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López-Martínez M, Toldrá F, Mora L. Sequential Enzymatic Hydrolysis and Ultrasound Pretreatment of Pork Liver for the Generation of Bioactive and Taste-Related Hydrolyzates. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:15693-15703. [PMID: 38953317 PMCID: PMC11261620 DOI: 10.1021/acs.jafc.4c02362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2024] [Revised: 06/17/2024] [Accepted: 06/19/2024] [Indexed: 07/04/2024]
Abstract
In the study of protein-rich byproducts, enzymatic hydrolysis stands as a prominent technique, generating bioactive peptides. Combining exo- and endopeptidases could enhance both biological and sensory properties. Ultrasound pretreatment is one of the most promising techniques for the optimization of enzymatic hydrolysis. This research aimed to create tasteful and biologically active pork liver hydrolyzates by using sequential hydrolysis with two types of enzymes and two types of ultrasound pretreatments. Sequential hydrolyzates exhibited a higher degree of hydrolysis than single ones. Protana Prime hydrolyzates yielded the largest amount of taste-related amino acids, enhancing sweet, bittersweet, and umami amino acids according to the Taste Activity Value (TAV). These hydrolyzates also displayed significantly higher antioxidant activity. Among sequential hydrolyzates, Flavourzyme and Protana Prime hydrolyzates pretreated with ultrasound showed the highest ferrous ion chelating activity. Overall, employing both Alcalase and Protana Prime on porcine livers pretreated with ultrasound proved to be highly effective in obtaining potentially tasteful and biologically active hydrolyzates.
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Affiliation(s)
- Manuel
Ignacio López-Martínez
- Instituto de Agroquímica
y Tecnología de Alimentos (CSIC), Avenue Agustín Escardino 7, 46980 Paterna, Valencia Spain
| | - Fidel Toldrá
- Instituto de Agroquímica
y Tecnología de Alimentos (CSIC), Avenue Agustín Escardino 7, 46980 Paterna, Valencia Spain
| | - Leticia Mora
- Instituto de Agroquímica
y Tecnología de Alimentos (CSIC), Avenue Agustín Escardino 7, 46980 Paterna, Valencia Spain
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2
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Xia C, Shen X. Analysis of factors influencing on Electro-Fenton and research on combination technology (II): a review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:46910-46948. [PMID: 38995339 DOI: 10.1007/s11356-024-34159-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 06/24/2024] [Indexed: 07/13/2024]
Abstract
The principle of Fenton reagent is to produce ·OH by mixing H2O2 and Fe2+ to realize the oxidation of organic pollutants, although Fenton reagent has the advantages of non-toxicity and short reaction time, but there are its related defects. The Fenton-like technology has been widely studied because of its various forms and better results than the traditional Fenton technology in terms of pollutant degradation efficiency. This paper reviews the electro-Fenton technology among the Fenton-like technologies and provides an overview of the homogeneous electro-Fenton. It also focuses on summarizing the effects of factors such as H2O2, reactant concentration, reactor volume and electrode quality, reaction time and voltage (potential) on the efficiency of electro-Fenton process. It is shown that appropriate enhancement of H2O2 concentration, voltage (potential) and reaction volume can help to improve the process efficiency; the process efficiency also can be improved by increasing the reaction time and electrode quality. Feeding modes of H2O2 have different effects on process efficiency. Finally, a considerable number of experimental studies have shown that the combination of electro-Fenton with ultrasound, anodic oxidation and electrocoagulation technologies is superior to the single electro-Fenton process in terms of pollutant degradation.
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Affiliation(s)
- Chongjie Xia
- School of Environmental and Chemical Engineering, Shenyang University of Technology, 110870, Shenyang, People's Republic of China
| | - Xinjun Shen
- School of Environmental and Chemical Engineering, Shenyang University of Technology, 110870, Shenyang, People's Republic of China.
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3
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Duan H, Ran J, Zhao J, Wang X, Zhai B, Chen Y, Yin S, Li S, Zhang L, Li Z. Application of ultrasonic-enhanced active seed crystals in the removal of sodium oxalate from alumina refinery waste liquor. ULTRASONICS SONOCHEMISTRY 2024; 106:106881. [PMID: 38653147 PMCID: PMC11059431 DOI: 10.1016/j.ultsonch.2024.106881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 04/15/2024] [Accepted: 04/19/2024] [Indexed: 04/25/2024]
Abstract
When organic matter, especially sodium oxalate (Na2C2O4), accumulates to a certain extent, it will seriously affect the alumina production process in the refinery and therefore urgently needs to be removed. This work attempts to illuminate the benefits of ultrasonic intensification of the crystallization process of Na2C2O4, taking the alumina refinery waste liquor, i.e., flat plate washing liquor, as a case study. The effects of different operating parameters (seed crystal addition amount, caustic soda concentration, reaction time, ultrasonic power) on the crystallization behavior and yield are discussed, and it is found that ultrasonic can increase the Na2C2O4 removal rate to 70.4%. The addition of ultrasonic promotes the morphological evolution of Na2C2O4 and is of great significance to the optimization of the components of the precipitated Na2C2O4. Specifically, the proportion of Na2C2O4 in the crystallized product reaches 64% with conventional conditions, while it reaches 77% with ultrasonic conditions. Therefore, ultrasonic can greatly reduce the alkali loss caused by the crystallization process of Na2C2O4 in flat plate washing liquor, which has great economic benefits.
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Affiliation(s)
- Haisheng Duan
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, China; Yunnan Wenshan Aluminum Co., Ltd., Wenshan, Yunnan 663000, China
| | - Jianfeng Ran
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, China
| | - Jiaping Zhao
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, China; Yunnan Wenshan Aluminum Co., Ltd., Wenshan, Yunnan 663000, China
| | - Xuxu Wang
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, China
| | - Benkang Zhai
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, China
| | - Ying Chen
- Yunnan Wenshan Aluminum Co., Ltd., Wenshan, Yunnan 663000, China
| | - Shaohua Yin
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, China.
| | - Shiwei Li
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, China
| | - Libo Zhang
- Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, China.
| | - Zulai Li
- Faculty of Material Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, China
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4
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Fattahi K, Boffito DC, Robert E. Quantifying the chemical activity of cavitation bubbles in a cluster. Sci Rep 2024; 14:7978. [PMID: 38575603 PMCID: PMC10994948 DOI: 10.1038/s41598-024-56906-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Accepted: 03/12/2024] [Indexed: 04/06/2024] Open
Abstract
Acoustic cavitation bubbles drive chemical processes through their dynamic lifecycle in liquids. These bubbles are abundant within sonoreactors, where their behavior becomes complex within clusters. This study quantifies their chemical effects within well-defined clusters using a new laser-based method. We focus a laser beam into water, inducing a breakdown that generates a single cavitation bubble. This bubble undergoes multiple collapses, releasing several shockwaves. These shockwaves propagate into the surrounding medium, leading to the formation of secondary bubbles near a reflector, separated from the input laser beam. We evaluate the chemical activity of these bubble clusters of various sizes by KI dosimetry, and to gain insights into their dynamics, we employ high-speed imaging. Hydrophone measurements show that conversion from focused shockwave energy to chemical reactions increases to a maximum of 16.5%. Additional increases in shockwave energy result in denser bubble clusters and a slightly decreased conversion rate, falling to 14.9%, highlighting the key role of bubble dynamics in the transformation of mechanical to chemical energy and as a result in the efficiency of the sonoreactors. The size and frequency of bubble collapses influence the cluster's chemical reactivity. We introduce a correlation for predicting the conversion rate of cluster energy to chemical energy, based on the cluster's energy density. The maximum conversion rate occurs at a cluster energy density of 2500 J/L, linked to a cluster with an average bubble diameter of 91 μ m, a bubble density of 3500 bubbles/ml, and a bubble-to-bubble distance ratio of 8.
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Affiliation(s)
- Kobra Fattahi
- Department of Chemical Engineering, Polytechnique Montréal, C.P. 6079, Succ. CV, Montreal, QC, H3C 3A7, Canada
| | - Daria C Boffito
- Department of Chemical Engineering, Polytechnique Montréal, C.P. 6079, Succ. CV, Montreal, QC, H3C 3A7, Canada
| | - Etienne Robert
- Department of Mechanical Engineering, Polytechnique Montréal, C.P. 6079, Succ. CV, Montreal, QC, H3C 3A7, Canada.
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5
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Laporte AAH, Masson TM, Zondag SDA, Noël T. Multiphasic Continuous-Flow Reactors for Handling Gaseous Reagents in Organic Synthesis: Enhancing Efficiency and Safety in Chemical Processes. Angew Chem Int Ed Engl 2024; 63:e202316108. [PMID: 38095968 DOI: 10.1002/anie.202316108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Indexed: 12/29/2023]
Abstract
The use of reactive gaseous reagents for the production of active pharmaceutical ingredients (APIs) remains a scientific challenge due to safety and efficiency limitations. The implementation of continuous-flow reactors has resulted in rapid development of gas-handling technology because of several advantages such as increased interfacial area, improved mass- and heat transfer, and seamless scale-up. This technology enables shorter and more atom-economic synthesis routes for the production of pharmaceutical compounds. Herein, we provide an overview of literature from 2016 onwards in the development of gas-handling continuous-flow technology as well as the use of gases in functionalization of APIs.
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Affiliation(s)
- Annechien A H Laporte
- Flow Chemistry Group, van't Hoff Institute for Molecular Sciences (HIMS), Universiteit van Amsterdam (UvA), Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Tom M Masson
- Flow Chemistry Group, van't Hoff Institute for Molecular Sciences (HIMS), Universiteit van Amsterdam (UvA), Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Stefan D A Zondag
- Flow Chemistry Group, van't Hoff Institute for Molecular Sciences (HIMS), Universiteit van Amsterdam (UvA), Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Timothy Noël
- Flow Chemistry Group, van't Hoff Institute for Molecular Sciences (HIMS), Universiteit van Amsterdam (UvA), Science Park 904, 1098 XH, Amsterdam, The Netherlands
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6
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Kanchrana M, Gamidi RK, Kumari J, Sriram D, Basavoju S. Design, synthesis, anti-mycobacterial activity, molecular docking and ADME analysis of spiroquinoxaline-1,2,4-oxadiazoles via [3 + 2] cycloaddition reaction under ultrasound irradiation. Mol Divers 2024:10.1007/s11030-023-10790-9. [PMID: 38261121 DOI: 10.1007/s11030-023-10790-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 12/04/2023] [Indexed: 01/24/2024]
Abstract
The development of anti-tuberculosis (anti-TB) drugs has become a challenging task in medicinal chemistry. This is because Mycobacterium tuberculosis (TB), the pathogen that causes tuberculosis, has an increasing number of drug-resistant strains, and existing medication therapies are not very effective. This resistance significantly demands new anti-TB drug profiles. Here, we present the design and synthesis of a number of hybrid compounds with previously known anti-mycobacterial moieties attached to quinoxaline, quinoline, tetrazole, and 1,2,4-oxadiazole scaffolds. A convenient ultrasound methodology was employed to attain spiroquinoxaline-1,2,4-oxadiazoles via [3 + 2] cycloaddition of quinoxaline Schiff bases and aryl nitrile oxides at room temperature. This approach avoids standard heating and column chromatography while producing high yields and shorter reaction times. The target compounds 3a-p were well-characterized, and their in vitro anti-mycobacterial activity (anti-TB) was evaluated. Among the screened compounds, 3i displayed promising activity against the Mycobacterium tuberculosis cell line H37Rv, with an MIC99 value of 0.78 µg/mL. However, three compounds (3f, 3h, and 3o) exhibited potent activity with MIC99 values of 6.25 µg/mL. To further understand the binding interactions, the synthesized compounds were docked against the tuberculosis protein 5OEQ using in silico molecular docking. Moreover, the most active compounds were additionally tested for their cytotoxicity against the RAW 264.7 cell line, and the cytotoxicity of compounds 3f, 3h, 3i, and 3o was 27.3, 28.9, 26.4, and 30.2 µg/mL, respectively. These results revealed that the compounds 3f, 3h, 3i, and 3o were less harmful to humans. Furthermore, the synthesized compounds were tested for ADME qualities, and the results suggest that this series is useful for producing innovative and potent anti-tubercular medicines in the future.
