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https://www.readbyqxmd.com/read/28092876/unexpected-cause-of-high-fever-in-the-blood-film
#1
Rudolf Benz, Sabine Majer
No abstract text is available yet for this article.
May 5, 2016: Blood
https://www.readbyqxmd.com/read/28092773/how-does-a-newly-encountered-face-become-familiar-the-effect-of-within-person-variability-on-adults-and-children-s-perception-of-identity
#2
Kristen A Baker, Sarah Laurence, Catherine J Mondloch
Adults and children aged 6years and older easily recognize multiple images of a familiar face, but often perceive two images of an unfamiliar face as belonging to different identities. Here we examined the process by which a newly encountered face becomes familiar, defined as accurate recognition of multiple images that capture natural within-person variability in appearance. In Experiment 1 we examined whether exposure to within-person variability in appearance helps children learn a new face. Children aged 6-13years watched a 10-min video of a woman reading a story; she was filmed on a single day (low variability) or over three days, across which her appearance and filming conditions (e...
January 13, 2017: Cognition
https://www.readbyqxmd.com/read/28092432/highly-ordered-nanoring-arrays-formed-by-templated-si-containing-triblock-terpolymer-thin-films
#3
Karim Aissou, Muhammad Mumtaz, Pierre Marcasuzaa, Cyril Brochon, Eric Cloutet, Guillaume Fleury, Georges Hadziioannou
Laterally ordered nanorings with a periodicity of 38 nm are produced from the directed self-assembly of poly(1,1-dimethylsilacyclobutane)-block-polystyrene-block-poly(methyl methacrylate) thin films on topographically patterned substrates. Such nanoscale arrays with vertically oriented rings are highly desired in technological applications including memory using magnetic recording, metamaterial, waveguide, etc.
January 16, 2017: Small
https://www.readbyqxmd.com/read/28092431/test-paper-like-photonic-crystal-viscometer
#4
Yuqi Zhang, Qianqian Fu, Jianping Ge
A test-paper-like photonic crystal (PC) viscometer is fabricated based on the positive correlation between viscosity and the infiltration time for viscous liquid to entirely soak the PC film. It can be broadly used in different occasions to quickly determine the viscosity for many liquids, considering its portable and disposable characteristics and the requirement of little samples.
January 16, 2017: Small
https://www.readbyqxmd.com/read/28092424/continuous-films-of-self-assembled-graphene-quantum-dots-for-n-type-doping-of-graphene-by-uv-triggered-charge-transfer
#5
Myung Jin Park, Yuna Kim, Youngsoo Kim, Byung Hee Hong
The demands to examine components serving as one of the active layers in heterostructures of 2D materials have been recently increasing. Nanomaterials synthesized from a solution process and their self-assembly can provide a promising route to build a new type of mixed dimensional heterostructures, and several methodologies have been reported previously to construct 2D assemblies from colloidal nanostructures in solution. Graphene quantum dots (GQDs), receiving much interest due to the tunable optical band gap and the capability of chemical functionalization, are considered as emerging nanomaterials for various optoelectronic and biological applications...
January 16, 2017: Small
https://www.readbyqxmd.com/read/28092172/analysis-of-indium-tin-oxide-film-using-argon-fluroide-arf-laser-excited-atomic-fluorescence-of-ablated-plumes
#6
Sut Kam Ho, Dario Machado Garcia
A two-pulse laser-excited atomic fluorescence (LEAF) technique at 193 nm wavelength was applied to the analysis of indium tin oxide (ITO) layer on polyethylene terephthalate (PET) film. Fluorescence emissions from analytes were induced from plumes generated by first laser pulse. Using this approach, non-selective LEAF can be accomplished for simultaneous multi-element analysis and it overcomes the handicap of strict requirement for laser excitation wavelength. In this study, experimental conditions including laser fluences, times for gating and time delay between pulses were optimized to reveal high sensitivity with minimal sample destruction and penetration...
January 1, 2017: Applied Spectroscopy
https://www.readbyqxmd.com/read/28092142/identifying-the-collective-length-in-vo2-metal-insulator-transitions
#7
Takeaki Yajima, Tomonori Nishimura, Akira Toriumi
The "collective length" in VO2 metal-insulator transitions is identified by controlling nanoscale dopant distribution in thin films. The crossover from the local transition to the collective transition is observed, which originated from the increased instability of the metal-insulator domain boundary. This instability renders the transition collective within the "collective length," which will enable to design collective electronic devices.
January 16, 2017: Small
https://www.readbyqxmd.com/read/28092011/microbubble-moving-in-blood-flow-in-microchannels-effect-on-the-cell-free-layer-and-cell-local-concentration
#8
David Bento, Lúcia Sousa, Tomoko Yaginuma, Valdemar Garcia, Rui Lima, João M Miranda
Gas embolisms can hinder blood flow and lead to occlusion of the vessels and ischemia. Bubbles in microvessels circulate as tubular bubbles (Taylor bubbles) and can be trapped, blocking the normal flow of blood. To understand how Taylor bubbles flow in microcirculation, in particular, how bubbles disturb the blood flow at the scale of blood cells, experiments were performed in microchannels at a low Capillary number. Bubbles moving with a stream of in vitro blood were filmed with the help of a high-speed camera...
