appl Dynamics of switching processes: general results and applications to intermittent active motion By pubs.rsc.org Published On :: Soft Matter, 2024, Accepted ManuscriptDOI: 10.1039/D4SM01054J, Paper Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Ion Santra, Deepak Gupta, Kristian S OlsenSystems switching between different dynamical phases is an ubiquitous phenomenon. The general understanding of such a process is limited. To this end, we present a general expression that captures fluctuations...The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl Biomimetic mineralization of positively charged silica nanoparticles templated by thermoresponsive protein micelles: applications to electrostatic assembly of hierarchical and composite superstructures By pubs.rsc.org Published On :: Soft Matter, 2024, Advance ArticleDOI: 10.1039/D4SM00907J, PaperNada Y. Naser, William C. Wixson, Helen Larson, Brandi M. Cossairt, Lilo D. Pozzo, François BaneyxExploiting the ability of a solid-binding elastin-like peptide to micellize, we mineralize monodisperse silica nanoparticles whose positive surface charge enables one-step electrostatic assembly of various mono- and bi-material superstructures.To cite this article before page numbers are assigned, use the DOI form of citation above.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl Govt invites applications for RBI Deputy Governor By www.thehindubusinessline.com Published On :: Mon, 04 Nov 2024 12:19:48 +0530 The appointment is for a period of three years, and the individual is qualified for reappointment. The position will have a monthly salary of Rs ₹2.25 lakh (Level-17) Full Article Economy
appl Fuchsian reduction [electronic resource] : applications to geometry, cosmology and mathematical physics / Satyanad Kichenassamy By darius.uleth.ca Published On :: Boston : Birkhauser, 2007 Full Article
appl Fundamentals of multibody dynamics [electronic resource] : theory and applications / Farid Amirouche By darius.uleth.ca Published On :: Boston : Birkhäuser, [2006] Full Article
appl Time series analysis and its applications [electronic resource] : with R examples / Robert H. Shumway, David S. Stoffer By darius.uleth.ca Published On :: New York : Springer, 2006 Full Article
appl Point process theory and applications [electronic resource] : marked point and piecewise deterministic processes / Martin Jacobsen By darius.uleth.ca Published On :: Boston : Birkhäuser, [2006] Full Article
appl Probability and partial differential equations in modern applied mathematics [electronic resource] / Edward C. Waymire, Jinqiao Duan, editors By darius.uleth.ca Published On :: New York : Springer, [2005] Full Article
appl Probability theory with applications [electronic resource] / by M.M. Rao, R.J. Swift By darius.uleth.ca Published On :: New York : Springer, ©2006 Full Article
appl Applied structural equation modeling using AMOS [electronic resource]: basic to advanced techniques / Joel E. Collie By darius.uleth.ca Published On :: New York : Routledge, 2020 Full Article
appl Structural equation modeling with AMOS [electronic resource] : basic concepts, applications, and programming / Barbara M. Byrne By darius.uleth.ca Published On :: New York, NY : Routledge/Taylor & Francis Group, 2016 Full Article
appl Geometry, Algebra, Number Theory, and Their Information Technology Applications [electronic resource] : Toronto, Canada, June, 2016, and Kozhikode, India, August, 2016 / edited by Amir Akbary, Sanoli Gun. By darius.uleth.ca Published On :: Cham : Springer International Publishing : Imprint: Springer, 2018. Full Article
appl Geometry, algebra, number theory, and their information technology applications : Toronto, Canada, June, 2016, and Kozhikode, India, August, 2016 / Amir Akbary, Sanoli Gun, editors By darius.uleth.ca Published On :: Cham, Switzerland : Springer, 2018 Full Article
appl Perverse sheaves and applications to representation theory / Pramod N. Achar. By darius.uleth.ca Published On :: Providence, Rhode Island : American Mathematical Society, [2021] Full Article
appl Finite fields, with applications to combinatorics [electronic resource] / Kannan Soundararajan. By darius.uleth.ca Published On :: Providence, Rhode Island : American Mathematical Society, [2022] Full Article
appl JEE Mains 2025: NTA addresses Aadhaar card glitches in application By www.thehindu.com Published On :: Thu, 07 Nov 2024 11:46:44 +0530 Full Article Education
