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Investigations of Parachute Fabric Permeability Under An Unsteady Pressure Differential

Nichole C. Rondeau、John Fitek、Kenneth Desabrais 等 6 位作者2013-03-23OpenAlex

A series of different experimental techniques were applied to quantify the effects both steady and unsteady pressure differential across a fabric had on the flow through the fabric. Static permeability measurements were made on four common nylon parachute fabrics over a range of fix pressure differentials to provide a…

Mechanical Behavior of CompositesTextile materials and evaluationsMaterial Properties and Processing

A novel low‐voltage tunable capacitor for tunable RF circuit applications

Young Chul Lee、Baek Ju Lee、Kyung Hyun Ko2013-03-23Microwave and Optical Technology Letters

Abstract In this article, a novel architecture of the tunable capacitor is proposed for low‐voltage applications. In order to reduce operation voltage by enhancing fringing electric fields, two finger‐patterned electrodes with zero spacing are vertically separated by employing a multilayer thin‐film dielectric of a pa…

Ferroelectric and Piezoelectric MaterialsMicrowave Engineering and WaveguidesAcoustic Wave Resonator Technologies

Analyses of the general rule on residue pair frequencies in local amino acid sequences of soluble, ordered proteins

Matsuyuki Shirota、Kengo Kinoshita2013-03-23Protein Science

The amino acid sequences of soluble, ordered proteins with stable structures have evolved due to biological and physical requirements, thus distinguishing them from random sequences. Previous analyses have focused on extracting the features that frequently appear in protein substructures, such as α-helix and β-sheet,…

Protein Structure and DynamicsEnzyme Structure and FunctionMachine Learning in Bioinformatics

Ultra‐wideband bandpass filter using simplified dual composite right/left‐handed transmission line structure

Cheng Wang、Yongrong Shi、Sheng Liu 等 4 位作者2013-03-23Microwave and Optical Technology Letters

Abstract A simplified dual composite right/left‐handed (SD‐CRLH) transmission line (TL) structure is proposed and analyzed in this article.The SD‐CRLH TL with only capacitor in series is a left‐handed (LH) highpass filter, while the SD‐CRLH TL with only inductor in series is a right‐handed (RH) lowpass filter. By comb…

Antenna Design and AnalysisMetamaterials and Metasurfaces ApplicationsMicrowave Engineering and Waveguides

Polyurethane Nanofibers Obtained By Electrospinning Process

Hale Karakaş、A. Sezai̇ Saraç、T. Polat 等 7 位作者2013-03-23Zenodo (CERN European Organization for Nuclear Research)

Electrospinning is a broadly used technology to obtain polymeric nanofibers ranging from several micrometers down to several hundred nanometers for a wide range of applications. It offers unique capabilities to produce nanofibers with controllable porous structure. With smaller pores and higher surface area than regul…

Conducting polymers and applicationsElectrospun Nanofibers in Biomedical ApplicationsPolymer composites and self-healing

Superconductivity from repulsive electronic correlations on alternant cuprate and iron-based lattices

Lawrence J. Dunne、Erkki Brändas2013-03-23International Journal of Quantum Chemistry

A key question in the theory of high-temperature superconductivity is whether off-diagonal long-range order can be induced wholly or in large part by repulsive electronic correlations. Electron pairs on cuprate and the iron-based pnictide and chalcogenide alternant lattices may interact with a strong short-range Coulo…

Physics of Superconductivity and MagnetismRare-earth and actinide compoundsIron-based superconductors research

Ensemble‐based characterization of unbound and bound states on protein energy landscape

Anatoly M. Ruvinsky、Tatsiana Kirys、Alexander V. Tuzikov 等 4 位作者2013-03-23Protein Science

Physicochemical description of numerous cell processes is fundamentally based on the energy landscapes of protein molecules involved. Although the whole energy landscape is difficult to reconstruct, increased attention to particular targets has provided enough structures for mapping functionally important subspaces as…

Protein Structure and DynamicsEnzyme Structure and FunctionSpectroscopy and Quantum Chemical Studies

