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Li B, Zhang J, Zhu Q, Xiang T, Wang R, Hu T, Jin R, Yang J. Nanoreactor of Fe, N Co-Doped Hollow Carbon Spheres for Oxygen Reduction Catalysis. Inorg Chem 2023; 62:6510-6517. [PMID: 37027781 DOI: 10.1021/acs.inorgchem.3c00582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2023]
Abstract
A simple template strategy was applied to prepare a Fe, N co-doped hollow carbon (Fe-NHC) nanoreactor for the oxygen reduction reaction (ORR) by coating Fe nanoparticles (Fe-NPs) with polydopamine (PDA), followed by high temperature pyrolysis and acid-leaching. With this method, Fe-NPs were used as both the template and the metal precursor, so that the nanoreactors can preserve the original spherical morphology and embed Fe single atoms on the inner walls. The carbonized PDA contained abundant N content, offering an ideal coordination environment for Fe atoms. By regulating the mass ratio of Fe-NPs and PDA, an optimal sample with a carbon layer thickness of 12 nm (Fe-NHC-3) was obtained. The hollow spherical structure of the nanoreactors and the atomically dispersed Fe were verified by various physical characterizations. As a result, Fe-NHC-3 performed well in ORR tests under alkaline conditions, with high catalytic activity, durability, and methanol resistance, demonstrating that the as-fabricated materials have the potential to be applied in the cathodic catalysis of fuel cells.
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Affiliation(s)
- Bing Li
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Jiali Zhang
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Qingchao Zhu
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Tingting Xiang
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Ruibo Wang
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Tieyu Hu
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Ran Jin
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Juan Yang
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
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2
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Sun M, Gao P, Wang B, Li X, Shao D, Xu Y, Li L, Li Y, Zhu J, Li W, Xue Y. Polydopamine-functionalized selenium nanoparticles as an efficient photoresponsive antibacterial platform. RSC Adv 2023; 13:9998-10004. [PMID: 37006374 PMCID: PMC10052771 DOI: 10.1039/d2ra07737j] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 02/18/2023] [Indexed: 03/31/2023] Open
Abstract
A photoresponsive therapeutic antibacterial platform was designed and constructed using polydopamine-functionalized selenium nanoparticles as a carrier loaded with indocyanine green (Se@PDA-ICG). The therapeutic platform was confirmed by characterization and the antibacterial activity of Se@PDA-ICG against Staphylococcus aureus (S. aureus) and Escherichia coli (E. coli) was investigated. Under 808 nm laser irradiation, the antibacterial rate of Se@PDA-ICG against E. coli and S. aureus was 100% at 125 μg mL-1. Furthermore, in a mouse wound infection model, the wound closure rate of the Se@PDA-ICG photoresponse group was 88.74% compared with 45.8% for the control group after 8 days of treatment, indicating that it could effectively kill bacteria and dramatically accelerate the wound healing process. These results suggested that Se@PDA-ICG could be a promising photo-activated antibacterial candidate material for biomedical applications.
