Materials Literature
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The photophysical and electron transfer properties of mesoporous nanocrystalline (anatase) TiO 2 thin films sensitized to visible light with [Ru(dtb) 2 (dcb)](PF 6 ) 2, where dtb is 4,4′-( tert -butyl) 2 -2,2′-bipyridine and dcb is 4,4′-(CO 2 H) 2 -2,2′-bipyridine, were quantified in acetonitrile solutions that contai…
The objective of this work is the study of adsorption of Eosin B by cobalt oxide nanoparticle loaded on activated carbon (Co2O3‐NP‐AC). This new material with high efficiency in a routine manner was synthesized in our laboratory, and its surface properties such as surface area, pore volume, and functional groups were…
BACKGROUND: Non-thermal dielectric-barrier discharge plasma (non-thermal plasma) is being investigated for use in wound healing. Alginate gel, already in clinical use, is non-toxic but has no meaningful antimicrobial property. This study reports that a non-thermal-plasma-treated alginate wound dressing has strong anti…
Mo-doped Gd 1 Ce 1– x O 3.5+ Y (where x ranged from 0 to 0.3) oxides were synthesized as inorganic yellow pigments, which are benign and sustainable. The pigments exhibited good yellow color, with the yellowness value using the CIELAB 1976 system being around 39. In comparison to the existing reports on benign yellow…
The thermally stable Hofmann-type clathrate framework Ni(II)(pz)[Ni(II)(CN)4] (pz = pyrazine) was investigated for the efficient and reversible sorption of iodine (I2) in the gaseous phase and in solution with a maximum adsorption capacity of 1 mol of I2 per 1 mol of Ni(II)(pz)[Ni(II)(CN)4] in solution.
Environmental surfaces are increasingly recognized as important sources of transmission of hospital-acquired infections. The use of antibacterial surface coatings may constitute an effective solution to reduce the spread of contamination in healthcare settings, provided that they exhibit sufficient stability and a lon…
Reduced graphene oxide (RGO) synthesized by subsequent oxidation and reduction suffers from agglomeration within a few hours/days of its preparation. The stability of RGO is enhanced (no agglomeration for more than 23 months) by allowing two cross-linking polymers that prevent restacking; this increases the solubility…
We show that coating of decellularized extracellular matrix (DC-ECM) on substrate surfaces is an efficient way to generate a platform mimicking the native ECM environment. Moreover, the DC-ECM can be modified with a peptide (QK) mimicking vascular endothelial growth factor without apparently compromising its integrity…
Abstract Background Glycine is extensively applied in the field of food, medicine, agrochemistry, etc. It is usually commercially produced by the chemosynthesis method, which generates large amounts of by-product ammonium chloride. Methods In this paper, the separation of glycine and ammonium chloride was performed wi…
We report the in vivo efficacy, in tumor-bearing mice, of cancer prodrugs consisting of poly(methacryloyloxyethyl phosphorylcholine) (polyMPC) conjugated to doxorubicin (DOX). Our synthesis of polyMPC-DOX conjugates established prodrugs with tunable drug loading, pH sensitive release kinetics, and a maximum tolerated…
A series of tri- and tetranuclear phosphine complexes of d(10) metal ions supported by the polydentate ligands, bis(diphenylphosphinomethyl)phenylphosphine (PPP) and tris(diphenylphosphinomethyl)phosphine (PPPP), were synthesized. All the compounds under study, [AuM2(PPP)2](3+) (M = Au (1), Cu (2), Ag (3)), [M4(PPPP)2…
Photocyclodehydrogenation is a key reaction to synthesize helicenes; however, because of overannulation, it is not applicable to the synthesis of [5]helicene. Introduction of a cyano group was found to remove the orbital degeneracy of the low-lying unoccupied MOs; consequently, the lowest excitation comprises a single…
Abstract Foamability and foam stability are of main concerns in foam displacement for enhanced oil recovery. This work presents the output of systematic laboratory screening of foamability and foam Stability of several surfactants. The surfactants examined were Brij 700, Triton X-100, Triton X-405, Zonyl FSO, Hitenol…
We applied organic donor-π-acceptor (D-π-A) sensitizers for photoelectrochemical polymerization (PEP) because of their appropriate energy levels and high light absorption. The polymerized conducting polymer PEDOT was used as hole conductor in all-solid-state dye-sensitized solar cells (ssDSCs). By combination of the D…
We demonstrate pressureless wafer bonding using silver abnormal grain growth caused by stress migration at 250 °C, which is very low for a direct solid-state bonding temperature. The bonding achieved a die-shear strength of more than 50 MPa, which exceeds the fracture toughness of Si wafer. Various deposition temperat…
Hybrid graphene-metal gratings with tunable Fano resonance are proposed and theoretically investigated in THz band. The grating contains alternately aligned metal and graphene stripes, which could be viewed as the superposition of two kinds of gratings with the same period. Due to different material properties, the re…
We demonstrate that functional groups obtained by varying the preparation route of reduced graphene oxide (rGO) highly influence filler morphology and the overall dielectric performance of rGO-relaxor ferroelectric polymer nanocomposite. Specifically, we show that nitrogen-doping by hydrazine along the edges of reduce…
A novel targeting cancer imaging platform based on aptamer-functionalized amphiphilic hyperbranched copolymer conjugates, which can self-assemble into nanoscopic micelles with a core-shell structure and a narrow size distribution, has been designed and synthesized. The size, morphology, fluorescence performance, and c…
Visible light-active hierarchical meso–macroporous S,N-modified TiO 2 has been synthesized through a precipitation and deposition method and characterized by X-ray diffraction, field emission scanning electron microscopy, Fourier transform infrared spectroscopy, BET surface area, X-ray photo electron spectroscopy, and…
The electrical properties of two-dimensional hole gases (2DHGs) in GaN/AlGaN/GaN double heterostructures were investigated. The layers were grown on sapphire substrates and a high-quality bulk GaN substrate. The coexistence of 2DHG and 2D electron gases on both sides of the AlGaN layer was confirmed by Hall effect mea…