European Journal of Inorganic Chemistry最新文献

{"title":"Hydrothermal Synthesis and Characterization of the Melamine-Based Second-Harmonic Generation Material HgCl2(C3N6H6)","authors":"Melena Groß,&nbsp;Patrick Schmidt,&nbsp;Carl P. Romao,&nbsp;David Enseling,&nbsp;Thomas Jüstel,&nbsp;Mykhailo Brytskyi,&nbsp;Scott Kroeker,&nbsp;Hans-Jürgen Meyer","doi":"10.1002/ejic.202500256","DOIUrl":"10.1002/ejic.202500256","url":null,"abstract":"<p>The pursuit of efficient nonlinear optical materials is critical for advancing optoelectronic applications. This study focuses on the synthesis and characterization of HgCl₂(C₃N₆H₆), a melamine-based hybrid metal halide. Structural analysis reveals a non-centrosymmetric lattice facilitated by large asymmetric secondary building units and a π-conjugated system. The compound exhibits a strong second-harmonic generation efficiency. Density functional theory calculations, optical band gap measurements, and photoluminescence measurements specify the electronic properties. For completeness and analytical comparison, the centrosymmetric compound Hg₂Cl₂(C₃N₆H₆)₂ is also introduced.</p>","PeriodicalId":38,"journal":{"name":"European Journal of Inorganic Chemistry","volume":"28 24","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://chemistry-europe.onlinelibrary.wiley.com/doi/epdf/10.1002/ejic.202500256","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144915198","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Three Single-Ion Magnet Candidates from Erbium(III) Squarate Complexes in Relation with a Square-Antiprismatic Coordination Structure","authors":"Rina Takano,&nbsp;Yasutaka Kitagawa,&nbsp;Takayuki Ishida","doi":"10.1002/ejic.202500184","DOIUrl":"10.1002/ejic.202500184","url":null,"abstract":"<p>Mononuclear [Er(sq)(Hsq)(H₂O)₆]•(H₂O) (sq = squarate, C₄O₄²⁻) and heteroleptically bridged 3D polymer [Er₂(sq)₂(ox)(H₂O)₄]_<i>n</i> (ox = oxalate, C₂O₄²⁻) were newly prepared. The Arrhenius plot for the alternating-current magnetic susceptibility data clarified the effective energy barriers for magnetization reversal, <i>U</i>_eff/<i>k</i>_B = 42.0(7) K at a direct-current bias field of 1000 Oe for the former and 21.7(8) K at 800 Oe for the latter. They are greater than that of known 2D [Er₂(sq)₃(H₂O)₈]_<i>n</i>. All of the erbium(III) coordination structures investigated here can be described approximately as a square antiprism with a slight variation in axial compression within a <i>D</i>_4d symmetry framework. To elucidate a suitable degree of <i>D</i>_4d compression, the complete-active-space self-consistent-field calculation was carried out on the discrete neutral molecule [Er(sq)(Hsq)(H₂O)₆] and its modifications after anisotropically upto 10% elongation or compression along the principal axis. The calculated energy gap between the ground and the first excited states in the Stark sublevels is 151.5 cm⁻¹ for the original [Er(sq)(Hsq)(H₂O)₆] molecule, and the gap became wider with more compressed as well as elongated ErO₈ structures. The gap is highly sensitive to the compressed/elongated modification, justifying the variety and diversity of the single-ion magnet characteristics observed.</p>","PeriodicalId":38,"journal":{"name":"European Journal of Inorganic Chemistry","volume":"28 23","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144905525","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"α,β-Alkylation Reactions Catalyzed by Ruthenium Triphenylphosphine Complexes Bearing Substituted Pyridine–Quinoline Based Ligands","authors":"Nikolaos Zacharopoulos,&nbsp;Panagiotis-Georgios Kanellopoulos,&nbsp;Evangelos Bakeas,&nbsp;Antigoni Cheilari,&nbsp;Gregor Schnakenburg,&nbsp;Athanassios Chrissanthopoulos,&nbsp;Athanassios Philippopoulos","doi":"10.1002/ejic.202500154","DOIUrl":"10.1002/ejic.202500154","url":null,"abstract":"<p>Herein, a series of ruthenium(II) bis-triphenylphosphine complexes comprising substituted pyridine<b>–</b>quinoline based ligands for the efficient α-alkylation of ketones with primary alcohols, via the borrowing hydrogen methodology, are reported. β-alkylation of secondary alcohols by primary alcohols is also reported. The reactions are catalyzed by the ruthenium complexes [RuCl₂(8-Mepq)(PPh₃)] (<b>1</b>), [RuCl₂(6′-Mepq)(PPh₃)₂] (<b>2</b>), [RuCl₂(4,6′-Me₂pq)(PPh₃)₂)] (<b>3</b>), including [RuCl₂(4-Mepq)(PPh₃)₂] (<b>4</b>), and [RuCl₂(pq)(PPh₃)₂] (<b>5</b>). Mass spectrometry, elemental analysis, and ³¹P NMR data reveal that <b>1</b> is a five-coordinate 16-electron ruthenium(II) complex with one triphenylphosphine ligand, as opposed to <b>2</b>–<b>5</b>, which hold two and are six-coordinate. Theoretical calculations suggest that <b>1</b> is stabilized by a nonclassical Ru<span></span>Cl(1)···H(2) interaction between a hydrogen atom of the appended methyl group and an adjacent chlorine atom. By NMR spectroscopy, different isomers of <b>2</b> and <b>3</b> have been detected. For the α-alkylation of benzyl alcohol with acetophenone, all complexes selectively provided 1,3-diphenylpropan-1-one as the sole product, within an hour. The β-alkylation of 1-phenylethanol with benzyl alcohol under the same conditions is less selective. As salient features of this report we could mention that these catalytic systems operate with easily accessible and in high yields air-stable catalysts, within a shorter period compared to known ruthenium complexes.</p>","PeriodicalId":38,"journal":{"name":"European Journal of Inorganic Chemistry","volume":"28 22","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://chemistry-europe.onlinelibrary.wiley.com/doi/epdf/10.1002/ejic.202500154","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144881148","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Calyx- and Tub-Shaped Polydentate σ-Hole Systems Revealing Intermolecular Chalcogene···π–Alkyne Interactions","authors":"Maximilian J. Klingsiek,&nbsp;Loris M. Mendrina,&nbsp;Jan-Hendrik Lamm,&nbsp;Beate Neumann,&nbsp;Norbert W. Mitzel","doi":"10.1002/ejic.202500274","DOIUrl":"10.1002/ejic.202500274","url":null,"abstract":"<p>Poly σ-hole donors, i.e., molecules that contain more than one σ-hole donating function, can interact through weak noncovalent interactions with molecules that have regions of high electron density, like the lone pairs of anions, Lewis bases, and π-systems. Therefore, such mono- and bidentate systems have been intensively studied in recent years and used in host-guest chemistry and catalysis. Here we present the synthesis of tri-, tetra-, and hexadentate systems with CCSb(C₂F₅)₂ and CCSeCF₃ functions using tin-element exchange reactions. These systems are based on both the calyx-shaped hexadehydrotribenzo[12]annulene and the tub-shaped dibenzo[<i>a</i>,<i>e</i>]cyclooctatetraene. The molecular structure of the tub-shaped systems shows inter- and intramolecular contacts related to the interaction of the σ-holes with the electron-rich fluorine and alkyne functions.</p>","PeriodicalId":38,"journal":{"name":"European Journal of Inorganic Chemistry","volume":"28 24","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://chemistry-europe.onlinelibrary.wiley.com/doi/epdf/10.1002/ejic.202500274","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144914945","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Correction to “Ultrafast Structural Dynamics of a Photoexcited Mn−Fe Charge-Transfer Material in the Polaronic and Phase Transition Regimes”","authors":"","doi":"10.1002/ejic.202500152","DOIUrl":"10.1002/ejic.202500152","url":null,"abstract":"<p>M. Hervé, G. Privault, E. Trzop, S. Akagi, Y. Watier, S. Zerdane, I. Chaban, R. G. Torres Ramírez, C. Mariette, A. Volte, M. Cammarata, M. Levantino, H. Tokoro, S.-i. Ohkoshi, E. Collet, <i>Eur. J. Inorg. Chem.</i> <b>2024</b>, <i>27</i>, e202400371.</p><p>We apologize for this error.</p>","PeriodicalId":38,"journal":{"name":"European Journal of Inorganic Chemistry","volume":"28 20","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ejic.202500152","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144647775","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Front Cover: (Eur. J. Inorg. Chem. 18/2025)","authors":"","doi":"10.1002/ejic.202581801","DOIUrl":"10.1002/ejic.202581801","url":null,"abstract":"<p>\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":38,"journal":{"name":"European Journal of Inorganic Chemistry","volume":"28 