bluuebunny/crossref_metadata_2025 huggingface dataset:
Screen printed passive components for flexible power electronics
Authors: Ostfeld Aminy E. , Deckman Igal , Gaikwad Abhinav M. , Lochner Claire M. , Arias Ana C.
Published: October 2015

Additive and low-temperature printing processes enable the integration of diverse electronic devices, both power-supplying and power-consuming, on flexible substrates at low cost. Production of a complete electronic system from these devices, however, often requires power electronics to convert between the various operating voltages of the devices. Passive components—inductors, capacitors and resistors—perform functions such as filtering, short-term energy storage and voltage measurement, which are vital in power electronics and many other applications. In this paper, we present screen-printed inductors, capacitors, resistors and an RLC circuit on flexible plastic substrates and report on the design process for minimization of inductor series resistance that enables their use in power electronics. Printed inductors and resistors are then incorporated into a step-up voltage regulator circuit. Organic light-emitting diodes and a flexible lithium ion battery are fabricated and the voltage regulator is used to power the diodes from the battery, demonstrating the potential of printed passive components to replace conventional surface-mount components in a DC-DC converter application.
Halogen mediated voltammetric oxidation of biological thiols and disulfides
Authors: Valero-Ruiz Edelmira , González-Sánchez María I. , Batchelor-McAuley Christopher , Compton Richard G.
Published: October 2015

The use of halides as inorganic mediators for the electrochemical oxidation of organosulfur readily allows discrimination between thiols and disulfides on the basis of the differing reactivity of iodine and bromine.
1,8-Naphthyridine-based fluorescent receptors for picric acid detection in aqueous media
Authors: Chahal Mandeep K. , Sankar Muniappan
Published: October 2015

Naphthyridinic fluorescent receptors (1and2) were utilized for the selective detection of picric acid (PA) in aqueous media and are able to detect ∼1 ppm of PAviaa fluorescent ‘turn off’ mode.
A novel ternary system for the determination of ascorbic acid concentration based on resonance Rayleigh scattering
Authors: Li Qin , Zhang Zhan , Yao Wenyan , Li Jin , Yang Jidong
Published: October 2015

The dienol of ascorbic acid was observed to have a strong reducing power in a 1.44 M HCl buffer solution, and could reduce Fe3+ to Fe2+.
A rigid lanthanide binding tag to aid NMR studies of a 70 kDa homodimeric coat protein of human norovirus
Authors: Mallagaray Alvaro , Domínguez Gema , Peters Thomas , Pérez-Castells Javier
Published: October 2015

Lanthanide tags binding to 70 kDa viral coat norovirus protein: a strategy that may aid in obtaining a backbone assignment.
Kinase phosphorylation monitoring with i-motif DNA cross-linked SERS probes
Authors: Ren Wen , Damayanti Nur P. , Wang Xiaolei , Irudayaraj Joseph M. K.
Published: October 2015

An ultrasensitive technique based on SERS and peptide sensors is proposed for dynamic monitoring of phosphorylation. The developed sensor has the potential to detect phosphorylation in live cells.
A boron difluoride dye showing the aggregation-induced emission feature and high sensitivity to intra- and extra-cellular pH changes
Authors: Wu Dan , Shao Li , Li Yang , Hu Qinglian , Huang Feihe , Yu Guocan , Tang Guping
Published: October 2015

A novel AIE-active boron difluoride fluorescent probe P3T was designed and synthesized. P3T exhibited high sensitivity to intra- and extra-cellular pH changes. Furthermore, a Förster resonance energy transfer (FRET) system was constructed.
A water-soluble metal–organic complex array as a multinuclear heterometallic peptide amphiphile that shows unconventional anion dependency in its self-assembly
Authors: Sukul Pradip K. , Bose Purnandhu , Takei Toshiaki , Yaghi Omar M. , He Ying , Lee Myongsoo , Tashiro Kentaro
Published: November 2015

Water-soluble metal–organic complex array1, bearing Ru(ii), Pt(ii) and Rh(iii) complexes at the side residues of the short peptide, exhibits anion and pH-responsive self-assembling behaviours in aqueous media.
Convenient crystal growth, structural determination and magnetic studies of layered copper hydroxides containing aromatic sulfonates
Authors: Fujita Wataru
Published: October 2015

Single crystals of layered copper hydroxides containing some organic sulfonate anions were obtained by hydrolysis of acetate. Crystal structure determination and magnetic measurements of these materials were carried out.
Direct propanol synthesis from CO2, C2H4, and H2 over Cs–Au/TiO2 rutile: effect of promoter loading, temperature and feed composition
Authors: Ahlers S. J. , Pohl M.-M. , Holena M. , Linke D. , Kondratenko E. V.
Published: October 2015

Combining catalytic and characterisation studies with statistical data analysis for elucidating factors determining CO2 conversion to propanol with H2 and C2H4.
Synthesis and cation distribution in the new bismuth oxyhalides with the Sillén–Aurivillius intergrowth structures
Authors: Charkin Dmitri O. , Akinfiev Victor S. , Alekseeva Anastasia M. , Batuk Maria , Abakumov Artem M. , Kazakov Sergey M.
Published: October 2015

Extensive synthetic and structural exploration of a new family of Sillen–Aurivillius intergrowth bismuth oxyhalides reveals clear size preferences for the alkaline earth cations and suggest a new stability criterion for complex intergrowth structures.
An investigation on the chemistry of the R2PP ligand: reactions of a phosphanylphosphinidene complex of tungsten(vi) with electrophilic reagents
Authors: Grubba Rafał , Ordyszewska Anna , Ponikiewski Łukasz , Gudat Dietrich , Pikies Jerzy
Published: October 2015

