Inorganic Chemistry最新文献

{"title":"Manipulation and Theoretical Modeling of the Luminescence Performance of Silver Clusters in LTA Zeolites by Adjusting Extra-framework Cations","authors":"Ling Pan, Song Ye, Ruihao Huang, Meiyan Wang, Tianning Zheng, Haoran Zhang, Deping Wang","doi":"10.1021/acs.inorgchem.4c04322","DOIUrl":"https://doi.org/10.1021/acs.inorgchem.4c04322","url":null,"abstract":"Luminescent silver clusters that are confined inside porous zeolites have attracted great research interest due to the combined advantages of high quantum yield, tunable emission, excellent chemical stability, and desirable adoption ability of this micronano-composite. In this research, a series of Ag-exchanged R-LTA/Ag (R = Li, Na, K) zeolites were synthesized, in which the silver clusters showed blue-shifted excitation in the UV region, red-shifted emission in the visible region, and decreased emission intensity when taking Li⁺, Na⁺, and K⁺ as the extra-framework cations, respectively. The [Ag₄(H₂O)_<i>x</i>R₄-sod]^6– (<i>x</i> = 2, 4; R = Li, Na, K) structures were constructed, and the TD-DFT method was further carried out to study the influence of extra-framework cations on the luminescence performance of [Ag₄]²⁺ clusters, in which the substitution of Al for Si and the reasonable hydrate levels were both taken into consideration. It is estimated that the S₁ and S₃ levels for the [Ag₄(H₂O)₄Li₄-sod]^6– cluster, the S₄ level for the [Ag₄(H₂O)₄Na₄-sod]^6– cluster, and the S₅ level for the [Ag₄(H₂O)₂K₄-sod]^6– cluster can be effectively populated through direct excitation, and the S₁ → S₀ transition is assumed to be responsible for the radiative emission in the visible region for the [Ag₄]²⁺ pseudo-tetrahedrons. This calculated energy level diagram and simulated absorption spectra of [Ag₄(H₂O)_<i>x</i>R₄-sod]^6– (<i>x</i> = 2, 4; R = Li, Na, K) clusters explained the modified luminescence property of silver clusters in R-LTA/Ag (R = Li, Na, K) zeolites studied in this research and reported literature.","PeriodicalId":40,"journal":{"name":"Inorganic Chemistry","volume":"22 1","pages":""},"PeriodicalIF":4.6,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142832979","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"MR Imaging Reveals Dynamic Aggregation of Multivalent Glycoconjugates in Aqueous Solution","authors":"Jian-Hong Tang, Minrui Luo, Wilhelmina Tsao, Emily Alexandria Waters, Giacomo Parigi, Claudio Luchinat, Thomas J. Meade","doi":"10.1021/acs.inorgchem.4c03878","DOIUrl":"https://doi.org/10.1021/acs.inorgchem.4c03878","url":null,"abstract":"Glycoconjugates forming from the conjugation of carbohydrates to other biomolecules, such as proteins, lipids, or other carbohydrates, are essential components of mammalian cells and are involved in numerous biological processes. Due to the capability of sugars to form multiple hydrogen bonds, many synthetic glycoconjugates are desirable biocompatible platforms for imaging, diagnostics, drugs, and supramolecular self-assemblies. Herein, we present a multimeric galactose functionalized paramagnetic gadolinium (Gd(III)) chelate that displays spontaneous dynamic aggregation in aqueous conditions. The dynamic aggregation of the Gd(III) complex was shown by the concentration-dependent magnetic resonance (MR) relaxation measurements, nuclear magnetic resonance dispersion (NMRD) analysis, and dynamic light scattering (DLS). Notably, these data showed a nonlinear relationship between magnetic resonance relaxation rate and concentrations (0.03–1.35 mM), and a large DLS hydrodynamic radius was observed in the high-concentration solutions. MR phantom images were acquired to visualize real-time dynamic aggregation behaviors in aqueous solutions. The <i>in situ</i> visualization of the dynamic self-assembling process of multivalent glycoconjugates has rarely been reported.","PeriodicalId":40,"journal":{"name":"Inorganic Chemistry","volume":"17 