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Affiliation(s)
- Madhu Kanchrana
- Department of Chemistry, National Institute of Technology Warangal, Hanamkonda, Telangana, 506004, India
| | - Rama Krishna Gamidi
- Organic Chemistry Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, Maharashtra, 411008, India
| | - Jyothi Kumari
- Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad, Telangana, 500078, India
| | - Dharmarajan Sriram
- Department of Pharmacy, Birla Institute of Technology and Science-Pilani, Hyderabad, Telangana, 500078, India
| | - Srinivas Basavoju
- Department of Chemistry, National Institute of Technology Warangal, Hanamkonda, Telangana, 506004, India.
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7
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Pereira TC, Cruz AG, Guimarães JT, Cravotto G, Flores EMM. Ultrasonication for honey processing and preservation: A brief overview. Food Res Int 2023; 174:113579. [PMID: 37986447 DOI: 10.1016/j.foodres.2023.113579] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 10/05/2023] [Accepted: 10/13/2023] [Indexed: 11/22/2023]
Abstract
Honey is a food product consumed all over the world. Besides its nutritional properties, honey presents antibacterial, antioxidant, and wound-healing properties. To ensure that the final product meets qualitative and microbiological standards, honey treatment is of great importance. Conventional honey treatment is based on the heating of honey samples for decrystallization and bacteria and yeast inactivation. However, conventional heating can cause negative effects on honey quality, such as the formation of toxic compounds, reduction of enzyme activity, and loss of antioxidant and antimicrobial properties. The application of ultrasonic waves has demonstrated interesting effects on honey processing. Ultrasound (US) treatment can lead to the fragmentation of glucose crystals in crystalized honey and has little effect on its properties. In addition to inactivating microorganisms, US-assisted honey processing also preserves phenolic compounds content and antimicrobial properties. However, there is still limited information about honey sonication. The aim of the present review is to comprehensively show the possibilities of US application in honey processing and its effects on honey properties.
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Affiliation(s)
- Thiago C Pereira
- Departament of Chemistry, Federal University of Santa Maria, Santa Maria, Brazil
| | - Adriano G Cruz
- Department of Food Technology, Federal University Fluminense, Niterói, Brazil
| | - Jonas T Guimarães
- Department of Food, Federal Institute of Education, Science and Technology of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Giancarlo Cravotto
- Department of Drug Science and Technology, University of Turin, Turin, Italy
| | - Erico M M Flores
- Departament of Chemistry, Federal University of Santa Maria, Santa Maria, Brazil.
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8
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Xu Y, Wu Z, Wan Z, Du Y, Zhou Q, Chen L, Jin S. Design and One-Pot Ultrasound Synthesis of Inorganic Base-Promoted Fluorescent Ligand-Gated Ion Channel Fused Arylpyrazole Sulfonamide Skeletons to Enhance Phloem Mobility and Insecticidal Activity as GABA and nACh Receptors Inhibitors. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:16331-16351. [PMID: 37871250 DOI: 10.1021/acs.jafc.3c04861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
Ligand-gated ion channels are essential in living organisms, and sulfonamides have antibacterial effects and can be readily coordinated with metal ions with good biological activity. A series of fluorescent ligand-gated ion channel fused arylpyrazole sulfonamide skeletons (APSnM) were synthesized based on a one-pot ultrasound strategy promoted by an inorganic base. APSnM had a high fluorescence quantum yield and a large Stokes shift in ethanol solvent. The ligand bonded ions took on a different color from the ligand and can be used as a probe to detect their own residue on plant surfaces. Their hydrophobic parameters and the fluorescence distribution in Chinese cabbage leaves indicated that APSnM significantly increased the phloem mobility of the plant. The insecticidal activity of APS3Na was higher (LC50 = 7.2423 μg/mL) than that of fipronil (15.2312 μg/mL) against Plutella xylostella, and the mechanism of high insecticidal activity of APS3Na was simulated by molecular docking, which confirmed its strong interactions with the GABA and nACh receptors of Plutella xylostella. Analysis of the crystal structure of these ligand-gated ion channels further confirmed the consistency of their structure and biological activity.
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Affiliation(s)
- Yueyue Xu
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, China
| | - Zhongda Wu
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, China
| | - Zilou Wan
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, China
| | - Yanting Du
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, China
| | - Quan Zhou
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, China
| | - Lianqing Chen
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, China
- Hubei Three Gorges Laboratory, Yichang 443000, China
- Department of Chemistry, University of Wisconsin-Platteville, Platteville 53818, United States
| | - Shiwei Jin
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, China
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9
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Sanneur K, Leksawasdi N, Sumonsiri N, Techapun C, Taesuwan S, Nunta R, Khemacheewakul J. Inhibitory Effects of Saponin-Rich Extracts from Pouteria cambodiana against Digestive Enzymes α-Glucosidase and Pancreatic Lipase. Foods 2023; 12:3738. [PMID: 37893631 PMCID: PMC10606392 DOI: 10.3390/foods12203738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 10/03/2023] [Accepted: 10/04/2023] [Indexed: 10/29/2023] Open
Abstract
Pouteria cambodiana is a perennial plant that has a wide distribution in tropical regions. It is commonly referred to as 'Nom-nang' in the northern region of Thailand. The bark of this plant has been used for the purpose of promoting lactation among breastfeeding mothers. Moreover, P. cambodiana bark has a high nutraceutical potential due to the presence of saponins, which are secondary metabolites. The purpose of this study was to determine the optimal conditions for ultrasound-assisted extraction (UAE) of saponins from the bark of P. cambodiana and to assess the in vitro inhibitory activities of saponin-rich extracts. The most effective extraction conditions involved a temperature of 50 °C and a 50% concentration level of ethanol as the solvent, which allowed the extraction of saponin at a concentration of 36.04 mg/g. Saponin-rich extracts and their hydrolysates from P. cambodiana bark were evaluated for their ability to inhibit α-glucosidase and pancreatic lipase. The IC50 values for saponin- and sapogenin-rich extracts inhibiting α-glucosidase were 0.10 and 2.98 mg/mL, respectively. Non-hydrolysed extracts also had a stronger inhibitory effect than acarbose. In the case of pancreatic lipase, only the hydrolysed extracts exhibited inhibitory effects on pancreatic lipase (IC50 of 7.60 mg/mL). Thus, P. cambodiana bark may be an applicable natural resource for preparing ingredients for functional products with inhibitory activity against α-glucosidase and pancreatic lipase. The phenolic contents, saponin contents, and antioxidant activities of the dried extract stored at a low temperature of 25 °C for 2 months showed the best stability, with more than 90% retention.
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Affiliation(s)
- Kawisara Sanneur
- Division of Food Science and Technology, School of Agro-Industry, Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; (K.S.); (S.T.)
| | - Noppol Leksawasdi
- Bioprocess Research Cluster, School of Agro-Industry, Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; (N.L.); (C.T.); (R.N.)
- The Cluster of Agro Bio-Circular-Green Industry (Agro BCG), Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand
| | - Nutsuda Sumonsiri
- School of Health and Life Sciences, Teesside University, Middlesbrough TS1 3BX, UK;
| | - Charin Techapun
- Bioprocess Research Cluster, School of Agro-Industry, Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; (N.L.); (C.T.); (R.N.)
| | - Siraphat Taesuwan
- Division of Food Science and Technology, School of Agro-Industry, Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; (K.S.); (S.T.)
- The Cluster of Agro Bio-Circular-Green Industry (Agro BCG), Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand
| | - Rojarej Nunta
- Bioprocess Research Cluster, School of Agro-Industry, Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; (N.L.); (C.T.); (R.N.)
- Division of Food Science and Technology, Faculty of Science and Technology, Lampang Rajabhat University, Lampang 52100, Thailand
| | - Julaluk Khemacheewakul
- Division of Food Science and Technology, School of Agro-Industry, Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; (K.S.); (S.T.)
- Bioprocess Research Cluster, School of Agro-Industry, Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; (N.L.); (C.T.); (R.N.)
- The Cluster of Agro Bio-Circular-Green Industry (Agro BCG), Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand
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10
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Manickam S, Camilla Boffito D, Flores EMM, Leveque JM, Pflieger R, Pollet BG, Ashokkumar M. Ultrasonics and sonochemistry: Editors' perspective. ULTRASONICS SONOCHEMISTRY 2023; 99:106540. [PMID: 37542752 PMCID: PMC10430610 DOI: 10.1016/j.ultsonch.2023.106540] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 05/11/2023] [Accepted: 07/27/2023] [Indexed: 08/07/2023]
Abstract
Ultrasonic waves can induce physical and chemical changes in liquid media via acoustic cavitation. Various applications have benefitted from utilizing these effects, including but not limited to the synthesis of functional materials, emulsification, cleaning, and processing. Several books and review articles in the public domain cover both fundamental and applied aspects of ultrasonics and sonochemistry. The Editors of the Ultrasonics Sonochemistry journal possess diverse expertise in this field, from theoretical and experimental aspects of acoustic cavitation to materials synthesis, environmental remediation, and sonoprocessing. This article provides Editors' perspectives on various aspects of ultrasonics and sonochemistry that may benefit students and early career researchers.
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Affiliation(s)
- Sivakumar Manickam
- University of Technology Brunei, Faculty of Engineering, Gadong, Brunei Darussalam.
| | | | | | - Jean-Marc Leveque
- University Savoie Mont Blanc, Department of Sciences and Mountain Training, Le Bourget du Lac, France
| | - Rachel Pflieger
- Université Montpellier, Marcoule Institute in Separation Chemistry (ICSM), Marcoule, France
| | - Bruno G Pollet
- Université du Québec à Trois-Rivières, Trois-Rivières, Quebec, Canada
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11
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Kalmár P, Hegedűs F, Nagy D, Sándor L, Klapcsik K. Memory-friendly fixed-point iteration method for nonlinear surface mode oscillations of acoustically driven bubbles: from the perspective of high-performance GPU programming. ULTRASONICS SONOCHEMISTRY 2023; 99:106546. [PMID: 37574642 PMCID: PMC10448217 DOI: 10.1016/j.ultsonch.2023.106546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 07/21/2023] [Accepted: 07/31/2023] [Indexed: 08/15/2023]
Abstract
A fixed-point iteration technique is presented to handle the implicit nature of the governing equations of nonlinear surface mode oscillations of acoustically excited microbubbles. The model is adopted from the theoretical work of Shaw [1], where the dynamics of the mean bubble radius and the surface modes are bi-directionally coupled via nonlinear terms. The model comprises a set of second-order ordinary differential equations. It extends the classic Keller-Miksis equation and the linearized dynamical equations for each surface mode. Only the implicit parts (containing the second derivatives) are reevaluated during the iteration process. The performance of the technique is tested at various parameter combinations. The majority of the test cases needs only a single reevaluation to achieve 10-9 error. Although the arithmetic operation count is higher than the Gauss elimination, due to its memory-friendly matrix-free nature, it is a viable alternative for high-performance GPU computations of massive parameter studies.
