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Huo J, Lv X, Duan Q, Jiang R, Yang D, Sun L, Li S, Qian X. Antimicrobial and hydrophobic cellulose paper prepared by covalently attaching cinnamaldehyde for strawberries preservation. Int J Biol Macromol 2024; 268:131790. [PMID: 38677693 DOI: 10.1016/j.ijbiomac.2024.131790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 04/02/2024] [Accepted: 04/21/2024] [Indexed: 04/29/2024]
Abstract
The demand for paper-based packaging materials as an alternative to incumbent disposable petroleum-derived polymers for food packaging applications is ever-growing. However, typical paper-based formats are not suitable for use in unconventional applications due to inherent limitations (e.g., excessive hydrophilicity, lack antimicrobial ability), and accordingly, enabling new capabilities is necessity. Herein, a simple and environmentally friendly strategy was proposed to introduce antimicrobial and hydrophobic functions to cellulose paper through successive chemical grafting of 3-aminopropyltriethoxysilane (APS) and cinnamaldehyde (CA). The results revealed that cellulose paper not only showed long-term antibacterial effect on different bacteria, but also inhibited a wide range of fungi. Encouragingly, the modified paper, which is fluorine-free, displays a high contact angle of 119.7°. Thus, even in the wet state, the modified paper can still maintain good mechanical strength. Meanwhile, the multifunctional composite papers have excellent biocompatibility and biodegradability. Compared with ordinary cellulose paper, multifunctional composite paper can effectively prolong the shelf life of strawberries. Therefore, the multifunctional composite paper represents good application potential as a fruit packaging material.
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Affiliation(s)
- Jiaqi Huo
- Research Division for Sustainable Papermaking & Advanced Materials, Key Laboratory of Biobased Materials Science and Technology (Ministry of Education), Northeast Forestry University, Harbin, China
| | - Xingyu Lv
- Research Division for Sustainable Papermaking & Advanced Materials, Key Laboratory of Biobased Materials Science and Technology (Ministry of Education), Northeast Forestry University, Harbin, China
| | - Qinghui Duan
- Research Division for Sustainable Papermaking & Advanced Materials, Key Laboratory of Biobased Materials Science and Technology (Ministry of Education), Northeast Forestry University, Harbin, China
| | - Ruyi Jiang
- Research Division for Sustainable Papermaking & Advanced Materials, Key Laboratory of Biobased Materials Science and Technology (Ministry of Education), Northeast Forestry University, Harbin, China
| | - Dongmei Yang
- Research Division for Sustainable Papermaking & Advanced Materials, Key Laboratory of Biobased Materials Science and Technology (Ministry of Education), Northeast Forestry University, Harbin, China; Hubei Provincial Key Laboratory of Green Materials for Light Industry, Hubei University of Technology, Wuhan, China.
| | - Lijian Sun
- College of Light Industry and Textile, Qiqihar University, Qiqihar, China.
| | - Shujun Li
- Research Division for Sustainable Papermaking & Advanced Materials, Key Laboratory of Biobased Materials Science and Technology (Ministry of Education), Northeast Forestry University, Harbin, China.
| | - Xueren Qian
- Research Division for Sustainable Papermaking & Advanced Materials, Key Laboratory of Biobased Materials Science and Technology (Ministry of Education), Northeast Forestry University, Harbin, China
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Kumara SPSNBS, Senevirathne SWMAI, Mathew A, Bray L, Mirkhalaf M, Yarlagadda PKDV. Progress in Nanostructured Mechano-Bactericidal Polymeric Surfaces for Biomedical Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2799. [PMID: 37887949 PMCID: PMC10609396 DOI: 10.3390/nano13202799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 10/16/2023] [Accepted: 10/17/2023] [Indexed: 10/28/2023]
Abstract
Bacterial infections and antibiotic resistance remain significant contributors to morbidity and mortality worldwide. Despite recent advances in biomedical research, a substantial number of medical devices and implants continue to be plagued by bacterial colonisation, resulting in severe consequences, including fatalities. The development of nanostructured surfaces with mechano-bactericidal properties has emerged as a promising solution to this problem. These surfaces employ a mechanical rupturing mechanism to lyse bacterial cells, effectively halting subsequent biofilm formation on various materials and, ultimately, thwarting bacterial infections. This review delves into the prevailing research progress within the realm of nanostructured mechano-bactericidal polymeric surfaces. It also investigates the diverse fabrication methods for developing nanostructured polymeric surfaces with mechano-bactericidal properties. We then discuss the significant challenges associated with each approach and identify research gaps that warrant exploration in future studies, emphasizing the potential for polymeric implants to leverage their distinct physical, chemical, and mechanical properties over traditional materials like metals.