1","pages":""},"PeriodicalIF":4.6,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142825036","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Tandem Deacetalization-Knoevenagel Condensation Reactions for the Synthesis of Benzylidene Malononitrile Using Ruthenium(II) Cymene Complexes.","authors":"Noemi Pagliaricci, Riccardo Pettinari, Fabio Marchetti, Alessia Tombesi, Farzaneh Fadaei-Tirani, Paul J Dyson, Anirban Karmakar, Maxim L Kuznetsov, M Fátima C Guedes da Silva, Armando J L Pombeiro","doi":"10.1021/acs.inorgchem.4c03109","DOIUrl":"10.1021/acs.inorgchem.4c03109","url":null,"abstract":"<p><p>In this study, we report the synthesis and full characterization of five novel ruthenium(II) cymene complexes with the general formula [Ru(cym)(L')Cl], featuring N,O- and N,N-coordinating pyrazolone-based hydrazone ligands. We have characterized these complexes using single X-ray crystallography, Fourier-transform infrared spectroscopy (FT-IR), Nuclear magnetic resonance (NMR), elemental analysis, and Electrospray Ionization Mass Spectroscopy (ESI-MS). Crystallographic analysis confirmed that all of the complexes have a similar type of half-sandwich, pseudo-octahedral \"three-legged piano-stool\" geometry where the cymene moiety displays the typical η⁶-coordination mode and the hydrazone ligands coordinate to the Ru(II) center in a bidentate fashion. These complexes, with multiple catalytic sites, demonstrated high efficiency in catalyzing one-pot cascade deacetalization-Knoevenagel condensation reactions under mild conditions, achieving up to 92% of final product yield at 75 °C after 4 h of reaction time under solvent-free condition. Additionally, DFT calculations provided insight into the catalytic mechanism, suggesting a pathway driven by metal-ligand cooperation, assisted by the basic oxygen site of the pyrazolone ring and by the weakly acidic character of the NNH proton of the hydrazone group.</p>","PeriodicalId":40,"journal":{"name":"Inorganic Chemistry","volume":" ","pages":"23554-23567"},"PeriodicalIF":4.3,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142737718","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Achieving Bright Luminescence and X-ray Scintillation in Zero-Dimensional Cesium Zinc Bromides by Cu+–Mn2+ Codoping","authors":"Jie Hou, Jun Chen, Cheng Luo, Juntao Li, Cheng Li, Ruiling Zhang, Jianyong Liu, Peigeng Han","doi":"10.1021/acs.inorgchem.4c03821","DOIUrl":"https://doi.org/10.1021/acs.inorgchem.4c03821","url":null,"abstract":"Zero-dimensional (0D) metal halides have emerged as excellent luminescent materials for optical and optoelectronic applications. Especially environmentally friendly ternary zinc halides have recently drawn increasing attention. Herein, we present the codoping of Cu⁺ and Mn²⁺ ions into 0D Cs₂ZnBr₄ single crystals (SCs), which show bright PL emission and high stability. Adjusting the Cu⁺/Mn²⁺ ratio can make the photoluminescence quantum yield (PLQY) exceed 90%, which is much higher than that of the single-ion doped sample. The efficient PL is determined by a combination of Cu⁺–Mn²⁺ competitive interaction, Cu⁺–Mn²⁺ energy transfer, and Cu⁺–Mn²⁺ synergistic passivation. More interestingly, the codoped sample shows a better scintillation performance with a low detection limit of 52 nGy_air/s and a sensitive spatial resolution of 13.2 lp/mm. We further explore the promising applications of Cu⁺–Mn²⁺-codoped Cs₂ZnBr₄ SCs for anticounterfeiting and X-ray imaging. These results not only help to grasp the excited-state photophysical processes of 0D codoped metal halides but also provide a new way for the design and development of environmentally friendly luminescent materials.","PeriodicalId":40,"journal":{"name":"Inorganic Chemistry","volume":"30 1","pages":""},"PeriodicalIF":4.6,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142832976","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Tailoring