bluuebunny/crossref_metadata_2025 huggingface dataset:
Ion creation, ion focusing, ion/molecule reactions, ion separation, and ion detection in the open air in a small plastic device
Authors: Baird Zane , Wei Pu , Cooks R. Graham
Published: November 2014

Ion manipulation in air is demonstrated with 3D printed plastic electrode assemblies. The ability to focus, react, separate, and detect ions under ambient conditions is shown.
Evaluation of three types of protein extraction methods for tetraploid black locust (Robinia pseudoacacia L.) phloem tissue proteome analysis by two-dimensional electrophoresis
Authors: Zhang Sheng , Zhang Ling-Ling , Zhou Kai-Kai , Liu Yu-Jing , Zhao Zhong
Published: November 2014

Sample preparation is a decisive step in a two-dimensional gel electrophoresis (2-DE) proteome approach and is essential for good experimental results.
Hyphenation of single-drop microextraction with laser-induced breakdown spectrometry for trace analysis in liquid samples: a viability study
Authors: Aguirre M. A. , Nikolova H. , Hidalgo M. , Canals A.
Published: November 2014

SDME-LIBS as a synergistic association for overcoming the drawbacks of LIBS in liquid analysis.
Determination of polycyclic aromatic hydrocarbons in water samples by hollow fiber extraction coupled with GC-MS
Authors: Guo Jun-Fang , Guo Qing-Zhong , Yan Guo-ping
Published: November 2014

An octadecyl silica hollow fiber (OSHF) was prepared by a template method. The characteristics of the OSHF were evaluated by scanning electron microscopy, elemental analysis and a pore size analyzer.
Microwave-assisted synthesis of resveratrol imprinted polymers with enhanced selectivity
Authors: Schwarz Lachlan J. , Potdar Mahesh K. , Danylec Basil , Boysen Reinhard I. , Hearn Milton T. W.
Published: November 2014

Achieving enhanced selectivity with microwave mediated synthesis of imprinted polymers.
Oxidative decomposition of Au25(SR)18 clusters in a catalytic context
Authors: Dreier Timothy A. , Andrea Wong O. , Ackerson Christopher J.
Published: November 2014

While investigating their potential as homogeneous catalysts, we have discovered that Au25(SR)18 clusters are not stable to conditions reported for styrene oxidation.
Combination of fluoroalkylation and Kornblum–DeLaMare reaction: a new strategy for the construction of (Z)-β-perfluoroalkyl enaminones
Authors: Liu Chunmei , Shi Erbo , Xu Feng , Luo Qiang , Wang Hongxiang , Chen Jijun , Wan Xiaobing
Published: November 2014

A novel strategy has been developed for the highly chemo- and stereo-selective synthesis of (Z)-β-perfluoroalkyl enaminones via a multicomponent radical reaction involving sequential fluoroalkylation and Kornblum–DeLaMare reaction.
Capture and Release (CaR): a simplified procedure for one-tube isolation and concentration of single-stranded DNA during SELEX
Authors: Hamedani Nasim Shahidi , Blümke Fabian , Tolle Fabian , Rohrbach Falk , Rühl Heiko , Oldenburg Johannes , Mayer Günter , Pötzsch Bernd , Müller Jens
Published: November 2014

Streptavidin-coated magnetic beads loaded with biotinylated oligodeoxynucleotides allow for convenient purification of ssDNA from asymmetric PCR mixtures.
Synthesis of enaminones and their difluoroboron complexes through domino aryl migration
Authors: Yang Zheng , Jiang Bo , Hao Wen-Juan , Zhou Peng , Tu Shu-Jiang , Li Guigen
Published: November 2014

Synthesis of enaminones and their difluoroboron complexes has been achieved by involving domino aryl migration.
A Tröger's base-derived microporous organic polymer: design and applications in CO2/H2 capture and hydrogenation of CO2 to formic acid
Authors: Yang Zhen-Zhen , Zhang Hongye , Yu Bo , Zhao Yanfei , Ji Guipeng , Liu Zhimin
Published: November 2014

Efficient CO2/H2 adsorption and subsequent hydrogenation of CO2 to HCOOH were realized adopting a Tröger's base-functionalized microporous organic polymer.
C6 picoloyl protection: a remote stereodirecting group for 2-deoxy-β-glycoside formation
Authors: Ruei Jyh-Herng , Venukumar Patteti , Ingle Arun B. , Mong Kwok-Kong Tony
Published: November 2014

Direct synthesis of β-2-deoxyglycosides by remote stereochemical control through the use of a picoloyl protecting function.
IMes-acac: hybrid combination of diaminocarbene and acetylacetonato sub-units into a new anionic ambidentate NHC ligand
Authors: César Vincent , Mallardo Valentina , Nano Adela , Dahm Georges , Lugan Noël , Lavigne Guy , Bellemin-Laponnaz Stéphane
Published: November 2014

A new anionic N-heterocyclic carbene composed of a diaminocarbene unit fused with an acetylacetonate backbone is described.
A transition-metal-free, one-pot procedure for the synthesis of α,β-epoxy ketones by oxidative coupling of alkenes and aldehydes via base catalysis
Authors: Ke Qingping , Zhang Bingyan , Hu Bolun , Jin Yangxin , Lu Guanzhong
Published: November 2014

A new strategy for the synthesis of epoxides is presented.
Transforming chitosan into N-doped graphitic carbon electrocatalysts
Authors: Wu T. X. , Wang G. Z. , Zhang X. , Chen C. , Zhang Y. X. , Zhao H. J.
Published: November 2014

Chitosan, the only alkaline polysaccharide in nature with rich nitrogen content, is used as the sole precursor to obtain N-doped graphitic carbon-based ORR electrocatalysts.
Metal(ii) complex based on 5-[4-(1H-imidazol-1-yl)phenyl]-2H-tetrazole: the effect of the ligand on the electrodes in a lead-acid battery
Authors: Gong Yun , Zhang Pan , Jiang Penggang , Lin Jianhua
Published: November 2014

