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Hahn T, Alzate MO, Leonhardt S, Tamang P, Zibek S. Current trends in medium-chain-length polyhydroxyalkanoates: Microbial production, purification, and characterization. Eng Life Sci 2024; 24:2300211. [PMID: 38845815 PMCID: PMC11151071 DOI: 10.1002/elsc.202300211] [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: 05/17/2023] [Revised: 02/05/2024] [Accepted: 02/21/2024] [Indexed: 06/09/2024] Open
Abstract
Polyhydroxyalkanoates (PHAs) have gained interest recently due to their biodegradability and versatility. In particular, the chemical compositions of medium-chain-length (mcl)-PHAs are highly diverse, comprising different monomers containing 6-14 carbon atoms. This review summarizes different feedstocks and fermentation strategies to enhance mcl-PHA production and briefly discusses the downstream processing. This review also provides comprehensive details on analytical tools for determining the composition and properties of mcl-PHA. Moreover, this study provides novel information by statistically analyzing the data collected from several reports on mcl-PHA to determine the optimal fermentation parameters (specific growth rate, PHA productivity, and PHA yield from various structurally related and unrelated substrates), mcl-PHA composition, molecular weight (MW), and thermal and mechanical properties, in addition to other relevant statistical values. The analysis revealed that the median PHA productivity observed in the fed-batch feeding strategy was 0.4 g L-1 h-1, which is eight times higher than that obtained from batch feeding (0.05 g L-1 h-1). Furthermore, 3-hydroxyoctanoate and -decanoate were the primary monomers incorporated into mcl-PHA. The investigation also determined the median glass transition temperature (-43°C) and melting temperature (47°C), which indicated that mcl-PHA is a flexible amorphous polymer at room temperature with a median MW of 104 kDa. However, information on the monomer composition or heterogeneity and the associated physical and mechanical data of mcl-PHAs is inadequate. Based on their mechanical values, the mcl-PHAs can be classified as semi-crystalline polymers (median crystallinity 23%) with rubber-like properties and a median elongation at break of 385%. However, due to the limited mechanical data available for mcl-PHAs with known monomer composition, identifying suitable processing tools and applications to develop mcl-PHAs further is challenging.
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Affiliation(s)
- Thomas Hahn
- Bioprocess DevelopmentFraunhofer Institute for Interfacial Engineering and Biotechnology IGBStuttgartGermany
| | - Melissa Ortega Alzate
- Bioprocess DevelopmentFraunhofer Institute for Interfacial Engineering and Biotechnology IGBStuttgartGermany
- Department of Chemical EngineeringUniversity of AntioquiaEl Carmen de ViboralColombia
| | - Steven Leonhardt
- Bioprocess DevelopmentFraunhofer Institute for Interfacial Engineering and Biotechnology IGBStuttgartGermany
| | - Pravesh Tamang
- Bioprocess DevelopmentFraunhofer Institute for Interfacial Engineering and Biotechnology IGBStuttgartGermany
| | - Susanne Zibek
- Bioprocess DevelopmentFraunhofer Institute for Interfacial Engineering and Biotechnology IGBStuttgartGermany
- Institute of Interfacial Engineering and Plasma Technology IGVPUniversity of StuttgartStuttgartGermany
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2
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Microbially Synthesized Polymer-Metal Nanoparticles Composites as Promising Wound Dressings to Overcome Methicillin-Resistance Staphylococcus aureus Infections. Polymers (Basel) 2023; 15:polym15040920. [PMID: 36850204 PMCID: PMC9960834 DOI: 10.3390/polym15040920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/22/2023] [Accepted: 02/06/2023] [Indexed: 02/15/2023] Open
Abstract
Antimicrobial resistance has been declared one of the top 10 global public health threats. Methicillin-resistant Staphylococcus aureus (MRSA) is a leading cause of recurring skin and soft tissue infections in patients with chronic skin conditions such as diabetic foot infections, making the treatment of the ulcers challenging. Wound dressings combined with metal nanoparticles have been suggested to prevent and treat MRSA-infected wounds. However, these particles are commonly synthesized by chemical approaches. In this study, we developed bio-based silver (Bio-AgNPs) and copper oxide nanoparticles (CuONPs) polymer composites using a microbially produced polyester from the Polyhydroxyalkanoates (PHAs) family. Poly(3-hydroxyoctanoate)-co-(3-hydroxyhexanoate) (PHO) was synthesized by Pseudomonas putida and functionalized in-situ with Bio-AgNPs or ex-situ with CuONPs. PHO-CuONPs films did not inhibit MRSA growth, while a reduction of 6.0 log CFU/mL was achieved with PHO-Bio-AgNPs synthesized from silver nitrate (AgNO3) solution at 3.5 mM. Exposure of human fibroblast cells (HFF-1) to the bioactive films did not induce notable cytotoxicity and genotoxicity, as seen by a viability higher than 79% and no significant changes in basal DNA damage. However, exposure to PHO-Bio-AgNPs induced oxidative DNA damage in HFF-1 cells. No hemolytic potential was observed, while platelet aggregation was promoted and desired for wound healing. Here we demonstrate the biosynthesis of polymer-nanoparticle composites and their potential as bioactive films for MRSA treatment.
