Ultrasonics Sonochemistry最新文献

{"title":"Corrigendum to \"Influence of ultrasonic pretreatment on the quality attributes and pectin structure of chili peppers (Capsicum spp.)\" [Ultrason. Sonochem. 110 (2024) 107041].","authors":"Xin Nian, Jitao Wang, Mengze Wang, Yaqi Wang, Shiwei Liu, Yudan Cao","doi":"10.1016/j.ultsonch.2024.107126","DOIUrl":"https://doi.org/10.1016/j.ultsonch.2024.107126","url":null,"abstract":"","PeriodicalId":442,"journal":{"name":"Ultrasonics Sonochemistry","volume":" ","pages":"107126"},"PeriodicalIF":8.7,"publicationDate":"2024-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142602330","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ultrasonic dissolution of solid Al in liquid Sn during soldering: Modeling and equation, trend prediction, accelerating effect","authors":"Di Zhao ,&nbsp;Wenkang Du ,&nbsp;Shu Guo ,&nbsp;Ziyang Xiu ,&nbsp;Zhiwu Xu ,&nbsp;Jiuchun Yan","doi":"10.1016/j.ultsonch.2024.107142","DOIUrl":"10.1016/j.ultsonch.2024.107142","url":null,"abstract":"<div><div>Soldering of ceramics/metals using an inactive commercial solder with the advantage of low cost has wide application prospects. The dissolution behavior of base metal could not be quantified, which has been a basic issue for the joining design. This work investigated the dissolution of the solid Al in liquid Sn with and without the ultrasound. The physical model for the dissolving process was established based on the experiments. The relationship equation of the average concentration of Al (<span><math><msub><mi>C</mi><mi>a</mi></msub></math></span>) and soldering time was derived by using the Nernst-Brunner principle. The key parameters of limiting solubility (<span><math><msubsup><mi>C</mi><mrow><mn>0</mn></mrow><mi>L</mi></msubsup></math></span>) and dissolution rate constant (<span><math><mi>K</mi></math></span>) were obtained through dissolving experiments of liquid Sn to solid Al. The calculation results show that the effect of soldering temperature, and thickness Sn layer on the Al concentration (<span><math><msub><mi>C</mi><mi>a</mi></msub></math></span>) and dissolution rate (<span><math><mrow><mi>d</mi><msub><mi>C</mi><mi>a</mi></msub><mo>/</mo><mi>d</mi><mi>t</mi></mrow></math></span>) under ultrasound is weaker than that without ultrasound. Compared to the condition without ultrasound, the value <span><math><mi>K</mi></math></span>, the maximum value of <span><math><msub><mi>C</mi><mi>a</mi></msub></math></span> and <span><math><mrow><mi>d</mi><msub><mi>C</mi><mi>a</mi></msub><mo>/</mo><mi>d</mi><mi>t</mi></mrow></math></span> was increased by 5.8 times, 4.5 times, and 52 times at 250 °C under the ultrasound action, respectively, and the activation energy of dissolution was reduced by 41 %. The mechanism of ultrasonically accelerating dissolution of the solid Al by the liquid Sn has been revealed by using the bubble dynamics principle. It will provide a guideline for the design of soldering ceramics/metals using an inactive commercial solder.</div></div>","PeriodicalId":442,"journal":{"name":"Ultrasonics Sonochemistry","volume":"111 ","pages":"Article 107142"},"PeriodicalIF":8.7,"publicationDate":"2024-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142638062","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of mechanical stirring on sonoluminescence and sonochemiluminescence","authors":"Atiyeh Aghelmaleki ,&nbsp;Hossein Afarideh ,&nbsp;Carlos Cairós ,&nbsp;Rachel Pflieger ,&nbsp;Robert Mettin","doi":"10.1016/j.ultsonch.2024.107145","DOIUrl":"10.1016/j.ultsonch.2024.107145","url":null,"abstract":"<div><div>Light emissions from cavitating liquids serve as a diagnostic tool for chemical activity, bubble collapse conditions, or excited species. Here we demonstrate the influence of mechanical stirring on sonoluminescence (SL) and sonochemiluminescence (SCL) emissions emerging in the presence of dissolved sodium salts and luminol in different sonicated liquids. In the systems investigated, driven in the 20–40 kHz range, stirring can change the spatial distribution of blue/white broadband SL emissions and of the