Materials Literature
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We report a novel strategy to study the chain dynamics of poly(acrylic acid) (PAA) in a relative concentrated solution (1.0 g/L). The strategy is based on the fluorescent probe (DCTPE) with unique aggregation-induced emission (AIE) characteristics. Free DCTPE molecules are non-emissive in aqueous solution, but they be…
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The expressions for the shear, nS (!), and volume, nV (!), viscosity coefficients in multiatomic liquids have been obtained by solving the kinetic equations for one- and two-particle distribution functions, and their dependences on the thermodynamic state parameters have been analyzed. Numerical calculations of nS (w)…
Neste trabalho foi investigado a influência do metal de adição sobre a susceptibilidade ao trincamento por corrosão sob tensão (CST) de juntas soldadas do aço inoxidável austenítico AISI 310 e do aço inoxidável duplex 2304 em solução aquosa de MgCl2 (43%). Dois tipos de metal de adição (E309L e E2209) foram usados com…
Fluorescent probes play a key role in modern biomedical research. As compared to inorganic quantum dots (QDs) composed with heavy metal elements, organic dye-based fluorescent nanoparticles have higher biocompatibility and are richer in variety. However, traditional organic fluorophores tend to quench fluorescence upo…
Aluminium films have been prepared by two different techniques namely direct current (DC) sputtering and thermal evaporation on polyethylene terephthalate (PET) substrates. Effects of techniques types on the structural and electrical characteristics of the films were studied. The effect of nano surface topography on e…
[EN] Thin films of cadmium sulfide (CdS) have been prepared on ITO substrates by chemical bath deposition (CBD) technique using cadmium chloride (CdCl2), or cadmium sulfate (CdSO4) as cadmium ions source and thiourea as sulphur ions source. In a previous paper [1], we proposed the preparation of CdS layers deposited b…
Superhydrophobic surfaces (SHS) are characterized for exhibit extreme water repellency. Where water droplets roll easily and have a contact angle higher than 150º. The inspiration to produce artificial SHS comes from nature, the Lotus leaf. Hierarchical surface topographies at micro/nanoscale are critical for this eff…
The present work is the study of the dark current density for porous silicon which is prepared by photo-electrochemical etching for n-type silicon by using laser power density of (10mw/cm2)and wavelength(650nm) under different anodization time(50,60)minute. ,The results obtained from this study shows different charact…
International audience
The advanced use of inorganic membranes, such as zeolites, in large-scale industrial processes is hindered by the inability to manufacture continuous and defect-free membranes. We therefore aimed to construct such a defect-free membrane. Various zeolites were synthesised on the inner surface of α-alumina support tubes…
International audience
2,3-Bis(4-(phenyl(4-(1,2,2-triphenylvinyl)phenyl)amino)phenyl) fumaronitrile (TPE-TPA-FN or TTF), which possesses aggregation-induced emission (AIE) characteristic, is doped in organically modified silica (ORMOSIL) nanoparticles. By increasing the weight ratio of TTF to the precursor of silica nanoparticles (the quant…
The discovery of superconductivity in LaFeAsO1_xFx with the transition temperature of Tsc = 26 K, puts the iron pnictide superconductors in the first stage of the experimental and theoretical studies in superconducting research. The discovery of iron-based superconductors with high phase transition temperature was une…
International audience
Na última década, as resinas de poliéster insaturado (UPRs) têm vindo a tornar-se um material importante \nna área Biomédica. Estas resinas apresentam excelentes propriedades mecânicas e uma capacidade \nintrínseca de biodegradação, contudo são constituídas normalmente por monómeros ou agentes de \nreticulação/monómer…
International audience
Η αναδιαμόρφωση της χρωματίνης καθώς επίσης και οι δυναμικέςαλλαγές που συντελούνται στο επίπεδο των πυρηνοσωμάτιων παίζουνπολύ σημαντικό ρόλο ως αναφορά τη ρύθμιση της γονιδιακής έκφρασηςεπηρεάζοντας έτσι τον κυτταρικό πολλαπλασιασμό, τη κυτταρικήδιαφοροποίηση και την απόπτωση. Ένας από τους ποιο σημαντικούςμηχανισμο…
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Efficient room temperature phosphorescence (RTP) is rarely observed in pure organic luminogens. However, we have newly observed that benzil and its derivatives are nonluminescent in solvents and thin layer chromatography (TLC) plates, but become highly phosphorescent in crystal state at room temperature, exhibiting ty…