Materials Literature
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Near-field blast load measurement presents an issue to many sensor types as they must endure very aggressive environments and be able to measure pressures up to many hundreds of megapascals. In this respect the simplicity of the Hopkinson pressure bar has a major advantage in that while the measurement end of the Hopk…
In the present research, the heat capacities of triphenylbismuth dimethacrylate Ph 3 Bi(O 2 CCMe═CH 2 ) 2 were measured between T = 5.3 and 330 K with the precision adiabatic vacuum calorimeter and from T = 310 to 420 K with the differential scanning calorimeter. There revealed a reproducible anomaly from 150 to 170 K…
The energy conservation of electronic components in computers is a very popular area of research for engineers because the temperature control inside the system unit of a desktop computer plays a vital role in its life and energy consumption. It is essential to study the various factors such as velocity of the inlet a…
Abstract In this paper, some aspects of the determination of the concentration profile during diffusion in NiAl–Ti and CMSX4 systems are shown by means of numerical simulations. The results are compared with experiments. The bivelocity method is used to show the evolution of the three-component multiphase system. The…
Type 2 isopentenyl diphosphate:dimethylallyl diphosphate isomerase (IDI-2) catalyzes the interconversion of isopentenyl diphosphate (IPP) and dimethylallyl diphosphate (DMAPP) in the isoprenoid biosynthetic pathway. The enzyme from Streptomyces pneumoniae (spIDI-2) is a homotetramer in solution with behavior, includin…
Abstract An amorphous/epitaxial superlattice system is proposed for application to thermoelectric devices, and the superlattice based on a PbGeTeS system was prepared by the alternate deposition of PbS and GeTe using a hot wall epitaxy technique. The structure was analyzed by high-resolution transmission electron micr…
The development of active and passive plasmonic devices is challenging due to the high level of dissipation in normal metals. One possible solution to this problem is using alternative materials. Graphene is a good candidate for plasmonics in the near-infrared region. In this paper, we develop a quantum theory of a gr…
Cells of the non-filamentous cyanobacterial genus Eucapsis Clements et Shantz divide regularly in three perpendicular planes in subsequent generations and this process influences the final form of the ± cubic colonies. Two species, E. alpina and E. minor, were mainly presented in the traditional system, but in the las…
Methoxy(polyethylene glycol)-maleimide (mPEG-mal) is a PEG derivative used for thiol PEGylation of protein molecules and finds application in drug delivery studies. The maleimide group undergoes degradation in aqueous media, resulting in the difficult quantitative analysis of mPEG-mal. Routinely employed methods for s…
With the aim to develop biomaterials for temporary medical devices, a series of novel reducible and/or degradable elastomers has been prepared from PLA-b-PEG-b-PLA copolymers photo-crosslinked with diallyl sulfide or pentaerythritol tetrakis(3-mercaptopropionate). Thermal and mechanical properties, including elastic l…
This study reports a novel ultraviolet (UV) absorber, N-dihydroxy ethylene cyanoguanidine (NDEC), which was synthesized from dicyandiamide and glyoxal. The NDEC compound was characterized by Fourier-transform infrared spectrum and nuclear magnetic resonance. NDEC was grafted onto cotton fabric through covalent bonding…
Biodiesel production and application are gaining popularity in recent times due to diminishing petroleum reserves and detrimental environmental impacts. There are many available edible oils (Palm oil, coconut oil etc.) and non-edible oils (Jatropha oil, Cotton seed oil etc.) but the use of alternative feedstock as was…
In this paper, we study the conductance of the graphene nanoribbons(GNRs) in the presence of the Stone-Wales(S-W) reconstruction, using the transfer matrix method. The ribbon is connected with semi-infinite quantum wires as the leads. The S-W reconstruction occurs on the edges and the interfaces between the electrodes…
Lanthanide oxide nanocrystallites have gained a lot of attention due to their diverse use for potential applications and from this reason it is very important to find a suitable preparation method that would be economically inexpensive and easy to implement. The article describes preparation of samarium oxide nanocyst…
Major discoveries in structural biology depend on obtaining well-diffracting macromolecular crystals. This necessity has motivated many fundamental studies on protein crystallization using lysozyme as a model system. In the present contribution, we report the unprecedented observation of lysozyme crystals that stop di…
The total mass attenuation coefficients m/r, of some halides such as, NaCl, KCl, CuCl, NaBr, KBr, RbCl, AgCl, NaI, KI, AgBr, CsI, HgCl2, CdI2 and HgI2 were determined at photon energies 279.2, 320.07, 514.0, 661.6, 1115.5, 1173.2 and 1332.5 keV in a well-collimated narrow beam good geometry set-up using a high resolut…
We have designed and demonstrated a complementary metal-oxide-semiconductor compatible process for fabricating high capacitance micro-capacitors based on vertically grown silver nanowires on silicon substrates. Array of silver nanowires with high-aspect ratio were electrochemically grown in the pores of anodized alumi…
A set of uniform carbon microspheres (CSs) whose diameters have the order of 0.125 μm to 10 μm was prepared from aqueous sucrose solution by means of hydrothermal carbonization of sugar molecules. A pressed pellet was composed by mixing CSs with polyethylene oxide (PEO). Electrical characterization of the pellet was c…
Single-walled carbon nanotubes (SWNTs) have been increasingly used in a variety of biomedical applications, such as in vivo delivery of drugs and tumor imaging. Potential exposure of SWNTs to human red blood cells (RBCs) may cause serious toxicity including alteration of mechanical properties of cells. The present stu…
Near-field blast load measurement presents an issue to many sensor types as they must endure very aggressive environments and be able to measure pressures up to many hundreds of megapascals. In this respect the simplicity of the Hopkinson pressure bar has a major advantage in that while the measurement end of the Hopk…