bluuebunny/crossref_metadata_2025 huggingface dataset:
Association between diabetes mellitus and poor patient outcomes after out-of-hospital cardiac arrest: A systematic review and meta-analysis
Authors: Voruganti Dinesh Chandra , Chennamadhavuni Adithya , Garje Rohan , Shantha Ghanshyam Palamaner Subash , Schweizer Marin L. , Girotra Saket , Giudici Michael
Published: December 2018

Diabetes mellitus (DM) serves as an important prognostic indicator in patients with cardiac-related illness. Our objective is to compare survival and neurological outcomes among diabetic and non-diabetic patients who were admitted to the hospital after an out-of-hospital cardiac arrest (OHCA). We searched MEDLINE and EMBASE for relevant articles from database inception to July 2018 without any language restriction. Studies were included if they evaluated patients who presented with OHCA, included mortality and neurological outcome data separately for DM patients and Non-DM patients and reported crude data, odds ratio (OR), relative risk (RR) or hazard ratio (HR). Two investigators independently reviewed the retrieved citations and assessed eligibility. The quality of included studies was evaluated using Newcastle-Ottawa quality assessment scale for cohort studies. Random-effect models using the generic variance method were used to create pooled odds ratios (OR) and 95% confidence intervals (CI). Heterogeneity was assessed using theI2value. Survival and neurological outcomes (using modified rankin scale and cerebral performance category scale) after OHCA in hospitalized patients with DM compared with patients without DM. Out of 57 studies identified, six cohort studies met the inclusion criteria. In an analysis of unadjusted data, patients with DM had lower odds of survival, pooled OR 0.64; 95% CI, 0.52–0.78, [I2 = 90%]. When adjusted ORs were pooled, the association between DM and survival after OHCA was still significantly reduced, pooled OR 0.78, 95% CI, 0.68–0.89 [I2 = 55%]. Unadjusted pooled OR revealed poor neurological outcomes in patients with DM, pooled OR 0.55, 95% CI, 0.38–0.80 [I2 = 90%]. The result demonstrates significant poor outcomes of in-hospital survival and neurological outcomes among DM patients after OHCA.
Primula vulgaris (primrose) genome assembly, annotation and gene expression, with comparative genomics on the heterostyly supergene
Authors: Cocker Jonathan M. , Wright Jonathan , Li Jinhong , Swarbreck David , Dyer Sarah , Caccamo Mario , Gilmartin Philip M.
Published: December 2018

Primula vulgaris(primrose) exhibits heterostyly: plants produce self-incompatible pin- or thrum-form flowers, with anthers and stigma at reciprocal heights. Darwin concluded that this arrangement promotes insect-mediated cross-pollination; later studies revealed control by a cluster of genes, or supergene, known as theS(Style length) locus. TheP.vulgaris Slocus is absent from pin plants and hemizygous in thrum plants (thrum-specific); mutation ofSlocus genes produces self-fertile homostyle flowers with anthers and stigma at equal heights. Here, we present a 411 Mb P.vulgarisgenome assembly of a homozygous inbred long homostyle, representing ~87% of the genome. We annotate over 24,000 P.vulgarisgenes, and reveal more genes up-regulated in thrum than pin flowers. We show reduced genomic read coverage across theSlocus in otherPrimulaspecies, includingP.veris, where we define the conserved structure and expression of theSlocus genes in thrum. Further analysis reveals theSlocus has elevated repeat content (64%) compared to the wider genome (37%). Our studies suggest conservation ofSlocus genetic architecture inPrimula, and provide a platform for identification and evolutionary analysis of theSlocus and downstream targets that regulate heterostyly in diverse heterostylous species.
Self-Similarity and the Dynamics of Coarsening in Materials
Authors: Sun Yue , Andrews W. Beck , Thornton Katsuyo , Voorhees Peter W.
Published: December 2018

Two-phase mixtures, from metallic alloys to islands on surfaces, undergo coarsening wherein the total interfacial area of the system decreases with time. Theory predicts that during coarsening the average size-scale of a two-phase mixture increases with time as t1/3 when the two-phase mixture is self-similar, or time independent when scaled by a time-dependent length. Here, we explain why this temporal power law is so robustly observed even when the microstructure is not self-similar. We show that there exists an upper limit to the length scales in the system that are kinetically active during coarsening, which we term the self-similar length scale. Length scales smaller than the self-similar length scale evolve, leading to the classical temporal power law for the coarsening dynamics of the system. Longer length scales are largely inactive, leading to a non-self-similar structure. This result holds for any two-phase mixture with a large distribution of morphological length scales.
Adult hippocampal neurogenesis occurs in the absence of Presenilin 1 and Presenilin 2
Authors: Dhaliwal Jagroop , Kannangara Timal S. , Vaculik Michael , Xue Yingben , Kumar Keren L. , Maione Amanda , Béïque Jean-Claude , Shen Jie , Lagace Diane C.
Published: December 2018

Mutations in the presenilin genes (PS1 and PS2) are a major cause of familial-Alzheimer’s disease (FAD). Presenilins regulate neurogenesis in the developing brain, with loss of PS1 inducing aberrant premature differentiation of neural progenitor cells, and additional loss of PS2 exacerbating this effect. It is unclear, however, whether presenilins are involved in adult neurogenesis, a process that may be impaired in Alzheimer’s disease within the hippocampus. To investigate the requirement of presenilins in adult-generated dentate granule neurons, we examined adult neurogenesis in the PS2−/− adult brain and then employ a retroviral approach to ablate PS1 selectively in dividing progenitor cells of the PS2−/− adult brain. Surprisingly, the in vivo ablation of both presenilins resulted in no defects in the survival and differentiation of adult-generated neurons. There was also no change in the morphology or functional properties of the retroviral-labeled presenilin-null cells, as assessed by dendritic morphology and whole-cell electrophysiology analyses. Furthermore, while FACS analysis showed that stem and progenitor cells express presenilins, inactivation of presenilins from these cells, using a NestinCreERT2 inducible genetic approach, demonstrated no changes in the proliferation, survival, or differentiation of adult-generated cells. Therefore, unlike their significant role in neurogenesis during embryonic development, presenilins are not required for cell-intrinsic regulation of adult hippocampal neurogenesis.
A 3D microvascular network model to study the impact of hypoxia on the extravasation potential of breast cell lines
Authors: Song Jiho , Miermont Agnès , Lim Chwee Teck , Kamm Roger D.
Published: December 2018