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Affiliation(s)
- Péter Kalmár
- Department of Hydrodynamic Systems, Faculty of Mechanical Engineering, Budapest University of Technology and Economics, Budapest, Hungary.
| | - Ferenc Hegedűs
- Department of Hydrodynamic Systems, Faculty of Mechanical Engineering, Budapest University of Technology and Economics, Budapest, Hungary.
| | - Dániel Nagy
- Department of Hydrodynamic Systems, Faculty of Mechanical Engineering, Budapest University of Technology and Economics, Budapest, Hungary.
| | - Levente Sándor
- Department of Hydrodynamic Systems, Faculty of Mechanical Engineering, Budapest University of Technology and Economics, Budapest, Hungary.
| | - Kálmán Klapcsik
- Department of Hydrodynamic Systems, Faculty of Mechanical Engineering, Budapest University of Technology and Economics, Budapest, Hungary.
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12
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Zadeike D, Degutyte R. Recent Advances in Acoustic Technology in Food Processing. Foods 2023; 12:3365. [PMID: 37761074 PMCID: PMC10530031 DOI: 10.3390/foods12183365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 08/31/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023] Open
Abstract
The development of food industry technologies and increasing the sustainability and effectiveness of processing comprise some of the relevant objectives of EU policy. Furthermore, advances in the development of innovative non-thermal technologies can meet consumers' demand for high-quality, safe, nutritious, and minimally processed foods. Acoustic technology is characterized as environmentally friendly and is considered an alternative method due to its sustainability and economic efficiency. This technology provides advantages such as the intensification of processes, increasing the efficiency of processes and eliminating inefficient ones, improving product quality, maintaining the product's texture, organoleptic properties, and nutritional value, and ensuring the microbiological safety of the product. This review summarizes some important applications of acoustic technology in food processing, from monitoring the safety of raw materials and products, intensifying bioprocesses, increasing the effectiveness of the extraction of valuable food components, modifying food polymers' texture and technological properties, to developing biodegradable biopolymer-based composites and materials for food packaging, along with the advantages and challenges of this technology.
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Affiliation(s)
- Daiva Zadeike
- Department of Food Science and Technology, Faculty of Chemical Technology, Kaunas University of Technology, 50254 Kaunas, Lithuania;
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Mardjan MID, Hariadi MF, Mustika CR, Saifurofi' HS, Kunarti ES, Purwono B, Commeiras L. Ultrasound-assisted-one-pot synthesis and antiplasmodium evaluation of 3-substituted-isoindolin-1-ones. RSC Adv 2023; 13:25959-25967. [PMID: 37664198 PMCID: PMC10472802 DOI: 10.1039/d3ra02829a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Accepted: 08/21/2023] [Indexed: 09/05/2023] Open
Abstract
As the attempts to control malaria through chemotherapy strategies are restricted, we have prepared a small library of 3-substituted-isoindolinones from (Z)-3-benzylideneisobenzofuran-1(3H)-ones in one-pot fashion under ultrasound irradiation. The one-pot reaction was scalable and efficiently produced the desired products (1a-m) in high yields in a short reaction time. Evaluation of their in vitro antiplasmodium assay against the 3D7 (chloroquine-sensitive) and FCR3 (chloroquine-resistant) strains of Plasmodium falciparum demonstrated that they displayed moderate to strong antiplasmodium activities (the IC50 values ranging from 4.21-34.80 μM) and low resistance indices. The in silico prediction of ADME and physicochemical properties showed that the synthesized compounds met the drug-likeliness requirements and featured low toxicity effects. Based on the evaluation of the antiplasmodium profiles, 3-substituted-isoindolinone derivatives of 1a, 1d, 1h, and 1l may become potential antiplasmodium candidates.
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Affiliation(s)
| | - Muhamad Fadhly Hariadi
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada Yogyakarta 55281 Indonesia
| | - Chessy Rima Mustika
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada Yogyakarta 55281 Indonesia
| | - Hamzah Shiddiq Saifurofi'
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada Yogyakarta 55281 Indonesia
| | - Eko Sri Kunarti
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada Yogyakarta 55281 Indonesia
| | - Bambang Purwono
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada Yogyakarta 55281 Indonesia
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Udepurkar AP, Nandiwale KY, Jensen KF, Kuhn S. Heterogeneous photochemical reaction enabled by an ultrasonic microreactor. REACT CHEM ENG 2023; 8:1930-1936. [PMID: 38013744 PMCID: PMC10388398 DOI: 10.1039/d3re00154g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 04/22/2023] [Indexed: 11/29/2023]
Abstract
The presence of solids as starting reagents/reactants or products in flow photochemical reactions can lead to reactor clogging and yield reduction from side reactions. We address this limitation with a new ultrasonic microreactor for continuous solid-laden photochemical reactions. The ultrasonic photochemical microreactor is characterized by the liquid and solid residence time distribution (RTD) and the absorbed photon flux in the reactor via chemical actinometry. The solid-handling capability of the ultrasonic photochemical microreactor is demonstrated with a silyl radical-mediated metallaphotoredox cross-electrophile coupling with a solid base as a reagent.
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Affiliation(s)
- Aniket P Udepurkar
- KU Leuven, Department of Chemical Engineering Celestijnenlaan 200F 3001 Leuven Belgium
| | - Kakasaheb Y Nandiwale
- Department of Chemical Engineering, Massachusetts Institute of Technology 77 Massachusetts Avenue Cambridge Massachusetts 02139 USA
| | - Klavs F Jensen
- Department of Chemical Engineering, Massachusetts Institute of Technology 77 Massachusetts Avenue Cambridge Massachusetts 02139 USA
| | - Simon Kuhn
- KU Leuven, Department of Chemical Engineering Celestijnenlaan 200F 3001 Leuven Belgium
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15
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Girón-Hernández J, Pazmino M, Barrios-Rodríguez YF, Turo CT, Wills C, Cucinotta F, Benlloch-Tinoco M, Gentile P. Exploring the effect of utilising organic acid solutions in ultrasound-assisted extraction of pectin from apple pomace, and its potential for biomedical purposes. Heliyon 2023; 9:e17736. [PMID: 37449143 PMCID: PMC10336596 DOI: 10.1016/j.heliyon.2023.e17736] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Revised: 06/12/2023] [Accepted: 06/27/2023] [Indexed: 07/18/2023] Open
Abstract
Biomass resulting from food production represents valuable material to recover different biomolecules. In our study, we used apple pomace to obtain pectin, which is traditionally extracted using mineral acids. Our hypothesis consisted of carrying out extractions with organic acids, assisted by ultrasound, by varying processing parameters including time, temperature, and type of acid. The analytical determinations of galacturonic acid content, methoxylation and esterification degree, ζ-potential and extraction yield were used as pectin quality indicators. Pectins extracted using treatment conditions with better performance were assessed biologically in vitro for their potential to be used in biomedical applications. Overall, the extracted pectin presented a galacturonic acid content, methoxylation and esterification degree ranged from 19.7 to 67%, 26.8-41.4% and 58-65.2% respectively, and were negatively charged (-24.1 to -13.2 mV). It was found that factors of time and temperature greatly influenced the response variables excepting the esterification degree, while the acid type influenced the ζ-potential, methoxylation and esterification degrees. Additionally, it was seen that the longer extraction time (50 min) and higher temperature (50 °C) exhibited the better extraction yield (∼10.9%). Finally, the selected pectin showed high cytocompatibility up to 500 μg/mL of concentration when seeded with Neonatal Normal Human Dermal Fibroblasts.
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Affiliation(s)
- Joel Girón-Hernández
- Department of Applied Sciences, Faculty of Health and Life Sciences, Northumbria University, NE1 8ST Newcastle upon Tyne, UK
| | - Michelle Pazmino
- Department of Applied Sciences, Faculty of Health and Life Sciences, Northumbria University, NE1 8ST Newcastle upon Tyne, UK
| | - Yeison Fernando Barrios-Rodríguez
- Department of Food Technology, Universitat Politècnica de València, Camino de Vera s/n, 46021 Valencia, Spain
- Centro Surcolombiano de Investigación en Café (CESURCAFÉ), Universidad Surcolombiana, 410007 Neiva, Colombia
| | - Chiara Tonda Turo
- Department of Mechanical and Aerospace Engineering, Politecnico di Torino, 10129 Turin, Italy
| | - Corinne Wills
- School of Natural and Environmental Sciences, Newcastle University, NE1 7RU Newcastle upon Tyne, UK
| | - Fabio Cucinotta
- School of Natural and Environmental Sciences, Newcastle University, NE1 7RU Newcastle upon Tyne, UK
| | - Maria Benlloch-Tinoco
- Department of Applied Sciences, Faculty of Health and Life Sciences, Northumbria University, NE1 8ST Newcastle upon Tyne, UK
| | - Piergiorgio Gentile
- School of Engineering, Newcastle University, NE1 7RU Newcastle upon Tyne, UK
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Afaq M, Shahid M, Ahmad I, Yousaf S, Alazmi A, Mahmoud MHH, El Azab IH, Warsi MF. Large-scale sonochemical fabrication of a Co 3O 4-CoFe 2O 4@MWCNT bifunctional electrocatalyst for enhanced OER/HER performances. RSC Adv 2023; 13:19046-19057. [PMID: 37362336 PMCID: PMC10286564 DOI: 10.1039/d3ra03117a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 06/10/2023] [Indexed: 06/28/2023] Open
Abstract
Herein, we have prepared a mixed-phase Co3O4-CoFe2O4@MWCNT nanocomposite through a cheap, large-scale, and facile ultrasonication route followed by annealing. The structural, morphological, and functional group analyses of the synthesized catalysts were performed by employing various characterization approaches such as X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), and scanning electron microscopy (SEM). The resultant samples were tested for bifunctional electrocatalytic activity through various electrochemical techniques: cyclic voltammetry (CV), linear sweep voltammetry (LSV), and electrochemical impedance spectroscopy (EIS). The prepared Co3O4-CoFe2O4@MWCNT nanocomposite achieved a very high current density of 100 mA cm-2 at a lower (290 mV and 342 mV) overpotential (vs. RHE) and a smaller (166 mV dec-1 and 138 mV dec-1) Tafel slope in the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER), respectively, compared to Co3O4-CoFe2O4. The excellent electrochemical activity of the as-prepared electrocatalyst was attributed to the uniform incorporation of Co3O4-CoFe2O4 over MWCNTs which provides high redox active sites, a greater surface area, better conductivity, and faster charge mobility. Furthermore, the enhanced electrochemical active surface, low charge-transfer resistance (Rct), and higher exchange current density (J0) of the Co3O4-CoFe2O4@MWCNT ternary composite are attributed to its superior behavior as a bifunctional electrocatalyst. Conclusively, this study demonstrates a novel and large-scale synthesis approach for bifunctional electrocatalysts with a high aspect ratio and abundance of active sites for high-potential energy applications.