The nucleophilic properties of the title compound [(2,6-i-Pr2C6H3N)2(Cl)W(η2-t-Bu2PP)]Li·3DME (1) were investigated in reactions with selected electrophilic reagents such as MeI, M(CO)5THF (M = Cr, Mo, W), AlCl3, and GaCl3.
Structural phase transition in a multi-induced mononuclear FeII spin-crossover complex
Authors: Zhu Yuan-Yuan , Liu Chang-Wei , Yin Ji , Meng Zhao-Sha , Yang Qian , Wang Junhu , Liu Tao , Gao Song
Published: October 2015

One mononuclear FeII complex displays a structural phase transition and a multi-induced spin-crossover behavior mediated by heat, light, pressure and solvent.
Direct solvothermal preparation of nanostructured fluoride aerogels based on AlF3
Authors: Štefančič Aleš , Primc Darinka , Tavčar Gašper , Skapin Tomaž
Published: October 2015

Fluoride aerogels, a new class of inorganic aerogels, are obtained by supercritical drying of fluoride sol/gels in MeOH-containing media.
A generalized adsorption-phase transition model to describe adsorption rates in flexible metal organic framework RPM3-Zn
Authors: Lueking Angela D. , Wang Cheng-Yu , Sircar Sarmishtha , Malencia Christopher , Wang Hao , Li Jing
Published: October 2015

The rate of adsorption to a flexible metal-organic framework is described via generalization of the Avrami theory of phase transition kinetics.
Rhenium tetrazolato complexes coordinated to thioalkyl-functionalised phenanthroline ligands: synthesis, photophysical characterisation, and incubation in live HeLa cells
Authors: Werrett Melissa V. , Wright Phillip J. , Simpson Peter V. , Raiteri Paolo , Skelton Brian W. , Stagni Stefano , Buckley Alysia G. , Rigby Paul J. , Massi Massimiliano
Published: October 2015

Thioalkyl-functionalised Re(I) tetrazolato complexes highlight good accumulation and lack of photobleaching in live He-La cells.
Reaction of an allylstannylene with adamantyl phosphaalkyne
Authors: Krebs K. M. , Jamin J. , Wesemann L.
Published: October 2015

The reaction of a terphenyl tin(ii) compound bearing an η3 coordinating allyl ligand with adamantyl phosphaalkyne is reported.
Highly stable noble metal nanoparticles dispersible in biocompatible solvents: synthesis of cationic phosphonium gold nanoparticles in water and DMSO
Authors: Ju-Nam Yon , Abdussalam-Mohammed Wanisa , Ojeda Jesus J.
Published: October 2015

In this work, we report the synthesis of novel cationic phosphonium gold nanoparticles dispersible in water and dimethyl sulfoxide (DMSO) for their potential use in biomedical applications. All the cationic-functionalising ligands currently reported in the literature are ammonium-based species. Here, the synthesis and characterisation of an alternative system, based on phosphonioalkylthiosulfate zwitterions and phosphonioalkylthioacetate were carried out. We have also demonstrated that our phosphonioalkylthiosulfate zwitterions readily disproportionate into phosphonioalkylthiolates in situ during the synthesis of gold nanoparticles produced by the borohydride reduction of gold(iii) salts. The synthesis of the cationic gold nanoparticles using these phosphonium ligands was carried out in water and DMSO. UV-visible spectroscopic and TEM studies have shown that the phosphonioalkylthiolates bind to the surface of gold nanoparticles which are typically around 10 nm in diameter. The resulting cationic-functionalised gold nanoparticles are dispersible in aqueous media and in DMSO, which is the only organic solvent approved by the U.S. Food and Drug Administration (FDA) for drug carrier tests. This indicates their potential future use in biological applications. This work shows the synthesis of a new family of phosphonium-based ligands, which behave as cationic masked thiolate ligands in the functionalisation of gold nanoparticles. These highly stable colloidal cationic phosphonium gold nanoparticles dispersed in water and DMSO can offer a great opportunity for the design of novel biorecognition and drug delivery systems.
Hibiscus sabdariffa polyphenols prevent palmitate-induced renal epithelial mesenchymal transition by alleviating dipeptidyl peptidase-4-mediated insulin resistance
Authors: Huang Chien-Ning , Wang Chau-Jong , Yang Yi-Sun , Lin Chih-Li , Peng Chiung-Huei
Published: October 2015

Diabetic nephropathy has a significant socioeconomic impact, but its mechanism is unclear and needs to be examined.
Isomorphic metal malonates with N-aminoguanidine: MCo2O4(M = Ni & Zn) nanoparticle synthesis via a (AmgH)2[M1/3Co2/3(mal)2(H2O)2] precursor solid solution
Authors: Selvakumar Rajendran , Geib Steven J. , Premkumar Thathan , Vairam Sundararajan , Govindarajan Subbiah
Published: October 2015

Divalent metal complexes of malonate with aminoguanidine and their solid solutions are prepared. The solid solutions are used as precursors for nanosized spinel oxides.
Cyanide-bridged heterobimetallic magnetic complexes based on metalloporphyrinate and tricyanometalate building blocks
Authors: Gao Feng , Zhu Guang-Zhou , Yang Liu , Yao Min-Xia
Published: October 2015

