Materials Literature
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We present a mechanism for ultra-broadband transmission of acoustic waves through subwavelength hole arrays. Different fluids surrounding (or filling) the holes are considered, which allows tuning of the band of maximum transmission to different angles of incidence. For certain configurations, this band of total trans…
Resorcinol–formaldehyde carbon gels (RFCs) show several advantageous properties as a catalyst support over other carbons, as their pore volume and pore size can be readily tailored, for example, via CO 2 activation. In this study, RFCs were synthesized with various activation degrees (burn-off) as 0, 37, 58, and 88% a…
The complete mitochondrial genome of Selenops bursarius is a circular molecule of 14,272 bp in length, containing 13 protein-coding genes, 2 ribosomal RNAs, 22 transfer RNAs and a control region. The A + T content of the overall base composition of H-strand is 74.4% (T: 41.8%; C: 8.7%; A: 32.6%; G: 16.9%). COI gene be…
Abstract Injection moulding is a proven technology for high‐throughput production of nanostructures, but replication of raised structures is a considerable challenge, due to the complexities of cavity filling. We have developed a platform to systematically study the effects of nanostructures with aspect ratios up to 1…
The improvement in thermal shock resistance of refractory materials is among the crucial properties that interest researchers and industrials. The “flexibility” in terms of large strain‐to‐rupture is, up to now, an important parameter to develop such characteristic. This can be obtained by generating a network of micr…
Xaa-Pro dipeptidase (XPD; prolidase; EC 3.4.13.9) specifically hydrolyzes dipeptides with a prolyl residue at the carboxy-terminus. Xanthomonas spp. possess two different isoforms of XPD (48 and 43 kDa) which share ∼24% sequence identity. The XPD of 43 kDa in size (XPD43) from Xanthomonas spp. is unusual as it lacks t…
We utilize a custom-built shear cell mounted on a confocal microscope to directly visualize and quantify the microdynamic mechanisms that mediate the rheology of a nearly jammed colloidal suspension under constant-stress deformation, with and without attractive interparticle interactions. The application of external s…
We report on the injection of quantized pure spin current into quantum conductors. In particular, we propose an on-demand single-spin source generated by periodically varying the gate voltages of two quantum dots that are connected to a two-dimensional topological insulator via tunneling barriers. Due to the nature of…
The Apodi Plateau, located in the northeastern part of the state of Ceará in Brazil, has limestone as its parent material, with significant variation in the soils formed in this region, as well as the presence of iron nodules, having been identified. The iron oxides have been used as indicators for evaluating the weat…
We demonstrated the InGaN/GaN-based light-emitting diodes (LEDs) with SiO₂ nanoparticles embedded in nanopillar GaN template. With the SiO₂ nanoparticles placed between the GaN nanopillars, subsequent overgrowth of GaN layer started only on the exposed tips of the nanopillars and rapidly switched to the lateral growth…
Two advances in the synthesis of hairpin pyrrole-imidazole polyamides (PAs) are described. First, the application of a convergent synthetic strategy is shown, involving the Boc-based solid phase synthesis of a C-terminal fragment and the solution phase synthesis of the N-terminal fragment. Second a new hybrid resin is…
ABSTRACT We demonstrate simple, compact, and low cost passively Q‐switched erbium doped fiber lasers (EDFLs) using a single‐walled carbon nanotubes based saturable absorber (SA), which is prepared using polyethylene oxide as host polymer. The EDFL starts to generate a stable Q‐switching pulse at pump power of 30.8 mW…
The activities of nickel supported on MCM-41 catalysts, prepared by co-impregnation with polyols (ethylene glycol, glycerol, xylitol, sorbitol and glucose), were investigated by hydro- genation of naphthalene. Compared with the conventional wetness impregnation, addition of moderate polyols into the metal nitrate aque…
PEGylated oil is a terminology used to describe cosmetic ingredients that are the etherification and esterification products of glycerides and fatty acids with ethylene oxide. The Cosmetic Ingredient Review Expert Panel (Panel) considered the safety of PEGylated oils, which function primarily as surfactants in cosmeti…
Although prostate cancer has been known for thousands of years, it is a major public health issue for men even in the 21st century. As the understanding of cancer biology and the signaling pathways advances, it is now well understood that the detection of prostate cancer circulating tumor cells (CTCs) is an invaluable…
Watch that leak! Amorphous titania overlayers together with an intermixing of nickel catalyst can facilitate hole transport and give stability to traditional semiconductors for use as photoanodes for solar water oxidation.
NAD(+) is an essential molecule for life, present in each living cell. It can function as an electron carrier or cofactor in redox biochemistry and energetics, and serves as substrate to generate the secondary messenger cyclic ADP ribose and nicotinic acid adenine dinucleotide phosphate. Although de novo NAD(+) biosyn…
Abstract The spin-Hamiltonian parameters (g factors g||, g⊥, and zero-field splittings b0 2 , b0 4 , b4 4 , b0 6 , b4 6 ) of the 4f7 Gd3+ ion in the tetragonal phase of a BaTiO3 crystal are calculated through the diagonalization (of energy matrix) method based on the one-electron crystal field mechanism. In the calcul…
RsmI and RsmH are AdoMet-dependent methyltransferases that are responsible for the 2'-O-methylation and N(4)-methylation of C1402 of Escherichia coli 16S rRNA, respectively. Modification of this site has been found to play a role in fine-tuning the shape and function of the P-site to increase the decoding fidelity. It…
Magnetization oscillations excited by microwave voltages in ferromagnetic nanostructures having electric-field-dependent interfacial anisotropy are described theoretically. By calculating frequency dependencies of complex susceptibilities we show that this dynamic magnetoelectric effect acquires anomalous characterist…