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Affiliation(s)
- Muhammad Afaq
- Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur Bahawalpur 63100 Pakistan
| | - Muhammad Shahid
- Department of Chemistry, College of Science, University of Hafr Al Batin P.O. Box 1803 Hafr Al Batin Saudi Arabia
| | - Iqbal Ahmad
- Department of Chemistry, Allama Iqbal Open University Islamabad 44000 Pakistan
| | - Sheraz Yousaf
- Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur Bahawalpur 63100 Pakistan
| | - Amira Alazmi
- Department of Science and Technology, University Colleges at Nairiyah, University of Hafr Al Batin Nairiyah 31981 Saudi Arabia
| | - M H H Mahmoud
- Department of Chemistry, College of Science, Taif University Taif 21944 Saudi Arabia
| | - Islam H El Azab
- Department of Food Science and Nutrition, College of Science, Taif University P.O. Box 11099 Taif 21944 Saudi Arabia
| | - Muhammad Farooq Warsi
- Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur Bahawalpur 63100 Pakistan
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Wang D, Wang Y, Zhang Z, Qiu S, Yuan Y, Song G, Li L, Yuan T, Gong J. Degradation, isomerization and stabilization of three dicaffeoylquinic acids under ultrasonic treatment at different pH. ULTRASONICS SONOCHEMISTRY 2023; 95:106401. [PMID: 37060713 PMCID: PMC10130687 DOI: 10.1016/j.ultsonch.2023.106401] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 03/23/2023] [Accepted: 04/06/2023] [Indexed: 06/19/2023]
Abstract
Dicaffeoylquinic acids (diCQAs) are found in a variety of edible and medicinal plants with various biological activities. An important issue is the low stability of diCQAs during extraction and food processing, resulting in the degradation and transformation. This work used 3,5-diCQA as a representative to study the influence of different parameters in ultrasonic treatment on the stability of diCQAs, including solvent, temperature, treatment time, ultrasonic power, duty cycle, and probe immersion depth. The generation of free radicals and its influence were investigated during the treatment. The stability of three diCQAs (3,5-diCQA, 4,5-diCQA and 3,4-diCQA) under the certain ultrasonic condition at different pH conditions was evaluated and found to decrease with the increase of pH, further weakened by ultrasonic treatment. Ultrasound was found to accelerate the degradation and isomerization of diCQAs. Different diCQAs showed different pattern of degradation and isomerization. The stability of diCQAs could be improved by adding epigallocatechin gallate and vitamin C.
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Affiliation(s)
- Danli Wang
- Zhejiang Provincial Key Lab for Biological and Chemical Processing Technologies of Farm Product, School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, Zhejiang 310023, China
| | - Yushi Wang
- Zhejiang Provincial Key Lab for Biological and Chemical Processing Technologies of Farm Product, School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, Zhejiang 310023, China
| | - Zhenlei Zhang
- Zhejiang Provincial Key Lab for Biological and Chemical Processing Technologies of Farm Product, School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, Zhejiang 310023, China
| | - Shaoping Qiu
- Zhejiang Provincial Key Lab for Biological and Chemical Processing Technologies of Farm Product, School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, Zhejiang 310023, China
| | - Yawen Yuan
- Zhejiang Provincial Key Lab for Biological and Chemical Processing Technologies of Farm Product, School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, Zhejiang 310023, China
| | - Gongshuai Song
- Zhejiang Provincial Key Lab for Biological and Chemical Processing Technologies of Farm Product, School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, Zhejiang 310023, China
| | - Ling Li
- Zhejiang Provincial Key Lab for Biological and Chemical Processing Technologies of Farm Product, School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, Zhejiang 310023, China
| | - Tinglan Yuan
- Zhejiang Provincial Key Lab for Biological and Chemical Processing Technologies of Farm Product, School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, Zhejiang 310023, China
| | - Jinyan Gong
- Zhejiang Provincial Key Lab for Biological and Chemical Processing Technologies of Farm Product, School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, Zhejiang 310023, China.
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Aranha DJ, Gogate PR. A Review on Green and Efficient Synthesis of 5-Hydroxymethylfurfural (HMF) and 2,5-Furandicarboxylic Acid (FDCA) from Sustainable Biomass. Ind Eng Chem Res 2023. [DOI: 10.1021/acs.iecr.2c04047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Affiliation(s)
- Danwyn J. Aranha
- Department of Chemical Engineering, Institute of Chemical Technology, Mumbai-400019, India
| | - Parag R. Gogate
- Department of Chemical Engineering, Institute of Chemical Technology, Mumbai-400019, India
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Djellabi R, Aboagye D, Galloni MG, Vilas Andhalkar V, Nouacer S, Nabgan W, Rtimi S, Constantí M, Medina Cabello F, Contreras S. Combined conversion of lignocellulosic biomass into high-value products with ultrasonic cavitation and photocatalytic produced reactive oxygen species - A review. BIORESOURCE TECHNOLOGY 2023; 368:128333. [PMID: 36403911 DOI: 10.1016/j.biortech.2022.128333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 11/07/2022] [Accepted: 11/11/2022] [Indexed: 06/16/2023]
Abstract
The production of high-value products from lignocellulosic biomass is carried out through the selective scission of crosslinked CC/CO bonds. Nowadays, several techniques are applied to optimize biomass conversion into desired products with high yields. Photocatalytic technology has been proven to be a valuable tool for valorizing biomass at mild conditions. The photoproduced reactive oxygen species (ROSs) can initiate the scission of crosslinked bonds and form radical intermediates. However, the low mass transfer of the photocatalytic process could limit the production of a high yield of products. The incorporation of ultrasonic cavitation in the photocatalytic system provides an exceptional condition to boost the fragmentation and transformation of biomass into the desired products within a lesser reaction time. This review critically discusses the main factors governing the application of photocatalysis for biomass valorization and tricks to boost the selectivity for enhancing the yield of desired products. Synergistic effects obtained through the combination of sonolysis and photocatalysis were discussed in depth. Under ultrasonic vibration, hot spots could be produced on the surface of the photocatalysts, improving the mass transfer through the jet phenomenon. In addition, shock waves can assist the dissolution and mixing of biomass particles.
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Affiliation(s)
- Ridha Djellabi
- Department of Chemical Engineering, Universitat Rovira i Virgili, Tarragona 43007, Spain.
| | - Dominic Aboagye
- Department of Chemical Engineering, Universitat Rovira i Virgili, Tarragona 43007, Spain
| | - Melissa Greta Galloni
- Chemistry Department, Università degli Studi di Milano, Via Golgi 19, Milano, 20133, Italy
| | | | - Sana Nouacer
- Laboratory of Water Treatment and Valorization of Industrial Wastes, Chemistry Department, Faculty of Sciences, Badji-Mokhtar University, Annaba BP12 2300, Algeria; École Nationale Supérieure des Mines et Métallurgie, ENSMM, Ex CEFOS Chaiba BP 233 RP Annaba, Sidi Amar W129, Algeria
| | - Walid Nabgan
- Department of Chemical Engineering, Universitat Rovira i Virgili, Tarragona 43007, Spain
| | - Sami Rtimi
- Global Institute for Water, Environment and Health, Geneva 1201, Switzerland
| | - Magda Constantí
- Department of Chemical Engineering, Universitat Rovira i Virgili, Tarragona 43007, Spain
| | | | - Sandra Contreras
- Department of Chemical Engineering, Universitat Rovira i Virgili, Tarragona 43007, Spain
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20
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Biswas S, Rashid TU. Effect of ultrasound on the physical properties and processing of major biopolymers-a review. SOFT MATTER 2022; 18:8367-8383. [PMID: 36321472 DOI: 10.1039/d2sm01339h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Designing and developing modern techniques to facilitate the extraction and modification of functional properties of biopolymers are key motivations among researchers. As a low-cost, sustainable, non-toxic, and fast process, ultrasound has been considered a method to improve the processing of carbohydrate and protein-based biopolymers such as cellulose, chitin, starch, alginate, carrageenan, gelatine, and guar gum. A better understanding of the complex physicochemical behavior of biopolymers under ultrasonication may fortify the eminence of this technology in advanced-level applications. This review summarizes the recent advances in biopolymer processing and the effect of ultrasound on the physical properties of the selected biopolymers. A major focus will be given to the mechanisms of action and their impact on the properties and extraction. At the end, some possible suggestions are highlighted which need future investigation for amending the physical properties of biopolymers using ultrasonication.
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Affiliation(s)
- Shanta Biswas
- Department of Chemistry, Louisiana State University, Baton Rouge, LA-70803, USA.
| | - Taslim Ur Rashid
- Fiber and Polymer Science, Department of Textile Engineering, Chemistry and Science, Wilson College of Textiles, North Carolina State University, 1020 Main Campus Drive, Raleigh, NC, 27695, USA
- Applied Chemistry and Chemical Engineering, Faculty of Engineering and Technology, University of Dhaka, Dhaka-1000, Bangladesh.
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Soltani Firouz M, Sardari H, Soofiabadi M, Hosseinpour S. Ultrasound assisted processing of milk: Advances and challenges. J FOOD PROCESS ENG 2022. [DOI: 10.1111/jfpe.14173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Mahmoud Soltani Firouz
- Department of Agricultural Machinery Engineering, Faculty of Agricultural University of Tehran Karaj Iran
| | - Hamed Sardari
- Department of Agricultural Machinery Engineering, Faculty of Agricultural University of Tehran Karaj Iran
| | - Mahsa Soofiabadi
- Department of Agricultural Machinery Engineering, Faculty of Agricultural University of Tehran Karaj Iran
| | - Soleiman Hosseinpour
- Department of Agricultural Machinery Engineering, Faculty of Agricultural University of Tehran Karaj Iran
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Nicolás P, Lassalle VL, Ferreira ML. Evaluation of biocatalytic pathways in the synthesis of polyesters: Towards a greener production of surgical sutures. POLYM ADVAN TECHNOL 2022. [DOI: 10.1002/pat.5900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Paula Nicolás
- Catalysis group PLAPIQUI‐UNS‐CONICET Bahía Blanca Argentina
- Departamento de Química Universidad Nacional del Sur Bahía Blanca Argentina
| | - Verónica L. Lassalle
- Departamento de Química Universidad Nacional del Sur Bahía Blanca Argentina
- Applied Hybrid Nanomaterials group INQUISUR‐UNS‐CONICET Bahía Blanca Argentina
| | - María L. Ferreira
- Catalysis group PLAPIQUI‐UNS‐CONICET Bahía Blanca Argentina
- Departamento de Química Universidad Nacional del Sur Bahía Blanca Argentina
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Ultrasound Assisted Extraction of Saponins from Hedera helix L. and an In Vitro Biocompatibility Evaluation of the Extracts. Pharmaceuticals (Basel) 2022; 15:ph15101197. [PMID: 36297309 PMCID: PMC9609769 DOI: 10.3390/ph15101197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 09/20/2022] [Accepted: 09/23/2022] [Indexed: 11/17/2022] Open
Abstract
The aim of this study was to establish the best ultrasound assisted extraction (UAE) conditions of saponins from Hedera helix L. leaves and to evaluate the in vitro biocompatibility of the extracts richest in saponins. Different parameters, such as extraction time, temperature, ultrasound power, solvent to plant material ratio, and solvent concentration, were investigated. The most efficient extraction conditions were a temperature of 50 °C, an ultrasound amplitude of 40%, an extraction time of 60 min, a plant material to solvent ratio of 1:20 (w:v), and 80% ethanol as solvent. In vitro cytotoxicity of the extracts richest in saponins and their influence on the DNA content of L929 (NCTC) fibroblasts were tested. Until 200 µg/mL, the studied extracts were cytocompatible with L929 fibroblast cell lines at 48 h of treatment. These in vitro cell culture results provide useful information for further applications of Hedera helix extracts in a pharmaceutical field.
