1
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Pan T, Wang X, Zhu J, Wang H. Preparation of bright yellow color sodium alginate solution. Carbohydr Polym 2024; 337:122169. [PMID: 38710560 DOI: 10.1016/j.carbpol.2024.122169] [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: 12/28/2023] [Revised: 04/06/2024] [Accepted: 04/14/2024] [Indexed: 05/08/2024]
Abstract
Sodium alginate (SA) is a marine polysaccharide biomass material that is environmentally friendly and exhibits color-changing properties under certain conditions. In this study, we have discovered sodium alginate solution to be chromogenic under four conditions, namely alkali-chromogenic, thermo-chromogenic, force-chromogenic and photo-chromogenic. Under simple strong alkaline conditions, sodium alginate forms clusters of blue light-absorbing chromogenic aggregates, which exhibit a bright yellow color at a certain size. Under different temperature conditions, SA shows varying shades of yellow, and the color tends to stabilize after 48 h of resting. The aggregates can be dispersed by stirring, which changes SA from yellow to colorless. The yellow color can then be recovered after resting. Additionally, exposure to sunlight can cause the yellow SA to fade, but the color can be restored by reheating. Therefore, the force-chromogenic and photo-chromogenic properties are reversible. This makes it a promising material for use in color-developing and indicating materials. It is expected to become a sodium alginate cluster pigment with broad application prospects in the future.
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Affiliation(s)
- Tongtong Pan
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
| | - Xiao Wang
- Key Laboratory of Marine Environmental Corrosion and Bio-fouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Jiaxin Zhu
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
| | - Haizeng Wang
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China.
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2
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Jiang J, Wang Y, Jiang Z, Yan Q, Yang S. High-level production of a novel alginate lyase (FsAly7) from Flammeovirga sp. for efficient production of low viscosity soluble dietary fiber from sodium alginate. Carbohydr Polym 2024; 326:121605. [PMID: 38142093 DOI: 10.1016/j.carbpol.2023.121605] [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: 09/07/2023] [Revised: 11/12/2023] [Accepted: 11/14/2023] [Indexed: 12/25/2023]
Abstract
Sodium alginate is one of the most abundant sustainable gum source for dietary fiber production. However, the preparation efficiencies of low viscosity soluble dietary fiber from sodium alginate remain low. Here, a novel alginate lyase gene (FsAly7) from Flammeovirga sp. was identified and high-level expressed in Pichia pastoris for low viscosity soluble dietary fiber production. The highest enzyme production of 3050 U mL-1 was achieved, which is by far the highest yield ever reported. FsAly7 was used for low viscosity soluble dietary fiber production from sodium alginate, and the highest degradation rate of 85.5 % was achieved under a high substrate content of 20 % (w/v). The molecular weight of obtained soluble dietary fiber converged to 10.75 kDa. FsAly7 catalyzed the cleavage of glycosidic bonds in alginate chains with formation of unsaturated non-reducing ends simultaneously in the degradation process, thus altered the chemical structures of hydrolysates. The soluble dietary fiber exhibited excellent properties, including low viscosity, high oil adsorption capacity activity (2.20 ± 0.03 g g-1) and high emulsifying activity (60.05 ± 2.96 mL/100 mL). This investigation may provide a novel alginate lyase catalyst as well as a solution for the efficient production of low viscosity soluble dietary fiber from sodium alginate.
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Affiliation(s)
- Jun Jiang
- College of Food Science and Nutritional Engineering, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Yue Wang
- College of Food Science and Nutritional Engineering, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Zhengqiang Jiang
- College of Food Science and Nutritional Engineering, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Qiaojuan Yan
- Key Laboratory of Food Bioengineering (China National Light Industry), College of Engineering, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Shaoqing Yang
- College of Food Science and Nutritional Engineering, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing 100083, China.
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3
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MubarakAli D, Lee M, Manzoor MA, Lee SY, Kim JW. Production of Oligoalginate via Solution Plasma Process and Its Capability of Biological Growth Enhancement. Appl Biochem Biotechnol 2021; 193:4097-4112. [PMID: 34449041 DOI: 10.1007/s12010-021-03640-7] [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: 06/13/2021] [Accepted: 08/10/2021] [Indexed: 11/25/2022]
Abstract
The objective of the study was to depolymerize alginate into short-length oligoalginates, adopting the simple solution plasma process (SPP) technique, for successful use in free radical scavenging and growth promotion in cell culture and agricultural practices. Alginate at various concentrations was depolymerized to oligoalginates using SPP by discharging for various times. The depolymerization into oligoalginates was proved by DNS, TLC, FT-IR, and HPAEC analyses and caused decrease in viscosity. Oligoalginates derived from 0.5% alginate (100 mg∙mL-1) showed the highest antioxidant activities in vitro. The oligoalginates enhanced growth of the human embryonic kidney (HEK293) cells to significant levels in a concentration-dependent manner without any extent of toxicity. The oligoalginates also promoted growth of lettuce. Thus, SPP is a powerful technique to break down alginate into oligoalginates that can be utilized as a free radical scavenger and as a growth promoter of animal cells and agricultural plants.