appl Total synthesis of spiro Ganoderma meroterpenoids spiroapplanatumines B, D, F, and H By pubs.rsc.org Published On :: Org. Chem. Front., 2024, 11,6333-6339DOI: 10.1039/D4QO01147C, Research ArticleJia-Hao Zhang, Wen-Cai Luo, Wen-Tao Chen, Yu-Tao He, Ya-Jian HuThe first total synthesis of spiroapplanatumines B, D, F, and H as well as the possibly undiscovered natural product spiroapplanatumine R has been achieved.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl Design, synthesis and application of bipyridine-N,N'-dioxide catalysts in asymmetric synthesis of chiral cyclopropanes By pubs.rsc.org Published On :: Org. Chem. Front., 2024, 11,6470-6476DOI: 10.1039/D4QO01532K, Research ArticleXiaoying Cao, Xue Tian, Minmin Liu, Shi-Wu LiA novel type of highly efficient chiral C2-symmetric bipyridine-N,N'-dioxide ligands was prepared and successfully applied in the synthesis of optically pure 1,2,3-trisubstituted cyclopropanes.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl π-extended regioisomeric dithienoacenes fused pyrenes: structures, properties, and application in field-effect transistors By pubs.rsc.org Published On :: Org. Chem. Front., 2025, Accepted ManuscriptDOI: 10.1039/D4QO01592D, Research ArticleBin Lu, Shiqian Zhang, Dong Liu, Wendong Jin, Dalin Li, Zhiqiang Liu, Tao HeThe development of π-conjugated semiconducting molecules with fused rings has been a focus of research in organic electronics. In this study, optoelectronic and field-effect transistors (FET) properties of two novel...The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl Probing intrinsic defects of aluminium-doped CuO thin films for solar cell applications By pubs.rsc.org Published On :: RSC Adv., 2024, 14,35184-35197DOI: 10.1039/D4RA06413E, Paper Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Adithya Prakash, Vikash Mishra, Mahesha M. G.Defect-engineered Al-doped CuO thin films deposited via chemical spray pyrolysis find application in solar cell absorbers.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl Construction of a zero-dimensional halide perovskite in micron scale towards a deeper understanding of phase transformation mechanism and fluorescence applications By pubs.rsc.org Published On :: RSC Adv., 2024, 14,35490-35497DOI: 10.1039/D4RA06404F, Paper Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Lili Xie, Haiyan Qiu, Yuxin Chen, Yingxue Lu, Yanyan Chen, Lanlan Chen, Shanwen HuA zero-dimensional halide perovskite in micron scale is constructed to gain a deeper understanding of phase transformation mechanism and better fluorescence applications.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl A dual-response fluorescence sensor for SO2 derivatives and polarity and its application in real water and food samples By pubs.rsc.org Published On :: RSC Adv., 2024, 14,35638-35643DOI: 10.1039/D4RA04805A, Paper Open Access   This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Jianfeng Wang, Ruiji Li, Tao Ou, Yamin Fu, Chang Gao, Yehao YanA dual-response fluorescent probe for SO2 derivatives and polarity and their application in real samples.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl An efficient extraction device for microplastics in marine sediments and its applications By pubs.rsc.org Published On :: RSC Adv., 2024, 14,35610-35617DOI: 10.1039/D4RA04347B, Paper Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Wang Jiahan, Liu Xiaowei, Yang Feng, Yang Xiujiu, Jiao Wenguang, Tang Kai, Wang Jinli, Chen YanMicroplastics, defined as small pieces of plastic with a size less than 5 millimeters, constitute a significant sink for microplastics in marine sediments.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl Retraction: Fabrication of novel quantum dots for the estimation of COVID-19 antiviral drug using green chemistry: application to real human plasma By pubs.rsc.org Published On :: RSC Adv., 2024, 14,35696-35696DOI: 10.1039/D4RA90133A, Retraction Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Baher I. Salman, Adel Ehab Ibrahim, Sami El Deeb, Roshdy E. SarayaThe content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl Electromagnetic wave effects on Mn-doped superparamagnetic iron oxide nanofluids: applications in enhanced oil recovery By pubs.rsc.org Published On :: RSC Adv., 2024, 14,35671-35678DOI: 10.1039/D4RA04500A, Paper Open Access   This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Mohamad Amin Bin Hamid, Beh Hoe Guan, Chan Kar Tim, Hassan SoleimaniThis study reveals that both direct current (DC) and alternating current (AC) electromagnetic fields can effectively reduce the interfacial tension (IFT) of Mn-doped Fe3O4 nanofluids, with AC fields showing more predictable and pronounced effects.