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Affiliation(s)
- S. P. S. N. Buddhika Sampath Kumara
- School of Mechanical, Medical and Process Engineering, Faculty of Engineering, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia; (S.P.S.N.B.S.K.); (S.W.M.A.I.S.); (A.M.); (L.B.)
- Australian Research Council Training Centre for Multiscale 3D Imaging, Modelling, and Manufacturing, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
- Centre for Biomedical Technologies, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
| | - S. W. M. Amal Ishantha Senevirathne
- School of Mechanical, Medical and Process Engineering, Faculty of Engineering, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia; (S.P.S.N.B.S.K.); (S.W.M.A.I.S.); (A.M.); (L.B.)
- Centre for Biomedical Technologies, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
| | - Asha Mathew
- School of Mechanical, Medical and Process Engineering, Faculty of Engineering, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia; (S.P.S.N.B.S.K.); (S.W.M.A.I.S.); (A.M.); (L.B.)
- School of Engineering, University of Southern Queensland, Springfield, QLD 4300, Australia
| | - Laura Bray
- School of Mechanical, Medical and Process Engineering, Faculty of Engineering, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia; (S.P.S.N.B.S.K.); (S.W.M.A.I.S.); (A.M.); (L.B.)
- Centre for Biomedical Technologies, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
| | - Mohammad Mirkhalaf
- School of Mechanical, Medical and Process Engineering, Faculty of Engineering, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia; (S.P.S.N.B.S.K.); (S.W.M.A.I.S.); (A.M.); (L.B.)
- Centre for Biomedical Technologies, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
- Centre for Materials Science, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
| | - Prasad K. D. V. Yarlagadda
- School of Mechanical, Medical and Process Engineering, Faculty of Engineering, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia; (S.P.S.N.B.S.K.); (S.W.M.A.I.S.); (A.M.); (L.B.)
- Australian Research Council Training Centre for Multiscale 3D Imaging, Modelling, and Manufacturing, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
- Centre for Biomedical Technologies, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
- School of Engineering, University of Southern Queensland, Springfield, QLD 4300, Australia
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Surface Design Strategies of Polymeric Biomedical Implants for Antibacterial Properties. CURRENT OPINION IN BIOMEDICAL ENGINEERING 2023. [DOI: 10.1016/j.cobme.2023.100448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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Tyczkowska-Sieroń E, Kiryszewska-Jesionek A, Kapica R, Tyczkowski J. Anti-Mold Protection of Textile Surfaces with Cold Plasma Produced Biocidal Nanocoatings. MATERIALS (BASEL, SWITZERLAND) 2022; 15:6834. [PMID: 36234173 PMCID: PMC9570886 DOI: 10.3390/ma15196834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/23/2022] [Accepted: 09/26/2022] [Indexed: 06/16/2023]
Abstract
The permanent anti-mold protection of textile surfaces, particularly those utilized in the manufacture of outdoor sporting goods, is still an issue that requires cutting-edge solutions. This study attempts to obtain antifungal nanocoatings on four selected fabrics used in the production of high-mountain clothing and sleeping bags, and on PET foil as a model substrate, employing the cold plasma technique for this purpose. Three plasma treatment procedures were used to obtain such nanocoatings: plasma-activated graft copolymerization of a biocidal precursor, deposition of a thin-film matrix by plasma-activated graft copolymerization and anchoring biocidal molecules therein, and plasma polymerization of a biocidal precursor. The precursors used represented three important groups of antifungal agents: phenols, amines, and anchored compounds. SEM microscopy and FTIR-ATR spectrometry were used to characterize the produced nanocoatings. For testing antifungal properties, four species of common mold fungi were selected: A. niger, A. fumigatus, A. tenuissima, and P. chrysogenum. It was found that the relatively best nanocoating, both in terms of plasma process performance, durability, and anti-mold activity, is plasma polymerized 2-allylphenol. The obtained results confirm our belief that cold plasma technology is a great tool for modifying the surface of textiles to provide them with antifungal properties.
