Scopul nostru este sprijinirea şi promovarea cercetării ştiinţifice şi facilitarea comunicării între cercetătorii români din întreaga lume.
Among several groups vulnerable to discrimination in 21st century Europe, Roma loom large because the poorer, traditionally-minded elements continue to resist integration and remain on the margins of society. Most of the people involved have become EU citizens as a result of recent accession by East Central European countries where marginalisation has been tolerated, with varying degrees of discrimination, ever since the 19th century abolition of
Read moreThe present work is devoted to the investigation of the polyamidoamine (PAMAM) dendrimer binding on the surface of polymer particles. Two generations of amino-terminal PAMAM macromolecules were chemically immobilized on the outer epoxy-shell of the polymer leading to nanostructured surface further available for cluster-like binding of a wide range of chemical species. The study proved that nanostructuring was successful and even enhanced by higher
Read moreThe use of smoke pyrotechnic compositions bring during use an intoxication risk to the staff located in the immediate proximity. One of the methods for pyrotechnic composition toxicity evaluation consists in the dimensional analysis of the solid particles resulted from the combustion and the determination of the respiratory system intrusion rate. The experimental determinations were performed for three new smoke compositions: two of them based on
Read moreThis paper presents a portable device for rapid preparation of samples, in situ, in order to facilitate the detection and identification of toxic substances. This product is for research and provides increased sensitivity NBC detection equipment (ion mobility spectrometers, indicated tubes), and decreasing the time needed for preparation solid and liquid samples to identify toxic substances by spectrometric techniques (gas chromatography with mass
Read moreThis paper presents the experimental results obtained as a result of the testing on castor of a new type of nanocomposite superparamagnetic material. The purpose of the biochemical fixing tests was to obtain information concerning the characteristics of the biochemical fixing: efficiency, mechanisms, etc. The tested nanocomposite structure represents a new nanocomposite material, of the (ECH)nβ-{Fe3O4-n[SiO1.5γ-(CH2)3(NH2)](NH2)nδ}-(GL)nε type
Read moreIn this chapter we have presented and investigated the specific mechanisms underlying the reticulation, separation and encapsulation processes of organic pollutants. Specific depollution mechanisms, as well as the main depollution parameters (yield, efficiency), have been investigated by testing a polyfunctionalized nanocomposite material (MOF-DP) on three types of water charged with organic pollutants. The polluted waters on which the depollution
Read moreThis paper presents the unitary and controlled synthesis of nanostructures of the type Fe3O4-n[SiO1.5-(CH2)3(NH2)]-Snθ [Fe3O4 = magnetic core; n[SiO1.5-(CH2)3(NH2)] = coating layer; -NH2 = layer made up of groups which play an important part in biochemical interface; Snθ = exterior layer of biochemical cross-linked molecules]. The purpose of obtaining these nanostructures is to fix Fe3O4-n[SiO1.5-(CH2)3(NH2)]-Snθ on microorganism surface through
Read more