Three novel cyanide-bridged metalloporphyrinate complexes were synthesized and characterized, and their magnetic properties have also been systematically investigated.
Surface bioengineering of diatomite based nanovectors for efficient intracellular uptake and drug delivery
Authors: Terracciano Monica , Shahbazi Mohammad-Ali , Correia Alexandra , Rea Ilaria , Lamberti Annalisa , De Stefano Luca , Santos Hélder A.
Published: November 2015

Diatomite is a natural porous silica material of sedimentary origin.
Plasmonic fluorescent CdSe/Cu2S hybrid nanocrystals for multichannel imaging and cancer directed photo-thermal therapy
Authors: Sheikh Mohamed M. , Poulose Aby Cheruvathoor , Veeranarayanan Srivani , Romero Aburto Rebecca , Mitcham Trevor , Suzuki Yuko , Sakamoto Yasushi , Ajayan Pulickel M. , Bouchard Richard R. , Yoshida Yasuhiko , Maekawa Toru , Sakthi Kumar D.
Published: November 2015

The applications of CdSe/Cu2S hybrid nanocrystals in multimodal bioimaging and photo-thermal therapy.
Readily prepared inclusion forming chiral calixsalens
Authors: Janiak Agnieszka , Petryk Małgorzata , Barbour Leonard J. , Kwit Marcin
Published: November 2015

Chiral, rigid vase-like calixsalens show unprecedented substituent-driven self-association and provide supermolecules of contrasting character.
Novel nanocomposite hydrogel for wound dressing and other medical applications
Authors: Hebeish Ali , Sharaf S.
Published: October 2015

Graft copolymerization of DADMAC with a MBA crosslinking agent was achieved on water soluble carboxymethyl cellulose with an APS initiator. A CuO nanocomposite hydrogel was formed in situ on cotton. The synthesis of Ag/CMC-DADMAC hydrogel nanocomposites was also studied.
Antimicrobial and sustainable food packaging based on poly(butylene adipate-co-terephthalate) and electrospun chitosan nanofibers
Authors: Díez-Pascual Ana M. , Díez-Vicente Angel L.
Published: October 2015

PBAT/CS-NF bionanocomposites show an optimal combination of flexibility, strength, barrier, migration, and antibacterial properties, therefore are suitable for food packaging applications.
Facile synthesis of multifunctional La1−xSrxMnO3@Au core–shell nanoparticles for biomedical applications
Authors: Liu Xiao , Liu Hong-Ling , Fang Ning , Li Xue-Mei , Guo Wei-Hua , Wu Jun-Hua , Zhao Mei-Xia
Published: October 2015

Multifunctional high-performance La1−xSrxMnO3@Au core–shell nanoparticles were synthesized by nanoemulsion with polymers, showing sharp Curie transition, excellent amphiphilic dispersibility and optical properties as well as biocompatibility.
Triple helical collagen-like peptide interactions with selected polyphenolic compounds
Authors: Plonska-Brzezinska M. E. , Bobrowska D. M. , Sharma A. , Rodziewicz P. , Tomczyk M. , Czyrko J. , Brzezinski K.
Published: October 2015

Because collagen is the most abundant component of connective tissue, it is an excellent biomaterial in numerous medical applications.
Microwave-assisted expeditious and efficient synthesis of novel quinolin-4-ylmethoxychromen-2- and -4-ones catalyzed by YbCl3under a solvent free one-pot three component domino reaction and their antimicrobial activity
Authors: Kumar Sumit , Patel Alok , Ahmed Naseem
Published: October 2015

MW assisted multicomponent A3synthesis was developed for the synthesis of quinolin-4-ylmethoxychromen-2- and -4-ones in high yields with YbCl3and reused efficiently for four times.
Solvent-free 1H-tetrazole, 1,2,5,6-tetrahydronicotinonitrile and pyrazole synthesis using quinoline based ionic fluoride salts (QuFs): thermal and theoretical studies
Authors: Iqbal Nafees , Hashim Jamshed , Ali Syed Abid , Mariya al-Rashida Mariya al-Rashida , Alharthy Rima D. , Ahmad Shakeel , Khan Khalid Mohammed , Basha Fatima Zahra , Moin Syed Tarique , Hameed Abdul
Published: October 2015

The role of ionic liquids as catalyst and solvent to mediate organic reactions is well documented.
Solvation thermodynamics: two formulations and some misunderstandings
Authors: Sordo José Ángel
Published: October 2015

The relations between conventional and Ben-Naim's formulations of solvation thermodynamics are derived and analyzed in detail.
Stimuli responsive reversible high contrast off–on fluorescence switching of simple aryl-ether amine based aggregation-induced enhanced emission materials
Authors: Kundu Anu , Hariharan P. S. , Prabakaran K. , Moon Dohyun , Anthony Savarimuthu Philip
Published: October 2015

Aryl-ether amine based simple Schiff base molecules showed rare stimuli responsive off–on fluorescence switching with high contrast.
Fast synthesis of submicron aluminosilicate (low silica/alumina ratio) zeolites under solventless microwave radiation
Authors: Zeng Shangjing , Wang Runwei , Zou Yongcun , Fu Jingru , Zhang Zhongtao , Qiu Shilun
Published: October 2015

Sub-micron aluminosilicate zeolites with a low silica/alumina ratio are successfully synthesized by microwave solventless method.
Triphenylphosphine-assisted highly sensitive fluorescent chemosensor for ratiometric detection of palladium in solution and living cells
Authors: Nie Hailiang , Geng Junming , Jing Jing , Li Yamin , Yang Wen , Zhang Xiaoling
Published: October 2015

