1
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Cai W, Luo Y, Xue J, Guo R, Huang Q. Effect of ultrasound assisted H 2O 2/Vc treatment on the hyperbranched Lignosus rhinocerotis polysaccharide: Structures, hydrophobic microdomains, and antitumor activity. Food Chem 2024; 450:139338. [PMID: 38631210 DOI: 10.1016/j.foodchem.2024.139338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 03/31/2024] [Accepted: 04/09/2024] [Indexed: 04/19/2024]
Abstract
The effect of ultrasonic intensity (28.14, 70.35, and 112.56 W/cm2) on Lignosus rhinocerotis polysaccharide (LRP) degraded by ultrasound assisted H2O2/Vc system (U-H/V) was investigated. U-H/V broke the molecular chain of LRP and improved the conformational flexibility, decreasing the molecular weight, intrinsic viscosity ([η]) and particle size. The functional groups and hyperbranched structure of LRP were almost stable after U-H/V treatment, however, the triple helix structure of LRP was partially disrupted. With increasing ultrasonic intensity, the critical aggregation concentration increased from 0.59 mg/mL to 1.57 mg/mL, and the hydrophobic microdomains reduced. Furthermore, the LRP treated with U-H/V significantly inhibited HepG2 cell proliferation by inducing apoptosis. The increase in antitumor activity of LRP was closely associated with the reduction of molecular weight, [η], particle size and hydrophobic microdomains. These results revealed that U-H/V treatment facilitates the degradation of LRP and provides a better insight into the structure-antitumor activity relationship of LRP.
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Affiliation(s)
- Wudan Cai
- College of Food Science and Technology, and MOE Key Laboratory of Environment Correlative Dietology, Huazhong Agricultural University, Wuhan 430070, China
| | - Yangchao Luo
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT 06269, United States of America
| | - Jingyi Xue
- Department of Nutritional Sciences, University of Connecticut, Storrs, CT 06269, United States of America
| | - Ruotong Guo
- College of Food Science and Technology, and MOE Key Laboratory of Environment Correlative Dietology, Huazhong Agricultural University, Wuhan 430070, China
| | - Qilin Huang
- College of Food Science and Technology, and MOE Key Laboratory of Environment Correlative Dietology, Huazhong Agricultural University, Wuhan 430070, China.
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2
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Ramli NA, Adam F, Ries ME, Ibrahim SF. DES-ultrasonication treatment of cellulose nanocrystals and the reinforcement in carrageenan biocomposite. Int J Biol Macromol 2024; 270:132385. [PMID: 38754668 DOI: 10.1016/j.ijbiomac.2024.132385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 04/09/2024] [Accepted: 05/13/2024] [Indexed: 05/18/2024]
Abstract
CNCs are intensively studied to reinforce biocomposites. However, it remains a challenge to homogeneously disperse the CNC in biocomposites for a smooth film surface. Mechanochemical treatment via ultrasonication in deep eutectic solvent (DES) generated a stable dispersion of CNC before incorporation into carrageenan biocomposite. Shifted peaks of choline chloride (ChCl) methylene groups to 3.95-3.98 ppm in 1H NMR indicated a formation of eutectic mixture between the hydrogen bond acceptor (HBA) and hydrogen bond donor (HBD) at the functional group of CH3···OH. The swelling of CNC in the DES was proven by the formation of intermolecular H-bond at a length of 2.46 Å. The use of DES contributed to a good dispersion of CNC in the solution which increased zeta potential by 43.2 % compared to CNC in deionized water. The ultrasonication amplitude and feed concentration were varied for the best parameters of a stable dispersion of CNC. The crystallinity of 1 wt% of CNC at 20 % sonication amplitude improved from 76 to 81 %. The high crystallinity of CNCDES resulted in an increase in film tensile and capsule loop strength of Carra-CNCDES by 20.7 and 19.4 %, respectively. Improved dispersion of CNCDES reduced the surface roughness of the biocomposite by 21.8 %. H-bond network in CNCDES improved the biocomposite properties for an ingenious reinforcement material.
