Chemistry - An Asian Journal最新文献

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Amino-Terephthalonitrile and Amino-Terephthalate-Based Single Benzene Fluorophores - Compact Color Tunable Molecular Dyes for Bioimaging and Bioanalysis. 氨基对苯二腈和氨基对苯二酸单苯荧光团--用于生物成像和生物分析的紧凑型颜色可调分子染料。
IF 3.5 3区 化学
Chemistry - An Asian Journal Pub Date : 2024-09-06 DOI: 10.1002/asia.202400898
Tanya Raghava, Subhadeep Banerjee
{"title":"Amino-Terephthalonitrile and Amino-Terephthalate-Based Single Benzene Fluorophores - Compact Color Tunable Molecular Dyes for Bioimaging and Bioanalysis.","authors":"Tanya Raghava, Subhadeep Banerjee","doi":"10.1002/asia.202400898","DOIUrl":"https://doi.org/10.1002/asia.202400898","url":null,"abstract":"<p><p>This review article discusses the emerging amino-terephthalonitrile (Am-TN) and amino terephthalate-based single benzene fluorophores (SBFs) for their highly emissive nature and potential for numerous technical applications. Am-TN-SBFs are a new class of SBFs having amine as the electron donating (EDG) and dinitrile as the electron withdrawing group (EWG). The beauty of these Am-TN-SBFs lies in excellent intramolecular charge transfer between the EDG and EWG. The placement of two nitrile groups in para-position on the benzene ring allows better charge transfer from the donating amines to the linear nitrile group leading to the strongly emissive nature. We also outline here the latest developments in the well-known family of amino terephthalate SBFs reported in the last 2 to 3 years. Amino terephthalate SBFs have esters as the EWG and amine as the EDG. These have intramolecular H-bonding between the EDG and EWG which is responsible for their emissive behavior.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2024-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142138735","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Constructing a non-noble metal WC/CaIn2S4 Schottky heterojunction photocatalyst for enhanced photocatalytic H2 production. 构建非贵金属 WC/CaIn2S4 肖特基异质结光催化剂,提高光催化 H2 产率。
IF 3.5 3区 化学
Chemistry - An Asian Journal Pub Date : 2024-09-06 DOI: 10.1002/asia.202400901
Wenjun Jiang, Liang Zhou, Tan Phong Nguyen, Lingzhi Wang, Jinlong Zhang, Yongdi Liu, Juying Lei
{"title":"Constructing a non-noble metal WC/CaIn2S4 Schottky heterojunction photocatalyst for enhanced photocatalytic H2 production.","authors":"Wenjun Jiang, Liang Zhou, Tan Phong Nguyen, Lingzhi Wang, Jinlong Zhang, Yongdi Liu, Juying Lei","doi":"10.1002/asia.202400901","DOIUrl":"https://doi.org/10.1002/asia.202400901","url":null,"abstract":"<p><p>To take the pronounced issue of recombination among photogenerated electrons and holes in the photocatalytic reaction, we report a WC/CaIn2S4 Schottky heterojunction photocatalyst using a straightforward one-step hydrothermal method and applied it for the enhanced hydrogen evolution reaction in photocatalysis. A stable Schottky energy barrier can be formed by closely connecting the metal-like WC with the n-type semiconductor CaIn2S4, accelerating the migration of photogenerated carriers. Meanwhile, WC can lower the overpotential for hydrogen evolution, leading to a notable enhancement in the photocatalytic hydrogen evolution rate. The hydrogen evolution rate of the optimal WC/CaIn2S4 Schottky heterojunction photocatalyst WCIS1:1 was approximately 2.3 times higher than that of Pt-loaded photocatalyst CIS+Pt. This study delves into the application significance of the Schottky heterojunction principle in the photocatalytic hydrogen production reaction. Furthermore, this study provides a novel approach to replacing noble metal Pt with metal-like WC in the field of photocatalytic hydrogen evolution.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2024-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142138736","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Revisiting the Reaction of Sulfur Ylides with Acetylenic Esters: Synthesis of Trisubstituted 1,3-Dienes, α-Carbonyl Vinyl Sulfoxides and α-Carbonyl Vinyl Sulfoxonium Ylides. 重温硫酰化物与乙炔酯的反应:合成三代 1,3-二烯、α-羰基乙烯基硫醚和 α-羰基乙烯基硫酮鎓酰化物。
IF 3.5 3区 化学
Chemistry - An Asian Journal Pub Date : 2024-09-06 DOI: 10.1002/asia.202400931
Matheus P de Jesus, Antonio C B Burtoloso
