Ultrasonics Sonochemistry最新文献_第9页

Ultrasound-assisted extraction, purification, sulfation of Perilla leaves polysaccharide and hypoglycemic and hypolipidemic activities 超声辅助提取、纯化、磺化紫苏叶多糖及降糖降血脂活性

IF 8.7 1区化学

Ultrasonics Sonochemistry Pub Date : 2025-02-20 DOI: 10.1016/j.ultsonch.2025.107269

Jing Guan , Peng Guo , Meng Chen , Wenzhao Wang, Xinyu Chen, Qiuyun Li, Yiyang He, Jiayue Liang, Ningxin Yu, Pengna Gao, Yanli Wu

{"title":"Ultrasound-assisted extraction, purification, sulfation of Perilla leaves polysaccharide and hypoglycemic and hypolipidemic activities","authors":"Jing Guan , Peng Guo , Meng Chen , Wenzhao Wang, Xinyu Chen, Qiuyun Li, Yiyang He, Jiayue Liang, Ningxin Yu, Pengna Gao, Yanli Wu","doi":"10.1016/j.ultsonch.2025.107269","DOIUrl":"10.1016/j.ultsonch.2025.107269","url":null,"abstract":"<div><div><em>Perilla</em> leaves are a common traditional medicinal and edible crop, in order to further explore its medicinal value, after determining the optimal ultrasound-assisted extraction conditions a neutral polysaccharide was extracted. Its structure was analyzed, and sulfation modification was carried out. After purification by different column chromatography, the optimal process for sulfation modification of PLP-2-1 was established, and sulfated modified PLP-2-1 (S-PLP-2-1) was successfully prepared. The potential structural framework and molecular weight of PLP-2-1 were determined by high performance liquid chromatography (HPLC), methylation analysis, and nuclear magnetic resonance (NMR) techniques, while sulfated modified S-PLP-2-1 maintained a high degree of structural similarity to PLP-2-1. Particle size analysis, Zeta potential measurement, infrared spectroscopy, and NMR analysis confirmed the presence of sulfate groups in S-PLP-2-1, while thermogravimetric and rheological analyses provided support for the development and utilization of these two polysaccharides. After determined the safe concentration range in vitro, the antioxidant and hypoglycemic activities of PLP-2-1 and S-PLP-2-1 were measured. Besides, the effects on the levels of total cholesterol (TC), triglyceride (TG), high-density lipoprotein cholesterol (HDL-C), and low-density lipoprotein cholesterol (LDL-C) in oleic acid (OA) induced high-fat HepG2 cells of both polysaccharides were determined. The results indicated that the various biological activities of S-PLP-2-1 were significantly enhanced after sulfation modification. Therefore, PLP-2-1 and S-PLP-2-1 have the potential to be developed as drugs for anti-glycolipid metabolism disorders.</div></div>","PeriodicalId":442,"journal":{"name":"Ultrasonics Sonochemistry","volume":"117 ","pages":"Article 107269"},"PeriodicalIF":8.7,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143852346","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}

引用次数: 0

Surfactant-assisted phase selective sonochemical synthesis of sodium yttrium fluoride nanoparticles 表面活性剂辅助相选择声化学合成氟化钇钠纳米颗粒

IF 8.7 1区化学

Ultrasonics Sonochemistry Pub Date : 2025-02-20 DOI: 10.1016/j.ultsonch.2025.107275

Fabio Baum , Lars Forberger , Alexander B. Bard , Rachel Gariepy , Peter J. Pauzauskie , Lilo D. Pozzo