of Spectral Behaviors in Ce³⁺-Activated Ba₂Gd₈(SiO₄)₆O₂ Cyan-Emitting Phosphors via Site Substitution Engineering for Plant Growth and Full-Spectrum White Light-Emitting Diodes.","authors":"Xuanyu Ge, Qifeng Zeng, Weiping Li, Laihui Luo, Peng Du","doi":"10.1021/acs.inorgchem.4c04104","DOIUrl":"10.1021/acs.inorgchem.4c04104","url":null,"abstract":"<p><p>Highly efficient Ce³⁺-activated Ba₂Gd₈(SiO₄)₆O₂ (BGSO) cyan-emitting phosphors were designed to simultaneously fulfill the applications of plant growth and a white-light-emitting diode (white-LED). Here, the spectral behaviors of the studied samples are manipulated by arranging Ce³⁺ to occupy various crystallographic sites (<i>i.e</i>., Ba²⁺ and Gd³⁺) in BGSO host lattices. Upon ultraviolet light excitation, all the samples emit an intense asymmetric broadband emission from Ce³⁺ and its fluorescence intensity is strongly impacted by the dopant concentration and occupied position. In addition, the resultant phosphors do not only possess satisfied thermal stability but also present high internal and extra quantum efficiencies of 78.6 and 61.8%, respectively, which can be regulated by selecting the substituted sites. Two cyan-emitting LEDs are fabricated by integrating the synthesized phosphors, and their emission bands align well with the absorption peaks of plant pigments, enabling their uses in plant growth. Furthermore, the controlled plant growth environments also clarify that the packaged cyan-emitting LED can effectively promote plant growth. Additionally, via adopting the resulting phosphors as cyan-emitting converters, full-spectrum white-LED with good electroluminescence behaviors is developed. These findings manifest that the Ce³⁺-activated BGSO phosphors with tunable spectral properties are promising cyan-emitting components for both artificial plant growth LED and full-spectrum white-LED.</p>","PeriodicalId":40,"journal":{"name":"Inorganic Chemistry","volume":" ","pages":"23837-23848"},"PeriodicalIF":4.3,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142749487","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Preparation and Adsorption Properties of a Three-Dimensional Superhydrophilic Mercury-Ion-Imprinted Polymer with Dual Recognition Site Based on MoS₂/SBA-15.","authors":"Zhanchao Liu, Rongpeng Yu, Shakeel Zeb, Qiantu Tao, Hongping Li, Jiheng Wang, Liangyin Xiang, Su Ya, Jingyong Li, Yan Liu","doi":"10.1021/acs.inorgchem.4c03843","DOIUrl":"10.1021/acs.inorgchem.4c03843","url":null,"abstract":"<p><p>Water pollution resulting from Hg(II) ions has garnered significant global concern for public health. The flexibility and simplicity of design, cost savings, and ease of operation with adaptive designs provide adsorption with a considerable advantage over other processes. However, MoS₂ is hydrophobic in nature, which limits its efficiency in the removal of Hg(II) ions from water. Therefore, the incorporation of hydrophilic SBA-15 as supporting material, combined with a nanoflower-like layered MoS₂ and its highly reactive exposed edges, produces hydrophilic properties that effectively eliminate Hg(II) from water . A mercury-ion-imprinted polymer (Hg(II)-IIP) was synthesized on the MoS₂/SBA-15 surface using <i>N</i>-allylthiourea (ATU) as a functional monomer to enhance material selectivity and create dual recognition sites. Characterization investigation using scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier transform infrared (FTIR), X-ray photoelectron spectroscopy (XPS), and water contact angle showed the successful synthesis of Hg(II)-IIP, excellent hydrophilicity, and close interaction between MoS₂ and SBA-15. The maximum adsorption capacity of Hg(II)-IIP for Hg(II) under optimized adsorption conditions was 567.78 mg·g^-1 in 90 min, which was 6 times greater than that of the IIP solely based only on SBA-15, and followed by pseudo-second-order and aligned more closely fits with the