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Affiliation(s)
- Ewa Tyczkowska-Sieroń
- Department of Experimental Physiology, Medical University of Lodz, Mazowiecka Str. 6/8, 92-215 Lodz, Poland
| | - Agnieszka Kiryszewska-Jesionek
- Department of Microbiology and Laboratory Medical Immunology, Medical University of Lodz, Pomorska Str. 251, 92-213 Lodz, Poland
| | - Ryszard Kapica
- Department of Molecular Engineering, Faculty of Process and Environmental Engineering, Lodz University of Technology, Wólczańska Str. 213, 93-005 Lodz, Poland
| | - Jacek Tyczkowski
- Department of Molecular Engineering, Faculty of Process and Environmental Engineering, Lodz University of Technology, Wólczańska Str. 213, 93-005 Lodz, Poland
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Chug MK, Brisbois EJ. Recent Developments in Multifunctional Antimicrobial Surfaces and Applications toward Advanced Nitric Oxide-Based Biomaterials. ACS MATERIALS AU 2022; 2:525-551. [PMID: 36124001 PMCID: PMC9479141 DOI: 10.1021/acsmaterialsau.2c00040] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 07/15/2022] [Accepted: 07/19/2022] [Indexed: 02/08/2023]
Abstract
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Implant-associated infections arising from biofilm development
are known to have detrimental effects with compromised quality of
life for the patients, implying a progressing issue in healthcare.
It has been a struggle for more than 50 years for the biomaterials
field to achieve long-term success of medical implants by discouraging
bacterial and protein adhesion without adversely affecting the surrounding
tissue and cell functions. However, the rate of infections associated
with medical devices is continuously escalating because of the intricate
nature of bacterial biofilms, antibiotic resistance, and the lack
of ability of monofunctional antibacterial materials to prevent the
colonization of bacteria on the device surface. For this reason, many
current strategies are focused on the development of novel antibacterial
surfaces with dual antimicrobial functionality. These surfaces are
based on the combination of two components into one system that can
eradicate attached bacteria (antibiotics, peptides, nitric oxide,
ammonium salts, light, etc.) and also resist or release
adhesion of bacteria (hydrophilic polymers, zwitterionic, antiadhesive,
topography, bioinspired surfaces, etc.). This review
aims to outline the progress made in the field of biomedical engineering
and biomaterials for the development of multifunctional antibacterial
biomedical devices. Additionally, principles for material design and
fabrication are highlighted using characteristic examples, with a
special focus on combinational nitric oxide-releasing biomedical interfaces.
A brief perspective on future research directions for engineering
of dual-function antibacterial surfaces is also presented.
