1
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Cao J, Su Z, Zhang Y, Chen Z, Li J, Cai Y, Chang Y, Lei M, He Q, Li W, Liao X, Zhang S, Hong A, Chen X. Turning sublimed sulfur and bFGF into a nanocomposite to accelerate wound healing via co-activate FGFR and Hippo signaling pathway. Mater Today Bio 2024; 26:101104. [PMID: 38952539 PMCID: PMC11216016 DOI: 10.1016/j.mtbio.2024.101104] [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: 03/08/2024] [Revised: 05/17/2024] [Accepted: 05/27/2024] [Indexed: 07/03/2024] Open
Abstract
Clinical treatment of diabetic refractory ulcers is impeded by chronic inflammation and cell dysfunction associated with wound healing. The significant clinical application of bFGF in wound healing is limited by its instability in vivo. Sulfur has been applied for the treatment of skin diseases in the clinic for antibiosis. We previously found that sulfur incorporation improves the ability of selenium nanoparticles to accelerate wound healing, yet the toxicity of selenium still poses a risk for its clinical application. To obtain materials with high pro-regeneration activity and low toxicity, we explored the mechanism by which selenium-sulfur nanoparticles aid in wound healing via RNA-Seq and designed a nanoparticle called Nano-S@bFGF, which was constructed from sulfur and bFGF. As expected, Nano-S@bFGF not only regenerated zebrafish tail fins and promoted skin wound healing but also promoted skin repair in diabetic mice with a profitable safety profile. Mechanistically, Nano-S@bFGF successfully coactivated the FGFR and Hippo signalling pathways to regulate wound healing. Briefly, the Nano-S@bFGF reported here provides an efficient and feasible method for the synthesis of bioactive nanosulfur and bFGF. In the long term, our results reinvigorated efforts to discover more peculiar unique biofunctions of sulfur and bFGF in a great variety of human diseases.
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Affiliation(s)
- Jieqiong Cao
- Department of Radiology, The First Affiliated Hospital of Jinan University, Guangzhou, China
- Department of Cell Biology & Institute of Biomedicine, College of Life Science and Technology, State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangdong Province Key Laboratory of Bioengineering Medicine, Guangdong Provincial Biotechnology Drug & Engineering Technology Research Center, National Engineering Research Center of Genetic Medicine, Guangzhou, China
| | - Zijian Su
- Department of Cell Biology & Institute of Biomedicine, College of Life Science and Technology, State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangdong Province Key Laboratory of Bioengineering Medicine, Guangdong Provincial Biotechnology Drug & Engineering Technology Research Center, National Engineering Research Center of Genetic Medicine, Guangzhou, China
| | - Yibo Zhang
- Department of Cell Biology & Institute of Biomedicine, College of Life Science and Technology, State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangdong Province Key Laboratory of Bioengineering Medicine, Guangdong Provincial Biotechnology Drug & Engineering Technology Research Center, National Engineering Research Center of Genetic Medicine, Guangzhou, China
| | - Zhiqi Chen
- Department of Cell Biology & Institute of Biomedicine, College of Life Science and Technology, State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangdong Province Key Laboratory of Bioengineering Medicine, Guangdong Provincial Biotechnology Drug & Engineering Technology Research Center, National Engineering Research Center of Genetic Medicine, Guangzhou, China
| | - Jingsheng Li
- Department of Cell Biology & Institute of Biomedicine, College of Life Science and Technology, State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangdong Province Key Laboratory of Bioengineering Medicine, Guangdong Provincial Biotechnology Drug & Engineering Technology Research Center, National Engineering Research Center of Genetic Medicine, Guangzhou, China
| | - Yulin Cai
- Department of Cell Biology & Institute of Biomedicine, College of Life Science and Technology, State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangdong Province Key Laboratory of Bioengineering Medicine, Guangdong Provincial Biotechnology Drug & Engineering Technology Research Center, National Engineering Research Center of Genetic Medicine, Guangzhou, China
| | - Yiming Chang
- Department of Radiology, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Minghua Lei
- Department of Cell Biology & Institute of Biomedicine, College of Life Science and Technology, State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangdong Province Key Laboratory of Bioengineering Medicine, Guangdong Provincial Biotechnology Drug & Engineering Technology Research Center, National Engineering Research Center of Genetic Medicine, Guangzhou, China
| | - Qianyi He
- Department of Cell Biology & Institute of Biomedicine, College of Life Science and Technology, State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangdong Province Key Laboratory of Bioengineering Medicine, Guangdong Provincial Biotechnology Drug & Engineering Technology Research Center, National Engineering Research Center of Genetic Medicine, Guangzhou, China
| | - Weicai Li
- Department of Cell Biology & Institute of Biomedicine, College of Life Science and Technology, State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangdong Province Key Laboratory of Bioengineering Medicine, Guangdong Provincial Biotechnology Drug & Engineering Technology Research Center, National Engineering Research Center of Genetic Medicine, Guangzhou, China
| | - Xuan Liao
- Department of Plastic Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Shuixing Zhang
- Department of Radiology, The First Affiliated Hospital of Jinan University, Guangzhou, China
| | - An Hong
- Department of Radiology, The First Affiliated Hospital of Jinan University, Guangzhou, China
- Department of Cell Biology & Institute of Biomedicine, College of Life Science and Technology, State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangdong Province Key Laboratory of Bioengineering Medicine, Guangdong Provincial Biotechnology Drug & Engineering Technology Research Center, National Engineering Research Center of Genetic Medicine, Guangzhou, China
| | - Xiaojia Chen
- Department of Radiology, The First Affiliated Hospital of Jinan University, Guangzhou, China
- Department of Cell Biology & Institute of Biomedicine, College of Life Science and Technology, State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangdong Province Key Laboratory of Bioengineering Medicine, Guangdong Provincial Biotechnology Drug & Engineering Technology Research Center, National Engineering Research Center of Genetic Medicine, Guangzhou, China
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2
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Islam F, Zeng Q. Advances in Organosulfur-Based Polymers for Drug Delivery Systems. Polymers (Basel) 2024; 16:1207. [PMID: 38732676 PMCID: PMC11085353 DOI: 10.3390/polym16091207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2023] [Revised: 02/07/2024] [Accepted: 04/10/2024] [Indexed: 05/13/2024] Open
Abstract
Organosulfur-based polymers have unique properties that make them useful for targeted and managed drug delivery, which can improve therapy while reducing side effects. This work aims to provide a brief review of the synthesis strategies, characterization techniques, and packages of organosulfur-based polymers in drug delivery. More importantly, this work discusses the characterization, biocompatibility, controlled release, nanotechnology, and targeted therapeutic aspects of these important structural units. This review provides not only a good comprehension of organosulfur-based polymers but also an insightful discussion of potential future prospectives in research. The discovery of novel organosulfur polymers and innovations is highly expected to be stimulated in order to synthesize polymer prototypes with increased functional accuracy, efficiency, and low cost for many industrial applications.
