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Development of nickel-based magnetoliposomes

Liposomes entrapping nickel-based magnetic nanoparticles (magnetoliposomes) were prepared and characterized.

Exciton migration in self-assembled dendrite-type fractal superstructures of mo...

We investigated dendrite shaped superstructures made of two different QDs, namely CdSe/ZnS and CdTe. Due to the dense packing of QDs, Förster resonance energy transfer (FRET) may compete with deexcitation, and the specific dendrite shaped structure suggests the possibility of funneling of excitation from the edges of the structure to the center.

A soft method for the production of CdSe and CdSe/ZnS quantum dots

Comunicação Oral Convidada. ; A soft method for the production of CdSe and CdSe/Zns quantum dots is presented, as well as the main experimental results.

Release of volatile compounds from polymeric microcapsules mediated by photocat...

In this study we propose a suitable method for the solar-activated controlled release of volatile compounds from polymeric microcapsules bonded with photocatalytic nanoparticles. These reservoirs can find applications, for example, in the controlled release of insecticides, repellents, or fragrances, amongst other substances. The surfaces of the microcapsules have been functionalized with TiO2 nanoparticles.Upo...

Photocatalytic thin films coupled with polymeric microcapsules for the controll...

This work reports on the application of solar-activated photocatalytic thin films that allow the controlled-release of volatile agents (e.g., insecticides, repellents) from the interior of adsorbed polymeric microcapsules. In order to standardize the tests,a quantification of the inherent controlled-release of a particular volatile agent is determined by gas chromatography coupled to mass spectroscopy, so that ...

New 1,3-diarylureas linked by C-C Suzuki coupling to the methyl 3-aminothieno[3...

New six fluorescent 1,3-diarylureas linked by C-C Suzuki coupling to the 6-position of the methyl 3-aminothieno[3,2-b]pyridine-2-carboxylate moiety were prepared by reaction of the amino groups on the ortho or meta positions relative to the C-C bond of the Suzuki coupling products, with different para-substituted arylisocyanates (H, OMe, CN), in high to excellent yields. The fluorescence properties of the 1,3-d...

Magnetoliposomes based on magnetite nanoparticles

In this work, magnetic nanoparticles of magnetite were prepared by soft chemical methods, using different surfactants as templating media. These nanoparticles were either covered with a lipid bilayer, forming dry magnetoliposomes, or entrapped in liposomes - aqueous magnetoliposomes.

Magnetoliposomes based on nickel/silica core/shell nanoparticles

In this work, magnetic nanoparticles of nickel core with silica shell were prepared by soft chemical methods, using tetraethyl orthosilicate (TEOS) and different surfactants as templating media. These nanoparticles were either covered with a lipid bilayer or entrapped in liposomes.

Production and photoactivity spectrum of Ni/TiO2 core shell nanoparticles

In this work, Ni nanoparticles were obtained by laser ablation of a Nickel target with femtosecond pulses from a Ti-Sapphire laser in an aqueous media. Subsequently, these nanoparticles were isolated and covered with TiO2.

Antifungal photodynamic efficacy of Benzo[a]phenoxazinium chlorides against Can...