bluuebunny/crossref_metadata_2025 huggingface dataset:
Nickel hexacyanoferrate/graphene thin film: a candidate for the cathode in aqueous metal-ion batteries
Authors: Neiva Eduardo G. C. , Zarbin Aldo J. G.
Published: May 2022

A reduced graphene oxide/nickel nanoparticles nanocomposite was used as precursor to synthesize a novel graphene/nickel hexacyanoferrate thin film through a heterogeneous electrochemical reaction with ferricyanide ions in solution.
Ruthenium-catalyzed (spiro)annulation of N-aryl-2,3-dihydrophthalazine-1,4-diones with quinones to access pentacyclic spiro-indazolones and fused-cinnolines
Authors: Naharwal Sushma , Karishma Pidiyara , Mahesha Chikkagundagal K. , Bajaj Kiran , Mandal Sanjay K. , Sakhuja Rajeev
Published: May 2022

The concise syntheses of spiro-indazolones and fused-cinnolines by Ru(ii)-catalyzed [4 + 1] and [4 + 2] oxidative coupling between N-aryl-2,3-dihydrophthalazine-1,4-diones and 1,4-benzoquinones.
[3 + 2] vs. [4 + 1] Annulation: revisiting mechanism studies on the phosphine-catalysed domino sequence of alkynoates and activated methylenes
Authors: Chen Yan-Shan , Zheng Yu , Tang Kai , Xie Zhen-Zhen , Ye Zhi-Peng , Li Ming-Zhi , Chen Kai , Xiang Hao-Yue , Yang Hua
Published: May 2022

DFT studies to rationalize the reaction mechanism of the phosphine-catalyzed domino sequences of alkynoates and activated methylenes.
A general and stereoselective approach to 14-membered cyclic bis-semicarbazones involving BF3-catalyzed amidoalkylation of 2-(trimethylsilyloxy)propene
Authors: Fesenko Anastasia A. , Shutalev Anatoly D.
Published: May 2022

An effective approach to 14-membered hexaaza macrocycles based on BF3-catalyzed amidoalkylation of 2-(trimethylsilyloxy)propene followed by reaction of the obtained 4-(3-oxobutyl)semicarbazones with N2H4 and TsOH-promoted cyclization is reported.
Metal-free three-component assemblies of anilines, α-keto acids and alkyl lactates for quinoline synthesis and their anti-inflammatory activity
Authors: Huang Lizhu , Yang Lu , Wan Jie-Ping , Zhou Liyun , Liu Yunyun , Hao Guifeng
Published: May 2022

A metal-free three-component protocol for quinoline synthesis is developed by using alkyl lactates, anilines and α-keto acids.In vitroexperiments disclose the attractive anti-inflammatory activity of these quinoline compounds.
Total synthesis of resolvin D3
Authors: Ogawa Narihito , Katagiri Kyosuke , Haimoto Yosuke , Kobayashi Yuichi
Published: May 2022

Resolvin D3 was synthesized by the Suzuki–Miyaura cross-coupling reaction of C1–C8 borane with C9–C22 iodoolefin as the key reaction.
Nanocomposites based on the graphene family for food packaging: historical perspective, preparation methods, and properties
Authors: Rossa Vinicius , Monteiro Ferreira Luanne Ester , da Costa Vasconcelos Sancler , Tai Shimabukuro Eric Thomas , Gomes da Costa Madriaga Vinicius , Carvalho Anna Paula , Castellã Pergher Sibele Berenice , de Carvalho da Silva Fernando , Ferreira Vitor Francisco , Conte Junior Carlos Adam , de Melo Lima Thiago
Published: May 2022

Food packaging based on nanotechnology of polymeric nanocomposites of graphene and graphene oxide results in packaging with better thermal, mechanical, antimicrobial, electrical packaging, moisture barrier and gas properties.
Autonomous-healing and smart anti-corrosion mechanism of polyurethane embedded with a novel synthesized microcapsule containing sodium dodecyl sulfate as a corrosion inhibitor
Authors: Azamian Iman , Allahkaram Saeed Reza , Rezaee Sadegh
Published: May 2022

The self-healing and smart anti-corrosion behavior of a polyurethane coating enhanced with micro-sized capsules have been investigated.
Realizing outstanding electrochemical performance with Na3V2(PO4)2F3 modified with an ionic liquid for sodium-ion batteries
Authors: Yu Xiaobo , Lu Tianyi , Li Xiaokai , Qi Jiawei , Yuan Luchen , Man Zu , Zhuo Haitao
Published: May 2022

An ionic liquid is used as a new nitrogen and boron source to synthesize nitrogen–boron co-doped carbon-coated Na3V2(PO4)2F3 (NVPF-CNB).
Direct synthesis of ultrathin FER zeolite nanosheets via a dual-template approach
Authors: Li Yuekun , Ma Duozheng , Fu Wenhua , Liu Chuang , Wang Yu , Wang Zhendong , Yang Weimin
Published: May 2022

SCM-37, a FER-type zeolite with ultra-thin nanosheet morphology with thickness of 4–7 nm, was directly synthesized in a dual-template system constructed with octyltrimethylammonium chloride (OTMAC) and 4-dimethylaminopyridine (4-DMAP).
A new insight into the transfer and delivery of anti-SARS-CoV-2 drug Carmofur with the assistance of graphene oxide quantum dot as a highly efficient nanovector toward COVID-19 by molecular dynamics simulation
Authors: Shahabi Mahnaz , Raissi Heidar
Published: May 2022

Potential usage of graphene oxide quantum dot as a Mproinhibitor as well as an effective strategy in delivery of Carmofur into the active site of the main protease to combat COVID-19.
Effect of a self-assembling La2(Ni0.5Li0.5)O4 and amorphous garnet-type solid electrolyte composite on a layered cathode material in all-solid-state batteries
Authors: Heo Kookjin , Song Young-Woong , Hwang Dahee , Kim Min-Young , Hwang Jang-Yeon , Kim Jaekook , Lim Jinsub
Published: May 2022