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Affiliation(s)
- Meng Sun
- School of Chemistry and Environmental Engineering, Changchun University of Science and Technology Changchun 130022 China
- Zhongshan Institute of Changchun University of Science and Technology Zhongshan 528437 China
| | - Ping Gao
- School of Chemistry and Environmental Engineering, Changchun University of Science and Technology Changchun 130022 China
| | - Bao Wang
- School of Chemistry and Environmental Engineering, Changchun University of Science and Technology Changchun 130022 China
| | - Xiangyang Li
- School of Chemistry and Environmental Engineering, Changchun University of Science and Technology Changchun 130022 China
| | - Donghan Shao
- School of Chemistry and Environmental Engineering, Changchun University of Science and Technology Changchun 130022 China
| | - Yan Xu
- School of Chemistry and Environmental Engineering, Changchun University of Science and Technology Changchun 130022 China
| | - Leijiao Li
- School of Chemistry and Environmental Engineering, Changchun University of Science and Technology Changchun 130022 China
- Zhongshan Institute of Changchun University of Science and Technology Zhongshan 528437 China
| | - Yunhui Li
- School of Chemistry and Environmental Engineering, Changchun University of Science and Technology Changchun 130022 China
- Zhongshan Institute of Changchun University of Science and Technology Zhongshan 528437 China
| | - Jianwei Zhu
- Zhongshan Institute of Changchun University of Science and Technology Zhongshan 528437 China
| | - Wenliang Li
- School of Chemistry and Environmental Engineering, Changchun University of Science and Technology Changchun 130022 China
- Jilin Medical University Jilin 132013 China
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3
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Wu X, Li Z, Tian Y, Lu Y, Jiang H, Liu L, Gai L. Grinding to produce polydopamine-modified polypyrrole nanotubes with enhanced performance for sodium-ion capacitor. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.141338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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4
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Kapoor U, Jayaraman A. Impact of Polydopamine Nanoparticle Surface Pattern and Roughness on Interactions with Poly(ethylene glycol) in Aqueous Solution: A Multiscale Modeling and Simulation Study. J Phys Chem B 2022; 126:6301-6313. [PMID: 35969690 DOI: 10.1021/acs.jpcb.2c03151] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A significant research effort in the past few years has been devoted to engineering synthetic mimics of naturally occurring eumelanin. One such effort has involved the assembly of oligomers of 5,6-dihydroxyindole (DHI), a synthetic precursor of polydopamine (PDA), into melanin-mimicking nanoparticles for use in a variety of applications with desired optical, photonic, thermal, and electrical properties. In many of these applications, the PDA nanoparticles are mixed with other polymers or oligomers, thus motivating this specific study to understand how the surface characteristics of the assembled PDA-nanoparticles affect their interaction with poly(ethylene glycol) (PEG) chains in aqueous solution. We use molecular dynamics (MD) simulations to study the interaction of linear 20-mer PEG chains with different PDA-nanoparticles assembled using four types of oligomers of 5,6-DHI: two isomers of 5,6-DHI 2-mers with the monomers bonding either at the 2-2' position (A-type isomer) or 7-7' position (B-type isomer), denoted as A:2-mer and B:2-mer, respectively, and a 4-mer and an 8-mer of B-type chemistry denoted as B:4-mer and B:8-mer, respectively. Using explicit-solvent atomistic MD simulations, we find that PDA-nanoparticle surfaces assembled from B:8-mer exhibit smaller density fluctuations of water molecules and, as a result, are relatively more hydrophilic than the PDA-nanoparticle surfaces assembled from A:2-mer, B:2-mer, and B:4-mer. The surface composition of PDA-nanoparticles assembled from A:2-mer contains relatively fewer hydroxyl (-OH) groups compared to PDA-nanoparticles assembled from a B:2-mer, B:4-mer, or B:8-mer, yet the sample of PEG chains show more collapsed and adsorbed conformations on A:2-mer nanoparticles' surface. To explain the atomistically observed behavior of PEG chains on the nanoparticles' surfaces, we use coarse-grained (CG) MD simulations and explain the roles of the pattern formed by the attractive sites (e.g.,-OH groups) exposed on the surface and the roughness of the surface on interactions with a genric PEG-like copolymer chain. By comparing atomistic and CG MD simulation results, we confirm that the -OH groups' pattern on the surface of the PDA-nanoparticle assembled from A:2-mer is patchier than the random or string-like patterns on the PDA-nanoparticle assembled from B:2-mer, B:4-mer, or B:8-mer, and it is this -OH groups' surface pattern that dictates the PEG chain conformations and adsorption on the PDA-nanoparticle surface. Overall, these results guide the design of chemically and physically heterogeneous nanoparticle surfaces for the desired polymer interaction and conformations.