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Affiliation(s)
| | - Qingle Zeng
- College of Materials, Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China
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3
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Cherumukkil S, Agrawal S, Jasra RV. Sulfur Polymer as Emerging Advanced Materials: Synthesis and Applications. ChemistrySelect 2023. [DOI: 10.1002/slct.202204428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
Affiliation(s)
- Sandeep Cherumukkil
- Research Centre, Vadodara Manufacturing Division, Reliance Industries Limited Vadodara Gujarat 391346 India
| | - Santosh Agrawal
- Research Centre, Vadodara Manufacturing Division, Reliance Industries Limited Vadodara Gujarat 391346 India
| | - Raksh Vir Jasra
- Research Centre, Vadodara Manufacturing Division, Reliance Industries Limited Vadodara Gujarat 391346 India
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4
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Lai YS, Liu YL. Reaction between 1,3,5-Triisopropylbenzene and Elemental Sulfur Extending the Scope of Reagents in Inverse Vulcanization. Macromol Rapid Commun 2023; 44:e2300014. [PMID: 36790071 DOI: 10.1002/marc.202300014] [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: 01/09/2023] [Revised: 02/09/2023] [Indexed: 02/16/2023]
Abstract
Inverse vulcanization utilizes an organic compound as reagent for crosslinking elemental sulfur to result in corresponding polymeric material with a high sulfur content. This work, employing 1,3,5-triisopropylbenzene (TIPB) as the reagent, demonstrates the first attempt on extending the scope of crosslinking agents of inverse vulcanization to saturate compounds. Under nuclear magnetic spectroscopic analysis, the reactions between TIPB and elemental sulfur take places through ring-opening reaction of S8 resulting in sulfur radicals at sulfur chain ends, radicals transferring to isopropyl groups of TIPB, and radical coupling reactions between carbon radicals and sulfur radicals. The obtained products are similar to the sulfur polymers from conventional inverse vulcanization processes and show self-healing property.
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Affiliation(s)
- Yue-Sheng Lai
- Department of Chemical Engineering, National Tsing Hua University, No. 101, Sec. 2, Kuang-Fu Road, Hsinchu, 300044, Taiwan
| | - Ying-Ling Liu
- Department of Chemical Engineering, National Tsing Hua University, No. 101, Sec. 2, Kuang-Fu Road, Hsinchu, 300044, Taiwan
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Dodd LJ, Lima C, Costa-Milan D, Neale AR, Saunders B, Zhang B, Sarua A, Goodacre R, Hardwick LJ, Kuball M, Hasell T. Raman analysis of inverse vulcanised polymers. Polym Chem 2023. [DOI: 10.1039/d2py01408d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
Abstract
Raman analysis has been found to provide otherwise hard to obtain information on inverse vulcanised polymers, including their homogeneity, sulfur rank, and unpolymerised sulfur content.
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Affiliation(s)
- Liam J. Dodd
- University of Liverpool, School of Physical Sciences, Department of Chemistry, Crown Street, Liverpool, L697ZD, Merseyside, UK
| | - Cássio Lima
- University of Liverpool, Centre for Metabolomics Research, Department of Biochemistry and Systems Biology, Institute of Systems, Molecular and Integrative Biology, Crown Street, Liverpool, L697BE, Merseyside, UK
| | - David Costa-Milan
- University of Liverpool, Stephenson Institute for Renewable Energy, Chadwick Building, Peach Street, Liverpool, L697ZF, Merseyside, UK
| | - Alex R. Neale
- University of Liverpool, Stephenson Institute for Renewable Energy, Chadwick Building, Peach Street, Liverpool, L697ZF, Merseyside, UK
| | - Benedict Saunders
- University College London, Department of Chemistry, Gower Street, London, WC1E6BT, UK
| | - Bowen Zhang
- University of Liverpool, School of Physical Sciences, Department of Chemistry, Crown Street, Liverpool, L697ZD, Merseyside, UK
| | - Andrei Sarua
- University of Bristol, HH Wills Physics Laboratory, Tyndall Avenue, Bristol, BS81TL, UK
| | - Royston Goodacre
- University of Liverpool, Centre for Metabolomics Research, Department of Biochemistry and Systems Biology, Institute of Systems, Molecular and Integrative Biology, Crown Street, Liverpool, L697BE, Merseyside, UK
| | - Laurence J. Hardwick
- University of Liverpool, Stephenson Institute for Renewable Energy, Chadwick Building, Peach Street, Liverpool, L697ZF, Merseyside, UK
| | - Martin Kuball
- University of Bristol, HH Wills Physics Laboratory, Tyndall Avenue, Bristol, BS81TL, UK
| | - Tom Hasell
- University of Liverpool, School of Physical Sciences, Department of Chemistry, Crown Street, Liverpool, L697ZD, Merseyside, UK
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Ameera Rosli N, Yeit Haan T, Mahmoudi E. Optimisation for the Synthesis of Uniformly Dispersed Antimicrobial Ag/GO Nanohybrid Latex Film. J IND ENG CHEM 2023. [DOI: 10.1016/j.jiec.2023.01.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Ngenge Tamfu A, Boukhedena W, Boudiba S, Deghboudj S, Ceylan O. Synthesis and evaluation of inhibitory potentials of microbial biofilms and quorum-sensing by 3-(1,3-dithian-2-ylidene) pentane-2,4-dione and ethyl-2-cyano-2-(1,3-dithian-2-ylidene) acetate. PHARMACIA 2022. [DOI: 10.3897/pharmacia.69.e87834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
The virulence and resistance of pathogenic microorganisms are promoted by quorum-sensing (QS) mediated traits and biofilms. The development of antimicrobial agents which can reduce the incidence of microbial resistance by disrupting the establishment of biofilms and QS, constitute a suitable strategy to reduce the emergence of pathogenic strains that are resistant to antibiotics. In this study, 3-(1,3-dithian-2-ylidene) pentane-2,4-dione (1) and ethyl-2-cyano-2-(1,3-dithian-2-ylidene) acetate (2) were successfully synthesized and characterized using EIMS, 1H NMR and 13C NMR techniques. On S. aureus, both compounds had MIC (minimal inhibitory concentrations) of 0.625 mg/mL while on E. coli and C. albicans, compound 2 showed higher activity than compound 1. All compounds inhibited formation of biofilms by C. albicans and S. aureus at sub-MIC with compound 1 being more active than compound 2. On E. coli, only compound 1 inhibited biofilm formation. Violacein production of violacein in C. violaceum CV12472 and quorum sensing in C. violaceum CV026 were inhibited indicating that the compounds could block signal production and reception. Anti-quorum sensing at sub-MIC concentrations revealed by inhibition zones were 13.0±0.5 mm and 8.0±0.5 mm at MIC and MIC/2 respectively for compound 1 and for compound 2, they were 11.5±0.4 mm and 7.5±0.0 mm at MIC and MIC/2 respectively. Concentration-dependent swarming motility was exhibited by both compounds with compound 1 slightly more active than compound 2. The results indicate that the organosulphur compounds could be suitable candidates for modern antibiotics.