Langmuir adsorption isotherm. Furthermore, the adsorption capacity of the synthesized Hg(II)-IIP was greater than that of three other common monomers IIP. Hg(II)-IIP possesses a strong ability to regenerate, while also showing better selectivity for Hg(II) in the presence of other interfering ions, indicating its robust anti-interference capability in the multivariate mixed solution. The analysis of the actual sample indicated that Hg(II)-IIP attained recoveries between 97.92 and 100.28% in water samples. Theoretical calculations using density functional theory (DFT) and frontier molecular orbital (FMO) indicated that the binding energy of the sulfur atom forming a tetra-ligand with Hg(II) on ATU was 0.6511 eV greater than that of a diligand. The energy gap was determined to be 0.1550 eV, supporting the preference for S-Hg tetra-ligand adsorption.</p>","PeriodicalId":40,"journal":{"name":"Inorganic Chemistry","volume":" ","pages":"23705-23724"},"PeriodicalIF":4.3,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142749484","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Assembling Di- and Polynuclear Cu(I) Complexes with Rigid Thioxanthone-Based Ligands: Structures, Reactivity, and Photoluminescence","authors":"Mohammad Zafar, Vasudevan Subramaniyan, Kamal Uddin Ansari, Hadar Yakir, David Danovich, Yuri Tulchinsky","doi":"10.1021/acs.inorgchem.4c03819","DOIUrl":"https://doi.org/10.1021/acs.inorgchem.4c03819","url":null,"abstract":"Thioxanthone (TX) molecules and their derivatives are well-known photoactive compounds. Yet, there exist only a handful of luminescent systems combining TX with transition metals. Recently, we reported a TX-based PSP pincer ligand (<b>L1</b>) that appears as a promising platform for filling this niche. Herein, we demonstrate that with Cu(I) this ligand exclusively assembles into dimeric structures with either di- or polynuclear Cu(I) cores. With cationic Cu(I) precursors, complexes featuring solvent-bridged bis-cationic cores were obtained. These coordinatively unsaturated bimetallic systems showed surprisingly facile activation of the chloroform C–Cl bonds, suggesting a possible metal–metal cooperation. The reaction of <b>L1</b> with binary Cu(I) halides afforded dimeric complexes with polynuclear [CuX]_<i>n</i> (<i>n</i> = 3 or 4) cores. With X = Br or I, emissive complexes containing stairstep [CuX]₄ clusters were obtained. Emission lifetimes in the microsecond range measured for these complexes were indicative of a triplet emission (phosphorescence), which according to our time-dependent density functional theory study originates from a halide-metal-to-ligand charge transfer between the [CuX]₄ cluster and the TX backbone of <b>L1</b>. Finally, the distinctive polynucleating behavior of <b>L1</b> toward Cu(I) was also showcased by a comparison to another PSP ligand with a diaryl thioether backbone (<b>L2</b>), which formed only mononuclear pincer-type complexes, lacking any unusual reactivity or photoluminescence.","PeriodicalId":40,"journal":{"name":"Inorganic Chemistry","volume":"20 1","pages":""},"PeriodicalIF":4.6,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142832970","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Green and Scalable Preparation of Highly Conductive Alkali Metal-dhta Coordination Polymers","authors":"Toni Grgurić, Marta Razum, Valentina Martinez, Goran Zgrablić, Ana Senkić, Bahar Karadeniz, Martin Etter, Ivana Brekalo, Mihails Arhangelskis, Luka Pavić, Krunoslav Užarević","doi":"10.1021/acs.inorgchem.4c03714","DOIUrl":"https://doi.org/10.1021/acs.inorgchem.4c03714","url":null,"abstract":"2,5-Dihydroxyterephthalic acid (H₄<b>dhta</b>) is well-known for its use in the construction of functional metal−organic frameworks (MOFs). Among them, simple coordination polymers (CPs), such as lithium and sodium coordination polymers with H₄<b>dhta</b>, have been used successfully to synthesize electrically