The addition of 5-[4-(1H-imidazol-1-yl)-phenyl]-2H-tetrazole into a lead-acid battery can decrease the redox rates of two electrodes, which is probably due to the partial formation of Pb(ii) complex.
Charge transfer to solvent dynamics in iodide aqueous solution studied at ionization threshold
Authors: Kothe Alexander , Wilke Martin , Moguilevski Alexandre , Engel Nicholas , Winter Bernd , Kiyan Igor Yu. , Aziz Emad F.
Published: November 2014

The population of charge-transfer-to-solvent states in iodide aqueous solution can undergo via non-resonant multiphoton electronic excitation above the vacuum level.
Interaction between calf thymus DNA and cationic bottle-brush copolymers: equilibrium and stopped-flow kinetic studies
Authors: Dey Debabrata , Maiti Chiranjit , Maiti Souvik , Dhara Dibakar
Published: November 2014

Polyplex formation betweenctDNA and PEGylated cationic bottle-brush copolymers: PEG influences the DNA compaction behavior and the kinetics of polyplex formation.
XAS of tetrakis(phenyl)- and tetrakis(pentafluorophenyl)-porphyrin: an experimental and theoretical study
Authors: Nardi Marco Vittorio , Verucchi Roberto , Pasquali Luca , Giglia Angelo , Fronzoni Giovanna , Sambi Mauro , Mangione Giulia , Casarin Maurizio
Published: November 2014

NEXAFS outcomes and TD-DFT calculations pertaining to H2TPP and H2TPP(F) demonstrate the electronic inertness of b1u porphyrin macrocycle 1s → π* excitations. In fact, corresponding excitation energies, but not their oscillator strength values, are substantially unaffected upon fluorination of Ph rings.
A flexible insulator of a hollow SiO2 sphere and polyimide hybrid for flexible OLEDs
Authors: Kim Min Kyu , Kim Dong Won , Shin Dong Wook , Seo Sang Joon , Chung Ho Kyoon , Yoo Ji Beom
Published: November 2014

A hollow SiO2 sphere and polyimide hybrid with a low dielectric constant and high thermal stability is useful for flexible insulators.
1064 nm SERS of NIR active hollow gold nanotags
Authors: Kearns H. , Shand N. C. , Smith W. E. , Faulds K. , Graham D.
Published: November 2014

NIR active hollow gold nanotags have been developed to provide effective SERS when excited at 1064 nm.
Coverage dependent adsorption and co-adsorption of CO and H2 on the CdI2-antitype metallic Mo2C(001) surface
Authors: Wang Tao , Tian Xinxin , Yang Yong , Li Yong-Wang , Wang Jianguo , Beller Matthias , Jiao Haijun
Published: November 2014

The adsorption and co-adsorption of CO and H2 at different coverage on the CdI2-antitype metallic Mo2C(001) surface termination have been systematically computed at the level of periodic density functional theory.
Protein loading into porous CaCO3microspheres: adsorption equilibrium and bioactivity retention
Authors: Balabushevich N. G. , Lopez de Guerenu A. V. , Feoktistova N. A. , Volodkin D.
Published: November 2014

Here we focus on understanding protein interactions with mesoporous CaCO3microspheres (vaterite form), which are nowadays very actively used as decomposable templates for biomolecule encapsulation under mild conditions.
Zero thermal expansion in NaZn13-type La(Fe,Si)13 compounds
Authors: Wang Wei , Huang Rongjin , Li Wen , Tan Jie , Zhao Yuqiang , Li Shaopeng , Huang Chuanjun , Li Laifeng
Published: November 2014

The La(Fe,Si)13-based compounds were successfully modified into continuous zero thermal expansion (ZTE) materials by optimizing the chemical composition.
Adiabatic quantum computing with spin qubits hosted by molecules
Authors: Yamamoto Satoru , Nakazawa Shigeaki , Sugisaki Kenji , Sato Kazunobu , Toyota Kazuo , Shiomi Daisuke , Takui Takeji
Published: November 2014

Molecular spin QCs for adiabatic quantum computing: a phthalocyanine derivative with three electron qubits and a glutaconic acid radical with one electron bus qubit and two nuclear client qubits.
Hierarchical TiO2–SnO2–graphene aerogels for enhanced lithium storage
Authors: Han Sheng , Jiang Jianzhong , Huang Yanshan , Tang Yanping , Cao Jing , Wu Dongqing , Feng Xinliang
Published: November 2014

A TiO2–SnO2–graphene aerogel hybrid is fabricated using a facile hydrothermal route, which shows excellent cycling stability and rate performance as the anode material for lithium ion batteries.
Experimental evidence of dual emission in a negatively solvatochromic push–pull pyridinium derivative
Authors: Carlotti B. , Cesaretti A. , Fortuna C. G. , Spalletti A. , Elisei F.
Published: November 2014

Dual emission due to LE and ICT excited states was observed in a cationic push–pull system showing negative solvatochromism.
Chromium deposition and poisoning at La0.6Sr0.4Co0.2Fe0.8O3−δ oxygen electrodes of solid oxide electrolysis cells
Authors: Wei Bo , Chen Kongfa , Zhao Ling , Lü Zhe , Ping Jiang San
Published: November 2014

The presence of chromia-forming alloy metallic interconnect significantly poisons the electrocatalytic activity of LSCF oxygen electrodes of solid oxide electrolysis cells.
Future of nano-/hierarchical zeolites in catalysis: gaseous phase or liquid phase system
Authors: Yan Yueer , Guo Xiao , Zhang Yahong , Tang Yi
Published: November 2014

This perspective highlights the catalytic characteristics and future prospects of nano-/hierarchical zeolites in gaseous phase and liquid phase reactions.
Simple synthesis of neutral and cationic Cu-NHC complexes
Authors: Liu Bo , Ma Xueji , Wu Feifei , Chen Wanzhi
Published: November 2014

Simple synthesis of [(NHC)CuX] and [(NHC)2Cu]PF6 complexes with cheap copper powder in both organic solvent and water is described.
Environmentally friendly high-energy MOFs: crystal structures, thermostability, insensitivity and remarkable detonation performances
Authors: Liu Xiangyu , Gao Wenjuan , Sun Panpan , Su Zhiyong , Chen Sanping , Wei Qing , Xie Gang , Gao Shengli
Published: November 2014