March 2017: Biomedical Microdevices
https://www.readbyqxmd.com/read/28091990/revaluation-of-stockpile-amount-of-pfos-containing-aqueous-film-forming-foam-in-japan-gaps-and-pitfalls-in-the-stockpile-survey
#9
Yasuyuki Zushi, Atsushi Yamamoto, Kiyotaka Tsunemi, Shigeki Masunaga
Stockpiles of perfluoro-octane sulfonic acid (PFOS) containing aqueous film-forming foam (AFFF) have the potential to be emitted by leaching, spills, and during use in fire response and other processes. Several studies have discussed the high levels of stockpiled PFOS-containing AFFF and the risk they pose to the environment; however, there are large gaps in the amounts in Japan compared with other countries. For example, 300 tons are stockpiled in Canada, 2200-2600 tons in Switzerland, 1400 tons in Norway, and 19,000 tons in Japan from their reports for publication...
January 13, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28091951/femtosecond-circular-photon-drag-effect-in-the-ag-pd-nanocomposite
#10
Gennady M Mikheev, Aleksandr S Saushin, Viatcheslav V Vanyukov, Konstantin G Mikheev, Yuri P Svirko
We report on the observation of the helicity-dependent photoresponse of the 20-μm-thick silver-palladium (Ag/Pd) nanocomposite films. In the experiment, 120 fs pulses of Ti:S laser induced in the film an electric current perpendicular to the incidence plane. The photoinduced current is a linear function of the incident beam power, and its sign depends on the beam polarization and angle of incidence. In particular, the current is zero for the p- and s-polarized beams, while its sign is opposite for the right- and left-circularly polarized beams...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28091950/nanorods-on-surface-of-gan-based-thin-film-leds-deposited-by-post-annealing-after-photo-assisted-chemical-etching
#11
Lung-Chien Chen, Wun-Wei Lin, Te-Yu Liu
This study investigates the optoelectronic characteristics of gallium nitride (GaN)-based thin-film light-emitting diodes (TF-LEDs) that are formed by a two-step transfer process that involves wet etching and post-annealing. In the two-step transfer process, GaN LEDs were stripped from sapphire substrates by the laser lift-off (LLO) method using a KrF laser and then transferred onto ceramic substrates. Ga-K nanorods were formed on the surface of the GaN-based TF-LEDs following photo-assisted chemical etching and photo-enhanced post-annealing at 100 °C for 1 min...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28091949/nonmechanical-infrared-beam-steering-using-blue-addressed-quantum-dot-doped-liquid-crystal-grating
#12
Xiangru Wang, Xiaoping Huang, Ziqiang Huang, Liang Wu, Jiyang Shang, Qi Qiu, Shuanghong Wu
We present a scheme of nonmechanical laser beam steering using ZnS/InP quantum dots doping nematic liquid crystal as the optical recording film. Because of its internal electric field generated by blue laser-induced charge carrier distribution, liquid crystal molecules are reoriented to form a phase grating which make the incident angle steer to the angle as we desire. Being a nonmechanical programmable laser beam steering, the anisotropy of the relative permittivity tensor and blue laser-induced electric carriers play a significant effect in determining the reorientable liquid crystal molecule and reconfigurable phase modulation of the gratings, that determines the steering angle and steering efficiency...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28091947/characteristics-of-the-energetic-micro-initiator-through-integrating-al-ni-nano-multilayers-with-cu-film-bridge
#13
Yuxin Zhang, Hongchuan Jiang, Xiaohui Zhao, Yichao Yan, Wanli Zhang, Yanrong Li
An energetic micro-initiator through integrating Al/Ni nano-multilayers with Cu film bridge was investigated in this study. The Cu film bridge was initially fabricated with wet etching, and Al/Ni nano-multilayers were alternately deposited on the surface of Cu film bridge by magnetron sputtering. The periodic layer structure of Al/Ni nano-multilayers was verified by scanning electron microscopy. The exothermic reaction in Al/Ni nano-multilayers can be initiated with onset reaction temperature as low as 503 K, and the total reaction heat is about 774...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28091943/high-sensitive-ultraviolet-photodetectors-based-on-zno-nanorods-cds-heterostructures
#14
Kin-Tak Lam, Yu-Jen Hsiao, Liang-Wen Ji, Te-Hua Fang, Kai-Hua Hsiao, Tung-Te Chu
The ultraviolet (UV) photodetectors with ZnO nanorods (NRs)/CdS thin film heterostructures on glass substrates have been fabricated and characterized. It can be seen that the UV photoresponsivity of such a device became higher as the ZnO NR length was increased in the investigation. With an incident wavelength of 350 nm and 5 V applied bias, the responsivity of photodetectors based on ZnO NR/CdS heterostructures with the ZnO NR length at 500, 350, and 200 nm and traditional CdS film were at 12.86, 3.83, 0...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28091682/all-inorganic-perovskite-quantum-dot-mesoporous-tio2-composite-based-photodetectors-with-enhanced-performance
#15
Lin Zhou, Kai Yu, Fan Yang, Jun Zheng, Yuhua Zuo, Chuanbo Li, Buwen Cheng, Qiming Wang
High-performance all-inorganic perovskite-based metal/semiconductor/metal (MSM) photodetectors with a bilayer composite film of mesoporous TiO2 and CsPbBr3 quantum dots as a photosensitizer were prepared. The photodetectors demonstrated significantly improved on/off ratios of nearly three orders of magnitude compared to those of pure bromine-based perovskite nanocrystal photodetectors with an MSM structure.