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Affiliation(s)
- Utkarsh Kapoor
- Department of Chemical and Biomolecular Engineering, Colburn Laboratory, University of Delaware, 150 Academy Street, Newark, Delaware 19716, United States
| | - Arthi Jayaraman
- Department of Chemical and Biomolecular Engineering, Colburn Laboratory, University of Delaware, 150 Academy Street, Newark, Delaware 19716, United States.,Department of Materials Science and Engineering, University of Delaware, Newark, Delaware 19716, United States
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5
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Khagar P, Bagde AD, Sarode B, Maldhure AV, Wankhade AV. Organophosphate eradication by phytochemical cocktail stabilized biocompatible silver nanoparticles loaded polydopamine via peroxidase mimicking activity. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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6
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Kunfi A, Ábrahám Á, Gyulai G, Kiss É, London G. Light‐Induced and Thermal Isomerization of Azobenzenes on Immobilized Gold Nanoparticle Aggregates. Chempluschem 2022; 87:e202200153. [DOI: 10.1002/cplu.202200153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 06/24/2022] [Indexed: 11/07/2022]
Affiliation(s)
- Attila Kunfi
- Research Centre for Natural Sciences: Termeszettudomanyi Kutatokozpont Institute of Organic Chemistry HUNGARY
| | - Ágnes Ábrahám
- Eötvös Loránd Tudományegyetem: Eotvos Lorand Tudomanyegyetem Laboratory of Interfaces and Nanostructures HUNGARY
| | - Gergő Gyulai
- Eötvös Loránd Tudományegyetem: Eotvos Lorand Tudomanyegyetem Laboratory of Interfaces and Nanostructures HUNGARY
| | - Éva Kiss
- Eötvös Loránd Tudományegyetem: Eotvos Lorand Tudomanyegyetem Laboratory of Interfaces and Nanostructures HUNGARY
| | - Gabor London
- Research Centre for Natural Sciences Institute of Organic Chemistry Magyar tudósok körűtja 2. 1117 Budapest HUNGARY
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Tong H, Cao C, You M, Han S, Liu Z, Xiao Y, He W, Liu C, Peng P, Xue Z, Gong Y, Yao C, Xu F. Artificial intelligence-assisted colorimetric lateral flow immunoassay for sensitive and quantitative detection of COVID-19 neutralizing antibody. Biosens Bioelectron 2022; 213:114449. [PMID: 35696869 PMCID: PMC9174064 DOI: 10.1016/j.bios.2022.114449] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 05/14/2022] [Accepted: 05/31/2022] [Indexed: 11/19/2022]
Abstract
Currently, vaccination is the most effective medical measure to improve group immunity and prevent the rapid spread of COVID-19. Since the individual difference of vaccine effectiveness is inevitable, it is necessary to evaluate the vaccine effectiveness of every vaccinated person to ensure the appearance of herd immunity. Here, we developed an artificial intelligent (AI)-assisted colorimetric polydopamine nanoparticle (PDA)-based lateral flow immunoassay (LFIA) platform for the sensitive and accurate quantification of neutralizing antibodies produced from vaccinations. The platform integrates PDA-based LFIA and a smartphone-based reader to test the neutralizing antibodies in serum, where an AI algorithm is also developed to accurately and quantitatively analyze the results. The developed platform achieved a quantitative detection with 160 ng/mL of detection limit and 625-10000 ng/mL of detection range. Moreover, it also successfully detected totally 50 clinical serum samples, revealing a great consistency with the commercial ELISA kit. Comparing with commercial gold nanoparticle-based LFIA, our PDA-based LFIA platform showed more accurate quantification ability for the clinical serum. Therefore, we envision that the AI-assisted PDA-based LFIA platform with sensitive and accurate quantification ability is of great significance for large-scale evaluation of vaccine effectiveness and other point-of-care immunoassays.
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Affiliation(s)
- Haoyang Tong
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, PR China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, PR China
| | - Chaoyu Cao
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, PR China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, PR China
| | - Minli You
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, PR China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, PR China.
| | - Shuang Han
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, PR China; Department of Gastroenterology of Honghui Hospital, Xi'an, 710054, PR China
| | - Zhe Liu
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, PR China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, PR China; Department of Rehabilitation Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, PR China
| | - Ying Xiao
- Clinical Laboratory, Xi'an Jiaotong University School Hospital, Xi'an, 710061, PR China
| | - Wanghong He
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, PR China; Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi'an Jiaotong University, Xi'an, 710049, PR China
| | - Chang Liu
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, PR China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, PR China
| | - Ping Peng
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, PR China; Department of Transfusion Medicine, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, PR China
| | - Zhenrui Xue
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, PR China; Department of Transfusion Medicine, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, PR China
| | - Yan Gong
- Diyinan Biotech Company, Suzhou, 215000, PR China
| | - Chunyan Yao
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, PR China; Department of Transfusion Medicine, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, 400038, PR China
| | - Feng Xu
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, PR China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, PR China.