{"title":"Surfactant-assisted phase selective sonochemical synthesis of sodium yttrium fluoride nanoparticles","authors":"Fabio Baum , Lars Forberger , Alexander B. Bard , Rachel Gariepy , Peter J. Pauzauskie , Lilo D. Pozzo","doi":"10.1016/j.ultsonch.2025.107275","DOIUrl":"10.1016/j.ultsonch.2025.107275","url":null,"abstract":"<div><div>The potential of rare earth-doped sodium yttrium fluoride (NaYF<sub>4</sub>) as upconverting nanoparticles extends to various applications, from electronics to biology. The hexagonal (β) phase of NaYF<sub>4</sub> nanoparticles is known to exhibit a photoluminescence quantum yield higher than the cubic (α) phase. The typical synthetic methods for β-NaYF<sub>4</sub> present limitations, such as low colloidal stability in aqueous medium and the need for ligand exchange. Herein, we employed high-throughput robotics, automated sonication, and high-throughput X-ray diffraction (HT-XRD) to synthesize and characterize hundreds of samples under various conditions and obtain NaYF<sub>4</sub> nanoparticles dispersible in an aqueous medium. We characterized the samples through XRD for phase determination, SEM and TEM for morphology assessment, UV–Vis spectroscopy and zeta potential for colloidal stability evaluation, and photoluminescence spectroscopy and time-resolved photoluminescence spectroscopy to investigate their upconverting properties. We found that only sodium dodecyl sulfate (SDS) promotes β-NaYF<sub>4</sub> formation. The order of addition is also important: adding SDS before the precursor salts leads to pure β-NaYF<sub>4</sub> formation. Our proposed mechanism for β-NaYF<sub>4</sub> formation involves the initial formation of smaller α-NaYF<sub>4</sub> crystals in the presence of SDS, which were more easily converted to β-NaYF<sub>4</sub> during sonication compared to the larger α-NaYF<sub>4</sub> crystals formed in the absence of SDS.</div></div>","PeriodicalId":442,"journal":{"name":"Ultrasonics Sonochemistry","volume":"114 ","pages":"Article 107275"},"PeriodicalIF":8.7,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143473605","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}

引用次数: 0

Effects of ultrasound-assisted tumbling on the quality and protein oxidative modification of spiced beef 超声辅助翻滚对五香牛肉品质及蛋白质氧化改性的影响

IF 8.7 1区化学

Ultrasonics Sonochemistry Pub Date : 2025-02-19 DOI: 10.1016/j.ultsonch.2025.107268

Wenxuan Wang , Feiyan Jiang , Lujuan Xing , Yan Huang , Wangang Zhang

{"title":"Effects of ultrasound-assisted tumbling on the quality and protein oxidative modification of spiced beef","authors":"Wenxuan Wang , Feiyan Jiang , Lujuan Xing , Yan Huang , Wangang Zhang","doi":"10.1016/j.ultsonch.2025.107268","DOIUrl":"10.1016/j.ultsonch.2025.107268","url":null,"abstract":"<div><div>The aim of this study was to investigate the effects of ultrasound-assisted tumbling (UT) with different ultrasound powers (frequency 20 kHz, powers of 0, 300 W, 450 W and 600 W) on the quality of spiced beef as explained from the perspective of the changes of muscle fibers and myofibrillar proteins (MPs). The results showed that pH value, tenderness and yield rate of UT groups were all apparently improved compared with the single tumbling group (P < 0.05). Ultrasound-assisted tumbling treatment could loosen muscle fiber structure supported by scanning electron microscopy (SEM) result, and the increased myofibrillar fragmentation index (MFI) value (P < 0.05). Additionally, an upward trend was observed in protein oxidation degree with the rise of ultrasound power level (P < 0.05), while the difference between groups in MPs solubility was not significant (P > 0.05). Above all, ultrasound-assisted tumbling treatment could effectively improve the quality of spiced beef by exacerbating the modifications in muscle fiber structure and MPs.</div></div>","PeriodicalId":442,"journal":{"name":"Ultrasonics Sonochemistry","volume":"114 ","pages":"Article 107268"},"PeriodicalIF":8.7,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143463337","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}

引用次数: 0

Ultrasound combined with Adenosine 5′-Monophosphate Treatment: A Strategic Approach for enhancing the tenderness of chicken wooden breast meat 超声联合5′-单磷酸腺苷处理：提高鸡木胸肉嫩度的策略方法

IF 8.7 1区化学

Ultrasonics Sonochemistry Pub Date : 2025-02-18 DOI: 10.1016/j.ultsonch.2025.107284

Xiang Yu , Yanli Feng , Wenhan Ma , Xue Xiao , Jun Liu , Weiwei Dong , Yuanliang Hu , Huan Liu