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Affiliation(s)
- Manjyot Kaur Chug
- School of Chemical, Materials and Biomedical Engineering, University of Georgia, Athens, Georgia 30602, United States
| | - Elizabeth J. Brisbois
- School of Chemical, Materials and Biomedical Engineering, University of Georgia, Athens, Georgia 30602, United States
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Liu C, Wang Z, He Q, Jackson J, Faria AF, Zhang W, Song D, Ma J, Sun Z. Facile preparation of anti-biofouling reverse osmosis membrane embedded with polydopamine-nano copper functionality: Performance and mechanism. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120721] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
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Dhingra S, Sharma S, Saha S. Infection Resistant Surface Coatings by Polymer Brushes: Strategies to Construct and Applications. ACS APPLIED BIO MATERIALS 2022; 5:1364-1390. [DOI: 10.1021/acsabm.1c01006] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Shaifali Dhingra
- Department of Materials Science and Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
| | - Shivangi Sharma
- Department of Materials Science and Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
| | - Sampa Saha
- Department of Materials Science and Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
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Development of adsorbent materials based on functionalized copolymers with future applications as antibacterial agent in life quality and environmental field. REACT FUNCT POLYM 2021. [DOI: 10.1016/j.reactfunctpolym.2021.104845] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Liu TJ, Zhou JN, Guo LH. Impact of different regenerative techniques and materials on the healing outcome of endodontic surgery: a systematic review and meta-analysis. Int Endod J 2020; 54:536-555. [PMID: 33159322 DOI: 10.1111/iej.13440] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 11/02/2020] [Accepted: 11/04/2020] [Indexed: 12/14/2022]
Abstract
BACKGROUND Regenerative techniques are increasingly applied in endodontic surgery, but different materials used in regenerative techniques may have varying impacts on wound healing. OBJECTIVES This study evaluated the effects of different regenerative techniques and materials on the outcome of endodontic surgery. PARTICIPANTS patients with persistent periapical lesions, treated with root-end surgery. CONTROL endodontic surgery without the use of regenerative techniques/materials. INTERVENTION endodontic surgery with the use of regenerative techniques/materials. OUTCOME combined clinical and radiographic results. METHODS PubMed, Web of Science, Embase, SinoMed and the CENTRAL Cochrane were searched up to 10th July 2020, followed by a manual search. Detailed eligibility criteria were applied. Cochrane's risk-of-bias tool 2.0 was used to assess the risk of bias of the eligible studies. Meta-analysis was conducted using RevMan software. Subgroup analyses were performed based on the regenerative materials used in endodontic surgery. RESULTS Eleven eligible randomized controlled trials (RCTs) were included in the meta-analysis: two had a low risk of overall bias, and nine had some concerns of overall bias. Generally, the use of regenerative techniques significantly improved the outcome of endodontic surgery (risk ratio [RR]: 0.42; 95% confidence interval [CI], 0.26-0.68; P < 0.001). On subgroup analysis, the use of expanded polytetrafluoroethylene (e-PTFE) membranes alone had no added benefits (RR: 2.00; 95% CI, 0.22-18.33; P = 0.54). The application of collagen membranes or autologous platelet concentrates (APCs) alone was associated with a trend for better outcomes (RR: 0.51; 95% CI, 0.20-1.25; P = 0.14) (RR: 0.55; 95% CI, 0.18-1.71; P = 0.30). The combined use of collagen membranes and bovine-derived hydroxyapatite significantly improved the outcome (RR: 0.35; 95% CI, 0.17-0.75; P = 0.007). DISCUSSION This systematic review evaluated the effects of collagen membranes, e-PTFE membranes, APCs and bone grafting materials, providing detailed information about the risks and benefits of using each regenerative technique/material or its combination in endodontic surgery. CONCLUSIONS Regenerative techniques improve periapical lesion healing after endodontic surgery. The combined use of collagen membranes and bovine-derived hydroxyapatite may be beneficial as an adjunct to endodontic surgery. In contrast, the positive efficacy of e-PTFE membranes or APCs alone remains doubtful.