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl Synthesis of supramolecular polymers with calix[4]arene and β-cyclodextrin and their application in heavy metal ion absorption By pubs.rsc.org Published On :: RSC Adv., 2024, 14,35697-35703DOI: 10.1039/D4RA05559D, Paper Open Access   This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Jian-Jian Bian, Shi-Jin Tang, Jiao Miao, Rui Lin, Guo-Li Huang, Ming-Yu Teng, Xiao-Mei LiTwo categories of supramolecular polymer monomers were produced by introducing the ureidopyrimidone quadruple-hydrogen bonding assemblies on the calix[4]arene and the β-cyclodextrin host units, which adsorbed up to 99% of Pb2+ and Cd2+.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl Revolutionizing applications: the impact of controlled surface chemistry on marble powder By pubs.rsc.org Published On :: RSC Adv., 2024, 14,35727-35742DOI: 10.1039/D4RA06342B, Review Article Open Access   This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Ali Zia Noor, Sadia Bibi, Maryam Asrar, Muhammad Imran, Sadia Afzal, Sadiqa Abdal, Muhammad AtifA large amount of marble powder is abundantly available as a byproduct and waste in the marble industry, and its reinforcement has been attempted in several applications through surface modification.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl Retraction: Highly sensitive cadmium sulphide quantum dots as a fluorescent probe for estimation of doripenem in real human plasma: application to pharmacokinetic study By pubs.rsc.org Published On :: RSC Adv., 2024, 14,35992-35992DOI: 10.1039/D4RA90134G, Retraction Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Marwa F. B. Ali, Baher I. Salman, Samiha A. Hussein, Mostafa A. MarzouqThe content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl A safe and efficient synthesis of N-Boc-β3-amino acid methyl esters from α-amino acids: applications in the formal synthesis of sedum alkaloids By pubs.rsc.org Published On :: RSC Adv., 2024, 14,36016-36021DOI: 10.1039/D4RA07506D, Paper Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Bohua Long, Lijie Ren, Mengmeng Jiang, Shengquan Hu, Qianqian Jiang, Limin Li, Xuanluan Chen, Zhengzhi Wuβ3-Amino acids are essential components in the synthesis of biologically active compounds.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl Facile fabrication of g-C3N4/Bi2S3 coated melamine foam for oil/water separation applications By pubs.rsc.org Published On :: RSC Adv., 2024, 14,36132-36141DOI: 10.1039/D4RA07030E, Paper Open Access   This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Swathi A. C., Maneesh ChandranOil/water separation using g-C3N4/Bi2S3 foam.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl Applications and interventions of polymers and nanomaterials in alveolar bone regeneration and tooth dentistry By pubs.rsc.org Published On :: RSC Adv., 2024, 14,36226-36245DOI: 10.1039/D4RA06092J, Review Article Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Prashish Sharma, Sushmita Saurav, Zeba Tabassum, Bhawana Sood, Anil Kumar, Tabarak Malik, Anand Mohan, Madhuri GirdharInflammatory diseases exert a significant influence on the periodontium, serving as a primary contributor to the development of periodontitis and alveolar bone loss.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl Synthesis of green fluorescent carbon dots and their application in mercury ion detection By pubs.rsc.org Published On :: RSC Adv., 2024, 14,36273-36280DOI: 10.1039/D4RA06635A, Paper Open Access   This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Juan Hou, Qinqin Chen, Xiangzhi Meng, Huiling Liu, Wei FengGreen fluorescent carbon dots were prepared for effective detection of Hg2+ ions through fluorescence quenching, demonstrating high sensitivity and selectivity.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl Apple to announce AI wall tablet as soon as March: Report By www.thehindu.com Published On :: Wed, 13 Nov 2024 08:34:59 +0530 Apple is planning on launching a wall-mounted display that can control appliances, handle video conferencing and use artificial intelligence to navigate apps, Bloomberg News reported on Tuesday Full Article Technology