orange sodium D-line emission, as well as their relative intensities. In many cases, an amplification of sodium emission is observed under stirring, but striking exceptions appear as well. SCL emission from luminol is mainly quenched by the mechanical agitation. The liquids under study comprise water, ethylene glycol, and phosphoric acid, all with dissolved argon or krypton, and partly xenon. From the stirring-induced changes in sonoluminescence and from high-speed video recordings, we try to draw conclusions on the actual effects of the induced rapid bulk liquid flow on the cavitating systems. Main effects seem to be enhanced gas diffusion and bubble separation or de-clustering, possibly by a separative impact of the stirring flow on populations of smaller and larger bubbles, respectively. As a consequence, large bubbles with extremely bright sonoluminescence flashes appear in phosphoric acid under stirring. Overall, a certain sensitivity of stirring effects on further system parameters has to be stated.</div></div>","PeriodicalId":442,"journal":{"name":"Ultrasonics Sonochemistry","volume":"111 ","pages":"Article 107145"},"PeriodicalIF":8.7,"publicationDate":"2024-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142643429","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Soy protein gels based on ultrasonic treatment: Effects of Ca2+ and 11S/7S ratio on gel structures and digestive properties","authors":"Ruqi Guo,&nbsp;Xiaoqi Deng,&nbsp;Qinlin Hu,&nbsp;Ying Zhu,&nbsp;Xiuqing Zhu","doi":"10.1016/j.ultsonch.2024.107143","DOIUrl":"10.1016/j.ultsonch.2024.107143","url":null,"abstract":"<div><div>This study aimed to explore the impact of varying Ca²⁺ concentrations and 11S/7S ratios on the gel performance of soybean protein gels (SPGs) under ultrasonication (400 W, 15 min) and to clarify the mechanisms involved. Results showed Ca²⁺ addition altered the structure of soybean 11S/7S protein gels. Low Ca²⁺ levels increased the turbidity, hardness, and water retention of the gels, whereas high levels disrupted the orderly aggregation of 11S/7S proteins, creating a rough, porous network. The effect of Ca²⁺ was more pronounced with a higher 11S ratio, significantly influencing turbidity, disulfide bonding, and gel hardness. Conversely, 7S-rich gels showed reduced sensitivity to Ca²⁺. In vitro digestion and SDS-PAGE results indicated that 7S globulin’s α, α’, and β subunits were more digestible than the A and B subunits of 11S globulin. In conclusion, ultrasound combined with Ca²⁺ can enhance the cross-linking degree between 11S and 7S globulin, forming a dense network structure.</div></div>","PeriodicalId":442,"journal":{"name":"Ultrasonics Sonochemistry","volume":"111 ","pages":"Article 107143"},"PeriodicalIF":8.7,"publicationDate":"2024-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142643433","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Numerical investigation of three-dimensional effects of hydrodynamic cavitation in a Venturi tube","authors":"Dhruv Apte ,&nbsp;Mingming Ge ,&nbsp;Guangjian Zhang ,&nbsp;Olivier Coutier-Delgosha","doi":"10.1016/j.ultsonch.2024.107122","DOIUrl":"10.1016/j.ultsonch.2024.107122","url":null,"abstract":"<div><div>Hydrodynamic Cavitation (HC) is a highly turbulent, unsteady, multi-phase flow that has been useful in many processing applications like wastewater treatment and process intensification and hence needs to be studied in detail. The aim of this study is to investigate the mechanisms driving HC inside a Venturi tube using numerical simulations. The numerical simulations are conducted in the form of both two-dimensional (2D) and three-dimensional (3D) simulations using the Detached Eddy Simulation (DES) model database to simulate the cavitation–turbulence interplay, and the results are validated against high-fidelity experimental data. Initial 2D calculation results show that though URANS models are able to show unsteady cavitation, they are unable to reproduce the correct cavity morphology while the DES models reproduce the cavity morphology accurately. After extending to 3D simulations and