Materials Literature
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Abstract Biopolymer films are increasing in popularity due to its environmental friendly. The objectives of this work were to study the effect of drying temperatures and plasticizer types on the physical and mechanical properties of films. Konjac glucomannan (KGM) was used for base film forming. A heat pump dryer was…
High-throughput fabrication of microstructured surfaces with multi-directional, re-entrant, or otherwise curved features is becoming increasingly important for applications such as phase change heat transfer, adhesive gripping, and control of electromagnetic waves. Toward this goal, curved microstructures of aligned c…
The ligand shell structure of the aspicule Ag 44 (4-MBA) 30 (MBA: mercaptobenzoic acid, in the thiolate form) was modified in a precise, site-specific manner. Laser irradiation at 633 nm of a monolayer assembly of plasmonic Ag nanoparticles (NPs) covered with Ag 44 (4-MBA) 30 clusters leads to decarboxylation of 4-MBA…
Structural and magnetic properties of the LaCoO3/SrTiO3 (LCO/STO) multilayers (MLs) with a fixed STO layer of 4 nm but varied LCO layer thicknesses have been systematically studied. The MLs grown on Sr0.7La0.3Al0.65Ta0.35O3 (LSAT) and SrTiO3 (STO) exhibit the in-plane lattice constant of the substrates, but those on L…
Abstract Two-dimensional spectroscopic observations were conducted for an inductively coupled thermal plasma (ICTP) torch during TiO 2 nanopowder synthesis. The feedstock was injected intermittently into the ICTP torch to investigate the Ti feedstock evaporation process clearly and to elucidate the formation process o…
Plasmonic nanorattles composed of solid plasmonic core and porous and hollow plasmonic shell are a novel class of nanostructures that are highly attractive for surface-enhanced Raman scattering (SERS)-based chemical and biological sensing and bioimaging. In this report, we demonstrate the polarization-dependent SERS a…
PURPOSE: The blood-retina barrier (BRB) is a biological barrier consisting of tightly interconnected endothelial cells inside the retinal vascular network that protects the neural tissue from harmful pathogens and neurotoxic molecules circulating in the bloodstream. Unfortunately, with regard to retinoblastoma, this b…
Abstract A Ti 2 Ni/α(Ti) matrix composite coating reinforced by TiC and TiB was prepared on a Ti6Al4V substrate by laser cladding. The microstructure of the coating was examined and discussed. The wear behavior of the coating at various sliding speeds was investigated from the perspective of energy dissipation, and th…
We present a structural and magnetic phase diagram of the solid solution ${\text{LaCo}}_{x}{\text{Mn}}_{1\ensuremath{-}x}{\text{O}}_{3}$. We show by neutron diffraction that the monoclinic structure previously observed for the elpasolite form ${\text{La}}_{2}{\text{CoMnO}}_{6}$ (${\text{LaCo}}_{0.5}{\text{Mn}}_{0.5}{\…
The anti-corrosive property of Capsicum annuum fruit paste (CFP) on mild steel was investigated. Weight loss and SEM analysis showed that the aqueous and ethanolic solutions of CFP exhibits excellent corrosion inhibition in 2 M HCl. Contact angle, surface atomic composition and FTIR studies verified the presence of an…
I introduce a dynamical field theory to describe the glassy behavior in supercooled liquids. The mean-field approximation of the theory predicts a dynamical arrest transition, as in the ideal mode-coupling theory and mean-field discontinuous spin-glass models. Instead, beyond the mean-field approximation, the theory p…
Most metal nanoparticles (NPs), except noble metal NPs, rapidly form a thin surface oxide in ambient conditions. The protective properties of these oxides improve or worsen depending on the environment, e.g., the human lung. Several properties, including the chemical/electrochemical stability and defect density, deter…
A metal hydro-borate Zn(BH4)2 was prepared by milling ZnCl2 and NaBH4 in a planetary ball mill in an Ar atmosphere. This sample contained NaCl. 95 wt% MgH2-2.5 wt% Zn(BH4)2-2.5 wt% Ni samples [named MgH2-2.5Zn(BH4)2-2.5Ni] were then prepared by milling in a planetary ball mill in a hydrogen atmosphere. The hydrogen ab…
Abstract We report a new mechanistic strategy for controlling and modifying the photon emission of lanthanides in a core–shell nanostructure by using interfacial energy transfer. By taking advantage of this mechanism with Gd3+ as the energy donor, we have realized efficient up‐ and down‐converted emissions from a seri…
A molecular theory is introduced to model the layer-by-layer self-assembly (LbL-SA) of polymers with pairing interactions. Our theory provides a general framework to describe nonelectrostatic LbL-SA as the pairing interactions generically describe the formation of bonds between two complementary chemical species, for…
Reaction of 2-amino-3-(pyrrol-1-yl)-5,10,15-tris(4-tert-butylphenyl)corrolato copper(II) with arylaldehydes affords novel π-extended β,β'-pyrrolo(1,2-a)pyrazino-fused corroles via a Pictet-Spengler reaction. Corrole shows an unprecedented reaction pathway, leading to a mixture of phenyl-substituted and nonsubstituted…
Anticancer drugs cause severe side effects on normal tissues and organs due to their nonspecific delivery. Thus, tumor-targeting delivery of anticancer drugs remains a serious challenge in chemotherapy. Here a facile strategy was established for the pH/reductant dual-responsive core-cross-linked (CCL) micelles for tum…
Giant, positive, and near-temperature-independent linear magnetoresistance (LMR), as large as 340%, was observed in graphene foam with a three-dimensional flexible network. Careful analysis of the magnetoresistance revealed that Shubnikov--de Haas (SdH) oscillations occurred at low temperatures and decayed with increa…
Abstract The redox chemistry of single‐walled carbon nanotubes (SWCNTs) was examined by using optical absorption spectroscopy measurements in the presence of sodium dodecyl sulfate (SDS) and its analog surfactants, that is, sodium 1‐undecanesulfonate (SUS) and sodium dodecylbenzenesulfonate (SDBS). Redox reactions of…
Highly conductive poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) ( PEDOT: PSS) films as transparent electrodes for organic light-emitting diodes (OLEDs) are doped with a new solvent 1,3-dimethyl-2-imidazolidinone (DMI) and are optimized using solvent post-treatment. The DMI doped PEDOT: PSS films show signifi…