Polyhedron最新文献

{"title":"Cation spin-crossover complexes of Mn(III) with 3,5-dihalogen-substituted ligands of the sal2323 family and the paramagnetic counterion [Co(pdms)2]2−","authors":"Aleksandra V. Tiunova,&nbsp;Denis V. Korchagin,&nbsp;Gennady V. Shilov,&nbsp;Yuriy V. Manakin,&nbsp;Aleksei I. Dmitriev,&nbsp;Mikhail V. Zhidkov,&nbsp;Anna V. Kazakova,&nbsp;Sergey M. Aldoshin,&nbsp;Eduard B. Yagubskii","doi":"10.1016/j.poly.2025.117568","DOIUrl":"10.1016/j.poly.2025.117568","url":null,"abstract":"<div><div>The cationic complexes of Mn(III) with the 3,5-diHal-sal₂323 ligands ((3,5-diHal-sal₂323 = N,N′-bis(3-(2-oxy-3,5-diHal-benzylideneamino)propyl)-ethylenediamine); Hal = Cl/Cl, Br/Cl, Br/Br) and a paramagnetic doubly charged counterion [Co(pdms)₂]²⁻ (H₂pdms = 1,2-bis(methanesulfonamide)benzene) have been synthesized: {[Mn(3,5-diCl-sal₂323)]₂[Co(pdms)₂]}·(H₂O)_x (<strong>1</strong>), {[Mn(3,5-Br,Cl-sal₂323)]₂[Co(pdms)₂]}·(H₂O)_x (<strong>2</strong>), and {[Mn(3,5-diBr-sal₂323)]₂[Co(pdms)₂]}·(H₂O)_x (<strong>3</strong>). Their crystal structures and magnetic properties have been studied. These two-component ionic compounds are isostructural and exhibit thermally induced incomplete spin transition in the temperature range 100–350 K associated with the cationic subsystem and a strong uniaxial magnetic anisotropy associated with the anionic subsystem. A study of <em>ac</em> the magnetic susceptibility in zero magnetic field and with a constant magnetic field applied has shown that the slow magnetic relaxation previously found in [Co(pdms)₂]²⁻ complexes with some diamagnetic cations is suppressed in <strong>1</strong>–<strong>3</strong>. In structure <strong>1</strong>–<strong>3</strong> there are shortened distances between the Co and Mn ions (6.75–6.76 Å), which may lead to significant dipole–dipole interactions between the spin centres, promoting very fast magnetic relaxation associated with quantum tunneling of the magnetization.</div></div>","PeriodicalId":20278,"journal":{"name":"Polyhedron","volume":"277 ","pages":"Article 117568"},"PeriodicalIF":2.4,"publicationDate":"2025-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143894316","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}

{"title":"Organosulphur compounds as building blocks for heterogeneous catalytic systems: Applications in catalysis and electrocatalysis","authors":"Anupma Tyagi ,&nbsp;Nivedita Kunwar ,&nbsp;Suraj Purohit ,&nbsp;Kamal K. Pant ,&nbsp;Arun Kumar","doi":"10.1016/j.poly.2025.117569","DOIUrl":"10.1016/j.poly.2025.117569","url":null,"abstract":"<div><div>Organo-sulphur compounds have garnered a lot of attention. They have been extensively studied in recent decades. Development of heterogeneous catalytic systems utilizing organo-sulphur compounds as well as their applications in catalysis of a variety of chemical transformations and electrocatalysis are covered in this article. Salient features and advantages of organo-sulphur compounds as ligands are highlighted to justify the rationale behind their use in heterogeneous catalyst development. Their performance in various chemical transformations [viz. Suzuki-Miyaura coupling, Heck coupling, Sonogashira coupling, C<img>O coupling, aldehyde-alkyne-amine A³ coupling, hydrogenation of nitrobenzenes, C<img>3 arylation of indole, hydrogenation of unsaturated organic compounds, estrification, semihydrogenation of alkynes, Ullmann-type homocoupling, [3 + 2] cycloaddition, are critically analyzed along with relevant aspects of catalytic processes such as recyclability, substrate scope and green aspects. Additionally, their application in electrocatalysis has been elaborated. The efficiency of such catalytic systems in hydrogen evolution reaction (HER), oxygen evolution reaction (OER), oxygen reduction reaction (ORR) and electrocatalytic oxidation of nitric oxide has been analyzed. Mechanistic aspects and future perspectives are discussed.</div></div>","PeriodicalId":20278,"journal":{"name":"Polyhedron","volume":"277 ","pages":"Article 117569"},"PeriodicalIF":2.4,"publicationDate":"2025-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143935872","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}