{"title":"Ultrasound combined with Adenosine 5′-Monophosphate Treatment: A Strategic Approach for enhancing the tenderness of chicken wooden breast meat","authors":"Xiang Yu , Yanli Feng , Wenhan Ma , Xue Xiao , Jun Liu , Weiwei Dong , Yuanliang Hu , Huan Liu","doi":"10.1016/j.ultsonch.2025.107284","DOIUrl":"10.1016/j.ultsonch.2025.107284","url":null,"abstract":"<div><div>This study aimed to evaluate the effects of ultrasound and adenosine 5′-monophosphate (AMP) treatments on the quality characteristics and tenderness of chicken wooden breast (CWB). Compared to normal breast, CWB exhibits distinct quality characteristics, including increased weight, higher pH, pale color, and a firmer texture. It was found that ultrasound, AMP, and their combined application significantly reduced the shear force of CWB (<em>p</em> < 0.05), effectively improving its tenderness. The combined treatment of ultrasound and AMP significantly decreased the filtering residues of myofibrillar proteins (MPs) and increased myofibrillar fragmentation index (<em>p</em> < 0.05). MPs structure analysis showed that the combined ultrasound and AMP treatment facilitated the degradation of tropomyosin, the transformation of α-helix into β-sheet, and decreased intensity of tryptophan fluorescence, promoting MPs degradation and improving CWB tenderness. Pathological analysis and scanning electron microscopy also observed muscle fiber damage and the loss of myofibrillar membrane integrity following the combined treatment. These findings highlight the potential of AMP and ultrasound treatments in the tenderization process of CWB.</div></div>","PeriodicalId":442,"journal":{"name":"Ultrasonics Sonochemistry","volume":"114 ","pages":"Article 107284"},"PeriodicalIF":8.7,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143454300","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}

引用次数: 0

Ultrasonic Activation of Persulfate for the Removal of BPA in 20, 28, and 300 kHz Systems 超声波活化过硫酸盐去除20、28和300 kHz系统中的BPA

IF 8.7 1区化学

Ultrasonics Sonochemistry Pub Date : 2025-02-17 DOI: 10.1016/j.ultsonch.2025.107281

Bokyung Jun , Jongbok Choi , Younggyu Son

{"title":"Ultrasonic Activation of Persulfate for the Removal of BPA in 20, 28, and 300 kHz Systems","authors":"Bokyung Jun , Jongbok Choi , Younggyu Son","doi":"10.1016/j.ultsonch.2025.107281","DOIUrl":"10.1016/j.ultsonch.2025.107281","url":null,"abstract":"<div><div>The effect of ultrasound (US) on persulfate (PS) activation was investigated to determine whether acoustic cavitation can effectively induce PS activation for bisphenol A (BPA) degradation at 20, 28, and 300 kHz under various temperature conditions. The optimal liquid volume in the vessel was geometrically determined to be 400, 900, and 420 mL at 20, 28, and 300 kHz, respectively, using KI dosimetry and sonochemiluminescence image analysis. The pseudo-1st-order reaction kinetic constants in the only PS, only US, and US/PS processes at 20, 28, and 300 kHz were obtained under 5–10 ℃, 15–20 ℃, 25–30 ℃, 45–50 ℃, 55–60 ℃, and no temperature control conditions. No notable BPA degradation occurred at 5–10 ℃, 15–20 ℃, and 25–30 ℃ in the only PS processes for all frequencies. The highest sonochemical BPA degradation was obtained at 300 kHz, and much lower BPA degradation was observed at 45–50 ℃ and 55–60 ℃ for all frequencies in the only US processes. No notable enhancement of BPA degradation was observed at 5–10 ℃, 15–20 ℃, and 25–30 ℃ in the US/PS processes compared to the only US processes for all frequencies. At 20 kHz and temperatures between 55 and 60 ℃, the highest BPA degradation was obtained, with a synergistic effect of 171 %. However, the enhancement might be due to the instant or local temperature increase, and not due to acoustic cavitation. No notable PS activation by US irradiation was observed in the US/PS processes in this study. The profiles of the generated sulfate ion concentrations in the US/PS processes confirmed this. Some previous studies found high synergistic effects, whereas others have found low or no synergistic effects in US/PS processes.</div></div>","PeriodicalId":442,"journal":{"name":"Ultrasonics Sonochemistry","volume":"114 ","pages":"Article 107281"},"PeriodicalIF":8.7,"publicationDate":"2025-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143454298","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}

引用次数: 0

The mechanisms of inactivation of polyphenol oxidase in fresh-cut Agaricus bisporus by dual-frequency ultrasound combined with electrolytic water 双频超声联合电解水对鲜切双孢蘑菇多酚氧化酶失活的机理研究

IF 8.7 1区化学

Ultrasonics Sonochemistry Pub Date : 2025-02-17 DOI: 10.1016/j.ultsonch.2025.107277