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8
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Mechanochemical synthesis of inverse vulcanized polymers. Nat Commun 2022; 13:4824. [PMID: 35974005 PMCID: PMC9381570 DOI: 10.1038/s41467-022-32344-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 07/26/2022] [Indexed: 12/02/2022] Open
Abstract
Inverse vulcanization, a sustainable platform, can transform sulfur, an industrial by-product, into polymers with broad promising applications such as heavy metal capture, electrochemistry and antimicrobials. However, the process usually requires high temperatures (≥159 °C), and the crosslinkers needed to stabilize the sulfur are therefore limited to high-boiling-point monomers only. Here, we report an alternative route for inverse vulcanization—mechanochemical synthesis, with advantages of mild conditions (room temperature), short reaction time (3 h), high atom economy, less H2S, and broader monomer range. Successful generation of polymers using crosslinkers ranging from aromatic, aliphatic to volatile, including renewable monomers, demonstrates this method is powerful and versatile. Compared with thermal synthesis, the mechanochemically synthesized products show enhanced mercury capture. The resulting polymers show thermal and light induced recycling. The speed, ease, versatility, safety, and green nature of this process offers a more potential future for inverse vulcanization, and enables further unexpected discoveries. Inverse vulcanization is a process that enables to convert sulfur, a by-product of the petroleum industry, into polymers. Here the authors report a synthetic method of inverse vulcanization via mechanochemical synthesis; compared to thermal routes, a broader range of monomers can be used, and the protocol yields materials with enhanced mercury capture capacity.
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Miao C, Yan P, Liu H, Cai S(D, Dodd LJ, Wang H, Deng X, Li J, Wang XC, Hu X, Wu X, Hasell T, Quan ZJ. Fabrication of TiN-Based Superhydrophobic Anti-Corrosion Coating by Inverse Vulcanization. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2022. [DOI: 10.1246/bcsj.20220142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Congcong Miao
- College of Chemistry and Chemical Engineering, Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Material, Northwest Normal University, Lanzhou 730070, P. R. China
| | - Peiyao Yan
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, UK
| | - Haichao Liu
- College of Chemistry and Chemical Engineering, Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Material, Northwest Normal University, Lanzhou 730070, P. R. China
| | | | - Liam J. Dodd
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, UK
| | - Haoran Wang
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, UK
| | - Xi Deng
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, UK
| | - Jian Li
- College of Chemistry and Chemical Engineering, Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Material, Northwest Normal University, Lanzhou 730070, P. R. China
| | - Xi-Cun Wang
- College of Chemistry and Chemical Engineering, Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Material, Northwest Normal University, Lanzhou 730070, P. R. China
| | - Xiaolin Hu
- Chongqing Key Laboratory of Green Energy Materials Technology and Systems, Department of Physics and Energy, Chongqing University of Technology, Chongqing 40054, P. R. China
| | - Xiaofeng Wu
- College of Chemistry and Chemical Engineering, Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Material, Northwest Normal University, Lanzhou 730070, P. R. China
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, UK
| | - Tom Hasell
- College of Chemistry and Chemical Engineering, Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Material, Northwest Normal University, Lanzhou 730070, P. R. China
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, UK
| | - Zheng-Jun Quan
- College of Chemistry and Chemical Engineering, Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Material, Northwest Normal University, Lanzhou 730070, P. R. China
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Saavedra FM, Pelepenko LE, Boyle WS, Zhang A, Staley C, Herzberg MC, Marciano MA, Lima BP. In vitro physicochemical characterization of five root canal sealers and their influence on an ex vivo oral multi-species biofilm community. Int Endod J 2022; 55:772-783. [PMID: 35383959 PMCID: PMC9321831 DOI: 10.1111/iej.13742] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 03/14/2022] [Accepted: 03/30/2022] [Indexed: 11/29/2022]
Abstract
AIM To evaluate the physicochemical properties of five root canal sealers and assess their effect on an ex vivo dental plaque-derived polymicrobial community. METHODOLOGY Dental plaque-derived microbial communities were exposed to the sealers (AH Plus [AHP], GuttaFlow Bioseal [GFB], Endoseal MTA [ESM], Bio-C sealer [BCS] and BioRoot RCS [BRR]) for 3, 6 and 18 h. The sealers' effect on the biofilm biomass and metabolic activity was quantified using crystal violet (CV) staining and MTT assay, respectively. Biofilm community composition and morphology were assessed by denaturing gradient gel electrophoresis (DGGE), 16S rRNA sequencing and scanning electron microscopy. The ISO6876:2012 specifications were followed to determine the setting time, radiopacity, flowability and solubility. Obturated acrylic teeth were used to assess the sealers' effect on pH. Surface chemical characterization was performed using SEM with coupled energy-dispersive spectroscopy. Data normality was assessed using the Shapiro-Wilk test. One-way anova and Tukey's tests were used to analyze data from setting time, radiopacity, flowability and solubility. Two-way anova and Dunnett's tests were used for the data analysis from CV, MTT and pH. 16S rRNA sequencing data were analyzed for alpha (Shannon index and Chao analysis) and beta diversity (Bray-Curtis dissimilarities). Differences in community composition were evaluated by analysis of similarity (p < .05). RESULTS The sealers significantly influenced microbial community composition and morphology. All sealers complied with ISO6876:2012 requirements for setting time, radiopacity and flowability. Although only AHP effectively reduced the biofilm biomass, all sealers, except BRR, reduced biofilm metabolic activity. CONCLUSION Despite adequate physical properties, none of the sealers tested prevented biofilm growth. Significant changes in community composition were observed. If observed in vivo, these changes could affect intracanal microbial survival, pathogenicity and treatment outcomes.