{"title":"Revisiting the Reaction of Sulfur Ylides with Acetylenic Esters: Synthesis of Trisubstituted 1,3-Dienes, α-Carbonyl Vinyl Sulfoxides and α-Carbonyl Vinyl Sulfoxonium Ylides.","authors":"Matheus P de Jesus, Antonio C B Burtoloso","doi":"10.1002/asia.202400931","DOIUrl":"https://doi.org/10.1002/asia.202400931","url":null,"abstract":"<p><p>We report herein a reexamination of the reactions between sulfoxonium ylides and acetylenic esters. Continuing our previous study of conjugate additions using α-carbonyl sulfoxonium ylides, we came across an interesting transformation when dimethyl acetylenedicarboxylate (DMAD) was employed as a Michael acceptor. Trisubstituted electron-deficient 1,3-dienes and α-carbonyl vinyl sulfoxides were obtained for the first time from these sulfur ylides, in a stereoselective manner (exclusively forming the E-isomer), achieving yields of up to 70% and 83%, respectively. Selected dienes were subsequently utilized in the synthesis of novel nitrogen heterocycles. Interestingly, when di-tert-butyl acetylenedicarboxylate (DtBAD) or alkyl propiolates were evaluated, the isolated product arose from the classical Michael addition, yielding α-carbonyl vinyl sulfoxonium ylides in yields of up to 89%.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2024-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142138739","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Achieving excellent H2 evolution activity of silver nanocatalyst by a simple electrochemical treatment process. 通过简单的电化学处理工艺实现银纳米催化剂优异的 H2 演化活性。
IF 3.5 3区 化学
Chemistry - An Asian Journal Pub Date : 2024-09-06 DOI: 10.1002/asia.202400982
Phong Dinh Tran, Tien D Tran, Ly T Le, Anh D Nguyen
{"title":"Achieving excellent H2 evolution activity of silver nanocatalyst by a simple electrochemical treatment process.","authors":"Phong Dinh Tran, Tien D Tran, Ly T Le, Anh D Nguyen","doi":"10.1002/asia.202400982","DOIUrl":"https://doi.org/10.1002/asia.202400982","url":null,"abstract":"<p><p>Silver nanoparticles (AgNPs) were synthesized in an aqueous solution via the reduction of AgNO3 employing citrate reducing agent. The resultant AgNPs were first assayed for the catalytic H2 evolution in an acidic electrolyte, namely pH 0.3 H2SO4 solution, showing negligible activity. The AgNPs were then conditioned in the same electrolyte solution while repeating the cyclic potential polarization between -0.25 V and 0.95 V (or 1.8 V) versus RHE. Effects of the electrochemical treatment to the morphology, crystalline, surface chemistry and H2 evolution catalytic activity of AgNPs were examined. It was found that the electrochemical treatment remarkably boosted the H2 evolution catalytic activity of AgNPs. The electrochemically activated AgNPs represents an attractive Pt-free catalyst for the H2 evolution in acidic medium.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2024-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142138734","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Recent advancements in Fe-based catalysts for the efficient reduction of NOx by CO. 用一氧化碳高效还原氮氧化物的铁基催化剂的最新进展。
IF 3.5 3区 化学
Chemistry - An Asian Journal Pub Date : 2024-09-06 DOI: 10.1002/asia.202400802
Dianxing Lian, Mohaoyang Chen, Huanli Wang, Chenxi Li, Guiyao Dai, Botao Liu, Shujun Hou, Weiwei Zhang, Ke Wu, Yongjun Ji
{"title":"Recent advancements in Fe-based catalysts for the efficient reduction of NOx by CO.","authors":"Dianxing Lian, Mohaoyang Chen, Huanli Wang, Chenxi Li, Guiyao Dai, Botao Liu, Shujun Hou, Weiwei Zhang, Ke Wu, Yongjun Ji","doi":"10.1002/asia.202400802","DOIUrl":"https://doi.org/10.1002/asia.202400802","url":null,"abstract":"<p><p>The technology of CO selective catalytic reduction of NOx (CO-SCR) showcases the potential to simultaneously eliminate CO and NOx from industrial flue gas and automobile exhaust, making it a promising denitrification method. The development of cost-effective catalysts is crucial for the widespread implementation of this technology. Transition metal catalysts are more economically viable than noble metal catalysts. Among these, Fe emerges as a prominent choice due to its abundant availability and cost-effectiveness, exhibiting excellent catalytic performance at moderate reaction temperatures. However, a significant challenge lies in achieving high catalytic activity at low temperatures, particularly in the presence of O2, SO2, and H2O, which are prevalent in specific industrial flue gas streams. This review examines the use of Fe-based catalysts in the CO-SCR reaction and elucidates their catalytic mechanism. Furthermore, it also discusses various strategies devised to enhance low-temperature conversion, taking into account factors such as crystal phase, valence states, and oxygen vacancies. Subsequently, the review outlines the challenges encountered by Fe-based catalysts and offers recommendations to improve their catalytic efficiency for use in low-temperature and oxygen-rich environments.