A composite cathode material contributes to the improvement of interfacial resistance between cathode material and solid electrolyte in the all-solid-state batteries.
Thermoelectric performance enhancement of eco-friendly Cu2Se through incorporating CB4
Authors: Xie Wen , Liu Feng , Zheng Yingxiang , Ge Nina , Dai Bo , Zhang Xiaowei
Published: May 2022

Thermoelectric performance enhancement in a liquid-like material Cu2Se by introducing CB4 nanopowders based on the hydrothermal method and hot-pressing technique.
Influence of redox initiator component ratios on the emulsion copolymerisation of vinyl acetate and neodecanoic acid vinyl ester
Authors: Jacob Laurence Isabelle , Pauer Werner , Schroeter Baldur
Published: May 2022

Reaction rate control and high conversions at all temperatures were achieved in emulsion copolymerisation of vinyl acetate and Versa®10 by variation of redox initiator component ratios in a broad range of initiation temperatures of −1 °C to 60 °C.
Potential antimicrobial, antidiabetic, catalytic, antioxidant and ROS/RNS inhibitory activities of Silybum marianum mediated biosynthesized copper oxide nanoparticles
Authors: Iqbal Junaid , Andleeb Anisa , Ashraf Hajra , Meer Bisma , Mehmood Azra , Jan Hasnain , Zaman Gouhar , Nadeem Muhammad , Drouet Samantha , Fazal Hina , Giglioli-Guivarc'h Nathalie , Hano Christophe , Abbasi Bilal Haider
Published: May 2022

Use of medicinal plants for the biosynthesis of nanoparticles offers several advantages over other synthesis approaches.
Supramolecular polymer/peptide hybrid hydrogels with tunable stiffness mediated by interchain acid-amide hydrogen bonds
Authors: Liu Yu-Shen , Chakravarthy Rajan Deepan , Saddik Abdelreheem Abdelfatah , Mohammed Mohiuddin , Lin Hsin-Chieh
Published: May 2022

Adaptable, biocompatible hydrogels of peptide/polymer hybrid systems with double-network (DN) structures are developed with tunable mechanical stiffness.
Impact of Zr top electrode on tantalum oxide-based electrochemical metallization resistive switching memory: towards synaptic functionalities
Authors: Raeis-Hosseini Niloufar , Chen Shaochuan , Papavassiliou Christos , Valov Ilia
Published: May 2022

Zr is a potential active electrode in the electrochemical metallization cells (ECMs) for the next generation of nonvolatile nanoelectronics. The ECM device works under AC pulses to emulate the essential characteristics of an artificial synapse.
Kinetics and thermodynamics of enzymatic decarboxylation of α,β-unsaturated acid: a theoretical study
Authors: Promma Phorntep , Lao-ngam Charoensak , Lai Rung-Yi , Sagarik Kritsana
Published: May 2022

The kinetically controlled path for enzymatic decarboxylation of α,β-unsaturated acid is proposed based on DFT and TST methods. The mechanism involves fluctuation of the local dielectric environment in the active site of the FDC1 enzyme.
C2-ketonylation of carbohydrates via excited-state palladium-catalyzed 1,2-spin-center shift
Authors: Zhao Gaoyuan , Mukherjee Upasana , Zhou Lin , Wu Yue , Yao Wang , Mauro Jaclyn N. , Liu Peng , Ngai Ming-Yu
Published: May 2022

The excited-state palladium-catalyzed 1,2-spin-center shift process streamlines the synthesis of C2-ketonyl sugars. This step-economic reaction has a broad scope and allows late-stage functionalization of natural product- and drug-glycoconjugates.
A bioinspired hollow g-C3N4–CuPc heterostructure with remarkable SERS enhancement and photosynthesis-mimicking properties for theranostic applications
Authors: Su Yu , Yuan Baozhen , Jiang Yaowen , Wu Ping , Huang Xiaolin , Zhu Jun-Jie , Jiang Li-Ping
Published: May 2022

Thylakoid-inspired HCNs@CuPc@HA is designed as a light-harvesting nanocomposite and photosynthesis-mimicking nanoscaffold to simultaneously enhance chemical mechanism-based SERS and photosynthesis-mimicking catalysis for theranostics application.
Dual photocatalysis for CO2 reduction along with the oxidative coupling of benzylamines promoted by Cu/Cu2O@g-C3N4 under visible irradiation
Authors: Prajapati Pankaj Kumar , Tripathi Deependra , Poddar Mukesh Kumar , Gupta Piyush , Jain Suman L.
Published: May 2022

A novel twin functional photocatalytic approach in which CO2 acted as a soft oxidant and facilitated oxidation of amines to imines along with the simultaneous reduction to methanol is described.
Catalysing the performance of Li–sulfur batteries with two-dimensional conductive metal organic frameworks
Authors: Bhauriyal Preeti , Heine Thomas
Published: May 2022

The performance of two-dimensional (2D) conductive metal–organic frameworks (MOFs) to be suitable cathode hosts for Li–S batteries is investigated based on the catalytic triangle, and Co3(THT)2 is observed to be the optimum host.
A mussel-inspired high bio-content thermosetting polyimine polymer with excellent adhesion, flame retardancy, room-temperature self-healing and diverse recyclability
Authors: Zhao Qi , Zhang Meng , Gao Shishuai , Pan Zheng , Xue Yijiao , Jia Puyou , Bo Caiying , Luo Zhenyang , Song Fei , Zhou Yonghong
Published: May 2022