Hypoxia is a common feature of the tumor microenvironment. Accumulating evidence has demonstrated hypoxia to be an important trigger of tumor cell invasion or metastasizes via hypoxia-signaling cascades, including hypoxia-inducible factors (HIFs). Microfluidic model can be a reliable in vitro tool for systematically interrogating individual factors and their accompanying downstream effects, which may otherwise be difficult to study in complex tumor tissues. Here, we used an in vitro model of microvascular networks in a microfluidic chip to measure the extravasation potential of breast cell lines subjected to different oxygen conditions. Through the use of HIF-1α knock-down cell lines, we also validated the importance of HIF-1α in the transmigration ability of human breast cell lines. Three human breast cell lines derived from human breast tissues (MCF10A, MCF-7 and MDA-MB-231) were used in this study to evaluate the role of hypoxia in promoting metastasis at different stages of cancer progression. Under hypoxic conditions, HIF-1α protein level was increased, and coincided with changes in cell morphology, viability and an elevated metastatic potential. These changes were accompanied by an increase in the rate of extravasation compared to normoxia (21% O2). siRNA knockdown of HIF-1α in hypoxic tumors significantly decreased the extravasation rates of all the cell lines tested and may have an effect on the function of metastatic and apoptotic-related cellular processes.
Publisher Correction: Early detection of pulmonary exacerbations in children with Cystic Fibrosis by electronic home monitoring of symptoms and lung function
Authors: van Horck Marieke , Winkens Bjorn , Wesseling Geertjan , van Vliet Dillys , van de Kant Kim , Vaassen Sanne , de Winter-de Groot Karin , de Vreede Ilja , Jöbsis Quirijn , Dompeling Edward
Published: December 2018

A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has been fixed in the paper.
Stimulatory effects of amino acids on γ-polyglutamic acid production by Bacillus subtilis
Authors: Zhang Chao , Wu Daoji , Qiu Xueliang
Published: December 2018

This paper is about study to increase the γ-PGA yield by developing new methods. The effect of various amino acids on production of γ-PGA by Bacillus subtilis Z15 was investigated. The γ-PGA yield was increased 23.18%, 12.15% and 31.46%, respectively, with 3 g/L aspartic acid (0 h), 1.5 g/L phenylalanine (0 h) and 7 g/L glutamic acid (24 h). Additonally, crude extract of glutamic acid after isoelectric crystallization (CEGA)could be a replacement for glutamate for γ-PGA production. Then, response surface methodology (RSM) was used for further optimization. The final media ingredient of amino acids were obtained as follow: CEGA 9 g/L, aspartic acid 4 g/L, phenylalanine 1.55 g/L. By applying this receipt in 5-L bioreactor, the γ-PGA yield reached 42.92 ± 0.23 g/L after 44 h, which is 63.1% higher than the control without amino acids for production. In addition, amino acids could shorten the lag phase and the average fermentation time (44 h versus 48 h). Fermentation with amino acids addition can be an positive option for γ-PGA production.
Environmental factors influencing mucilage accumulation of the endangered Brasenia schreberi in China
Authors: Xie Chun , Li Jiafeng , Pan Fan , Fu Junjie , Zhou Wenzong , Lu Shan , Li Pengfu , Zhou Changfang
Published: December 2018

Brasenia schreberi J. F. Gmel. (Cabombaceae), a perennial freshwater macrophyte characterized by a thick mucilage on all underwater organs and especially young buds, has been widely cultivated as an aquatic vegetable in China for many years but is now listed as an endangered species due to anthropogenic impacts and habitat loss. Recent studies have demonstrated that different B. schreberi populations in China have low levels of genetic diversity but significantly different mucilage contents (MucC). Considering the importance of mucilage on both economic and ecological aspects, we examined mucilage-environment relationships in three B. schreberi cultivation sites. The results indicated that water permanganate index (CODMn), total N (TNw), electrical conductivity (ECw), dissolved oxygen (DOw), sediment organic carbon (SOC) and total N (TNs) were significant factors, which explained 82.2% of the variation in mucilage accumulation. The MucC and mucilage thickness (MucT) as well as single bud weight (SBW) of B. schreberi showed negative relationships with CODMn, TNw and ECw but positive relationships with SOC and TNs. Besides, high temperature may have a negative impact on mucilage accumulation of the species. Our study demonstrated that the mucilage accumulation of B. schreberi required good water quality and nutrient-enriched sediments, suggesting that habitat conservation, especially the quality of water, is important for maintaining B. schreberi populations.
Uncovering secondary metabolite evolution and biosynthesis using gene cluster networks and genetic dereplication
Authors: Theobald Sebastian , Vesth Tammi C. , Rendsvig Jakob Kræmmer , Nielsen Kristian Fog , Riley Robert , de Abreu Lucas Magalhães , Salamov Asaf , Frisvad Jens Christian , Larsen Thomas Ostenfeld , Andersen Mikael Rørdam , Hoof Jakob Blæsbjerg
Published: December 2018