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Grillo G, Cintas P, Colia M, Calcio Gaudino E, Cravotto G. Process intensification in continuous flow organic synthesis with enabling and hybrid technologies. FRONTIERS IN CHEMICAL ENGINEERING 2022. [DOI: 10.3389/fceng.2022.966451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Industrial organic synthesis is time and energy consuming, and generates substantial waste. Traditional conductive heating and mixing in batch reactors is no longer competitive with continuous-flow synthetic methods and enabling technologies that can strongly promote reaction kinetics. These advances lead to faster and simplified downstream processes with easier workup, purification and process scale-up. In the current Industry 4.0 revolution, new advances that are based on cyber-physical systems and artificial intelligence will be able to optimize and invigorate synthetic processes by connecting cascade reactors with continuous in-line monitoring and even predict solutions in case of unforeseen events. Alternative energy sources, such as dielectric and ohmic heating, ultrasound, hydrodynamic cavitation, reactive extruders and plasma have revolutionized standard procedures. So-called hybrid or hyphenated techniques, where the combination of two different energy sources often generates synergistic effects, are also worthy of mention. Herein, we report our consolidated experience of all of these alternative techniques.
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25
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Gogate PR. Intensified sulfate radical oxidation using cavitation applied for wastewater treatment. Curr Opin Chem Eng 2022. [DOI: 10.1016/j.coche.2022.100850] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
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Siddique F, Gonzalez-Cortes S, Mirzaei A, Xiao T, Rafiq MA, Zhang X. Solution combustion synthesis: the relevant metrics for producing advanced and nanostructured photocatalysts. NANOSCALE 2022; 14:11806-11868. [PMID: 35920714 DOI: 10.1039/d2nr02714c] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The current developments and progress in energy and environment-related areas pay special attention to the fabrication of advanced nanomaterials via green and sustainable paths to accomplish chemical circularity. The design and preparation methods of photocatalysts play a prime role in determining the structural, surface characteristics and optoelectronic properties of the final products. The solution combustion synthesis (SCS) technique is a relatively novel, cost-effective, and efficient method for the bulk production of nanostructured materials. SCS-fabricated metal oxides are of great technological importance in photocatalytic, environmental and energy applications. To date, the SCS route has been employed to produce a large variety of solid materials such as metals, sulfides, carbides, nitrides and single or complex metal oxides. This review intends to provide a holistic perspective of the different steps involved in the chemistry of SCS of advanced photocatalysts, and pursues several SCS metrics that influence their photocatalytic performances to establish a feasible approach to design advanced photocatalysts. The study highlights the fundamentals of SCS and the importance of various combustion parameters in the characteristics of the fabricated photocatalysts. Consequently, this work deals with the design of a concise framework to link the fine adjustment of SCS parameters for the development of efficient metal oxide photocatalysts for energy and environmental applications.
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Affiliation(s)
- Fizza Siddique
- School of Science, Minzu University of China, Beijing, 100081, People's Republic of China.
- Department of Physics and Applied Mathematics, Pakistan Institute of Engineering and Applied Sciences, Nilore, Islamabad 45650, Pakistan
| | - Sergio Gonzalez-Cortes
- Inorganic Chemistry Laboratory, Department of Chemistry, University of Oxford, South Parks Road, Oxford OX1 3QR, UK.
| | - Amir Mirzaei
- Institut National de la Recherche Scientifique, Centre Énergie, Matériaux et Télécommunications, 1650 Boulevard Lionel-Boulet, Varennes, Québec J3X 1P7, Canada
| | - Tiancun Xiao
- Inorganic Chemistry Laboratory, Department of Chemistry, University of Oxford, South Parks Road, Oxford OX1 3QR, UK.
| | - M A Rafiq
- Department of Physics and Applied Mathematics, Pakistan Institute of Engineering and Applied Sciences, Nilore, Islamabad 45650, Pakistan
| | - Xiaoming Zhang
- School of Science, Minzu University of China, Beijing, 100081, People's Republic of China.
- Optoelectronics Research Center, Minzu University of China, Beijing, 100081, People's Republic of China
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27
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Yu D, Guo Y, Li X, Ji X, Luo S, Pan M, Shi Y. Application of Pd/MWCNTs Catalyst in Ultrasound‐Assisted Catalytic Transfer of Hydrogenated Soybean Oil. EUR J LIPID SCI TECH 2022. [DOI: 10.1002/ejlt.202200047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Dianyu Yu
- School of Food Science Northeast Agricultural University Harbin 150030 China
| | - Yanfei Guo
- School of Food Science Northeast Agricultural University Harbin 150030 China
| | - Xun Li
- School of Food Science Northeast Agricultural University Harbin 150030 China
| | - Xiaorui Ji
- School of Food Science Northeast Agricultural University Harbin 150030 China
| | - Shunian Luo
- Jiusan Oils and Grains Industries Group Co., LTD Harbin 150090 China
| | - Mingzhe Pan
- School of Food Science Northeast Agricultural University Harbin 150030 China
| | - Yongge Shi
- Jiusan Oils and Grains Industries Group Co., LTD Harbin 150090 China
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Ye S, Zhu J, Shah BR, Abel Wend-Soo Z, Li J, Zhan F, Li B. Preparation and characterization of konjac glucomannan (KGM) and deacetylated KGM (Da-KGM) obtained by sonication. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2022; 102:4333-4344. [PMID: 35043977 DOI: 10.1002/jsfa.11786] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 01/06/2022] [Accepted: 01/19/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Konjac glucomannan (KGM) has been widely applied in the food industry as a thickening and gelation agent because of its unique colloidal properties of viscosity enhancement and gelling ability. The current study aimed to prepare and characterize KGM and deacetylated KGM (Da-KGM) samples obtained by sonication in neutral and alkali ethanol-water solutions. RESULTS The results showed that the deacetylation degree (DD) of Da-KGM increased exponentially with alkali concentration. Fourier transform infrared spectrometry further confirmed the deacetylation reaction through the dramatic decrease in the acetyl group band at 1740 cm-1 . Besides, the high similarity among the tested groups in terms of X-ray diffraction (XRD) spectra implied a similar crystalline structure, while differential scanning calorimetry (DSC) curves revealed that the water binding capacity and decomposition temperature of KGM changed slightly with alkali and sonication treatment. The rheological profiles indicated that apparent viscosity (η0 ) of sonicated KGM samples was unchanged except for the T60 group (60 min sonication treatment). Particularly, ultrasonic treatment under high alkaline conditions (0.10 mol L-1 NaOH) was noted to promote the deacetylation reaction, and the obtained samples showed decreased apparent viscosity and weakened the gelation process in aqueous solution. Partial correction analysis indicated that alkali rather than ultrasonic treatment resulted in the change of DD and η0 in Da-KGM. Moreover, sonication contributed to off-white color by reducing the browning caused by alkali in Da-KGM products. CONCLUSION Ultrasound-mediated heterogeneous deacetylation reaction is a feasible way to prepare Da-KGM samples with lightened browning and controllable DD. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Shuxin Ye
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Jingsong Zhu
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Bakht Ramin Shah
- University of South Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Institute of Aquaculture and Protection of Waters, České Budějovice, Czech Republic
| | - Zongo Abel Wend-Soo
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Jing Li
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Fuchao Zhan
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Bin Li
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China
- Hubei Collaborative Innovation Centre for Industrial Fermentation, Hubei University of Technology, Wuhan, China
- Key Laboratory of Environment Correlative Dietology (Huazhong Agricultural University), Ministry of Education, Wuhan, China
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Mulay A, Rathod V. Ultrasound-assisted synthesis of ethyl hexanoate using heterogeneous catalyst: Optimization using Box-Behnken design. J INDIAN CHEM SOC 2022. [DOI: 10.1016/j.jics.2022.100573] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Mardjan MID, Hariadi MF, Putri IM, Musyarrofah NA, Salimah M, Priatmoko, Purwono B, Commeiras L. Ultrasonic-assisted-synthesis of isoindolin-1-one derivatives. RSC Adv 2022; 12:19016-19021. [PMID: 35873335 PMCID: PMC9241359 DOI: 10.1039/d2ra02720h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 06/15/2022] [Indexed: 11/21/2022] Open
Abstract
A small library of 3-hydroxyisoindolin-1-ones has been prepared from 3-alkylidenephtalides under ultrasonic irradiation. This practical synthesis is featured by group tolerance, high efficiency and yields. The reaction can also be performed in multigram scale and be further extended to access other motifs of isoindolin-1-ones in a one-pot fashion. Functionalized isoindolin-1-ones have been prepared in short reaction time and excellent yields from 3-alkylidenephtalides and primary amines under ultrasonic irradiation.![]()
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Affiliation(s)
- Muhammad Idham Darussalam Mardjan
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada Bulaksumur POS BLS 21 Yogyakarta 55281 Indonesia
| | - Muhamad Fadhly Hariadi
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada Bulaksumur POS BLS 21 Yogyakarta 55281 Indonesia
| | - Indah Mutiara Putri
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada Bulaksumur POS BLS 21 Yogyakarta 55281 Indonesia
| | - Nilna Amalia Musyarrofah
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada Bulaksumur POS BLS 21 Yogyakarta 55281 Indonesia
| | - Muflihah Salimah
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada Bulaksumur POS BLS 21 Yogyakarta 55281 Indonesia
| | - Priatmoko
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada Bulaksumur POS BLS 21 Yogyakarta 55281 Indonesia
| | - Bambang Purwono
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada Bulaksumur POS BLS 21 Yogyakarta 55281 Indonesia
| | - Laurent Commeiras
- Aix Marseille Univ., CNRS, Centrale Marseille, iSm2 Marseille 13013 France
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31
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Nunes BV, da Silva CN, Bastos SC, de Souza VR. Microbiological Inactivation by Ultrasound in Liquid Products. FOOD BIOPROCESS TECH 2022. [DOI: 10.1007/s11947-022-02818-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Naidu H, Kahraman O, Feng H. Novel applications of ultrasonic atomization in the manufacturing of fine chemicals, pharmaceuticals, and medical devices. ULTRASONICS SONOCHEMISTRY 2022; 86:105984. [PMID: 35395443 PMCID: PMC8991379 DOI: 10.1016/j.ultsonch.2022.105984] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 03/03/2022] [Accepted: 03/15/2022] [Indexed: 06/14/2023]
Abstract
Liquid atomization as a fluid disintegration method has been used in many industrial applications such as spray drying, coating, incineration, preparation of emulsions, medical devices, etc. The usage of ultrasonic energy for atomizing liquid is gaining interest as a green and energy-efficient alternative to traditional mechanical atomizers. In the past two decades, efforts have been made to explore new applications of ultrasonic misting for downstream separation of chemicals, e.g., bioethanol, from their aqueous solutions. Downstream separation of a chemical from its aqueous solutions is known to be an energy-intensive process. Conventional distillation is featured by low energy efficiency and inability to separate azeotropic mixtures, and thus novel alternatives, such as ultrasonic separation have been explored to advance the separation technology. Ultrasonic misting has been reported to generate mist and vapor mixture in a gaseous phase that is enriched in solute (e.g., ethanol), under non-thermal, non-equilibrium, and phase change free conditions. This review article takes an in-depth look into the recent advancements in ultrasound-mediated separation of organic molecules, especially bioethanol, from their aqueous solutions. An effort was made to analyze and compare the experimental setups used, mist collection methods, droplet size distribution, and separation mechanism. In addition, the applications of ultrasonic atomization in the production of pharmaceuticals and medical devices are discussed.