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8
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Topolniak I, Elert AM, Knigge X, Ciftci GC, Radnik J, Sturm H. High-Precision Micropatterning of Polydopamine by Multiphoton Lithography. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2109509. [PMID: 35299285 DOI: 10.1002/adma.202109509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 03/04/2022] [Indexed: 06/14/2023]
Abstract
Mussel-inspired polydopamine (PDA) initiates a multifunctional modification route that leads to the generation of novel advanced materials and their applications. However, existing PDA deposition techniques still exhibit poor spatial control, have a very limited capability of micropatterning, and do not allow local tuning of the PDA topography. Herein, PDA deposition based on multiphoton lithography (MPL) is demonstrated, which enables full spatial and temporal control with nearly total freedom of patterning design. Using MPL, 2D microstructures of complex design are achieved with pattern precision of 0.8 µm without the need of a photomask or stamp. Moreover, this approach permits adjusting the morphology and thickness of the fabricated microstructure within one deposition step, resulting in a unique tunability of material properties. The chemical composition of PDA is confirmed and its ability for protein enzyme immobilization is demonstrated. This work presents a new methodology for high-precision and complete control of PDA deposition, enabling PDA incorporation in applications where fine and precise local surface functionalization is required. Possible applications include multicomponent functional elements and devices in microfluidics or lab-on-a-chip systems.
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Affiliation(s)
- Ievgeniia Topolniak
- BAM Bundesanstalt für Materialforschung und -prüfung, Unter den Eichen 87, 12205, Berlin, Germany
| | - Anna Maria Elert
- BAM Bundesanstalt für Materialforschung und -prüfung, Unter den Eichen 87, 12205, Berlin, Germany
| | - Xenia Knigge
- BAM Bundesanstalt für Materialforschung und -prüfung, Unter den Eichen 87, 12205, Berlin, Germany
| | - Goksu Cinar Ciftci
- Materials and Surface Design, RISE Research Institutes of Sweden, Stockholm, 114 28, Sweden
| | - Jörg Radnik
- BAM Bundesanstalt für Materialforschung und -prüfung, Unter den Eichen 87, 12205, Berlin, Germany
| | - Heinz Sturm
- BAM Bundesanstalt für Materialforschung und -prüfung, Unter den Eichen 87, 12205, Berlin, Germany
- TU Berlin, IWF, Pascalstr. 8-9, 10587, Berlin, Germany
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9
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Dong L, Wang Y, Zhang W, Mo L, Zhang Z. Nickel supported on magnetic biochar as a highly efficient and recyclable heterogeneous catalyst for the one‐pot synthesis of spirooxindole‐dihydropyridines. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6667] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Li‐Na Dong
- Hebei Key Laboratory of Organic Functional Molecules, National Experimental Chemistry Teaching Center, College of Chemistry and Materials Science Hebei Normal University Shijiazhuang Hebei P. R. China
| | - Ya‐Meng Wang
- Hebei Key Laboratory of Organic Functional Molecules, National Experimental Chemistry Teaching Center, College of Chemistry and Materials Science Hebei Normal University Shijiazhuang Hebei P. R. China
| | - Wan‐Lu Zhang
- Hebei Key Laboratory of Organic Functional Molecules, National Experimental Chemistry Teaching Center, College of Chemistry and Materials Science Hebei Normal University Shijiazhuang Hebei P. R. China
| | - Li‐Ping Mo
- Hebei Key Laboratory of Organic Functional Molecules, National Experimental Chemistry Teaching Center, College of Chemistry and Materials Science Hebei Normal University Shijiazhuang Hebei P. R. China
| | - Zhan‐Hui Zhang
- Hebei Key Laboratory of Organic Functional Molecules, National Experimental Chemistry Teaching Center, College of Chemistry and Materials Science Hebei Normal University Shijiazhuang Hebei P. R. China
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10
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Characterization and Kinetic Study of Immobilized of Phenylalanine Dehydrogenase on Metal Ions Coordinated Polydopamine-Coated MWNTs. Biochem Eng J 2022. [DOI: 10.1016/j.bej.2022.108370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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11
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Feinberg H, Hanks TW. Polydopamine: a bioinspired adhesive and surface modification platform. POLYM INT 2022. [DOI: 10.1002/pi.6358] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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12