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Affiliation(s)
- Nur Amalina Ramli
- Faculty of Chemical and Process Engineering Technology, Universiti Malaysia Pahang Al-Sultan Abdullah, 26300 Kuantan, Pahang, Malaysia
| | - Fatmawati Adam
- Faculty of Chemical and Process Engineering Technology, Universiti Malaysia Pahang Al-Sultan Abdullah, 26300 Kuantan, Pahang, Malaysia; Centre for Research in Advanced Fluid and Processes, Universiti Malaysia Pahang Al-Sultan Abdullah, 26300 Kuantan, Pahang, Malaysia.
| | - Michael E Ries
- School of Physics and Astronomy, University of Leeds, Leeds LS2 9JT, United Kingdom
| | - S Fatimah Ibrahim
- School of Chemical and Process Engineering, University of Leeds, Leeds LS2 9JT, United Kingdom
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3
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Zhu B, Ma C, You L. Degradation Mechanisms of Six Typical Glucosidic Bonds of Disaccharides Induced by Free Radicals. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:5439-5451. [PMID: 38412221 DOI: 10.1021/acs.jafc.3c09344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/29/2024]
Abstract
Increasing hydrogen peroxide (H2O2)-based systems have been developed to degrade various polysaccharides due to the presence of highly reactive free radicals, but published degradation mechanisms are still limited. Therefore, this study aimed to clarify the degradation mechanism of six typical glucosidic bonds from different disaccharides in an ultraviolet (UV)/H2O2 system. The results showed that the H2O2 concentration, disaccharide concentration, and radiation intensity were important factors affecting pseudo-first-order kinetic constants. Hydroxyl radical, superoxide radical, and UV alone contributed 58.37, 18.52, and 19.17% to degradation, respectively. The apparent degradation rates ranked in the order of cellobiose ≈ lactose > trehalose ≈ isomaltose > turanose > sucrose ≈ maltose. The reaction pathways were then deduced after identifying their degradation products. According to quantum chemical calculations, the cleavage of α-glycosidic bonds was more kinetically unfavorable than that of β-glycosidic bonds. Additionally, the order of apparent degradation rates depended on the energy barriers for the formation of disaccharide-based alkoxyl radicals. Moreover, energy barriers for homolytic scissions of glucosidic C1-O or C7-O sites of these alkoxyl radicals ranked in the sequence: α-(1 → 2) ≈ α-(1 → 3) < α-(1 → 4) < β-(1 → 4) < α-(1 → 6) < α-(1 → 1) glucosidic bonds. This study helps to explain the mechanisms of carbohydrate degradation by free radicals.
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Affiliation(s)
- Biyang Zhu
- School of Food Science and Engineering, South China University of Technology, Guangzhou, Guangdong 510640, China
| | - Cong Ma
- School of Food Science and Engineering, South China University of Technology, Guangzhou, Guangdong 510640, China
| | - Lijun You
- School of Food Science and Engineering, South China University of Technology, Guangzhou, Guangdong 510640, China
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4
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Zhu Q, Yu Y, Hu H, Wang L, Mi X. Regulating the hydroxyl groups reactivity of cellulose by grafting the quaternary ammonium group to achieve a salt-free and low alkali dyeing process for reactive dye. Int J Biol Macromol 2024; 258:129057. [PMID: 38161013 DOI: 10.1016/j.ijbiomac.2023.129057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Revised: 12/17/2023] [Accepted: 12/24/2023] [Indexed: 01/03/2024]
Abstract
In this work, a salt-free and low alkali dyeing process was developed through cationic modification of cotton fabric with a series of quaternary ammonium salts (QAS). The dyeing performance indicated that the cationic cotton fabric treated with 3-chloro-2-hydroxypropyldimethyloctane ammonium chloride (CT-8) achieved better K/S value (8.87) and dye fixation (90.47 %) compared to the conventional dyeing process. Notably, the CT-8 treated fabric performed exceptionally under salt-free conditions and with a Na2CO3 concentration of 5 g/L. The rationale behind the adoption of a salt-free and low-alkali dyeing process was attributed to the positive charge of quaternary ammonium groups, which had an augmenting impact on the hydroxyl reaction activity of cotton fabrics. The condensed Fukui function, atomic charge, and HOMO orbital calculations showed that the QAS structure could regulate the hydroxyl reactivity of cationic cotton fabric. Our salt-free and low alkali dyeing process not only achieved the aim of reducing chemical consumption and emissions, but also contributed to better understand the effect of hydroxyl reactivity of cationic cotton on the fixation reaction with reactive dye, and provided a new direction to achieve the require of sustainable development and clean production for a variety of industrial crops and products.