the resulting vorticity budget analysis highlight the cavitation–vortex interactions and show the domination of velocity gradients and the growth and shrinking of the fluid element terms over the baroclinic torque for vortex production. Finally, localized scale comparisons are conducted to evaluate the model’s ability to simulate the cavitation–turbulence interaction. It is observed that the 3D DES simulations are able to predict accurately the cavitation–turbulence interaction on a localized scale for turbulence properties like Reynolds shear stress and Turbulent Kinetic Energy (TKE), emphasizing the 3D effects of turbulence and their influence on the cavitating flow. However, significant discrepancies continue to exist between the numerical simulations and experiments, near the throat where the numerical simulations predict a thinner cavity. Therefore, this study offers new insights on simulating HC and highlights the bottleneck between turbulence model development and accurate simulations of HC to provide a reference for improving modeling accuracy.</div></div>","PeriodicalId":442,"journal":{"name":"Ultrasonics Sonochemistry","volume":"111 ","pages":"Article 107122"},"PeriodicalIF":8.7,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142586382","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ultrasound-assisted extraction of triterpenoids from Chaenomeles speciosa leaves: Process optimization, adsorptive enrichment, chemical profiling, and protection against ulcerative colitis","authors":"Mengyang Hou ,&nbsp;Jingchun Shi ,&nbsp;Chengyuan Lin ,&nbsp;Lin Zhu ,&nbsp;Zhaoxiang Bian","doi":"10.1016/j.ultsonch.2024.107136","DOIUrl":"10.1016/j.ultsonch.2024.107136","url":null,"abstract":"<div><div>For the valorization of <em>Chaenomeles speciosa</em> leaves, this study focused on extraction, enrichment, chemical profiling, and investigation of the biological activity of its abundant triterpenoid components. Initially, the total triterpenoids in <em>C. speciosa</em> leaves were extracted by ultrasonic-assisted extraction (UAE) method, with the extraction process optimized through response surface methodology (RSM). Under the optimal conditions of extraction solvent 93 % EtOH, ultrasound power 390 W, extraction time 30 min, extraction temperature 70 °C, liquid-to-solid ratio 25 mL/g, and 2 extraction cycles, the maximum total triterpenoids yield (TTY) reached 36.77 ± 0.40 mg/g. The total triterpenoids in the crude extract were subsequently enriched by X-5 resin column chromatography, resulting in a fourfold increase in purity, reaching 73.27 ± 0.84 %. Thirteen compounds in the triterpenoid-rich fraction (TRF) were identified through UPLC–QTOF-MS/MS, and five major triterpenoids (oleanolic acid, ursolic acid, betulinic acid, maslinic acid, and pomolic acid) were simultaneously quantified by HPLC–QQQ-MS. Furthermore, TRF demonstrated a notable amelioration against dextran sodium sulfate (DSS)-induced ulcerative colitis in mice, indicating its promise as a potent intervention for this condition. In summary, this study will contribute to enhancing the utilization efficiency of <em>Chaenomeles speciosa</em> leaves.</div></div>","PeriodicalId":442,"journal":{"name":"Ultrasonics Sonochemistry","volume":"111 ","pages":"Article 107136"},"PeriodicalIF":8.7,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142567100","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Multi-frequency power ultrasound (MFPU) pretreatment of crayfish (Procambarus clarkii): Effect on the enzymatic hydrolysis process and subsequent Maillard reaction","authors":"Weiqiang Yan ,&nbsp;Zhijun Chen ,&nbsp;Chao Zhang ,&nbsp;Yao Xu ,&nbsp;Chang Han ,&nbsp;Ling Yue ,&nbsp;Qiulian Kong ,&nbsp;Qi Zheng ,&nbsp;Wenhui Tian ,&nbsp;Baoguo Xu","doi":"10.1016/j.ultsonch.2024.107140","DOIUrl":"10.1016/j.ultsonch.2024.107140","url":null,"abstract":"<div><div>Crayfish, as a new consumer trend, has become one of the most popular freshwater aquatic foods in China, and its processed product output has been increasing year by year. In this study, the effect of multi-frequency power