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Affiliation(s)
- T J Liu
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - J N Zhou
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - L H Guo
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, China
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Song B, Zhang E, Han X, Zhu H, Shi Y, Cao Z. Engineering and Application Perspectives on Designing an Antimicrobial Surface. ACS APPLIED MATERIALS & INTERFACES 2020; 12:21330-21341. [PMID: 32011846 PMCID: PMC7534184 DOI: 10.1021/acsami.9b19992] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Infections, contaminations, and biofouling resulting from micro- and/or macro-organisms remained a prominent threat to the public health, food industry, and aqua-/marine-related applications. Considering environmental and drug resistance concerns as well as insufficient efficacy on biofilms associated with conventional disinfecting reagents, developing an antimicrobial surface potentially improved antimicrobial performance by directly working on the microbes surrounding the surface area. Here we provide an engineering perspective on the logic of choosing materials and strategies for designing antimicrobial surfaces, as well as an application perspective on their potential impacts. In particular, we analyze and discuss requirements and expectations for specific applications and provide insights on potential misconnection between the antimicrobial solution and its targeted applications. Given the high translational barrier for antimicrobial surfaces, future research would benefit from a comprehensive understanding of working mechanisms for potential materials/strategies, and challenges/requirements for a targeted application.
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Affiliation(s)
- Boyi Song
- Department of Chemical Engineering and Materials Science, Wayne State University, Detroit, Michigan, 48202, USA
| | - Ershuai Zhang
- Department of Chemical Engineering and Materials Science, Wayne State University, Detroit, Michigan, 48202, USA
| | - Xiangfei Han
- Department of Chemical Engineering and Materials Science, Wayne State University, Detroit, Michigan, 48202, USA
| | - Hui Zhu
- Department of Chemical Engineering and Materials Science, Wayne State University, Detroit, Michigan, 48202, USA
| | - Yuanjie Shi
- Department of Chemical Engineering and Materials Science, Wayne State University, Detroit, Michigan, 48202, USA
| | - Zhiqiang Cao
- Department of Chemical Engineering and Materials Science, Wayne State University, Detroit, Michigan, 48202, USA
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Ojogbo E, Ward V, Mekonnen TH. Functionalized starch microparticles for contact-active antimicrobial polymer surfaces. Carbohydr Polym 2020; 229:115422. [DOI: 10.1016/j.carbpol.2019.115422] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 09/28/2019] [Accepted: 10/01/2019] [Indexed: 01/22/2023]
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Livi S, Lins LC, Capeletti LB, Chardin C, Halawani N, Baudoux J, Cardoso MB. Antibacterial surface based on new epoxy-amine networks from ionic liquid monomers. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2019.04.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Knowles BR, Yang D, Wagner P, Maclaughlin S, Higgins MJ, Molino PJ. Zwitterion Functionalized Silica Nanoparticle Coatings: The Effect of Particle Size on Protein, Bacteria, and Fungal Spore Adhesion. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:1335-1345. [PMID: 30086644 DOI: 10.1021/acs.langmuir.8b01550] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
The negative impacts that arise from biological fouling of surfaces have driven the development of coatings with unique physical and chemical properties that are able to prevent interactions with fouling species. Here, we report on low-fouling hydrophilic coatings presenting nanoscaled features prepared from different size silica nanoparticles (SiNPs) functionalized with zwitterionic chemistries. Zwitterionic sulfobetaine siloxane (SB) was reacted to SiNPs ranging in size from 7 to 75 nm. Particle stability and grafting density were confirmed using dynamic light scattering and thermogravimetric analysis. Thin coatings of nanoparticles were prepared by spin-coating aqueous particle suspensions. The resulting coatings were characterized using scanning electron microscopy, atomic force microscopy, and contact angle goniometry. SB functionalized particle coatings displayed increased hydrophilicity compared to unmodified particle coating controls while increasing particle size correlated with increased coating roughness and increased surface area. Coatings of zwitterated particles demonstrated a high degree of nonspecific protein resistance, as measured by quartz crystal microgravimetry. Adsorption of bovine serum albumin and hydrophobin proteins were reduced by up to 91 and 94%, respectively. Adhesion of bacteria ( Escherichia coli) to zwitterion modified particle coatings were also significantly reduced over both short and long-term assays. Maximum reductions of 97% and 94% were achieved over 2 and 24 h assay periods, respectively. For unmodified particle coatings, protein adsorption and bacterial adhesion were generally reduced with increasing particle size. Adhesion of fungal spores to SB modified SiNP coatings was also reduced, however no clear trends in relation to particle size were demonstrated.