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Affiliation(s)
- Qiuyu Zhu
- Engineering Research Center for Eco-Dyeing and Finishing of Textiles, Zhejiang Sci-Tech University, Hangzhou 310018, Zhejiang, China
| | - Youping Yu
- Transfar Zhilian Co., Ltd., Hangzhou 311215, Zhejiang, China
| | - Hanchang Hu
- State Key Laboratory of Silicon Materials & School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Lei Wang
- Engineering Research Center for Eco-Dyeing and Finishing of Textiles, Zhejiang Sci-Tech University, Hangzhou 310018, Zhejiang, China.
| | - Xiang Mi
- Fujian Key Laboratory of Novel Functional Textile Fibers and Materials, Clothing and Design Faculty, Minjiang University, Fuzhou 350108, China.
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5
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Nie SQ, Chen MQ, Li QH. Evaluation on hydrothermal gasification of styrene-butadiene rubber with oxidants via ReaxFF-MD simulation. WASTE MANAGEMENT (NEW YORK, N.Y.) 2023; 171:195-206. [PMID: 37660632 DOI: 10.1016/j.wasman.2023.08.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 07/28/2023] [Accepted: 08/22/2023] [Indexed: 09/05/2023]
Abstract
Styrene-butadiene rubber (SBR) is widely used in tires, which brings great challenge to the disposal and reclaiming of the used tires. The ring-opening reaction pathways of benzene rings in hydrothermal gasification of styrene-butadiene rubber were revealed based on reactive force field molecular dynamics (ReaxFF-MD) simulation. H-abstraction reaction that OH radicals capture H atom from the vinyl group of styrene was critical to the degrading of the styrene monomers. The energy barrier of H2O2 converted to OH radicals was lower than that of O2 and pure water converted to OH radicals. The oxidants that can urge OH radical formed in reaction were beneficial to SBR degradation, which could be assigned to confirm that SBR degradation with H2O2 was better than that with oxygen at the same concentration. The addition of oxidant could be helpful for decreasing the degradation temperature of styrene monomers. At oxidant equivalent ratio (ER) of 0.1, H2 yield at 2500 K lifted after 135 ps and increased by 75% at 500 ps compared with that without oxidants. According to the chemical equilibrium analysis, the optimal ER for H2 was 0.4 between 350 and 600 °C (real temperatures). The results could provide theoretic support and experiment guidance for adding oxidants in reclaiming waste rubber products.
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Affiliation(s)
- S Q Nie
- Institute of Thermal Engineering, School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University, Beijing 100044, China; Beijing Key Laboratory of Flow and Heat Transfer of Phase Changing in Micro and Small Scale, Beijing 100044, China.
| | - M Q Chen
- Institute of Thermal Engineering, School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University, Beijing 100044, China; Beijing Key Laboratory of Flow and Heat Transfer of Phase Changing in Micro and Small Scale, Beijing 100044, China.
| | - Q H Li
- Key Laboratory for Thermal Science and Power Engineering of Ministry of Education, Department of Energy and Power Engineering, Tsinghua University, Beijing 100084, China.