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2024-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142138738","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Iron-Chelating Hydroxyketone Ligands Promote Degradation of Fe(III)-Tannic Acid Nanofilms. 铁螯合羟基酮配体促进铁(III)-单宁酸纳米薄膜降解
IF 3.5 3区 化学
Chemistry - An Asian Journal Pub Date : 2024-09-05 DOI: 10.1002/asia.202400864
Hyejin Joo, Seulbi Kim, Kyungran Park, Seong Yoon Jang, Kyungtae Kang, Hyungjun Kim, Ji Hun Park
{"title":"Iron-Chelating Hydroxyketone Ligands Promote Degradation of Fe(III)-Tannic Acid Nanofilms.","authors":"Hyejin Joo, Seulbi Kim, Kyungran Park, Seong Yoon Jang, Kyungtae Kang, Hyungjun Kim, Ji Hun Park","doi":"10.1002/asia.202400864","DOIUrl":"https://doi.org/10.1002/asia.202400864","url":null,"abstract":"<p><p>Polyphenols form nanofilms with transition metal ions by coordination-driven assembly. The as-formed metal-polyphenol nanofilms can degrade in the presence of chelating ligands that exhibit high stability constant with the nanofilm-forming metal ions. We have demonstrated the degradation of Fe(III)-tannic acid nanofilms with hydroxyketone ligands, such as maltol, kojic acid, and deferiprone, which exhibit high availability and excellent cytocompatibility. The concentration screening experiments have been performed with different ligand concentrations ranging from 1 mM to 25 mM. It is important to note that only deferiprone degrades Fe(III)-TA nanofilms even at 1 mM, and it retains the degradation activity at pH 7.4. The characteristic degradation activity of hydroxyketone ligands to Fe(III)-TA nanofilms may depend upon their pKa value and stability constant. The degradation studies herein are attractive for the development of biomedical applications utilizing metal-polyphenol nanofilms as a sacrificial template.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142138737","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Difluoroboron complexes as versatile precursors for steroid modification. Lumiestrone-based steroid derivatives: synthesis and structural studies. 作为甾体修饰多功能前体的二氟硼络合物。基于 Lumiestrone 的类固醇衍生物:合成与结构研究。
IF 3.5 3区 化学
Chemistry - An Asian Journal Pub Date : 2024-09-05 DOI: 10.1002/asia.202400595
Mikhail E Minyaev, Anna A Sukhanova, Mikhail A Prezent, Igor V Zavarzin
{"title":"Difluoroboron complexes as versatile precursors for steroid modification. Lumiestrone-based steroid derivatives: synthesis and structural studies.","authors":"Mikhail E Minyaev, Anna A Sukhanova, Mikhail A Prezent, Igor V Zavarzin","doi":"10.1002/asia.202400595","DOIUrl":"https://doi.org/10.1002/asia.202400595","url":null,"abstract":"<p><p>A preparation method for steroid-based difluoroboron complexes has been developed using lumiestrone as a steroid example. Previously inaccessible lumiestrone-based difluoroboron complexes annulated at positions 16 and 17 of the D ring have been prepared. Such difluoroboron complexes may have large synthetic potential for heterofunctionalization of steroids at the D ring. An application of a borylation mixture Ac2O-BF3•OEt2 significantly simplify the preparation of steroid \"dimers\" bearing two estrone moieties connected at positions 2 and 2' via a linker. Crystal structures of key representatives have been determined by X‑ray diffraction.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142131372","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Advanced PEI/PAN Membrane to Suppress Zinc Dendrite Growth in Zinc Metal Batteries. 抑制锌金属电池中锌枝晶生长的先进 PEI/PAN 膜。
IF 3.5 3区 化学
Chemistry - An Asian Journal Pub Date : 2024-09-04 DOI: 10.1002/asia.202400828
Arshad Hussain, Mostafa M Mohamed, Muhammad Omer Aijaz, Mohammad Rezaul Karim, Atif Saeed Alzahrani, Md Abdul Aziz