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Affiliation(s)
- Davoodbasha MubarakAli
- School of Life Sciences, B.S.Abdur Rahman Crescent Institute of Science and Technology, Chennai, India
- Division of Bioengineering, Incheon National University, Incheon, Republic of Korea
- Center for Surface Technology and Applications (CeSTA), Department of Material Engineering, Korea Aerospace University, Goyang, Republic of Korea
| | - Minho Lee
- Division of Bioengineering, Incheon National University, Incheon, Republic of Korea
| | | | - Sang-Yul Lee
- Center for Surface Technology and Applications (CeSTA), Department of Material Engineering, Korea Aerospace University, Goyang, Republic of Korea.
| | - Jung-Wan Kim
- Division of Bioengineering, Incheon National University, Incheon, Republic of Korea.
- Center for Surface Technology and Applications (CeSTA), Department of Material Engineering, Korea Aerospace University, Goyang, Republic of Korea.
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4
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Król-Kilińska Ż, Kulig D, Yelkin I, Zimoch-Korzycka A, Bobak Ł, Jarmoluk A. The Effect of Using Micro-Clustered Water as a Polymer Medium. Int J Mol Sci 2021; 22:ijms22094730. [PMID: 33946988 PMCID: PMC8124833 DOI: 10.3390/ijms22094730] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 04/26/2021] [Accepted: 04/27/2021] [Indexed: 11/16/2022] Open
Abstract
The aim of the study was to investigate the changes within the physicochemical properties of gelatin, carrageenan, and sodium alginate hydrosols prepared on the basis of micro-clustered (MC) water. The rheological parameters, contact angle and antioxidant activity of hydrosols were investigated. Moreover, the pH, oxidation–reduction potential (ORP) and electrical conductivity (EC) were measured. The hydrosols with MC water were characterized by a lower pH, decreased viscosity, a lower contact angle, and only slightly lower antioxidant activity than control samples. The results showed that hydrosol’s properties are significantly changed by MC water, which can lead to enhancement of its applicability but requires further investigation.
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Affiliation(s)
- Żaneta Król-Kilińska
- Department of Functional Food Products Development, The Faculty of Biotechnology and Food Science, Wroclaw University of Environmental and Life Sciences, Chelmonskiego 37/41, 51-630 Wroclaw, Poland; (D.K.); (A.Z.-K.); (Ł.B.); (A.J.)
- Correspondence:
| | - Dominika Kulig
- Department of Functional Food Products Development, The Faculty of Biotechnology and Food Science, Wroclaw University of Environmental and Life Sciences, Chelmonskiego 37/41, 51-630 Wroclaw, Poland; (D.K.); (A.Z.-K.); (Ł.B.); (A.J.)
| | - Ihar Yelkin
- Plasma Investment Ltd., Research and Development Department, Dunska 13, Wroclaw Technological Park, 54-427 Wroclaw, Poland;
| | - Anna Zimoch-Korzycka
- Department of Functional Food Products Development, The Faculty of Biotechnology and Food Science, Wroclaw University of Environmental and Life Sciences, Chelmonskiego 37/41, 51-630 Wroclaw, Poland; (D.K.); (A.Z.-K.); (Ł.B.); (A.J.)
| | - Łukasz Bobak
- Department of Functional Food Products Development, The Faculty of Biotechnology and Food Science, Wroclaw University of Environmental and Life Sciences, Chelmonskiego 37/41, 51-630 Wroclaw, Poland; (D.K.); (A.Z.-K.); (Ł.B.); (A.J.)
| | - Andrzej Jarmoluk
- Department of Functional Food Products Development, The Faculty of Biotechnology and Food Science, Wroclaw University of Environmental and Life Sciences, Chelmonskiego 37/41, 51-630 Wroclaw, Poland; (D.K.); (A.Z.-K.); (Ł.B.); (A.J.)
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5
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Chokradjaroen C, Niu J, Panomsuwan G, Saito N. Insight on Solution Plasma in Aqueous Solution and Their Application in Modification of Chitin and Chitosan. Int J Mol Sci 2021; 22:4308. [PMID: 33919182 PMCID: PMC8122608 DOI: 10.3390/ijms22094308] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 04/17/2021] [Accepted: 04/17/2021] [Indexed: 01/09/2023] Open
Abstract
Sustainability and environmental concerns have persuaded researchers to explore renewable materials, such as nature-derived polysaccharides, and add value by changing chemical structures with the aim to possess specific properties, like biological properties. Meanwhile, finding methods and strategies that can lower hazardous chemicals, simplify production steps, reduce time consumption, and acquire high-purified products is an important task that requires attention. To break through these issues, electrical discharging in aqueous solutions at atmospheric pressure and room temperature, referred to as the "solution plasma process", has been introduced as a novel process for modification of nature-derived polysaccharides like chitin and chitosan. This review reveals insight into the electrical discharge in aqueous solutions and scientific progress on their application in a modification of chitin and chitosan, including degradation and deacetylation. The influencing parameters in the plasma process are intensively explained in order to provide a guideline for the modification of not only chitin and chitosan but also other nature-derived polysaccharides, aiming to address economic aspects and environmental concerns.
