode possess both the lowest propagation loss and shortest mode wavelength.
The structure and influence of temperature on mechanical deformation of Liquid Crystal Elastomers (LCEs) were studied using various techniques like Raman Spectroscopy (RS), Fourier Transform Infrared (FTIR) Spectroscopy and Polarizing Microscopy Studies (PMS) etc. The spectroscopic studies confirmed the presence of fu…