Three environmentally friendly MOF-based HEDMs with high-nitrogen ligands present superior detonation properties, thermostability and insensitivity.
Morphology and characterization of Dematiaceous fungi on a cellulose paper substrate using synchrotron X-ray microtomography, scanning electron microscopy and confocal laser scanning microscopy in the context of cultural heritage
Authors: Szczepanowska H. M. , Jha D. , Mathia Th. G.
Published: November 2014

Dematiaceous (black pigmented) fungi interact with a cellular paper matrix growing on the surface and in paper bulk.
Droplet-based microfluidics at the femtolitre scale
Authors: Leman Marie , Abouakil Faris , Griffiths Andrew D. , Tabeling Patrick
Published: November 2014

Standard operations of droplet-based microfluidic were miniaturized down to the femtolitre scale. The level of control is maintained despite the three order of magnitude reduction in droplet volume.
Step-emulsification in a microfluidic device
Authors: Li Z. , Leshansky A. M. , Pismen L. M. , Tabeling P.
Published: November 2014

We present a comprehensive theoretical and experimental study of the microfluidic step-emulsification process for high-throughput production of monodisperse droplets.
Integrated perfusion and separation systems for entrainment of insulin secretion from islets of Langerhans
Authors: Yi Lian , Wang Xue , Dhumpa Raghuram , Schrell Adrian M. , Mukhitov Nikita , Roper Michael G.
Published: November 2014

A microfluidic system was developed to investigate the entrainment of insulin secretion from islets of Langerhans to oscillatory glucose levels.
Insights into the binding modes of CC chemokine receptor 4 (CCR4) inhibitors: a combined approach involving homology modelling, docking, and molecular dynamics simulation studies
Authors: Gadhe Changdev G. , Kim Mi-hyun
Published: November 2014

CC chemokine receptor 4 (CCR4), a G protein-coupled receptor (GPCR), plays a vital role in the progression of asthma, T-cell lymphoma, inflammation, and Alzheimer's disease.
An ultrastable porous metal–organic framework luminescent switch towards aromatic compounds
Authors: Yi Fei-Yan , Wang Ying , Li Jian-Ping , Wu Dai , Lan Ya-Qian , Sun Zhong-Ming
Published: November 2014

A porous highly stable MOF luminescent switch exhibits significant fluorescence enhancement and quenching responses for benzene and nitrobenzene vapors, respectively.
Halide-modulated bistate and tristate fluorescence switching for Cu(i) and Ag(i) complexes
Authors: Chou Chang-Chuan , Liu Hsueh-Ju , Chao Lucas Hung-Chieh , Yang Chia-Chi
Published: November 2014

Herein, a facile reversible tristate fluorescence switching system “LPh ↔ 1·ClO4 ↔ 2 or 3 ↔ LPh” for copper(i) complexes and a simple ON ↔ OFF bistate fluorescence switching “LPh ↔ 5·ClO4” for a silver(i) complex were presented.
Vacuum heat treated titanate nanotubes for visible-light photocatalysis
Authors: Sun Panpan , Wei Yongan , Wang Changhua , Zhang Xintong
Published: November 2014

Visible light-active TiO2(B)/anatase heterojunction nanotubes are prepared, which show better visible light photocatalytic activity than commercial Degussa P25.
Facile and large-scale fabrication of hierarchical ZnFe2O4/graphene hybrid films as advanced binder-free anodes for lithium-ion batteries
Authors: Wang Bo , Li Songmei , Li Bin , Liu Jianhua , Yu Mei
Published: November 2014

Hierarchical ZnFe2O4/graphene hybrid films are deposited on copper foils as a promising binder-free lithium-ion battery anode.
Artificially modified magnetic anisotropy in interconnected nanowire networks
Authors: Araujo Elsie , Encinas Armando , Velázquez-Galván Yenni , Martínez-Huerta Juan Manuel , Hamoir Gaël , Ferain Etienne , Piraux Luc
Published: November 2014

Track etched polycarbonate membranes produced using a double energetic heavy ion irradiation with fixed incidence angles as templates to fabricate crossed magnetic nanowire networks with tunable magnetic anisotropy and microwave absorption properties.
A robust synthesis of N-glycolyl muramyl dipeptide via azidonitration/reduction
Authors: Xing Shuo , Gleason James L.
Published: November 2014

Glycal etherification followed by azidonitration/reduction solves a difficult SN2 step in the synthesis of N-glycolyl muramyl dipeptide.
Synthesis, and QSAR analysis of anti-oncological active spiro-alkaloids
Authors: Girgis Adel S. , Panda Siva S. , Farag I. S. Ahmed , El-Shabiny A. M. , Moustafa A. M. , Ismail Nasser S. M. , Pillai Girinath G. , Panda Chandramukhi S. , Hall C. Dennis , Katritzky Alan R.
Published: November 2014

QSAR study describes the anti-neoplastic spiro-alkaloids with relevant molecular descriptors using CODESSA III software.
Fluorescent organic nanoparticles of dihydropyrimidone derivatives for selective recognition of iodide using a displacement assay: application of the sensors in water and biological fluids
Authors: Kaur Amanpreet , Raj Tilak , Kaur Simanpreet , Singh Narinder , Kaur Navneet
Published: November 2014

Fluorescent organic nanoparticles (FON's) derived from dihydropyrimidone derivatives (1–4) were developed and evaluated for their sensor properties.
Syntheses of arabinose-derived pyrrolidine catalysts and their applications in intramolecular Diels–Alder reactions
Authors: Shing Tony K. M. , Wu Kwun W. , Wu Ho T. , Xiao Qicai
Published: November 2014

Six hydroxylated pyrrolidine catalysts were synthesized from d-arabinose and applied to asymmetric intramolecular Diels–Alder reactions with concomitant desymmetrization.
Consecutive three-component synthesis of (hetero)arylated propargyl amides by chemoenzymatic aminolysis–Sonogashira coupling sequence
Authors: Hassan Sidra , Ullrich Anja , Müller Thomas J. J.
Published: November 2014

