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ZnO film deposition by DC magnetron sputtering: Effect of target configuration on the film properties
E Arakelova, A Khachatryan, A Kteyan, K Avjyan… - Thin Solid Films, 2016 Ballistic transport model for target-to-substrate atom transfer during magnetron sputter deposition was used to develop zinc target (cathode) configuration that enabled growth of uniform zinc...
Heterogeneous photooxidation of sulfur dioxide in the presence of airborne mineral dust particles
J Park, M Jang - RSC Advances, 2016 The photocatalytic effect of Arizona Test Dust (ATD) particles on SO2 oxidation was investigated in both the absence and the presence of atmospheric oxidants (e.g., NOx and O3) under varying relative humidity (RH) using a 2 m3...
High-power 2.04 μm laser in an ultra-compact Ho-doped lead germanate fiber
PW Kuan, X Fan, X Li, D Li, K Li, L Zhang, C Yu, L Hu - Optics Letters, 2016 A highly Ho-doped single-mode lead germanate glass fiber is developed for compact ∼2 μm lasers. Over 600 mW of laser output operating at 2.04 μm is demonstrated in a 2 cm-long active fiber....
Influence of doping behavior of Al on nanostructure, morphology and optoelectronic properties of Al Doped ZnO thin film grown on FTO substrate
M Shirazi, RS Dariani, MR Toroghinejad - Journal of Materials Science Al doped ZnO nanostructures deposited on FTO glass substrate by spray pyrolysis method with different Al doping levels (0–5 wt%). The structural, morphological, optical and electrical properties of...
High dynamic range emission measurements of shocked energetic materials: Octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX)
WP Bassett, DD Dlott - Journal of Applied Physics, 2016 A new emission apparatus with high time resolution and high dynamic range was used to study shock-induced ignition of octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine in the form of ultrafine powder (4 ± 3 μm...
Evolutionary divergence of phytochrome protein function in Zea mays PIF3 signaling
I Kumar, K Swaminathan, K Hudson, ME Hudson - Journal of experimental botany, 2016 Two maize phytochrome-interacting factor (PIF) basic helix-loop-helix (bHLH) family members, ZmPIF3.1 and ZmPIF3.2, were identified, cloned and expressed in vitro to investigate...
Variation of outdoor illumination as a function of solar elevation and light pollution
M Spitschan, GK Aguirre, DH Brainard, AM Sweeney - Scientific Reports, 2016 The illumination of the environment undergoes both intensity and spectral changes during the 24 h cycle of a day. Daylight spectral power distributions are well described by low-dimensional...
Classification of red wine based on its protected designation of origin (PDO) using Laser-induced Breakdown Spectroscopy (LIBS)
S Moncayo, JD Rosales, R Izquierdo-Hornillos… - Talanta, 2016 This work reports on a simple and fast classification procedure for the quality control of red wines with protected designation of origin (PDO) by means of Laser Induced Breakdown Spectroscopy (LIBS)...
Spectral damage model for lighted museum paintings: Oil, acrylic and gouache
SM Pinilla, D Vázquez, AÁ Fernández-Balbuena… - Journal of Cultural Heritage, 2016 A spectral aging test was developed to estimate the photochemical damage of oil, acrylic and gouache paints exposed to permanent lighting. The paints were irradiated at seven different...
Investigation of upconversion luminescence in Yb3+/Tm3+/Ho3+ triply doped antimony-germanate glass and double-clad optical fiber
J Zmojda, M Kochanowicz, P Miluski, GC Righini… - Optical Materials, 2016 The optical properties of novel antimony-germanate glass and optical fiber co-doped with Yb3+/Tm3+/Ho3+ ions were presented. White light luminescence in glass was observed as a result of energy...
Inactivation of Asterionellopsis glacialis in seawater using combinations of deep ultraviolet light emitting diodes
M Rantalankila, H Koivistoinen, L Sarvasidze… - Separation and Purification …, 2016 Deep ultraviolet light emitting diodes (LED) were studied in water disinfection using Asterionellopsis glacialis as a model microorganism. Ultraviolet treatment reactors were...
Water Properties of Soft Contact Lenses: A Comparative Near-Infrared Study of Two Hydrogel Materials
J Munćan, I Mileusnić, J Šakota Rosić… - International Journal of …, 2016 The functionality of soft contact lenses depends strongly on the water content and their water-transport ability. This study was conducted in order to examine the state of water in two sets of...
MEASUREMENT OF NITRATE-NITROGEN CONCENTRATION IN SOIL BASED ON ABSORPTION SPECTROSCOPY
MJ Preiner, NC Koshnick, JS White, JP Strachan - US Patent 20,160,146,728, 2016 The nitrate-nitrogen concentration in soil is estimated based on the nitrate-nitrogen 200 nm absorption peak. In one embodiment, a device measures the attenuation spectrum of a...