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Affiliation(s)
- Brianna R Knowles
- ARC Industrial Transformation Research Hub for Australian Steel Manufacturing , Wollongong , New South Wales 2522 , Australia
- Intelligent Polymer Research Institute, ARC Centre of Excellence for Electromaterials Science, AIIM Facility, Innovation Campus , University of Wollongong , Wollongong , New South Wales 2500 , Australia
- BlueScope Innovation Laboratories , Old Port Road , Port Kembla , New South Wales 2505 , Australia
| | - Dan Yang
- ARC Industrial Transformation Research Hub for Australian Steel Manufacturing , Wollongong , New South Wales 2522 , Australia
- Intelligent Polymer Research Institute, ARC Centre of Excellence for Electromaterials Science, AIIM Facility, Innovation Campus , University of Wollongong , Wollongong , New South Wales 2500 , Australia
| | - Pawel Wagner
- Intelligent Polymer Research Institute, ARC Centre of Excellence for Electromaterials Science, AIIM Facility, Innovation Campus , University of Wollongong , Wollongong , New South Wales 2500 , Australia
| | - Shane Maclaughlin
- ARC Industrial Transformation Research Hub for Australian Steel Manufacturing , Wollongong , New South Wales 2522 , Australia
- BlueScope Innovation Laboratories , Old Port Road , Port Kembla , New South Wales 2505 , Australia
| | - Michael J Higgins
- ARC Industrial Transformation Research Hub for Australian Steel Manufacturing , Wollongong , New South Wales 2522 , Australia
- Intelligent Polymer Research Institute, ARC Centre of Excellence for Electromaterials Science, AIIM Facility, Innovation Campus , University of Wollongong , Wollongong , New South Wales 2500 , Australia
| | - Paul J Molino
- ARC Industrial Transformation Research Hub for Australian Steel Manufacturing , Wollongong , New South Wales 2522 , Australia
- Intelligent Polymer Research Institute, ARC Centre of Excellence for Electromaterials Science, AIIM Facility, Innovation Campus , University of Wollongong , Wollongong , New South Wales 2500 , Australia
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Reinhardt A, Thomas I, Schmauck J, Giernoth R, Schulze A, Neundorf I. Electron Beam Immobilization of Novel Antimicrobial, Short Peptide Motifs Leads to Membrane Surfaces with Promising Antibacterial Properties. J Funct Biomater 2018; 9:E21. [PMID: 29495523 PMCID: PMC5872107 DOI: 10.3390/jfb9010021] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Revised: 02/02/2018] [Accepted: 02/22/2018] [Indexed: 12/03/2022] Open
Abstract
In this study, the efficacy of electron beam irradiation versus chemical coupling for yielding polyethersulfone (PES) membranes with antibacterial properties was investigated. For the surface coating, a recently discovered lead compound, IL-KKA, comprising a short peptide sequence functionalized with imidazolium groups, was used. For better integration within the membrane, several novel variants of IL-KKA were generated. Membrane immobilization was achieved using different doses of electron beam irradiation and NHS/EDC chemical coupling. Physicochemical characterization of the coated membranes was performed by water contact angle measurements, X-ray photoelectron spectroscopy, and scanning electron microscopy. Our results show that electron beam irradiation is as effective and gentle as chemical coupling using the NHS/EDC method. Moreover, it was demonstrated that the obtained membranes exhibit promising antibacterial activity against B. subtilis. In summary, the technique presented herein might be promising as a template for developing future anti-biofilm devices.