{"title":"Electrodeposition of nickel-titanium dioxide coatings and powders from aqueous sulfate solutions","authors":"Tazhibayeva Aigerim Shotaevna ,&nbsp;Bayeshova Azhar Kospanovna ,&nbsp;Bayeshov Abduali ,&nbsp;Osińska Małgorzata","doi":"10.1016/j.poly.2025.117571","DOIUrl":"10.1016/j.poly.2025.117571","url":null,"abstract":"<div><div>The development of composite electrochemical coatings represents an important direction in surface engineering that allows significant improvement of material properties while maintaining substrate integrity. Electrodeposited nickel coatings with ceramic particle inclusions are particularly promising due to their enhanced mechanical and corrosion resistance characteristics. The reduction process of Ni²⁺ from sulfate solutions containing titanium dioxide as a dispersed phase was studied by cyclic voltammetry. It was established that during cathodic polarization, nickel is deposited on the copper electrode surface together with titanium dioxide, forming a Ni-TiO₂ composite electrochemical coating. To determine the corrosion resistance of the coatings, anodic and cathodic polarization curves were recorded for both nickel coating and nickel-titanium dioxide composite coating. It was shown that the composite coating exhibits resistance to dissolution under anodic polarization.</div><div>The obtained Ni-TiO₂ composite coatings were studied using X-ray fluorescence spectroscopy, scanning electron microscopy, and energy dispersive spectrometry. The nickel powders with titanium dioxide inclusions obtained during the experiments represent materials with unique performance properties due to their magnetic nature and synergistic interaction between components. The magnetic properties of nickel make this material indispensable in such areas as the production of magnets, magnetic cores, sensors, transducers and data storage devices, while the incorporation of titanium dioxide is particularly useful for providing additional oxidation resistance and increasing mechanical strength. This research contributes to the development of advanced functional materials with improved corrosion resistance and performance characteristics using a relatively simple production method.</div></div>","PeriodicalId":20278,"journal":{"name":"Polyhedron","volume":"277 ","pages":"Article 117571"},"PeriodicalIF":2.4,"publicationDate":"2025-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143907628","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}

{"title":"Spectrophotometric in vitro cholinergic enzyme inhibitory potentials of novel functional Schiff bases and their peripheral CoII and CuII phthalocyanines in the treatment of Alzheimer’s disease","authors":"Halise Yalazan ,&nbsp;Gökçe Seyhan ,&nbsp;Ceren Boğuşlu ,&nbsp;Burak Barut ,&nbsp;Halit Kantekin","doi":"10.1016/j.poly.2025.117567","DOIUrl":"10.1016/j.poly.2025.117567","url":null,"abstract":"<div><div>Cholinergic neurons and presynaptic indicators of the cholinergic system gradually disappear as a result of neurodegenerative disorders, including Alzheimer’s disease (AD), one of the most prevalent causes of dementia. By inhibiting acetylcholinesterase (AChE) and thus reducing the rate of acetylcholine hydrolysis, these effects can be counteracted. Anticholinesterase medications that have reversible inhibitory effects are therefore used to treat neurodegenerative illnesses. This work involved the synthesis of Schiff base compounds (<strong>Schiffb.OH/CN</strong>) and their cobalt (<strong>Schiffb.CoPc</strong>) and copper (<strong>Schiffb.CuPc</strong>) phthalocyanine compounds, as well as spectrophotometric analysis of their <em>in vitro</em> cholinergic enzyme inhibitory potentials. Overall, it was found that, when compared to the other compounds examined, <strong>Schiffb.CuPc</strong> was the most potent inhibitor. Furthermore, it exhibited statistically comparable results to the positive control, galantamine (26.17 ± 0.52 µM). However, at the concentrations examined, it was shown that the compounds exhibited no action against BuChE. The compounds may be selective for AChE, according to this research.</div></div>","PeriodicalId":20278,"journal":{"name":"Polyhedron","volume":"277 ","pages":"Article 117567"},"PeriodicalIF":2.4,"publicationDate":"2025-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143892186","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}