Optical fiber sensor for low dose gamma irradiation monitoring
AI de Andrés, Ó Esteban, M Embid - Sixth European Workshop on Optical Fibre …, 2016 An optical fiber gamma ray detector is presented in this work. It is based on a Terbium doped Gadolinium Oxysulfide (Gd2O2S:Tb) scintillating powder which cover a chemically etched...
Formation mechanism of toxic-element-free oxide layer on Ti–6Al–4V alloy in d.c. glow discharge plasma with pure oxygen gas
K Satoh, S Sato, K Wagatsuma - Surface and Coatings Technology, 2016 The purpose of this study is to elucidate the formation mechanism of a toxic-element-free oxide layer on a Ti–6Al–4V alloy by using d.c. glow discharge plasma in pure oxygen atmosphere, which has...
Mixing effects on light exposure in a large-lake epilimnion: A preliminary dual-dye study
EC Minor, JA Austin, L Sun, L Gauer, RC Zimmerman… - Limnology and …, 2016 Light plays a critically important role in driving photo- and biogeochemistry of aquatic systems, and our ability to measure and model submarine light fields is fairly sophisticated. However,...
Fluorescence confocal microscopy as effective testing method of polypropylene fibers and single polymer composites
P Poszwa, K Kędzierski, B Barszcz, AB Nowicka - Polymer Testing, 2016 Single polymer composites are special type of composite made solely of one polymer. They are characterized by promising mechanical properties but the manufacturing process is very difficult to scale...
Structure characterization of the non-crystalline complexes of copper salts with native cyclodextrins
M Velasco, C Krapacher, R de Rossi, LI Rossi - Dalton Transactions, 2016 The characterization of non-crystalline complexes is particularly difficult when techniques like X-ray diffraction or NMR cannot be used. We propose a simple procedure to characterize the...
In-situ grown molybdenum sulfide on TiO2 for dye-sensitized solar photocatalytic hydrogen generation
G Malekshoar, AK Ray - Chemical Engineering Science, 2016 Molybdenum sulfide was loaded on TiO2 by an in-situ solar photo-deposition method over a dye synthesized photocatalytic process using Eosin Y (EY) as a photo-sensitizer and tri-ethanolamine (TEOA) as an...
Using ultraviolet-C (UV-C) irradiation on greenhouse ornamental plants for growth regulation
MP Bridgen - VIII International Symposium on Light in Horticulture Plants use sunlight for photosynthesis and are exposed to ultraviolet (UV) radiation that is present in sunlight. UV radiation is divided into 3 classes: UV-A, UV-B, and UV-C. The Ultraviolet-C (UV-C)...
Iron Nanoparticles Embedded in Carbon Films: Structural and Optical properties
F Mashayekhi, A Shafiekhani, SA Sebt ... Fe target C2H2 gas inlet Page 5. 5 Kα (1486.6 eV) X-ray source. In the case of optical properties investigation StellarNet EPP- 2000 UV-visible spectrometer was applied. On the other hand, the refractive index of films was...
Cryogenic Ho:CaF2 laser pumped by Tm:fiber laser
M Jelínek, V Kubeček, W Ma, B Zhao, D Jiang, L Su - Laser Physics Letters, 2016 The laser operation in the pulsed as well as continuous-wave regime of a modified-Bridgeman-grown 0.5 at.% Ho:CaF2 crystal at 83 K pumped by a Tm:fiber laser is reported. The maximum...
Removal of carbamazepine in aqueous solutions through solar photolysis of free available chlorine
B Yang, RS Kookana, M Williams, J Du, H Doan… - Water Research, 2016 Removal of a persistent antiepileptic drug carbamazepine (CBZ) in aqueous solutions was investigated by using solar photolysis combined with free available chlorine (FAC). The combination of...
Structural Heterogeneity in the Localized Excited States of Poly(3-hexylthiophene)
Wenjian Yu, Timothy J. Magnanelli, Jiawang Zhou, and Arthur E. Bragg Department of Chemistry, Johns Hopkins University, 3400 N. Charles St., Baltimore, Maryland 21218, United States Transient hole-burning and resonantly enhanced Raman spectroscopies are used to probe...
The effect of radiation of LED modules on the growth of dill (Anethum graveolens L.)
B Frąszczak, M Gąsecka, A Golcz… - Open Life Sciences, 2016 Light quality is thought to affect the growth and development of plants. We examined how light influences the growth and content of some chemical compounds in dill (Anethum graveolens L.). The plants were...
Effect of flow conditions on burn rates of metal particles
S Wang, S Mohan, EL Dreizin - Combustion and Flame, 2016 Micron-sized aluminum and titanium powder particles were carried by an air flow into a focal point of a CO2 laser beam, where they were ignited. The ignited particles continued to burn in room temperature air....
Design and Fabrication of Ceramic Microsystem Utilizing Glow Discharge for Analysis of Liquid Mixtures
J Macioszczyk, M Lenartowicz, K Malecha, LJ Golonka - Additional Papers and …, 2016 We present the results of our work on design and fabrication of Low Temperature Co-fired Ceramics (LTCC) Electrolyte as a Cathode Discharge (ELCAD) chip. It consists of plasma chamber...