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Affiliation(s)
- André Reinhardt
- Department of Chemistry, Biochemistry, University of Cologne, Zülpicher Str. 47a, D-50674 Cologne, Germany.
| | - Isabell Thomas
- Leibniz Institute of Surface Engineering, Permoserstr. 15, D-04318 Leipzig, Germany.
| | - Julie Schmauck
- Department of Chemistry, Organic Chemistry, University of Cologne, Greinstr. 4, D-50939 Cologne, Germany.
| | - Ralf Giernoth
- Department of Chemistry, Organic Chemistry, University of Cologne, Greinstr. 4, D-50939 Cologne, Germany.
| | - Agnes Schulze
- Leibniz Institute of Surface Engineering, Permoserstr. 15, D-04318 Leipzig, Germany.
| | - Ines Neundorf
- Department of Chemistry, Biochemistry, University of Cologne, Zülpicher Str. 47a, D-50674 Cologne, Germany.
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Pissinis DE, Benítez GA, Schilardi PL. Two-step biocompatible surface functionalization for two-pathway antimicrobial action against Gram-positive bacteria. Colloids Surf B Biointerfaces 2018; 164:262-271. [PMID: 29413605 DOI: 10.1016/j.colsurfb.2018.01.057] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Revised: 01/14/2018] [Accepted: 01/28/2018] [Indexed: 01/08/2023]
Abstract
The use of indwelling devices has emerged as a frequent and often life-saving medical procedure. However, infection in prosthetic surgery is one of the most important and devastating complications. Once the biofilm has been formed, its eradication is extremely difficult, due to an increased resistance to host defense and conventional antimicrobials. Thus, the design of novel strategies for inhibiting the bacterial adhesion on implantable devices is a key point for successful surgical procedures. In this work, the development of a simple two-step protocol to prepare surfaces able to prevent the bacterial growth was successfully achieved. The surface-modification design includes a combined approach involving the multi-functionalization of Ti surfaces with silver nanoparticles (AgNPs) and/or ampicillin (AMP). The surface chemistry involved in AMP adsorption on titanium and silver surfaces was elucidated for the first time, thus establishing the basis for the further anchoring of other antibacterial compounds having similar functional groups. Our results show that the antibiotic binds to the titanium surface through covalent interactions between the COOH groups in AMP and the OH groups of the native TiO2 on the surface, although electrostatic interactions between protonated AMP and negatively charged TiO2 can also contribute to the antibiotic anchoring to the surface. The AMP immobilization on the AgNPs is carried out by thiolate-like bonds. The β-lactam ring functionality is preserved after the adsorption process, since the Ti-AgNPs-AMP surface was able to decrease the bacterial viability in more than 80%. Moreover, the antimicrobial capacity is maintained over time due to a two-pathway antibacterial mechanism: death by contact (AMP) and death by release (AgNPs). The effect of AMP prevails on AgNPs at early stages of bacterial adhesion, while AgNPs are responsible for sustaining the relatively low but steady release of Ag(I), preserving the bacteriostatic activity of the surface over time. This effect would contribute to prevent infections due to sessile cells on indwelling devices, powering the action of the immune system and the conventional antibiotics usually dosed in implanted patients.
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Affiliation(s)
- Diego E Pissinis
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), CONICET- Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Casilla de Correo 16, Sucursal 4, 1900, La Plata, Argentina.
| | - Guillermo A Benítez
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), CONICET- Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Casilla de Correo 16, Sucursal 4, 1900, La Plata, Argentina.
| | - Patricia L Schilardi
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), CONICET- Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Casilla de Correo 16, Sucursal 4, 1900, La Plata, Argentina.