{"title":"Crystal structures, hirshfeld surface analysis, DFT and antibacterial studies of La(III) and Nd(III) complexes based on pyrazolone","authors":"Xiumei Zhang ,&nbsp;Yidi Xia ,&nbsp;Yunan Zhang ,&nbsp;Fenghua Liu ,&nbsp;Yixiu Zhang","doi":"10.1016/j.poly.2025.117563","DOIUrl":"10.1016/j.poly.2025.117563","url":null,"abstract":"<div><div>Bacterial infections is a major public health issue worldwide. It is particularly important to find effective ways to reduce bacterial infections. Herein, 4-benzoyl-3-methyl-1-phenyl-5-pyrazolone (HPMBP) was synthesized via the Friedel-Crafts reaction and analyzed by ¹H NMR, infrared (IR), and electrospray ionization time-of-flight mass spectrum (ESI-TOF-MS). The formation of new La(III) and Nd(III) coordination complexes, namely La(HPMBP)₄·TEA and Nd(HPMBP)₃·2H₂O, performed in CH₃OH (HPMBP: M = 4:1), and their structures were determined by single crystal diffraction (SCXRD). Importantly, the complexes exhibit more vigorous antibacterial activity than HPMBP, LaCl₃, and NdCl₃. Both metal complexes exhibit more potent antibacterial activity against <em>Escherichia coli</em> than against <em>Staphylococcus aureus</em>. The research results indicate that lanthanide metal complexes have good antibacterial activity.</div></div>","PeriodicalId":20278,"journal":{"name":"Polyhedron","volume":"277 ","pages":"Article 117563"},"PeriodicalIF":2.4,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143918586","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}

{"title":"Apatite tricalcium phosphate powder Ca9(HPO4)(PO4)5(OH) is an effective and eco-friendly catalyst for the green synthesis of 3,4-dihydropyrano[c]chromenes and tetrahydrobenzo[b]pyrans derivatives","authors":"Sarra Sibous ,&nbsp;Abdelkarim Ouass ,&nbsp;Driss El Mekkaoui ,&nbsp;Fatima El Hajri ,&nbsp;Anass Hatim ,&nbsp;Abdelaziz Elouahli ,&nbsp;Haddou Anahmadi ,&nbsp;Youssef Lemallam ,&nbsp;Rachid Hsissou ,&nbsp;Zakaria Benzekri ,&nbsp;Zineb Hatim ,&nbsp;Nour El Hoda Mustaphi ,&nbsp;El Housseine Rifi ,&nbsp;Abdelaziz Souizi ,&nbsp;Said Boukhris","doi":"10.1016/j.poly.2025.117565","DOIUrl":"10.1016/j.poly.2025.117565","url":null,"abstract":"<div><div>This research investigation presents an in-depth assessment of the catalytic efficacy of Ca₉(HPO₄)(PO₄)₅(OH) in the context of sustainable pyran derivative synthesis. The characterization of Ca₉(HPO₄)(PO₄)₅(OH) was conducted using a range of analytical techniques, including Fourier-transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), energy dispersive X-ray analysis (EDAX), elemental mapping, and X-ray diffraction (XRD). The Ca₉(HPO₄)(PO₄)₅(OH) catalyst exhibited noteworthy efficiency in catalyzing the synthesis of 3,4-dihydropyrano[<em>c</em>]chromenes and tetrahydrobenzo[<em>b</em>]pyrans derivatives by multicomponent condensation via the reaction between three components: malononitrile, 4-hydroxycoumarin or dimedone and aromatic aldehydes, under optimum reaction conditions. In addition to infrared spectroscopy, these derivatives are identified by proton and carbon nuclear magnetic resonance. This approach offers several advantages, including simple purification, obtaining the desired products in good to excellent yields and in a relatively short time, and the possibility of reusing the catalyst up to five times without any significant loss of efficiency.</div></div>","PeriodicalId":20278,"journal":{"name":"Polyhedron","volume":"277 ","pages":"Article 117565"},"PeriodicalIF":2.4,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143881713","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}