The increased interest in secondary metabolites (SMs) has driven a number of genome sequencing projects to elucidate their biosynthetic pathways. As a result, studies revealed that the number of secondary metabolite gene clusters (SMGCs) greatly outnumbers detected compounds, challenging current methods to dereplicate and categorize this amount of gene clusters on a larger scale. Here, we present an automated workflow for the genetic dereplication and analysis of secondary metabolism genes in fungi. Focusing on the secondary metabolite rich genus Aspergillus, we categorize SMGCs across genomes into SMGC families using network analysis. Our method elucidates the diversity and dynamics of secondary metabolism in section Nigri, showing that SMGC diversity within the section has the same magnitude as within the genus. Using our genome analysis we were able to predict the gene cluster responsible for biosynthesis of malformin, a potentiator of anti-cancer drugs, in 18 strains. To proof the general validity of our predictions, we developed genetic engineering tools in Aspergillus brasiliensis and subsequently verified the genes for biosynthesis of malformin.
Author Correction: New insight for pharmacogenomics studies from the transcriptional analysis of two large-scale cancer cell line panels
Authors: Sadacca Benjamin , Hamy Anne-Sophie , Laurent Cécile , Gestraud Pierre , Bonsang-Kitzis Hélène , Pinheiro Alice , Abecassis Judith , Neuvial Pierre , Reyal Fabien
Published: December 2018

A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has been fixed in the paper.
Enhanced performance of organic nanoparticles of a Schiff base for voltammetric sensor of Cu(ii) ions in aqueous samples
Authors: Kumar Sanjeev , Mittal Susheel K. , Kaur Navneet
Published: December 2018

Organic nanoparticles of (E)-3-((2-aminoethylimino)methyl)-4H-chromen-4-one (IFE) were synthesized in aqueous dispersion by the reprecipitation method with an average particle size of 50–65 nm.
Chiral analysis of β-methylamino alanine (BMAA) enantiomers after (+)-1-(9-fluorenyl)-ethyl chloroformate (FLEC) derivatization and LC-MS/MS
Authors: Zurita Javier , Zguna Nadezda , Andrýs Rudolf , Strzelczak Anna , Jiang Liying , Thorsen Gunnar , Ilag Leopold L.
Published: December 2018

A developed method for chiral analysis of neurotoxin β-methylamino alanine (BMAA) allowed detection of d-BMAA in cycad seed samples.
Tumor targeting DVDMS-nanoliposomes for an enhanced sonodynamic therapy of gliomas
Authors: Sun Yue , Wang Haiping , Wang Pan , Zhang Kun , Geng Xiaorui , Liu Quanhong , Wang Xiaobing
Published: December 2018

UTMD-assisted intelligent DVDMS encapsulate iRGD-Liposomes mediate SDT with deep tumor penetration and specific targeting ability enhanced anti-glioma efficacy.
Size-selective encapsulation of C60 and C60-derivatives within an adaptable naphthalene-based tetragonal prismatic supramolecular nanocapsule
Authors: García-Simón Cristina , Monferrer Alba , Garcia-Borràs Marc , Imaz Inhar , Maspoch Daniel , Costas Miquel , Ribas Xavi
Published: December 2018

A novel naphthalene-based 5·(BArF)8 capsule allows for the size-selective inclusion of C60 from fullerene mixtures. Additionally, 5·(BArF)8 encapsulates C60-derivatives such as C60-PCBM and N-methyl-pyrrolidine-C60.
3D solvent-free energetic metal–organic framework (EMOF) achieved by removing inclusion molecules from a new coordination polymer
Authors: Zhang Sheng , Wu Shuo , Zhang Wendou , Yang Qi , Wei Qing , Xie Gang , Chen Sanping , Gao Shengli , Lu Jack Y.
Published: December 2018

The reaction of CuCl and NaN3 with 4,4′-azo-1,2,4-triazol-5-one (H2ZTO) under solvothermal conditions produced a new 3D heteronuclear Cu(i)-Na(i) energetic metal–organic framework (EMOF), [Cu3Na(ZTO)2]n·nCH3CN (1).
From mononuclear to two-dimensional cobalt(ii) complexes based on a mixed benzimidazole–dicarboxylate strategy: syntheses, structures, and magnetic properties
Authors: Kong Jiao-Jiao , Shao Dong , Zhang Jia-Chen , Jiang Yu-Xuan , Ji Cheng-Long , Huang Xing-Cai
Published: December 2018

Three cobalt(ii) complexes with diverse structure dimensions based on a mixed benzimidazole–dicarboxylate strategy have been synthesized hydrothermally and characterized structurally and magnetically.
Solution structure and structural rearrangement in chiral dimeric ytterbium(iii) complexes determined by paramagnetic NMR and NIR-CD
Authors: Lelli Moreno , Di Bari Lorenzo
Published: December 2018

The accurate determination of the structure in solution of chiral lanthanide complexes is of crucial importance to understand enantioselective catalysis, and the optical and magnetic properties.
Unearthing the factors governing site specific rates of electronic excitations in multicomponent plasmonic systems and catalysts
Authors: Chavez Steven , Rao Vishal Govind , Linic Suljo
Published: December 2018

Direct electronic transitions act as a preferential dissipation pathway for plasmon energy in multicomponent plasmonic systems.
Ion reactions in atmospherically-relevant clusters: mechanisms, dynamics and spectroscopic signatures
Authors: Karimova Natalia V. , McCaslin Laura M. , Gerber R. Benny
Published: December 2018

Exploring models of reactions of N2O4 with ions in water in order to provide molecular-level understanding of these processes.
Immunomodulatory activity of a water-soluble polysaccharide obtained from highland barley on immunosuppressive mice models
Authors: Han Lirong , Meng Meng , Guo Mingzhu , Cheng Dai , Shi Lei , Wang Xu , Wang Chunling
Published: December 2018