Viscoelastic behavior of multiwalled carbon nanotubes into phenolic resin

Edson Cocchieri Botelho、Michelle Leali Costa、Carlos Isidoro Braga 等 5 位作者2013-03-23Materials Research

Nanostructured polymer composites have opened up new perspectives for multi-functional materials. In particular, carbon nanotubes (CNTs) have the potential applications in order to improve mechanical and electrical performance in composites with aerospace application. This study focuses on the viscoelastic evaluation…

Carbon Nanotubes in CompositesPolymer crystallization and propertiesPolymer Nanocomposites and Properties

Nucleant layer effect on nanocolumnar ZnO films grown by electrodeposition

Maria D Reyes Tolosa、L. C. Damonte、Hicham Brine 等 5 位作者2013-03-23Nanoscale Research Letters

Different ZnO nanostructured films were electrochemically grown, using an aqueous solution based on ZnCl2, on three types of transparent conductive oxides grow on commercial ITO (In2O3:Sn)-covered glass substrates: (1) ZnO prepared by spin coating, (2) ZnO prepared by direct current magnetron sputtering, and (3) comme…

ZnO doping and propertiesGas Sensing Nanomaterials and SensorsCopper-based nanomaterials and applications

Compact dual‐bandstop filter based on composite right/left handed transmission line

Tao Pan、Kaijun Song、Yong Fan2013-03-23Microwave and Optical Technology Letters

Abstract This letter presents a novel compact dual‐bandstop filter based on composite right/left handed transmission line (CRLH‐TL) resonator. By tuning the length of the shunted stubs in the CRLH‐TL resonator, each of the two stopbands can be controlled independently. The resonant properties of CRLH‐TL resonators are…

Antenna Design and AnalysisMetamaterials and Metasurfaces ApplicationsMicrowave Engineering and Waveguides

An isotropy dual‐band terahertz metamaterial

Biao Li、Lianxing He、Yingzeng Yin 等 5 位作者2013-03-23Microwave and Optical Technology Letters

Abstract An isotropy terahertz (THz) metamaterial for dual‐band operation is designed and fabricated. The proposed metamaterial is composed of periodically arranged double metallic rings, and negative permittivity is obtained in 298–388 GHz and 652–780 GHz bands. Transmission and reflection characteristics of the prop…

Antenna Design and AnalysisMetamaterials and Metasurfaces ApplicationsAdvanced Antenna and Metasurface Technologies

Implementation of a Mesomechanical Material Model for IAD Fabrics within LS-DYNA

Jeremy L. Hill、Robert D. Braun2013-03-23OpenAlex

The implementation and evaluation of a high fidelity material model for dry fabrics is the main objective of this paper. Inflatable Aerodynamic Decelerators (IADs) and other airinflated structures quite often utilize woven fabrics due to their lightweight and high loading carrying capabilities. Design optimization of…

Textile materials and evaluationsStructural Analysis and OptimizationStructural Analysis of Composite Materials

Inactivation of the panE Gene in Lactococcus lactis Enhances Formation of Cheese Aroma Compounds

Luz P. Gómez de Cadiñanos、Tomás García‐Cayuela、Mireille Yvon 等 6 位作者2013-03-23Applied and Environmental Microbiology

Hydroxyacid dehydrogenases limit the conversion of α-keto acids into aroma compounds. Here we report that inactivation of the panE gene, encoding the α-hydroxyacid dehydrogenase activity in Lactococcus lactis, enhanced the formation of 3-methylbutanal and 3-methylbutanol. L. lactis IFPL953ΔpanE was an efficient strain…

Microbial Metabolic Engineering and BioproductionEnzyme Structure and FunctionAmino Acid Enzymes and Metabolism

Thermodynamic investigations in the precursor region of FeGe

L. Cevey、H. Wilhelm、Marcus Schmidt 等 4 位作者2013-03-23Max Planck Digital Library

High-resolution DC magnetization and AC-specific-heat data of the cubic helimagnet FeGe have been measured as function of temperature and magnetic field. The magnetization data as well as the isothermal susceptibility data confirm the complexity of the magnetic phase diagram in the vicinity of the onset of long-range…

