Materials Advances最新文献

{"title":"Mechanochemical synthesis of poly(azomethine)s: a sustainable vehicle for metallic supports in valorisation of glycerol","authors":"Jean A. Medina, Angela Matarín, Patricio A. Sobarzo, Claudio A. Terraza and Eva M. Maya","doi":"10.1039/D5MA00197H","DOIUrl":"https://doi.org/10.1039/D5MA00197H","url":null,"abstract":"<p >A polymeric support based on a poly(azomethine) (PAM) structure was synthesized using mechanochemical polymerization (<strong>PAM@M</strong>) and compared with its counterpart prepared <em>via</em> conventional high-temperature solution-phase polycondensation (<strong>PAM@T</strong>). The mechanochemical approach not only significantly reduced the synthesis time (1 hour <em>versus</em> 24 hours), but also resulted in a polymer with amorphous character while the one synthesized <em>via</em> conventional heating exhibits some crystalline peaks. <strong>FePAM@M</strong> demonstrated superior catalytic performance with complete conversion of glycerol to solketal with 100% selectivity in only 1 hour at room temperature, exhibiting an impressive environmental factor (<em>E</em>-factor = 3.49). The conversion of glycerol into value-added products is essential due to its large-scale generation as a by-product of biodiesel, so the results of this work highlight <strong>FePAM@M</strong> as a highly efficient and sustainable catalyst for this valorisation.</p>","PeriodicalId":18242,"journal":{"name":"Materials Advances","volume":" 18","pages":" 6500-6507"},"PeriodicalIF":4.7,"publicationDate":"2025-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/ma/d5ma00197h?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145062089","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Substrate-induced strain control of (Mn, Fe, Co, Ni)-doping effects in SrTiO3 thin films","authors":"M. Tyunina, N. Nepomniashchaia, O. Pacherova, T. Kocourek, V. Vetokhina and A. Dejneka","doi":"10.1039/D5MA00732A","DOIUrl":"https://doi.org/10.1039/D5MA00732A","url":null,"abstract":"<p >Tailoring chemical composition is the primary route to achieving desired properties of materials, including technologically important ABO<small>₃</small>-type perovskite oxides. This approach is generally assumed to translate directly to thin films. In contrast, this study demonstrates that substrates can significantly modify compositional effects in thin films. Specifically, transition-metal (M = Mn, Fe, Co, Ni) substitution is experimentally investigated in thin films of the archetypal perovskite SrTiO<small>₃</small> grown by pulsed laser deposition on different substrates. It is found that substrate-induced lattice strain regulates the preferential sites for M substitution and leads to an increase in the direct optical bandgap. In the absence of strain, doping with M cations has no effect on the bandgaps. Substrate-imposed strain and/or substitution are found to induce band tailing and weak sub-gap optical absorption. These findings highlight the unique role of substrates in engineering the chemical composition and functional properties of thin films.</p>","PeriodicalId":18242,"journal":{"name":"Materials Advances","volume":" 18","pages":" 6575-6584"},"PeriodicalIF":4.7,"publicationDate":"2025-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/ma/d5ma00732a?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145062102","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Impact of composition on the structural, electronic, and mechanical properties of M3C2T2 MXenes","authors":"Emily Sutherland, Benjamin Traverso and N. Aaron Deskins","doi":"10.1039/D5MA00874C","DOIUrl":"https://doi.org/10.1039/D5MA00874C","url":null,"abstract":"<p >MXenes are a family of layered 2D materials useful for a wide variety of applications. Their properties can be fine-tuned by choice of chemical composition (metal and termination), but the vast majority of published studies have focused on Ti-based MXenes with –O, –F, and –OH terminations. Furthermore, MXenes may have ABC or ABA stacking, but typical density functional theory (DFT) studies assume only ABC stacking. Thus, most modeling papers of MXenes have focused only on specific targeted MXenes. In this work we aimed to provide a comprehensive DFT study of possible MXenes in order to motivate and characterize MXenes beyond those common in the literature. We modeled 99 different M<small>₃</small>C<small>₂</small>T<small>₂</small> MXenes (including group 4, 5, and 6 metals; also including halogen, chalcogen, –OH, and –NH terminations). We made no assumptions about preferred termination site or stacking symmetry of these MXenes. 