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Affiliation(s)
- Chayanaphat Chokradjaroen
- Department of Chemical Systems Engineering, Graduate School of Engineering, Nagoya University, Nagoya 464-8603, Japan; (C.C.); (J.N.)
| | - Jiangqi Niu
- Department of Chemical Systems Engineering, Graduate School of Engineering, Nagoya University, Nagoya 464-8603, Japan; (C.C.); (J.N.)
| | - Gasidit Panomsuwan
- Department of Materials Engineering, Faculty of Engineering, Kasetsart University, Bangkok 10900, Thailand;
| | - Nagahiro Saito
- Department of Chemical Systems Engineering, Graduate School of Engineering, Nagoya University, Nagoya 464-8603, Japan; (C.C.); (J.N.)
- Conjoint Research Laboratory in Nagoya University, Shinshu University, Nagoya 464-8603, Japan
- Open Innovation Platform with Enterprises, Research Institute and Academia (OPERA), Japan Science and Technology Corporation (JST), Nagoya 464-8603, Japan
- Strategic International Collaborative Research Program (SICORP), Japan Science and Technology Corporation (JST), Nagoya 464-8603, Japan
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6
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Nilsen‐Nygaard J, Fernández EN, Radusin T, Rotabakk BT, Sarfraz J, Sharmin N, Sivertsvik M, Sone I, Pettersen MK. Current status of biobased and biodegradable food packaging materials: Impact on food quality and effect of innovative processing technologies. Compr Rev Food Sci Food Saf 2021; 20:1333-1380. [DOI: 10.1111/1541-4337.12715] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 12/17/2020] [Accepted: 01/04/2021] [Indexed: 12/15/2022]
Affiliation(s)
- Julie Nilsen‐Nygaard
- Food Division Norwegian Institute of Food, Fisheries and Aquaculture (Nofima AS) Tromsø Norway
| | | | - Tanja Radusin
- Food Division Norwegian Institute of Food, Fisheries and Aquaculture (Nofima AS) Tromsø Norway
| | - Bjørn Tore Rotabakk
- Food Division Norwegian Institute of Food, Fisheries and Aquaculture (Nofima AS) Tromsø Norway
| | - Jawad Sarfraz
- Food Division Norwegian Institute of Food, Fisheries and Aquaculture (Nofima AS) Tromsø Norway
| | - Nusrat Sharmin
- Food Division Norwegian Institute of Food, Fisheries and Aquaculture (Nofima AS) Tromsø Norway
| | - Morten Sivertsvik
- Food Division Norwegian Institute of Food, Fisheries and Aquaculture (Nofima AS) Tromsø Norway
| | - Izumi Sone
- Food Division Norwegian Institute of Food, Fisheries and Aquaculture (Nofima AS) Tromsø Norway
| | - Marit Kvalvåg Pettersen
- Food Division Norwegian Institute of Food, Fisheries and Aquaculture (Nofima AS) Tromsø Norway
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7
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Yue W, Zhang HH, Yang ZN, Xie Y. Preparation of low-molecular-weight sodium alginate by ozonation. Carbohydr Polym 2021; 251:117104. [PMID: 33142642 DOI: 10.1016/j.carbpol.2020.117104] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 08/31/2020] [Accepted: 09/12/2020] [Indexed: 01/31/2023]
Abstract
Low-molecular-weight sodium alginate (LMWSA) has been reported to possess unique physicochemical properties and bioactivities. There is little information available about degradation of sodium alginate by ozonation. Effect of ozonation on molecular weight, molecular weight distribution, color change, M/G ratio, and chemical structure of sodium alginate was investigated. The molecular weight of sodium alginate decreased from 972.3 to 76.7 kDa in the 80-min period of ozonation at 25 °C. Two different degradation-rate constants were calculated. Molecular weight distribution of the LMWSA changed appreciably. Ozonation cannot lead to color change of LMWSA. The M/G ratio of LMWSA was not altered significantly, compared with that of the original alginate. The FT-IR and 13C NMR spectra indicated the chemical structure of LMWSA obtained by ozonation was not altered appreciably. New insight into the ozonation of alginate will be promisingly opened up. Ozonation of sodium alginate can be a alternative for production of LMWSA.