18","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/ejic.202581801","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144473188","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Coordination Chemistry of Copper and Nickel with Xenon Difluoride and the Hexafluororuthenate(V) Anion: Synthesis and Structural Studies","authors":"Tomaž Mržljak,&nbsp;Evgeny Goreshnik,&nbsp;Gašper Tavčar,&nbsp;Melita Tramšek","doi":"10.1002/ejic.202500275","DOIUrl":"10.1002/ejic.202500275","url":null,"abstract":"<p>In the photochemical reactions between MF₂ (M = Cu, Ni), Ru, and F₂ in anhydrous HF, Cu(RuF₆)₂, and Ni(RuF₆)₂ are formed. Only crystals of Cu(RuF₆)₂ are obtained during the crystallization of the powdered products. Cu(RuF₆)₂ crystallizes in the triclinic space group <i>P</i><span></span><math></math>. The Cu atoms are coordinated by six F atoms, which are shared with octahedral RuF₆ units. Together, they form slabs that are interconnected by van der Waals forces. In the reactions between M(RuF₆)₂ (M = Cu, Ni) and 2XeF₂ (1:2 molar ratio), [Cu(XeF₂)₂](RuF₆)₂ and [Ni(XeF₂)₂](RuF₆)₂ are formed. They both crystallize in the monoclinic space group <i>P</i>2₁/<i>c</i>. The metal center is coordinated by six F atoms. Two F atoms are provided by two nonbridging XeF₂ molecules, while the remaining four originate from four bridging [RuF₆]^- anions. In the reactions between M(RuF₆)₂ (M = Cu, Ni) and an excess of XeF₂, [Cu(XeF₂)₆](RuF₆)₂ and [Ni(XeF₂)₆](RuF₆)₂ are formed. They are not isostructural, as the first crystallizes in the triclinic space group <i>P</i><span></span><math></math>, while the second crystallizes in the trigonal space group <i>R</i><span></span><math></math>. In both cases, homoleptic cations [M(XeF₂)₆]²⁺ are present, with the metal center coordinated by six nonbridging XeF₂ molecules, while the [RuF₆]^- anions are discrete.</p>","PeriodicalId":38,"journal":{"name":"European Journal of Inorganic Chemistry","volume":"28 24","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://chemistry-europe.onlinelibrary.wiley.com/doi/epdf/10.1002/ejic.202500275","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144915093","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Design and Synthesis of Nitrogen-Rich Triazole-Based Mononuclear Ru(II) Arene Complexes Toward Anticancer Activities","authors":"Anushka Verma,&nbsp;Arabinda Muley,&nbsp;Vuppaladadium Shanmuga Sharan Rathnam,&nbsp;Jitender Jangra,&nbsp;Shobhit Mathur,&nbsp;Roy Anindya,&nbsp;Somnath Maji","doi":"10.1002/ejic.202500300","DOIUrl":"https://doi.org/10.1002/ejic.202500300","url":null,"abstract":"<p>Cancer is a disease marked by uncontrolled cell growth, which can form tumors, invade nearby tissues and spread to other parts of the body (metastasis). Ruthenium complexes are emerging as a promising class of metal-based drugs for cancer treatment, offering an alternative where they exhibit several properties that make them suitable for cancer therapy. Therefore, two mononuclear ruthenium arene complexes [(η⁶-<i>p</i>-cymene)Ru(<b>L</b>)Cl](PF₆) (where <b>L1 </b>= 2,2^/-(4-(1<i> H</i>-pyrrol-1-yl)-4<i> H</i>-1,2,4-triazole-3,5-diyl)bis(3-methylpyridine) and <b>L2 </b>= 6,6^/-(4-(1<i> H</i>-pyrrol-1-yl)-4<i> H</i>-1,2,4-triazole-3,5-diyl)bis(2-methylpyridine) have been designed and synthesized by substitution reactions from the precursor dimer [Ru(<i>p</i>-cymene)(Cl)(μ-Cl)]₂. Both metal complexes have been successfully characterized through various spectroscopic and analytical tools. The molecular structures of [<b>1</b>](PF₆) and [<b>2</b>](PF₆) were elucidated via single-crystal X-ray diffraction analysis. The redox behaviour of both the ligands and their metal complexes was analysed. In addition, cytotoxicity against cancer cell growth was examined using two human breast cancer cell lines, MDA-MB-231 and MCF-7. Live-cell imaging and sodium 3′-[1-(phenylamino-carbonyl)-3,4-tetrazolium]-bis(4-methoxy-6-nitro) benzene-sulfonic acid hydrate (XTT) assay showed that [<b>1</b>](PF₆) killed MDA-MB-231 and MCF-7 breast cancer cell lines, with IC₅₀ values of 125.9 μM and 117.1 μM, respectively. Comparatively, [<b>1</b>](PF₆) had higher cytotoxicity than [<b>2</b>](PF₆) and can be explored in the design of future tailor-made cytotoxic compounds.