20% of the studied MXenes were found to prefer ABA stacking. In total we performed more than 2000 DFT calculations to predict the structural, electronic, and mechanical properties of these MXenes. We identified several MXenes with exceptional properties, and identified potential applications of such MXenes. We also connected the termination/metal choice to trends in their properties. Our work highlights how different properties of MXenes can be tuned based on their composition, and thus motivates further work on these materials.</p>","PeriodicalId":18242,"journal":{"name":"Materials Advances","volume":" 19","pages":" 6787-6802"},"PeriodicalIF":4.7,"publicationDate":"2025-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/ma/d5ma00874c?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145184006","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Selective and sustainable nitro reduction and reductive N-alkylation using a recyclable V2O5/TiO2 catalyst for amine synthesis","authors":"Rahul Upadhyay, Shashi Kumar, Kancharlapalli Srinuvasu, Chinnakonda S. Gopinath, K. R. S. Chandrakumar and Sushil K. Maurya","doi":"10.1039/D5MA00711A","DOIUrl":"https://doi.org/10.1039/D5MA00711A","url":null,"abstract":"<p >We present a sustainable and versatile catalytic platform for the synthesis of primary and secondary amines <em>via</em> the selective reduction of nitroarenes, employing a heterogeneous V<small>₂</small>O<small>₅</small>/TiO<small>₂</small> catalyst. This methodology eliminates the use of stoichiometric metal hydrides, molecular hydrogen, and homogeneous catalytic systems, aligning with green chemistry principles. The catalyst exhibits excellent chemoselectivity across a diverse array of nitroarenes, including substrates bearing alkenes, alkynes, halogens, and functionalized heterocycles, demonstrating broad functional group tolerance. Furthermore, we extend this platform to a one-pot reductive alkylation of nitroarenes with alkyl halides (Br and I), affording <em>N</em>-alkylated amines in high yields under mild conditions. The catalytic system is recyclable over multiple cycles with minimal loss of activity or selectivity, showcasing its practical utility. The synthetic value of this approach is highlighted through the preparation of 47 (hetero)arylamines, 12 secondary amines, and 7 pharmaceutically relevant molecules, including paracetamol, phenacetin, and bromhexine. Mechanistic insights derived from DFT calculations and controlled experiments provide a molecular-level understanding of the selective nitro group activation on the V<small>₂</small>O<small>₅</small>/TiO<small>₂</small> surface. This work contributes a green, efficient, and mechanistically informed catalytic solution for amine synthesis from abundant nitroarenes.</p>","PeriodicalId":18242,"journal":{"name":"Materials Advances","volume":" 19","pages":" 7076-7089"},"PeriodicalIF":4.7,"publicationDate":"2025-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/ma/d5ma00711a?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145184056","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Efficacy of PVX and PEGylated PVX as intratumoral immunotherapy","authors":"Yifeng Ma, Mary G. Gorman, Juliane Schuphan and Nicole F. Steinmetz","doi":"10.1039/D5MA00215J","DOIUrl":"10.1039/D5MA00215J","url":null,"abstract":"<p >Intratumoral immunotherapy harnesses the tumor microenvironment to enhance local immune activation and systemic antitumor responses. Plant virus nanoparticles have emerged as potent immunostimulatory agents for this strategy. Here, we investigate the efficacy of PEGylated potato virus X (PVX–PEG) in a B-cell lymphoma model. We synthesized PVX–PEG using bis-PEG<small>_<em>n</em></small>-NHS esters and confirmed successful conjugation through SDS–PAGE, dynamic light scattering, and transmission electron microscopy. PEGylation improved formulation stability, as evidenced by increased thermal resistance and reduced aggregation in biological conditions. <em>In vivo</em>, PVX–PEG exhibited prolonged tumor retention and maintained its immunotherapeutic efficacy, comparable to native PVX. Furthermore, antibody recognition of PVX–PEG was significantly reduced, highlighting its potential for clinical translation. These results suggest that PVX–PEG retains the immunostimulatory benefits of PVX while overcoming key formulation and immunogenicity challenges, supporting its advancement as a novel intratumoral immunotherapy for lymphoma.