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Affiliation(s)
- Haripriya Naidu
- Department of Food Science and Human Nutrition, University of Illinois Urbana Champaign, 1304 West Pennsylvania Avenue, Urbana, IL 61801, USA.
| | - Ozan Kahraman
- Applied Food Sciences, 2500 Crosspark Road, Coralville, IA 52241, USA.
| | - Hao Feng
- Department of Food Science and Human Nutrition, University of Illinois Urbana Champaign, 1304 West Pennsylvania Avenue, Urbana, IL 61801, USA; Department of Agricultural and Biological Engineering, University of Illinois Urbana Champaign, 1304 West Pennsylvania Avenue, Urbana, IL 61801, USA.
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Wang F, Liu Y, Du C, Gao R. Current Strategies for Real-Time Enzyme Activation. Biomolecules 2022; 12:biom12050599. [PMID: 35625527 PMCID: PMC9139169 DOI: 10.3390/biom12050599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 04/12/2022] [Accepted: 04/13/2022] [Indexed: 11/21/2022] Open
Abstract
Enzyme activation is a powerful means of achieving biotransformation function, aiming to intensify the reaction processes with a higher yield of product in a short time, and can be exploited for diverse applications. However, conventional activation strategies such as genetic engineering and chemical modification are generally irreversible for enzyme activity, and they also have many limitations, including complex processes and unpredictable results. Recently, near-infrared (NIR), alternating magnetic field (AMF), microwave and ultrasound irradiation, as real-time and precise activation strategies for enzyme analysis, can address many limitations due to their deep penetrability, sustainability, low invasiveness, and sustainability and have been applied in many fields, such as biomedical and industrial applications and chemical synthesis. These spatiotemporal and controllable activation strategies can transfer light, electromagnetic, or ultrasound energy to enzymes, leading to favorable conformational changes and improving the thermal stability, stereoselectivity, and kinetics of enzymes. Furthermore, the different mechanisms of activation strategies have determined the type of applicable enzymes and manipulated protocol designs that either immobilize enzymes on nanomaterials responsive to light or magnetic fields or directly influence enzymatic properties. To employ these effects to finely and efficiently activate enzyme activity, the physicochemical features of nanomaterials and parameters, including the frequency and intensity of activation methods, must be optimized. Therefore, this review offers a comprehensive overview related to emerging technologies for achieving real-time enzyme activation and summarizes their characteristics and advanced applications.
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34
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Ultrasound assisted continuous processing in microreactors with focus on crystallization and chemical synthesis: A critical review. Chem Eng Res Des 2022. [DOI: 10.1016/j.cherd.2022.03.049] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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35
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Effect of Thermal and Non-Thermal Technologies on Kinetics and the Main Quality Parameters of Red Bell Pepper Dried with Convective and Microwave-Convective Methods. Molecules 2022; 27:molecules27072164. [PMID: 35408568 PMCID: PMC9000649 DOI: 10.3390/molecules27072164] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 03/23/2022] [Accepted: 03/25/2022] [Indexed: 11/17/2022] Open
Abstract
The drying process preserves the surplus of perishable food. However, to obtain a good-quality final product, different pretreatments are conducted before drying. Thus, the aim of the study was the evaluation of the effect of thermal (blanching treatments with hot water) and non-thermal technologies (pulsed electric field (PEF) and ultrasound (US)) on the kinetics of the drying process of red bell pepper. The convective and microwave-convective drying were compared based on quality parameters, such as physical (water activity, porosity, rehydration rate, and color) and chemical properties (total phenolic content, total carotenoids content, antioxidant activity, and total sugars content). The results showed that all of the investigated methods reduced drying time. However, the most effective was blanching, followed by PEF and US treatment, regardless of the drying technique. Non-thermal methods allowed for better preservation of bioactive compounds, such as vitamin C in the range of 8.2% to 22.5% or total carotenoid content in the range of 0.4% to 48%, in comparison to untreated dried material. Moreover, PEF-treated red bell peppers exhibited superior antioxidant activity (higher of about 15.2-30.8%) when compared to untreated dried samples, whereas sonication decreased the free radical scavenging potential by ca. 10%. In most cases, the pretreatment influenced the physical properties, such as porosity, color, or rehydration properties. Samples subjected to PEF and US treatment and dried by using a microwave-assisted method exhibited a significantly higher porosity of 2-4 folds in comparison to untreated material; this result was also confirmed by visual inspection of microtomography scans. Among tested methods, blanched samples had the most similar optical properties to untreated materials; however non-thermally treated bell peppers exhibited the highest saturation of the color.
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36
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Negris L, Santos HN, Picoloto RS, Alves FEA, Flores EMM, Santos MFP, Vicente MA. Ultrasound-assisted adsorption on porous ceramic for removal of iron in water. ENVIRONMENTAL TECHNOLOGY 2022; 43:1211-1224. [PMID: 32912073 DOI: 10.1080/09593330.2020.1822923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 09/07/2020] [Indexed: 06/11/2023]
Abstract
This study proposes the use of an ultrasound-assisted adsorption system coupled to porous ceramic fragments to improve the removal of iron from FeSO4 aqueous solution. Ultrasound was applied using an ultrasound bath at a low frequency (37 kHz, 330 W). The optimized conditions for Fe removal were achieved by 7 g of adsorbent, 40 min of sonication, 20 mg L-1 of initial Fe concentration, and 30 °C of reaction temperature. After optimizing the conditions, the method was applied for the removal of iron in groundwater. A central composite design and response surface methodology were used to evaluate the degree to which different variables had a significant effect on iron removal. The efficiency of iron removal using the selected conditions for FeSO4 solution was near to 100%. However, for groundwater samples, the maximum iron removal efficiencies of the system with and without ultrasound were 80.7% and 51.1%, respectively, indicating that the adsorption with ultrasound was significantly higher than that without ultrasound. It was shown that the proposed ultrasound-assisted adsorption system can be used to enhance the removal of inorganic iron from groundwater.
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Affiliation(s)
- Luana Negris
- Departamento de Ciências Naturais, Centro Universitário Norte do Espírito Santo, Universidade Federal do Espírito Santo, São Mateus, Brazil
| | - Hélisson N Santos
- Setor de Caracterização Mineral, Centro de Tecnologia Mineral - CETEM, Rio de Janeiro, Brazil
| | - Rochele S Picoloto
- Departamento de Química, Universidade Federal de Santa Maria, Santa Maria, Brazil
| | - Felipe E A Alves
- Setor de Caracterização Mineral, Centro de Tecnologia Mineral - CETEM, Rio de Janeiro, Brazil
| | - Erico M M Flores
- Departamento de Química, Universidade Federal de Santa Maria, Santa Maria, Brazil
| | - Maria F P Santos
- Departamento de Ciências Naturais, Centro Universitário Norte do Espírito Santo, Universidade Federal do Espírito Santo, São Mateus, Brazil
| | - Maristela A Vicente
- Departamento de Ciências Naturais, Centro Universitário Norte do Espírito Santo, Universidade Federal do Espírito Santo, São Mateus, Brazil
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37
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Kalmár C, Turányi T, Zsély IG, Papp M, Hegedűs F. The importance of chemical mechanisms in sonochemical modelling. ULTRASONICS SONOCHEMISTRY 2022; 83:105925. [PMID: 35149378 PMCID: PMC8841831 DOI: 10.1016/j.ultsonch.2022.105925] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 01/11/2022] [Accepted: 01/16/2022] [Indexed: 05/24/2023]
Abstract
A state-of-the-art chemical mechanism is introduced to properly describe chemical processes inside a harmonically excited spherical bubble placed in water and saturated with oxygen. The model uses up-to-date Arrhenius-constants, collision efficiency factors and takes into account the pressure-dependency of the reactions. Duplicated reactions are also applied, and the backward reactions rates are calculated via suitable thermodynamic equilibrium conditions. Our proposed reaction mechanism is compared to three other chemical models that are widely applied in sonochemistry and lack most of the aforementioned modelling issues. In the governing equations, only the reaction mechanisms are compared, all other parts of the models are identical. The chemical yields obtained by the different modelling techniques are taken at the maximum expansion of the bubble. A brief parameter study is made with different pressure amplitudes and driving frequencies at two equilibrium bubble sizes. The results show that due to the deficiencies of the former reaction mechanisms employed in the sonochemical literature, several orders of magnitude differences of the chemical yields can be observed. In addition, the trends along a control parameter can also have dissimilar characteristics that might lead to false optimal operating conditions. Consequently, an up-to-date and accurate chemical model is crucial to make qualitatively and quantitatively correct conclusions in sonochemistry.
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Affiliation(s)
- Csanád Kalmár
- Department of Hydrodynamic Systems, Faculty of Mechanical Engineering, Budapest University of Technology and Economics, Műegyetem rkp. 3., H-1111 Budapest, Hungary.
| | - Tamás Turányi
- Chemical Kinetics Laboratory, Institute of Chemistry, ELTE Eötvös Loránd University, Budapest, Hungary.
| | - István Gy Zsély
- Chemical Kinetics Laboratory, Institute of Chemistry, ELTE Eötvös Loránd University, Budapest, Hungary.
| | - Máté Papp
- Chemical Kinetics Laboratory, Institute of Chemistry, ELTE Eötvös Loránd University, Budapest, Hungary.
| | - Ferenc Hegedűs
- Department of Hydrodynamic Systems, Faculty of Mechanical Engineering, Budapest University of Technology and Economics, Műegyetem rkp. 3., H-1111 Budapest, Hungary.
