Materials Literature
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Abstract In this work was established that serial traditional hardfacing materials based on the Fe-Cr-C system are not effective for improvement of abrasion resistance of elements of equipment for production of bricks, solid fuel briquettes and for restoration of augers, due to the fact that this equipment works at si…
Antioxidant films based on poly(ε-caprolactone) (PCL) containing almond skin extract (ASE) were developed for food packaging applications. The effect of ASE incorporation on the morphological, structural, colour, mechanical, thermal, barrier and antioxidant properties of the prepared films were evaluated. The structur…
Halloysite nanotubes (HNTs) have attracted great attention in the field of nanotechnology as natural, high value-added nanomaterials. Despite their significant potential as carriers of active agents and fillers in nanocomposite structures, inhomogeneity of HNTs in terms of length and diameter along with their agglomer…
We present a terahertz wave dual-band polarization converter with near-perfect asymmetric transmission (AT) performance based on anisotropic metamaterial that is composed of a bi-layered subwavelength metal grating sandwiched with symmetrical dual radar structure array. It can achieve high efficiency dual-band polariz…
Over the past decade, green chemistry research has focused on the importance of protecting the environment, especially to align with UN sustainable development goals by avoiding the use of chemicals that are harmful to the environment and society. In this study, an aqueous extract derived from brown sea algae was prep…
We reported a controlled synthesis method to obtained carbon spheres with tunable geometry under low ZnCl 2 aqueous solution conditions using polytriazine as a precursor. The polytriazine precursor was polymerized by mixing/reaction of 2,6-diaminopyridine and formaldehyde in the presence of a diluted ZnCl 2 aqueous sy…
Silk has been used in several biomedical applications, including tissue engineering, drug delivery systems, biomedical implants, and diagnostic medical devices, due to its attractive intrinsic properties such as biocompatibility, controllable biodegradability, and excellent mechanical properties. In recent years, seve…
Abstract Background Nanotechnology is indispensable to many different applications. Although nanoparticles have been widely used in, for example, cosmetics, sunscreen, food packaging, and medications, they may pose human safety risks associated with nanotoxicity. Thus, toxicity testing of nanoparticles is essential to…
Constrained by the fixed mathematical form of most empirical potentials used in classical molecular dynamics (MD) simulations, many properties of materials cannot be captured within experimental accuracy. On the other hand, accurate electronic structure calculations based on quantum theory, most notably density functi…
Persistent metal-free room-temperature phosphorescence (RTP) materials attract significant interest owing to the production of long-lived triplet excited states. Although several organic designs show RTP, the impact of intermolecular interactions on the triplet excitons stabilization and migrations remains hardly unde…
Cardiovascular disorders are a healthcare problem in today’s society. The clinically available synthetic vascular grafts are thrombogenic and could induce intimal hyperplasia. Rapid endothelialization and matched mechanical properties are two major requirements to be considered when designing functional vascular graft…
In the development of novel phosphors for various applications, chemical stability was usually neglected. However, the chemical stability of phosphors is strongly relevant to the lifetime and power limit of lighting devices. Here, we report Sr 2 Al 3 Si 7 ON 13:Ce 3+, a potential green-emitting candidate for lighting…
Carbon nanotubes are efficient thermal conductors and exhibit unique electrical properties. What is not entirely clear, however, is how to effectively transfer the carbon nanotube's unique attributes exhibited at the nanoscale to the macroscale. The primary focus of this study was upon identifying the main causes that…
The increase in demand for thermoplastics as a light-weight material for automobile application and other commercial purposes prompts more research into the available polymer resources. In this research, the possibility of enhancing the performance of recycled waste plastics (RWP) as polymer-based composites was exami…
Natural animal collagen and its recombinant collagen are favourable replacements in human tissue engineering due to their remarkable biomedical property. However, this exploitation is largely restricted due to the potential of immunogenicity and virus contamination. Exploring new ways to produce human collagen is fund…
Femtosecond (fs) laser pulsed excitation of plasmonic nanoparticle (NP)-biomolecule conjugates is a promising method to locally heat biological materials. Studies have demonstrated that fs pulses of light can modulate the activity of DNA or proteins when attached to plasmonic NPs; however, the precision over subsequen…
Abstract Known as a weak topological insulator (TI), BiSe structurally exhibits alternating stacks of quantum spin Hall bilayer (“Bi 2 ”) and three‐dimensional TI layer (“Bi 2 Se 3 ”). The low lattice thermal conductivity of BiSe due to the presence of Bi 2 bilayers promises potentially good thermoelectric performance…
In this work, two varying types of composites with a fixed weight percentage of plain woven glass fiber and epoxy reinforced with four different types of filler materials such as one with CaCO3-Al2O3-MgO-TiO2 and another with CaCO3-Al2O3-MgO-CuO at different weight ratios (5, 10 and 15 gm) are studied. The composite s…
This study explores the molecular structuring of salmon gelatin (SG) with controlled molecular weight produced from salmon skin, and its relationship with its thermal and rheological properties. SG was produced under different pH conditions to produce samples with well-defined high (SGH), medium (SGM), and low (SGL) m…
Amidine-based ligand frameworks were employed to isolate a series of mononuclear lanthanide complexes. The employed N -2-pyridylimidoyl-2-pyridylamidine (Py 2 ImAm) undergoes metal-assisted hydrolysis yielding the ligand 2-amidinopyridine (PyAm), which coordinates to the lanthanide ions affording [Ln(acac) 3 (PyAm)],…