Jian Jin, Xiaying Deng, Jiemin Zhou, Yangyang Deng, Nanlin Pan, Yilong Luo, Awwal Muhammed

{"title":"The mechanisms of inactivation of polyphenol oxidase in fresh-cut Agaricus bisporus by dual-frequency ultrasound combined with electrolytic water","authors":"Jian Jin, Xiaying Deng, Jiemin Zhou, Yangyang Deng, Nanlin Pan, Yilong Luo, Awwal Muhammed","doi":"10.1016/j.ultsonch.2025.107277","DOIUrl":"10.1016/j.ultsonch.2025.107277","url":null,"abstract":"<div><div>Fresh-cut mushrooms are gaining popularity worldwide. However, their shelf life is limited because of enzymatic browning catalyzed by polyphenol oxidase (PPO), which leads to quality loss. The effects of different treatments (dual-frequency ultrasound (DFU), electrolytic water (EW), dual-frequency ultrasound combined with electrolytic water (DFU-EW)) on the molecular structure (Fourier infrared spectroscopy, X-ray diffraction, fluorescence spectroscopy, surface hydrophobicity, etc.), thermal properties, gene expression of PPO, and storage characteristics of mushrooms were investigated. The results showed that the DFU-EW decreased the relative contents of α-helix by 6.3 % and β-turns by 11.2 %, while increasing the contents of random coil and β-sheet by13.3 % and 4.7 %, respectively, compared to the control. The XRD analysis showed that the crystallinity of PPO was 7% higher than the control, while the fluorescence spectroscopy and surface hydrophobicity of PPO decreased from 921.7 (a.u) and 1154.5 to 393.5 (a.u) and 506.5, respectively. The DFU-EW treatment changed both the secondary and tertiary structures of PPO. The TGA analysis indicated that the thermal decomposition temperature decreased from the control 351.4 ℃ to 336.9 ℃. The gene expression level of AbPPO3 and AbPPO4 lowered. A 7-day storage period showed that DFU-EW inhibited the degree of browning, maintained the firmness of mushrooms, and stabilized the relative activity of PPO at 60% on average. Taken together, the DFU-EW treatment can effectively inactivate the PPO activity in fresh-cut mushrooms, thereby extending their shelf life, and this method provides a new insight to improve the quality of fresh-cut products.</div></div>","PeriodicalId":442,"journal":{"name":"Ultrasonics Sonochemistry","volume":"114 ","pages":"Article 107277"},"PeriodicalIF":8.7,"publicationDate":"2025-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143437235","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}

引用次数: 0

Flavonoids from sour jujube leaves: Ultrasound-assisted extraction, UPLC-QQQ-MS/MS quantification, and ameliorative effect on DSS-induced ulcerative colitis in mice 酸枣叶黄酮：超声辅助提取、UPLC-QQQ-MS/MS定量及对dss致小鼠溃疡性结肠炎的改善作用

IF 8.7 1区化学

Ultrasonics Sonochemistry Pub Date : 2025-02-17 DOI: 10.1016/j.ultsonch.2025.107279

Hongke Wei , Xiaomin Wang , Jiaqi Wang , Shijie Ren , Luis A.J. Mur , Dong Lu , Duo Cao