A polyimine polymer with hydrogen bond–imine bond double dynamic cross-linked networks was synthesized by green methods using biomass feedstock. This study provides new and important insights into multifunctional polymers with high bio-based content.
Scalable and thermally-integrated solar water-splitting modules using Ag-doped Cu(In,Ga)Se2 and NiFe layered double hydroxide nanocatalysts
Authors: Bayrak Pehlivan İlknur , Saguì Nicole A. , Oscarsson Johan , Qiu Zhen , Zwaygardt Walter , Lee Minoh , Mueller Martin , Haas Stefan , Stolt Lars , Edoff Marika , Edvinsson Tomas
Published: May 2022

A thermally-integrated solar water-splitting approach is presented, using bifunctional precious metal free catalysts based on Fe and Ni. The approach is scalable and reaches up to 13.4% solar-to-hydrogen (STH) efficiency.
CH3NH3+ and Pb immobilization through PbI2 binding by organic molecule doping for homogeneous organometal halide perovskite films
Authors: Jiang He , Yao Qianqian , Zhang Xiaoyue , Zhang Bangmin , Xing Weiwei , Sun Yijing , Xiong Weiming , Luo Xin , Zhu Wenpeng , Zheng Yue
Published: May 2022

PCBM and PMMA doping prevent Pb migration and hinder Pb-assisted aggregation of MA vacancies in MAPbI3 films, achieving structural and chemical homogeneity with enhancement of performance and stability in MAPbI3-based solar cells.
A molecularly imprinted nanocavity with transformable domains that fluorescently indicate the presence of antibiotics in meat extract samples
Authors: Oshita Azusa , Sunayama Hirobumi , Takeuchi Toshifumi
Published: May 2022

A molecularly imprinted nanocavity that binds to antibiotics and wherein successful binding is indicated by a change in fluorescence, which can detect not only antibiotics in aqueous media of various pH values, but also in meat extract samples.
A bio-inspired MXene/quaternary chitosan membrane with a “brick-and-mortar” structure towards high-performance photothermal conversion
Authors: Wang Yilin , Jiang Bo , Sun Tao , Wang Sha , Jin Yongcan
Published: May 2022

MXene/QCS membranes with a “brick-and-mortar” structure possess high mechanical robustness, outstanding antioxidant activity, tailored electronic conductivity, outstanding antioxidant properties and efficient photothermal conversion.
A visible to near-infrared nanocrystalline organic photodetector with ultrafast photoresponse
Authors: Xu Wenzhan , Gao Yu , Qian Kun , Wang Bingzhe , Xu Rongguo , He Miao , Li Tao , Xing Guichuan , Yang Shihe , Wei Guodan
Published: May 2022

A high performance organic photodetector with an ultrafast photoresponse of 1.8 μs, a high responsivity of 680 mA W−1 and a detectivity of 6.35 × 1013 Jones was fabricated. The small Frenkel exciton binding energy ensures that excitons can be efficiently dissociated.
Semitransparent near-infrared Sn–Pb hybrid perovskite photodetectors
Authors: Moeini Arghanoon , Martínez-Sarti Laura , Zanoni Kassio P. S. , Sessolo Michele , Tordera Daniel , Bolink Henk J.
Published: May 2022

We report semitransparent NIR perovskite photodetectors based on tin–lead hybrid perovskites, by using very thin film perovskite layers and transparent indium tin oxide electrodes.
Toward real-world applications: promoting fast and efficient photoswitching in the solid state
Authors: Sun Fanxi , Wang Dongsheng
Published: May 2022

This perspective focuses on the key challenges blocking the development of photoresponsive materials, and shows a guidance value for systematically designing solid-state photoresponsive materials.
Boosting the efficiency and stability of green InP quantum dot light emitting diodes by interface dipole modulation
Authors: Wang Yimin , Wu Qianqian , Wang Lin , Sun Zhongjiang , Cao Fan , Kong Lingmei , Li Lufa , Zhang Chengxi , Wang Sheng , Zhang Zhijun , Yang Xuyong
Published: May 2022

We employed a multifunctional interlayer of phenylethylammonium bromide (PEABr): methylammonium bromine (MABr) to modulate the interfacial charge transfer in green InP QLEDs, which realizes an EQE of 7.8% and an operational lifetime of over 400 h.
Andrographolide in atherosclerosis: integrating network pharmacology and in vitro pharmacological evaluation
Authors: Shi Shuai , Ji Xinyu , Shi Jingjing , Shi Shuqing , She Fei , Zhang Qiuyan , Dong Yu , Cui Hanming , Hu Yuanhui
Published: May 2022

Objective: Andrographis paniculata (Burm.f.) Nees is a medicinal plant that has been traditionally used as an anti-inflammatory and antibacterial remedy for several conditions. Andrographolide (AG), the active constituent of A. paniculata (Burm.f.) Nees, has anti-lipidic and anti-inflammatory properties as well as cardiovascular protective effects. The present study aimed to explore the effects of AG on the progression of atherosclerosis and to investigate related mechanisms via network pharmacology.

Materials and methods: Compound-related information was obtained from the PubChem database. Potential target genes were identified using STITCH, SwissTargetPrediction, Bioinformatics Analysis Tool for Molecular mechANism of Traditional Chinese Medicine, and Comparative Toxicogenomics Database. Genes involved in atherosclerosis were obtained from DisGeNet and compared with AG target genes to obtain an overlapping set. Protein–protein interactions were determined by STRING. Gene ontology (GO) analysis was performed at WebGestalt, and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment was analyzed using Metascape. The final network showing the relationship between compounds, targets, and pathways was constructed using Cytoscape. After that, oxLDL-induced RAW264.7 cells were used to further validate a part of the network pharmacology results.

Result: Eighty-one potential AG target genes were identified. PPI, GO, and KEGG enrichment revealed genes closely related to tumor progression, lipid transport, inflammation, and related pathways. AG improves the reverse cholesterol transport (RCT) through NF-κB/CEBPB/PPARG signaling in oxLDL-induced RAW264.7 cells.