Immunomodulatory activity of a water-soluble polysaccharide obtained from highland barley on immunosuppressive mice models.
Adipose-on-a-chip: a dynamic microphysiological in vitro model of the human adipose for immune-metabolic analysis in type II diabetes
Authors: Liu Yunxiao , Kongsuphol Patthara , Chiam Su Yin , Zhang Qing Xin , Gourikutty Sajay Bhuvanendran Nair , Saha Shilpi , Biswas Subhra Kumar , Ramadan Qasem
Published: December 2018

Infiltration of immune cells into adipose tissue is associated with chronic low-grade inflammation in obese individuals.
Rapid and efficient isolation and detection of extracellular vesicles from plasma for lung cancer diagnosis
Authors: Chen Junge , Xu Youchun , Wang Xun , Liu Dongchen , Yang Fan , Zhu Xiurui , Lu Ying , Xing Wanli
Published: December 2018

A dielectrophoretic chip has been developed for extracellular vesicle (EV) isolation, which facilitates high-recovery efficiency (>83%) and high-purity EV isolation from plasma.
Negative Poisson's ratio in 2D life-boat structured crystals
Authors: Fang Ruhao , Cui Xiangyuan , Stampfl Catherine , Ringer Simon P. , Zheng Rongkun
Published: December 2018

The auxetic behavior is strongly correlated to the bond stretch or rotation and a method to discover it is provided.
Synthesis of a new acetate bridged Cu(ii) building block generated 1D polymer and studies on structural, magnetic, antibacterial and anticancer properties
Authors: Pathak Sayantan , Ghosh Mithun K. , Mandal Manab , Mandal Vivekananda , Bhattacharyya Arnab , Ghorai Tanmay K.
Published: December 2018

Novel 1D polymer of formula [Cu3(Py)6(μ-CH3COO)4(I3)2]nhaving asymmetric unit {[Cu0.75(CH3COO)1(Py)1.5]·(I3)0.5}nandS= 1/2 shows bacterial growth inhibition and ROS mediated chemotherapy.
Disintegrating polymer multilayers to jump-start colloidal micromotors
Authors: Fernández-Medina Marina , Qian Xiaomin , Hovorka Ondrej , Städler Brigitte
Published: December 2018

Colloidal systems with autonomous mobility are attractive alternatives to static particles for diverse applications.
Sodium titanium oxide bronze nanoparticles synthesized via concurrent reduction and Na+-doping into TiO2(B)
Authors: Hasegawa George , Tanaka Moeko , Vequizo Junie Jhon M. , Yamakata Akira , Hojo Hajime , Kobayashi Makoto , Kakihana Masato , Inada Miki , Akamatsu Hirofumi , Hayashi Katsuro
Published: December 2018

Topotactic reduction of TiO2(B) with NaBH4 accompanies sodium-ion intercalation and oxygen-deficiency formation, resulting in conductive NaxTiO2−δ bronze nanoparticles.
Ambient electrochemical N2-to-NH3 fixation enabled by Nb2O5 nanowire array
Authors: Kong Wenhan , Liu Zaichun , Han Jingrui , Xia Li , Wang Yuan , Liu Qian , Shi Xifeng , Wu Yuping , Xu Yuanhong , Sun Xuping
Published: December 2018

A Nb2O5 nanowire array on carbon cloth (Nb2O5/CC) is efficient for ambient electrocatalytic N2-to-NH3 fixation with excellent selectivity in 0.1 M Na2SO4.
A facile metal–phenolic–amine strategy for dual-functionalization of blood-contacting devices with antibacterial and anticoagulant properties
Authors: Tu Qiufen , Shen Xuehong , Liu Yaowen , Zhang Qiang , Zhao Xin , Maitz Manfred F. , Liu Tao , Qiu Hua , Wang Jin , Huang Nan , Yang Zhilu
Published: December 2018

A novel and facile metal–phenolic–amine surface modification strategy is presented to engineer a multifunctional coating on blood-contacting devices, which combats thrombosis and infection simultaneously.
Gold-catalyzed oxidative cycloalkenations of alkynes with quinoline N-oxides
Authors: Wagh Sachin Bhausaheb , Sharma Pankaj , Patil Manoj D. , Liu Rai-Shung
Published: December 2018

This work reports gold-catalyzed oxidative cycloalkenations of phenyl propargyl ethers and phenoxyalkynes with quinoline N-oxides to afford 4-alkylidenechroman-2-ones and 3-alkylidenebenzofuran-2-ones respectively.
Pd(TFA)2-catalyzed direct arylation of quinoxalinones with arenes
Authors: Paul Sanjay , Khanal Hari Datta , Clinton Chayan Dhar , Kim Sung Hong , Lee Yong Rok
Published: December 2018

Pd(TFA)2-catalyzed cross-dehydrogenative coupling reaction for the direct C-3 arylation of quinoxalin-2-ones with arenes is described.
Synthesis of styrene maleic anhydride copolymer grafted graphene and its dispersion in aqueous solution
Authors: Wang Youqun , He Mingsheng , Cheng JiaJia , Zhang Songlei
Published: December 2018

Three simple and cost-effective method were described to synthesize covalently functionalized graphene nanoplatelets (GNPs) with poly(styrene-co-maleic anhydride) (SMA), which offer the possibility of using graphene for low-value products such as cement-based materials.
Facile synthesis of an all-in-one graphene nanosheets@nickel electrode for high-power performance supercapacitor application
Authors: Huang Bing , Zhao Zhiyuan , Chen Jian , Sun Yuzhen , Yang Xiaowei , Wang Jian , Shen Hao , Jin Ye
Published: December 2018

GNSs@Ni electrode has a high current density, and the Cm and Cs are estimated to be 196.4 F g−1 and 36.2 mF cm−2.
Transport properties of protic and aprotic guanidinium ionic liquids
Authors: Rauber Daniel , Philippi Frederik , Zapp Josef , Kickelbick Guido , Natter Harald , Hempelmann Rolf
Published: December 2018