ultrasound (MFPU) pretreatment in various working modes including mono-, dual- and tri-frequency on the enzymatic hydrolysis and Maillard reaction of crayfish was investigated. Additionally, the underlying mechanism was also explored. Results showed that the degree of hydrolysis (DH) of crayfish was 23.89 %, while it increased to 40.78 % after MFPU pretreatment at 20/40 kHz dual-frequency, indicating that MFPU pretreatment significantly (<em>p</em> &lt; 0.05) enhanced the enzymatic hydrolysis of crayfish. The crayfish protein after MFPU pretreatment exhibited a decrease in α-helix and increase in β-fold content, and the occurrence in the unfolding of the protein structure and alteration of tertiary structure. According to scanning electron microscopy (SEM) and atomic force microscopy (AFM) analyses, the MFPU pretreatment resulted in the fragmentation of crayfish protein. During the analyses of subsequent Maillard reaction, the composition and quantity of volatiles detected by the electronic nose and GC–MS indicated that MFPU pretreatment enhanced flavor of the Maillard reaction products. In conclusion, MFPU pretreatment is a promising technology for improving the degree of hydrolysis of crayfish protein and enhancing the flavor of Maillard reaction products.</div></div>","PeriodicalId":442,"journal":{"name":"Ultrasonics Sonochemistry","volume":"111 ","pages":"Article 107140"},"PeriodicalIF":8.7,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142563387","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ultrasound effect on flavor profile of beef jerky produced with partial potassium salt substitute based on GC-IMS technology","authors":"Jian Zhang ,&nbsp;Lei Jin ,&nbsp;Jianjun Zhou ,&nbsp;Chao Ma ,&nbsp;Jie Cui ,&nbsp;Jinchi Jiang ,&nbsp;Wenhui Li ,&nbsp;Si Wu ,&nbsp;Wangang Zhang ,&nbsp;Yonghong Hu","doi":"10.1016/j.ultsonch.2024.107139","DOIUrl":"10.1016/j.ultsonch.2024.107139","url":null,"abstract":"<div><div>Traditional beef jerky contains a high content of sodium salt while the reduction of sodium usage impairs the flavor of final product. Regarding above issues, this research innovatively applied ultrasound-assisted salts (NaCl and KCl) recombination in the pickling stage of low-sodium beef jerky, and further compared the flavor differences caused by ultrasound by sensory evaluation, E-nose and GC-IMS. Besides, the changes of physicochemical qualities were explored including salts content, color and shear force. Results showed that ultrasound had positive impacts on flavor quality. The 400 W treatment was chosen as an optimal group for flavor improvement which was mainly related with the increased level of 5 aldehydes (nonanal, 3-methylbutanal, heptanal, pentanal and octanal) and the decreased level of 3 ketones (2-butanone, 2-pentanone and 2,3-pentanedione). Simultaneously, ultrasound increased the redness and tenderness of final product. Thus, ultrasound is a promising approach for improving the flavor of low-sodium beef jerky.</div></div>","PeriodicalId":442,"journal":{"name":"Ultrasonics Sonochemistry","volume":"111 ","pages":"Article 107139"},"PeriodicalIF":8.7,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142567073","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Circulation process of methyl ester production from pretreated sludge palm oil using CaO/ABS catalytic static mixer coupled with an ultrasonic clamp","authors":"Kritsakon Pongraktham,&nbsp;Krit Somnuk","doi":"10.1016/j.ultsonch.2024.107138","DOIUrl":"10.1016/j.ultsonch.2024.107138","url":null,"abstract":"<div><div>This study investigates the potential of fused deposition modeling (FDM) three-dimensional (3D) printing techniques for manufacturing catalytic static mixers during biodiesel synthesis. The printed catalytic mixing elements comprises acrylonitrile butadiene styrene (ABS) plastic with 15 wt% calcium oxide (CaO) as a solid catalyst. When the reactants flowed through the CaO/ABS mixing device, the blending and acceleration processes were both significantly impacted. Moreover, their characteristics, performance in biodiesel production, reusability, and