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Huang Q, Tang J, Zhu J, Tan H, Huang Y, He G. Updated review of wet pack complications in pulse vacuum pressure steam sterilisation processes in central sterile supply departments. Trop Doct 2024; 54:116-122. [PMID: 38105600 DOI: 10.1177/00494755231217322] [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] [Indexed: 12/19/2023]
Abstract
The quality of sterilisation and disinfection in a central sterile supply department is directly related to the quality of the hospital services and the patients' safety. Wet packs occasionally occur following the process of pressure steam sterilisation; reducing this occurrence is an important issue. Therefore, the causes of wet pack following sterilisation were analysed to identify the influencing factors and suggest improvements to prevent its occurrence. Understanding the sterilisation process and possible causes of exposure helps with risk assessment and identifying necessary corrective measures.
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Affiliation(s)
- Qiyun Huang
- Chief Nurse, Department of CSSD, Xiangtan Central Hospital, Xiangtan, China
| | - Jing Tang
- Chief Nurse, Department of CSSD, Xiangtan Central Hospital, Xiangtan, China
| | - Jie Zhu
- Deputy Chief Physician, Department of Medical, Xiangtan Central Hospital, Xiangtan, China
| | - Huan Tan
- Chief Nurse, Department of CSSD, Xiangtan Central Hospital, Xiangtan, China
| | - Yan Huang
- Chief Nurse, Department of CSSD, Xiangtan Central Hospital, Xiangtan, China
| | - Guxiang He
- Chief Nurse, Department of CSSD, Xiangtan Central Hospital, Xiangtan, China
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2
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Xu Z, Wang T, Liu J. Recent Development of Polydopamine Anti-Bacterial Nanomaterials. Int J Mol Sci 2022; 23:ijms23137278. [PMID: 35806281 PMCID: PMC9266540 DOI: 10.3390/ijms23137278] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 06/24/2022] [Accepted: 06/27/2022] [Indexed: 02/01/2023] Open
Abstract
Polydopamine (PDA), as a mussel-inspired material, exhibits numerous favorable performance characteristics, such as a simple preparation process, prominent photothermal transfer efficiency, excellent biocompatibility, outstanding drug binding ability, and strong adhesive properties, showing great potential in the biomedical field. The rapid development of this field in the past few years has engendered substantial progress in PDA antibacterial materials. This review presents recent advances in PDA-based antimicrobial materials, including the preparation methods and antibacterial mechanisms of free-standing PDA materials and PDA-based composite materials. Furthermore, the urgent challenges and future research opportunities for PDA antibacterial materials are discussed.
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Affiliation(s)
- Zhengwei Xu
- Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China;
| | - Tingting Wang
- Department of Biomedical Engineering, College of Design and Engineering, National University of Singapore, Singapore 117583, Singapore
- Correspondence: (T.W.); (J.L.)
| | - Junqiu Liu
- Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China;
- Correspondence: (T.W.); (J.L.)
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3
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Raza S, Raza M, Zada S, Li X, Liu C. Fabrication of biomass-derived polymer with dopamine and Ag nanoaggregates: Prevention of the biofilm of bacteria and catalytic degradation of organic dyes. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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4
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Liu W, Tao Z, Wang D, Liu Q, Zhang Y, Zhang Y, Dong A. Immobilization of Cu (II) via a graphene oxide-supported strategy for antibacterial reutilization with long-term efficacy. JOURNAL OF HAZARDOUS MATERIALS 2021; 410:124601. [PMID: 33250312 DOI: 10.1016/j.jhazmat.2020.124601] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 11/11/2020] [Accepted: 11/13/2020] [Indexed: 06/12/2023]
Abstract
The past several decades have witnessed tremendous research to discover ways for controlling heavy metal pollution, but most of the strategies do not involve reuse of the captured heavy metals. Herein, we propose a graphene oxide -based strategy for the effective removal of Cu2+ ions from water, coupled with their reuse as an antibacterial agent. Using GO nanosheets as an adsorbent and nanosupport, the Cu2+ ions were effectively extracted from water (>99.9%) and reduced in situ to copper nanoparticles (Cu NPs) containing both crystalline Cu and Cu2O. The as-captured Cu NPs showed efficient in vitro antibacterial ability against Escherichia coli, reducing the bacteria from 109 to 101 CFU mL-1 by using 1 mg mL-1 Cu NPs/GO NSs for 1 h. The minimum inhibitory concentration determined to be only 16 μg mL-1. For practical applications, Cu recovered from wastewater could reduce bacteria by 8 log CFU in 1 h. The recovered Cu was still able to reduce the bacteria by 7 log CFU after 2 months of storage in an argon atmosphere. This strategy of extracting heavy metals and subsequently reutilizing to kill bacteria will be of great significance for environmental remediation and public healthcare.