</p>","PeriodicalId":38,"journal":{"name":"European Journal of Inorganic Chemistry","volume":"28 26","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145135489","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Unveiling Solvent-Dependent Divergent Hydrogen Production Pathways during the Dehydrogenation of Formic Acid Using N,N′-Iminopyridine Ruthenium(II) Complexes","authors":"Thabiso Mphuti,&nbsp;Rotondwa Mphephu,&nbsp;Moegamat Joseph,&nbsp;Andrew J. Swarts","doi":"10.1002/ejic.202500212","DOIUrl":"10.1002/ejic.202500212","url":null,"abstract":"<p>The preparation of a panel of cationic, half-sandwich iminopyridine ruthenium(II) complexes of the type [(<b>L1</b>)RuCl(<i>p</i>-cymene)]Cl (<b>C1</b>–<b>C11</b>) is reported, where L = substituted <i>N</i>-phenyl-1-(2-pyridinyl)methanimine ligand derivates (<b>L1–L9</b>) and their efficiency in the catalytic dehydrogenation of formic acid (FA). The activity could be correlated with the nature of the substituent on the imine nitrogen and the solubility of the complexes in water, with <b>C1</b> exhibiting the highest initial turnover frequency (TOF) of 281 hr⁻¹ at 90 °C. Kinetic and mechanistic investigations are undertaken in dimethyl sulfoxide (DMSO) and H₂O, revealing that the proton source in the hydrogen production step is solvent-dependent. FA is found to be responsible for H₂ formation in DMSO, and H₃O⁺ ions are involved in generating H₂ in water. Complex <b>C1</b> is more stable in water, as it maintains efficient gas evolution for 16 cycles without any deactivation, reaching a turnover number (TON) of 13 791. Furthermore, <b>C1</b> is active, although with reduced activity (TOF = 43 hr⁻¹), for over 34 h when operated under continuous FA addition conditions.</p>","PeriodicalId":38,"journal":{"name":"European Journal of Inorganic Chemistry","volume":"28 24","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://chemistry-europe.onlinelibrary.wiley.com/doi/epdf/10.1002/ejic.202500212","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144915131","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Planar-Chiral 1,1′-Diiminoferrocenes [Fe{η5-C5H3-1-(N=CHPh)-2-(C≡CAr)}{η5-C5H4(N=CHPh)}] Containing a Bulky Ethynyl Substituent Adjacent to One of the Imino Groups","authors":"Johannes Blanckenberg,&nbsp;Clemens Bruhn,&nbsp;Ulrich Siemeling","doi":"10.1002/ejic.202500244","DOIUrl":"10.1002/ejic.202500244","url":null,"abstract":"<p>The planar-chiral stannylated diaminoferrocene [Fe{η⁵-C₅H₃-1-(Sn<i>n</i>Bu₃)-2-(NH₂)}{η⁵-C₅H₄(NH₂)}] (<b>A</b>) and its diimine derivative [Fe{η⁵-C₅H₃-1-(Sn<i>n</i>Bu₃)-2-(N=CHPh)}{η⁵-C₅H₄(N=CHPh)}] (<b>B</b>) gave unsatisfactory results in attempts to achieve Stille cross-coupling reactions with PhBr in the presence of [PdCl₂(PPh₃)₂] or [Pd(PPh₃)₄]/CuO as catalysts. Analogous attempts aiming at the Stille cross-coupling of the iodo derivative [Fe{η⁵-C₅H₃-1-I-2-(N=CHPh)}{η⁵-C₅H₄(N=CHPh)}] (<b>C</b>) with PhSn<i>n</i>Bu₃ are equally fruitless, whereas Sonogashira cross-coupling reactions of <b>C</b> are successfully performed with ethynylbenzene, ethynyl-2,4,6-trimethylbenzene, 4-ethynyl-1,1′-biphenyl, 9-ethynylphenanthrene, and 1-ethynylpyrene, affording [Fe{η⁵-C₅H₃-1-(N=CHPh)-2-(C≡CAr)}{η⁵-C₅H₄(N=CHPh)}] (Ar = phenyl, mesityl, 1,1′-biphenyl-4-yl, 9-phenanthryl, and 1-pyrenyl for <b>1</b>, <b>2</b>, <b>3</b>, <b>4</b>, and <b>5</b>, respectively) in ≈60% yield under optimized conditions (<b>C</b>/ArC≡CH/[Pd(P<i>t</i>Bu₃)₂]/CuI/N<i>i</i>Pr₂Et = 1/4/0.5/3/40, toluene, 70 °C, 16 h). <b>4</b> (Ar = 9-phenanthryl) is structurally characterized by single-crystal X-ray diffraction (XRD). The suitability of the diimines of this study for metal chelation is demonstrated by reactions with [PdCl₂(MeCN)₂]. [PdCl₂(<b>C</b>)] and [PdCl₂(<b>5</b>)] are structurally characterized by XRD. The 1-pyrenyl unit present in [PdCl₂(<b>5</b>)] effectively blocks one side of the <i>N</i>,<i>N</i>-chelated metal center by wall-like steric shielding.</p>","PeriodicalId":38,"journal":{"name":"European Journal of Inorganic Chemistry","volume":"28 23","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://chemistry-europe.onlinelibrary.wiley.com/doi/epdf/10.1002/ejic.202500244","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144905464","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}