{"title":"New and robust magnetically recoverable catalyst for the green synthesis of benzothiazoles and benzoxazoles","authors":"Fadhel F. Sead ,&nbsp;Vicky Jain ,&nbsp;Roopashree R ,&nbsp;Anita Devi ,&nbsp;Aditya Kashyap ,&nbsp;Girish Chandra Sharma ,&nbsp;Pushpa Negi Bhakuni ,&nbsp;Mosstafa Kazemi ,&nbsp;Ramin Javahershenas","doi":"10.1016/j.poly.2025.117564","DOIUrl":"10.1016/j.poly.2025.117564","url":null,"abstract":"<div><div>In this study, we present the development of a groundbreaking, magnetically reusable nanocatalyst designed to streamline the condensation reactions of 2-aminobenzenethiol and 2-aminophenol derivatives with aryl nitriles. This process results in the efficient formation of various 2-substituted benzoxazole and benzothiazole derivatives, all while adhering to environmentally friendly practices. The catalyst employed in our research is a complex formed from 4-(2-amino-1-hydroxyethyl)benzene-1,2-diol and CuCl₂, which is skillfully immobilized on Fe₃O₄ nanoparticles, yielding the composite known as Fe₃O₄@Diol-AHEB-CuCl₂. The remarkable efficiency of this catalytic system is evident from the high to outstanding yields achieved for all products, showcasing its superior catalytic performance. Furthermore, our experimental findings reveal the impressive durability of the Fe₃O₄@Diol-AHEB-CuCl₂ catalyst, as it maintains its catalytic activity even after being recycled and reused up to eight times without a significant decline in performance. This study highlights the considerable advantages offered by this innovative catalytic approach over traditional methods, which include heightened efficiency in product yield, minimized reaction times, the use of ethanol as a green solvent, straightforward isolation of the catalyst, and a robust activity profile. These features collectively underscore the promising outlook for this catalytic system in the synthesis of valuable chemical compounds.</div></div>","PeriodicalId":20278,"journal":{"name":"Polyhedron","volume":"276 ","pages":"Article 117564"},"PeriodicalIF":2.4,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143870902","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}

{"title":"Unsymmetrical amidinate complexes of cobalt and manganese: Synthesis, structure and catalytic properties","authors":"Xinhua Hu ,&nbsp;Hongbo Tong ,&nbsp;Meisu Zhou","doi":"10.1016/j.poly.2025.117562","DOIUrl":"10.1016/j.poly.2025.117562","url":null,"abstract":"<div><div>Unsymmetrical amidinate Co(Ⅱ) complexes [Co{N(2,6-<em>ⁱ</em>Pr₂C₆H₃)C(Ph)N(SiMe₃)}₂] (<strong>1</strong>,<strong>1a</strong>) and Mn(Ⅱ) complex [Mn{N(2,6-<em>ⁱ</em>Pr₂C₆H₃)C(Ph)N(SiMe₃)}₂PhCN] (<strong>3</strong>) were synthesized and characterized. Their single crystal X-ray diffraction results were presented to analyze the differences in crystal formation. These complexes were used as catalyst in the addition reaction of aromatic amines with <em>N,N’</em>-diisopropylcarbodiimide. Complex <strong>1</strong> exhibits relatively higher catalytic activity. Especially in the addition reaction of 2,6-diisopropylaniline, which has large steric hindrance, with <em>N,N’</em>-diisopropylcarbodiimide in THF solvent, the catalyzed yield could be up to 99 %.</div></div>","PeriodicalId":20278,"journal":{"name":"Polyhedron","volume":"276 ","pages":"Article 117562"},"PeriodicalIF":2.4,"publicationDate":"2025-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143874394","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}