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38
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Ultrasound-Assisted Demineralization Process of Sugarcane Straw and Its Influence on the Further Biomass Conversion. SUSTAINABILITY 2022. [DOI: 10.3390/su14010557] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Lignocellulosic materials have been considered as an alternative source from which liquid biofuel and fine chemicals can be produced with a moderate environmental impact. However, they can be contaminated with metals, soil, and ash, owing incrustation and corrosion of industrial reactors and pipelines. In this work, the use of ultrasound energy was applied for the removal of metals and nonmetals (Ba, Ca, Mg, Mn, P, S, Si, and Sr) from sugarcane straw. Ultrasound-assisted demineralization (UAD) experiments were carried out in ultrasonic baths in several frequencies (from 25 up to 130 kHz). The following experimental conditions were evaluated: demineralization solution (HNO3, HCl, H2SO4, H2O2, and H2O), H2O2 concentration (from 5 to 30% v v−1), extraction temperature (from 30 to 70 °C), sonication time (from 5 to 45 min), and ultrasound amplitude (from 10 to 70%). Better demineralization efficiencies (66%) were obtained employing an ultrasound bath operating at 25 kHz for 30 min, ultrasound amplitude of 60%, and using a diluted H2O2 solution (15% v v−1) at 70 °C. When the obtained results were compared with those obtained by mechanical stirring (MS, 500 rpm), it was observed that the use of ultrasound energy increased the demineralization efficiency up to 16%. Furthermore, acid hydrolysis was performed to evaluate the influence of US and mechanical stirring in fermentable sugars’ production. The total sugars’ yield (glucose, xylose, and arabinose) increased around 55% for both systems (US and MS). To prove the applicability of the proposed process, some experiments for scaling up were performed using several reaction loads (0.5 to 3 L). An attempt for scaling the proposed process up was well succeeded up to a 3 L load. Therefore, the proposed ultrasound-assisted procedure can be considered as a suitable alternative for high-efficiency demineralization from sugarcane straw.
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Abstract
In the present review article, the definitions and the most advanced findings within Process Intensification are collected and discussed. The intention is to give the readers the basic concepts, fixing the syllabus, as well as some relevant application examples of a discipline that is well-established and considered a hot topic in the chemical reaction engineering field at present.
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40
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Jaiswal KS, Rathod VK. Process Intensification of Enzymatic Synthesis of Flavor Esters: A Review. CHEM REC 2021; 22:e202100213. [PMID: 34859555 DOI: 10.1002/tcr.202100213] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 10/20/2021] [Accepted: 10/29/2021] [Indexed: 11/08/2022]
Abstract
The conventional flavor synthesis method suffers from low yields, time inefficiency, and extreme reaction conditions. Therefore, there is a necessity for the green and novel synthesis approach to overcome these limitations. The current review presents a holistic insight into different aspects associated with the synthesis of flavor esters using the immobilized enzyme. The application of process intensification tools such as ultrasound and microwave irradiation can enhance the reaction efficiency because of higher product recovery, less formation of by-products, and decreased energy consumption. This review presents the process intensification of value-added flavor esters synthesis and the mechanism of ultrasound and microwave action on the enzyme to enhance the enzyme activity and increase the reaction rate. It also summarizes the role of process intensification in enzymatic flavor ester synthesis, followed by specific examples as reported in the literature.
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Affiliation(s)
- Kajal S Jaiswal
- Department of Chemical Engineering, Institute of Chemical Technology, Matunga (E), Mumbai, 400019, India
| | - Virendra K Rathod
- Department of Chemical Engineering, Institute of Chemical Technology, Matunga (E), Mumbai, 400019, India
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41
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Nozawa T, Nakagawa K. Understanding diffusion layer agitation by cavitation in electroplating based on high-speed monitoring. ULTRASONICS SONOCHEMISTRY 2021; 81:105856. [PMID: 34871911 PMCID: PMC8649890 DOI: 10.1016/j.ultsonch.2021.105856] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 11/17/2021] [Accepted: 12/02/2021] [Indexed: 05/26/2023]
Abstract
Ultrasonic electroplating has gained attention owing to various advantages such as the promotion of mass transport to the substrate surface, improvement of the surface properties of the film, and improvement of limiting current density. However, no studies have clarified the mechanism in diffusion layer agitation caused by cavitation during ultrasonic electroplating. Here, we investigate the main factor of agitation by using a high-speed imaging technique to capture the agitation effect of shock waves and microjets generated from laser-induced cavitation on the diffusion layer of electroplating. The physical parameters of the agitation were characterized using image analysis and a micro-pressure gauge. The results revealed that only microjets affected the agitation phenomenon. The flow velocity was 21 m/s, and the water hammer pressure was low, at least below 0.05 MPa. Our results suggest that the flow velocity, and not the water hammer pressure, plays an important role in the agitation phenomenon on the substrate surface by cavitation.
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Affiliation(s)
- Taisuke Nozawa
- New Materials Research Laboratory, Nippon Steel Corporation, Chiba 293-8511, Japan.
| | - Keiichi Nakagawa
- School of Engineering, The University of Tokyo, Tokyo 113-8656, Japan
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Meroni D, Djellabi R, Ashokkumar M, Bianchi CL, Boffito DC. Sonoprocessing: From Concepts to Large-Scale Reactors. Chem Rev 2021; 122:3219-3258. [PMID: 34818504 DOI: 10.1021/acs.chemrev.1c00438] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Intensification of ultrasonic processes for diversified applications, including environmental remediation, extractions, food processes, and synthesis of materials, has received attention from the scientific community and industry. The mechanistic pathways involved in intensification of ultrasonic processes that include the ultrasonic generation of cavitation bubbles, radical formation upon their collapse, and the possibility of fine-tuning operating parameters for specific applications are all well documented in the literature. However, the scale-up of ultrasonic processes with large-scale sonochemical reactors for industrial applications remains a challenge. In this context, this review provides a complete overview of the current understanding of the role of operating parameters and reactor configuration on the sonochemical processes. Experimental and theoretical techniques to characterize the intensity and distribution of cavitation activity within sonoreactors are compared. Classes of laboratory and large-scale sonoreactors are reviewed, highlighting recent advances in batch and flow-through reactors. Finally, examples of large-scale sonoprocessing applications have been reviewed, discussing the major scale-up and sustainability challenges.
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Affiliation(s)
- Daniela Meroni
- Dipartimento di Chimica, Università degli Studi di Milano, Via Golgi 19, 20133 Milano, Italy
| | - Ridha Djellabi
- Dipartimento di Chimica, Università degli Studi di Milano, Via Golgi 19, 20133 Milano, Italy
| | | | - Claudia L Bianchi
- Dipartimento di Chimica, Università degli Studi di Milano, Via Golgi 19, 20133 Milano, Italy
| | - Daria C Boffito
- Département de Génie Chimique, C.P. 6079, Polytechnique Montréal, Montréal H3C 3A7, Canada.,Canada Research Chair in Intensified Mechanochemical Processes for Sustainable Biomass Conversion, Department of Chemical Engineering, Polytechnique Montréal, C.P. 6079, Succ. CV, H3C 3A7 Montréal, Québec Canada
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Hornink MM, Nascimento VR, Couto JL, Santos CS, Andrade LH. Ultrasound-mediated radical cascade reactions: Fast synthesis of functionalized indolines from 2-(((N-aryl)amino)methyl)acrylates. ULTRASONICS SONOCHEMISTRY 2021; 79:105778. [PMID: 34649162 PMCID: PMC8517378 DOI: 10.1016/j.ultsonch.2021.105778] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 09/15/2021] [Accepted: 10/01/2021] [Indexed: 06/13/2023]
Abstract
Novel functionalized indolines were synthesized from 2-(((N-aryl)amino)methyl)acrylates and formamides under ultrasonic irradiation for the first time. Aiming to develop a straightforward and easy-to-implement methodology for the synthesis of indolines, an instrumentation setup was designed, including ultrasound (US) equipment (Ultrasonic Horn; tip diameter of 12.7 mm, 20 kHz, maximum power of 400 W), an open reaction flask, and an inexpensive and green catalyst (1 mol%; FeSO4·7H2O; CAS: 7782-63-0) without the need for anhydrous conditions. The use of the sono-Fenton process in the presence of formamides and 2-(((N-aryl)amino)methyl)acrylates afforded a broad range of functionalized indolines within 60 s in high yields. Several experimental parameters of the ultrasound-assisted reaction were evaluated, such as amplitude (40-80%), sonication time (15-60 s), and pulsed ultrasonic irradiation. A 60 s silent reaction did not produce the desired indoline. The optimized conditions for US-mediated reactions allowed the production of functionalized indolines in high isolated yields (up to 99%, 60 s reaction, pulse ration 1 s:1 s, US amplitude 60 %).
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Affiliation(s)
- Milene M Hornink
- Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes, 748, CEP 05508-000 São Paulo, SP, Brazil
| | - Vinicius R Nascimento
- Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes, 748, CEP 05508-000 São Paulo, SP, Brazil
| | - Julia L Couto
- Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes, 748, CEP 05508-000 São Paulo, SP, Brazil
| | - Caroline S Santos
- Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes, 748, CEP 05508-000 São Paulo, SP, Brazil
| | - Leandro H Andrade
- Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes, 748, CEP 05508-000 São Paulo, SP, Brazil.
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Mittersteiner M, Farias FFS, Bonacorso HG, Martins MAP, Zanatta N. Ultrasound-assisted synthesis of pyrimidines and their fused derivatives: A review. ULTRASONICS SONOCHEMISTRY 2021; 79:105683. [PMID: 34562732 PMCID: PMC8473776 DOI: 10.1016/j.ultsonch.2021.105683] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 07/12/2021] [Accepted: 07/20/2021] [Indexed: 06/09/2023]
Abstract
The pyrimidine scaffold is present in many bioactive drugs; therefore, efficient synthetic routes that provide shorter reaction times, higher yields, and site-selective reactions are constantly being sought. Ultrasound (US) irradiation has emerged as an alternative energy source in the synthesis of these heterocyclic scaffolds, and over the last ten years there has been a significant increase in the number of publications mentioning US in either the construction or derivatization of the pyrimidine core. This review presents a detailed summary (with 140 references) of the effects of US (synergic or not) on the construction and derivatization of the pyrimidine core through classical reactions (e.g., multicomponent, cyclocondensation, cycloaddition, and alkylation reactions). The main points that were taken into consideration are as follows: chemo- and regioselectivity issues, and the results of conventional heating methods compared to US and mechanistic insights that are also presented and discussed for key reactions.
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Affiliation(s)
- Mateus Mittersteiner
- Núcleo de Química de Heterociclos (NUQUIMHE), Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, Brazil.
| | - Fellipe F S Farias
- Núcleo de Química de Heterociclos (NUQUIMHE), Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, Brazil
| | - Helio G Bonacorso
- Núcleo de Química de Heterociclos (NUQUIMHE), Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, Brazil
| | - Marcos A P Martins
- Núcleo de Química de Heterociclos (NUQUIMHE), Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, Brazil
| | - Nilo Zanatta
- Núcleo de Química de Heterociclos (NUQUIMHE), Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, Brazil.
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Taufiq A, Yuliantika D, Sunaryono S, Saputro RE, Hidayat N, Mufti N, Susanto H, Soontaranon S, Nur H. Hierarchical Structure and Magnetic Behavior of Zn-Doped Magnetite Aqueous Ferrofluids Prepared from Natural Sand for Antibacterial Agents. AN ACAD BRAS CIENC 2021; 93:e20200774. [PMID: 34705939 DOI: 10.1590/0001-3765202120200774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Accepted: 12/07/2020] [Indexed: 11/22/2022] Open
Abstract
This study performs natural sand-based synthesis using the sonochemical route for preparing Zn-doped magnetite nanoparticles. The nanoparticles were dispersed in water as a carrier liquid to form Zn-doped magnetite aqueous ferrofluids. Structural data analysis indicated that the Zn-doped magnetite nanoparticles formed a nanosized spinel structure. With an increase in the Zn content, the lattice parameters of the Zn-doped magnetite nanoparticles tended to increase because Zn2+ has a larger ionic radius than those of Fe3+ and Fe2+. The existence of Zn-O and Fe-O functional groups in tetrahedral and octahedral sites were observed in the wavenumber range of 400-700 cm-1. The primary particles of the Zn-doped magnetite ferrofluids tended to construct chain-like structures with fractal dimensions of 1.2-1.9. The gas-like compression (GMC) plays as a better model than the Langevin theory to fit the saturation magnetization of the ferrofluids. The ferrofluids exhibited a superparamagnetic character, with their magnetization was contributed by aggregation. The Zn-doped magnetite ferrofluids exhibited excellent antibacterial activity against gram-positive and negative bacteria. It is suggested that the presence of the negatively charged surface and the nanoparticle size may contribute to the high antibacterial activity of Zn-doped magnetite ferrofluids and making them potentially suitable for advanced biomedical.
