Esta revisão cobre os principais eixos de pesquisa desenvolvidos nas Universidades Livres de Bruxelas entre 1961 e 2001. Primeiro, introduzimos os conceitos desenvolvidos no campo das reações de quebra das ligações carbono-estanho em compostos RR’R”R”’Sn usando reagentes E-N, obtendo-se R-E e R’R”R”’SnN, em solventes nucleofilos e não nucleofilos. A adição do nucleofilo ao íon metálico é necess...

Sir, the recent report on acute organo-phosphorus pesticide poisoning, oxidative damage, haemoglobin level and total leukocyte is very interesting [1]. Hundekari et al. noted that “cholinesterase inhibition may initiate cellular dysfunction leading to acetylcholine induced oxidative damage [1].” This work is very useful information in clinical toxicology. However, there are many points to be co...

A new organo-soluble [60]fullerene hexaadduct bearing twelve thiocyanate functions has been synthesized and successfully used as a stabilizing/assembling agent to assemble homogeneous sub-3 nm gold nanoparticles into extended tridimensional networks.

The subphase adsorption behavior and the morphology of trypsin enzyme, lysozyme cytochrome C protein, glucose oxidase present on Langmuir monolayer organo-modified single-wall carbon nanotubes (SWCNTs) were investigated. Furthermore, we estimated maintenance characteristics three-dimensional structure SWCNT film-adsorbed biomolecules when exposed to a high-temperature environment. In this study...

Hybrid silicate materials derived from organo-bridged silsesquioxane precursors, RO3-Si-R'-Si-OR3, where R and R' are organic ligands, represent a remarkably diverse class of nanocomposites capable of forming both Si-O-Si and Si-C-Si bonds with molecular scale homogeneity. Recently, in an effort to better control their structure and function, surfactant-directed self-assembly or self-directed a...

A conventional liner with a good performance against inorganic contaminants with a minimal hydraulic conductivity does not usually perform well for retention/removal of leachates containing organic contaminants. Organic modification of clay can render the naturally organophobic clay to be organophilic. Incorporation of modified organo clay along with unmodified inorganic clay in liner systems c...

In this work we proposed a relative humidity (RH) sensor based on a Bragg grating written in an optical fiber, associated with a coating of organo-silica hybrid material prepared by the sol-gel method. The organo-silica-based coating has a strong adhesion to the optical fiber and its expansion is reversibly affected by the change in the RH values (15.0-95.0%) of the surrounding environment, all...

Eight organo-iron ferrocene derivatives and arenocenium salts were prepared and evaluated by "in vitro" assay against one strain of Trypanosoma cruzi (Y). Six of the eight organo-iron compounds assayed, piperazinium diferrocenoate 1, eta(6)-(o-xylene)-eta(5)-(cyclopentadienyl) Iron(II) hexafluorophosphate 3, eta(6)-(mesitylene)-eta(5)-(cyclopentadienyl) iron(II) hexafluorphosphate 5, eta(6)-(du...

Abstract. Vehicle exhaust, as a major source of air pollutants in urban areas, contains complex mixture organic vapours including long-chain alkanes and aromatic hydrocarbons. The atmospheric oxidation vehicle emissions is highly system inorganic gases (e.g. NOx SO2) from other sources coexist therefore remains poorly understood. In this work, the photooxidation n-dodecane, 1,3,5-trimethylbenze...