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Affiliation(s)
- Flavia M. Saavedra
- Department of Restorative DentistrySchool of Dentistry of PiracicabaState University of CampinasPiracicabaBrazil
- Department of Diagnostic and Biological SciencesSchool of DentistryUniversity of MinnesotaMinneapolisMinnesotaUSA
| | - Lauter E. Pelepenko
- Department of Restorative DentistrySchool of Dentistry of PiracicabaState University of CampinasPiracicabaBrazil
| | - William S. Boyle
- Department of Diagnostic and Biological SciencesSchool of DentistryUniversity of MinnesotaMinneapolisMinnesotaUSA
| | - Anqi Zhang
- Minnesota Dental Research Center for Biomaterials and Biomechanics (MDRCBB)School of DentistryUniversity of MinnesotaMinneapolisMinnesotaUSA
| | - Christopher Staley
- Division of Basic & Translational ResearchDepartment of SurgeryUniversity of MinnesotaMinneapolisMinnesotaUSA
| | - Mark C. Herzberg
- Department of Diagnostic and Biological SciencesSchool of DentistryUniversity of MinnesotaMinneapolisMinnesotaUSA
| | - Marina A. Marciano
- Department of Restorative DentistrySchool of Dentistry of PiracicabaState University of CampinasPiracicabaBrazil
| | - Bruno P. Lima
- Department of Diagnostic and Biological SciencesSchool of DentistryUniversity of MinnesotaMinneapolisMinnesotaUSA
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11
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Upton RL, Dop RA, Sadler E, Lunt AM, Neill DR, Hasell T, Crick CR. Investigating the viability of sulfur polymers for the fabrication of photoactive, antimicrobial, water repellent coatings. J Mater Chem B 2022; 10:4153-4162. [PMID: 35438120 DOI: 10.1039/d2tb00319h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Elemental sulfur (S8), a by-product of the petroleum refining industries, possesses many favourable properties including photocatalytic activity and antibacterial activity, in addition to being intrinsically hydrophobic. Despite this, there is a relative lack of research employing elemental sulfur and/or sulfur copolymers within superhydrophobic materials design. In this work, we present the use of sulfur copolymers to produce superhydrophobic materials with advanced functionalities. Using inverse vulcanization and the use of a natural organic crosslinker, perillyl alcohol (PER), stable S8-PER copolymers were synthesised and later combined with silica (SiO2) nanoparticles, to achieve highly water repellent composites that displayed both antimicrobial and photocatalytic properties, in the absence of carcinogenic and/or expensive materials. Here, we investigated the antibacterial performance of coatings against the Staphylococcus aureus bacterial strain, where coatings displayed great promise for use in antifouling applications, as they were found to limit surface adhesion by more than 99%, when compared to uncoated glass samples. Furthermore, UV dye degradation tests were performed, utilizing the commercially available dye resazurin, and it was shown that coatings had the potential to simultaneously exhibit surface hydrophobicity and photoactivity, demonstrating a great advancement in the field of superhydrophobic materials.
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Affiliation(s)
- Rebekah L Upton
- University of Liverpool, Department of Chemistry, Materials Innovation Factory, Liverpool, L69 7ZX, UK.,Queen Mary University of London, School of Engineering and Materials Science, London, E1 4NS, UK.
| | - Romy A Dop
- University of Liverpool, Department of Chemistry, Materials Innovation Factory, Liverpool, L69 7ZX, UK
| | - Emma Sadler
- Queen Mary University of London, School of Engineering and Materials Science, London, E1 4NS, UK.
| | - Amy M Lunt
- University of Liverpool, Department of Chemistry, Materials Innovation Factory, Liverpool, L69 7ZX, UK
| | - Daniel R Neill
- University of Liverpool, Department of Clinical Infection, Microbiology and Immunology, 8 West Derby Street, Liverpool, L69 7BE, UK
| | - Tom Hasell
- University of Liverpool, Department of Chemistry, Materials Innovation Factory, Liverpool, L69 7ZX, UK
| | - Colin R Crick
- Queen Mary University of London, School of Engineering and Materials Science, London, E1 4NS, UK.