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Affiliation(s)
- Wenxin Liu
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, People's Republic of China; Engineering Research Center of Dairy Quality and Safety Control Technology, Ministry of Education, Inner Mongolia University, Hohhot 010021, People's Republic of China
| | - Zhaofan Tao
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, People's Republic of China; Engineering Research Center of Dairy Quality and Safety Control Technology, Ministry of Education, Inner Mongolia University, Hohhot 010021, People's Republic of China
| | - Duo Wang
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, People's Republic of China; Engineering Research Center of Dairy Quality and Safety Control Technology, Ministry of Education, Inner Mongolia University, Hohhot 010021, People's Republic of China
| | - Qianqian Liu
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, People's Republic of China; Engineering Research Center of Dairy Quality and Safety Control Technology, Ministry of Education, Inner Mongolia University, Hohhot 010021, People's Republic of China
| | - Yinan Zhang
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, People's Republic of China; Engineering Research Center of Dairy Quality and Safety Control Technology, Ministry of Education, Inner Mongolia University, Hohhot 010021, People's Republic of China
| | - Yanling Zhang
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, People's Republic of China; Engineering Research Center of Dairy Quality and Safety Control Technology, Ministry of Education, Inner Mongolia University, Hohhot 010021, People's Republic of China
| | - Alideertu Dong
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, People's Republic of China; Engineering Research Center of Dairy Quality and Safety Control Technology, Ministry of Education, Inner Mongolia University, Hohhot 010021, People's Republic of China.
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5
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Palenzuela M, Valenzuela L, Amariei G, Vega JF, Mosquera MEG, Rosal R. Poly(glycidyl methacrylate) macromolecular assemblies as biocompatible nanocarrier for the antimicrobial lysozyme. Int J Pharm 2021; 603:120695. [PMID: 33984454 DOI: 10.1016/j.ijpharm.2021.120695] [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: 02/09/2021] [Revised: 04/29/2021] [Accepted: 05/06/2021] [Indexed: 11/28/2022]
Abstract
The antimicrobial lysozyme (Lys) was electrostatically incorporated to negatively charged crosslinked poly(glycidyl methacrylate) (c-PGMA) macromolecular assemblies. The resulting material was characterized by AFM, infrared spectra, water contact angle measurements and the staining with the primary amino specific dye fluorescamine. c-PGMA nanoparticles were successfully loaded with Lys reaching ratios of 27.3 ± 4.0 and 22.5 ± 1.7 mg Lys/g polymer for c-PGMA suspensions and functionalized glass substrates, respectively. Lys-loaded c-PGMA caused clear inhibition zones on S. aureus and E. coli in comparison to neat c-PGMA. c-PGMA functionalized surfaces were intrinsically resistant to colonization, but the incorporation of Lys added resistance to bacterial attachment and allowed keeping surfaces clean of bacterial cells for both strains. A relatively rapid release (24 h) of Lys was observed at physiological pH (7.4). In addition, c-PGMA functionalized substrates could be reloaded several times without losing capacity. c-PGMA macromolecular assemblies did not display cytotoxicity to human dermal fibroblasts as shown in 24 h MTT assays. This work demonstrated that c-PGMA assemblies display durable antibacterial activity, biocompatibility, and full reloading capacity with antimicrobial peptides. c-PGMA functionalized materials have potential application as nanocarriers for anti-infective uses.