New protic and aprotic ionic liquids based on superbase cations show promising properties and enrich the field of cation classes
A metabolic interpretation for the response of cellular autofluorescence to chemical perturbations assessed using spectral phasor analysis
Authors: Maltas Jeff , Palo Dylan , Wong Chong Kai , Stefan Symeon , O'Connor James , Al Aayedi Nazar , Gaire Madhu , Kinn Diana , Urayama Paul
Published: December 2018

The two-component nature of the autofluorescence response is indicative of whether a single or several pathways are affected.
Hydrogen evolution from silicon nanowire surfaces
Authors: Feng Rui , Liu Yang , Li Shipu , Chen Hanbin , Song Chengyi , Tao Peng , Wu Jianbo , Zhang Peng , Deng Tao , Shang Wen
Published: December 2018

This paper presents the study on the hydrogen evolution reaction (HER) of the silicon nanowire (SiNW)-based surfaces.
The presence of a single-nucleotide mismatch in linker increases the fluorescence of guanine-enhanced DNA-templated Ag nanoclusters and their application for highly sensitive detection of cyanide
Authors: Peng Jun , Ling Jian , Wen Qiu-Lin , Li Yu , Cao Qiu-E. , Huang Zhang-Jie , Ding Zhong-Tao
Published: December 2018

Single-base mismatched G-rich enhanced DNA-Ag NCs for cyanide detection.
Design and characterization of chionodracine-derived antimicrobial peptides with enhanced activity against drug-resistant human pathogens
Authors: Olivieri Cristina , Bugli Francesca , Menchinelli Giulia , Veglia Gianluigi , Buonocore Francesco , Scapigliati Giuseppe , Stocchi Valentina , Ceccacci Francesca , Papi Massimiliano , Sanguinetti Maurizio , Porcelli Fernando
Published: December 2018

Design of new chionodracine-derived peptides with potent activity against drug-resistant human pathogens.
Uptake and release of photosensitizers in a hydrogel for applications in photodynamic therapy: the impact of structural parameters on intrapolymer transport dynamics
Authors: Glass Sarah , Rüdiger Tom , Griebel Jan , Abel Bernd , Schulze Agnes
Published: December 2018

Different photoactive compounds were evaluated regarding their uptake and release in polymer hydrogels with respect to size, charge, and acidity.
Natural phosphate-supported Cu(ii), an efficient and recyclable catalyst for the synthesis of xanthene and 1,4-disubstituted-1,2,3-triazole derivatives
Authors: Amini Abbas , Fallah Azadeh , Cheng Chun , Tajbakhsh Mahmood
Published: December 2018

Cu(NO3)2supported on natural phosphate, Cu(ii)/NP, was prepared by co-precipitation and characterized. The Cu(ii)/NP catalyzed the synthesis of xanthenes and triazoles. The proposed protocols provided significant economic and environmental advantages.
Monolithic zirconia aerogel from polyacetylacetonatozirconium precursor and ammonia hydroxide gel initiator: formation mechanism, mechanical strength and thermal properties
Authors: Liu Benxue , Gao Min , Liu Xiaochan , Xie Yongshuai , Yi Xibin , Zhu Luyi , Wang Xinqiang , Shen Xiaodong
Published: December 2018

Large-sized, high-transparent and monolithic ZrO2 aerogel was prepared by a synthetic zirconium precursor.
Sulfur–oleyl amine platelet derivatives with liquid crystalline behavior
Authors: Tzitzios Vasileios , Dimos Konstantinos , Lelidis Ioannis , Boukos Nikos K. , Wadi Vijay S. , Basina Georgia , Nounesis George , Alhassan Saeed M.
Published: December 2018

A novel sulfur-based platelet derivative was synthesized by reacting elemental sulfur with oleyl amine.
Design, synthesis and structure–activity relationships of mangostin analogs as cytotoxic agents
Authors: Chi Xiao-Qian , Zi Cheng-Ting , Li Hong-Mei , Yang Liu , Lv Yong-Feng , Li Jin-Yu , Hou Bo , Ren Fu-Cai , Hu Jiang-Miao , Zhou Jun
Published: December 2018

A series xanthone derivatives were synthesized and cytotoxicity results indicated that the isopentene group at C-8 is essential.
Tunable two-dimensional polarization grating using a self-organized micropixelated liquid crystal structure
Authors: Amano Reo , Salamon Péter , Yokokawa Shunsuke , Kobayashi Fumiaki , Sasaki Yuji , Fujii Shuji , Buka Ágnes , Araoka Fumito , Orihara Hiroshi
Published: December 2018

A micro-pixelated pattern of a nematic liquid crystal formed by self-organization of topological defects is shown to work as a tunable two-dimensional optical grating.
Efficient photoelectrochemical water oxidation using a TiO2 nanosphere-decorated BiVO4 heterojunction photoanode
Authors: Jiang Wenchao , Jiang Yi , Tong Jing , Zhang Qian , Li Siyuan , Tong Haili , Xia Lixin
Published: December 2018

Constructing heterojunctions by coupling dissimilar semiconductors is a promising approach to boost charge separation and charge transfer in photoelectrochemical (PEC) water splitting.
A first-principles calculation of structural, mechanical, thermodynamic and electronic properties of binary Ni–Y compounds
Authors: Zhou YunXuan , Hu MingYu , Yan Pei , Shi Xiaoli , Chong XiaoYu , Feng Jing
Published: December 2018

A systematic investigation concerned with structures, elastic, and thermodynamic properties of Ni17Y2, Ni5Y, Ni7Y2, Ni3Y, Ni2Y, NiY, Ni2Y3 and NiY3 in Ni–Y system.
Inducing hardening and healability in poly(ethylene-co-acrylic acid)viablending with complementary low molecular weight additives
Authors: Baker Benjamin C. , German I. , Stevens Gary C. , Colquhoun Howard M. , Hayes Wayne
Published: December 2018