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Syed Mohamed SMD, Ansari NF, Md Iqbal N, Anis SNS. Polyhydroxyalkanoates (PHA)-based responsive polymers. INT J POLYM MATER PO 2022. [DOI: 10.1080/00914037.2021.1962874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
| | - Nor Faezah Ansari
- Department of Biotechnology, Kulliyyah of Science, International Islamic University of Malaysia, Kuantan, Malaysia
- Research Unit for Bioinformatics and Computational Biology (RUBIC), International Islamic University of Malaysia, Kuantan, Malaysia
| | | | - Siti Nor Syairah Anis
- IJN-UTM Cardiovascular Engineering Centre, Universiti Teknologi Malaysia, Johor Bahru, Malaysia
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4
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Hernández‐Arriaga AM, Campano C, Rivero‐Buceta V, Prieto MA. When microbial biotechnology meets material engineering. Microb Biotechnol 2022; 15:149-163. [PMID: 34818460 PMCID: PMC8719833 DOI: 10.1111/1751-7915.13975] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 11/03/2021] [Indexed: 12/12/2022] Open
Abstract
Bacterial biopolymers such as bacterial cellulose (BC), alginate or polyhydroxyalkanotes (PHAs) have aroused the interest of researchers in many fields, for instance biomedicine and packaging, due to their being biodegradable, biocompatible and renewable. Their properties can easily be tuned by means of microbial biotechnology strategies combined with materials science. This provides them with highly diverse properties, conferring them non-native features. Herein we highlight the enormous structural diversity of these macromolecules, how are they produced, as well as their wide range of potential applications in our daily lives. The emergence of new technologies, such as synthetic biology, enables the creation of next-generation-advanced materials presenting smart functional properties, for example the ability to sense and respond to stimuli as well as the capacity for self-repair. All this has given rise to the recent emergence of biohybrid materials, in which a synthetic component is brought to life with living organisms. Two different subfields have recently garnered particular attention: hybrid living materials (HLMs), such as encapsulation or bioprinting, and engineered living materials (ELMs), in which the material is created bottom-up with the use of microbial biotechnology tools. Early studies showed the strong potential of alginate and PHAs as HLMs, whilst BC constituted the most currently promising material for the creation of ELMs.
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Affiliation(s)
- Ana M. Hernández‐Arriaga
- Polymer Biotechnology Group, Department of Plant and Microbial BiotechnologyBiological Research Centre Margarita SalasSpanish National Research Council (CIB‐CSIC)MadridSpain
- Interdisciplinary Platform for Sustainable Plastics towards a Circular Economy‐CSIC (SusPlast‐CSIC)MadridSpain
| | - Cristina Campano
- Polymer Biotechnology Group, Department of Plant and Microbial BiotechnologyBiological Research Centre Margarita SalasSpanish National Research Council (CIB‐CSIC)MadridSpain
- Interdisciplinary Platform for Sustainable Plastics towards a Circular Economy‐CSIC (SusPlast‐CSIC)MadridSpain
| | - Virginia Rivero‐Buceta
- Polymer Biotechnology Group, Department of Plant and Microbial BiotechnologyBiological Research Centre Margarita SalasSpanish National Research Council (CIB‐CSIC)MadridSpain
- Interdisciplinary Platform for Sustainable Plastics towards a Circular Economy‐CSIC (SusPlast‐CSIC)MadridSpain
| | - M. Auxiliadora Prieto
- Polymer Biotechnology Group, Department of Plant and Microbial BiotechnologyBiological Research Centre Margarita SalasSpanish National Research Council (CIB‐CSIC)MadridSpain
- Interdisciplinary Platform for Sustainable Plastics towards a Circular Economy‐CSIC (SusPlast‐CSIC)MadridSpain
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5
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Blanco FG, Hernández N, Rivero-Buceta V, Maestro B, Sanz JM, Mato A, Hernández-Arriaga AM, Prieto MA. From Residues to Added-Value Bacterial Biopolymers as Nanomaterials for Biomedical Applications. NANOMATERIALS 2021; 11:nano11061492. [PMID: 34200068 PMCID: PMC8228158 DOI: 10.3390/nano11061492] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 05/20/2021] [Accepted: 05/26/2021] [Indexed: 12/16/2022]
Abstract
Bacterial biopolymers are naturally occurring materials comprising a wide range of molecules with diverse chemical structures that can be produced from renewable sources following the principles of the circular economy. Over the last decades, they have gained substantial interest in the biomedical field as drug nanocarriers, implantable material coatings, and tissue-regeneration scaffolds or membranes due to their inherent biocompatibility, biodegradability into nonhazardous disintegration products, and their mechanical properties, which are similar to those of human tissues. The present review focuses upon three technologically advanced bacterial biopolymers, namely, bacterial cellulose (BC), polyhydroxyalkanoates (PHA), and γ-polyglutamic acid (PGA), as models of different carbon-backbone structures (polysaccharides, polyesters, and polyamides) produced by bacteria that are suitable for biomedical applications in nanoscale systems. This selection models evidence of the wide versatility of microorganisms to generate biopolymers by diverse metabolic strategies. We highlight the suitability for applied sustainable bioprocesses for the production of BC, PHA, and PGA based on renewable carbon sources and the singularity of each process driven by bacterial machinery. The inherent properties of each polymer can be fine-tuned by means of chemical and biotechnological approaches, such as metabolic engineering and peptide functionalization, to further expand their structural diversity and their applicability as nanomaterials in biomedicine.