{"title":"Green synthesis and anti-cancer properties of cerium oxide nanoparticles using pistachio vera pericarp essential oil","authors":"Nahid Askari ,&nbsp;Hamide Hojabrpour ,&nbsp;Mohammad Reza Mirzaei ,&nbsp;Vahid Mirzaei ,&nbsp;Reza Hosseiniara ,&nbsp;Soudeh Khanamani Falahati-pour","doi":"10.1016/j.poly.2025.117560","DOIUrl":"10.1016/j.poly.2025.117560","url":null,"abstract":"<div><h3>Background</h3><div>In recent years, there has been a growing interest among researchers in the potential applications of metal oxide nanoparticles in medicine.</div></div><div><h3>Objective</h3><div>This study aims to synthesize cerium oxide nanoparticles (CeO2 NPs) using pistachio vera pericarp essential oil (PVEO) as a stabilizing agent. We also seek to evaluate their anti-cancer properties and the combined effects with zoledronic acid on human prostate cancer cells (LNCap) and breast cancer cells (MCF7).</div></div><div><h3>Methods</h3><div>CeO2 nanoparticles were synthesized by dissolving cerium nitrate in water and combining it with PVEO. The resulting solution was heated and stirred to form a gel, which was subsequently heated to produce the CeO2 NPs. Characterization of the nanoparticles was conducted using scanning electron microscopy (SEM) and X-ray diffraction (XRD). LNCap and MCF7 cells were cultured and treated with varying concentrations of CeO2 NPs and zoledronic acid (ZA). Cell viability was assessed through the MTT assay, while gene expression was analyzed using reverse transcription quantitative polymerase chain reaction (RT-qPCR). Statistical analysis was performed to interpret the results.</div></div><div><h3>Results</h3><div>The SEM and XRD analyses confirmed the size, shape, phase, and chemical composition of the synthesized CeO2 NPs. Biological assays revealed significant cytotoxic effects of CeO2 NPs against both LNCap and MCF7 cells. The treatment with CeO2 NPs, either alone or in combination with zoledronic acid, resulted in reduced cell viability and impacted cell proliferation, apoptosis, and migration by modulating the expression of genes associated with apoptosis. Notably, the combination of PVEO and zoledronic acid exhibited a synergistic effect on both cancer cell lines.</div></div><div><h3>Conclusion</h3><div>The cerium oxide nanoparticles synthesized using pistachio pericarp essential oil demonstrated substantial cytotoxic effects against prostate and breast cancer cells. These findings indicate that PVEO-derived CeO2 NPs may represent a promising new approach for treating these types of cancer.</div></div>","PeriodicalId":20278,"journal":{"name":"Polyhedron","volume":"277 ","pages":"Article 117560"},"PeriodicalIF":2.4,"publicationDate":"2025-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143907629","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}

{"title":"Exploring the chemistry of divalent P(I) compounds: An insight from theory","authors":"Bijoy Ghosh ,&nbsp;Sanchaita Rajkhowa ,&nbsp;Bitupon Borthakur","doi":"10.1016/j.poly.2025.117561","DOIUrl":"10.1016/j.poly.2025.117561","url":null,"abstract":"<div><div>Density Functional Theory (DFT) calculations were employed to explore the fascinating electronic and ligand properties of a range of carbene-phosphinidene adducts. All the molecules feature varying degrees of double bond character between the phosphorus and central carbon atom of the carbene moiety. Moreover, inspection of molecular orbitals reveals the presence of two lone pairs (σ- and π-symmetry) concentrated at the phosphorus atom in all adducts thereby indicating double donation ability of all the carbene-phosphinidene adducts. Both proton affinity and complexation energy calculations indicate the dibasic nature of the carbene-phosphinidene adducts considered in this study.</div></div>","PeriodicalId":20278,"journal":{"name":"Polyhedron","volume":"276 ","pages":"Article 117561"},"PeriodicalIF":2.4,"publicationDate":"2025-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143860022","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}