Conclusion: We successfully predict AG’s potential targets and pathways in atherosclerosis and illustrate the mechanism of action. AG may regulate NF-κB/CEBPB/PPARG signaling to alleviate atherosclerosis.
Promoting mitochondrial fusion in doxorubicin-induced cardiotoxicity: a novel therapeutic target for cardioprotection
Authors: Maneechote Chayodom , Khuanjing Thawatchai , Ongnok Benjamin , Arinno Apiwan , Prathumsap Nanthip , Chunchai Titikorn , Arunsak Busarin , Nawara Wichwara , Chattipakorn Siriporn C. , Chattipakorn Nipon
Published: May 2022

Changes in mitochondrial dynamics have been recognized as being one of the mechanisms related to cardiotoxicity following a high cumulative dose of doxorubicin (DOX). A mitochondrial division inhibitor-1 (Mdivi-1) and fusion promoter (M1) have been shown to be cardioprotective in a variety of cardiovascular settings, however, their anticardiotoxic efficacy against DOX therapy remains unclear. We therefore investigated whether treatment with Mdivi-1 and M1 protects the heart against DOX-induced cardiotoxicity via mitochondria-targeted pathways. Male Wistar rats (n=40) received DOX (3 mg/kg, six doses, n=32) or 3% dimethylsulfoxide (DMSO) in the normal saline solution (NSS) (n=8) as a control. DOX-injected rats were given one of four treatments beginning with the first DOX injection via intraperitoneal injection: 1) 3% DMSO in NSS (n=8), 2) Mdivi-1 (1.2 mg/kg per day, n=8), 3) M1 (2 mg/kg per day, n=8), and 4) Mdivi-1+M1 (n=8) for 30 days. Cardiac function, mitochondrial function, oxidative stress, myocardial injury, and protein expression associated with inflammation, autophagy, mitophagy, apoptosis, and mitochondrial dynamics were determined. DOX caused a significant deterioration in mitochondrial function and dynamic regulation, and an increase in markers of oxidative stress, inflammation, myocardial injury, apoptosis, autophagy, and mitophagy, resulting in impaired cardiac function. Cotreatment of DOX with Mdivi-1, M1, or a combination of the two mitigated these detrimental effects of DOX. These findings imply that either inhibiting fission or promoting fusion of mitochondria protects the heart from DOX-induced myocardial damage. Modulation of mitochondrial dynamics could be a novel therapeutic target in alleviating DOX-induced cytotoxic effects without compromising its anticancer efficacy.
Diminished Rbfox1 increases vascular constriction by dynamically regulating alternative splicing of CaV1.2 calcium channel in hypertension
Authors: Song Miaomiao , Hou Wei , Mustafa Atta Ul , Li Pengpeng , Lei Jianzhen , Zhou Yingying , Ji Li , Sun Yu , Zhou Hongmei , Xu Yinyan , Wang Juejin
Published: May 2022

Calcium influx from depolarized CaV1.2 calcium channels triggers the contraction of vascular smooth muscle cells (VSMCs), which is important for maintaining vascular myogenic tone and blood pressure. The function of CaV1.2 channel can be subtly modulated by alternative splicing (AS), and its aberrant splicing involves in the pathogenesis of multiple cardiovascular diseases. The RNA-binding protein Rbfox1 is reported to regulate the AS events of CaV1.2 channel in the neuronal development, but its potential roles in vascular CaV1.2 channels and vasoconstriction remain undefined. Here, we detect Rbfox1 is expressed in rat vascular smooth muscles. Moreover, the protein level of Rbfox1 is dramatically decreased in the hypertensive small arteries from spontaneously hypertensive rats in comparison with normotensive ones from Wistar-Kyoto rats. In VSMCs, Rbfox1 could dynamically regulate the AS of CaV1.2 exons 9* and 33. By whole-cell patch clamp, we identify knockdown of Rbfox1 induces the hyperpolarization of CaV1.2 current–voltage relationship curve in VSMCs. Furthermore, siRNA-mediated knockdown of Rbfox1 increases the K+-induced constriction of rat mesenteric arteries. In summary, our results indicate Rbfox1 modulates vascular constriction by dynamically regulating CaV1.2 alternative exons 9* and 33. Therefore, our work elucidates the underlying mechanisms for CaV1.2 channels regulation and provides a potential therapeutic target for hypertension.
A new approach in electromagnetic plane wave diffraction by two concentric slotted cylinders with variably placed slits: E and H polarized cases
Authors: Karaçuha Kamil , Tabatadze Vasil , Alperen Ömer Faruk , Veliev Eldar
Published: May 2022

The study investigates the electromagnetic plane wave diffraction by two concentric slotted cylinders with variably placed slits. Unlike the previous studies, the effect of rotation on the resonance characteristics and near‐field distributions is analyzed in the present work, which is not studied yet. The study focuses on diffraction by both E‐ and H‐polarized plane waves. A semi‐analytical method is preferred to obtain the physical properties such as resonances and near and far‐field radiation patterns. The advantage of the method is to employ the analytical and numerical tools together. Due to having both E‐ and H‐polarized plane waves, Dirichlet and Neumann Boundary conditions are considered and analyzed, respectively. After obtaining the mathematical expressions for the current density, near and far‐field, and total radar cross‐section, the different results are compared with the Method of Moment and the Method of Auxiliary Sources. The comparison demonstrates that the proposed method coincides with other well‐known methods. The outcomes reveal that the aperture size and the rotation angle have a significant role in the radiation characteristics.
An effective utilization scheme for regenerative braking energy based on power regulation with a genetic algorithm
Authors: Che Cheng , Wang Yanwen , Lu Qiwei , Peng Jingjing , Liu Xianghong , Chen Yang , He Bangbang
Published: May 2022