</p>","PeriodicalId":18242,"journal":{"name":"Materials Advances","volume":" 18","pages":" 6493-6499"},"PeriodicalIF":4.7,"publicationDate":"2025-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12352741/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144873910","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Flame-retardant impregnation of flexible hybrid-silica marshmallow aerogels for lightweight transportation","authors":"Danny Bialuschewski, Kai Steffens and Barbara Milow","doi":"10.1039/D5MA00695C","DOIUrl":"https://doi.org/10.1039/D5MA00695C","url":null,"abstract":"<p >One of the main drawbacks for hybrid-silica aerogels is their flammability, an inherent property of the organic groups which severely limits their potential. This research is an important step to produce viable aerogels and take advantage of their low thermal conductivity and very low density, for example as lightweight insulation material used in aircraft cabins or other vehicles. Within this work, three different flexible hybrid-silica aerogel systems with different shapes and densities were investigated towards their burn behavior before and after soaking with the flame-retardant triphenyl phosphate (TPP). For this, different concentrations and evaporation temperatures were used before ultimately burning the samples while tracking the duration of the different fire stages. This data was used to calculate their flammability and overall performance for lightweight application in airplanes. In addition to this, other pre- and post-burn analysis like IR, TGA or melting behavior were performed. In the end, we were able to produce promising samples with good flame-retardancy at only minimal increase in density, an overall key combination useful for many different applications.</p>","PeriodicalId":18242,"journal":{"name":"Materials Advances","volume":" 18","pages":" 6585-6595"},"PeriodicalIF":4.7,"publicationDate":"2025-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/ma/d5ma00695c?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145062103","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Cold sintered TiO2–Ti3C2Tx MXene nanocomposites for supercapacitor electrode materials†","authors":"Abdul Hamid Rumman, Saimon Mahmud, Nishat Tasnim Mim, Janifa Akter, Ananya Roy, Ahsiur Rahman Nirjhar, Md. Nazmul Ahsan Dipon, Md. Shofiqul Islam, Md Abdul Gafur, Aninda Nafis Ahmed and Kazi Md. Shorowordi","doi":"10.1039/D4MA01212G","DOIUrl":"https://doi.org/10.1039/D4MA01212G","url":null,"abstract":"<p >MXene-based materials exhibit unique electrochemical properties due to their 2D layered structure with high surface areas, making them ideal candidates for electrode materials in advanced electrochemical energy storage systems. The capacitive properties of Ti<small>₃</small>C<small>₂</small>T<small>_<em>x</em></small> MXenes (T<small>_<em>x</em></small> denotes the surface terminator group, such as –F, –OH, and <img>O) can be enhanced by decorating surface layers with transition metal oxides, such as TiO<small>₂</small>. Conventional <em>in situ</em> synthesis methods lack precise control over the TiO<small>₂</small> content within the MXene structure. In this study, a contemporary cold sintering process (CSP) was employed to fabricate the TiO<small>₂</small>–Ti<small>₃</small>C<small>₂</small>T<small>_<em>x</em></small> nanocomposite, enabling a controlled amount of TiO<small>₂</small> particle addition into the MXene matrix. Consequently, it provided a means to correlate the electrochemical performance of the nanocomposites with the TiO<small>₂</small> content. Through the CSP, the nanocomposites were fabricated at low temperature (150 °C) and pressure (150 MPa) assisted by a transient liquid, achieving high relative density (&gt;85%). The electrochemical performance analysis revealed an increase in specific capacitance