A triphenylphosphine-assisted highly sensitive fluorescent chemosensor for ratiometric detection of palladium in solution and living cells was developed.
Advances in high-capacity Li2MSiO4(M = Mn, Fe, Co, Ni, …) cathode materials for lithium-ion batteries
Authors: Girish H.-N. , Shao G.-Q.
Published: October 2015

This review highlights the high-capacity Li2MSiO4(M = Mn, Fe, Co, Ni, …) cathode materials for lithium-ion batteries.
Co-catalytic mechanism of Au and Ag in silicon etching to fabricate novel nanostructures
Authors: Li Ruike , Li Meicheng , Li Yingfeng , Fu Pengfei , Luo Younan , Huang Rui , Song Dandan , Mbengue Joseph Michel
Published: October 2015

The co-catalytic mechanism of silicon etching with a bilayer Au and Ag nanofilm is revealed, resulting in two very different structures.
Synthesis of hierarchical WO3nanostructured thin films with enhanced electrochromic performance for switchable smart windows
Authors: Poongodi S. , Kumar P. Suresh , Masuda Yoshitake , Mangalaraj D. , Ponpandian N. , Viswanathan C. , Ramakrishna Seeram
Published: October 2015

Graphical representation of synthesis of hierarchical WO3nanostructured thin filmsviaelectrodeposition method.
Cross-linked PS-DVB/Fe3O4 microspheres with quaternary ammonium groups and application in removal of nitrate from water
Authors: Feng Zhenliang , Wei Wenrui , Wang Litong , Hong Ruoyu
Published: October 2015

Schematic of the formation process of PFM.
A two-step continuous flow synthesis of amides from alcohol using a metal-free catalyst
Authors: Gu Jiajia , Fang Zheng , Liu Chengkou , Yang Zhao , Li Xin , Wei Ping , Guo Kai
Published: October 2015

A two-step continuous flow synthesis of amides from alcohol using metal-free catalyst with good yield.
A silver-promoted solid-phase guanidylation process enables the first total synthesis of stictamide A
Authors: Li Xiang , Li Yu-lei , Chen Yan , Zou Yan , Zhuo Xiao-bin , Wu Qiu-ye , Zhao Qing-jie , Hu Hong-gang
Published: October 2015

First total synthesis of stictamide A, a structurally unique peptide with a statine motif and aN-prenyl modified arginine in the side chain, is disclosed with a novel silver-promoted solid-phase strategy for the first time.
Kinetic enhancement of the diffusion-limited enzyme beta-galactosidase when displayed with quantum dots
Authors: Brown III C. W. , Oh E. , Hastman D. A. , Walper S. A. , Susumu K. , Stewart M. H. , Deschamps J. R. , Medintz I. L.
Published: October 2015

Schematic of a tetrameric β-galactosidase enzyme attached to and displaying 625 nm emitting QDs coated with a CL4 ligand via each of the 4 pendent His6 tags.
Gold nanoparticles are suitable cores for building tunable iminosugar multivalency
Authors: Matassini C. , Marradi M. , Cardona F. , Parmeggiani C. , Robina I. , Moreno-Vargas A. J. , Penadés S. , Goti A.
Published: October 2015

Inhibition in the low micromolar range towards amyloglucosidase.
Strong and fast-recovery organic/inorganic hybrid AuNPs–supramolecular gels based on loofah-like 3D networks
Authors: He Huiwen , Chen Si , Tong Xiaoqian , Chen Yining , Wu Bozhen , Ma Meng , Wang Xiaosong , Wang Xu
Published: October 2015

Super strong and fast-recovery organic/inorganic hybrid gold nanoparticle (AuNPs)-supramolecular gels based on a three-dimensional loofah-like nanoscale network self-assembled by polyhedral oligomeric silsesquioxane (POSS) core supramolecular gelators are reported for the first time.
A template-free synthesis of the hierarchical hydroxymethyl PEDOT tube-coral array and its application in dye-sensitized solar cells
Authors: Lin Yi-Feng , Li Chun-Ting , Ho Kuo-Chuan
Published: October 2015

The hierarchical PEDOT-MeOH tube-coral array counter electrode (CE) gave a good cell efficiency of 9.13% to its dye-sensitized solar cell, suggesting its potential to replace the traditional expensive Pt CE.
Self-assembled IrO2nanoparticles on a DNA scaffold with enhanced catalytic and oxygen evolution reaction (OER) activities
Authors: Anantharaj S. , Karthik P. E. , Kundu Subrata
Published: November 2015

Self-assembled IrO2nanoparticles on a DNA scaffold form an excellent material for organic catalysis reactions and act as an excellent electrocatalyst for the oxygen evolution reaction (OER).
Self-assembled graphene aerogel and nanodiamond hybrids as high performance catalysts in oxidative propane dehydrogenation
Authors: Roldán Laura , Benito Ana M. , García-Bordejé Enrique
Published: November 2015

Graphene aerogels and graphene aerogel–nanodiamond hybrids have been fabricated by a mild reduction/self-assembly hydrothermal method using graphene oxide dispersion as a precursor. The high dispersion of nanodiamonds enhances the performance in oxidative dehydrogenation of propane.
Polymeric precursor for solution-processed amorphous silicon carbide
Authors: Masuda Takashi , Iwasaka Akira , Takagishi Hideyuki , Shimoda Tatsuya
Published: October 2015