To ensure that regenerative braking energy is fully utilized by traction trains in the whole railway power supply systems, an effective utilization scheme of the regenerative braking energy based on power regulation with a genetic algorithm (GA) is proposed in this paper. This scheme consists of railway power conditioners (RPCs), energy transfer converters (ETCs) and a central controller. A RPC connects the two power arms of each TS, and an ETC connects the two power arms of each section post (SP). The RPCs and ETCs are controlled to transfer the regenerative braking power distributed by the central controller, which is calculated by the GA. The detailed calculation steps are described. Moreover, the principle and control strategies of the negative sequence current compensation by the RPCs are given based on the optimization results of the GA. Finally, optimization calculations and hardware in loop (HIL) experiments were performed. The results show that the utilization rate of regenerative braking energy is about 93.3% and the three‐phase current imbalance is reduced by about 98.6% in the case system with the proposed scheme. This result verifies the effectiveness and feasibility of the proposed scheme.
Power system modelling as stochastic functional hybrid differential‐algebraic equations
Authors: Milano Federico , Liu Muyang , Murad Mohammed A. A. , Jónsdóttir Guðrún M. , Tzounas Georgios , Adeen Muhammad , Ortega Álvaro , Dassios Ioannis
Published: May 2022

This paper presents the software tools developed for the research project Advanced Modelling for Power System Analysis and Simulation (AMPSAS) funded by Science Foundation Ireland from 2016 to 2021. The main objective of AMPSAS was the development of novel analytical and computational tools to understand, efficiently design, and optimise ever‐changing modern power systems and smart grids, through model‐based approaches. In particular, the paper discusses (i) stochastic differential equations for modelling power systems, which are subject to large stochastic perturbations (e.g. wind and solar generation); (ii) the effect of controller and modelling imperfections, for example, delays, discontinuities, and digital signals, on both local and area‐wide regulators in power systems; and (iii) the stability analysis and dynamic performance of power systems modelled through stochastic, delay and hybrid implicit differential‐algebraic equations. The software tool developed during the execution of AMPSAS integrates areas of applied mathematics, automatic control, and computer science. Several implementation features and open challenges of this software tool are also discussed in the paper. A variety of examples that illustrates the features of this software tool are based on a dynamic model of the all‐island Irish transmission system.
Spinning nano-carbon grains: Viable origin for anomalous microwave emission
Authors: Ysard N. , Miville-Deschênes M.-A. , Verstraete L. , Jones A. P.
Published: May 2022

Context.Excess microwave emission, commonly known as anomalous microwave emission (AME), is now routinely detected in the Milky Way. Although its link with the rotation of interstellar (carbonaceous) nano-grains seems to be relatively well established at cloud scales, large-scale observations show a lack of correlation between the different tracers of nano-carbons and AME, which has led the community to question the viability of this link.

Aims.Using ancillary data and spinning dust models for nano-carbons and nano-silicates, we explore the extent to which the AME that come out of the Galactic Plane might originate with one or another carrier.

Methods.In contrast to previous large-scale studies, our method is not built on comparing the correlations of the different dust tracers with each other, but rather on comparing the poor correlations predicted by the models with observed correlations. This is based on estimates that are as realistic as possible of the gas ionisation state and grain charge as a function of the local radiation field and gas density.

Results.First, nano-carbon dust can explain all the observations for medium properties, in agreement with the latest findings about the separation of cold and warm neutral medium in the diffuse interstellar medium. The dispersion in the observations can be accounted for with little variations in the dust size distribution, abundance, or electric dipole moment. Second, regardless of the properties and abundance of the nano-silicate dust we considered, spinning nano-silicates are excluded as the sole source of the AME. Third, the best agreement with the observations is obtained when the emission of spinning nano-carbons alone is taken into account. However, a marginal participation of nano-silicates in AME production cannot be excluded as long as their abundance does not exceedYSi∼ 1%.
Monitoring the elimination of gambiense human African trypanosomiasis in the historical focus of Batié, South–West Burkina Faso
Authors: Compaoré Charlie Franck Alfred , Kaboré Jacques , Ilboudo Hamidou , Thomas Lian Francesca , Falzon Laura Cristina , Bamba Mohamed , Sakande Hassane , Koné Minayégninrin , Kaba Dramane , Bougouma Clarisse , Adama Ilboudo , Amathe Ouedraogo , Belem Adrien Marie Gaston , Fèvre Eric Maurice , Büscher Philippe , Lejon Veerle , Jamonneau Vincent
Published: May 2022

The World Health Organisation has targeted the elimination of human African trypanosomiasis (HAT) as zero transmission by 2030. Continued surveillance needs to be in place for early detection of re-emergent cases. In this context, the performance of diagnostic tests and testing algorithms for detection of the re-emergence of Trypanosoma brucei gambiense HAT remains to be assessed. We carried out a door-to-door active medical survey for HAT in the historical focus of Batié, South–West Burkina Faso. Screening was done using three rapid diagnostic tests (RDTs). Two laboratory tests (ELISA/T. b. gambiense and immune trypanolysis) and parasitological examination were performed on RDT positives only. In total, 5883 participants were screened, among which 842 (14%) tested positive in at least one RDT. Blood from 519 RDT positives was examined microscopically but no trypanosomes were observed. The HAT Sero-K-Set test showed the lowest specificity of 89%, while the specificities of SD Bioline HAT and rHAT Sero-Strip were 92% and 99%, respectively. The specificity of ELISA/T. b. gambiense and trypanolysis was 99% (98–99%) and 100% (99–100%), respectively. Our results suggest that T. b. gambiense is no longer circulating in the study area and that zero transmission has probably been attained. While a least cost analysis is still required, our study showed that RDT preselection followed by trypanolysis may be a useful strategy for post-elimination surveillance in Burkina Faso.
Diversity and seasonal abundance of Culicoides (Diptera, Ceratopogonidae) in Shizong County, Yunnan Province, China
Authors: Duan Ying Liang , Bellis Glenn , Liu Bing Gang , Li Le
Published: May 2022