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6
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How formaldehyde affects the thermo-oxidative and photo-oxidative mechanism of polypropylene: A DFT/TD-DFT study. Polym Degrad Stab 2022. [DOI: 10.1016/j.polymdegradstab.2022.110131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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7
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Lamine W, Guégan F, Jérôme F, Frapper G. Theoretical exploration of the reactivity of cellulose models under non-thermal plasma conditions-mechanistic and NBO studies. J Comput Chem 2022; 43:1334-1341. [PMID: 35670154 PMCID: PMC9327522 DOI: 10.1002/jcc.26934] [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: 01/06/2022] [Revised: 04/25/2022] [Accepted: 05/06/2022] [Indexed: 12/04/2022]
Abstract
Mechanistic details of cellulose depolymerization by non‐thermal (atmospheric) plasma (NTAP) remains under‐explored given the complexity of the medium. In this study, we have investigated the reaction mechanism of glycosidic‐bond degradation triggered by reaction with hydroxyl radicals, considered as the principal reactive species in NTAP medium. In the first step of reaction sequence, H‐abstraction reactions by HO‧. radical on different C—H sites of the pyranose ring were found to be non‐selective and markedly exergonic giving rise to a set of cellobiosyl carboradicals likely to undergo further reactions. We then showed that cellobiosyl carboradicals are protected against direct hydrolysis, no activation of the (1–4)‐ β‐glycosidic bond being characterized. Interestingly, a simple homolytic bond cleavage allowed to obtain desired monomer. Among the 18 possible fragmentations, involving C—C and C—O bond breaking from cellobiosyl carboradicals, 14 transition states were successfully identified, and only three reaction pathways proved kinetically and thermodynamically feasible. Natural bond orbital (NBO) analysis was performed to shed light on electronic structures of different compounds.
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Affiliation(s)
- Walid Lamine
- IC2MP UMR 7285, Université de Poitiers - CNRS, Poitiers.,Université de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, UMR 5254, Pau cedex 09, France
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8
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Vatanpour V, Yavuzturk Gul B, Zeytuncu B, Korkut S, İlyasoğlu G, Turken T, Badawi M, Koyuncu I, Saeb MR. Polysaccharides in fabrication of membranes: A review. Carbohydr Polym 2022; 281:119041. [DOI: 10.1016/j.carbpol.2021.119041] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 12/07/2021] [Accepted: 12/21/2021] [Indexed: 12/14/2022]
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9
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Relleve LS, Lopez GEP, Cruz RMMD, Abad LV. High radiation dose studies of kappa-carrageenan in dilute aqueous solution. Radiat Phys Chem Oxf Engl 1993 2022. [DOI: 10.1016/j.radphyschem.2022.110165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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10
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Zeraati M, Mohammadi A, Vafaei S, Chauhan NPS, Sargazi G. Taguchi-Assisted Optimization Technique and Density Functional Theory for Green Synthesis of a Novel Cu-MOF Derived From Caffeic Acid and Its Anticancerious Activities. Front Chem 2021; 9:722990. [PMID: 34900931 PMCID: PMC8660856 DOI: 10.3389/fchem.2021.722990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2021] [Accepted: 10/21/2021] [Indexed: 12/02/2022] Open
Abstract
In this paper, we have reported an innovative greener method for developing copper-metal organic frameworks (Cu-MOFs) using caffeic acid (CA) as a linker extracted from Satureja hortensis using ultrasonic bath. The density functional theory is used to discuss the Cu-MOF-binding reaction mechanism. In order to achieve a discrepancy between the energy levels of the interactive precursor orbitals, the molecules have been optimized using the B3LYP/6-31G method. The Taguchi method was used to optimize the key parameters for the synthesis of Cu-MOF. FT-IR, XRD, nitrogen adsorption, and SEM analyses are used to characterize it. The adsorption/desorption and SEM analyses suggested that Cu-MOF has a larger surface area of 284.94 m2/g with high porosity. Cu-MOF has shown anticancer activities against the human breast cancer (MDA-MB-468) cell lines, and it could be a potent candidate for clinical applications.
