Materials Literature
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Wydawnictwo SIGMA-NOT wydaje czasopisma fachowe informujące swoich czytelników o najnowszych osiągnięciach naukowych i nowoczesnych rozwiązaniach technicznych w Polsce i na świecie, popularyzuje problemy techniczne oraz poszerza wiedzę i kulturę techniczną.
OBJECTIVE: To prepare a novel folate-targeted magnetic nanocomposites loaded with tissue facor pathway inhibitor 2 (TFPI-2) and cisplatin (CDDP) and to investigate its targeting ability and anti-tumor effect on nasopharyngeal carcinoma HNE-1 cells in vitro. METHODS: The copolymer folic acid-polyethylene glycol-polyeth…
Wydawnictwo SIGMA-NOT wydaje czasopisma fachowe informujące swoich czytelników o najnowszych osiągnięciach naukowych i nowoczesnych rozwiązaniach technicznych w Polsce i na świecie, popularyzuje problemy techniczne oraz poszerza wiedzę i kulturę techniczną.
Abstract The AISI 4130 steel grade is commonly used in piping systems, where optimum chemical composition and heat treatment can exhibit high yield strength, good ductility, and moderate weldability depending on composition. However, this steel grade is characterized by its low hardenability, which limits a good trans…
We present the results of research on fast relaxation dynamics in the electronic excitation of silver nanoparticles synthesized in the presence of carboxylated amine complexons (NTA, Na 2 EDTA, DTPA) without any reductant or polymeric stabilizer. Unusual transient absorption dynamics in these objects after femtosecond…
Wydawnictwo SIGMA-NOT wydaje czasopisma fachowe informujące swoich czytelników o najnowszych osiągnięciach naukowych i nowoczesnych rozwiązaniach technicznych w Polsce i na świecie, popularyzuje problemy techniczne oraz poszerza wiedzę i kulturę techniczną.
Wydawnictwo SIGMA-NOT wydaje czasopisma fachowe informujące swoich czytelników o najnowszych osiągnięciach naukowych i nowoczesnych rozwiązaniach technicznych w Polsce i na świecie, popularyzuje problemy techniczne oraz poszerza wiedzę i kulturę techniczną.
The THz-frequency range dispersion of the complex dielectric permittivity tensor of antiferroelectric lead zirconate, associated with its multiple weak infrared active phonon modes, is modelled by the oscillator formula with parameters fully determined from the recently developed atomistic shell model. The resulting r…
Wydawnictwo SIGMA-NOT wydaje czasopisma fachowe informujące swoich czytelników o najnowszych osiągnięciach naukowych i nowoczesnych rozwiązaniach technicznych w Polsce i na świecie, popularyzuje problemy techniczne oraz poszerza wiedzę i kulturę techniczną.
In this work, dissipative particle dynamics simulations were performed to study the self-assembly morphologies of rod–coil block copolymer polystyrene-b-poly(ethylene glycol) (PS-b-PEG) in aqueous solution under different variables. Effect of time evolution on the self-assembly morphology of PS-b-PEG was observed firs…
Jeongho Song, Yunyoung Noh, Minkyoung Choi, Kwangbae Kim, and Ohsung Song* Department of Materials Science and Engineering, University of Seoul, Seoul 02504, Republic of Korea Abstract: We prepared working electrodes with blocking layers containing 0.0∼0.5 wt% Au nano powder to improve the energy conversion efficienci…
Connection of the space grid elements by using connectors is one of the most common practices for construction of space structures. These connectors usually involve higher fabrication cost due to their complex geometry. To address this issue, in the present work, a new solid connector with simple geometry has been dev…
With the growing popularity of various plant proteins used as raw materials for meat production, interest of manufacturers to extend the range of such raw materials is increasing as well. Manufacturers are trying to minimize the cost of manufacturing their products with simultaneous preserving the nutritional value of…
The electrical conductivity of a space-used commercial silicone adhesive has been measured and its temperature dependence evidenced. It was shown to obey an Arrhenius law with an activation energy of 0.4 eV, associated with an electron-hopping transport. In parallel, this material was deprived from its fillers in the…
Background: Extracellular matrix (ECM) functions as a scaffold for tissue morphogenesis and regeneration, promotes the maintenance of differentiated tissue and plays an extremely indispensable role in cell proliferation and differentiation. As a corollary of this importance, studying the cell behaviors without conside…
Objectives: To assess the behaviour of reinforced concrete building frames under different types of blast loads. Methods: The method adopted for the analysis was ConWep blast load method. This is a computational method and is based on collection of conventional weapon effects calculations developed by U.S Dept. of Arm…
Solid Oxide Fuel Cells are considered as one prime technology for residential CHP and power generation applications. Employment in these sectors requires long operational lifetime beyond 10 years. This corresponds to anything between 20,000 and 100,000 hours of operation. In order to ‘survive’ this extended period of…
Wydawnictwo SIGMA-NOT wydaje czasopisma fachowe informujące swoich czytelników o najnowszych osiągnięciach naukowych i nowoczesnych rozwiązaniach technicznych w Polsce i na świecie, popularyzuje problemy techniczne oraz poszerza wiedzę i kulturę techniczną.
Coinage metal diatomic molecules are building blocks for nanostructured materials, electronic devices, and catalytically or photochemically active systems that are currently receiving lively interest in both fundamental and applied research. The theoretical study presented here elucidates the electronic structure in t…
The synthesis and characterization of four new nitroxide-radical-containing next-generation maleimides are presented. Each new label has a single leaving group which is either a phenoxyl or bromide. The linker between the maleimide and the nitroxide-containing framework is either a racemic mixture of a short chain or…