Culicoides (Diptera, Ceratopogonidae) are small biting midges, some of which are vectors for animal associated arboviruses such as bluetongue virus (BTV) and Akabane virus (AKAV). BTV and AKAV are both pathogenic for livestock, with BTV in particular posing a major threat to domestic ruminants. Ongoing problems with BTV in ruminants in Shizong County of Yunnan Province, China, promoted a year-long investigation of the Culicoides in Shizong to determine relative abundance and seasonality of midges and to attempt to identify species that might be acting as vectors in the area. Culicoides were collected by UV light trap for one night per week for most weeks between May 2020 and May 2021. More than 21,000 specimens consisting of at least 21 species belonging to six subgenera and one unplaced group, including 5 species previously associated with BTV and one associated with AKAV, were collected. Culicoides tainanus dominated most collections throughout the year although C. sumatrae was often the dominant species over summer. Most species were abundant between May and October. These results indicate that C. tainanus, C. jacobsoni and C. oxystoma are the major midge pests of livestock in Shizong and should be considered in any disease investigation.
La responsabilité sociale en santé : référents conceptuels, valeurs et suggestions pour l’apprentissage. Une revue méthodique et systématique de la littérature
Authors: Hatem Marie , Sanou Aboubakary , Millette Bernard , de Rouffignac Ségolène , Sebbani Majda
Published: May 2022

Contexte et problématique :Certains auteurs datent les références historiques de la responsabilité sociale en santé (RSS) d’aussi loin que le serment hippocratique. De la multitude de termes et définitions, la prédominance de certaines références a mis en exergue ce qu’est cette notion en termes de concepts, valeurs et compétences.Objectif :Le but du présent article était de contribuer à l’élaboration, à partir des différentes sources recensées, d’une définition et d’un contenu de la RSS, à utiliser pour la formation du personnel de santé en partant de la question : qu’est-ce qu’un clinicien, un chercheur, un gestionnaire socialement responsable en santé ?Méthodes :Une revue méthodique et systématique de la littérature a été effectuée. Les sources de données bibliographiques en ligne explorées couvrent :Medline,Embase,EBM ReviewsetCochrane LibraryetCochrane Database of Systematic Reviews,ACP Journal Club,Database of Abstracts of Reviews of Effects,Cochrane Clinical Answers,Cochrane Central Register of Controlled Trials,Cochrane Methodology Register,Health Technology Assessment,NHS Economic Evaluation Database,Ovid Medline®.Résultats :Parmi 1154 documents identifiés, 127 ont été retenus. La RSS se réfère prioritairement à la prise en compte des besoins des communautés. La documentation de l’OMS a servi de référence à 45 % des définitions et 40 % des valeurs. Seuls deux écrits évoquaient la durabilité environnementale.Discussion et conclusion :Une notion de RSS à promouvoir intègrerait les engagements et concepts développés dans le domaine de la santé, les valeurs humaines, les compétences professionnelles, les questions de comptes à rendre en matière économique et la durabilité.
Restricted Hamming–Huffman trees
Authors: Lin Min C. , Oliveira Fabiano S. , Pinto Paulo E. D. , Sampaio Moysés S. , Szwarcfiter Jayme L.
Published: May 2022

We study a special case of Hamming–Huffman trees, in which both data compression and data error detection are tackled on the same structure. Given a hypercubeQnof dimensionn, we are interested in some aspects of its vertex neighborhoods. For a subsetLof vertices ofQn, the neighborhood ofLis defined as the union of the neighborhoods of the vertices ofL. The minimum neighborhood problem is that of determining the minimum neighborhood cardinality over all those setsL. This is a well-known problem that has already been solved. Our interest lies in determining optimal Hamming–Huffman trees, a problem that remains open and which is related to minimum neighborhoods inQn. In this work, we consider a restricted version of Hamming–Huffman trees, called [k]-HHT s, which admit symbol leaves in at mostkdifferent levels. We present an algorithm to build optimal [2]-HHT s. For uniform frequencies, we prove that an optimal HHT is always a [5]-HHT and that there exists an optimal HHT which is a [4]-HHT . Also, considering experimental results, we conjecture that there exists an optimal tree which is a [3]-HHT .
À la recherche de la romanité du français
Authors: Buchi Éva
Published: May 2022

Le français est une langue romane, personne n’en doute. Mais quels sont les traits que le français a hérités du protoroman, et lui confèrent donc ce statut de langue néolatine ? La présente conférence tente de répondre à cette question du point de vue tour à tour phonologique, morphologique, lexical et syntaxique.In fine, elle se pose la question de l’intérêt des études qui considèrent le français devant la toile de fond des langues romanes.
Foisonnement nominal et coréférence dans le texte spécialisé
Authors: Van Campenhoudt Marc
Published: May 2022

Comparé au roman et au récit de voyage littéraire, l’écrit soigné en langue spécialisée se caractérise généralement par une plus grande proportion de substantifs, d’adjectifs et de prépositions, au détriment des catégories verbales et pronominales. Cette caractéristique semble transcender bien des sous-genres (médical, juridique, maritime…) et se retrouve, par exemple en droit international. La prédominance de la catégorie nominale, manifestement liée au figement terminologique et à la condensation syntaxique, va souvent de pair avec des taux de répétitions élevés. Ces répétitions semblent moins liées à des anaphores lexicales qu’à l’usage de chaînes de références ou de rafales de mots. Sous cet angle, l’écriture spécialisée peut être caractérisée par le contournement de l’anaphore pronominale ou possessive que privilégierait une écriture conforme à la norme littéraire et scolaire du français, qui combat la répétition.
« Genre de discours » et/ou « formation discursive » : quelle articulation ?
Authors: Sitri Frédérique
Published: May 2022