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Affiliation(s)
- Malihe Zeraati
- Department of Materials Engineering, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Ali Mohammadi
- Department of Genetics, Islamic Azad University of Marand, Marand, Iran
| | - Somayeh Vafaei
- Department of Stem Cells and Developmental Biology, ACECR, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, Tehran, Iran
| | | | - Ghasem Sargazi
- Noncommunicable Diseases Research Center, Bam University of Medical Sciences, Bam, Iran
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11
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Perkins AK, Rose AL, Grossart HP, Rojas-Jimenez K, Barroso Prescott SK, Oakes JM. Oxic and Anoxic Organic Polymer Degradation Potential of Endophytic Fungi From the Marine Macroalga, Ecklonia radiata. Front Microbiol 2021; 12:726138. [PMID: 34733248 PMCID: PMC8558676 DOI: 10.3389/fmicb.2021.726138] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 08/31/2021] [Indexed: 11/13/2022] Open
Abstract
Cellulose and chitin are the most abundant polymeric, organic carbon source globally. Thus, microbes degrading these polymers significantly influence global carbon cycling and greenhouse gas production. Fungi are recognized as important for cellulose decomposition in terrestrial environments, but are far less studied in marine environments, where bacterial organic matter degradation pathways tend to receive more attention. In this study, we investigated the potential of fungi to degrade kelp detritus, which is a major source of cellulose in marine systems. Given that kelp detritus can be transported considerable distances in the marine environment, we were specifically interested in the capability of endophytic fungi, which are transported with detritus, to ultimately contribute to kelp detritus degradation. We isolated 10 species and two strains of endophytic fungi from the kelp Ecklonia radiata. We then used a dye decolorization assay to assess their ability to degrade organic polymers (lignin, cellulose, and hemicellulose) under both oxic and anoxic conditions and compared their degradation ability with common terrestrial fungi. Under oxic conditions, there was evidence that Ascomycota isolates produced cellulose-degrading extracellular enzymes (associated with manganese peroxidase and sulfur-containing lignin peroxidase), while Mucoromycota isolates appeared to produce both lignin and cellulose-degrading extracellular enzymes, and all Basidiomycota isolates produced lignin-degrading enzymes (associated with laccase and lignin peroxidase). Under anoxic conditions, only three kelp endophytes degraded cellulose. We concluded that kelp fungal endophytes can contribute to cellulose degradation in both oxic and anoxic environments. Thus, endophytic kelp fungi may play a significant role in marine carbon cycling via polymeric organic matter degradation.
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Affiliation(s)
- Anita K. Perkins
- Centre for Coastal Biogeochemistry, Faculty of Science and Engineering, Southern Cross University, Lismore, NSW, Australia
- Southern Cross Geoscience, Faculty of Science and Engineering, Southern Cross University, Lismore, NSW, Australia
| | - Andrew L. Rose
- Centre for Coastal Biogeochemistry, Faculty of Science and Engineering, Southern Cross University, Lismore, NSW, Australia
- Southern Cross Geoscience, Faculty of Science and Engineering, Southern Cross University, Lismore, NSW, Australia
| | - Hans-Peter Grossart
- Leibniz Institute for Freshwater Ecology and Inland Fisheries (IGB), Experimental Limnology, Berlin, Germany
- Institute of Biochemistry and Biology, University of Potsdam, Potsdam, Germany
| | | | - Selva K. Barroso Prescott
- National Marine Science Centre, Faculty of Science and Engineering, Southern Cross University, Coffs Harbour, NSW, Australia
| | - Joanne M. Oakes
- Centre for Coastal Biogeochemistry, Faculty of Science and Engineering, Southern Cross University, Lismore, NSW, Australia
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12
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Wen Y, Xie Y, Jiang C, Li W, Hou Y. Products distribution and interaction mechanism during co-pyrolysis of rice husk and oily sludge by experiments and reaction force field simulation. BIORESOURCE TECHNOLOGY 2021; 329:124822. [PMID: 33631453 DOI: 10.1016/j.biortech.2021.124822] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 02/01/2021] [Accepted: 02/02/2021] [Indexed: 06/12/2023]
Abstract
In this work, the co-pyrolysis behavior of rice husk (RH) and oily sludge (OS) was investigated by combining experiments and simulation. The thermogravimetric-derivative thermogravimetric (TG-DTG) and Reaction force field (ReaxFF MD) results indicate that synergetic effects exist in co-pyrolysis. Compared with the single component pyrolysis, the activation energy of RH and OS in co-pyrolysis was decreased by 15.97% and 17.14% shown by kinetic analysis, respectively. The Pyrolysis-gas chromatography/mass spectrometry (PY-GC/MS) experiments, and simulation products analysis reveal that more bio-oil and molecules with low molecular weight were produced during the co-pyrolysis process. The synergetic effect mechanism was studied by detecting the variation of free radical intermediates. The results show that hydroxyl radicals from RH pyrolysis reduced cracking temperature of OS, and the hydrogen radicals from OS pyrolysis increased the degree of ring-splitting of RH. The study explores an approach to identify the synergetic effect and reveal the mechanism of co-pyrolysis.