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Affiliation(s)
- Francisco G. Blanco
- Interdisciplinary Platform for Sustainable Plastics towards a Circular Economy-Spanish National Research Council (SusPlast-CSIC), 28040 Madrid, Spain; (F.G.B.); (N.H.); (V.R.-B.); (A.M.); (A.M.H.-A.)
- Polymer Biotechnology Group, Microbial and Plant Biotechnology Department, Biological Research Centre Margarita Salas, CIB-CSIC, 28040 Madrid, Spain
| | - Natalia Hernández
- Interdisciplinary Platform for Sustainable Plastics towards a Circular Economy-Spanish National Research Council (SusPlast-CSIC), 28040 Madrid, Spain; (F.G.B.); (N.H.); (V.R.-B.); (A.M.); (A.M.H.-A.)
- Polymer Biotechnology Group, Microbial and Plant Biotechnology Department, Biological Research Centre Margarita Salas, CIB-CSIC, 28040 Madrid, Spain
| | - Virginia Rivero-Buceta
- Interdisciplinary Platform for Sustainable Plastics towards a Circular Economy-Spanish National Research Council (SusPlast-CSIC), 28040 Madrid, Spain; (F.G.B.); (N.H.); (V.R.-B.); (A.M.); (A.M.H.-A.)
- Polymer Biotechnology Group, Microbial and Plant Biotechnology Department, Biological Research Centre Margarita Salas, CIB-CSIC, 28040 Madrid, Spain
| | - Beatriz Maestro
- Host-Parasite Interplay in Pneumococcal Infection Group, Microbial and Plant Biotechnology Department, Biological Research Centre Margarita Salas, CIB-CSIC, 28040 Madrid, Spain; (B.M.); (J.M.S.)
| | - Jesús M. Sanz
- Host-Parasite Interplay in Pneumococcal Infection Group, Microbial and Plant Biotechnology Department, Biological Research Centre Margarita Salas, CIB-CSIC, 28040 Madrid, Spain; (B.M.); (J.M.S.)
| | - Aránzazu Mato
- Interdisciplinary Platform for Sustainable Plastics towards a Circular Economy-Spanish National Research Council (SusPlast-CSIC), 28040 Madrid, Spain; (F.G.B.); (N.H.); (V.R.-B.); (A.M.); (A.M.H.-A.)
- Polymer Biotechnology Group, Microbial and Plant Biotechnology Department, Biological Research Centre Margarita Salas, CIB-CSIC, 28040 Madrid, Spain
| | - Ana M. Hernández-Arriaga
- Interdisciplinary Platform for Sustainable Plastics towards a Circular Economy-Spanish National Research Council (SusPlast-CSIC), 28040 Madrid, Spain; (F.G.B.); (N.H.); (V.R.-B.); (A.M.); (A.M.H.-A.)
- Polymer Biotechnology Group, Microbial and Plant Biotechnology Department, Biological Research Centre Margarita Salas, CIB-CSIC, 28040 Madrid, Spain
| | - M. Auxiliadora Prieto
- Interdisciplinary Platform for Sustainable Plastics towards a Circular Economy-Spanish National Research Council (SusPlast-CSIC), 28040 Madrid, Spain; (F.G.B.); (N.H.); (V.R.-B.); (A.M.); (A.M.H.-A.)