Cette contribution se propose de revenir sur deux catégories qui apparaissent centrales en analyse du discours pour penser l’articulation du discours et de son « extérieur » : la « formation discursive » et le « genre de discours ». Après avoir rappelé comment et pourquoi, dans l’histoire de l’analyse du discours, la seconde catégorie est apparue plus opératoire que la première, nous essaierons de montrer, en nous appuyant sur une recherche portant sur des rapports éducatifs, comment l’on peut, en partant des « genres », saisir des déterminations liées aux « formations discursives ».
Evaluation des attentes discursives : étude de cas et pistes méthodologiques
Authors: Cislaru Georgeta , Joseph Tiago
Published: May 2022

Cet article aborde la question des attentes discursives et des conditions de prédictibilité du discours. Partant de l’idée que toute production langagière est (pré)déterminée par des normes et des schémas, nous cherchons à mettre au jour leurs mécanismes de fonctionnement/dysfonctionnement. Or, la complexité des paramètres discursifs rend l’entreprise hasardeuse et nécessite le développement de méthodes adaptées. Dans cette première étape de notre travail, nous partons d’une enquête où les répondants évaluent les réponses formulées dans le cadre de deux interview politiques. L’analyse des évaluations proposées par les répondantes esquisse la saillance de quelques mécanismes discursifs qui appellent toutefois à être mis à l’épreuve d’autres corpus.
Organisations & fonctions du comportement verbal de type « backchannels » dans l’interaction clinique avec la personne souffrant de schizophrénie
Authors: Lecomte Amandine , Buchel Samuel , Franck Nicolas , Demily Caroline , Amblard Maxime , Musiol Michel
Published: May 2022

Dans cette étude de corpus, on aborde la question du comportement dialogique de soutien en entretien clinique avec le patient souffrant de schizophrénie. Nous partons de l’analyse des interactions langagières, en présupposant que le cadre spécifique de l’interaction verbale de type clinique est un lieu d’expression privilégié de “comportement dialogique de soutien”. Sur la base d’une exploration empirique, nous proposons l’élaboration d’un modèle interlocutoire dynamique de ce que l’on pourrait interpréter comme une forme d’écoute attentive, de soutien, en nous basant notamment sur des indicateurs lexicaux particuliers que sont les backchannels. Nous décrivons les différents types d’organisation discursive au sein desquelles les interlocuteurs adoptent un comportement de soutien manifeste. Nous extrayons les propriétés des configurations discursives au sein desquelles le comportement de soutien de l’un des interlocuteurs (la psychologue, par exemple) a pour effet d’amener le locuteur (le patient, par exemple) à modifier sa stratégie argumentative. Les analyses empiriques portent sur la totalité du temps d'enregistrement de 10 entretiens réalisés avec des personnes souffrant de schizophrénie (recueillis en hôpital psychiatrique) et 10 entretiens réalisés avec des sujets témoins.
Expression du sujet et ordre des mots en français : les subordonnées pionnières de l’évolution
Authors: Prévost Sophie
Published: May 2022

De nombreuses études typologiques s’accordent sur le fait que les subordonnées présentent un caractère conservateur au regard des principales déclaratives, lesquelles seraient pionnières dans les changements, en particulier syntaxiques. Parmi les nombreux changements qu’a connu le français, trois – systématisation de l’expression du sujet, progressions de la position préverbale du sujet et de l’ordre SVO – en partie liés, offrent une image pourtant bien différente, dans la mesure où les subordonnées ont au contraire devancé les principales déclaratives. Après avoir rappelé les modalités de ces trois changements, le présent article esquisse des pistes pour rendre compte du caractère « atypique » du rapport entre principales déclaratives et subordonnées en ce qui concerne ces changements.
Il n'y a plus beau sous ciel : l'hyperbole géographique, caractéristique du roman médiéval
Authors: Horváthy Sára
Published: May 2022

Le héros romanesque médiéval est caractérisé par le dépassement. La langue médiévale exprime ces excès chevaleresques par une technique rhétorique bien connue depuis l’Antiquité, utilisée de nos jours encore, l’hyperbole. L’hyperbole dans la littérature médiévale est courante, mais peu étudiée. L’objectif de l’étude est de montrer, dans le roman médiéval, les constructions linguistiques et les contextes d’usage de cette figure de style, plus précisément de l’hyperbole formée avec une construction existentielle le plus souvent à la forme négative et un complément circonstanciel de lieu. Se basant sur un corpus de romans en vers, la recherche lexicale, linguistique et stylistique cherche à dégager des traits génériques ainsi que des caractéristiques individuelles. Les tournures hyperboliques formées des lexiesmonde, siecle, terre, païs, sous cielont été relevées et analysées, de même que les formules recourant à des localisations géographiques plus précises (Alep, Babylone, Rome). L’hyperbole n’est pas seulement une construction linguistique à repérer pour l’étude diachronique de la langue ; sur le plan cognitif, elle témoigne de la cohésion culturelle ; sur le plan narratif, elle joue un rôle majeur, permet la prolepse et devient une véritable isotopie énonciative du narrateur. Par sa présence dans le discours romanesque médiéval, l’hyperbole participe au processus de fabrication du héros.
Analyse critique du traitement de l’apposition dans la grammaticographie contemporaine
Authors: Gregov Nicolas
Published: May 2022

L’objectif de cette contribution est d’étudier la manière dont la grammaticographie contemporaine définit l’apposition. Nous analysons le traitement de la notion par cinq grammaires récentes, à savoir le Bon usage (2016), la Grammaire critique (2010), la Grammaire méthodique (2021), la Grammaire française de Piron (2013) et la Grande Grammaire du français (2021). Chacun des ouvrages est analysé systématiquement en vue de présenter leur architecture théorique (« unité maximale de référence » et relations fondamentales) et les stratégies permettant de définir l’apposition (critères définitoires, composantes linguistiques et relation avec les parties du discours). L’étude démontre que l’apposition est non seulement un terme polysémique, mais qu’elle met aussi en évidence la logique des modèles tout en soulignant leurs limites.
Définir une catégorie lexicale : le cas du lexique social
Authors: Denuc Corentin
Published: May 2022