with increasing TiO<small>₂</small> content, reaching up to 117 F g<small>⁻¹</small> for (40 wt%) TiO<small>₂</small>/MXene at a 10 mV s<small>⁻¹</small> scan rate surpassing that of the pristine MXene (55.29 F g<small>⁻¹</small>). Additionally, the charge transfer resistance substantially declined from 4.01 Ω cm<small>²</small> for the pristine MXene to as low as 0.51 Ω cm<small>²</small> for (40 wt%) TiO<small>₂</small>/MXene. Surprisingly, the nanocomposite samples demonstrated more than a 200% increase in the specific capacitance after 1000 charging–discharging cycles at 1.5 A g<small>⁻¹</small>, attributed to the ion intercalation and surface terminator group (T<small>_<em>x</em></small>) alteration in MXenes. Overall, this study highlights the application of the CSP as a valuable tool for precisely tailoring the electrochemical properties of TiO<small>₂</small>–Ti<small>₃</small>C<small>₂</small>T<small>_<em>x</em></small> MXene nanocomposites.</p>","PeriodicalId":18242,"journal":{"name":"Materials Advances","volume":" 18","pages":" 6454-6468"},"PeriodicalIF":4.7,"publicationDate":"2025-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/ma/d4ma01212g?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145062011","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Electronic paramagnetic resonance analysis of point defects in lithium niobate: progress and prospects","authors":"Huaize Qin, Xu Chen, Jiankang Zhang, Yukun Song, Longxi Zhang, Qilu Liu, Fulei Wang, Dongzhou Wang, Yuanhua Sang and Hong Liu","doi":"10.1039/D5MA00721F","DOIUrl":"https://doi.org/10.1039/D5MA00721F","url":null,"abstract":"<p >Lithium niobate (LiNbO<small>₃</small>) crystals, renowned for their exceptional piezoelectric, electro-optic, and nonlinear optical properties, are indispensable in photonic applications such as optical communication, integrated optics, and laser technology. However, the performance of LiNbO<small>₃</small>-based devices is fundamentally limited by point defects. Consequently, elucidating the mechanisms underlying point defect formation and achieving precise control over defect engineering have emerged as critical research priorities. Although conventional characterization techniques face inherent limitations in directly resolving the microstructures of point defects, electron paramagnetic resonance (EPR) spectroscopy has proven to be a pivotal analytical tool for the non-destructive characterization of paramagnetic defects, driving significant advancements in LiNbO<small>₃</small> defect research. This article summarizes the intrinsic and impurity defects that significantly affect the optoelectronic properties of LiNbO<small>₃</small> crystals. Firstly, it elucidates the primary types of point defects, their microstructural characteristics, and their impacts on material properties. Subsequently, it highlights the advancements in EPR technology for studying point defects and provides an in-depth analysis of its advantages in defect analysis. Finally, it proposes the future concerns of studying point defects in LiNbO<small>₃</small> crystals using EPR technology.</p>","PeriodicalId":18242,"journal":{"name":"Materials Advances","volume":" 19","pages":" 6648-6663"},"PeriodicalIF":4.7,"publicationDate":"2025-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/ma/d5ma00721f?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145183977","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Topographical modification of titanium using diatom biosilica to promote human mesenchymal stem cell proliferation and osteogenic differentiation","authors":"Rossella Labarile, Danilo Vona, Maria Michela Giangregorio, Roberto Gristina, Vincenza Armenise, Paola Albanese, Gianluca Maria Farinola and Stefania R. Cicco","doi":"10.1039/D5MA00525F","DOIUrl":"https://doi.org/10.1039/D5MA00525F","url":null,"abstract":"<p >Silica-based biomaterials have gained significant attention in the fields of orthopedics and dentistry due to their favorable properties that promote bone regeneration and integration. Techniques such as surface coatings or functionalization can be applied to silica-based biomaterials to further enhance the biological interactions with various composites and hybrid systems, enhancing the properties of polymers, ceramics, and metals used in implants. Diatoms