(Hetero)arylated propargyl amides are efficiently prepared by consecutive chemoenzymatic three-component synthesis based upon lipase catalyzed aminolysis followed by Sonogashira coupling.
Ultrafast RAFT polymerization: multiblock copolymers within minutes
Authors: Gody Guillaume , Barbey Raphael , Danial Maarten , Perrier Sébastien
Published: November 2014

A remarkably efficient and versatile procedure for the preparation of multiblock copolymers is presented.
Polyglycerol coated polypropylene surfaces for protein and bacteria resistance
Authors: Lukowiak Maike C. , Wettmarshausen Sascha , Hidde Gundula , Landsberger Petra , Boenke Viola , Rodenacker Karsten , Braun Ulrike , Friedrich Jörg F. , Gorbushina Anna A. , Haag Rainer
Published: November 2014

Polyglycerol coated polypropylene films were prepared in two steps by plasma bromination and grafting of polyglycerol. Films were characterized and their bioinertness against proteins and bacteria was investigated.
Ring-opening copolymerization of epoxides and anhydrides using manganese(iii) asymmetrical Schiff base complexes as catalysts
Authors: Liu Deng-Feng , Zhu Lu-Qun , Wu Jing , Wu Li-Ying , Lü Xing-Qiang
Published: November 2014

A series of [Mn(Ln)Cl] complexes 1–4 are obtained and shown to be effective catalysts in epoxide and anhydride ring-opening copolymerizations.
Hydrothermal synthesis and tribological properties of FeS2 (pyrite)/reduced graphene oxide heterojunction
Authors: Zhang Mingsuo , Chen Beibei , Tang Hua , Tang Guogang , Li Changsheng , Chen Lin , Zhang Hongmei , Zhang Qing
Published: November 2014

(a) TEM image of FeS2/RGO-C; (b) curves of friction reduction properties for (1) the paraffin oil, (2) oil with 7 wt% RGO, (3) oil with 7 wt% FeS2, (4) oil with 7 wt% FeS2/RGO-A, (5) oil with 7 wt% FeS2/RGO-B, (6) oil with 7 wt% FeS2/RGO-C.
Porphyrin-based electrostatically self-assembled multilayers as fluorescent probes for mercury(ii) ions: a study of the adsorption kinetics of metal ions on ultrathin films for sensing applications
Authors: Caselli Monica
Published: November 2014

ESAM as fluorescent probes for Hg(ii) ions were developed. The adsorption process involved in analyte-solid probe interaction was studied by monitoring fluorescence quenching.
A highly selective probe for UDP-glucuronosyltransferase 2B7 (UGT2B7) in human microsomes: isoform specificity, kinetic characterization, and applications
Authors: Tian Xiang-Ge , Wang Chao , Ge Guang-Bo , Ning Jing , Ai Chun-Zhi , Hong James Y. , Cai Yong-Xv , Huo Xiao-Kui , Hou Jie , Liu Ke-Xin , Sun Hong-Zhi , Ma Xiao-Chi
Published: November 2014

3-Epideacetycinobufagin (EDCB) was found to be a highly isoform-specific probe for 3-glucuronidation mediated by UDP-glucuronosyltransferase 2B7 (UGT2B7). The reaction was well-characterized, suggesting that EDCB can be used to measure the catalytic activity of UGT2B7.
Efficient green-red piezofluorochromism of bisanthracene-modified dibenzofulvene
Authors: Zhang Guo-Feng , Aldred Matthew P. , Chen Ze-Qiang , Chen Tao , Meng Xianggao , Zhu Ming-Qiang
Published: November 2014

The bisanthracene modified dibenzofulvene exhibits efficient piezofluorochromic property with the fluorescence reversibly altered between green and red.
Direct growth of molybdenum disulfide on arbitrary insulating surfaces by chemical vapor deposition
Authors: Wang Jiao , Chen Linfeng , Lu Wenjing , Zeng Mengqi , Tan Lifang , Ren Feng , Jiang Changzhong , Fu Lei
Published: November 2014

Direct growth of large area, uniform and patternable few-layer molybdenum disulfide is achieved on arbitrary insulating substrates by CVD.
Synthesis, crystal structures, and spectral properties of double N-alkylated dimethine cyanine dyes and their interactions with biomolecules and living cells
Authors: Jia Hongliang , Lv Ying , Wang Shu , Sun Dan , Wang Lanying
Published: November 2014

A series of new doubleN-alkylated dimethine cyanine dyes were synthesized, and their crystal structures and spectral properties, as well as their interaction with biomolecules and living cells, were investigated.
Degradation of 2,4-dichlorophenol in wastewater by low temperature plasma coupled with TiO2 photocatalysis
Authors: Li Shanping , Ma Xiaolong , Liu Lijun , Cao Xiaohong
Published: November 2014

The degradation pathway of 2,4-DCP was deduced by reference to similar studies of other scholars and mass spectrometry analysis.
Ionic liquid directed assembly of wrinkled and porous composite electrode for high-power flexible supercapacitors
Authors: Kong Lirong , Chen Wei.
Published: November 2014

By using carbon nanotube/ionic liquid as surfactant-like agent, flexible reduced graphene oxide/polyaniline composite electrode membranes with wrinkled and porous structure were fabricated for high performance supercapacitors.
CDI ragone plot as a functional tool to evaluate desalination performance in capacitive deionization
Authors: Kim Taeyoung , Yoon Jeyong
Published: November 2014

A novel concept to evaluate desalination performance in capacitive deionization (CDI) is proposed called the CDI Ragone plot.
Synthesis of photoluminescent carbon dots for the detection of cobalt ions
Authors: Li Chi-Lin , Huang Chih-Ching , Periasamy Arun Prakash , Roy Prathik , Wu Wei-Cheng , Hsu Chia-Lun , Chang Huan-Tsung
Published: November 2014