Magnetic properties of thin filmsMagnetic and transport properties of perovskites and related materialsMagnetic Properties and Applications

A fluorescent peptoid pH‐sensor

Amelia A. Fuller、Courtney A. Holmes、Frederick J. Seidl2013-03-23Biopolymers

Peptoids, N-substituted glycine oligomers, can adopt stable three-dimensional structures and have found diverse application as peptide surrogates and as nanomaterials. In this report, we have expanded peptoid function to include pH sensing by coupling pH-induced peptoid conformational changes with fluorescence intensi…

Advanced biosensing and bioanalysis techniquesChemical Synthesis and AnalysisPhotochromic and Fluorescence Chemistry

Transport properties of the mung bean ( Vigna radiata ) non‐aerial hypocotyl membrane: permselectivity to hydrophilic compounds

John Aponte、Peter Baur2013-03-23Pest Management Science

BACKGROUND: Aerial plant surfaces are covered by a lipophilic cuticular membrane (CM) that restricts the transport of water and small solutes. Non-aerial tissues do not exhibit such a barrier. Recent data have shown that large relative to CM hydrophilic agrochemicals were able to pass at high rates through the non-aer…

Surface Modification and SuperhydrophobicityAdvancements in Transdermal Drug DeliveryPlant Surface Properties and Treatments

Physical properties and enzyme susceptibility of rice and high‐amylose maize starch mixtures

Fan Zhu、Sunan Wang、Ya‐Jane Wang2013-03-23Journal of the Science of Food and Agriculture

BACKGROUND: Resistant starch has promising health benefits and possesses great potential as a functional ingredient in diverse food formulation and production. Here, 10-50% high-amylose maize starch with 70% amylose content (H7) representing type 2 resistant starch was incorporated into three types of rice starch with…

Food composition and propertiesNanocomposite Films for Food PackagingPolysaccharides Composition and Applications

A Comparative Evaluation of Factors Influencing Osteoinductivity Among Scaffolds Designed for Bone Regeneration

Erin L. Hsu、Jason H. Ghodasra、Amruta Ashtekar 等 7 位作者2013-03-23Tissue Engineering Part A

Due to differing compositions, synthetic scaffolds developed for bone regeneration vary widely in efficacy. To quantify the impact of such differences on osteoinductivity, numerous parameters were examined. Absorbable collagen sponge (ACS), three ceramic-based carriers (#1-3) of varying compositions, mineralized allog…

Bone Tissue Engineering MaterialsPeriodontal Regeneration and TreatmentsSilk-based biomaterials and applications

Graphene oxide from silk cocoon: a novel magnetic fluorophore for multi-photon imaging

Manas Roy、Tejas Sanjeev Kusurkar、Sandeep Kumar Maurya 等 11 位作者2013-03-233 Biotech

In this work, we synthesized graphene oxide from silk cocoon embarking its new dimension as a magnetic fluorophore when compared with its present technical status, which at best is for extracting silk as a biomaterial for tissue engineering applications. We produced graphene oxide by pyrolysing the silk cocoon in an i…

Graphene research and applicationsCarbon and Quantum Dots ApplicationsGraphene and Nanomaterials Applications

Hydrogen-Bonding and the Dissolution Mechanism of Uracil in an Acetate Ionic Liquid: New Insights from NMR Spectroscopy and Quantum Chemical Calculations

João M. M. Araújo、Ana B. Pereiro、José N. Canongia Lopes 等 5 位作者2013-03-23The Journal of Physical Chemistry B

The dissolution of uracil-a pyrimidine nucleic acid base-in the ionic liquid 1-ethyl-3-methylimidazolium acetate ([C2mim][CH3COO]) has been investigated by methods of (1)H and (13)C NMR spectroscopy, (1)H-(1)H NOESY NMR spectroscopy, and quantum chemical calculations. The uracil-[C2mim][CH3COO] interactions that defin…

Ionic liquids properties and applicationsCrystallization and Solubility StudiesChemical and Physical Properties in Aqueous Solutions