- Polymer Biotechnology Group, Microbial and Plant Biotechnology Department, Biological Research Centre Margarita Salas, CIB-CSIC, 28040 Madrid, Spain
- Correspondence:
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Carvalho LT, Vieira TA, Zhao Y, Celli A, Medeiros SF, Lacerda TM. Recent advances in the production of biomedical systems based on polyhydroxyalkanoates and exopolysaccharides. Int J Biol Macromol 2021; 183:1514-1539. [PMID: 33989687 DOI: 10.1016/j.ijbiomac.2021.05.025] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 04/30/2021] [Accepted: 05/04/2021] [Indexed: 01/10/2023]
Abstract
In recent years, growing attention has been devoted to naturally occurring biological macromolecules and their ensuing application in agriculture, cosmetics, food and pharmaceutical industries. They inherently have antigenicity, low immunogenicity, excellent biocompatibility and cytocompatibility, which are ideal properties for the design of biomedical devices, especially for the controlled delivery of active ingredients in the most diverse contexts. Furthermore, these properties can be modulated by chemical modification via the incorporation of other (macro)molecules in a random or controlled way, aiming at improving their functionality for each specific application. Among the wide variety of natural polymers, microbial polyhydroxyalkanoates (PHAs) and exopolysaccharides (EPS) are often considered for the development of original biomaterials due to their unique physicochemical and biological features. Here, we aim to fullfil a gap on the present associated literature, bringing an up-to-date overview of ongoing research strategies that make use of PHAs (poly (3-hydroxybutyrate), poly (3-hydroxybutyrate-co-3-hydroxyvalerate), poly (3-hydroxyoctanoate), poly(3-hydroxypropionate), poly (3-hydroxyhexanoate-co-3-hydroxyoctanoate), and poly (3-hydroxybutyrate-co-3-hydroxyhexanoate)) and EPS (bacterial cellulose, alginates, curdlan, pullulan, xanthan gum, dextran, hyaluronan, and schizophyllan) as sources of interesting and versatile biomaterials. For the first time, a monograph addressing the properties, pros and cons, status, challenges, and recent progresses regarding the application of these two important classes of biopolymers in biomedicine is presented.
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Affiliation(s)
- Layde T Carvalho
- Biotechnology Department, Engineering School of Lorena, University of São Paulo, 12602-810 Lorena, SP, Brazil
| | - Thiago A Vieira
- Biotechnology Department, Engineering School of Lorena, University of São Paulo, 12602-810 Lorena, SP, Brazil
| | - Yanjun Zhao
- School of Pharmaceutical Science and Technology, Tianjin Key Laboratory for Modern Drug Delivery 449 and High Efficiency, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin University, Tianjin 300072, China
| | - Annamaria Celli
- Department of Civil, Chemical, Environmental and Materials Engineering, University of Bologna, Via Terracini 28, 40131 Bologna, Italy
| | - Simone F Medeiros
- Biotechnology Department, Engineering School of Lorena, University of São Paulo, 12602-810 Lorena, SP, Brazil; Chemical Engineering Department, Engineering School of Lorena, University of São Paulo, 12602-810 Lorena, SP, Brazil.
| | - Talita M Lacerda
- Biotechnology Department, Engineering School of Lorena, University of São Paulo, 12602-810 Lorena, SP, Brazil.
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7
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Ochoa-Segundo EI, González-Torres M, Cabrera-Wrooman A, Sánchez-Sánchez R, Huerta-Martínez BM, Melgarejo-Ramírez Y, Leyva-Gómez G, Rivera-Muñoz EM, Cortés H, Velasquillo C, Vargas-Muñoz S, Rodríguez-Talavera R. Gamma radiation-induced grafting of n-hydroxyethyl acrylamide onto poly(3-hydroxybutyrate): A companion study on its polyurethane scaffolds meant for potential skin tissue engineering applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 116:111176. [PMID: 32806310 DOI: 10.1016/j.msec.2020.111176] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 05/20/2020] [Accepted: 06/07/2020] [Indexed: 12/13/2022]
Abstract
This study aimed at investigating the synthesis, characterization, and search for a biotechnological application proposal for poly [(R)-3-hydroxybutyric acid] (PHB) grafted with the n-hydroxyethyl acrylamide (HEAA) monomer. The novel copolymer was prepared by 60Co gamma radiation-induced-graft polymerization. The effect of different solvents in the graft polymerization; the degree of grafting, crystallinity, and hydrophilicity; the morphology and the thermal properties were evaluated. The polyurethane fabricated from the grafted PHB was suggested as a scaffold. The enzymatic degradation behavior and the spectroscopic, morphological, mechanical, and biological properties of the composites were assessed. According to the results, the successful grafting of HEAA onto PHB was verified. The grafting was significantly affected by the type of solvent employed. A decreased crystallinity and increased hydrophilicity of the graft copolymer, concerning the PHB, was found. An increased roughness was observed in the morphology of the polymer after grafting. The thermodynamic parameters, except for the glass transition temperature, also decreased for the synthetic biopolymer. The intended use of these scaffolds for skin tissue engineering was supported by a proper degradability and degree of porosity, improved mechanical properties, the optimal culture of human fibroblasts, and its transfection with a plasmid vector containing an enhanced green fluorescent protein.