Photoluminescent carbon dots (C-dots) were prepared from l-cysteine through a simple hydrothermal process and used for selective detection of cobalt ions (Co2+), based on analyte induced aggregation and photoluminescence quenching of C-dots.
Optical temperature sensing properties of Yb3+–Er3+ co-doped NaLnTiO4 (Ln = Gd, Y) up-conversion phosphors
Authors: He Dong , Guo Chongfeng , Jiang Sha , Zhang Niumiao , Duan Changkui , Yin Min , Li Ting
Published: November 2014

Temperature dependence of the green UC luminescence spectra of NaYTiO4: 0.14Yb3+, 0.05Er3+ under 980 nm excitation (the spectra are normalized to the most intense emission peak at 551 nm) and temperature-dependent sensitivity for the present sample.
A new high sensitivity Na2LiPO4:Eu OSL phosphor
Authors: Sahare P. D. , Singh Manveer , Kumar Pratik
Published: November 2014

A new high sensitivity Na2LiPO4:Eu optically stimulated luminescence dosimeter (OSLD) material was prepared by a simple solid-state diffusion method.
Luminescent CdTe quantum dots incarcerated in a columnar matrix of discotic liquid crystals for optoelectronic applications
Authors: Kumar Manish , Kumar Sandeep
Published: November 2014

The effects of highly luminescent alkylamine-capped semiconductor cadmium telluride quantum dots (CdTe QDs) dispersion on the optical, electrical, thermal properties and supramolecular order of a discotic liquid crystal were studied.
Effective adsorption of cationic dyes by lignin sulfonate polymer based on simple emulsion polymerization: isotherm and kinetic studies
Authors: Tang Yufang , Hu Tao , Zeng Yongde , Zhou Qiang , Peng Yongzhen
Published: November 2014

This study describes the synthesis of a lignin sulfonate polymer based on a simple emulsion polymerization from lignin sulfonates derived from the accessible by-products of paper pulp and the adsorption properties of the lignin sulfonate polymer towards dyes.
Molecularly imprinted polymer nanoparticles for olanzapine recognition: application for solid phase extraction and sustained release
Authors: Farzaneh Sina , Asadi Ebadullah , Abdouss Majid , Barghi-Lish Azam , Azodi-Deilami Saman , Khonakdar Hossein Ali , Gharghabi Mehdi
Published: November 2014

The aim of this study was to prepare efficient imprinted polymer nanoparticles from an olanzapine template for the controlled release of olanzapine as a therapeutic drug for CNS diseases.
The exchangeable self-assembly behaviour of bis-pseudorotaxanes with metallo-bisviologens (CH3PyTpyFeTpyPyCH34+) and crown ether (Tpy = 2,2′:6′,2′′-terpyridine)
Authors: Wu Tun , Guo Yuan , Yuan Jie , Jiang Zhilong , Liu Die , Wang Pingshan
Published: November 2014

Two different terpyridine chelated Fe2+ complexes which contain two methyl-pyridinium salts could be self-assembled with dibenzo-24-crown-8 ether to generate exchangeable double metallo-pseudorotaxanes.
Different interactions between a metal electrode and an organic layer and their different electrical bistability performances
Authors: Ma Yong , Gu Pei-Yang , Zhou Feng , Dong Hui-Long , Li You-Yong , Xu Qing-Feng , Lu Jian-Mei , Ma Wan-Li
Published: November 2014

Different electrical bistability performances were obtained by tuning metal electrodes.
Hybrid cholesterol-based nanocarriers containing phosphorescent Ir complexes: in vitro imaging on glioblastoma cell line
Authors: Naddaka Maria , Locatelli Erica , Colecchia David , Sambri Letizia , Monaco Ilaria , Baschieri Andrea , Sasdelli Federica , Chiariello Mario , Matteucci Elia , Zani Paolo , Franchini Mauro Comes
Published: November 2014

Recently the use of phosphorescent heavy-metal complexes in bioimaging techniques has been a promising research field and has been attracted increasing interest.
Fluorescence resonance energy transfer between ZnO/MgO/carboxymethyl-β-cyclodextrin and Nile Red in HeLa cells – biosensing applications
Authors: Sikora B. , Fronc K. , Kamińska I. , Koper K. , Chwastyk M. , Stępień P. , Paszkowicz W. , Wojciechowski T. , Sobczak K. , Elbaum D.
Published: November 2014

Fluorescence resonance energy transfer nanocomplexes inside HeLa cells.
Sol–gel nanocasting synthesis of kesterite Cu2ZnSnS4 nanorods
Authors: Wang Jing , Zhang Peng , Song Xuefeng , Gao Lian
Published: November 2014

CZTS nanorods with a kesterite structure and a diameter of 6.8 nm were successfully synthesized using a nanocasting route. A sol–gel process is proposed for the impregnation and crystallization of the quaternary compound during nanocasting synthesis.
Highly active thiol-functionalized SBA-15 supported palladium catalyst for Sonogashira and Suzuki–Miyaura cross-coupling reactions
Authors: Sarkar Shaheen M. , Rahman Md. Lutfor , Yusoff Mashitah Mohd
Published: November 2014

SBA-15 supported heterogeneous Pd-catalyst was prepared and applied towards Sonogashira and Suzuki–Miyaura cross-coupling reactions of activated and inactivated aryl halides to give the corresponding coupling products in up to 98% yield.
Improved electrode durability using a boron-doped diamond catalyst support for proton exchange membrane fuel cells
Authors: Kim Jungdo , Chun Yoon-Soo , Lee Seung-Koo , Lim Dae-Soon
Published: November 2014

BDD was produced by an electrostatic self-assembly (ESA) method. We investigated the improvement of durability by performing tests under real PEMFC operating conditions and observing changes in the support material morphology.
Structural hysteresis in dragline spider silks induced by supercontraction: an X-ray fiber micro-diffraction study
Authors: Sampath Sujatha , Yarger Jeffery. L.
Published: November 2014

Interaction with water causes shrinkage and significant changes in the structure of spider dragline silks, which has been referred to as supercontraction in the literature.
Biotemplated synthesis of hierarchically nanostructured TiO2 using cellulose and its applications in photocatalysis
Authors: Chen Tianrui , Wang Yu , Wang Yun , Xu Yan
Published: November 2014

