Materials Literature
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Bulk crystal seeding in hierarchical zeolite synthesis using organosilane surfactants – widening the mesopore-generating region and zeolite structures.
Ideal biocoatings for bone implants should be similar to the minerals of natural bones in chemical composition, crystallinity, and crystallographic texture. Herein, magnetic hydroxyapatite (HA) coatings (MHACs) with oriented nanorod arrays have been fabricated by using magnetic bioglass coatings (CaO–SiO2–P2O5–Fe3O4,…
The influence of architecture on polymer interactions is investigated and differences between branched and linear copolymers are found. A comprehensive picture is drawn with the help of a fluorescence approach (using pyrene and 4HP as probe molecules) together with IR or NMR spectroscopy and X-ray/light scattering mea…
We report a potent antimicrobial polymer demonstrating an enhanced bactericidal activity upon white light illumination.
The photocatalytic water-splitting activity of rutile TiO 2 was found to be very sensitive to the loaded cocatalyst and reaction pH.
The as-prepared LiMnPO 4 /C sample presents higher discharge potential plateau, larger discharge capacity, excellent high-rate capability, and good cycle stability.
The musculoskeletal tissues are highly ordered nanostructured materials, and they have self-healing capability. However, when the tissue damage is beyond the capability, therapeutic approaches to repair or regenerate the tissues are needed. Nanomaterials have attracted much research attention to create novel tissue en…
In this work, a flexible mesoporous TiO2 microspheres/cellulose acetate (TCA) hybrid film of tunable size and transparency was designed as a high performance recyclable photocatalyst. It was obtained by a simple method of dispersing mesoporous TiO2 microspheres onto the surface of a free-standing cellulose acetate (CA…
Polymorphism is the ability of solid materials to exist in two or more crystalline forms with different arrangements or conformations of the constituents in the crystal lattice.These polymorphic forms of a drug differ in the physicochemical properties like dissolution and solubility, chemical and physical stability, f…
In the present communication we introduce a new platform technology for the reversible folding of single polymer chains in aqueous environment on the basis of cyclodextrin (CD) host-guest chemistry and controlled radical polymerization protocols. The single-chain folding of adamantyl-β-CD α-ω-functionalized poly(N,N-d…
We demonstrate an element-dependent chiroptical inversion and structural dependence of π-conjugated polymers with the help of limonene chirality in aggregation states.
If a collection of identical particles is poured into a container, different shapes will fill to different densities. But what is the shape that fills a container as close as possible to a pre-specified, desired density? We demonstrate a solution to this inverse-packing problem by framing it in the context of artifici…
H-NMR spectroscopies, powder X-ray diffraction analysis, and thermogravimetric analysis. The supramolecular interactions and the equilibrium constant for a 1 : 2 (C60 : CD unit in γ-CDP) complex of C60 with γ-CDP were studied. Under ultraviolet A (UVA) irradiation C60-γ-CDP in water could generate singlet oxygen, whic…
Do isomeric core-forming blocks afford the same thermo-responsive behavior for diblock copolymer worm gels?
Self-assembled metallamacrocyclic Cu(II) and Ni(II) complexes of the types [Cu(L1-O,S)]3 (1), [Ni(L1-O,S)]3 (2), [Cu(L2-O,S)]2 (3) and [Ni(L2-O,S)]2 (4) [H2L1 = 3,3,3',3'-tetrabenzyl-1,1'-terephthaloylbis(thiourea) and H2L2 = 3,3,3',3'-tetrabenzyl-1,1'-isophthaloylbis(thiourea)] were synthesized and characterized by a…
Hydroformylation and Tsuji–Trost reactions were efficiently performed in low melting mixtures (LMMs) allowing the easy recyclability of the catalytic system.
The oxidation states, interface, and band alignment properties of physical vapor deposited CeO2 films on epitaxial (100), (110), and (111)Ge were investigated by x-ray photoelectron spectroscopy (XPS). The cross-sectional transmission electron microscopy demonstrated the polycrystalline nature of the CeO2 film. XPS an…
AIM: To investigate the influence of different staining beverages on color stability, surface roughness and microhardness of silorane and methacrylate-based composite resins. MATERIALS AND METHODS: Three different composite resins (Filtek Silorane, Filtek P60, Filtek Supreme XT) were tested. Thirty cylindrical specime…
Cu nanowires–Ag heterostructures are prepared using the as-prepared rough Cu wires as “substrate”, which exhibit an excellent catalytic activity.
Well-defined silica supported W catalysts with the general formula [(SiO)W(NAr)(CHtBu)(OR)] (OR = OtBu F9 , OtBu F6 , OtBu F3 , OtBu and OSi(OtBu) 3 ), prepared by grafting bis-alkoxide complexes [W(NAr)(CHtBu)(OR) 2 ] on silica dehydroxylated at 700 °C (SiO 2(700) ), display unexpectedly high activity in compariso…