Blending nitroarylurea gelators with poly(ethylene-co-acrylic acid) copolymers improves the mechanical and healing properties of the bulk polymervia‘network within a network’ formation.
Detailed kinetics of substituted phenolic species in pyrolysis bio-oils
Authors: Pelucchi Matteo , Cavallotti Carlo , Cuoci Alberto , Faravelli Tiziano , Frassoldati Alessio , Ranzi Eliseo
Published: December 2018

A comprehensive kinetic model for the pyrolysis and combustion of substituted phenolic species, key components of fast pyrolysis bio-oils.
Development of customized 3D printed stainless steel reactors with inline oxygen sensors for aerobic oxidation of Grignard reagents in continuous flow
Authors: Maier Manuel C. , Lebl René , Sulzer Philipp , Lechner Josef , Mayr Torsten , Zadravec Matej , Slama Eyke , Pfanner Stefan , Schmölzer Christoph , Pöchlauer Peter , Kappe C. Oliver , Gruber-Woelfler Heidrun
Published: December 2018

Development of 3D printed stainless steel reactors for the oxidation of Grignard reagents in continuous flow.
Ultrahigh energy density asymmetric electrochemical capacitors based on flower-like ZnO/Co3O4nanobundle arrays and stereotaxically constricted graphene
Authors: Hu Ning , Gong Wen Hao , Huang Lei , Shen Pei Kang
Published: December 2018

Unique hierarchical flower-like ZnO/Co3O4nanobundle arrays were synthesizedviaa facile hydrothermal method and the electrode shows remarkable specific capacitance up to 1983 F g−1at a current density of 2 A g−1.
Flexible thermopower generation over broad temperature range by PANI/nanorod hybrid-based p–n couples
Authors: Wang Yao , Liu Guifen , Sheng Ming , Yu Chao , Deng Yuan
Published: December 2018

N-type PANI/Bi2S3 nanorod hybrid films were developed to assemble a flexible power generator with high output voltage over a wide temperature range.
Bionic cartilage acellular matrix microspheres as a scaffold for engineering cartilage
Authors: Liu Jun , Wang Xiuyu , Lu Gonggong , Tang James Zhenggui , Wang Yonghui , Zhang Boqing , Sun Yong , Lin Hai , Wang Qiguang , Liang Jie , Fan Yujiang , Zhang Xingdong
Published: December 2018

Bionic cartilage acellular matrix microspheres (BCAMMs) made from decelluarized bionic cartilage microspheres (BCMs).
First-principles calculations on the intrinsic resistivity of borophene: anisotropy and temperature dependence
Authors: Liu Zhe , Zhu Mingfeng , Zheng Yisong
Published: December 2018

Temperature dependence and anisotropy of the intrinsic resistivity of β12 and χ3 borophene.
New mathematical model from system standpoint to analyse and mitigate PV leakage current of large PV strings/arrays
Authors: Eslami Ahmadreza , Ghanbari Teymoor
Published: December 2018

One of the recently arisen issues for transformerless grid‐connected photovoltaic (PV) systems is high‐frequency leakage current, which flows through the parasitic capacitance of PV system and the neutral grounding resistor (NGR) of the grid. This paper deals with a systemic analysis on the capacitance of large PV systems considering the interconnecting conductors. A new Y‐bus model is proposed to analyse the leakage current of PV strings/arrays of any size in high‐frequency domain. In the model, different capacitances of PV panels and the inductance and capacitance of interconnecting cables are considered. Subsequently, a two‐port circuit is derived by its admittance parameters, which is useful in leakage current studies. In the second step, a novel model for the common mode (CM) analysis of voltage‐source inverters is derived based on which, a new leakage current mitigation technique is proposed which provides capacitive CM paths for both the negative and positive legs of the inverter. The model is assessed using different simulations in various conditions. The results confirm the usefulness of the proposed model.
Harmonic emission level assessment method based on parameter identification analysis
Authors: Tang Kexuan , Shen Chen
Published: December 2018

In this study, a new method for harmonic emission level assessment is proposed. The method is based on parameter identification analysis. The quantitative relationship between standard deviation values of equivalent parameters and harmonic emission levels is studied and discussed through theoretical derivations. The complete harmonic emission level assessment method is then proposed on the basis of quantitative analysis and validated by means of simulation studies and field tests. The method has the ability of distinguishing the active injection contents in load harmonic currents and determining the actual harmonic responsibilities of the customers in power systems. On‐line power quality monitoring applications and incentive management schemes can be designed by the proposed method.
Energy management in multi‐microgrids via an aggregator to override point of common coupling congestion
Authors: Khavari Farshad , Badri Ali , Zangeneh Ali
Published: December 2018

Generally, the owners of microgrids are not identical; therefore, each microgrid tries to optimise its own profit and maximise its utilisation of the point of common coupling (PCC) capacity to boost its profitability, while being ignorant of its neighbouring microgrids. In the absence of information concerning neighbouring microgrids, data limitations in the PCC may be troublesome, especially in load peak hours. Hence, existence of an agent is vital to manage energy exchanges between microgrids and grid. This study introduces a bi‐level hierarchical structure to manage energy in a system composed of multimicrogrids while considering PCC congestion. In the first level, each microgrid implements its day‐ahead scheduling and declares its probable energy mismatch to an agent, entitled microgrid aggregator (MGA). In the second level, the MGA aims to maximise profit of microgrids considering PCC constraint through a two‐stage optimisation problem. In the first stage, Karush‐Kuhn‐Tucker conditions are used to present a novel virtual pricing algorithm exerted by aggregator for rescheduling of microgrids. After regulating generation of microgrids through a reciprocal process, the resultant profit is fairly divided among microgrids via Shapley value in the second stage. The simulation results reveal the efficiency and reliability of the proposed method.
Traffic control approach based on multi‐source data fusion
Authors: Wang Pu , Wang Chengcheng , Lai Jiyu , Huang Zhiren , Ma Jiangshan , Mao Yingping
Published: December 2018