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Affiliation(s)
- Wu Yue
- College of Chemical Engineering and Safety, Binzhou University, Binzhou, Shandong, 256603, People's Republic of China.
| | - Hong H Zhang
- College of Chemical Engineering and Safety, Binzhou University, Binzhou, Shandong, 256603, People's Republic of China
| | - Zhong N Yang
- College of Chemical Engineering and Safety, Binzhou University, Binzhou, Shandong, 256603, People's Republic of China
| | - Yan Xie
- College of Chemical Engineering and Safety, Binzhou University, Binzhou, Shandong, 256603, People's Republic of China
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8
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Yamashita C, Freitas Moraes IC, Ferreira AG, Zanini Branco CC, Branco IG. Multi-response optimization of alginate bleaching technology extracted from brown seaweeds by an eco-friendly agent. Carbohydr Polym 2021; 251:116992. [PMID: 33142563 DOI: 10.1016/j.carbpol.2020.116992] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 08/21/2020] [Accepted: 08/23/2020] [Indexed: 01/12/2023]
Abstract
Alginate only finds industrial applicability after undergoing a bleaching process to improve its visual appearance. Box-Behnken Design was used to optimize bleaching parameters (time, oxygen flow and temperature) for sodium alginate (SA) extracted from seaweeds using ozone as the bleaching agent. The optimal conditions (oxygen flow 2 L/min for 35 min at 25 °C) resulted in an ozone-bleached SA with a mannuronic/guluronic acids ratio of 0.70, viscosity-average molecular weight of 66.30 kDa and dynamic viscosity of 1.39 mPa.s, aligned to strong and brittle gels formation, which are potentially suitable for hydrogels and bioink application. Results indicated that ozonation caused depolymerization of the SA chain. Colorimetric parameters showed that ozone has a great bleaching efficacy. The bleached sample presented high antioxidant capacity, highlighting that discoloration by ozone might have minimal effects on the bioactive compounds which are valuable ingredients for food-based products.
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Affiliation(s)
- Camila Yamashita
- São Paulo State University (UNESP), Biological Sciences Department, 19806-900 Assis, São Paulo, Brazil.
| | | | - Antonio Gilberto Ferreira
- Federal University of Sao Carlos (UFSCAR), Chemistry Department, 13565-905, São Carlos, São Paulo, Brazil
| | - Ciro Cesar Zanini Branco
- São Paulo State University (UNESP), Biological Sciences Department, 19806-900 Assis, São Paulo, Brazil
| | - Ivanise Guilherme Branco
- São Paulo State University (UNESP), Biological Sciences Department, 19806-900 Assis, São Paulo, Brazil
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9
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Dodero A, Vicini S, Castellano M. Depolymerization of sodium alginate in saline solutions via ultrasonic treatments: A rheological characterization. Food Hydrocoll 2020. [DOI: 10.1016/j.foodhyd.2020.106128] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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10
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Zhang C, Wang W, Zhao X, Wang H, Yin H. Preparation of alginate oligosaccharides and their biological activities in plants: A review. Carbohydr Res 2020; 494:108056. [PMID: 32559511 DOI: 10.1016/j.carres.2020.108056] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 05/31/2020] [Accepted: 05/31/2020] [Indexed: 12/11/2022]
Abstract
Alginate oligosaccharide (AOS) is the degradation product of alginates extracted from brown algae. As a multifunctional oligomer, it has attracted widespread attention in plant research. Different methods of preparation generate AOS possessing diverse structural properties, and result in differences in AOS activity. In this review, the methods of preparation and characterization of AOS are briefly summarized, followed by a systematic introduction to the activity and mechanisms of AOS in plants. AOS can act as a growth promoter at different growth stages of plants. AOS also enhances resistance to pathogens, drought, salt, heavy metals and other stressors by triggering plant immunity, exerting bioactivity just like a pathogen-associated molecular pattern. In addition, AOS can regulate ABA biosynthesis and metabolite to preserve fruit quality and enhance shelf life. This review provides a comprehensive summary of the biological activity of AOS in plants, which will support research and the application of AOS treatments for plants in the future.
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Affiliation(s)
- Chunguang Zhang
- School of Biological Engineering, Dalian Polytechnic University, Dalian, 116034, China; Dalian Engineering Research Center for Carbohydrate Agricultural Preparations, Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Wenxia Wang
- Dalian Engineering Research Center for Carbohydrate Agricultural Preparations, Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Xiaoming Zhao
- Dalian Engineering Research Center for Carbohydrate Agricultural Preparations, Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Hongying Wang
- School of Biological Engineering, Dalian Polytechnic University, Dalian, 116034, China.
| | - Heng Yin
- Dalian Engineering Research Center for Carbohydrate Agricultural Preparations, Liaoning Provincial Key Laboratory of Carbohydrates, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.