appl Bicyclic (Alkyl)(Amino)Carbenes (BICAACs): Synthesis, Characteristics, and Applications By pubs.rsc.org Published On :: Dalton Trans., 2024, Accepted ManuscriptDOI: 10.1039/D4DT02696A, PerspectiveAnkita Sharma, Unnikrishnan Nair K, Subrata KunduCarbenes in general and isolable NHCs (N-heterocyclic carbenes) in particular have been useful ligands in recent years. The emergence of CAACs [cyclic(alkyl)(amino)carbenes], BICAACs [bicyclic(alkyl)(amino)carbenes], and many other carbenes has marked...The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl The preparation of CuM/SiO2 (M=Bi, Mg, Mn) catalysts applied in ethynylation of formaldehyde for 1,4‑butynediol synthesis: the positive interface effect of CuO and Bi2O3 By pubs.rsc.org Published On :: Dalton Trans., 2024, Accepted ManuscriptDOI: 10.1039/D4DT02616K, PaperJiali Chen, Guihua Yang, Feng Gao, Rui WangThe ethynylation of formaldehyde reaction catalyzed by Cu-based catalysts is an important synthesis method for 1,4-butynediol relating to high value-added chemicals. In this work, a series of CuM/SiO2 ( M=Bi,...The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl A grain-like cerium oxide nanostructure: synthesis and uric acid sensing application By pubs.rsc.org Published On :: Dalton Trans., 2024, 53,17794-17802DOI: 10.1039/D4DT02056A, PaperRafiq Ahmad, Sakeena Masrat, Md. Tabish Rehman, Mohamed F. AlAjmi, Shamshad Alam, Prabhash Mishra, Byeong-Il LeeHydrothermally prepared grain-like CeO2 nanostructures were useful for creating a high-performance and non-enzymatic sensor for uric acid detection.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl BODIPY dyes for optical limiting applications on the nanosecond timescale By pubs.rsc.org Published On :: Dalton Trans., 2024, 53,17766-17771DOI: 10.1039/D4DT02505A, FrontierJohn Mack, Gugu Kubheka, Aviwe May, Bokolombe P. Ngoy, Tebello NyokongRecent research at the Institute for Nanotechnology Innovation at Rhodes University exploring the utility of BODIPY and azaBODIPY dyes for optical limiting of incident nanosecond laser pulses in the visible region is described.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl Modular synthesis of triphenylphosphine-derived cage ligands for rhodium-catalyzed hydroformylation applications By pubs.rsc.org Published On :: Dalton Trans., 2024, Advance ArticleDOI: 10.1039/D4DT02627F, PaperWenlong Wang, Cunyao Li, Wenhao Wang, Yuqin Qiu, Hongguang Liu, Jinlong Lu, Yizhou Zhan, Li Yan, Yunjie DingCage ligands can be easily synthesized via dynamic imine chemistry, and a specific cage ligand exhibits excellent performance in Rh-catalyzed hydroformylation reaction (TOF up to 2665 h−1 and the l/b ratio reaches 2.6).To cite this article before page numbers are assigned, use the DOI form of citation above.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl Recent Advances in Syntheses and Emerging Applications of 2D Borophene based Nanomaterials with a Focus on Supercapacitors By pubs.rsc.org Published On :: Dalton Trans., 2024, Accepted ManuscriptDOI: 10.1039/D4DT02573C, FrontierPrashanta Pal, Mahasweta NandiTwo dimensional (2D) nanosheet of boron i.e. borophene, triggered interest in progressive research as a result of the vast field of opportunities to explore, from its innovative synthetic techniques to...The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl Karnataka makes online applications mandatory for private aided school teacher recruitment By www.thehindu.com Published On :: Sun, 10 Nov 2024 18:03:16 +0530 DSEL has developed a separate app to conduct aided schools teachers’ recruitment transparently Full Article Karnataka
appl Applicability of β-lactamase entrapped agarose discs for removal of doripenem antibiotic: reusability and scale-up studies By pubs.rsc.org Published On :: Environ. Sci.: Water Res. Technol., 2024, Advance ArticleDOI: 10.1039/D4EW00572D, PaperHuma Fatima, Amrik Bhattacharya, Sunil Kumar KhareSchematic diagram illustrating antibiotic removal via β-lactamase-entrapped agarose discs in a fixed-bed column bioreactor, highlighting the potential for scale-up.To cite this article before page numbers are assigned, use the DOI form of citation above.