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Calabrese C, Liotta LF, Soumoy L, Aprile C, Giacalone F, Gruttadauria M. New Hybrid Organic‐inorganic Multifunctional Materials Based on Polydopamine‐like Chemistry. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100443] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Carla Calabrese
- Department of Biological Chemical and Pharmaceutical Sciences and Technologies University of Palermo Viale delle Scienze, Ed. 17 90128 Palermo Italy
| | - Leonarda Francesca Liotta
- Istituto per lo Studio dei Materiali Nanostrutturati ISMN-CNR Via Ugo La Malfa 153 90146 Palermo Italy
| | - Loraine Soumoy
- Laboratory of Applied Materials Chemistry (CMA) Department of Chemistry University of Namur 61 rue de Bruxelles 5000 Namur Belgium
| | - Carmela Aprile
- Laboratory of Applied Materials Chemistry (CMA) Department of Chemistry University of Namur 61 rue de Bruxelles 5000 Namur Belgium
| | - Francesco Giacalone
- Department of Biological Chemical and Pharmaceutical Sciences and Technologies University of Palermo Viale delle Scienze, Ed. 17 90128 Palermo Italy
| | - Michelangelo Gruttadauria
- Department of Biological Chemical and Pharmaceutical Sciences and Technologies University of Palermo Viale delle Scienze, Ed. 17 90128 Palermo Italy
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Highly efficient porous magnetic polydopamine/copper phosphate with three-dimensional hierarchical nanoflower morphology as a selective platform for recombinant proteins separation. Colloids Surf B Biointerfaces 2021; 209:112149. [PMID: 34653906 DOI: 10.1016/j.colsurfb.2021.112149] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 09/27/2021] [Accepted: 09/30/2021] [Indexed: 01/02/2023]
Abstract
The separation and purification of recombinant pharmaceutical proteins is a fundamental and challenging step in the biotechnology industry. Hierarchical nanostructures with unique features and high stability can be used as efficient adsorbents. In this study, hierarchical magnetic polydopamine-copper phosphate nanoflowers (Cu-PDA MNFs) were synthesized as high-performance magnetic adsorbents in a simple and low-cost method based on green chemistry. The prepared hybrid Cu-PDA MNFs revealed great performance for separating pure recombinant human growth hormone (rhGH) and the rhGH acquired from recombinant Pichia pastoris yeast fermentation. The analysis confirmed that Cu-PDA MNFs exhibited a high adsorption capacity of 257.4 mg rhGH g-1 Cu-PDA MNFs and a fast adsorption rate for approaching the adsorption equilibrium within less than 30 min with a recovery efficiency of 74% of rhGH from the real sample. In addition, recycling tests demonstrated the stability and recyclability of Cu-PDA MNFs for at least six cycles with almost constant adsorption capacity and no toxicity. Based on these results, Cu-PDA MNFs could be considered as a promising candidate for separation and purification of rhGH. This work presents a new approach to using organic-inorganic nanoflowers as the hierarchical nanostructure for purification of pharmaceutical proteins with high performance.
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14
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Cheng C, Lu Y, Ma W, Li S, Yan J, Du S. Preparation and characterization of polydopamine/melamine microencapsulated red phosphorus and its flame retardance in epoxy resin. RSC Adv 2021; 11:20391-20402. [PMID: 35479930 PMCID: PMC9034026 DOI: 10.1039/d1ra03164c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 06/02/2021] [Indexed: 11/21/2022] Open
Abstract
Polydopamine/melamine composite microencapsulated red phosphorus (RP@PDA/MA) was prepared and applied as the flame retardant for epoxy resin (EP) in this work. For comparison, polydopamine (PDA) coated red phosphorus (RP@PDA) was also prepared. The microstructure, chemical composition and thermal decomposition of the as prepared samples were systematically characterized. The results showed that PDA and PDA/MA shell structures were fabricated successfully via convenient water-based processes at room temperature. The flame retardance of red phosphorus (RP), RP@PDA, and RP@PDA/MA on EP was evaluated. The results showed that EP blending with 7 wt% RP@PDA/MA passed V-0 degree in the vertical burning test (UL-94), reached a limited oxygen index (LOI) of 30.9% and decreased the peak heat release rate of EP by 65.1% in the cone calorimeter test. The satisfactory flame retardance can be attributed to the intumescent flame retardant system consisting of RP@PDA/MA. The PDA and PDA/MA shell structures also improved the compatibility between RP and EP, thus RP@PDA and RP@PDA/MA had less significant impact on the tensile-strain properties of EP.