A multi‐source data‐driven traffic control approach is developed to alleviate traffic overload at bottleneck road segments. In the proposed approach, the high‐penetration feature of mobile‐phone signalling data and the real‐time feature of taxi global‐positioning‐system data are combined to simulate traffic flows in the road network of Shenzhen, a major city of southern China. The road intersections for implementing traffic control schemes are selected by locating the major vehicle sources of the bottleneck road segments, and a genetic algorithm was used to solve the dynamic traffic control schemes. Two important bottleneck road segments in Shenzhen were used as case studies to test the effectiveness of the proposed approach. The authors also propose a method to calibrate the simulated traffic flows when traffic count data are available in the future.
Trajectory tracking and prediction of pedestrian's crossing intention using roadside LiDAR
Authors: Zhao Junxuan , Xu Hao , Wu Jianqing , Zheng Yichen , Liu Hongchao
Published: December 2018

Trajectory tracking and crossing intention prediction of pedestrians at intersections are important to intersection safety. Recently, on‐board video sensors have been developed for detection of pedestrians. However, both the detection range and operating environment of video‐based systems seem to be constrained by the advancement of image‐processing technologies. Additionally, on‐board systems cannot alarm pedestrians to take evasive actions when at risk, a feature which is critical to saving lives. This paper summarises the authors' practice on using roadside LiDAR sensors to monitor and predict pedestrians' crossing intention, as part of an ongoing effort to develop a pioneering LiDAR‐based system to systematically reduce pedestrian and vehicle collisions at intersections. The LiDAR sensors were installed at intersections to collect pedestrian data such as presence, location, velocity, and direction. A new method based on deep autoencoder – artificial neural network (DA‐ANN) was used to process data and predict pedestrian crossing intention. The case study shows the proposed model is about 95% prediction accuracy and computational efficiency for real‐time systems. The roadside LiDAR system has great potential to significantly reduce vehicle‐to‐pedestrian crashes both at intersections and non‐intersection areas, either used as a stand‐alone system or in conjunction with the connected V2I and I2V technologies.
Single‐switch multi‐output converters as second stage of LED driver
Authors: Li Xuewen , Liu Xueshan , Xiao Rui , Zhou Qun , Zhang Zhefeng
Published: December 2018

Single‐switch multi‐output light emitting diode (LED) drivers derived from Cuk, Sepic and Zeta converter are proposed and analysed. The proposed multi‐output LED drivers can achieve balanced output current of each LED string by charge balance of storage capacitor without auxiliary current balancing circuit. Therefore, if only the output current of one LED string is controlled to the required level, the output currents of other LED strings will be regulated to the same level naturally, which will greatly simplify the control loop, especially when the number of LED string is numerous. The proposed LED drivers use only one active switch, which decreases the volume of circuit and simplifies the control loop. Finally, a 76 W prototype is built to verify the studied results.
An auto‐reclosing scheme for DC circuit breaker in VSC‐HVDC transmission system
Authors: Wang Yuan , Wang Yuhong , Liu Chengzhuo , Yang Liwen
Published: December 2018

When a DC line fault happens, the converter will be blocked instantly. This leads to an interruption of power transmission and influences the stability of DC and AC systems. To avoid the blocking of converters, this paper presents a novel protection scheme for VSC‐HVDC system, which consists fault isolation and auto‐reclosing of DC circuit breaker (DCCB). First, this paper coordinates the protective actions of converters and DCCB. The DC line fault is cut immediately by DCCB while the blocking signal of converter is isolated during the fault. Second, since the faults of long overhead transmission DC lines are mostly transient, an auto‐reclosing strategy is developed. The emphasise of this part, which includes fault discrimination and time sequences, between DCCB and converter is elaborated, and the value of reclosing delay is derived by analysing the charging and discharging characteristics of capacitor paralleled with converter. Finally, the protection scheme is evaluated by overcurrent, overvoltage, and recovery time of DC system, and simulation results of a point‐to‐point VSC‐HVDC transmission system proves its validity.
Dc fault current calculation method in MMC‐HVDC grid considering current‐limiting devices
Authors: Xu Jianzhong , Zhu Sicheng , Li Chengyu , Zhao Chengyong
Published: December 2018

This paper proposes a DC fault current calculation method to reveal the fault current evolution mechanism of the modular multilevel converter (MMC)‐based HVDC grid. The new method includes the fast switching of the current‐limiting devices and the transient characteristics of the metal oxide arresters (MOA), which are not reported previously. Specifically, begin from a single‐end MMC, two peak‐valley points of inflection in the DC fault current curve are pointed out when switching the current‐limiting devices into the fault branch with a follow‐up action of MOA when the branch current reaches zero. The two points are selected as important indicators in the design of the coordinated protection scheme and switching logics. Then, the impact of the total DC reactance distribution in the DC‐side reactor and the fault current‐limiter (FCL) together with the initial current values on the two points of inflection are discussed. The applicability of the above approaches on HVDC grid is studied and an overall fault current calculation procedure with six steps including the tripping of the DC circuit breakers (DCCB) are proposed for HVDC gird applications. The proposed calculation method is validated by Electromagnetic Transient (EMT) simulation for pole‐to‐pole fault, different fault locations, and DC reactance values.
Deep insights into electrical parameters due to metal gate WFV for different gate oxide thickness in Si step FinFET
Authors: Saha Rajesh , Bhowmick Brinda , Baishya Srimanta
Published: December 2018