Solution-processed a-SiC was realized using polymeric precursor. Polymer-to-ceramic conversion was investigated in this report.
MyelStones: the executive roles of myelin basic protein in myelin assembly and destabilization in multiple sclerosis
Authors: Vassall Kenrick A. , Bamm Vladimir V. , Harauz George
Published: October 2015

The classic isoforms of myelin basic protein (MBP, 14–21.5 kDa) are essential to formation of the multilamellar myelin sheath of the mammalian central nervous system (CNS). The predominant 18.5-kDa isoform links together the cytosolic surfaces of oligodendrocytes, but additionally participates in cytoskeletal turnover and membrane extension, Fyn-mediated signalling pathways, sequestration of phosphoinositides and maintenance of calcium homoeostasis. All MBP isoforms are intrinsically disordered proteins (IDPs) that interact via molecular recognition fragments (MoRFs), which thereby undergo local disorder-to-order transitions. Their conformations and associations are modulated by environment and by a dynamic barcode of post-translational modifications, particularly phosphorylation by mitogen-activated and other protein kinases and deimination [a hallmark of demyelination in multiple sclerosis (MS)]. The MBPs are thus to myelin what basic histones are to chromatin. Originally thought to be merely structural proteins forming an inert spool, histones are now known to be dynamic entities involved in epigenetic regulation and diseases such as cancer. Analogously, the MBPs are not mere adhesives of compact myelin, but active participants in oligodendrocyte proliferation and in membrane process extension and stabilization during myelinogenesis. A central segment of these proteins is pivotal in membrane-anchoring and SH3 domain (Src homology 3) interaction. We discuss in the present review advances in our understanding of conformational conversions of this classic basic protein upon membrane association, including new thermodynamic analyses of transitions into different structural ensembles and how a shift in the pattern of its post-translational modifications is associated with the pathogenesis and potentially onset of demyelination in MS.
The importance of eukaryotic ferritins in iron handling and cytoprotection
Authors: Arosio Paolo , Carmona Fernando , Gozzelino Raffaella , Maccarinelli Federica , Poli Maura
Published: October 2015

Ferritins, the main intracellular iron storage proteins, have been studied for over 60 years, mainly focusing on the mammalian ones. This allowed the elucidation of the structure of these proteins and the mechanisms regulating their iron incorporation and mineralization. However, ferritin is present in most, although not all, eukaryotic cells, comprising monocellular and multicellular invertebrates and vertebrates. The aim of this review is to provide an update on the general properties of ferritins that are common to various eukaryotic phyla (except plants), and to give an overview on the structure, function and regulation of ferritins. An update on the animal models that were used to characterize H, L and mitochondrial ferritins is also provided. The data show that ferritin structure is highly conserved among different phyla. It exerts an important cytoprotective function against oxidative damage and plays a role in innate immunity, where it also contributes to prevent parenchymal tissue from the cytotoxicity of pro-inflammatory agonists released by the activation of the immune response activation. Less clear are the properties of the secretory ferritins expressed by insects and molluscs, which may be important for understanding the role played by serum ferritin in mammals.
Low‐complexity large‐scale multiple‐input multiple‐output channel estimation using affine combination of sparse least mean square filters
Authors: Gui Guan , Liu Ning , Xu Li , Adachi Fumiyuki
Published: November 2015

Large‐scale multiple‐input multiple‐output (MIMO) system is considered one of promising technologies to realise next‐generation wireless communication system (5G). So far, channel estimation problem is a big obstacle to develop large‐scale MIMO system design due to high computational complexity and curse of dimensionality, which are caused by the long delay spread as well as a large number of antennas. Hence, devising any low‐complexity channel estimation method could promote the successful development of the large‐scale MIMO system. Due to the fact that, large‐scale MIMO channels often exhibit sparse or/and cluster‐sparse structure, in this study, the authors propose an effective low‐complexity large‐scale MIMO channel estimation method by using affine combination of sparse adaptive filtering filters. First, problem formulation and standard affine combination of adaptive least mean square (LMS) filters are introduced. Then they propose an effective affine combination method with two sparse LMS filters and design an approximate optimum affine combiner according to stochastic gradient search method. Later, to verify the proposed algorithm for large‐scale MIMO channel estimation, both theoretical analysis and numerical simulations are provided to confirm effectiveness of the proposed algorithm which can achieve better estimation performance than the traditional methods.
The Unplanned Postoperative Coronary Angiogram after CABG: Identifying the Patients at Risk
Authors: Issam Ismail , Martens Andreas , Cebotari Serghei , Haverich Axel , Shrestha Malakh , Fleißner Felix
Published: October 2015

Objectives Coronary artery bypass grafting (CABG) is the “gold standard” for patients with multiple vessel coronary artery disease (CAD). However, there is no “gold standard” to control bypass patency immediately postoperatively. “Post-completion” control angiogram (CA) is not routinely performed. We retrospectively analyzed the data of all patients undergoing urgent coronary angiogram post-CABG at our center.

Methods Between January 2005 and June 2011, a total of 6,025 patients underwent CABG (isolated or combined) for CAD in our hospital. In patients who underwent urgent postoperative CA, high serum cardiac enzymes (>100 CK-MB), severe new ECG changes, or unexpected low left ventricular function were present.