conductive MOFs and have also demonstrated great potential as positive or negative electrode materials on their own. However, there has been little exploration of the structure and physicochemical properties of these and other alkali complexes of H₄<b>dhta</b>. To address this gap, a series of 1:1 alkali metal-<b>dhta</b> coordination polymers (Li-, Na-, K-, Rb-, Cs-), showing high conductivity with a nonmonotone trend inside the series, were synthesized using green mechanochemical processing. The crystal structures of these metal−organic conductors reveal the rich coordination chemistry of the alkali cations ranging from four to ten. Their electric conductivity was influenced by cation type, coordination environment, the water present in the structure, atmosphere, and temperature. Overall, this study not only sheds light on the fascinating behavior and efficiency of monoalkali metal-dhta CPs and paves the way for the development of more efficient coordination materials for energy storage and conversion applications but also proves that sometimes the smallest changes in materials’ structure and composition can make a significant difference in conductivity.","PeriodicalId":40,"journal":{"name":"Inorganic Chemistry","volume":"174 1","pages":""},"PeriodicalIF":4.6,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142825034","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Bioinorganic Chemistry: A Field Where Biomimetism and Bioinspiration Are Central","authors":"Clotilde Policar*,&nbsp;","doi":"10.1021/acs.inorgchem.4c0486810.1021/acs.inorgchem.4c04868","DOIUrl":"https://doi.org/10.1021/acs.inorgchem.4c04868https://doi.org/10.1021/acs.inorgchem.4c04868","url":null,"abstract":"","PeriodicalId":40,"journal":{"name":"Inorganic Chemistry","volume":"63 50","pages":"23475–23478 23475–23478"},"PeriodicalIF":4.3,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142842627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Weak Coupling Strategy to Construct High-Performance Sm/Tb-Doped Lanthanide Coordination Polymer Luminescent Sensor for D₂O Detection.","authors":"Xiaoyan Wang, Yiliang Sun, Yuan Wang, Chengyan Yu, Bingliang Zhou, Jiahui Zhou, Chunyang Chen, Wei Liu, Weisheng Liu","doi":"10.1021/acs.inorgchem.4c03733","DOIUrl":"10.1021/acs.inorgchem.4c03733","url":null,"abstract":"<p><p>Accurate measurement of the purity and content of heavy water is of great concern in nuclear energy, the chemical industry, and biomedicine. Since the physical and chemical properties of D₂O and H₂O are very similar, achieving luminescent detection is challenging. Due to the difference in the vibrational frequency of the O-D and the O-H bonds, the quenching efficiency of the excited state of Ln³⁺ is different, which leads to a significant difference in the optical properties of Ln³⁺. Based on this theory, we composed a weak coupling strategy to strengthen the luminescence difference of Ln³⁺. Then, we demonstrated the weak coupling effect and how to improve detection performance by analyzing L1-Eu_0.14Tb_0.86(C₂₂H₂₀Eu_0.14Tb_0.86N₃O₁₀) and L1-Sm_0.45Tb_0.55(C₂₂H₂₀Sm_0.45Tb_0.55N₃O₁₀). The structure and performance of the two sensors were characterized in detail. A series of heavy water detection luminescence sensing experiments show that L1-Sm_0.45Tb_0.55 and L1-Eu_0.14Tb_0.86 can not only qualitatively distinguish D₂O and H₂O with the naked eye but also quantitatively detect any concentration of H₂O in D₂O. The prepared composite films L1-Sm_0.45Tb_0.55@PMMA and L1-Eu_0.14Tb_0.86@PMMA have practical application value. The application of Sm/Tb-doped lanthanide coordination polymers for detecting the H₂O content in D₂O has not been reported.</p>","PeriodicalId":40,"journal":{"name":"Inorganic Chemistry","volume":" ","pages":"23680-23690"},"PeriodicalIF":4.3,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142737724","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}