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Affiliation(s)
- Miguel Palenzuela
- Department of Organic and Inorganic Chemistry, Institute of Chemical Research "Andrés M. del Río" (IQAR), Universidad de Alcalá, 28805 Alcalá de Henares, Madrid, Spain
| | - Laura Valenzuela
- Department of Chemical Engineering, Universidad de Alcalá, 28805 Alcalá de Henares, Madrid, Spain
| | - Georgiana Amariei
- Department of Chemical Engineering, Universidad de Alcalá, 28805 Alcalá de Henares, Madrid, Spain.
| | - Juan F Vega
- Department of Macromolecular Physics, Instituto de Estructura de la Materia, IEM-CSIC, 28006 Madrid, Spain
| | - Marta E G Mosquera
- Department of Organic and Inorganic Chemistry, Institute of Chemical Research "Andrés M. del Río" (IQAR), Universidad de Alcalá, 28805 Alcalá de Henares, Madrid, Spain.
| | - Roberto Rosal
- Department of Chemical Engineering, Universidad de Alcalá, 28805 Alcalá de Henares, Madrid, Spain
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6
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Xiao J, Lu Q, Cong H, Shen Y, Yu B. Microporous poly(glycidyl methacrylate- co-ethylene glycol dimethyl acrylate) microspheres: synthesis, functionalization and applications. Polym Chem 2021. [DOI: 10.1039/d1py00834j] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
As a new kind of functional material, micron-sized porous polymer microspheres are a hot research topic in the field of polymer materials.
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Affiliation(s)
- Jingyuan Xiao
- Institute of Biomedical Materials and Engineering, College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China
| | - Qingbiao Lu
- Institute of Biomedical Materials and Engineering, College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China
| | - Hailin Cong
- Institute of Biomedical Materials and Engineering, College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China
- State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China
| | - Youqing Shen
- Institute of Biomedical Materials and Engineering, College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China
| | - Bing Yu
- Institute of Biomedical Materials and Engineering, College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China
- State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China
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7
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Erol K, Tatar D, Veyisoğlu A, Tokatlı A. Antimicrobial magnetic poly(GMA) microparticles: synthesis, characterization and lysozyme immobilization. JOURNAL OF POLYMER ENGINEERING 2020. [DOI: 10.1515/polyeng-2020-0191] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Abstract
Micron-sized magnetic particles currently find a wide range of applications in many areas including biotechnology, biochemistry, colloid sciences and medicine. In this study, magnetic poly(glycidyl methacrylate) microparticles were synthesized by providing a polymerization around Fe(II)-Ni(II) magnetic double salt. Adsorption of lysozyme protein from aqueous systems was studied with these particles. Adsorption studies were performed with changing pH values, variable amount of adsorbent, different interaction times and lysozyme amounts. The adsorption capacity of the particles was investigated, and a value of about 95.6 mg lysozyme/g microparticle was obtained. The enzyme activity of the immobilized lysozyme was examined and found to be more stable and reusable compared to the free enzyme. The immobilized enzyme still showed 80% activity after five runs and managed to maintain 78% of its initial activity at the end of 60 days. Besides, in the antimicrobial analysis study for six different microorganisms, the minimum inhibitory concentration value of lysozyme immobilized particles was calculated as 125 μg/mL like free lysozyme. Finally, the adsorption interaction was found to be compatible with the Langmuir isotherm model. Accordingly, it can be said that magnetic poly(GMA) microparticles are suitable materials for lysozyme immobilization and immobilized lysozyme can be used in biotechnological studies.
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Affiliation(s)
- Kadir Erol
- Department of Medical Services and Techniques , Vocational School of Health Services, Hitit University , Çorum , Turkey
| | - Demet Tatar
- Department of Medical Services and Techniques , Osmancık Ömer Derindere Vocational School, Hitit University , Çorum , Turkey
| | - Aysel Veyisoğlu
- Department of Medical Services and Techniques , Vocational School of Health Services, Sinop University , Sinop , Turkey
| | - Ali Tokatlı
- Department of Biology , Faculty of Art and Science, Ondokuz Mayıs University , Samsun , Turkey
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8
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Kundu CK, Li Z, Song L, Hu Y. An overview of fire retardant treatments for synthetic textiles: From traditional approaches to recent applications. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2020.109911] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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9
