Materials Literature
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Improved hemocompatibility from the perspective of platelets adhesion and activation on polyethylene terephthalate surfaces has been addressed. The activation stage of platelets has been determined from their size and morphology using scanning electron microscopy (SEM). The activation of platelets on untreated polymer…
A complex of resorcinol and hexamethylenetetramine (RH) was utilized to modify nanocrystalline cellulose (NCC). The modified NCC (MNCC) was then mixed with natural rubber (NR) filled silica. The structure, processing properties, mechanical properties, and dynamic compression fatigue properties of the NR/MNCC/Silica na…
Hierarchical calcium carbonate spheres composed of nanoparticles has been successfully synthesized via a solvothermal process. The structures are fabricated by the reaction of Ca (CH 3 COO) 2 with (CO(NH 2 ) 2 ) at 110 °C in diethylene glycolwater mixed solvents in the presence of polyvinylpyrrolidone. The as-prepared…
Abstract A new nanoparticle/block copolymer ( NP / BCP ) hybrid material combining the unique properties of BCP poly(styrene)‐ b ‐poly( d ‐lactide) ( PS ‐ b ‐ PDLA ) and inorganic NP quantum dots CdSe was developed. A systematic study on the microphase separation of a series of PS ‐ b ‐ PDLAs by small‐angle X‐ray scat…
A low molecular weight purely organic Förster resonance energy transfer (FRET) sensitizer system combining multiple chromophores into a single molecule via covalent attachment is designed to adjust the ratio and relative position of the fluorol donor and coumarin acceptor units. A phenyl based scaffold accommodates bo…
Primidone (Mysoline), with the chemical formula 5-ethyl-5-phenyl-hexahydropyrimidine- 4,6-dione (C12H14N2O2), has been a valuable drug in the treatment of epilepsy. In the present work, the experimental IR and Raman spectra of solid phase primidone were recorded, and the results were compared with theoretical wavenumb…
The formation of liquid crystalline phases or isotropic clusters is observed in carbon nanotubes systems experiencing repulsive and attractive interactions, respectively. ssDNA-stabilized nanotubes act as strongly repulsive charged rods, showing nematic phases in (pseudo)-binary and ternary systems, in the presence of…
In the present study, Fe3 O4 magnetic nanoparticles were synthesized by the coprecipitation of Fe(2+) and Fe(3+) ions and used as a nanocarrier for the production of piroctone-olamine-loaded Fe3 O4 nanoparticles (Fe3 O4 @PO NPs). The nanocrystalline structure of the prepared iron oxide species was confirmed by the X-r…
Developments in X-ray analysis, and advances in scientific research, have dramatically influenced the types of data now considered suitable for inclusion in the Powder Diffraction File TM (PDF ® ). Initially, the PDF was geared towards the identification of unknown crystalline materials by comparison of d-spacings and…
Large-area periodically aligned silicon nanopillar (PASiNP) arrays were fabricated by magnetic sputtering with glancing angle deposition (GLAD) on substrates coated by a monolayer of close-packed polystyrene (PS) nanospheres. The structure of PASiNP arrays could be manipulated by changing the diameter of PS nanosphere…
This paper presents the results of three different fibers, Kenaf (hibiscus cannabinus ), oil palm ( Elaeis guineensis ) and abaca ( Musa textilis ) which were treated using 5 different types of surface treatments namely sodium hydroxide for 24 hours, glycidoxypropyltrimethoxy-silane for 24 hours, NaOH followed by Sila…
Ti 3 AlC 2 bulk materials with high mechanical properties have been fabricated by spark plasma sintering using Ti 3 AlC 2 powders as starting material. Effects of sintering temperature on the microstructure and mechanical properties of Ti 3 AlC 2 were investigated. Nearly full‐dense Ti 3 AlC 2 samples could be obtaine…
ABSTRACT Biopolymers and their composites were added during the formation of unbleached Kraft bagasse pulp paper sheets to improve the mechanical strength properties of the produced hand sheets. The biopolymers (cellulose, chitosan, and chitosan‐cellulose composite) were either crosslinked or noncrosslinked and they w…
Solution-treated, peak-aged and overaged samples of the model alloy Al–3 wt.% Cu, obtained by selective heat treatments of the pre-material, have been subjected to high-pressure torsion at room temperature and at 200 °C. The mechanical behaviour of the samples was investigated with torque measurements during deformati…
Standalone poly(vinyl alcohol) (PVA) nanowebs were developed in an environmentally friendly manner, and their breathability values were obtained. The strength of nanowebs was enhanced by heat cross-linking. Breathability values of untreated and heat cross-linked nanowebs remain the same indicating that stronger nanowe…
Abstract Recent years brought about a widespread interest in the potential applications of nanotechnology for the diagnostics and the therapy of human diseases. With its promise of disease-targeted, patient-tailored treatment and reduced side effects, nanomedicine brings hope for millions of patients suffering of non-…
High-temperature shape memory alloys are promising candidates for actuator applications at elevated temperatures. Ternary nickel–titanium-based alloys either contain noble metals which are very expensive, or suffer from poor workability. Titanium–tantalum shape memory alloys represent a promising alternative if one ca…
AlN thin film was coated over Cu substrate (575 mm2) with 400 nm thickness using DC sputtering for thermal interface material (TIM) application. Aluminum Nitride (AlN)-coated Cu substrate (AlN/Cu) was used as a heat sink for 3-W green light emitting diode (LED). The thermal transient curve was recorded for given LED a…
We propose a technique capable of designing fishnet metamaterials that have a negative refractive index (NRI) over a broad range in the visible and infrared. The technique relies on optimizing the shape and scale of the fishnet apertures as well as the depth of different layers of the composite. A metamaterial is obta…
The relationship between cytotoxicity and the levels of oxidative stress is reported with respect to annealing atmosphere in malignant 9L gliosarcoma tumor and nonmalignant Madin-Darby canine kidney cell lines.