On-line monitoring of gamma irradiated perfluorinated polymer optical fiber
Dan Sporea ; Laura Mihai ; Daniel Neguţ ; Pavol Stajanca ; Katerina Krebber In this paper, we present the first results regarding the on-line monitoring of gamma-ray exposure effects on a commercial multi-mode perfluorinated polymer optical fiber (PF-POF), type...
Characterization of holmium fibers with various concentrations for fiber laser applications around 2.1 μm
J Aubrecht, P Peterka, P Honzatko, Y Baravets… - SPIE Photonics Europe, 2016 In this work, we present experimental results of characterization of the developed holmium-doped silica-based optical fibers with holmium ions concentrations in the range from 1000 to 10000...
In Situ Reductive Synthesis of Structural Supported Gold Nanorods in Porous Silicon Particles for Multifunctional Nanovectors
G Zhu, JT Liu, Y Wang, D Zhang, Y Guo, E Tasciotti… - ACS Applied Materials & Interfaces, 2016 Porous silicon nanodisks (PSD) were fabricated by the combination of photolithography and electrochemical etching of silicon. By using PSD as a reducing agent, gold...
Repurposing Synechocystis PCC6803 UirS-UirR as a UV-violet/green photoreversible transcriptional regulatory tool in E. coli
P Ramakrishnan, JJ Tabor - ACS Synthetic Biology, 2016 We have previously engineered green/red and red/far red photoreversible E. coli phytochrome and cyanobacteriochrome (CBCR) two component systems (TCSs) and utilized them to program tailor-made gene expression...
Thermo-Optical Properties of Amino Acid Modified ZnO-PVA Colloidal Suspension Under CW Laser Illumination
Y Tamgadge, V Pahurkar, A Sunatkari, S Talwatkar… - Macromolecular Symposia, 2016 In this paper, we present synthesis of amino acids (l-arginine and l-alanine) assisted surface modification of ZnO nanoparticles (NPs) using chemical precipitation method. Study...
Applications of Near-Infrared Systems for Quality Evaluation of Fruits: A Review
Published by the American Society of Agricultural and Biological Engineers- L Xie, A Wang, H Xu, X Fu, Y Ying - 2016 Near-infrared (NIR) spectroscopy has been studied for over 100 years and has proven to be one of the most efficient technologies for determining the...
Hierarchical TiO2 nanofibres as photocatalyst for CO2 reduction: Influence of morphology and phase composition on catalytic activity
P Reñones, A Moya, F Fresno, L Collado, JJ Vilatela In this research work, the gas phase CO2 photocatalytic reduction using water as electron donor has been performed using hierarchical assemblies of mesoporous TiO2 1-D nanofibres synthesised by a combination of...
Nanoporous Gold Membranes as Robust Constructs for Selectively Tunable Chemical Transport
DA McCurry, RC Bailey - The Journal of Physical Chemistry C, 2016 Nanopores are promising structures for small volume separations, but often require complex top-down fabrication and are not easily (re)configurable to allow for dynamically tuned separations. Herein we...
Spectral dependence of photoinduced optical effects in As 40 S 60-x Se x thin films
I Voynarovych, J Buzek, K Palka, M Vlcek - Thin Solid Films, 2016 Spectral dependence of photoinduced structural transformation and related changes ofEgopt, α and n of thermally evaporated ternary As40S60-xSex thin films have been studied under the exposure to bandgap...
Spectral and amplitude–time characteristics of radiation of plasma of a repetitively pulsed discharge initiated by runaway electrons
MI Lomaev, DV Beloplotov, DA Sorokin, VF Tarasenko - Optics and Spectroscopy, 2016 Spectral and amplitude–time characteristics of radiation of plasma of a repetitively pulsed discharge initiated by runaway electrons were studied experimentally in nitrogen. Intense...
Stabilising survival selection on pre‐senescent expression of a sexual ornament followed by a terminal decline
MJP Simons, M Briga, S Verhulst - Journal of Evolutionary Biology, 2016 Senescence is a decrease in functional capacity, increasing mortality rate with age. Sexual signals indicate functional capacity, because costs of ornamentation ensure signal honesty, and are...
Modes of Ignition of Powder Layers of Nanocomposite Thermites by Electrostatic Discharge
I Monk, M Schoenitz, EL Dreizin - Journal of Energetic Materials, 2016 Nanocomposite powders with aluminum as a fuel and oxides of molybdenum, copper, bismuth, and iron as oxidizers were prepared by arrested reactive milling. The powders were placed in 0.5-mm-thick...
Warning signal properties covary with toxicity but not testosterone or aggregate carotenoids in a poison frog
L Crothers, RA Saporito, J Yeager, K Lynch, C Friesen… - Evolutionary Ecology Aposematic (warning) coloration is a highly conspicuous trait that is found throughout the animal kingdom. In several aposematic species, warning signals have been co-opted for use in...