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Affiliation(s)
- Ahmad Taufiq
- Universitas Negeri Malang, Faculty of Mathematics and Natural Sciences,Department of Physics, Jl. Semarang, No. 5, Malang 65145, Indonesia
| | - Defi Yuliantika
- Universitas Negeri Malang, Faculty of Mathematics and Natural Sciences,Department of Physics, Jl. Semarang, No. 5, Malang 65145, Indonesia
| | - Sunaryono Sunaryono
- Universitas Negeri Malang, Faculty of Mathematics and Natural Sciences,Department of Physics, Jl. Semarang, No. 5, Malang 65145, Indonesia
| | - Rosy E Saputro
- Universitas Negeri Malang, Faculty of Mathematics and Natural Sciences,Department of Physics, Jl. Semarang, No. 5, Malang 65145, Indonesia
| | - Nurul Hidayat
- Universitas Negeri Malang, Faculty of Mathematics and Natural Sciences,Department of Physics, Jl. Semarang, No. 5, Malang 65145, Indonesia
| | - Nandang Mufti
- Universitas Negeri Malang, Faculty of Mathematics and Natural Sciences,Department of Physics, Jl. Semarang, No. 5, Malang 65145, Indonesia
| | - Hendra Susanto
- Universitas Negeri Malan, Faculty of Mathematics and Natural Sciences, Department of Biology, Jl. Semarang, No. 5, Malang 65145, Indonesia
| | - Siriwat Soontaranon
- Synchrotron Light Research Institute, Nakhon Ratchasima, 111 University Avenue, Muang District, Nakhon Ratchasima 30000, Thailand
| | - Hadi Nur
- Universiti Teknologi Malaysia, Ibnu Sina Institute for Scientific and Industrial Research, Centre for Sustainable Nanomaterials, 81310 Johor Bahru, Johor, Malaysia
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Priya, Gogate PR. Ultrasound-Assisted Intensification of Activity of Free and Immobilized Enzymes: A Review. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c01217] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Priya
- Chemical Engineering Department, Institute of Chemical Technology, Matunga, Mumbai 400019, India
| | - Parag R. Gogate
- Chemical Engineering Department, Institute of Chemical Technology, Matunga, Mumbai 400019, India
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Laajimi H, Mattia M, Stein RS, Bianchi CL, Boffito DC. Electron paramagnetic resonance of sonicated powder suspensions in organic solvents. ULTRASONICS SONOCHEMISTRY 2021; 73:105544. [PMID: 33819869 PMCID: PMC8047979 DOI: 10.1016/j.ultsonch.2021.105544] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 03/20/2021] [Accepted: 03/23/2021] [Indexed: 05/08/2023]
Abstract
The chemical effects of the acoustic cavitation generated by ultrasound translates into the production of highly reactive radicals. Acoustic cavitation is widely explored in aqueous solutions but it remains poorly studied in organic liquids and in particular in liquid/solid media. However, several heterogeneous catalysis reactions take place in organic solvents. Thus, we sonicated trimethylene glycol and propylene glycol in the presence of silica particles (SiO2) of different sizes (5-15 nm, 0.2-0.3 µm, 12-26 µm) and amounts (0.5 wt% and 3 wt%) at an ultrasound frequency of 20 kHz to quantify the radicals generated. The spin trap 5,5-dimethyl-1-pyrrolin-N-oxide (DMPO) was used to trap the generated radicals for study by electron paramagnetic resonance (EPR) spectroscopy. We identified the trapped radical as the hydroxyalkyl radical adduct of DMPO, and we quantified it using stable radical 2,2,6,6-tetramethyl-1-piperidinyloxy (TEMPO) as a quantitation standard. The concentration of DMPO spin adducts in solutions containing silica size 12-26 µm was higher than the solution without particles. The presence of these particles increased the concentration of the acoustically generated radicals by a factor of 1.5 (29 µM for 0.5 wt% of SiO2 size 12-26 µm vs 19 µM for 0 wt%, after 60 min of sonication). Ultrasound produced fewest radicals in solutions with the smallest particles; the concentration of radical adducts was highest for SiO2 particle size 12-26 µm at 0.5 wt% loading, reaching 29 µM after 60 min sonication. Ultrasound power of 50.6 W produced more radicals than 24.7 W (23 µM and 18 µM, respectively, at 30 min sonication). Increased temperature during sonication generated more radical adducts in the medium (26 µM at 75 °C and 18 µM at 61 °C after 30 min sonication). Acoustic cavitation, in the presence of silica, increased the production of radical species in the studied organic medium.
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Affiliation(s)
- Héla Laajimi
- Polytechnique Montréal - Department of Chemical Engineering, C.P. 6079, Centre Ville, H3C 3A7 Montréal, QC, Canada
| | - Michela Mattia
- Università degli Studi di Milano - Chemistry Department, via Golgi 19, 20133 Milan, Italy
| | - Robin S Stein
- McGill University - Chemistry Department, 801 Rue Sherbrooke Ouest, Montréal QC H3A 0B8, QC, Canada
| | - Claudia L Bianchi
- Università degli Studi di Milano - Chemistry Department, via Golgi 19, 20133 Milan, Italy
| | - Daria C Boffito
- Polytechnique Montréal - Department of Chemical Engineering, C.P. 6079, Centre Ville, H3C 3A7 Montréal, QC, Canada.
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Efficient synthesis of amine-functionalized graphene oxide by ultrasound-assisted reactions and density functional theory mechanistic insight. APPLIED NANOSCIENCE 2021. [DOI: 10.1007/s13204-021-01798-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Patience NA, Schieppati D, Boffito DC. Continuous and pulsed ultrasound pectin extraction from navel orange peels. ULTRASONICS SONOCHEMISTRY 2021; 73:105480. [PMID: 33601279 PMCID: PMC7898032 DOI: 10.1016/j.ultsonch.2021.105480] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 12/24/2020] [Accepted: 01/26/2021] [Indexed: 05/10/2023]
Abstract
Pectin is a valuable product (up to 30 $kg-1) that makes-up 20-30% of an orange's peel. The commercial extraction is lengthy (up to 6h) and energy intensive as it requires heating aqueous solutions (60-100 °C). Ultrasound speeds up the extraction process reducing processing time by macroscopic and microscopic mixing by acoustic cavitation. We adopted an ultrasonic horn to deliver a rated power of 500W at amplitudes of 20%, 40%, and 60% with and without pulsation to extract pectin from waste orange peels. These correspond to power densities of 0.08Wml-1, 0.16Wml-1 and 0.24Wml-1, respectively. The extractions operated at a pH of either 2 or 3. The experimental data agree with the fitted values from the statistical model (R2=95.5%). The model confirms our predictions that yield increases with amplitude/power density and decreasing pH. The highest yield was (11%) at a pH of 2 and with continuous ultrasonic irradiation at a power density of 0.24Wml-1. There is only a 1.3% difference between this datum and pulse ultrasound mode (1 s on/1 s off) at the same conditions - a Student's t test confirmed that there was no significant difference in yield between continuous and pulse mode. However, pulsing is more efficient in that it consumes less than half the energy of continuous operation (80kJ vs. 190kJ).
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Affiliation(s)
- N A Patience
- Department of Chemical Engineering, Polytechnique Montréal, C.P. 6079, Succ. CV, Montréal, H3C 3A7 Québec, Canada
| | - D Schieppati
- Department of Chemical Engineering, Polytechnique Montréal, C.P. 6079, Succ. CV, Montréal, H3C 3A7 Québec, Canada
| | - D C Boffito
- Department of Chemical Engineering, Polytechnique Montréal, C.P. 6079, Succ. CV, Montréal, H3C 3A7 Québec, Canada.
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Sadeghpour P, Haghighi M, Ebrahimi A. Ultrasound-assisted rapid hydrothermal design of efficient nanostructured MFI-Type aluminosilicate catalyst for methanol to propylene reaction. ULTRASONICS SONOCHEMISTRY 2021; 72:105416. [PMID: 33360534 PMCID: PMC7803814 DOI: 10.1016/j.ultsonch.2020.105416] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 11/11/2020] [Accepted: 11/25/2020] [Indexed: 06/12/2023]
Abstract
The influence of ultrasound-assisted rapid hydrothermal synthesis of aluminosilicate ZSM-5 catalysts was examined in this work. A series of MFI-type nanostructured materials with sonochemical approach and conventionalheating were synthesized and evaluated for conversion of methanol to propylene reaction. The prepared samples were tested by characterization analyses such as XRD, FESEM, BET-BJH, FTIR, TPD-NH3 and TG/DTG. The obtained results confirmed that ultrasound treatment enhanced the nucleation process and crystal growth for ZSM-5 sample synthesized at moderate temperature of 250 °C. Therefore, it was found the formation of pure MFI zeolite with high crystallinity and improved textural, structural and acidic properties for ZSM-5(UH-250) sample compared with the other zeolites. This observation was attributed to the relationship between the perfect crystallization mechanism and catalytic properties, which led to producing an efficient MFI zeolite toward the optimal catalytic performance. In this manner, the methanol conversion and products selectivity of prepared materials were carried out in MTP reaction at 460 °C and atmospheric pressure. The ZSM-5(UH-250) zeolite with slower deactivation regime exhibited the constant level of methanol conversion (84%) and high propylene selectivity (78%) after 2100 min time on stream. Moreover, the synthesis pathway for MFI zeolite at moderate temperature and also deactivation mechanism of improved sample were proposed.
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Affiliation(s)
- Parisa Sadeghpour
- Chemical Engineering Faculty, Sahand University of Technology, P.O.Box 51335-1996, Sahand New Town, Tabriz, Iran; Reactor and Catalysis Research Center (RCRC), Sahand University of Technology, P.O.Box 51335-1996, Sahand New Town, Tabriz, Iran
| | - Mohammad Haghighi
- Chemical Engineering Faculty, Sahand University of Technology, P.O.Box 51335-1996, Sahand New Town, Tabriz, Iran; Reactor and Catalysis Research Center (RCRC), Sahand University of Technology, P.O.Box 51335-1996, Sahand New Town, Tabriz, Iran.
| | - Alireza Ebrahimi
- Chemical Engineering Faculty, Sahand University of Technology, P.O.Box 51335-1996, Sahand New Town, Tabriz, Iran; Reactor and Catalysis Research Center (RCRC), Sahand University of Technology, P.O.Box 51335-1996, Sahand New Town, Tabriz, Iran
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