Materials Literature
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Comprehensive studies on the crystal lattice deformation due to interstitial oxygen formation in layered perovskite oxides are presented.
A highly ordered open-pore hybrid film was fabricated by controlling the substrate roughness and wettability. The composite with different wettability on the two side resulted in an attractive unidirectional water-penetration function (see figure).
Fucoidan is a sulfated polysaccharide that is extracted primarily from seaweed. The polymer contains a natural variation in chemistry based upon the species of seaweed from which it is extracted. We have used two different fucoidans from two different seaweed species (Fucus vesiculosus - FV; and Undaria pinnatifida -…
A novel synthesis and functionalization strategy for presynthesized Cu 2 ZnSnS 4 QDs is developed by utilizing mercapto-acetic acid octyl ester as capping ligand. Unlike the common ligand exchange approach, the long alkyl chains are removed via hydrolysis procedure.
An effective identification strategy for structural differences in archaeologically relevant calcite combines fieldwork-compatible and lab-based techniques.
Modification of graphene to open a robust gap in its electronic spectrum is essential for its use in field effect transistors and photochemistry applications. Inspired by recent experimental success in the preparation of homogeneous alloys of graphene and boron nitride (BN), we consider here engineering the electronic…
Local and rapid heating by microwave (MW) irradiation is important in the clinical treatment of tumors using hyperthermia. We report here a new thermo-seed technique for the highly efficient MW irradiation ablation of tumors in vivo based on gelatin microcapsules. We achieved 100% tumor elimination in a mouse model at…
A new inorganic-organic nanohybrid material H4SiW12O40/pyridino-MCM-41 was prepared and performed as an efficient, eco-friendly, and highly recyclable catalyst for the one-pot multi-component synthesis of different substituted 1-amidoalkyl-2-naphthols under solvent-free conditions. The nanohybrid catalyst was prepared…
A novel AIE-based fluorescent probe for the detection of trace amounts of nitrite and nitrate ions in water has been developed, which spontaneously detects nitrites (or nitrates) by a fluorescence “turn-off” method.
A monolithic Ni-foam@PdNi(alloy) catalyst is tailored for coalbed methane deoxygenation via galvanically depositing Pd nanoparticles on a Ni-foam surface followed by in situ activation. Experimental and theoretical studies unanimously reveal that the in situ formed PdNi alloy contributes to high activity/selectivity,…
Based on the catecholic chemistry of a mussel inspired coating, norepinephrine (NE), a catecholamine found both in neurotransmitters and mussel adhesive proteins, was for the first time applied as a unique bio-interface integrating multi-functions facilitating PC12 neuron-like differentiation. A uniform, ultra-smooth…
A pH-switchable worm system was fabricated by simply mixing two non-surface-active compounds, N-(3-(dimethylamino)propyl)palmitamide (PMA) and citric acid (HCA), at a molar ratio of 3 : 1. Such a nanostructured fluid exhibits bell-shaped sol-gel-sol transitions with sequential pH variation, reflecting continuous struc…
In this work we have developed ultra-dense high aspect ratio ZnO nano-forest like structures and explored their potential as photo-catalysts.
Co( iii ) complexes of curcumin and phenanthroline bases show remarkable visible-light induced cytotoxicity in HeLa cells but are much less toxic in dark and to normal cells. The complexes bind to HSA with significant affinity.
A series of L-di-2-thenoyltartaric acid lanthanide coordination polymers, namely, {[La2L3(CH3OH)6(H2O)]·CH3OH·H2O}n (1), {[Ln2L3(CH3OH)x(H2O)6−x]·aCH3OH·bH2O}n, [Ln = Eu (2), x = 2, a = 0.5, b = 0.25; Ln = Gd (3), x = 3, a = 1, b = 0; Ln = Tb (4), x = 2, a = 1, b = 0], {[(Eu0.037Tb0.963)2L3(CH3OH)2(H2O)4]·CH3OH·2.75H2…
We report simulations on the homogeneous liquid-fcc nucleation of charged colloids for both low and high contact energy values. As a precursor for crystal formation, we observe increased local order at the position where the crystal will form, but no correlations with the local density. Thus, the nucleation is driven…
Mesoporous silica nanoparticles (MSN) with 1–10 wt% loading of aluminum (Al) were prepared and characterized by XRD, N 2 physisorption, 29 Si and 27 Al NMR, FT-IR and FT-IR preadsorbed pyridine.
Positron annihilation lifetime spectroscopy (PALS) was applied to characterize point defects in single crystals of Y3Al5O12 and SrTiO3 after populating different types of defects by relevant thermal treatments. In SrTiO3, PALS measurements identified Sr vacancy, Ti vacancy, vacancy complexes of Ti–O (vacancy) and hydr…
Revealing the influence of intrinsic defects in monolayer MoS 2 on the electronic nature of metal–MoS 2 contacts is particularly critical for their practical use as nanoelectronic devices.
The preparation and characterization of a series of 8-hydroxyquinoline ligands and their complexes with Ti(IV), Al(III) and Zn(II) centres is presented. The complexes are characterized using NMR spectroscopy, elemental analysis and, in some cases, by single crystal X-ray diffraction experiments. The complexes are comp…