Il semble possible de regrouper des mots comme chef, démocratie, frontière, payer ou état au sein d’une même catégorie lexicale. En apparence, ils désignent et décrivent tous des réalités sociales ou institutionnelles. Mais servent-ils vraiment à cela ? Nous pensons, au contraire, que le lexique social ne communique aucun contenu descriptif. Ce sont des contenus déontiques que ces mots permettent d’exprimer. Leur signification peut être représentée par des schémas argumentatifs et déontiques du type de X donc devoir faire Y. Le chef, c’est celui qui donne des ordres et à qui l’on doit donc obéir. Nous entreprenons de décrire ces contenus à l’aide de la Théorie des Blocs Sémantiques qui est une théorie sémantique structuraliste développée par Marion Carel dans la lignée de la sémantique argumentative de Jean-Claude Anscombre et Oswald Ducrot. Notre corpus est constitué de différents d’emplois des quelques mots cités plus haut dans des messages trouvés sur Twitter.
L’accès au vocabulaire en L1 et L2 des enfants bilingues franco-turcs en France âgés de 6 à 10 ans
Authors: Ertek Betül , Akinci Mehmet-Ali
Published: May 2022

Vocabulary access in L1 and L2 of French-Turkish bilingual children in France aged 6 to 10 years.Many researches on bilingualism of children from immigrant families show low is their vocabulary in L1 and L2 compared to their monolingual peers (Zablit & Trudeau, 2008; Treffers-Dalleret al., 2007). This paper precisely focuses on vocabulary access in Turkish (L1) and French (L2) in oral production and comprehension of French-Turkish bilingual children at first, third and fifth grades at a primary school in France, in comparison with their monolingual French and Turkish peers. To do this, the German testWortschatz- und Wortfindungstest für 6- bis 10-Jährige(Glück, 2011) was used. The results of bilinguals show a better level in L1 in the first grade and then a notable amelioration in L2 in the third grade and that the lexical gaps between the two languages is significantly reduced in the fifth grade. In the linguistic repertoire of bilinguals’, phenomena as interference, interlanguage as well as transformation of L1 with borrowings from L2 was observed. Although bilinguals’ total vocabulary is lower in the first grade, this delay is caught up in the third grade. According to the Pearsonet al., (1993) correlation coefficient, there is a strong and positive correlation between two languages: the more we promote L1 development, the more we promote L2.
Verbes spécialisés et perspective diachronique : une analyse de quelques formes du Dictionnaire de Félibien
Authors: Cetro Rosa
Published: May 2022

Le regain d’intérêt pour la terminologie de la part des linguistes dans les trente dernières années a entrainé une ouverture vers des aspects jusque-là peu explorés, comme la dimension diachronique et l’étude des verbes. Dans cette contribution, nous nous proposons d’étudier un ensemble de verbes du discours artistique faisant partie de la nomenclature du dictionnaire annexé au traité Des Principes de l’Architecture, de la Sculpture et de la Peinture et des autres Arts qui en dépendent (1676) d’André Félibien. La méthode employée est celle d’un lexique-grammaire sémantisé.
Éléments sur l’implicite dans la poésie de la Pléiade : pour une approche figurale et énonciative
Authors: Meng Yao , Wang Zhichao
Published: May 2022

Visant à ennoblir la langue française, la poésie de la Pléiade est perçue par la critique littéraire française comme ambitieuse et provocatrice, si bien que la question de l’implicite y est souvent négligée. Cependant, nous considérons que la question de l’implicite touche à celle de la philosophie de l’amour et de son expression poétique. Au XVIe siècle, les membres de la Pléiade ont beaucoup recours aux figures de style et développent notamment les « figures de sens », les « figures de pensée » et les figures de contradiction qui mettent en oeuvre un travail à la fois lexical et sémantique. En nous appuyant sur leurs traités rhétoriques et poétiques, nous proposons de réévaluer l’apport sémantique et l’éthique des figures de la poésie amoureuse. En nous attachant à l’étude des unités lexicales qui constituent les figures de style et aux méthodes de l’analyse énonciative, nous rechercherons les manifestations de l’implicite dans la construction lexicale des figures et leur dimension énonciative, en particulier à travers les épithètes subjectives et les adressages différents de la répétition des déictiques.
Approcher l’écriture du français au préscolaire en développant des procédures linguistiques efficientes
Authors: Guerrouache Céline , David Jacques
Published: May 2022

Cet article s’inscrit dans une recherche plus large qui analyse l’acquisition de l’écriture du français par de jeunes élèves, dans le cadre de pratiques régulières d’écritures approchées. La présente étude compare deux corpus comprenant les écrits et explications associées d’une soixantaine d’élèves ayant pratiqué ces écritures approchées tout au long d’une année scolaire, avec autant d’élèves qui n’en n’ont pas bénéficié. Les élèves des deux groupes sont scolarisés dans deux écoles de la banlieue ouest de Paris, inscrites en Réseau d’éducation prioritaire. En fin d’année scolaire, les résultats montrent que les élèves du premier groupe, dont les enseignantes ont été formées à ces écritures approchées, développent des compétences scripturales et métalinguistiques bien supérieures aux seconds. Ils investissent plus rapidement et massivement le domaine phonographique et en perçoivent les formes linguistiques régulières ou non, tout en intégrant d’autres composantes spécifiques comme la morphographie. À l’inverse, les élèves du deuxième groupe, non initiés à ces activités d’écriture-encodage autonomes, évoluent peu dans leurs conceptions de l’écriture de leur langue ; ils se contentent d’inscrire des graphes sans lien avec l’oral et souvent sans visée sémiographique. Cette étude prolonge et précise de précédentes recherches qui montrent que ces activités d’écriture avec un étayage de l’enseignant, les verbalisations explicatives des élèves et un retour à la norme ont un impact positif sur l’acquisition de la lecture-écriture.