Materials Literature
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The HA is present in almost all vertebrates and plays a critical role in tissue development and cell proliferation, it has been demonstrated to promote wound healing and involved in angiogenesis and inflammation. Also polynucleotydes (PN) have proved to promote the “in vitro” growth and activity of human fibroblasts a…
Semiconducting zinc oxide (ZnO) nanorods were obtained in bulk quantity by an hexamethylenetetramine (HMTA)-assisted hydrothermal method at low temperature (90°C) with methenamine ((CH3)6N4 as surfactant and catalyst and zinc nitrate Zn(NO3)2·6H2O as Zn source. The structure and phase of ZnO nanorods were studied usin…
Iodide, as a biologically important anion, it remains a worthwhile yet challenging undertaking to find a sensitive and specific approach to provide a technically simple iodide detection. In this article, it was found that no other ions than iodide-induced anisotropic growth of gold nanocrystals (AuNCs) originated from…
The self-assembly and the resulting morphology of a set of asymmetrically substituted perylene diimide is discussed. We synthesized perylene diimides with hydrophilic Jeffamine® (PEO/PPO co-oligomer) attached to the imide nitrogen on one side and (hydrophobic) alkyl chains of different lengths on the other. Although s…
A new family of squarylium monoalkylamides and dialkylamides was synthesised and its organogelation ability was evaluated. We found that both squarylium monoalkylamides and dialkylamides formed organogels in DMF. We also found that ion-selective organogel formation was observed in DMF solutions containing metal ions,…
Composite mesostructures consisting of organosilica with isocyanurate bridging groups and alumina have been synthesized using evaporation-induced self-assembly (EISA) in the presence of a triblock copolymer, Pluronic P123, in absolute ethanol solution. These mesostructures were prepared using aluminum isopropoxide and…
A novel eighteen membered chiral macrocyclic dicarbene-digold complex [(μ-diNHC)Au(I)]2[OTF]2 (8-(+/-)) was synthesized and characterized. Starting with enantiopure diNHC imidazolium salt ligand precursors enables access to the enantiopure versions of the digold(I) metallamacrocycles, 8-(+) and 8-(-). In vitro cytotox…
A new design of fully automatic system was built up to produce multiwalled carbon nanotube (MWCNT) using arc discharge technique in deionized water and extra pure graphite multiple electrodes (99.9% pure). The goal of the experimental research is to determine the yield of CNT in two different cases: (a) single plasma…
Coarse-grained molecular dynamics simulations are performed to investigate the interaction and complex formation of a spherical polyelectrolyte brush (SPB) consisting of uniformly distributed grafted polyelectrolytes (GPE) and an oppositely charged linear polyelectrolyte (LPE). This system is considered as a model for…
The authors demonstrate a smart and versatile approach for preparing multi-spectral conjugated polymers from a commercial precursor MEH-PPV without tedious synthetic modification. Multi-color CPNs with small size have also been successfully prepared using a modified-reprecipitation procedure for live cell imaging.
In comparison to the conventional high-temperature (≥1300 °C) preparation methods, a novel strategy for the synthesis of a Ruddlesden–Popper (R–P) type layered perovskite La3Mn2O7+δ (LLM) at a relatively low temperature (700 °C) was proposed. The conventional perovskite LaMnO3 (LM) and the nominal La3Mn2O7+δ (NLM) syn…
Homogenously alloyed CdSe(x)S(1-x) nanorods with controlled aspect ratios are synthesised by a hot-injection colloidal route. The optical absorption and photoluminescence emission are compositionally tunable with chalcogen ratios. The synthetic protocol is sufficiently robust to allow good control of rod aspect ratios…
The properties of capacity-type microplasma devices were significantly enhanced due to the utilisation of hybrid diamond films as cathodes. The performance of the microplasma devices was closely correlated with the electron field emission (EFE) properties of the diamond cathode materials. The nanoemitters, which were…
This article describes syntheses, structural characterizations and magnetic studies of two different Cu(II)-azido compounds, a discrete dinuclear complex and an extended 2D network. The compounds, [Cu(μ(1,1)-N3)(N3)(Me2en)]2 (1) and [Cu3(μ(1,1,1)-N3)2(μ(1,1,3)-N3)(μ(1,1)-N3)2(μ(1,3)-N3)(Me2en)]n (2), have been synthes…
Designing surfaces to deliver therapeutic compounds to adhering cells is of paramount importance for both implantable devices and tissue engineering. We report the assembly of composite films consisting of liposomes as drug deposits in a poly(dopamine) matrix. We monitor the film assembly using a quartz crystal microb…
Adenosine triphosphate (ATP) is a versatile molecule used mainly for energy and a phosphate source. The hydrolysis of γ phosphate initiates the reactions and these reactions almost always start when ATP binds to protein. Therefore, there should be a mechanism to prevent spontaneous hydrolysis reaction and a mechanism…
We report a simple and effective vapor deposition method for directly growing ultra-long, laterally aligned, zinc oxide (ZnO) nanorod arrays only on the side edges of a bare silicon (Si) substrate without using any catalysts and precursors. The growth on the top surface of the substrate is restrained by controlling th…
Two series of supramolecular hydrogen-bonded liquid crystalline complexes have been designed and synthesized. A successful attempt has been made to form hydrogen bond between Suberic acid (SA) and Pimelic acid (PA) with p-n-alkyloxy benzoic acids (nBAO) by varying the respective alkyloxy carbon number. The first homol…
In this article, hexagonal phase NaYF4:Yb,Er (β-NaYF4:Yb,Er) nanoparticles with a controlled size and morphology were synthesized via a simple and environmentally friendly method under relatively mild conditions. The different F−/Y3+ molar ratios were used in the synthesis of hexagonal Yb3+,Er3+ codoped NaYF4 nanocrys…
Cytotoxicity testing of nanoparticles (NPs) by conventional screening assays is often complicated by interference. Carbon nanotubes (CNTs) are particularly difficult to assess. To test the suitability of cell-based label-free techniques for this application, a panel of CNTs with different diameters and surface functio…