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Affiliation(s)
- Chen Cheng
- Army Engineering University of PLA-Shijiazhuang Campus Shijiazhuang Hebei 050003 P. R. China
| | - Yanling Lu
- Army Engineering University of PLA-Shijiazhuang Campus Shijiazhuang Hebei 050003 P. R. China
| | - Weining Ma
- Army Engineering University of PLA-Shijiazhuang Campus Shijiazhuang Hebei 050003 P. R. China
| | - Shaojie Li
- Army Engineering University of PLA-Shijiazhuang Campus Shijiazhuang Hebei 050003 P. R. China
| | - Jun Yan
- Hebei Jiaotong Vocational and Technical College Shijiazhuang Hebei 050003 P. R. China
| | - Shiguo Du
- Army Engineering University of PLA-Shijiazhuang Campus Shijiazhuang Hebei 050003 P. R. China
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15
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Lee B, Lee K, Li M, Noda S, Lee SW. Two‐Dimensional Polydopamine Positive Electrodes for High‐Capacity Alkali Metal‐Ion Storage. ChemElectroChem 2021. [DOI: 10.1002/celc.202100033] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Byeongyong Lee
- George W. Woodruff School of Mechanical Engineering Georgia Institute of Technology Atlanta 30332 USA
- School of Mechanical Engineering Pusan National University Busan 42641 Korea
| | - Kyungbin Lee
- George W. Woodruff School of Mechanical Engineering Georgia Institute of Technology Atlanta 30332 USA
| | - Mochen Li
- Department of Applied Chemistry Waseda University Tokyo 169-8555 Tokyo Japan
| | - Suguru Noda
- Department of Applied Chemistry Waseda University Tokyo 169-8555 Tokyo Japan
| | - Seung Woo Lee
- George W. Woodruff School of Mechanical Engineering Georgia Institute of Technology Atlanta 30332 USA
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16
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Siwicka ZE, Son FA, Battistella C, Moore MH, Korpanty J, McCallum NC, Wang Z, Johnson BJ, Farha OK, Gianneschi NC. Synthetic Porous Melanin. J Am Chem Soc 2021; 143:3094-3103. [PMID: 33600146 DOI: 10.1021/jacs.0c10465] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Commonly known as a skin pigment, melanin has a vital role in UV radiation protection, primarily acting as a radical scavenger. However, a lesser known natural property of melanin, observed in some melanized organisms, is its capacity to adsorb toxins, including metals and organic molecules. Inspired by this, we set out to generate a synthetic porous melanin that would pave the way to enhancing the natural adsorbent properties of melanin and melanin-like materials. Here, we developed a method for the synthesis of porous polydopamine-based melanin utilizing a mesoporous silica (MS) nanoparticle template and characterized its physical properties. Through the oxidative polymerization of dopamine, followed by the etching of silica, we generated synthetic porous melanin (SPM) with the highest measured surface area of any known polydopamine-based material. The prepared SPM was effective for the uptake of various gases and organophosphate toxins, with the material exhibiting high selectivity for CO2 over CH4 and high potential for ammonia capture. Given the demonstrated advantages provided by synthetic porous melanin and melanin's role as an adsorbent in nature, we anticipate the discovery of porous analogues in biological systems.
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Affiliation(s)
| | | | | | - Martin H Moore
- Center for Bio/Molecular Science & Engineering, US Naval Research Laboratory, Washington, D.C. 20375, United States
| | | | | | - Zheng Wang
- Center for Bio/Molecular Science & Engineering, US Naval Research Laboratory, Washington, D.C. 20375, United States
| | - Brandy J Johnson
- Center for Bio/Molecular Science & Engineering, US Naval Research Laboratory, Washington, D.C. 20375, United States
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17
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Naramittanakul A, Buttranon S, Petchsuk A, Chaiyen P, Weeranoppanant N. Development of a continuous-flow system with immobilized biocatalysts towards sustainable bioprocessing. REACT CHEM ENG 2021. [DOI: 10.1039/d1re00189b] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Implementing immobilized biocatalysts in continuous-flow systems can enable a sustainable process through enhanced enzyme stability, better transport and process continuity as well as simplified recycle and downstream processing.