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Scheiger JM, Hoffmann M, Falkenstein P, Wang Z, Rutschmann M, Scheiger VW, Grimm A, Urbschat K, Sengpiel T, Matysik J, Wilhelm M, Levkin PA, Theato P. Inverse Vulcanization of Norbornenylsilanes: Soluble Polymers with Controllable Molecular Properties via Siloxane Bonds. Angew Chem Int Ed Engl 2022; 61:e202114896. [PMID: 35068039 PMCID: PMC9302686 DOI: 10.1002/anie.202114896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Indexed: 11/10/2022]
Affiliation(s)
- Johannes M. Scheiger
- Institute of Biological and Chemical Systems–Functional Molecular Systems (IBCS-FMS) Karlsruhe Institute of Technology (KIT) Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
- Institute for Technical Chemistry and Polymer Chemistry (ITCP) Karlsruhe Institute of Technology (KIT) Engesserstrasse 18 76131 Karlsruhe Germany
| | - Maxi Hoffmann
- Institute for Technical Chemistry and Polymer Chemistry (ITCP) Karlsruhe Institute of Technology (KIT) Engesserstrasse 18 76131 Karlsruhe Germany
| | - Patricia Falkenstein
- Leipzig University Institute of Analytical Chemistry Linnéstrasse 3 04103 Leipzig Germany
| | - Zhenwu Wang
- Institute of Biological and Chemical Systems–Functional Molecular Systems (IBCS-FMS) Karlsruhe Institute of Technology (KIT) Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
| | - Mark Rutschmann
- Institute of Inorganic Chemistry (IAC) Karlsruhe Institute of Technology (KIT) Engesserstrasse 15 76131 Karlsruhe Germany
| | - Valentin W. Scheiger
- Institute of Applied Informatics and Formal Description Methods (AIFB) Karlsruhe Institute of Technology (KIT) Kaiserstrasse 89 76133 Karlsruhe Germany
| | - Alexander Grimm
- Institute for Technical Chemistry and Polymer Chemistry (ITCP) Karlsruhe Institute of Technology (KIT) Engesserstrasse 18 76131 Karlsruhe Germany
| | - Klara Urbschat
- Institute for Technical Chemistry and Polymer Chemistry (ITCP) Karlsruhe Institute of Technology (KIT) Engesserstrasse 18 76131 Karlsruhe Germany
| | - Tobias Sengpiel
- Institute for Technical Chemistry and Polymer Chemistry (ITCP) Karlsruhe Institute of Technology (KIT) Engesserstrasse 18 76131 Karlsruhe Germany
| | - Jörg Matysik
- Leipzig University Institute of Analytical Chemistry Linnéstrasse 3 04103 Leipzig Germany
| | - Manfred Wilhelm
- Institute for Technical Chemistry and Polymer Chemistry (ITCP) Karlsruhe Institute of Technology (KIT) Engesserstrasse 18 76131 Karlsruhe Germany
| | - Pavel A. Levkin
- Institute of Biological and Chemical Systems–Functional Molecular Systems (IBCS-FMS) Karlsruhe Institute of Technology (KIT) Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
- Institute for Organic Chemistry Karlsruhe Institute of Technology (KIT) Fritz-Haber-Weg 6 76313 Eggenstein-Leopoldshafen Germany
| | - Patrick Theato
- Institute for Technical Chemistry and Polymer Chemistry (ITCP) Karlsruhe Institute of Technology (KIT) Engesserstrasse 18 76131 Karlsruhe Germany
- Soft Matter Synthesis Laboratory - Institute for Biological Interfaces III (IBG-3) Karlsruhe Institute of Technology (KIT) Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
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13
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Effect of Nanosulfur Against Multidrug-Resistant Staphylococcus pseudintermedius and Pseudomonas aeruginosa. Appl Microbiol Biotechnol 2022; 106:3201-3213. [PMID: 35384449 DOI: 10.1007/s00253-022-11872-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 02/16/2022] [Accepted: 03/05/2022] [Indexed: 12/11/2022]
Abstract
Multidrug resistance (MDR) has significantly increased in the past decades and the use of nanotechnology has opened new venues for novel treatments. Nanosulfur is a potent antimicrobial agent and a cheaper alternative to other nanomaterials. However, very few studies have been published on its activity against MDR organisms. Therefore, the goal of this in vitro study was to assess cytotoxicity, antimicrobial, and anti-biofilm activity of nanosulfur (47 nm, orthorhombic) against clinical isolates of MDR Staphylococcus pseudintermedius (SP) and Pseudomonas aeruginosa (PA) in planktonic and biofilm state using canine skin explants. Nanosilver (50 nm, spherical) was tested as a comparative control. Concentrations between 1866.7 and 0.11 μg/mL of both nanoparticles were tested. The ultrastructure of nanosulfur was assessed via electron microscopy. Both types of nanoparticles showed no direct cytotoxicity on a canine keratinocyte cell line. In the planktonic phase, nanosulfur was able to inhibit or kill (6-log10 reduction of CFU) 7 of 10 MDR-SP isolates at 233.3 μg/mL, whereas, when in biofilm state, 6 of 10 isolates were killed at different concentrations (233.33 to 1866.7 μg/mL). Nanosilver did not show any antimicrobial or anti-biofilm activity at any concentrations tested. Both types of nanoparticles were ineffective against MDR-PA in either state. Ultrastructurally, nanosulfur was present in individual nanoparticles as well as forming larger nanoclusters. This is the first study showing an antimicrobial and anti-biofilm activity of nanosulfur for MDR-SP in absence of cytotoxicity. Nanosulfur has the potential to be used in veterinary and human medicine as effective, safe, and cheap alternative to antimicrobials and anti-biofilm agents currently available. KEY POINTS: • Nanosulfur is a better alternative than nanosilver to treat MDR-Staphylococci. • Nanosulfur is an effective agent against MDR-Staphyloccocal biofilm. • Canine skin explant model is reliable for testing anti-biofilm agents.
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14
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Scheiger JM, Hoffmann M, Falkenstein P, Wang Z, Rutschmann M, Scheiger VW, Grimm A, Urbschat K, Sengpiel T, Matysik J, Wilhelm M, Levkin PA, Theato P. Inverse Vulcanization of Norbornenylsilanes: Soluble Polymers with Controllable Molecular Properties via Siloxane Bonds. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202114896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Johannes Martin Scheiger
- Karlsruher Institut fur Technologie Institute of Technical Chemistry and Polymer Chemistry Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen GERMANY
| | - Maxi Hoffmann
- Karlsruhe Institute of Technology Institute of Technical Chemistry and Polymer Chemistry GERMANY
| | | | - Zhenwu Wang
- Karlsruhe Institute of Technology Institute of Biological and Chemical Systems GERMANY
| | - Mark Rutschmann
- Karlsruhe Institute of Technology Institute of Inorganic Chemistry GERMANY
| | - Valentin W. Scheiger
- Karlsruhe Institute of Technology Institute of Applied Informatics and Formal Description Methods GERMANY
| | - Alexander Grimm
- Karlsruhe Institute of Technology Institute of Technical Chemistry and Polymer Chemistry GERMANY
| | - Klara Urbschat
- Karlsruhe Institute of Technology Institute of Technical Chemistry and Polymer Chemistry GERMANY
| | - Tobias Sengpiel
- Karlsruhe Institute of Technology Institute of Technical Chemistry and Polymer Chemistry GERMANY
| | - Jörg Matysik
- Karlsruhe Institute of Technology Institute of Technical Chemistry and Polymer Chemistry GERMANY
| | - Manfred Wilhelm
- Karlsruhe Institute of Technology Institute of Technical Chemistry and Polymer Chemistry GERMANY
| | - Pavel A. Levkin
- Karlsruhe Institute of Technology Institute of Biological and Chemical Systems GERMANY
| | - Patrick Theato
- Karlruher Institut für Technologie (KIT) Präparative Makromolekulare Chemie Kaiserstr. 12 76131 Karlsruhe GERMANY
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15
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Tarasova N, Krivoborodov E, Zanin A, Toropygin I, Pascal E, Dyatlov V, Mezhuev Y. Anionic Polymerization of Ethyl 2-Cyanoacrylate Initiated by 1,3-Dimethylimidazolium (phosphonooxy-)oligosulfanide. Macromol Res 2022. [DOI: 10.1007/s13233-021-9104-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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16
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Park KW, Tafili E, Fan F, Zujovic ZD, Leitao E. Synthesis and characterization of polysulfides formed by the inverse vulcanisation of cyclosiloxanes with sulfur. Polym Chem 2022. [DOI: 10.1039/d2py00581f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Inverse vulcanisation stabilizes polysulfide chains through cross-linking. This research focuses on the incorporation of cyclosiloxane cross-linkers containing multiple alkene moieties, namely tetravinyl-tetramethyl-cyclotetrasiloxane (TVTSi) and pentavinyl-pentamethyl-cyclopentasiloxane (PVPSi). Both siloxanes underwent successful...