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Affiliation(s)
- Eric Ivan Ochoa-Segundo
- Departamento de Farmacia, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad de Mexico 04510, Mexico
| | - Maykel González-Torres
- Laboratorio de Biotecnología, Instituto Nacional de Rehabilitación "Luís Guillermo Ibarra", Ciudad de Mexico 14389, Mexico.
| | - Alejandro Cabrera-Wrooman
- Laboratorio de Tejido Conjuntivo, Instituto Nacional de Rehabilitación "Luís Guillermo Ibarra", Ciudad de Mexico 14389, Mexico.
| | - Roberto Sánchez-Sánchez
- Unidad de Ingeniería de Tejidos, Terapia celular y Medicina Regenerativa, Instituto Nacional de Rehabilitación "Luís Guillermo Ibarra", Ciudad de Mexico 14389, Mexico
| | | | - Yaaziel Melgarejo-Ramírez
- Laboratorio de Biotecnología, Instituto Nacional de Rehabilitación "Luís Guillermo Ibarra", Ciudad de Mexico 14389, Mexico
| | - Gerardo Leyva-Gómez
- Departamento de Farmacia, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad de Mexico 04510, Mexico
| | - Eric M Rivera-Muñoz
- Centro de Física Aplicada y Tecnología Avanzada, Universidad Nacional Autónoma de México, 76230, Mexico
| | - Hernán Cortés
- Departamento de Genética, Laboratorio de Medicina Genómica, Instituto Nacional de Rehabilitación "Luís Guillermo Ibarra", Ciudad de Mexico 14389, Mexico
| | - Cristina Velasquillo
- Laboratorio de Biotecnología, Instituto Nacional de Rehabilitación "Luís Guillermo Ibarra", Ciudad de Mexico 14389, Mexico
| | - Susana Vargas-Muñoz
- Centro de Física Aplicada y Tecnología Avanzada, Universidad Nacional Autónoma de México, 76230, Mexico
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9
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Fan B, Wan J, McKay A, Qu Z, Thang SH. Facile synthesis of well-controlled poly(1-vinyl imidazole) by the RAFT process. Polym Chem 2020. [DOI: 10.1039/d0py00985g] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Synthesis of well-controlled poly(1-vinyl imidazole).
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Affiliation(s)
- Bo Fan
- School of Chemistry
- Monash University
- Australia
| | - Jing Wan
- School of Chemistry
- Monash University
- Australia
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10
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Crystal violet dye removal using crosslinked grafted xanthan gum. Int J Biol Macromol 2019; 137:1086-1101. [DOI: 10.1016/j.ijbiomac.2019.06.243] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Revised: 06/18/2019] [Accepted: 06/29/2019] [Indexed: 01/18/2023]
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11
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Fang C, Sun J, Zhang B, Sun Y, Zhu L, Matsuyama H. Preparation of positively charged composite nanofiltration membranes by quaternization crosslinking for precise molecular and ionic separations. J Colloid Interface Sci 2018; 531:168-180. [DOI: 10.1016/j.jcis.2018.07.034] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 07/09/2018] [Accepted: 07/10/2018] [Indexed: 10/28/2022]
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12
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Basnett P, Marcello E, Lukasiewicz B, Panchal B, Nigmatullin R, Knowles JC, Roy I. Biosynthesis and characterization of a novel, biocompatible medium chain length polyhydroxyalkanoate by Pseudomonas mendocina CH50 using coconut oil as the carbon source. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2018; 29:179. [PMID: 30506294 DOI: 10.1007/s10856-018-6183-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Accepted: 10/19/2018] [Indexed: 06/09/2023]
Abstract
This study validated the utilization of triacylglycerides (TAGs) by Pseudomonas mendocina CH50, a wild type strain, resulting in the production of novel mcl-PHAs with unique physical properties. A PHA yield of 58% dcw was obtained using 20 g/L of coconut oil. Chemical and structural characterisation confirmed that the mcl-PHA produced was a terpolymer comprising of three different repeating monomer units, 3-hydroxyoctanoate, 3-hydroxydecanoate and 3-hydroxydodecanoate or P(3HO-3HD-3HDD). Bearing in mind the potential of P(3HO-3HD-3HDD) in biomedical research, especially in neural tissue engineering, in vitro biocompatibility studies were carried out using NG108-15 (neuronal) cells. Cell viability data confirmed that P(3HO-3HD-3HDD) supported the attachment and proliferation of NG108-15 and was therefore confirmed to be biocompatible in nature and suitable for neural regeneration.