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Affiliation(s)
- Yanjun Wen
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, Shandong, China
| | - Yingshen Xie
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, Shandong, China
| | - Chi Jiang
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, Shandong, China
| | - Wenxuan Li
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, Shandong, China
| | - Yingfei Hou
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, Shandong, China.
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13
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Ge X, Ma F, Zhang B. Effect of intense pulsed light on
Lactobacillus bulgaricus
exopolysaccharide yield, chemical structure and antioxidant activity. Int J Food Sci Technol 2021. [DOI: 10.1111/ijfs.14730] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Xinyu Ge
- College of Food Science Shenyang Agricultural University Shenyang110866China
| | - Fengming Ma
- College of Food Science Shenyang Agricultural University Shenyang110866China
| | - Baiqing Zhang
- College of Food Science Shenyang Agricultural University Shenyang110866China
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14
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Shao C, Shao Q, Wang X, Ling J, Guo X, Ning Y, Dai Y, Jia S, Qiao Y, Li C, Zhao K. Supplementary data for the mechanism research for depolymerization of cellulose induced by hydroxyl radical using GC-MS, reaction kinetics simulation and quantum chemistry computation. Data Brief 2020; 29:105329. [PMID: 32190720 PMCID: PMC7068048 DOI: 10.1016/j.dib.2020.105329] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 02/15/2020] [Accepted: 02/17/2020] [Indexed: 11/29/2022] Open
Abstract
This data article contains the chemical structure of cellobiose, which was chosen as the model molecule of cellulose. A brief diagram of the reaction system established by Packmol containing celluloses, hydroxyl radicals and water for ReaxFF kinetic simulation as well as the energy change curve obtained during the optimization process were provided. The total ion current (TIC) and product species of the reaction of cellobiose with Fenton's regent given by GC-MS were displayed, respectively. A brief diagram of the OH-abstraction of cellobiose triggered by hydrated hydrogen radical was shown. Additionally, chemical structures of all transition states in pathways 1–4 of the reaction of cellobiose with •OH carried out by means of quantum calculation using Gaussian 09 are shown. Some key frames in reaction pathway 1 obtained by ReaxFF simulation and the thermodynamic parameters for reaction pathways 1–4 were also listed successively. Interpretation of this data can be found in a research article titled “Study on Cellulose Degradation Induced by Hydroxyl Radical with Cellobiose as a Model Using GC-MS, ReaxFF Simulation and DFT Computation” (Shao et al., 2020) [1].
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Affiliation(s)
- Chunfu Shao
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology, No.29 of 13th Street, TEDA, Tianjin, 300457, PR China.,Tasly Academy, Tasly Group, Tianjin, 300410, PR China
| | - Qiang Shao
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology, No.29 of 13th Street, TEDA, Tianjin, 300457, PR China
| | - Xiaoyi Wang
- Tasly Academy, Tasly Group, Tianjin, 300410, PR China
| | - Jun Ling
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology, No.29 of 13th Street, TEDA, Tianjin, 300457, PR China
| | - Xiao Guo
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology, No.29 of 13th Street, TEDA, Tianjin, 300457, PR China
| | - Yulin Ning
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology, No.29 of 13th Street, TEDA, Tianjin, 300457, PR China
| | - Yujie Dai
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology, No.29 of 13th Street, TEDA, Tianjin, 300457, PR China
| | - Shiru Jia
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology, No.29 of 13th Street, TEDA, Tianjin, 300457, PR China
| | - Yuanyuan Qiao
- College of Chemistry, Nankai University, Tianjin, 300071, PR China
| | - Changwen Li
- Tasly Academy, Tasly Group, Tianjin, 300410, PR China
| | - Kai Zhao
- Hebei Kingsci Pharmaceutical Technology Co., Ltd, Shijiazhuang 050035, Hebei Province, PR China
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