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Affiliation(s)
- Apisit Naramittanakul
- School of Biomolecular Science and Engineering (BSE), Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong 21210, Thailand
| | - Supacha Buttranon
- School of Biomolecular Science and Engineering (BSE), Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong 21210, Thailand
| | - Atitsa Petchsuk
- National Metal and Materials Technology Center (MTEC), Pathum Thani 12120, Thailand
| | - Pimchai Chaiyen
- School of Biomolecular Science and Engineering (BSE), Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong 21210, Thailand
| | - Nopphon Weeranoppanant
- School of Biomolecular Science and Engineering (BSE), Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong 21210, Thailand
- Department of Chemical Engineering, Faculty of Engineering, Burapha University, Chonburi 20131, Thailand
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18
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Molnár Á. Synthetic Application of Cyclodextrins in Combination with Metal Ions, Complexes, and Metal Particles. ChemCatChem 2020. [DOI: 10.1002/cctc.202001610] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Árpád Molnár
- Department of Organic Chemistry University of Szeged Dóm tér 8 6720 Szeged Hungary
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19
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Mei S, Xu X, Priestley RD, Lu Y. Polydopamine-based nanoreactors: synthesis and applications in bioscience and energy materials. Chem Sci 2020; 11:12269-12281. [PMID: 34094435 PMCID: PMC8162453 DOI: 10.1039/d0sc04486e] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 10/21/2020] [Indexed: 11/21/2022] Open
Abstract
Polydopamine (PDA)-based nanoreactors have shown exceptional promise as multifunctional materials due to their nanoscale dimensions and sub-microliter volumes for reactions of different systems. Biocompatibility, abundance of active sites, and excellent photothermal conversion have facilitated their extensive use in bioscience and energy storage/conversion. This minireview summarizes recent advances in PDA-based nanoreactors, as applied to the abovementioned fields. We first highlight the design and synthesis of functional PDA-based nanoreactors with structural and compositional diversity. Special emphasis in bioscience has been given to drug/protein delivery, photothermal therapy, and antibacterial properties, while for energy-related applications, the focus is on electrochemical energy storage, catalysis, and solar energy harvesting. In addition, perspectives on pressing challenges and future research opportunities regarding PDA-based nanoreactors are discussed.
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Affiliation(s)
- Shilin Mei
- Department for Electrochemical Energy Storage, Helmholtz-Zentrum Berlin für Materialien und Energie 14109 Berlin Germany
| | - Xiaohui Xu
- Department of Chemical and Biological Engineering, Princeton University New Jersey 08544 USA
| | - Rodney D Priestley
- Department of Chemical and Biological Engineering, Princeton University New Jersey 08544 USA
- Princeton Institute of the Science and Technology of Materials, Princeton University New Jersey 08544 USA
| | - Yan Lu
- Department for Electrochemical Energy Storage, Helmholtz-Zentrum Berlin für Materialien und Energie 14109 Berlin Germany
- Institute of Chemistry, University of Potsdam 14476 Potsdam Germany
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20
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Calabrese C, Aprile C, Gruttadauria M, Giacalone F. POSS nanostructures in catalysis. Catal Sci Technol 2020. [DOI: 10.1039/d0cy01407a] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
In this review we highlight the use of appealing POSS-based nanostructures for both homogeneous and heterogeneous catalytic applications.
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Affiliation(s)
- Carla Calabrese
- Department of Biological
- Chemical and Pharmaceutical Sciences and Technologies
- University of Palermo
- Palermo
- Italy
| | | | - Michelangelo Gruttadauria
- Department of Biological
- Chemical and Pharmaceutical Sciences and Technologies
- University of Palermo
- Palermo
- Italy
| | - Francesco Giacalone
- Department of Biological
- Chemical and Pharmaceutical Sciences and Technologies
- University of Palermo
- Palermo
- Italy
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