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Affiliation(s)
- Pooja Basnett
- Applied Biotechnology Research Group, School of Life Sciences, University of Westminster, London, UK
| | - Elena Marcello
- Applied Biotechnology Research Group, School of Life Sciences, University of Westminster, London, UK
| | - Barbara Lukasiewicz
- Applied Biotechnology Research Group, School of Life Sciences, University of Westminster, London, UK
| | - Bijal Panchal
- Applied Biotechnology Research Group, School of Life Sciences, University of Westminster, London, UK
| | - Rinat Nigmatullin
- Applied Biotechnology Research Group, School of Life Sciences, University of Westminster, London, UK
| | - Jonathan C Knowles
- Eastman Dental Institute, University College London, London, UK
- Department of Nanobiomedical Science & BK21 Plus NBM Global Research Center for Regenerative Medicine, Dankook University, Dankook, Republic of Korea
| | - Ipsita Roy
- Applied Biotechnology Research Group, School of Life Sciences, University of Westminster, London, UK.
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13
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Shadmon H, Basu A, Eckhard LH, Domb AJ, Beyth N. Synthesis, characterization and antibacterial activity of heterocyclic quaternary ammonium polymers. NEW J CHEM 2018. [DOI: 10.1039/c8nj03392g] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Polymers having imidazole and triazole side-chains showed antimicrobial properties.
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Affiliation(s)
- Hodaya Shadmon
- Institute for Drug Research
- School of Pharmacy-Faculty of Medicine
- The Hebrew University of Jerusalem
- Jerusalem
- Israel
| | - Arijit Basu
- Institute for Drug Research
- School of Pharmacy-Faculty of Medicine
- The Hebrew University of Jerusalem
- Jerusalem
- Israel
| | - Lea H. Eckhard
- Department of Prosthodontics
- School of Dentistry
- Faculty of Dental Medicine
- The Hebrew University of Jerusalem
- Jerusalem
| | - Abraham J. Domb
- Institute for Drug Research
- School of Pharmacy-Faculty of Medicine
- The Hebrew University of Jerusalem
- Jerusalem
- Israel
| | - Nurit Beyth
- Department of Prosthodontics
- School of Dentistry
- Faculty of Dental Medicine
- The Hebrew University of Jerusalem
- Jerusalem
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14
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Ansari NF, M. Annuar MS. Functionalization of medium-chain-length poly(3-hydroxyalkanoates) as amphiphilic material by graft copolymerization with glycerol 1,3-diglycerolate diacrylate and its mechanism. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2017. [DOI: 10.1080/10601325.2017.1387490] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Nor Faezah Ansari
- Biotechnology Division, Institute of Biological Sciences, Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia
- Department of Biotechnology, Kuliyyah of Sciences, International Islamic University of Malaysia, Kuantan, Pahang, Malaysia
| | - M. Suffian M. Annuar
- Biotechnology Division, Institute of Biological Sciences, Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia
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15
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Poly (N-vinyl imidazole) gel composite porous membranes for rapid separation of dyes through permeating adsorption. Sep Purif Technol 2017. [DOI: 10.1016/j.seppur.2017.06.024] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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16
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Panaitescu DM, Lupescu I, Frone AN, Chiulan I, Nicolae CA, Tofan V, Stefaniu A, Somoghi R, Trusca R. Medium Chain-Length Polyhydroxyalkanoate Copolymer Modified by Bacterial Cellulose for Medical Devices. Biomacromolecules 2017; 18:3222-3232. [DOI: 10.1021/acs.biomac.7b00855] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Denis Mihaela Panaitescu
- Polymer Department, National Institute for R&D in Chemistry and Petrochemistry, 202 Splaiul Independentei, 060021, Bucharest, Romania
| | - Irina Lupescu
- National Institute for Chemical Pharmaceutical R&D, 112 Calea Vitan, 031299, Bucharest, Romania
| | - Adriana Nicoleta Frone
- Polymer Department, National Institute for R&D in Chemistry and Petrochemistry, 202 Splaiul Independentei, 060021, Bucharest, Romania
| | - Ioana Chiulan
- Polymer Department, National Institute for R&D in Chemistry and Petrochemistry, 202 Splaiul Independentei, 060021, Bucharest, Romania
| | - Cristian Andi Nicolae
- Polymer Department, National Institute for R&D in Chemistry and Petrochemistry, 202 Splaiul Independentei, 060021, Bucharest, Romania
| | - Vlad Tofan
- Cantacuzino National Institute of R&D for Microbiology and Immunology, 103 Splaiul Independentei, 050096, Bucharest, Romania
| | - Amalia Stefaniu
- National Institute for Chemical Pharmaceutical R&D, 112 Calea Vitan, 031299, Bucharest, Romania
| | - Raluca Somoghi
- Polymer Department, National Institute for R&D in Chemistry and Petrochemistry, 202 Splaiul Independentei, 060021, Bucharest, Romania
| | - Roxana Trusca
- Science
and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, 011061 Bucharest, Romania
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17
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Synthetic Biology of Polyhydroxyalkanoates (PHA). ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2017; 162:147-174. [DOI: 10.1007/10_2017_3] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
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18
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Sharma A, Robin Wilson G, Dubey A. Antibacterial activity of vinyl imidazole(vi) functionalized silica polymer nanocomposites (SBA/VI) against Gram negative and Gram positive bacteria. NEW J CHEM 2016. [DOI: 10.1039/c5nj01536g] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Vinyl imidazole functionalized mesoporous silica (SBA/VI) nanocomposites for antibacterial activity.