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17
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Purohit VB, Pięta M, Pietrasik J, Plummer CM. Recent advances in the ring-opening polymerization of sulfur-containing monomers. Polym Chem 2022. [DOI: 10.1039/d2py00831a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Inspired by the broad range of applications for sulfur-containing polymers, this article presents an overview regarding various ROP technologies (ROP/rROP/ROMP) which cement the importance of sulfur-containing monomers in modern polymer chemistry.
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Affiliation(s)
- Vishal B. Purohit
- International Centre for Research on Innovative Biobased Materials (ICRI-BioM)—International Research Agenda, Lodz University of Technology, Zeromskiego 116, 90-924 Lodz, Poland
| | - Marlena Pięta
- International Centre for Research on Innovative Biobased Materials (ICRI-BioM)—International Research Agenda, Lodz University of Technology, Zeromskiego 116, 90-924 Lodz, Poland
| | - Joanna Pietrasik
- Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924 Lodz, Poland
| | - Christopher M. Plummer
- International Centre for Research on Innovative Biobased Materials (ICRI-BioM)—International Research Agenda, Lodz University of Technology, Zeromskiego 116, 90-924 Lodz, Poland
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18
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Lee T, Dirlam PT, Njardarson JT, Glass RS, Pyun J. Polymerizations with Elemental Sulfur: From Petroleum Refining to Polymeric Materials. J Am Chem Soc 2021; 144:5-22. [PMID: 34936350 DOI: 10.1021/jacs.1c09329] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The production of elemental sulfur from petroleum refining has created a technological opportunity to increase the valorization of elemental sulfur by the synthesis of high-performance sulfur-based plastics with improved optical, electrochemical, and mechanical properties aimed at applications in thermal imaging, energy storage, self-healable materials, and separation science. In this Perspective, we discuss efforts in the past decade that have revived this area of organosulfur and polymer chemistry to afford a new class of high-sulfur-content polymers prepared from the polymerization of liquid sulfur with unsaturated monomers, termed inverse vulcanization.
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Affiliation(s)
- Taeheon Lee
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
| | - Philip T Dirlam
- Department of Chemistry, San José State University, San Jose, California 95195-0101, United States
| | - Jon T Njardarson
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
| | - Richard S Glass
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
| | - Jeffrey Pyun
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
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19
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Dop RA, Neill DR, Hasell T. Antibacterial Activity of Inverse Vulcanized Polymers. Biomacromolecules 2021; 22:5223-5233. [PMID: 34784205 PMCID: PMC7614836 DOI: 10.1021/acs.biomac.1c01138] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Inverse vulcanization is a bulk polymerization method for synthesizing high sulfur content polymers from elemental sulfur, a byproduct of the petrochemical industry, with vinylic comonomers. There is growing interest in polysulfides as novel antimicrobial agents due to the antimicrobial activity of natural polysulfides found in garlic and onions (Tsao et al. J. Antimicrob. Chemother. 2001, 47, 665-670). Herein, we report the antibacterial properties of several inverse vulcanized polymers against Gram-positive Staphylococcus aureus and Gram-negative Pseudomonas aeruginosa, two common causes of nosocomial infection and pathogens identified by the World Health Organization as priorities for antimicrobial development. High sulfur content polymers were synthesized with different divinyl comonomers and at different sulfur/comonomer ratios, to determine the effect of such variables on the antibacterial properties of the resulting materials. Furthermore, polymers were tested for their potential as antibacterial materials at different temperatures. It was found that the test temperature influenced the antibacterial efficacy of the polymers and could be related to the glass transition temperature of the polymer. These findings provide further understanding of the antibacterial properties of inverse vulcanized polymers and show that such polymers have the potential to be used as antibacterial surfaces.
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Affiliation(s)
- Romy A Dop
- Department of Chemistry, University of Liverpool, Liverpool L69 7ZD, United Kingdom
| | - Daniel R Neill
- Department of Clinical Infection, Microbiology and Immunology, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool L69 7ZD, United Kingdom
| | - Tom Hasell
- Department of Chemistry, University of Liverpool, Liverpool L69 7ZD, United Kingdom
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20
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Petcher S, Zhang B, Hasell T. Mesoporous knitted inverse vulcanised polymers. Chem Commun (Camb) 2021; 57:5059-5062. [PMID: 33884394 DOI: 10.1039/d1cc01152a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Elemental sulfur is generated in large quantities when crude oil is refined. This elemental sulfur has limited use other than the production of sulfuric acid. Recently, the development of 'inverse vulcanised' polymers has attracted the attention of researchers. These polymers are formed from elemental sulfur and a small molecule alkene. The affinity of sulfur for heavy metals gives these polymers potential for specific adsorption; however, there is a lack of incorporation of high specific surface areas in pure polymers. Herein, we report the first mesoporous polymer generated using inverse vulcanised polymers, with a BET surface area of 236.04 m2 g-1. We explore the properties of polymers as an absorption medium for potent neurotoxin Hg(ii).
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Affiliation(s)
- Samuel Petcher
- Department of Chemistry, University of Liverpool, Crown Street, Liverpool L69 7ZD, UK.
| | - Bowen Zhang
- Department of Chemistry, University of Liverpool, Crown Street, Liverpool L69 7ZD, UK.
| | - Tom Hasell
- Department of Chemistry, University of Liverpool, Crown Street, Liverpool L69 7ZD, UK.