January 16, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28091646/molecular-hydrogen-production-from-amorphous-solid-water-during-low-energy-electron-irradiation
#16
Kamel A K Gadallah, Demian Marchione, Sven P K Koehler, Martin R S McCoustra
This work investigates the production of molecular hydrogen isotopologues (H2, HD, and D2) during low energy electron irradiation of layered and isotopically labelled thin films of amorphous solid water (ASW) in ultrahigh vacuum. Experimentally, the production of these molecules with both irradiation time and incident electron energy in the range 400 to 500 eV is reported as a function of the depth of a buried D2O layer in an H2O film. H2 is produced consistently in all measurements, reflecting the H2O component of the film, though it does exhibit a modest reduction in intensity at the time corresponding to product escape from the buried D2O layer...
January 16, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28091620/role-of-molecular-conformations-in-rubrene-polycrystalline-films-growth-from-vacuum-deposition-at-various-substrate-temperatures
#17
Ku-Yen Lin, Yan-Jun Wang, Ko-Lun Chen, Ching-Yuan Ho, Chun-Chuen Yang, Ji-Lin Shen, Kuan-Cheng Chiu
We report on the optical and structural characterization of rubrene polycrystalline films fabricated from vacuum deposition with various substrate temperatures (Tsub). Depending on Tsub, the role of twisted and planar rubrene conformational isomers on the properties of rubrene films is focused. The temperature (T)-dependent inverse optical transmission (IOT) and photoluminescence (PL) spectra were performed on these rubrene films. The origins of these IOT and PL peaks are explained in terms of the features from twisted and planar rubrene molecules and of the band characteristics from rubrene molecular solid films...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28091573/iron-oxide-films-prepared-by-rapid-thermal-processing-for-solar-energy-conversion
#18
B Wickman, A Bastos Fanta, A Burrows, A Hellman, J B Wagner, B Iandolo
Hematite is a promising and extensively investigated material for various photoelectrochemical (PEC) processes for energy conversion and storage, in particular for oxidation reactions. Thermal treatments during synthesis of hematite are found to affect the performance of hematite electrodes considerably. Herein, we present hematite thin films fabricated via one-step oxidation of Fe by rapid thermal processing (RTP). In particular, we investigate the effect of oxidation temperature on the PEC properties of hematite...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28091562/unravelling-a-simple-method-for-the-low-temperature-synthesis-of-silicon-nanocrystals-and-monolithic-nanocrystalline-thin-films
#19
Ka-Hyun Kim, Erik V Johnson, Andrey G Kazanskii, Mark V Khenkin, Pere Roca I Cabarrocas
In this work, we present new results on the plasma processing and structure of hydrogenated polymorphous silicon (pm-Si:H) thin films. pm-Si:H thin films consist of a low volume fraction of silicon nanocrystals embedded in a silicon matrix with medium range order, and they possess this morphology as a significant contribution to their growth comes from the impact on the substrate of silicon clusters and nanocrystals synthesized in the plasma. Quadrupole mass spectrometry, ion flux measurements, and material characterization by transmission electron microscopy (TEM) and atomic force microscopy all provide insight on the contribution to the growth by silicon nanocrystals during PECVD deposition...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28091522/cr-incorporated-phase-transformation-in-y2o3-under-ion-irradiation
#20
N Li, S K Yadav, Y Xu, J A Aguiar, J K Baldwin, Y Q Wang, H M Luo, A Misra, B P Uberuaga
Under irradiation, chemical species can redistribute in ways not expected from equilibrium behavior. In oxide-dispersed ferritic alloys, the phenomenon of irradiation-induced Cr redistribution at the metal/oxide interfaces has drawn recent attention. Here, the thermal and irradiation stability of the FeCr/Y2O3 interface has been systematically studied. Trilayer thin films of 90 nm Fe - 20 at.% Cr (1(st) layer)/100 nm Y2O3 (2(nd) layer)/135 nm Fe - 20 at.% Cr (3(rd) layer) were deposited on MgO substrates at 500 °C...
January 16, 2017: Scientific Reports
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