Hierarchically nanostructured TiO2 has been hydrothermally synthesized using cellulose as a biotemplate involving various types of acids.
Temperature-dependent self-assembly of NiO/Co3O4composites for supercapacitor electrodes with good cycling performance: from nanoparticles to nanorod arrays
Authors: Wang Kuaibing , Zhang Zhiyang , Shi Xiaobo , Wang Hongju , Lu Yanan , Ma Xiaoyan
Published: November 2014

Temperature-dependent and uniform NiO/Co3O4composites have been presented, which show high specific capacitances and good cycling performances even at high current densities.
Photoinduced single-crystal-to-single-crystal phase transition and photosalient effect of a gold(i) isocyanide complex with shortening of intermolecular aurophilic bonds
Authors: Seki Tomohiro , Sakurada Kenta , Muromoto Mai , Ito Hajime
Published: November 2014

We report the first photoinduced single-crystal-to-single-crystal phase transition of a gold complex that involves shortening of intermolecular aurophilic bonds. The gold(i) isocyanide complex also shows a photosalient effect.
From monomers to self-assembled monolayers: the evolution of molecular mobility with structural confinements
Authors: Dhotel Alexandre , Chen Ziguang , Sun Jianing , Youssef Boulos , Saiter Jean-Marc , Schönhals Andreas , Tan Li , Delbreilh Laurent
Published: November 2014

The effect of structural constriction on molecular mobility is investigated by broadband dielectric spectroscopy (BDS) within three types of molecular arrangements: monomers, oligomers and self-assembled monolayers (SAMs).
Modulation of phase behaviors and charge carrier mobilities by linkage length in discotic liquid crystal dimers
Authors: Wang Yi-Fei , Zhang Chun-Xiu , Wu Hao , Zhang Ao , Wang Jian-Chuang , Zhang Shuai-Feng , Pu Jia-Ling
Published: November 2014

A clear structure–property relationship was revealed in a series of triphenylene-based dimers, in which linkage length played an important role in the modulation of phase behaviors and charge carrier mobilities in discotic dimers.
Comment on “Stable phase domains of the TiO2–Ti3O5–Ti2O3–TiO–Ti(CxOy)–TiC system examined experimentally and via first principles calculations” by J. Kim and S. Kang, J. Mater. Chem. A, 2014, 2, 2641
Authors: Pistorius P. C. , Fatollahi-Fard F.
Published: November 2014

The free energy of mixing in the Ti(O,C) shows negative deviation from ideality. A recent paper, Journal of Materials Chemistry A, 2014, 2, 2641, erroneously shows a large positive deviation from ideality.
Highly crystalline Fe2GeS4 nanocrystals: green synthesis and their structural and optical characterization
Authors: Park Bo-In , Yu Seunggun , Hwang Yoonjung , Cho So-Hye , Lee Jae-Seung , Park Cheolmin , Lee Doh-Kwon , Lee Seung Yong
Published: November 2014

Highly crystalline Fe2GeS4 nanocrystals were synthesized via a facile, solvent-free mechanochemical process. The post-annealed Fe2GeS4 nanocrystals showed an absorption edge at 1.43 eV and a PL emission at 1.41 eV.
Simultaneous formation of silica-protected and N-doped TiO2 hollow spheres using organic–inorganic silica as self-removed templates
Authors: Li Lei , Zhou Shiqi , Chen Erjian , Qiao Ru , Zhong Yijun , Zhang Yong , Li Zhengquan
Published: November 2014

Uniform silica-protected and N-doped TiO2 hollow spheres are facilely prepared using inorganic–organic silica as self-removed templates.
High open-circuit voltage small-molecule p-DTS(FBTTh2)2:ICBA bulk heterojunction solar cells – morphology, excited-state dynamics, and photovoltaic performance
Authors: Ko Kyaw Aung Ko , Gehrig Dominik , Zhang Jie , Huang Ye , Bazan Guillermo C. , Laquai Frédéric , Nguyen Thuc-Quyen
Published: November 2014

A high VOC of 1V is achieved in the bulk heterojunction solar cell using the solution-processed small molecule donor p-DTS(FBTTh2)2 and indene-C60 bis-adduct acceptor.
Strategies for improving the cyclability and thermo-stability of LiMn2O4-based batteries at elevated temperatures
Authors: Xu Gaojie , Liu Zhihong , Zhang Chuanjian , Cui Guanglei , Chen Liquan
Published: November 2014

The progress in understanding and modifying LiMn2O4-based batteries from various aspects are systematically and comprehensively summarized in this review.
Engineered mussel bioglue as a functional osteoinductive binder for grafting of bone substitute particles to accelerate in vivo bone regeneration
Authors: Choi Bong-Hyuk , Cheong Hogyun , Ahn Jin-Soo , Zhou Cong , Kwon Jong Jin , Cha Hyung Joon , Jun Sang Ho
Published: November 2014

Engineered mussel bioglue is a promising functional binder for acceleration of bone substitute-assisted bone regeneration with enhanced osteoconductivity and osteoinductivity.
Designing compartmentalized hydrogel microparticles for cell encapsulation and scalable 3D cell culture
Authors: Lu Yen-Chun , Song Wei , An Duo , Kim Beum Jun , Schwartz Robert , Wu Mingming , Ma Minglin
Published: November 2014

Compartmentalized hydrogel microparticles with high production rate, uniform size and shape, and tunable ECM support were developed for various scalable 3D cell culture applications.
Efficient 8-oxyquinolinato emitters based on a 9,10-dihydro-9,10-diboraanthracene scaffold for applications in optoelectronic devices
Authors: Durka Krzysztof , Głowacki Ireneusz , Luliński Sergiusz , Łuszczyńska Beata , Smętek Jaromir , Szczepanik Paweł , Serwatowski Janusz , Wawrzyniak Urszula E. , Wesela-Bauman Grzegorz , Witkowska Ewelina , Wiosna-Sałyga Gabriela , Woźniak Krzysztof
Published: November 2014