Results A total of 106 patients (1.8%) underwent post-CABG urgent coronary angiogram. Overall 30-day mortality in this cohort was 8.5%. The average time between the cardiac operation and the coronary angiogram in these patients was 3.41 ± 5.68 days. The rates for an urgent coronary angiogram were 1.3% (n = 25), 2% (n = 65), and 1.8% (n = 16) for total arterial, combined arterial, and venous and solely venous CABG, respectively. Twenty-four percent of patients underwent CABG bypass revision, while 32% of the patients underwent PTCA, stenting, or both. Younger patients, female patients, smaller patients, and patients receiving a combined arterial and venous revascularization were at a higher risk for an unplanned postoperative CA in the multivariate risk analysis.

Conclusion This study shows that the necessity for urgent post-CABG coronary angiogram is low (1.8%). However, more than half of the patients undergoing postoperative coronary angiogram needed reintervention, and, in spite of it, had high mortality. “Completion” control angiogram is not always feasible, patients at higher risk (e.g., female patients) should be identified and post-CABG coronary angiogram performed as soon as possible without undue delay, or a primary hybrid approach with an intraoperative CA should be applied.
Steady state in a gas of inelastic rough spheres heated by a uniform stochastic force
Authors: Vega Reyes Francisco , Santos Andrés
Published: November 2015

We study here the steady state attained in a granular gas of inelastic rough spheres that is subject to a spatially uniform random volume force. The stochastic force has the form of the so-called white noise and acts by adding impulse to the particle translational velocities. We work out an analytical solution of the corresponding velocity distribution function from a Sonine polynomial expansion that displays energy non-equipartition between the translational and rotational modes, translational and rotational kurtoses, and translational-rotational velocity correlations. By comparison with a numerical solution of the Boltzmann kinetic equation (by means of the direct simulation Monte Carlo method), we show that our analytical solution provides a good description that is quantitatively very accurate in certain ranges of inelasticity and roughness. We also find three important features that make the forced granular gas steady state very different from the homogeneous cooling state (attained by an unforced granular gas). First, the marginal velocity distributions are always close to a Maxwellian. Second, there is a continuous transition to the purely smooth limit (where the effects of particle rotations are ignored). And third, the angular translational-rotational velocity correlations show a preference for a quasiperpendicular mutual orientation (which is called “lifted-tennis-ball” behavior).
Positive and negative singly charged ion production of a laser induced plasma using a capillary graphite target
Authors: Saquilayan G. Q. , Wada M.
Published: November 2015

A new type of laser ion source is being developed aiming at the production of positive and negative singly charged ions using a capillary graphite target structure. The initial results of the laser plasma produced inside of the 10 mm diameter conduit indicated the formation of the secondary charged particle production inside the target. A high speed camera clearly recorded the plasma plume expansion inside the target. The time-of-flight spectrum of the laser produced plasma in vacuum showed that the signal of the positive ions formed two peaks as the laser power density exceeded 10 GW/cm2. The addition of neutral gas to the system produced a signal corresponding to negative ions after the positive signal.
Duty factor variation possibility from 1% to 100% with PKU microwave driven Cs-free volume H− sources
Authors: Peng S. X. , Zhang T. , Ren H. T. , Zhang A. L. , Xu Y. , Zhang J. F. , Guo Z. Y. , Chen J. E.
Published: November 2015

Microwave driven cesium-free volume H− sources, that have the ability to deliver tens of mA H− at 35 keV both in CW and 10% duty factor (100 Hz/1 ms), were developed at Peking University (PKU) [S. X. Peng et al., in Proceeding of IPAC 2015, WEPWA027, Richmond, Virginia, USA, 3–8 May 2015]. Recently, special efforts were paid on the investigation of duty factor variation possibility from 1% to 100% with them. Most of the experiments were carried out with a pulsed length (τ) of 1 ms and different intervals of 99 ms, 49 ms, 39 ms, 29 ms, 19 ms, 9 ms, 4 ms, 2 ms, 1 ms, 0.5 ms, and 0 ms, respectively. Other experiments were focused on CW operation and fixed duty factor of 1%. Experimental results prove that PKU H− sources can deliver tens of mA H− at duty factor from 1% to 100%. The RF power efficiency increases steadily with the increasing of duty factor from 1% to CW at a fixed pulsed length. Under a given duty factor and pulsed length, RF power efficiency keeps constant and the H− current increases with RF power linearly. Details will be presented in the paper.
Self-excited dust-acoustic waves in an electron-depleted nanodusty plasma
Authors: Tadsen Benjamin , Greiner Franko , Groth Sebastian , Piel Alexander
Published: November 2015

A dust density wave field is observed in a cloud of nanodust particles confined in a radio frequency plasma. Simultaneous measurements of the dust properties, grain size and density, as well as the wave parameters, frequency and wave number, allow for an estimate of the ion density, ion drift velocity, and the dust charge using a hybrid model for the wave dispersion. It appears that the charge on the dust grains in the cloud is drastically reduced to tens of elementary charges compared with isolated dust particles in a plasma. The charge is much higher at the cloud's periphery, i.e., towards the void in the plasma center and also towards the outer edge of the cloud.
The Sanctuary of a sacred nation: National discourse in the style and décor of the Licheń Sanctuary
Authors: Kisiel Piotr
Published: October 2015

The Basilica of Our Lady of Licheń, located near Konin in the Greater Poland Voivodeship, provides a unique insight into a nationalistic discourse in contemporary Poland. It was created not only as a Catholic shrine but also as a place of patriotic indoctrination. This paper examines not only the architecture and design of the Church and the surrounding Sanctuary, but also the ideas of Rev. Eugeniusz Makulski, the site's founder, and Barbara Bielecka, its architect, in order to understand one of the important currents in a debate on the Polish post-Communist identity. A close analysis of this religious shrine is intended not only to understand this particular site but also to examine how national identity is (re)defined in architecture. As this paper shows, the employment of symbolic devices allows the creation of a coherent story of the Polish nation as a religious community with a history intrinsically linked to the Catholic Church. However, the annexation of the lay sphere (nation) by the sacred one (religion) leads to problematic results when it comes to the universality of the religion and the “nationalization” of the Catholic Church itself.
Protael: protein data visualization library for the web
Authors: Sedova Mayya , Jaroszewski Lukasz , Godzik Adam
Published: October 2015

Summary: Protael is a JavaScript library for creating interactive visualizations of biological sequences and various associated data. It allows users to generate high-quality vector graphics (SVG) and integrate it into web pages.