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21
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Geven M, d'Arcy R, Turhan ZY, El-Mohtadi F, Alshamsan A, Tirelli N. Sulfur-based oxidation-responsive polymers. Chemistry, (chemically selective) responsiveness and biomedical applications. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110387] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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22
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Tarasova NP, Zanin AA, Krivoborodov EG, Mezhuev YO. Elemental sulphur in the synthesis of sulphur-containing polymers: reaction mechanisms and green prospects. RSC Adv 2021; 11:9008-9020. [PMID: 35423353 PMCID: PMC8695231 DOI: 10.1039/d0ra10507d] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 02/22/2021] [Indexed: 11/25/2022] Open
Abstract
The synthesis of polymers using elemental sulphur as a chemical agent has been studied in relation to the worldwide overproduction of cyclo-octasulphur. Herein, the mechanisms of the processes leading to the inclusion of elemental sulphur into macromolecules have been reviewed and the main methods for reduction of the reaction temperature required for the S8 ring opening have been shown. Approaches to the activation of cyclo-octasulphur in the synthesis and macromolecule cross-linking reactions were discussed in the context of finding the chemical agents and conditions that satisfy the principles of green chemistry.
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Affiliation(s)
- Natalia P Tarasova
- Dmitry Mendeleev University of Chemical Technology of Russia Miusskaya Sq. 9 Moscow 125047 Russia
| | - Alexey A Zanin
- Dmitry Mendeleev University of Chemical Technology of Russia Miusskaya Sq. 9 Moscow 125047 Russia
| | - Efrem G Krivoborodov
- Dmitry Mendeleev University of Chemical Technology of Russia Miusskaya Sq. 9 Moscow 125047 Russia
| | - Yaroslav O Mezhuev
- Dmitry Mendeleev University of Chemical Technology of Russia Miusskaya Sq. 9 Moscow 125047 Russia
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23
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Silvano S, Carrozza CF, de Angelis AR, Tritto I, Boggioni L, Losio S. Synthesis of Sulfur-rich Polymers: Copolymerization of Cyclohexene Sulfide and Carbon Disulfide Using Chromium Complexes. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c01555] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Selena Silvano
- CNR-SCITEC, Institute of Chemical Science and Technologies “G. Natta”, via A. Corti 12, 20133 Milano, Italy
- Department of Materials Science of University of Milano Bicocca, via R. Cozzi 55, 20125 Milano, Italy
| | - Chiara Francesca Carrozza
- CNR-SCITEC, Institute of Chemical Science and Technologies “G. Natta”, via A. Corti 12, 20133 Milano, Italy
| | | | - Incoronata Tritto
- CNR-SCITEC, Institute of Chemical Science and Technologies “G. Natta”, via A. Corti 12, 20133 Milano, Italy
| | - Laura Boggioni
- CNR-SCITEC, Institute of Chemical Science and Technologies “G. Natta”, via A. Corti 12, 20133 Milano, Italy
| | - Simona Losio
- CNR-SCITEC, Institute of Chemical Science and Technologies “G. Natta”, via A. Corti 12, 20133 Milano, Italy
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24
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Scheiger JM, Direksilp C, Falkenstein P, Welle A, Koenig M, Heissler S, Matysik J, Levkin PA, Theato P. Inverse Vulcanization of Styrylethyltrimethoxysilane-Coated Surfaces, Particles, and Crosslinked Materials. Angew Chem Int Ed Engl 2020; 59:18639-18645. [PMID: 32627908 PMCID: PMC7589442 DOI: 10.1002/anie.202006522] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Indexed: 11/09/2022]
Abstract
Sulfur as a side product of natural gas and oil refining is an underused resource. Converting landfilled sulfur waste into materials merges the ecological imperative of resource efficiency with economic considerations. A strategy to convert sulfur into polymeric materials is the inverse vulcanization reaction of sulfur with alkenes. However, the materials formed are of limited applicability, because they need to be cured at high temperatures (>130 °C) for many hours. Herein, we report the reaction of elemental sulfur with styrylethyltrimethoxysilane. Marrying the inverse vulcanization and silane chemistry yielded high sulfur content polysilanes, which could be cured via room temperature polycondensation to obtain coated surfaces, particles, and crosslinked materials. The polycondensation was triggered by hydrolysis of poly(sulfur-r-styrylethyltrimethoxysilane) (poly(Sn -r-StyTMS) under mild conditions (HCl, pH 4). For the first time, an inverse vulcanization polymer could be conveniently coated and mildly cured via post-polycondensation. Silica microparticles coated with the high sulfur content polymer could improve their Hg2+ ion remediation capability.