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11
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Effect of electrical discharge plasma on cytotoxicity against cancer cells of N,O-carboxymethyl chitosan-stabilized gold nanoparticles. Carbohydr Polym 2020; 237:116162. [PMID: 32241415 DOI: 10.1016/j.carbpol.2020.116162] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 03/04/2020] [Accepted: 03/11/2020] [Indexed: 02/07/2023]
Abstract
Electrical discharge plasma in a liquid phase can generate reactive species, e.g. hydroxyl radical, leading to rapid reactions including degradation of biopolymers. In this study, the effect of plasma treatment time on physical properties and cytotoxicity against cancer cells of N,O-carboxymethyl chitosan-stabilized gold nanoparticles (CMC-AuNPs) was investigated. AuNPs were synthesized by chemical reduction of HAuCl4 in 2 % CMC solution to obtain CMC-AuNPs, before being subjected to the plasma treatment. Results showed that the plasma treatment not only led to the reduction of hydrodynamic diameters of CMC-AuNPs from 400 nm to less than 100 nm by the plasma-induced degradation of CMC but also provided the narrow size distribution of AuNPs having diameters in the range of 2-50 nm, that were existing in CMC-AuNPs. In addition, the plasma-treated CMC-AuNPs could significantly reduce the percentage of cell viability of breast cancer cells by approximately 80 % compared to the original CMC and CMC-AuNPs.
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12
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Rujiravanit R, Kantakanun M, Chokradjaroen C, Vanichvattanadecha C, Saito N. Simultaneous deacetylation and degradation of chitin hydrogel by electrical discharge plasma using low sodium hydroxide concentrations. Carbohydr Polym 2019; 228:115377. [PMID: 31635748 DOI: 10.1016/j.carbpol.2019.115377] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Revised: 08/27/2019] [Accepted: 09/23/2019] [Indexed: 01/07/2023]
Abstract
Electrical discharge plasma occurring in a liquid phase, so called solution plasma, can generate highly active species, e.g. free radicals, which can involve in various chemical reactions, leading to less chemical uses. In this study, solution plasma was applied to deacetylation of chitin aiming to reduce the use of alkali. It was found that solution plasma could induce deacetylation of chitin hydrogels that were dispersed in MeOH/water solutions containing low NaOH concentrations (1-12%). Due to the action of free radicals, some extent of chain session of the polymer occurred during the plasma treatment. The degree of deacetylation and molecular weight of the obtained chitosan were 78% and 220 kDa, respectively, after the plasma treatment for five cycles (1 h/cycle) by using 90% MeOH/water solution containing 12% NaOH. The obtained chitosan could completely dissolve in 2% acetic acid solution and had antibacterial activities against S. aureus and E. coli.
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Affiliation(s)
- Ratana Rujiravanit
- The Petroleum and Petrochemical College, Chulalongkorn University, Bangkok, Thailand; Center of Excellence on Petrochemical and Materials Technology, Chulalongkorn University, Bangkok, Thailand.
| | - Maneekarn Kantakanun
- The Petroleum and Petrochemical College, Chulalongkorn University, Bangkok, Thailand
| | - Chayanaphat Chokradjaroen
- The Petroleum and Petrochemical College, Chulalongkorn University, Bangkok, Thailand; Center of Excellence on Petrochemical and Materials Technology, Chulalongkorn University, Bangkok, Thailand
| | - Chutima Vanichvattanadecha
- National Nanotechnology Center, National Science and Technology Development Agency, Thailand Science Park, Pathumthani, Thailand
| | - Nagahiro Saito
- Department of Chemical Systems Engineering, Graduate School of Engineering, Nagoya University, Nagoya, Japan
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13
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Liu J, Yang S, Li X, Yan Q, Reaney MJT, Jiang Z. Alginate Oligosaccharides: Production, Biological Activities, and Potential Applications. Compr Rev Food Sci Food Saf 2019; 18:1859-1881. [DOI: 10.1111/1541-4337.12494] [Citation(s) in RCA: 104] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 07/09/2019] [Accepted: 07/29/2019] [Indexed: 12/15/2022]
Affiliation(s)
- Jun Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human HealthCollege of Food Science and Nutritional EngineeringChina Agricultural Univ. Beijing 100083 China
- Beijing Advanced Innovation Center for Food Nutrition and Human HealthBeijing Technology and Business Univ. Beijing 100048 China
| | - Shaoqing Yang
- Beijing Advanced Innovation Center for Food Nutrition and Human HealthCollege of Food Science and Nutritional EngineeringChina Agricultural Univ. Beijing 100083 China
| | - Xiuting Li
