Abstract—This paper reports a compact Fourier transform spectrometer system with a large-stroke electrothermal microelectromechanical systems (MEMS) mirror and other optical components all integrated on a micromachined silicon optical bench with the footprint of 2 cm × 2 cm. The linear optical path difference (OPD) scan range generated by the MEMS mirror reaches up to 450 μm, and the tiltin…
This article offers a review, integration, and extension of the literature relevant to ostracism in organizations. We first seek to add conceptual clarity to ostracism, by reviewing existing definitions and developing a cohesive one, identifying the key features of workplace ostracism, and distinguishing it from existing organizational constructs. Next, we develop a broad model of ostracism…
Purpose – When facing greater demands in the international job market and the innovative development and use of technologies, the youth needs a new set of skills and attitudes to succeed in an increasing well-educated global workforce. It is essential that educators prepare high school students’ global literacy. In this paper, the authors survey high school students in New York City (NYC…
A novel method and process that produce the multiple-degrees-of-freedom dynamic model of four-wheel-steering vehicle is proposed for dynamic prediction. It can avoid disadvantages of half-baked expression by simple linear dynamic model through thinking about nonlinear specialty of tire and applying two-dimensional LuGre tire friction model. The complexity caused by the unit of suspension which …
Abstract. Nanoparticles of the Li–Ti–O precursors have been prepared using a reverse micelle method. Transmission electron microscopy (TEM) analysis showed that the precursor had an amorphous structure. The average diameter of the amorphous Li–Ti–O particles was approximately 5 nm (within a range of ±2 nm). X-ray diffraction measurement (XRD) results showed that the conversion of th…
Abstract. Supercapacitors are promising alternative energy storage systems due to their relatively fast rate of energy storage and delivery. We describe a simple and scalable method to fabricate three-dimensional (3D) few-layer graphene/multi-walled carbon nanotube (MWNT) hybrid nanostructures on industrial grade metal foam foils (nickel foam) via a one-step ambient pressure chemical vapor…
Abstract. Water-soluble fullerene derivatives have often been used as effective scavengers for reactive oxygen species. Three amphiphilic amino acid C60 derivatives, b-alanine C60 derivative, cystine C60 derivative and arginine C60 derivative have been synthesized and characterized. Because of the hydrophobic interaction, the amino acid C60 derivatives could self-assemble to form spherical…
Hexagonally patterned arrays of well-aligned, regular ZnO nanopillars with controlled size, shape, and orientation were directly fabricated on zinc foils via a facile wet chemical approach with the assistance of monolayer colloidal crystals (MCC). Two kinds of templates that were derived from MCC, i.e., inverted MCC (IMCC) and connected MCC (CMCC), were employed as masks to define the growth…
We present in this article our successes in synthesizing TiSi2 nanostructures with various complexities using a chemical vapor deposition (CVD) method. Attention has been paid to understanding the growth mechanism. The governing factor was found to be the surface energy differences between various crystal planes of orthorhombic TiSi2 (C54 and C49), because of their specific atomic arrangemen…
A facile one-pot polyol process for the synthesis of PbSe and NiSe2 hollow spheres, using R-Se solid spheres as starting core materials was successfully developed. The careful characterization of the timedependent products demonstrates that the Kirkendall effect could be the involved growth mechanism for the evolution process from Se solid spheres to PbSe and NiSe2 hollow spheres, which is sc…
ABSTRACT The wet-chemical synthesis of aluminum nanoparticles was investigated systematically by using dimethylethylamine alane and 1-methylpyrrolidine alane as precursors and molecules with one or a pair of carboxylic acid groups as surface passivation agents. Dimethylethylamine alane was more reactive, capable of yielding well-defined and dispersed aluminum nanoparticles. 1-Methylpyrrolidin…
MicroRNAs (miRNAs) function as key regulators of gene expression in various cancers. In this study, the aim is to explore the roles and regulation mechanism of miR-181c in neuroblastoma (NB) cells. We found that miR-181c was downregulated in metastatic NB tissues, compared with primary NB tissues. Then functional studies indicated that miR-181c overexpression inhibited NB cell proliferation, mi…