The diboraanthracene bis(oxyquinolinato) complexes were employed for the construction of efficient green OLEDs.
Promising high-k dielectric permittivity of pyrochlore-type crystals of Nd2Hf2O7
Authors: Chun J. , Reuvekamp P. G. , Chen D. , Lin C. , Kremer R. K.
Published: November 2014

We report on the properties of a Nd2Hf2O7 single crystal which is a promising high-k gate dielectric due to its high permittivity and band gap.
Experimental realisation of micromachined terahertz electromagnetic crystal (EMXT) waveguide bandpass filter
Authors: Lu Hongda , Lv Xin , Si Liming , Wu Yuming , Liu Yong
Published: November 2014

A terahertz (THz) micromachined waveguide bandpass filter based on metallic two‐dimensional (2D) electromagnetic crystal (EMXT) with a square lattice is proposed. The filter structure with three dual‐mode circular cavities and two rectangular waveguides is obtained by removing and optimising the EMXT unit cells in a 15 × 20 cells array. This filter, fed by WR2.2 waveguides, is fabricated with the silicon microelectromechanical systems technique and measured using a vector network analyser (VNA) with an extender. The measured fractional bandwidth is 7.6% with a 426.5 GHz centre frequency. The best insertion loss and return loss are 2 and 24 dB, respectively. These results agree well with the simulations. The proposed THz EMXT filter indicates a novel approach to obtain THz waveguide passive devices and has application potential in THz communication and detection.
Unified electrical and thermal energy expansion planning with considering network reconfiguration
Authors: Abbasi Ali Reza , Seifi Ali Reza
Published: November 2014

Simultaneous expansion of the electrical and thermal energies collected with conventional expansion options is scrutinised. A robust, bio‐inspired evolutionary optimisation method is proposed, to handle the complex expansion planning of a system consisting of both electrical and thermal forms of energy. Rewiring, network reconfiguration, installation of new lines and also new electrical and thermal generation units are considered as the traditional alternatives in expansion planning. To solve the problem, overall generation requirements of a network are assigned along the planning horizon. The allocation problem is formulated as a mixed‐integer non‐linear programming problem that minimises the overall system cost owing to generation capacity among the grid nodes and the newly added or upgraded lines. The performance of the original shuffled frog leaping (SFL) optimisation algorithm is advanced to overcome the complexity of the proposed expansion planning problem. Two modification steps were added to the original SFL technique to enable the proposed modified SFL algorithm to extricate from local minima. The two modification phases pledge a fast convergence rate by achieving a rapid adaptive algorithm, besides a better diversification which is the key to extricate from local minima. The efficacy and robustness of the proposed methodology are verified by applying the method to two modified standard test systems.
Effects of wind speed probabilistic and possibilistic uncertainties on generation system adequacy
Authors: Sun Can , Bie Zhaohong , Xie Min , Ning Guangtao
Published: November 2014

A random fuzzy model is proposed to express the probabilistic and possibilistic uncertainties of wind speed simultaneously. In this model, wind speed is represented by a random variable following Weibull distribution, indicating the probabilistic uncertainty. The Weibull distribution parameters of wind speed are fuzzy numbers, meaning the possibilistic uncertainty of wind speed. For estimating distribution parameters, a multi‐objective optimisation problem is developed based on cumulative probability and probability distributions of wind speed. The proposed model is then combined with traditional generation system adequacy (GSA) evaluation method to investigate the effect of wind speed uncertainties on GSA. To overcome the difficulty in calculating fuzzy GSA indices, sparse grid is utilised to select collocation points and single‐index regression is employed to fit the relationship between adequacy indices and wind speed parameters. This study illustrates the effectiveness of the model from its application to IEEE Modified Reliability Test System. Compared with previous researches, the proposed model is suitable for the case of incomplete data or containing some outliers. It provides more helpful interval information on wind speed and adequacy indices.
State observer based sensor less control using Lyapunov's method for boost converters
Authors: Cho Hyunki , Yoo Sung Jin , Kwak Sangshin
Published: November 2014

This study proposes a state observer based sensorless controller using the Lyapunov's direct method for boost converters. The proposed controller derived from the Lyapunov method considers a large‐signal model and the non‐linearity of the boost converter, which allows accurate output tracking performance and stability. In addition, a state observer is constructed to estimate the inductor current using an output voltage, an input voltage and a switch control signal. The developed observer enables the proposed controller to be realised with no current sensor for the inductor current, and results in a low cost as well as reliable system free from the noise problem associated with the sensor. The non‐linear controller incorporated into the observer is designed with appropriate observer gains determined by linear matrix inequalities. Experimental results are presented to verify the stable operation and output tracking capability for large‐signal transients of the proposed sensorless controller based on the Lyapunov method.
Target scene frequency diversity exploitation with ultra‐wideband orthogonal frequency division multiplexing radar
Authors: Garmatyuk Dmitriy , Jameson Brian , Cole Robert , Morton Yu Tong , Mudaliar Saba
Published: November 2014

This paper concerns experimental investigation of the frequency‐domain approach to target scene sensing using ultra‐wideband orthogonal frequency division multiplexing software‐defined radar. Individual spectral components of the radar signal (sub‐carriers) are analysed with the aim of performing their adaptive selection and establishing similarity of the observed response to the previously collected responses of various target scenes. By performing this analysis, the authors are effectively utilising frequency diversity of targets for detection purposes. A low‐power, short‐range radar system built at Miami University is used to apply this approach to target detection with generalised‐likelihood ratio test (GLRT) and frequency profile matching (FPM). Experimental results indicate good promise of FPM, which performed equally to, or outperformed GLRT in all scenarios. Results of correct detection and false alarm rates are shown and discussed, along with theoretical descriptions of the detection approaches.
Physical emission of spatially‐modulated radar
Authors: Blunt Shannon D. , McCormick Patrick , Higgins Thomas , Rangaswamy Muralidhar
Published: November 2014