{"title":"Flavonoids from sour jujube leaves: Ultrasound-assisted extraction, UPLC-QQQ-MS/MS quantification, and ameliorative effect on DSS-induced ulcerative colitis in mice","authors":"Hongke Wei , Xiaomin Wang , Jiaqi Wang , Shijie Ren , Luis A.J. Mur , Dong Lu , Duo Cao","doi":"10.1016/j.ultsonch.2025.107279","DOIUrl":"10.1016/j.ultsonch.2025.107279","url":null,"abstract":"<div><div>To valorize sour jujube (<em>Ziziphus acidojujuba</em>) leaves, this work focused on the extraction, quantification, and bioactivity assessment of flavonoids. First, ultrasound-assisted extraction (UAE) was employed to extract total flavonoids from sour jujube leaves (SJL-TF), with the procedure optimized through single-factor design and response surface methodology (RSM). SJL-TF yield reached 48.47 ± 0.36 mg/g under optimal circumstances, which included 61 % ethanol as extraction medium, an ultrasound power of 300 W, an extraction time of 33 min, and a liquid–solid ratio of 16 mL/g, showing higher extraction efficiency in comparison to the traditional Soxhlet extraction method. Scanning electron microscopy (SEM) analysis indicated that ultrasound treatment severely damaged the structural integrity of sour jujube leaves, which was more conducive to improving the SJL-TF yield. Then, polyamide resin chromatography was used to purify the crude SJL-TF extracts, increasing the SJL-TF purity by 3.2-fold to 74.58 ± 0.63 %. By developing and validating a UPLC-QQQ-MS/MS method, ten main flavonoids in SJL-TF extracts, including catechin, rutin, isoquercetin, narirutin, nicotiflorin, quercitrin, phlorizin, luteolin, quercetin, and apigenin, were successfully detected concurrently for quality control purposes. Furthermore, the purified SJL-TF showed a strong ameliorative effect on dextran sulfate sodium (DSS)-induced ulcerative colitis (UC) in mice, as evidenced by significant mitigation of colonic inflammation and pathological damage. Thus, this work will contribute to improving the application of sour jujube leaves, especially in the pharmaceutical sector.</div></div>","PeriodicalId":442,"journal":{"name":"Ultrasonics Sonochemistry","volume":"114 ","pages":"Article 107279"},"PeriodicalIF":8.7,"publicationDate":"2025-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143445492","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}

引用次数: 0

Acoustic cavitation dynamics of bubble clusters near solid wall: A multiphase lattice Boltzmann approach 固体壁附近气泡团簇的声空化动力学：多相晶格玻尔兹曼方法

IF 8.7 1区化学

Ultrasonics Sonochemistry Pub Date : 2025-02-16 DOI: 10.1016/j.ultsonch.2025.107261

Yu Yang , Juan Tu , Minglei Shan , Zijie Zhang , Chen Chen , Haoxiang Li

{"title":"Acoustic cavitation dynamics of bubble clusters near solid wall: A multiphase lattice Boltzmann approach","authors":"Yu Yang , Juan Tu , Minglei Shan , Zijie Zhang , Chen Chen , Haoxiang Li","doi":"10.1016/j.ultsonch.2025.107261","DOIUrl":"10.1016/j.ultsonch.2025.107261","url":null,"abstract":"<div><div>Understanding the behavior of cavitation bubble clusters in an acoustic field is crucial for advancing the study of acoustic cavitation. This study uses the multi-relaxation time lattice Boltzmann method (MRT-LBM) to simulate the dynamics of cavitation bubble clusters near a wall, offering new insights into complex cavitation phenomena. The effectiveness of MRT-LBM was verified through thermodynamic consistency, mesh independence, and comparison with the K-M equation solution. The study focuses on the effects of bubble cluster position, acoustic frequency, amplitude, and bubble number on cavitation dynamics. The results found that the impact of bubble cluster proximity to solid boundaries, where smaller offsets result in stronger cavitation effects, significantly increasing wall pressure and jet velocity. The analysis also reveals that low frequencies promote complete bubble collapse, while high frequencies enhance jet velocity but weaken pressure waves. Additionally, higher amplitudes increase jet velocity but disperse energy, reducing wall pressure. Frequency spectrum analysis of wall pressure <span><math><msub><mrow><mi>p</mi></mrow><mrow><mi>w</mi></mrow></msub></math></span> and velocity <span><math><msub><mrow><mi>u</mi></mrow><mrow><mi>w</mi></mrow></msub></math></span> further uncovers significant differences in their spectra and how they influence cavitation intensity, finding that frequency and amplitude are key factors in balancing pressure and jet velocity. These findings underscore the importance of optimizing frequency and amplitude to enhance cavitation effects, which can improve applications relying on acoustic cavitation.</div></div>","PeriodicalId":442,"journal":{"name":"Ultrasonics Sonochemistry","volume":"114 ","pages":"Article 107261"},"PeriodicalIF":8.7,"publicationDate":"2025-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143454297","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}

引用次数: 0

Numerical analysis of a multiproduct biorefinery on a chip: Exploiting acoustic waves to process the microalgae Tisochrysis lutea 芯片上多产品生物精炼厂的数值分析：利用声波处理微藻褐解

IF 8.7 1区化学

Ultrasonics Sonochemistry Pub Date : 2025-02-16 DOI: 10.1016/j.ultsonch.2025.107280