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Khan Z, Al-Thabaiti SA. Biogenic silver nanoparticles: Green synthesis, encapsulation, thermal stability and antimicrobial activities. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.111102] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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10
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Novel nano-composite hydrogels with honey effective against multi-resistant clinical strains of Acinetobacter baumannii and Pseudomonas aeruginosa. Appl Microbiol Biotechnol 2019; 103:8529-8543. [DOI: 10.1007/s00253-019-10055-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 07/17/2019] [Accepted: 07/26/2019] [Indexed: 01/22/2023]
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11
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Ren Y, Qin Y, Liu X, Huo T, Jiang L, Tian T. Flame-retardant polyacrylonitrile fabric prepared by ultraviolet-induced grafting with glycidyl methacrylate followed by ammoniation and phosphorylation. J Appl Polym Sci 2018. [DOI: 10.1002/app.46752] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Yuanlin Ren
- School of Textiles; Tianjin Polytechnic University; 300387 Tianjin China
- Key Laboratory of Advanced Textile Composite, Ministry of Education; Tianjin Polytechnic University; 300387 Tianjin China
| | - Yiwen Qin
- Key Laboratory of Advanced Textile Composite, Ministry of Education; Tianjin Polytechnic University; 300387 Tianjin China
| | - Xiaohui Liu
- School of Materials Science and Engineering; Tianjin Polytechnic University; 300387 Tianjin China
| | - Tongguo Huo
- Key Laboratory of Advanced Textile Composite, Ministry of Education; Tianjin Polytechnic University; 300387 Tianjin China
| | - Lina Jiang
- Key Laboratory of Advanced Textile Composite, Ministry of Education; Tianjin Polytechnic University; 300387 Tianjin China
| | - Tian Tian
- Key Laboratory of Advanced Textile Composite, Ministry of Education; Tianjin Polytechnic University; 300387 Tianjin China
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12
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Ren Y, Jiang L, Tian T, Liu X, Han Z. Durable flame retardant polyacrylonitrile fabric via UV-induced grafting polymerization and surface chemical modification. RSC Adv 2018; 8:41389-41396. [PMID: 35559305 PMCID: PMC9091708 DOI: 10.1039/c8ra09005j] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 12/03/2018] [Indexed: 11/29/2022] Open
Abstract
To improve the flame retardancy of polyacrylonitrile (PAN) fabric, glycidyl methacrylate (GMA) was firstly grafted onto the surface of PAN fabric. Then, the GMA grafted PAN fabric (PAN-g-GMA) was chemically modified with hydrazine hydrate and phosphorus acid in sequence to obtain ammoniated PAN-g-GMA fabric (Am-PAN-g-GMA) and flame retardant PAN fabric (FR-PAN), respectively. The structures, thermal properties and combustion characteristics of the samples were researched in detail. The results indicate that the fire retardant PAN fabric has good char-forming ability. Cone calorimeter tests show that the total heat release (THR) of FR-PAN declines by 38.4%, while the peak heat release rate (PHRR) of FR-PAN decreases by 60.2%. Moreover, the total smoke production (TSP) and the peak smoke production rate (PSPR) of FR-PAN dropped from 1.5 m2 and 0.06 m2 s−1 for the control sample to 0.4 m2 and 0.01 m2 s−1, respectively, indicating excellent smoke repression performance. The LOI value of FR-PAN fabric was 29.3% after 30 washing cycles showing good washing resistance and excellent flame retardant durability. A durable flame retardant PAN fabric was prepared via UV-induced grafting polymerization and chemical modification. The flame retardant performance of the fabric was greatly improved.![]()
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Affiliation(s)
- Yuanlin Ren
- School of Textiles
- Tianjin Polytechnic University
- 300387 Tianjin
- China
- Key Laboratory of Advanced Textile Composite
| | - Lina Jiang
- School of Textiles
- Tianjin Polytechnic University
- 300387 Tianjin
- China
| | - Tian Tian
- School of Textiles
- Tianjin Polytechnic University
- 300387 Tianjin
- China
| | - Xiaohui Liu
- School of Materials Science and Engineering
- Tianjin Polytechnic University
- 300387 Tianjin
- China
| | - Zhenbang Han
- School of Textiles
- Tianjin Polytechnic University
- 300387 Tianjin
- China
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Dong A, Wang YJ, Gao Y, Gao T, Gao G. Chemical Insights into Antibacterial N-Halamines. Chem Rev 2017; 117:4806-4862. [DOI: 10.1021/acs.chemrev.6b00687] [Citation(s) in RCA: 202] [Impact Index Per Article: 28.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Alideertu Dong
- College
of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, People’s Republic of China
| | - Yan-Jie Wang
- Department
of Chemical and Biological Engineering, University of British Columbia, 2360 East Mall, Vancouver, BC, Canada V6T 1Z3
| | - Yangyang Gao
- College
of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, People’s Republic of China
| | - Tianyi Gao
- College
of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, People’s Republic of China
| | - Ge Gao
- College
of Chemistry, Jilin University, Changchun 130021, People’s Republic of China
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