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl Preparation and practical applications of a phosphate capture material with FeO(OH)-loaded polyurethane By pubs.rsc.org Published On :: Environ. Sci.: Water Res. Technol., 2024, Accepted ManuscriptDOI: 10.1039/D4EW00696H, PaperHao Li, Ruidong Tao, Zihan Liu, Mengjie Qu, Hui Pan, Mingming Zheng, Yunjun MeiMetal (hydro) oxide particles with efficient phosphate removal properties are widely used in the treatment of eutrophic waters (mainly phosphorus). However, the disadvantages of easy agglomeration and difficult separation limit...The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl Environmental application of dicarboxylated hairy cellulose crosslinked with calcium for removal and confining of Pb(II) By pubs.rsc.org Published On :: Environ. Sci.: Water Res. Technol., 2024, Accepted ManuscriptDOI: 10.1039/D4EW00720D, PaperTanese Montesinos-Vázquez, C. A. Galan-Vidal, Susana Rojas-Lima, Jose A. Rodriguez, Ma. Elena Páez-HernándezCellulose can be oxidised with periodate to obtain hairy cellulose, which, thanks to the aldehyde groups, facilitates chemical modification with different functional groups, such as carboxylates, which enhance interaction with...The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl BCCI tells NCLT that it will move application for withdrawal of insolvency plea against Byju’s By www.thehindu.com Published On :: Tue, 12 Nov 2024 17:45:03 +0530 Last month, Supreme Court had set aside a judgement of the National Company Law Appellate Tribunal (NCLAT) allowing a ₹158 crore settlement between ed-tech firm Byju’s with the BCCI. Full Article Industry
appl Government invites applications for RBI Deputy Governor By www.thehindu.com Published On :: Mon, 04 Nov 2024 12:17:43 +0530 Applicants should have at least 25 years of work experience in Public Administration including experience at the level of Secretary or equivalent in the Government of India Full Article Business
appl Unveiling the role of structural vacancies in Mn-based Prussian blue analogues for energy storage applications By pubs.rsc.org Published On :: Energy Environ. Sci., 2024, Advance ArticleDOI: 10.1039/D4EE01618A, PaperChongwei Gao, Ming Chen, Jiantao Li, Xunan Wang, Guobin Zhang, Xi Tan, Shuhua Zhang, Guang Feng, Dengyun Zhai, Feiyu KangIn this study, we explore two potential pathways for vacancy formation in Mn-based Prussian blue analogues, providing new insights for structural regulation.To cite this article before page numbers are assigned, use the DOI form of citation above.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl A techno-economic study of photovoltaic-solid oxide electrolysis cell coupled magnesium hydride-based hydrogen storage and transportation toward large-scale applications of green hydrogen By pubs.rsc.org Published On :: Energy Environ. Sci., 2024, 17,8429-8456DOI: 10.1039/D4EE04224G, AnalysisXusheng Wang, Longfei Shao, Shouyi Hu, Zi Li, Hangzuo Guo, Jiaqi Zhang, Yingyan Zhao, Xi Lin, Binjian Nie, Zhigang Hu, Jianxin ZouIntegrating PV-SOEC for hydrogen production with MgH2-based storage and transportation holds significant potential in advancing the hydrogen supply chain.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl A Review on Organic Nanoparticle-based Optoelectronic Devices: From Synthesis to Applications By pubs.rsc.org Published On :: Energy Environ. Sci., 2024, Accepted ManuscriptDOI: 10.1039/D4EE03575E, Review ArticleZhe Liu, Chen Xie, Thomas Heumueller, Iain McCulloch, Christoph J Brabec, Fei Huang, Yong Cao, Ning LiOver the past decades, organic optoelectronic devices have shown broad application prospects. Due to the solubility property of organic materials, the use of toxic solvent obstacles the device fabrication processing...The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl On a seamlessly replicable circular photoreactor for lab-scale continuous flow applications By pubs.rsc.org Published On :: React. Chem. Eng., 2024, Accepted ManuscriptDOI: 10.1039/D4RE00109E, PaperYi-Hsuan Tsai, Martin Cattoen, Guillaume Masson, Gabrielle Christen, Lisa Traber, Morgan Donnard, Frederic R. Leroux, Guillaume Bentzinger, Sylvain Guizzetti, Jean-Christophe M. MonbaliuA cost effective and replicable continuous flow circular photoreactor system is introduced. All body parts of the reactor are 3D-printed and the electronics are purchased from various mainstream suppliers. The...The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
appl Correction: Applying quantum mechanics to deconvolute benchtop 1H NMR reaction data By pubs.rsc.org Published On :: React. Chem. Eng., 2024, Advance ArticleDOI: 10.1039/D4RE90015D, Correction Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Jiayu Zhang, Tristan Maschmeyer, Ben Shapiro, Sunil Babu Paudel, Matthew C. Leclerc, Jason E. HeinTo cite this article before page numbers are assigned, use the DOI form of citation above.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article