Jacques R.N. Kieffer , Hakan Kandemir , Lars Stegemüller , Isa Hiemstra , Michel H.M. Eppink , Rene H. Wijffels , Iulian Z. Boboescu

{"title":"Numerical analysis of a multiproduct biorefinery on a chip: Exploiting acoustic waves to process the microalgae Tisochrysis lutea","authors":"Jacques R.N. Kieffer , Hakan Kandemir , Lars Stegemüller , Isa Hiemstra , Michel H.M. Eppink , Rene H. Wijffels , Iulian Z. Boboescu","doi":"10.1016/j.ultsonch.2025.107280","DOIUrl":"10.1016/j.ultsonch.2025.107280","url":null,"abstract":"<div><div>Microalgae can provide a more sustainable alternative to traditional food systems which are dominated by terrestrial crops. The main economic challenges, however, relate to the downstream processing of microalgae and the valorization of their side streams. The present work explores the scientific principles and data required to develop an integrated biorefinery-on-a-chip, which replaces many of the common downstream processing unit operations by employing acoustic fields. The acoustic parameters of <em>Tisochrysis lutea</em> microalgal cells and their cell components are determined using the neutrally buoyant state method. Culture conditions which result in a high carbohydrate or high protein to lipid ratio led to a higher acoustic contrast factor than culture conditions favoring a high composition of lipids. The collected acoustic data is used as input in a numerical model which studies the harvesting of microalgal cells and the fractionation of microalgal cell components. High separation levels are achieved based on the size and composition of microalgal cells and the type of cell component. Subsequent studies are envisioned to determine the practical feasibility of applying these concepts and even scaling them out. Nevertheless, this study represents a steppingstone towards a novel, label-free approach to processing microalgal cells of different biomass compositions.</div></div>","PeriodicalId":442,"journal":{"name":"Ultrasonics Sonochemistry","volume":"114 ","pages":"Article 107280"},"PeriodicalIF":8.7,"publicationDate":"2025-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143463336","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}

引用次数: 0

Experimental and Eulerian-Lagrangian numerical investigation on cavitation erosion characteristics in Venturi pipes with different divergent angles 不同发散角文丘里管空化侵蚀特性的实验及欧拉-拉格朗日数值研究

IF 8.7 1区化学

Ultrasonics Sonochemistry Pub Date : 2025-02-16 DOI: 10.1016/j.ultsonch.2025.107278

Qing Yang , Mingming Chen , Chengqian Pei , Bo Liu , Meng Zhao , Xuanjun Wang , Zhe Lin , Linmin Li

{"title":"Experimental and Eulerian-Lagrangian numerical investigation on cavitation erosion characteristics in Venturi pipes with different divergent angles","authors":"Qing Yang , Mingming Chen , Chengqian Pei , Bo Liu , Meng Zhao , Xuanjun Wang , Zhe Lin , Linmin Li","doi":"10.1016/j.ultsonch.2025.107278","DOIUrl":"10.1016/j.ultsonch.2025.107278","url":null,"abstract":"<div><div>Hydrodynamic cavitation (HC) is widely found in fluid machinery and has emerged as a significant technology in several engineering fields. To investigate the erosion characteristics caused by HC, experimental tests under varying conditions are conducted in this study using a Venturi test section with different divergent angles. The qualitative erosion risk distributions under different conditions are represented through paint experiments, showing that the erosion risk increases as the divergent angle decreases. Subsequently, a Eulerian-Lagrangian multiscale cavitation model is adopted to simulate HC in the test section. This model directly resolves large-scale cavities using the volume of fluid (VOF) method and simultaneously tracks sub-scale discrete bubbles using a discrete bubble model (DBM). A modified aggressive indicator [Li <em>et al</em>., Int. J. Mech. Sci. 262, 108,735 (2024)] is incorporated into the multiscale cavitation model to account for the erosion power produced by multiscale cavitation behaviors, thereby reproducing the distribution of cavitation erosion risks. Simulations corresponding to the experimental conditions are conducted, and the results show that the simulated cavitation features align well with the experimental observations. Furthermore, the cavitation erosion risk distributions predicted by the present model agree well with the paint tests, confirming the reliability of our model.</div></div>","PeriodicalId":442,"journal":{"name":"Ultrasonics Sonochemistry","volume":"114 ","pages":"Article 107278"},"PeriodicalIF":8.7,"publicationDate":"2025-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143437236","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}

引用次数: 0