Availability and implementation: Protael distribution, documentation and examples are freely available at http://protael.org; source code is hosted at https://github.com/sanshu/protaeljs.

Contact: adam@godziklab.org
SeqSIMLA2_exact: simulate multiple disease sites in large pedigrees with given disease status for diseases with low prevalence
Authors: Yao Po-Ju , Chung Ren-Hua
Published: October 2015

Summary: It is difficult for current simulation tools to simulate sequence data in a pre-specified pedigree structure and pre-specified affection status. Previously, we developed a flexible tool, SeqSIMLA2, for simulating sequence data in either unrelated case-control or family samples with different disease and quantitative trait models. Here we extended the tool to efficiently simulate sequences with multiple disease sites in large pedigrees with a given disease status for each pedigree member, assuming that the disease prevalence is low.

Availability and implementation: SeqSIMLA2_exact is implemented with C++ and is available at http://seqsimla.sourceforge.net.

Contact:  rchung@nhri.org.tw
TB or Not TB
Authors: Guo Ming , Mak Susanna , Reiss Dina , Salit Irving E. , Ouzounian Maral
Published: October 2015

Bartonella quintana infection is commonly associated with alcohol abuse and homelessness and can be a cause of blood culture-negative infective endocarditis. Bartonella endocarditis has a subacute clinical course and can cause severe valvular disruption with potentially fatal outcomes. Its diagnosis requires a high index of suspicion in the clinical scenario of culture-negative endocarditis and may require serological testing, western blotting, or culture in specialized media. 16S RNA amplification sequencing analysis and histopathological examination may be helpful if a surgical specimen is available. We present a case of blood culture-negative infective endocarditis in the context of active pulmonary tuberculosis; endocarditis caused by Mycobacteria tuberculosis is extremely rare so another cause of the endocarditis was sought. Bartonella quintana was confirmed as the cause by molecular detection done on the vegetation.
MeshAndCollect: an automated multi-crystal data-collection workflow for synchrotron macromolecular crystallography beamlines
Authors: Zander Ulrich , Bourenkov Gleb , Popov Alexander N. , de Sanctis Daniele , Svensson Olof , McCarthy Andrew A. , Round Ekaterina , Gordeliy Valentin , Mueller-Dieckmann Christoph , Leonard Gordon A.
Published: October 2015

Here, an automated procedure is described to identify the positions of many cryocooled crystals mounted on the same sample holder, to rapidly predict and rank their relative diffraction strengths and to collect partial X-ray diffraction data sets from as many of the crystals as desired. Subsequent hierarchical cluster analysis then allows the best combination of partial data sets, optimizing the quality of the final data set obtained. The results of applying the method developed to various systems and scenarios including the compilation of a complete data set from tiny crystals of the membrane protein bacteriorhodopsin and the collection of data sets for successful structure determination using the single-wavelength anomalous dispersion technique are also presented.
Resonant leaders: an impetus to change the organizations
Authors: Chawla Saniya , Lenka Usha
Published: October 2015

Purpose

– The purpose of the paper is to discuss about being a resonant leader during a change process of learning, unlearning and relearning.

Design/methodology/approach

– The paper is a viewpoint.

Findings

– To embrace and accept change in the organization, emotionally intelligent resonant leaders are required who would guide them through shared vision, compassion and overall positive moods.

Originality/value

– The paper makes a pioneering effort to explain new type of leadership style necessary for any change to occur in the organizations.
Guilt no longer a sin: the effect of guilt in the service recovery paradox
Authors: Cheng Yin-Hui , Chang Chia-Jung , Chuang Shih-Chieh , Liao Ya-Wei
Published: October 2015

Purpose

– Research on the service recovery paradox (SRP) effect has indicated that after recovery from failures in customer service, customers will commonly rate their satisfaction higher than prior to the service failure. However, thus far there has been little research on the cause of this phenomenon. Accordingly, the purpose of this paper is to explore the effect of “guilt” emotions in the context of consumer service.

Design/methodology/approach

– Three experiments were conducted to test the hypotheses. Data were collected from 532 undergraduate, graduate students and the general people.

Findings

– The results of the experiments demonstrate that if customers are compensated for service failures by receiving better than anticipated service, they will commonly experience feelings of “guilt.” In an attempt to alleviate this guilt, customers will project their feelings in evaluating a company, and will rate their customer satisfaction more highly. In doing so, the customer feels relief in reciprocating the kindness of the firm; in this way, the firm wins over the customer’s heart.

Originality/value

– This is one of the first studies to discuss the effect of guilt in the SRP effect. This research shows that relying on the emotion of “guilt” for receiving exceptional service helps companies to overcome service failures and successfully rebuild their relationships with customers.
Legitimacy and democracy: implications for governance in sport
Authors: Minikin Brian
Published: October 2015

Purpose

– The purpose of this paper is to demonstrate how the existing mechanisms for legitimising member based sport organisations can lead to poor governance and how accepted democratic processes can be manipulated to suit the personal agenda of individuals over the vision of the organisation.