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Affiliation(s)
- Johannes M Scheiger
- Institute of Chemical Technology and Polymer Chemistry, Karlsruhe Institute of Technology (KIT), Engesserstrasse 20, 76131, Karlsruhe, Germany
- Institute of Biological and Chemical Systems-Functional Materials Systems (IBCS-FMS), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Chatrawee Direksilp
- The Petroleum and Petrochemical College (PPC), Chulalongkorn University, Soi Chulalongkorn 12, Phayathai road, Pathumwan, Bangkok, 10330, Thailand
| | - Patricia Falkenstein
- Institute of Analytical Chemistry, Leipzig University, Linnéstrasse 3, 04103, Leipzig, Germany
| | - Alexander Welle
- Institute of Functional Interfaces (IFG), Karlsruhe Institute of Technology (Campus North), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
- Karlsruhe Nano Micro Facility (KNMF), Karlsruhe Institute of Technology (Campus North), Germany
| | - Meike Koenig
- Institute of Functional Interfaces (IFG), Karlsruhe Institute of Technology (Campus North), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Stefan Heissler
- Institute of Functional Interfaces (IFG), Karlsruhe Institute of Technology (Campus North), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Jörg Matysik
- Institute of Analytical Chemistry, Leipzig University, Linnéstrasse 3, 04103, Leipzig, Germany
| | - Pavel A Levkin
- Institute of Biological and Chemical Systems-Functional Materials Systems (IBCS-FMS), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Patrick Theato
- Institute of Chemical Technology and Polymer Chemistry, Karlsruhe Institute of Technology (KIT), Engesserstrasse 20, 76131, Karlsruhe, Germany
- Soft Matter Synthesis Laboratory, Institute for Biological Interfaces III, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
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25
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Scheiger JM, Direksilp C, Falkenstein P, Welle A, Koenig M, Heissler S, Matysik J, Levkin PA, Theato P. Inverse Vulcanization of Styrylethyltrimethoxysilane–Coated Surfaces, Particles, and Crosslinked Materials. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202006522] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Johannes M. Scheiger
- Institute of Chemical Technology and Polymer Chemistry Karlsruhe Institute of Technology (KIT) Engesserstrasse 20 76131 Karlsruhe Germany
- Institute of Biological and Chemical Systems—Functional Materials Systems (IBCS-FMS) Karlsruhe Institute of Technology (KIT) Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
| | - Chatrawee Direksilp
- The Petroleum and Petrochemical College (PPC) Chulalongkorn University Soi Chulalongkorn 12, Phayathai road, Pathumwan Bangkok 10330 Thailand
| | - Patricia Falkenstein
- Institute of Analytical Chemistry Leipzig University Linnéstrasse 3 04103 Leipzig Germany
| | - Alexander Welle
- Institute of Functional Interfaces (IFG) Karlsruhe Institute of Technology (Campus North) Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
- Karlsruhe Nano Micro Facility (KNMF) Karlsruhe Institute of Technology (Campus North) Germany
| | - Meike Koenig
- Institute of Functional Interfaces (IFG) Karlsruhe Institute of Technology (Campus North) Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
| | - Stefan Heissler
- Institute of Functional Interfaces (IFG) Karlsruhe Institute of Technology (Campus North) Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
| | - Jörg Matysik
- Institute of Analytical Chemistry Leipzig University Linnéstrasse 3 04103 Leipzig Germany
| | - Pavel A. Levkin
- Institute of Biological and Chemical Systems—Functional Materials Systems (IBCS-FMS) Karlsruhe Institute of Technology (KIT) Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
| | - Patrick Theato
- Institute of Chemical Technology and Polymer Chemistry Karlsruhe Institute of Technology (KIT) Engesserstrasse 20 76131 Karlsruhe Germany
- Soft Matter Synthesis Laboratory Institute for Biological Interfaces III Karlsruhe Institute of Technology (KIT) Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany
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26
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Lundquist NA, Tikoalu AD, Worthington MJH, Shapter R, Tonkin SJ, Stojcevski F, Mann M, Gibson CT, Gascooke JR, Karton A, Henderson LC, Esdaile LJ, Chalker JM. Reactive Compression Molding Post-Inverse Vulcanization: A Method to Assemble, Recycle, and Repurpose Sulfur Polymers and Composites. Chemistry 2020; 26:10035-10044. [PMID: 32428387 DOI: 10.1002/chem.202001841] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 05/09/2020] [Indexed: 11/09/2022]
Abstract
Inverse vulcanization provides dynamic and responsive materials made from elemental sulfur and unsaturated cross-linkers. These polymers have been used in a variety of applications such as energy storage, infrared optics, repairable materials, environmental remediation, and precision fertilizers. In spite of these advances, there is a need for methods to recycle and reprocess these polymers. In this study, polymers prepared by inverse vulcanization are shown to undergo reactive compression molding. In this process, the reactive interfaces of sulfur polymers are brought into contact by mechanical compression. Upon heating these molds at relatively low temperatures (≈100 °C), chemical bonding occurs at the polymer interfaces by S-S metathesis. This method of processing is distinct from previous studies on inverse vulcanization because the polymers examined in this study do not form a liquid phase when heated. Neither compression nor heating alone was sufficient to mold these polymers into new architectures, so this is a new concept in the manipulation of sulfur polymers. Additionally, high-level ab initio calculations revealed that the weakest S-S bond in organic polysulfides decreases linearly in strength from a sulfur rank of 2 to 4, but then remains constant at about 100 kJ mol-1 for higher sulfur rank. This is critical information in engineering these polymers for S-S metathesis. Guided by this insight, polymer repair, recycling, and repurposing into new composites was demonstrated.
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Affiliation(s)
- Nicholas A Lundquist
- Institute for Nanoscale Science and Technology, College of Science and Engineering, Flinders University, Sturt Road, Bedford Park, Adelaide, South Australia, 5042, Australia
| | - Alfrets D Tikoalu
- Institute for Nanoscale Science and Technology, College of Science and Engineering, Flinders University, Sturt Road, Bedford Park, Adelaide, South Australia, 5042, Australia
| | - Max J H Worthington
- Institute for Nanoscale Science and Technology, College of Science and Engineering, Flinders University, Sturt Road, Bedford Park, Adelaide, South Australia, 5042, Australia
| | - Ryan Shapter
- Institute for Nanoscale Science and Technology, College of Science and Engineering, Flinders University, Sturt Road, Bedford Park, Adelaide, South Australia, 5042, Australia
| | - Samuel J Tonkin
- Institute for Nanoscale Science and Technology, College of Science and Engineering, Flinders University, Sturt Road, Bedford Park, Adelaide, South Australia, 5042, Australia
| | - Filip Stojcevski
- Institute for Frontier Materials, Deakin University, Pigdons Road, Waurn Ponds Campus, Geelong, Victoria, 3216, Australia
| | - Maximilian Mann
- Institute for Nanoscale Science and Technology, College of Science and Engineering, Flinders University, Sturt Road, Bedford Park, Adelaide, South Australia, 5042, Australia
| | - Christopher T Gibson
- Flinders Microscopy and Microanalysis, College of Science and Engineering, Flinders University, Bedford Park, Adelaide, South Australia, 5042, Australia
| | - Jason R Gascooke
- Institute for Nanoscale Science and Technology, College of Science and Engineering, Flinders University, Sturt Road, Bedford Park, Adelaide, South Australia, 5042, Australia
| | - Amir Karton
- School of Molecular Sciences, University of Western Australia, Perth, Western Australia, 6009, Australia
| | - Luke C Henderson
- Institute for Frontier Materials, Deakin University, Pigdons Road, Waurn Ponds Campus, Geelong, Victoria, 3216, Australia
| | - Louisa J Esdaile
- Institute for Nanoscale Science and Technology, College of Science and Engineering, Flinders University, Sturt Road, Bedford Park, Adelaide, South Australia, 5042, Australia
| | - Justin M Chalker
- Institute for Nanoscale Science and Technology, College of Science and Engineering, Flinders University, Sturt Road, Bedford Park, Adelaide, South Australia, 5042, Australia
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