microalgae are fascinating organisms that provide an innovative approach to source silica-based materials sustainably. Diatom-derived biosilica has been proved to be valuable for applications in various fields such as catalysis, drug delivery, environmental remediation. This study explores the potential of <em>Navicula (N.) pelliculosa</em>, a benthic diatom, to self-assemble on smooth titanium (Ti) surfaces. This self-adhesion phenomenon and subsequent topographical modification of the titanium surface are exploited to enhance the growth and osteogenic differentiation of hMSCs. By culturing hMSCs on titanium surfaces that have been nanotextured with the hierarchical silica texture of <em>N. pelliculosa</em>, increase in calcium deposition is observed within the extracellular matrix, along with elevated collagen production and upregulation of <em>RUNX2</em>, <em>SP7</em>, and <em>COL1A1</em>. These results indicate that the diatom's structure may serve as an effective bioactive interface to facilitate stem cell behavior and promote bone tissue engineering.</p>","PeriodicalId":18242,"journal":{"name":"Materials Advances","volume":" 20","pages":" 7252-7260"},"PeriodicalIF":4.7,"publicationDate":"2025-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/ma/d5ma00525f?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145284123","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Biodegradable polyhydroxyalkanoate (PHA) composites with biochar ratios optimized for the additive manufacturing method of material extrusion: engineering, rheological, and morphological insights†","authors":"Nectarios Vidakis, Nikolaos Michailidis, Dimitrios Kalderis, Apostolos Argyros, Katerina Gkagkanatsiou, Maria Spyridaki, Ioannis Valsamos, Vassilis Papadakis and Markos Petousis","doi":"10.1039/D5MA00266D","DOIUrl":"https://doi.org/10.1039/D5MA00266D","url":null,"abstract":"<p >Naturally derived poly(hydroxyalkanoate) (PHA) and biochar from agricultural residues were combined to develop an environmentally friendly, completely biodegradable composite with improved thermal and mechanical properties. Six filler concentrations (0.0, 0.5, 1.0, 1.5, 2.0, and 2.5 wt%) were prepared to extrude into filaments and subsequently manufacture the respective 3D printed composites through material extrusion (MEX) additive manufacturing (AM). The samples discussed here are bio-originated composites, and as a consequence, they can potentially be a revolutionary replacement for environmentally harmful, industrially produced polymeric materials, at the appropriate and desired applications. 3D printed PHA/biochar composites have potential for use across a range of industrial applications such as packaging, agriculture, prototyping, and environmental monitoring, where sustainability and biodegradability are requirements. Still, their industrialization involves several challenges, such as the brittleness of PHA, the interaction with the biochar, and possible printability issues that need to be addressed. The samples were subjected to several tests to assess their rheological, thermal, and mechanical properties, as well as their structure and morphology. Thermogravimetric analysis, dynamic mechanical analysis, differential scanning calorimetry, tensile tests, bending tests, microhardness, and Charpy impact tests were conducted. In addition, the porosity and dimensional accuracy were evaluated, while scanning electron microscopy and, by extension, energy dispersive spectroscopy were used to assess microstructure formation. The obtained results indicated enhanced performance in the biochar 0.5 wt% compound in terms of tensile (17.7% increase) and bending toughness (3.1% increase), bending strength (32.8 MPa, 15.3% increase), and Charpy (1.9% increase) impact strength, and for PHA/1.0 wt% biochar composites regarding tensile strength (22.1 MPa, 15.3% increase), Young's modulus (131.5 MPa, 25.4% increase), dimensional accuracy (better by 11.2%), and porosity (reduced by 23.3%).</p>","PeriodicalId":18242,"journal":{"name":"Materials Advances","volume":" 18","pages":" 6427-6444"},"PeriodicalIF":4.7,"publicationDate":"2025-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/ma/d5ma00266d?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145062071","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}