- Beijing Advanced Innovation Center for Food Nutrition and Human HealthBeijing Technology and Business Univ. Beijing 100048 China
| | - Qiaojuan Yan
- Bioresource Utilization LaboratoryCollege of EngineeringChina Agricultural Univ. Beijing 100083 China
| | - Martin J. T. Reaney
- Dept. of Plant SciencesUniv. of Saskatchewan Saskatoon SK S7N 5A8 Canada
- Guangdong Saskatchewan Oilseed Joint Laboratory (GUSTO)Dept. of Food Science and EngineeringJinan Univ. Guangzhou 510632 China
| | - Zhengqiang Jiang
- Beijing Advanced Innovation Center for Food Nutrition and Human HealthCollege of Food Science and Nutritional EngineeringChina Agricultural Univ. Beijing 100083 China
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14
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Chokradjaroen C, Theeramunkong S, Yui H, Saito N, Rujiravanit R. Cytotoxicity against cancer cells of chitosan oligosaccharides prepared from chitosan powder degraded by electrical discharge plasma. Carbohydr Polym 2018; 201:20-30. [PMID: 30241811 DOI: 10.1016/j.carbpol.2018.08.037] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 08/09/2018] [Accepted: 08/09/2018] [Indexed: 02/02/2023]
Abstract
Chitosan oligosaccharides, which obtain from degradation of chitosan, possess some interesting molecular weight-dependent biological properties, especially anticancer activity. Therefore, the conversion of chitosan to chitosan oligosaccharides with specific molecular weight has been continuously investigated in order to find effective strategies that can achieve both economic feasibility and environmental concerns. In this study, a novel process was developed to heterogeneously degrade chitosan powder by highly active species generated by electrical discharge plasma in a dilute salt solution (0.02 M) without the addition of other chemicals. The degradation rate obtained from the proposed process was comparable to that obtained from some other methods with the addition of acids and oxidizing agents. Separation of the water-soluble degraded products containing chitosan oligosaccharides from the reaction solution was simply done by filtration. The obtained chitosan oligosaccharides were further evaluated for an influence of their molecular weights on cytotoxicity against cancer cells and the selectivity toward cancer and normal cells.
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Affiliation(s)
| | | | - Hiroharu Yui
- Department of Chemistry, Tokyo University of Science, Tokyo 162-8601, Japan; Water Frontier Science & Technology Research Center, Tokyo University of Science, Tokyo 162-8601, Japan
| | - Nagahiro Saito
- Department of Chemical Systems Engineering, Graduate School of Engineering, Nagoya University, Nagoya 464-8603, Japan
| | - Ratana Rujiravanit
- The Petroleum and Petrochemical College, Chulalongkorn University, Bangkok 10330, Thailand; Center of Excellence on Petrochemical and Materials Technology, Chulalongkorn University, Bangkok 10330, Thailand.
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15
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Chokradjaroen C, Rujiravanit R, Watthanaphanit A, Theeramunkong S, Saito N, Yamashita K, Arakawa R. Enhanced degradation of chitosan by applying plasma treatment in combination with oxidizing agents for potential use as an anticancer agent. Carbohydr Polym 2017; 167:1-11. [PMID: 28433142 DOI: 10.1016/j.carbpol.2017.03.006] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Revised: 03/02/2017] [Accepted: 03/02/2017] [Indexed: 11/28/2022]
Abstract
Solution plasma (SP) treatment in combination with oxidizing agents, i.e., hydrogen peroxide (H2O2), potassium persulfate (K2S2O8) and sodium nitrite (NaNO2) were adopted to chitosan degradation in order to achieve fast degradation rate, low chemicals used and high yield of low-molecular-weight chitosan and chitooligosaccharide (COS). Among the studied oxidizing agents, H2O2 was found to be the best choice in terms of appreciable molecular weight reduction without major change in chemical structure of the degraded products of chitosan. By the combination with SP treatment, dilute solution of H2O2 (4-60mM) was required for effective degradation of chitosan. The combination of SP treatment and dilute solution of H2O2 (60mM) resulted in the great reduction of molecular weight of chitosan and water-soluble chitosan was obtained as a major product. The resulting water-soluble chitosan was precipitated to obtain COS. An inhibitory effect against cervical cancer cell line (HeLa cells) of COS was also examined.
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Affiliation(s)
| | - Ratana Rujiravanit
- The Petroleum and Petrochemical College, Chulalongkorn University, Bangkok 10330, Thailand; Center of Excellence on Petrochemical and Materials Technology, Chulalongkorn University, Bangkok 10330, Thailand; NU-PPC Plasma Chemical Technology Laboratory, Chulalongkorn University, Bangkok 10330, Thailand.