Leveraging the recent development of a physical implementation of arbitrary polyphase codes as spectrally well‐contained waveforms, the notion of spatial modulation is developed whereby a time‐varying beampattern is incorporated into the physical emission of an individual pulse. This subset of the broad category of MIMO radar is inspired by the operation of fixational eye movement within the human eye to enhance visual acuity and also subsumes the notion of the frequency‐diverse array for application to pulsed radar. From this spatial modulation framework, some specific emission examples are evaluated in terms of resolution and sidelobe levels for the delay and angle domains. The impact of spatial modulation upon spectral content is also considered and possible joint delay‐angle emission design criteria are suggested. Simulation results of selected target arrangements demonstrate the promise of enhanced discrimination and the basis for the development of future cognitive radar capabilities that may mimic salient aspects of the visual cortex.
Blind source separation with the generalised estimation of multipath signals algorithm
Authors: Fabrizio Giuseppe , Farina Alfonso
Published: November 2014

Blind source separation (BSS) techniques have traditionally been applied in wireless communication systems to separate signals of interest from multiple sources or users in the absence of training data. Such techniques have received comparatively little attention to date in the context of radar systems, and this is mainly because the signal needed for matched filtering (coherent processing) is known a priori. In practice, active and passive radar systems are required to operate in a congested spectrum where an effective interference mitigation capability is critical to successful operation. This study considers the application of the generalised estimation of multipath signals (GEMS) algorithm for BSS to estimate interference waveforms present in the same frequency channel as the signal of interest (SOI). Interference components at the receiving node(s) of the system are reconstructed using these estimates, with site‐dependent complex‐scales, time‐delays and Doppler‐shifts to account for multipath effects, and then subtracted from the data in the time domain. A practical demonstration of the proposed method is illustrated using real data from an experimental high frequency radar system that receives a mixture of frequency‐modulated and amplitude‐modulated continuous waveforms.
Multi‐window time–frequency signature reconstruction from undersampled continuous‐wave radar measurements for fall detection
Authors: Jokanovic Branka , Amin Moeness G. , Zhang Yimin D. , Ahmad Fauzia
Published: November 2014

Fall detection is an area of increasing interest in independence‐assisting remote monitoring technologies for the elderly population. Immediate assistance following a fall can lower the risk of medical complications, thus saving lives and reducing the associated health care costs. Therefore it is important to detect a fall as it happens and promptly mobilise first responders for proper care and attendance to possible injury. Radar offers privacy and non‐intrusive monitoring capabilities. Micro‐Doppler signatures are typically employed for radar‐based human motion detections and classifications. Proper time–frequency signal representation is, therefore, required from which important features can be extracted. Missing or noise/interference corrupted data can compromise the integrity of micro‐Doppler signatures and subsequently confuse the classifier. In this study, the authors restore the time–frequency signatures associated with human motor activities, such as falling, bending over, sitting and standing, by using a hybrid approach of compressive sensing and multi‐window analysis based on Slepian or Hermite functions. Because time–frequency representations of many human gross‐motor activities are sparse and share common support in joint‐variable domains, the multiple measurement vector approach can be effectively applied for fall classification in both cases of full data or compressed observations.
Compact and closely spaced tunable printed F‐slot multiple‐input–multiple‐output antenna system for portable wireless applications with efficient diversity
Authors: Elfergani Issa T.E. , Hussaini Abubakar Sadiq , Rodriguez Jonathan , Abd‐Alhameed Raed A. , See Chan H. , Jan Naeem , Zhu Sharon , McEwan Neil J.
Published: November 2014

In this work, miniaturised tunable two‐antenna multiple‐input–multiple‐output (MIMO) systems composed of printed F‐slot shaped are developed to operate in the global positioning system (GPS), personal communication system (PCS), distributed control system and Universal Mobile Telecommunications System bands. The two‐element MIMO antenna occupies a volume of 50 × 37.5 × 1.6 mm3, and is printed on an FR4 substrate. Initially, the frequency tunability of the MIMO antennas was verified by lumped capacitors with values between 0.75 to 2.75 pF to achieve a tuning range from 1.55 to 2.07 GHz while the low mutual coupling between the radiators was accomplished by adding an I‐shaped branch to a cut‐away ground plane. The two antennas are then loaded with varactors to simultaneously achieve miniaturisation and tunability. Simulation and measurement results demonstrate the successful implementation of a tunable MIMO with coupling reduction mechanism for a portable handheld wireless transceiver. The channel capacity of the proposed antenna is investigated and found to be close to that of a un‐correlated system with efficient diversity in which the mutual coupling across the full bandwidth was better than −13 dB. Owing to the compact size and ease of manufacture, the proposed antennas can be a promising solution for adaptive MIMO systems in handheld devices.
Influence of squirrel cage geometry on the synchronisation of the line start permanent magnet synchronous motor
Authors: Jedryczka Cezary , Wojciechowski Rafal Marek , Demenko Andrzej
Published: November 2014

This study deals with the impact of squirrel cage design on the synchronisation of the line start permanent magnet synchronous motor (LSPMSM). The numerical model of the machine is based on the finite element method. Special attention is paid to the analysis of the synchronisation process during the start‐up process for high inertia loads. The results for two different designs of squirrel cage are presented and discussed. The strategy for the optimisation of the cage shape of the LSPMSM has been proposed and validated by numerical examples.
Numerical calculation of circulating current losses in stator transposition bar of large hydro‐generator
Authors: Liang Yanping , Bian Xu , Yang Lichao , Wu Lei
Published: November 2014

To reduce circulating current losses in stator strands of hydro‐generator, strand transposition is widely used in stator bars. At present, the traditional analytical method for calculating circulating current losses cannot accurately simulate the distribution of leakage magnetic field, which will bring a large deviation to the calculation result and not benefit the winding design. The numerical calculation method for circulating current losses in stator bar is presented in this study, by which the leakage magnetic field distribution of stator transposition bar can be described in detail through establishing three‐dimensional actual transposition model. The 0°/360°/0° transposition bar in a 180 MW hydro‐generator is taken as an example and the circulating current losses in stator bar strands are calculated. The causes of errors in traditional analytical method are discussed through the comparison of the leakage magnetic field distribution obtained by numerical calculation method and traditional analytical method.