A systematic investigation of the impact of Ti metal gate work function variability (WFV) on various electrical parameters against variation in gate oxide thickness in both step‐FinFET and conventional FinFET (C‐FinFET) using technology computer‐aided design simulation is reported. It is seen that WFV of Ti metal gate has a significant influence on electrical parameters such as threshold voltage (σVT), subthreshold swing (σ SS), on current (σIon), and off current (σIoff) with variation in gate oxide thickness. It is also perceived that the impact of WFV of Ti gate material in step‐FinFET is lesser than C‐FinFET. Histograms of various electrical parameters are presented for better understanding of the statistical impact of WFV of Ti metal gate in both the structures.
Can public-private partnership policy reduce poverty and grow sustainable economies in indonesia? (case study approach)
Authors: Huda Ary Miftakhul , Mardiyanta Antun , Setijaningrum Erna
Published: December 2018

The openness of the investment in Indonesia has become one of the main focuses in supporting the Nawa Cita Program by Jokowi and Jusuf Kalla. Unfortunately, the increase in investment is not balanced with the number of poor urban and rural population in Indonesia. Therefore, social inequality in Indonesia still tends to be quite large. One form of investment is the development of supermarkets. The goal of this study is to analyze the implementation of partnership policies between supermarkets and SME with a case study approach of supermarket chains with SME in Sidoarjo Town, East Java Province. This study uses a qualitative approach, through in-depth interviews on SME who partner with supermarkets in Sidoarjo. The results showed that the government-led partnership policy to improve the economy of society and overcome the gap on the growth of supermarkets did not run optimally. Thus, the Government's goal to create a mutually beneficial business partnership between supermarkets and SME can not be achieved, so that there needs to be an evaluation on the partnership policy made by the Government further so that the partnership policy can be successful.
An analysis of tax knowledge base system usage behaviour at KPP Madya South Jakarta I
Authors: Setyaningrum Nur'Aini , Setyowati Milla Sepliana
Published: December 2018

The Directorate General of Taxation has established an online repository called Tax Knowledge Base or TKB. TKB has been widely recognized and used by tax authorities, albeit not maximally. This study used a quantitative descriptive method to analyse constructs of the Unified Theory of Acceptance and Use of Technology to specifically figure out TKB use at KPP Madya South Jakarta I with a sample size of 88. A significant effect was demonstrated by Performance Expectancy on Behavioural Intention, Facilitating Condition and Behavioural Intention to Use Behaviour. Insignificance was apparent in the effect of Effort Expectancy and Social Influence on Use Behaviour. This study recommends that the Directorate General of Taxation should require tax authorities to use TKB on a daily basis.
The financial analysis for the advisability of the biogas project from cattle manure in household scale
Authors: Kamiluddin Muhammad Mundzir , Budianto Emil , Frimawaty Evi
Published: December 2018

The existence of domestic cattle breeders is a community group that has considerable potential to develop renewable energy resources and environmentally friendly. The methane gas (CH4) produced by cattle manure is a strong greenhouse gas, about 25 times stronger than CO2 if organic waste is not taken up and letting it decay in the open, methane causing global warming. This research is to study the feasibility of processing of domestic cattle manure into biogas with financial analysis. The method used is to analyze the financial aspect by calculating NPV, IRR, and B/C Ratio. This research shows that the potential of raw material of biogas at the research location is great. The utilization of biogas from cattle manure on the household scale is financially feasible, as evidenced by its NPV value indicates >0, its IRR exceeds the interest rate, and its B/C Ratio >1, and the majority of breeders also want to process their cattle manure into biogas.
Towards a sustainable local business community by women℉s empowerment programs through corporate social responsibility (CSR)
Authors: Hidayati Lutfia Nurul , Huda Ary Miftakhul , Suryapuspita Merintha
Published: December 2018

Based on data from Central Bureau of Statistics, the population of Indonesia in 2016 amounted to 258.71 million people, consisting of 128.72 million women and 129.99 million men. Thus, women need to be empowered to increase their competence so that they can contribute in the national economy. The aim of this paper is to analyze the impact of women's empowerment into a sustainable local business community through Corporate Social Responsibility (CSR). The qualitative research methodology was conducted in this study. Data collection is conducted through in-depth interview with the related women. The informants in this study were the women who were involved in CSR program located in Kampung Kue, Surabaya City. This research uses the theory of women empowerment by Nursahbani Katjasungkana in discussion of Strategic Plan Team of National Development. The results show that women empowerment programs have a positive impact on women's self-development in Kampung Kue. Women become skilled and have the ability to become independent entrepreneurs. Thus, women have additional income and are able to increase household incomes. In addition, the slum neighborhoods in Kampung Kue previously became a productive local business community due to the empowerment program.
Sustaining the development of MSEs in Indonesia: the moderating effects of the environment
Authors: Pertiwi Indah , Prijadi Ruslan
Published: December 2018

MSEs contribute much to the Indonesian economy and play a crucial role in achieving Sustainable Development Goals (SDGs) Unfortunately, MSEs still have limited access to finance. Financing access (SDGs’ issue), support from the government (environmental aspect), and entrepreneurial traits (inside the MSEs) are central for MSEs’ sustainability. This research investigates the role of a business environment built by the government to ease financial constraints and support self-efficacy in MSEs’ sustainable growth. This research applies the Structural Equation Model method to 750 respondents. Initially the direct factors are estimated and then a moderating factor is added. The results find that financial constraints MSEs’ experience limits the their sustainability, whereas self-efficacy enhances it. Although MSEs possess strong entrepreneurial characteristics as the basis for their growth, financing access remains a burden. The research confirms that the business environment created by the government is an effective strategy to facilitate MSEs’ sustainability. However, MSEs’ sustainability cannot be improved merely by government schemes but must be supported by the financial and banking sectors.