| | - Anyarat Watthanaphanit
- Department of Chemistry, Faculty of Science, Mahidol University, Bangkok 10400, Thailand
| | | | - Nagahiro Saito
- Department of Materials, Physics and Energy Engineering, Graduate School of Engineering, Nagoya University, Nagoya 464-8603, Japan
| | - Kazuko Yamashita
- Department of Chemistry and Materials Engineering, Faculty of Chemistry, Materials and Bioengineering, Kansai University, Osaka 564-8680, Japan
| | - Ryuichi Arakawa
- Department of Chemistry and Materials Engineering, Faculty of Chemistry, Materials and Bioengineering, Kansai University, Osaka 564-8680, Japan
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16
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Morishita T, Ueno T, Panomsuwan G, Hieda J, Yoshida A, Bratescu MA, Saito N. Fastest Formation Routes of Nanocarbons in Solution Plasma Processes. Sci Rep 2016; 6:36880. [PMID: 27841288 PMCID: PMC5107960 DOI: 10.1038/srep36880] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Accepted: 10/24/2016] [Indexed: 12/16/2022] Open
Abstract
Although solution-plasma processing enables room-temperature synthesis of nanocarbons, the underlying mechanisms are not well understood. We investigated the routes of solution-plasma-induced nanocarbon formation from hexane, hexadecane, cyclohexane, and benzene. The synthesis rate from benzene was the highest. However, the nanocarbons from linear molecules were more crystalline than those from ring molecules. Linear molecules decomposed into shorter olefins, whereas ring molecules were reconstructed in the plasma. In the saturated ring molecules, C-H dissociation proceeded, followed by conversion into unsaturated ring molecules. However, unsaturated ring molecules were directly polymerized through cation radicals, such as benzene radical cation, and were converted into two- and three-ring molecules at the plasma-solution interface. The nanocarbons from linear molecules were synthesized in plasma from small molecules such as C2 under heat; the obtained products were the same as those obtained via pyrolysis synthesis. Conversely, the nanocarbons obtained from ring molecules were directly synthesized through an intermediate, such as benzene radical cation, at the interface between plasma and solution, resulting in the same products as those obtained via polymerization. These two different reaction fields provide a reasonable explanation for the fastest synthesis rate observed in the case of benzene.
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Affiliation(s)
- Tetsunori Morishita
- Department of Material Science and Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8603, Japan
| | - Tomonaga Ueno
- Department of Material Science and Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8603, Japan
- NU- PPC Plasma Chemical Technology Center, The Petroleum and Petrochemical College, Chulalongkorn University, Bangkok
10330, Thailand
- CREST, JST, Furo-cho, Chikusa-ku, Nagoya, 464-8603, Japan
| | - Gasidit Panomsuwan
- NU- PPC Plasma Chemical Technology Center, The Petroleum and Petrochemical College, Chulalongkorn University, Bangkok
10330, Thailand
| | - Junko Hieda
- Department of Material Science and Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8603, Japan
| | - Akihito Yoshida
- Department of Material Science and Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8603, Japan
| | - Maria Antoaneta Bratescu
- Department of Material Science and Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8603, Japan
| | - Nagahiro Saito
- Department of Material Science and Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8603, Japan
- NU- PPC Plasma Chemical Technology Center, The Petroleum and Petrochemical College, Chulalongkorn University, Bangkok
10330, Thailand
- CREST, JST, Furo-cho, Chikusa-ku, Nagoya, 464-8603, Japan
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17
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Kim H, Watthanaphanit A, Saito N. Synthesis of colloidal MnO2with a sheet-like structure by one-pot plasma discharge in permanganate aqueous solution. RSC Adv 2016. [DOI: 10.1039/c5ra20416j] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Stable colloidal MnO2—consisting of MnO2with a sheet-like structure—was synthesized by solution plasma process (SPP) in one-step and without utilizing any dispersants or stabilizers.
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Affiliation(s)
- Hyemin Kim
- Graduate School of Engineering
- Nagoya University
- Nagoya 464-8603
- Japan
| | - Anyarat Watthanaphanit
- Graduate School of Engineering
- Nagoya University
- Nagoya 464-8603
- Japan
- Social Innovation Design Center
| | - Nagahiro Saito
- Graduate School of Engineering
- Nagoya University
- Nagoya 464-8603
- Japan
- Social Innovation Design Center
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18
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Hyun K, Ueno T, Li OL, Saito N. Synthesis of heteroatom-carbon nanosheets by solution plasma processing using N-methyl-2-pyrrolidone as precursor. RSC Adv 2016. [DOI: 10.1039/c5ra23659b] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Heteroatom-carbon nanosheets, composed of multi-layer graphene with turbostratic stacking, were successfully synthesized through a solution plasma processing (SPP) with N-methyl-2-pyrrolidone at room temperature and an atmospheric pressure.