economy were analyzed. The effects of methanol to oil (M:O) molar ratio, circulation time, and sonication time on methyl ester (ME) purity were also examined. The results showed that CaO crystals were distributed on the CaO/ABS mixer’s surface, which is crucial for catalytic purposes. During circulation process of ME from pretreated sludge palm oil (PSPO), catalytic static mixer (CSM) and CSM coupled with ultrasound (CSM/US) reactors were employed. The full ultrasonic power of CSM/US reactor of 16 × 400 W (total 6400 W) was operated at 20 kHz frequency. Moreover, the continuous and pulse ultrasonic modes of CSM/US reactor were compared to determine the ME purity and electricity consumption for ME production. For the CSM reactor, 12:1 M:O molar ratio and 8.5 h circulation time were recommended to realize 94.2 wt% ME purity. For the CSM/US reactor, 12:1 M:O molar ratio and 2.25 h circulation time were recommended to achieve 96.5 wt% ME purity. Under the pulsed mode operation, ME purity of 95.09 wt% was achieved, with a reduction in electricity consumption by approximately 37.6 % compared to continuous mode operation. Furthermore, the CaO/ABS catalytic static mixer was determined to be reusable for up to three cycles in both CSM and CSM/US reactors. Thus, CaO/ABS catalytic static mixers assure high purity ME production through FDM 3D printing technology with a CaO solid catalyst.</div></div>","PeriodicalId":442,"journal":{"name":"Ultrasonics Sonochemistry","volume":"111 ","pages":"Article 107138"},"PeriodicalIF":8.7,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142602332","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ultrasonication-mediated synthesis of diblock polymer-based nanoparticles for advanced drug delivery systems: Insights and optimization","authors":"Nagaraja Sreeharsha ,&nbsp;Srikruthi Kunigal Sridhar ,&nbsp;Asha Bhuvanahalli Rangappa ,&nbsp;Prakash Goudanavar ,&nbsp;Purushotham Karadigere Nagaraju ,&nbsp;Nimbagal Raghavendra Naveen ,&nbsp;Predeepkumar Narayanappa Shiroorkar ,&nbsp;Afzal Haq Asif ,&nbsp;Girish Meravanige ,&nbsp;Krishna Swaroop Duddi Sreehari","doi":"10.1016/j.ultsonch.2024.107137","DOIUrl":"10.1016/j.ultsonch.2024.107137","url":null,"abstract":"<div><div>This study presents the synthesis and optimization of Methylene polyethyl glycol −Polystyrene (mPEG-PS) Diblock (DIP) copolymer-based solid lipid nanoparticles (SLNs) using ultrasonication for advanced drug delivery systems targeting the human immunodeficiency virus (HIV-1). The mPEG-PS block copolymer was synthesized by ring opening polymerization mechanism under nitrogen atmosphere for 24hrs and characterized using Fourier Transform Infrared Spectroscopy (FTIR) spectroscopy and NMR, confirming the formation of DIP polymers. Optimization of SLNs formulation was achieved through a systematic approach, utilizing response surface methodology, optimal conditions for SLNs synthesis were determined, resulting in nanoparticles with a particle size of 198 nm and an entrapment efficiency of 67.42 %. Cell viability assays, quantitative PCR for viral DNA analysis, caspase-3 enzyme assays, and quantitative uptake studies using High Performance Liquid Chromatography (HPLC) provided quantitative insights into the efficacy and biocompatibility of the synthesized nanoparticles. The experimental data demonstrate that nanoparticle treatments significantly influence cellular responses, providing valuable insights into their therapeutic potential and underlying mechanisms. By employing precise experimental methods alongside rigorous analytical techniques, this study enhances our understanding of nanoparticle-based drug delivery systems, particularly in the context of HIV treatment. These findings pave the way for optimizing therapeutic strategies to improve patient outcomes.</div></div>","PeriodicalId":442,"journal":{"name":"Ultrasonics Sonochemistry","volume":"111 ","pages":"Article 107137"},"PeriodicalIF":8.7,"publicationDate":"2024-10-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142611661","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}