Materials Literature
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Molecular structures and their relation to the mesogenic behavior as well as physical parameters of orthoconic antiferroelectric smectic phases formed by partially fluorinated esters are reviewed. New multicomponent mixtures with long pitch and their electrooptical performance are demonstrated.
Elevated interest is gathered around hybrid nanostructured materials, due to their combined physical−chemical properties. In this article, the synthesis and characterization of nanoparticles consisting of both Ni x P y and metallic Ni are reported. The nanoparticles have a core/shell structure, and they most probably…
We generated transgenic silkworms that synthesized human type I collagen alpha1 chain [alpha1(I) chain] in the middle silk glands and secreted it into cocoons. The initial content of the recombinant alpha1(I) chain in the cocoons of the transgenic silkworms was 0.8%. The IE1 gene, a trans-activator from the baculoviru…
Two-dimensional magic angle flipping (MAF) was employed to measure the Q((n)) distribution in a (29)Si-enriched potassium disilicate glass (K(2)O.2SiO(2)). Relative concentrations of [Q((4))] = 7.2 +/- 0.3%, [Q((3))] = 82.9 +/- 0.1%, and [Q((2))] = 9.8 +/- 0.6% were obtained. Using the thermodynamic model for Q((n)) s…
Cryogenic electrospinning has previously been demonstrated for controlling the pore sizes of electrospun scaffolds, which has been impossible with traditional electrospinning processes. This article describes the application of the cryogenic technique to fabricate a bilayered electrospun poly(D,L-lactide) scaffold (BL…
Abstract The study of support effects on the gold‐catalyzed preferential oxidation of carbon monoxide in the presence of hydrogen (PROX reaction) is possible only with careful control of the gold particle size, which is facilitated by the application of the direct anionic exchange method. Catalytic evaluation of therm…
A series of "viologen" derivatives (4,4'-bipyridinium salts) carrying between 1 and 90 charges per molecule have been prepared and investigated for their activity against human immunodeficiency virus (HIV), herpes simplex virus (HSV), vesicular stomatitis, Punta Toro virus, Sindbis virus, Reovirus, and respiratory syn…
Electrospinning has proven to be a simple, versatile, and useful technique for fabricating nanofibers from a rich variety of functional materials. In the past few years, we have witnessed tremendous research progress in understanding electrospinning mechanisms and their applications in controlled drug releasing and de…
Powder consolidation assisted by pulsed current and uniaxial pressure, namely, Spark Plasma Sintering (SPS), is increasingly popular. One limitation however lies in the difficulty of controlling the sample temperature during compaction. The aim of this work is to present a computational method for the assembly tempera…
We propose a method based on surface-enhanced Raman scattering (SERS) to estimate the resonance Raman cross sections of dyes. The latter are notoriously difficult (or impossible) to obtain by normal (spontaneous) constant wave Raman spectroscopy when the fluorescence quantum yield of the molecules is good and the over…
PURPOSE: The prognosis for locally advanced breast cancer (LABC) patients continues to be poor, with an estimated five-year survival of only 50-60%. Preclinical data demonstrates enhanced therapeutic efficacy with liposomal encapsulation of doxorubicin combined with hyperthermia (HT). Therefore this phase I/II study w…
In the present study, Fe 3 O 4 /ZnO core/shell nanocrystals (NCs) are synthesized via seed-meditated growth approach in nonhydrolytic condition. The controlling process of thermal pyrolysis of zinc acetate (ZnAc) renders a condition to overgrow ZnO layer on the surface of Fe 3 O 4 NCs (seeds). The transmission electro…
A double quantum dot is formed in a graphene nanoribbon device using three top gates. These gates independently change the number of electrons on each dot and tune the interdot coupling. Transport through excited states is observed in the weakly coupled double dot regime. We extract from the measurements all relevant…
The corrosion inhibitive effects of Pachylobus edulis exudate gum for mild steel in 2 M H2SO4 and influence of potassium halide additives on the inhibition efficiency were investigated using hydrogen evolution and thermometric methods at 30°–60°C. Inhibition efficiency was determined by comparing the corrosion rates i…
Porphyrins substituted at meso positions with aminophenyl groups undergo oxidative electropolymerization in a process analogous to the formation of polyaniline. Porphyrins that successfully generate polymer films on the electrode include those tetrasubstituted with four p -aminophenyl groups, trisubstituted, or trans-…
Abstract Synthetic zincian malachite samples (Cu1–xZnx)2(OH)2CO3withx= 0, 0.1, 0.2 and 0.3 were characterized by powder X‐ray diffraction and optical spectroscopy. The XRD patterns of the samples up tox= 0.2 indicate single phase materials with an approximately linear dependence of the refined lattice parameters on th…
PURPOSE: Studies have demonstrated a synergistic effect between hyperthermia and chemotherapy, and clinical trials in image-guided drug delivery combine high-temperature thermal therapy (ablation) with chemotherapy agents released in the heating zone via low temperature sensitive liposomes (LTSL). The complex interpla…
The magnetostructural D correlation interrelates the zero-field-splitting parameter D withdrawn from the magnetic data with the structural tetragonality parameter D(str). This correlation allows the quantitative prediction that D < 0 occurs for the tetragonally compressed nickel(II) complexes.
Single-crystalline intrinsic and N-doped p-type ZnTe nanoribbons (NRs) were synthesized via the thermal evaporation method in argon-mixed hydrogen and nitrogen-mixed ammonia, respectively. Both intrinsic and doped ZnTe nanoribbons had zinc blende structure and uniform geometry. X-ray diffraction peaks of N-doped ZnTe…
A series of new cyclotriphosphazene ligands substituted with pendant 2,2'-bipyridyl moieties, namely, bis[(1,1'-biphenyl)-2,2'-dioxy](2,2'-bipyridyl-3,3'-dioxy)cyclotriphosphazene (L(1)), bis[(1,1'-biphenyl)-2,2'-dioxy][bis{4-(2,2'-bipyridin)-4-yl-phenyoxy}]cyclotriphosphazene (L(2)), (pentaphenoxy)[4-(2,2'-bipyridin)…