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Affiliation(s)
- Koangyong Hyun
- Department of Materials
- Physics and Energy Engineering
- Graduate School of Engineering
- Nagoya University
- Nagoya 464-8603
| | - Tomonaga Ueno
- Department of Materials
- Physics and Energy Engineering
- Graduate School of Engineering
- Nagoya University
- Nagoya 464-8603
| | - Oi Lun Li
- Department of Materials
- Physics and Energy Engineering
- Graduate School of Engineering
- Nagoya University
- Nagoya 464-8603
| | - Nagahiro Saito
- Department of Materials
- Physics and Energy Engineering
- Graduate School of Engineering
- Nagoya University
- Nagoya 464-8603
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19
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Voo WP, Lee BB, Idris A, Islam A, Tey BT, Chan ES. Production of ultra-high concentration calcium alginate beads with prolonged dissolution profile. RSC Adv 2015. [DOI: 10.1039/c5ra03862f] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Ultra-high concentration (UHC) calcium alginate beads produced by temperature-controlled extrusion-dripping system show prolonged dissolution profile.
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Affiliation(s)
- Wan-Ping Voo
- Chemical Engineering Discipline
- School of Engineering
- Monash University Malaysia
- 46150 Bandar Sunway
- Malaysia
| | - Boon-Beng Lee
- School of Bioprocess Engineering
- Universiti Malaysia Perlis
- 02600 Arau
- Malaysia
| | - Ani Idris
- Department of Bioprocess Engineering
- Faculty of Chemical and Natural Resource Engineering
- Universiti Teknologi Malaysia
- 81310 Skudai
- Malaysia
| | - Aminul Islam
- Catalysis and Science Research Center
- Faculty of Science
- Universiti Putra Malaysia
- Malaysia
- Department of Chemistry
| | - Beng-Ti Tey
- Chemical Engineering Discipline
- School of Engineering
- Monash University Malaysia
- 46150 Bandar Sunway
- Malaysia
| | - Eng-Seng Chan
- Chemical Engineering Discipline
- School of Engineering
- Monash University Malaysia
- 46150 Bandar Sunway
- Malaysia
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20
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Watthanaphanit A, Panomsuwan G, Saito N. A novel one-step synthesis of gold nanoparticles in an alginate gel matrix by solution plasma sputtering. RSC Adv 2014. [DOI: 10.1039/c3ra45029e] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
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21
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Lee H, Bratescu MA, Ueno T, Saito N. Solution plasma exfoliation of graphene flakes from graphite electrodes. RSC Adv 2014. [DOI: 10.1039/c4ra03253e] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Proposed mechanisms for the bubble formation on the graphite electrodes discharged in distilled water.
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Affiliation(s)
- Hoonseung Lee
- Graduate School of Engineering
- Nagoya University
- Nagoya 464-8603, Japan
| | | | - Tomonaga Ueno
- Graduate School of Engineering
- Nagoya University
- Nagoya 464-8603, Japan
- CREST
- Japan Science and Technology Agency
| | - Nagahiro Saito
- Graduate School of Engineering
- Nagoya University
- Nagoya 464-8603, Japan
- Aichi Science and Technology Foundation
- Toyota, Japan
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22
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Pornsunthorntawee O, Katepetch C, Vanichvattanadecha C, Saito N, Rujiravanit R. Depolymerization of chitosan-metal complexes via a solution plasma technique. Carbohydr Polym 2013; 102:504-12. [PMID: 24507312 DOI: 10.1016/j.carbpol.2013.11.025] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2013] [Revised: 11/17/2013] [Accepted: 11/19/2013] [Indexed: 10/26/2022]
Abstract
Chitosan-metal complexes were depolymerized under acidic conditions using a solution plasma system. Four different types of metal ions, including Ag(+), Zn(2+), Cu(2+), and Fe(3+) ions, were added to the chitosan solution at a metal-to-chitosan molar ratio of 1:8. The depolymerization rate was affected by the types of metal ions that form complexes with chitosan. The complexation of chitosan with Cu(2+) or Fe(3+) ions strongly promoted the depolymerization rate of chitosan using a solution plasma treatment. However, chitosan-Ag(+) and chitosan-Zn(2+) complexes exhibited no change in the depolymerization rate compared to chitosan. After plasma treatment of the chitosan-metal complexes, the depolymerized chitosan products were separated into water-insoluble and water-soluble fractions. The water-soluble fraction containing low-molecular-weight chitosan was obtained in a yield of less than 57% for the depolymerization of chitosan-Fe(3+) complex with the plasma treatment time of 180 min.
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Affiliation(s)
| | - Chaiyapruk Katepetch
- The Petroleum and Petrochemical College, Chulalongkorn University, Bangkok 10330, Thailand
| | | | - Nagahiro Saito
- Department of Materials, Physics and Energy Engineering, Graduate School of Engineering, Nagoya University, Nagoya 464-8603, Japan
| | - Ratana Rujiravanit
- The Petroleum and Petrochemical College, Chulalongkorn University, Bangkok 10330, Thailand; Center of Excellence on Petrochemical and Materials Technology, Chulalongkorn University, Bangkok 10330, Thailand.
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