Design/methodology/approach

– Three cases are provided to illustrate how, it is relatively easy for individuals to manipulate the established rules in order to obtain and retain power.

Findings

– The self-regulatory nature of sport assumes that elected representatives put the organisation’s interests before their own and that they always act in the best interests of the members. The evidence, provided in this paper, suggests that this assumption may be inappropriate.

Research limitations/implications

– The case studies provided occurred within the boundaries of one continental grouping of countries and may be considered biased due to the specific demographic characteristics of this part of the world and the relative lack of development of sport systems that exist there.

Practical implications

– The paper raises important questions about the appropriateness of the legitimising mechanisms that affect sport and the challenges that face modern sport organisations.

Social implications

– The paper may provide a basis for arguing that the concepts of democracy and autonomy in sport organisations need to be reviewed if their autonomy is to be maintained.

Originality/value

– This paper provides a basis for challenging the basis of how sport is structured and how member based sport organisations are legitimised to operate as they do.
Unlocking advertising, activation and sponsorship in an emerging market
Authors: Söderman Sten , Dolles Harald
Published: October 2015

Purpose

– The purpose of this paper is to describe and explain the advertising behavior seen as an activation strategy performed by Olympic sponsors in an emerging market context. It provides insights into the strategic goals related to sponsorship.

Design/methodology/approach

– The longitudinal approach taken opens the possibility to explore the dynamics of the strategies of Chinese as well as foreign firms in China. Theories on how sponsorship works cannot assist in explaining outcomes of sponsor-linked marketing, and since the actors involved rarely divulge their genuine intentions or their reciprocal contractual arrangements with the sponsored property, a new methodology has to be developed. A means-objective framework of sponsoring consists of six factors, which were applied to analyze 739 advertisements, articles and press releases collected from Chinese newspapers and Chinese official web pages covering a period of eight years (2001-2008) prior to the Olympic Games in Beijing. Based on a qualitative content analysis and nine means-objectives combinations in sponsorship patterns the authors discovered four dominant advertising strategies.

Findings

– Lead-time is a key concept when analyzing sponsor advertising strategies. The authors conclude from the longitudinal data that the time gap between signing the contract and the dates of the event influences the strategy of the sponsoring corporations. The authors also observe that the advertising content changes over time and the sponsors craft different “advertising strategies” in different periods. Within this context the authors categorized two different advertising strategies. The sponsors are assumed to conduct a “Short Advertising Strategy” different from the “Long Advertising Strategy.” Both are examples of activation strategies.

Originality/value

– Advertising strategies and activation seems to be dependent on the lead-time to the Olympic Games and the level of internationalization of the sponsoring firm.
Social enterprise and neoinstitutional theory
Authors: Pinch Steven , Sunley Peter
Published: October 2015

Purpose

– The purpose of this paper is to argue that neoinstitutional theory can provide insights into the conflicts between social ends and economic means within social enterprises (SEs). Tensions between these differing institutional logics may be seen as a manifestation of ambiguity and incoherence in an organizational field that is, despite many recent regulative and normative changes, still weakly institutionalized in the UK.

Design/methodology/approach

– The research design adopts a qualitative approach and is based on semi-structured, in-depth interviews with 40 SE managers in four major UK cities.

Findings

– Findings suggest that SE managers deal with the competing institutional logics of “the market” and “social care” in differing ways.

Research limitations/implications

– The case studies are derived from major UK cities where SEs are more likely to be dependent on state and quasi-public sector forms of support.

Practical implications

– Policies attempting to imbue a more commercial and business-like approach with the institutional field of SE should recognize the tensions imposed by such a shift. These tensions are especially pronounced in SEs affected by changes to state funding regimes and publicly sponsored markets. In some situations, such market logic may be largely inappropriate.

Social implications

– Changing institutional logics within an organizational field such as SE requires a recognition of the complex interrelationships between that factors that create and sustain such a field, most notably legal (regulative), educational (normative) and attitudinal (cognitive) factors.

Originality/value

– This is one of the few papers to explore the value of neoinstitutional theory in the context of SE.
Designing a social enterprise
Authors: Imperatori Barbara , Ruta Dino Cataldo
Published: October 2015

Purpose

– The purpose of this study is to examine, drawing on organization studies and stakeholder theories, the organizational configuration that enables the social enterprise to succeed by combining social and economic imperatives in a sustainable way.

Design/methodology/approach

– The research project is based on the analysis of a multiple cross-national case study consisting of seven social enterprises that are active in the drug rehabilitation context. Multiple rounds of data gathering and analysis combined with within-case analysis and cross-case comparison enabled the authors to evaluate the perceived, declared and subjective organizational perspectives.

Findings

– Results suggest that organizational performance – measured as the ability to achieve social goals, generate resources and pursue sustainability over time – depends on the implementation of a participative organizational configuration defined by the interaction of six organizational components (i.e. time and space designed for collective activities, low degree of formalization, social control, centralized decision-making processes, transformational leadership style and a workforce structure based on social stakeholders as workers). The involvement of social stakeholders emerges as a distinctive feature in the social enterprise domain.

Originality/value

– The study contributes to extending the configuration approach to the social enterprise domain, also as a fruitful method to manage social stakeholders and to advance the discussion on hybrid organizations.