{"title":"Advanced PEI/PAN Membrane to Suppress Zinc Dendrite Growth in Zinc Metal Batteries.","authors":"Arshad Hussain, Mostafa M Mohamed, Muhammad Omer Aijaz, Mohammad Rezaul Karim, Atif Saeed Alzahrani, Md Abdul Aziz","doi":"10.1002/asia.202400828","DOIUrl":"https://doi.org/10.1002/asia.202400828","url":null,"abstract":"<p><p>Aqueous zinc-ion batteries (AZIBs) are a potential new technology in energy storage due to their high energy density, affordability, and environmental friendliness. Unchecked zinc dendrite formation during cycling still hinders the development of AZIBs, resulting in an unstable interface, a short cycling life, a considerable capacity decline, and security issues. Herein, we demonstrate a novel nanofiber membrane based on a polyethylenimine-polyacrylonitrile (PEI-PAN) polymer produced by electrospinning with entangled nanofibers for AZIBs applications. The as-fabricated PEI/PAN membrane has a porous structure that is homogeneous, tortuous, and linked, with high porosity and superior electrolyte wettability. The PEI/PAN membrane has good thermal stability at 200 °C and high ionic conductivity of up to 5.3 x 10-4 S cm-1. This membrane provides Zn/Zn symmetric cells with an ultralong cycle life of over 250 hours at 3 mA cm-2. Additionally, MnO2/Zn cells outperforms commercial filter paper in terms of cycle stability and rate performance. This work demonstrates a simple technique for fabricating advanced nanofiber membranes for AZIBs to modify Zn2+ deposition behavior and improve Zn dendrite resistance.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2024-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142131371","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Intermolecular sulfenoamination of alkenes with free-thiols and NIS to access β-succinimide sulfides. 用游离硫醇和 NIS 对烯进行分子间亚硫酰氨基化,以获得 β-琥珀酰亚胺硫化物。
IF 3.5 3区 化学
Chemistry - An Asian Journal Pub Date : 2024-09-04 DOI: 10.1002/asia.202400945
Wei Chen, Wanxiang Wang, Run Wu, Haiping Zhou, Pingbing Yu
{"title":"Intermolecular sulfenoamination of alkenes with free-thiols and NIS to access β-succinimide sulfides.","authors":"Wei Chen, Wanxiang Wang, Run Wu, Haiping Zhou, Pingbing Yu","doi":"10.1002/asia.202400945","DOIUrl":"https://doi.org/10.1002/asia.202400945","url":null,"abstract":"<p><p>A convenient and practical multicomponent strategy for the sulfenoamination of alkenes was realized, which using free-thiols as the sulfur-reagent, NIS both as radical initiator and an N-nucleophile. This protocol excellent in terms of transition-metal-free, good functional group tolerance, easily available substrates and facile scale-up. And provided a direct- and general way to synthesize various β-succinimide sulfides with high regioselectivity.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2024-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142131373","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multicolor Electrochemiluminescence of Binary Microcrystals of Iridium and Ruthenium Complexes. 铱和钌配合物二元微晶的多色电化学发光。
IF 3.5 3区 化学
Chemistry - An Asian Journal Pub Date : 2024-09-03 DOI: 10.1002/asia.202400987
Chun-Yun Ding, Yu-Wu Zhong
{"title":"Multicolor Electrochemiluminescence of Binary Microcrystals of Iridium and Ruthenium Complexes.","authors":"Chun-Yun Ding, Yu-Wu Zhong","doi":"10.1002/asia.202400987","DOIUrl":"https://doi.org/10.1002/asia.202400987","url":null,"abstract":"<p><p>We here report the multicolor electrochemiluminescence (ECL) of binary microcrystals prepared from a blue-emissive iridium complex 1 and an orange-emissive ruthenium complex 2. These materials display a plate-like morphology with high crystallinity, as demonstrated by microscopic and powder X-ray diffraction analyses. Under light excitation, these microcrystals exhibit gradient emission color changes as a result of the efficient energy transfer between two complexes. When modified on glass carbon electrodes, these microcrystals exhibit tunable ECLs with varied emission colors including sky-blue, white, orange, and red, depending the doping ratio of complex 2 and the applied potential. Furthermore, organic amines with different molecular sizes are used as the co-reactant to examine their influences on the ECL efficiency of the porous microcrystals of 1. The analysis on the luminance and RGB values of ECL suggests the existence of energy transfer in the generation of multicolor ECLs in these binary crystals.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142124343","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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