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Affiliation(s)
- Ankita Sharma
- Department of Chemistry
- Maulana Azad National Institute of Technology (MANIT)
- Bhopal
- India
| | - G. Robin Wilson
- Department of Chemistry
- Maulana Azad National Institute of Technology (MANIT)
- Bhopal
- India
| | - Amit Dubey
- Department of Chemistry
- Maulana Azad National Institute of Technology (MANIT)
- Bhopal
- India
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19
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Cheng L, Zhang PB, Zhao YF, Zhu LP, Zhu BK, Xu YY. Preparation and characterization of poly (N-vinyl imidazole) gel-filled nanofiltration membranes. J Memb Sci 2015. [DOI: 10.1016/j.memsci.2015.04.033] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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20
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Meléndez-Ortiz HI, Alvarez-Lorenzo C, Burillo G, Magariños B, Concheiro A, Bucio E. Radiation-grafting of N-vinylimidazole onto silicone rubber for antimicrobial properties. Radiat Phys Chem Oxf Engl 1993 2015. [DOI: 10.1016/j.radphyschem.2015.01.025] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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21
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Kleyi P, Jacobs V, Na CK, Frost CL, Tshentu ZR, Torto N. Fabrication and Antibacterial Activity of Electrospun Nylon 6 Nanofibers Grafted With 2-Substituted Vinylimidazoles. INT J POLYM MATER PO 2014. [DOI: 10.1080/00914037.2014.945202] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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22
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Hazer DB, Bal E, Nurlu G, Benli K, Balci S, Öztürk F, Hazer B. In vivo application of poly-3-hydroxyoctanoate as peripheral nerve graft. J Zhejiang Univ Sci B 2014; 14:993-1003. [PMID: 24190445 DOI: 10.1631/jzus.b1300016] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVE This study aims to investigate the degree of biocompatibility and neuroregeneration of a polymer tube, poly-3-hydroxyoctanoate (PHO) in nerve gap repair. METHODS Forty Wistar Albino male rats were randomized into two groups: autologous nerve gap repair group and PHO tube repair group. In each group, a 10-mm right sciatic nerve defect was created and reconstructed accordingly. Neuroregeneration was studied by sciatic function index (SFI), electromyography, and immunohistochemical studies on Days 7, 21, 45 and 60 of implantation. Biocompatibility was analyzed by the capsule formation around the conduit. Biodegradation was analyzed by the molecular weight loss in vivo. RESULTS Electrophysiological and histomorphometric assessments demonstrated neuroregeneration in both groups over time. In the experimental group, a straight alignment of the Schwann cells parallel to the axons was detected. However, autologous nerve graft seems to have a superior neuroregeneration compared to PHO grafts. Minor biodegradation was observed in PHO conduit at the end of 60 d. CONCLUSIONS Although neuroregeneration is detected in PHO grafts with minor degradation in 60 d, autologous nerve graft is found to be superior in axonal regeneration compared to PHO nerve tube grafts. PHO conduits were found to create minor inflammatory reaction in vivo, resulting in good soft tissue response.
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Affiliation(s)
- D Burcu Hazer
- Department of Neurosurgery, Faculty of Medicine, Muğla Sıtkı Koçman University, Muğla 48000, Turkey; Atatürk Research and Medical Center, Neurosurgery Clinic, Ministry of Health of the Republic of Turkey, Ankara 06110, Turkey; Department of Neurology, Faculty of Medicine, School of Medicine, Hacettepe University, Ankara 06100, Turkey; Department of Neurosurgery, Faculty of Medicine, School of Medicine, Hacettepe University, Ankara 06100, Turkey; Atatürk Research and Medical Center, Department of Pathology, Yıldırım Beyazıt University, Ankara 06110, Turkey; Department of Histology and Embryology, Faculty of Medicine, Muğla Sıtkı Koçman University, Muğla 48000, Turkey; Department of Chemistry, Bülent Ecevit University, Zonguldak 67100, Turkey
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23
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Meng DC, Shen R, Yao H, Chen JC, Wu Q, Chen GQ. Engineering the diversity of polyesters. Curr Opin Biotechnol 2014; 29:24-33. [PMID: 24632193 DOI: 10.1016/j.copbio.2014.02.013] [Citation(s) in RCA: 86] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2013] [Revised: 02/15/2014] [Accepted: 02/18/2014] [Indexed: 11/26/2022]
Abstract
Many bacteria have been found to produce various polyhydroxyalkanoates (PHA) biopolyesters. In many cases, it is not easy to control the structures of PHA including homopolymers, random copolymers and block copolymers as well as ratios of monomers in the copolymers. It has become possible to engineer bacteria for controllable synthesis of PHA with the desirable structures by creating new PHA synthesis pathways. Remarkably, the weakening of β-oxidation cycle in Pseudomonas putida and Pseudomonas entomophila led to controllable synthesis of all kinds of PHA structures including monomer ratios in random and/or block copolymers when fatty acids are used as PHA precursors. Introduction of functional groups into PHA polymer chains in predefined proportions has become a reality provided fatty acids containing the functional groups are taken up by the bacteria for PHA synthesis. This allows the formation of functional PHA for further grafting. The PHA diversity is further widened by the endless possibility of controllable homopolymerization, random copolymerization, block copolymerization and grafting on functional PHA site chains.
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Affiliation(s)
- De-Chuan Meng
- MOE Key Lab of Bioinformatics, School of Life Science, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing 100084, China
| | - Rui Shen
- MOE Key Lab of Bioinformatics, School of Life Science, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing 100084, China
| | - Hui Yao
- MOE Key Lab of Bioinformatics, School of Life Science, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing 100084, China
| | - Jin-Chun Chen
- MOE Key Lab of Bioinformatics, School of Life Science, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing 100084, China
| | - Qiong Wu
- MOE Key Lab of Bioinformatics, School of Life Science, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing 100084, China
| | - Guo-Qiang Chen
- MOE Key Lab of Bioinformatics, School of Life Science, Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing 100084, China.
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24
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Campoccia D, Montanaro L, Arciola CR. A review of the biomaterials technologies for infection-resistant surfaces. Biomaterials 2013; 34:8533-54. [PMID: 23953781 DOI: 10.1016/j.biomaterials.2013.07.089] [Citation(s) in RCA: 762] [Impact Index Per Article: 69.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2013] [Accepted: 07/26/2013] [Indexed: 02/06/2023]
Abstract
Anti-infective biomaterials need to be tailored according to the specific clinical application. All their properties have to be tuned to achieve the best anti-infective performance together with safe biocompatibility and appropriate tissue interactions. Innovative technologies are developing new biomaterials and surfaces endowed with anti-infective properties, relying either on antifouling, or bactericidal, or antibiofilm activities. This review aims at thoroughly surveying the numerous classes of antibacterial biomaterials and the underlying strategies behind them. Bacteria repelling and antiadhesive surfaces, materials with intrinsic antibacterial properties, antibacterial coatings, nanostructured materials, and molecules interfering with bacterial biofilm are considered. Among the new strategies, the use of phages or of antisense peptide nucleic acids are discussed, as well as the possibility to modulate the local immune response by active cytokines. Overall, there is a wealth of technical solutions to contrast the establishment of an implant infection. Many of them exhibit a great potential in preclinical models. The lack of well-structured prospective multicenter clinical trials hinders the achievement of conclusive data on the efficacy and comparative performance of anti-infective biomaterials.
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Affiliation(s)
- Davide Campoccia
- Research Unit on Implant Infections, Rizzoli Orthopaedic Institute, Via di Barbiano 1/10, 40136 Bologna, Italy
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25
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Fodor C, Bozi J, Blazsó M, Iván B. Thermal Behavior, Stability, and Decomposition Mechanism of Poly(N-vinylimidazole). Macromolecules 2012. [DOI: 10.1021/ma301712k] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Csaba Fodor
- Department
of Polymer Chemistry, Institute of Organic Chemistry,
and ‡Department of Environmental
Chemistry, Institute of Materials and Environmental Chemistry, Research
Centre for Natural Sciences, Hungarian Academy of Sciences, H-1525 Budapest, Pusztaszeri út
59-67, P.O. Box 17, Hungary
| | - János Bozi
- Department
of Polymer Chemistry, Institute of Organic Chemistry,
and ‡Department of Environmental
Chemistry, Institute of Materials and Environmental Chemistry, Research
Centre for Natural Sciences, Hungarian Academy of Sciences, H-1525 Budapest, Pusztaszeri út
59-67, P.O. Box 17, Hungary
| | - Marianne Blazsó
- Department
of Polymer Chemistry, Institute of Organic Chemistry,
and ‡Department of Environmental
Chemistry, Institute of Materials and Environmental Chemistry, Research
Centre for Natural Sciences, Hungarian Academy of Sciences, H-1525 Budapest, Pusztaszeri út
59-67, P.O. Box 17, Hungary
| | - Béla Iván
- Department
of Polymer Chemistry, Institute of Organic Chemistry,
and ‡Department of Environmental
Chemistry, Institute of Materials and Environmental Chemistry, Research
Centre for Natural Sciences, Hungarian Academy of Sciences, H-1525 Budapest, Pusztaszeri út
59-67, P.O. Box 17, Hungary
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