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16
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Xiu K, Wen J, Liu J, He C, Sun Y. Controlling the Structure and Antimicrobial Function of N-Halamine-Based Polyurethane Semi-interpenetrating Polymer Networks. Ind Eng Chem Res 2017. [DOI: 10.1021/acs.iecr.7b03302] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Kemao Xiu
- Department
of Chemistry, University of Massachusetts Lowell, Lowell, Massachusetts 01854, United States
| | - Jianchuan Wen
- Department
of Chemistry, University of Massachusetts Lowell, Lowell, Massachusetts 01854, United States
| | - Jianhong Liu
- College
of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong 518060, People’s Republic of China
| | - Chuanxin He
- College
of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong 518060, People’s Republic of China
| | - Yuyu Sun
- Department
of Chemistry, University of Massachusetts Lowell, Lowell, Massachusetts 01854, United States
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17
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Xiu K, Wen J, Porteous N, Sun Y. Controlling bacterial fouling with polyurethane/ N-halamine semi-interpenetrating polymer networks. J BIOACT COMPAT POL 2017; 32:542-554. [PMID: 30034088 DOI: 10.1177/0883911516689334] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
N -halamine-based interpenetrating polymer networks were developed as a simple and effective strategy in the preparation of antimicrobial polymers. An N-halamine monomer, N-chloro-2, 2, 6, 6-tetramethyl-4-piperidyl methacrylate, was incorporated into polyurethane in the presence of a cross-linker and an initiator. Post-polymerization of the monomers led to the formation of polyurethane/N-halamine semi-interpenetrating polymer networks. The presence of N-halamines in the semi-interpenetrating polymer networks was confirmed by attenuated total reflectance infrared, water contact angle, and energy-dispersive X-ray spectroscopy analysis. The N-halamine contents in the semi-interpenetrating polymer networks could be readily controlled by changing reaction conditions. The distribution of active chlorines within the semi-interpenetrating polymer networks was characterized with energy-dispersive X-ray spectroscopy. Contact mode antimicrobial tests, zone of inhibition studies, and scanning electron microscopy observations showed that the semi-interpenetrating polymer networks had potent antimicrobial and antifouling effects against both Gram-positive and Gram-negative bacteria. Release tests demonstrated the outstanding stability of the N-halamine structures in the new semi-interpenetrating polymer networks.
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Affiliation(s)
- Kemao Xiu
- Department of Chemistry, University of Massachusetts Lowell, Lowell, MA, USA
| | - Jianchuan Wen
- Department of Chemistry, University of Massachusetts Lowell, Lowell, MA, USA
| | - Nuala Porteous
- Department of Comprehensive Dentistry, University of Texas Health Science Center at San Antonio, San Antonio, TX, USA
| | - Yuyu Sun
- Department of Chemistry, University of Massachusetts Lowell, Lowell, MA, USA
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18
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Gerits E, Kucharíková S, Van Dijck P, Erdtmann M, Krona A, Lövenklev M, Fröhlich M, Dovgan B, Impellizzeri F, Braem A, Vleugels J, Robijns SCA, Steenackers HP, Vanderleyden J, De Brucker K, Thevissen K, Cammue BPA, Fauvart M, Verstraeten N, Michiels J. Antibacterial activity of a new broad-spectrum antibiotic covalently bound to titanium surfaces. J Orthop Res 2016; 34:2191-2198. [PMID: 27003909 DOI: 10.1002/jor.23238] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Accepted: 03/17/2016] [Indexed: 02/04/2023]
Abstract
Biofilm-associated infections, particularly those caused by Staphylococcus aureus, are a major cause of implant failure. Covalent coupling of broad-spectrum antimicrobials to implants is a promising approach to reduce the risk of infections. In this study, we developed titanium substrates on which the recently discovered antibacterial agent SPI031, a N-alkylated 3, 6-dihalogenocarbazol 1-(sec-butylamino)-3-(3,6-dichloro-9H-carbazol-9-yl)propan-2-ol, was covalently linked (SPI031-Ti). We found that SPI031-Ti substrates prevent biofilm formation of S. aureus and Pseudomonas aeruginosa in vitro, as quantified by plate counting and fluorescence microscopy. To test the effectiveness of SPI031-Ti substrates in vivo, we used an adapted in vivo biomaterial-associated infection model in mice in which SPI031-Ti substrates were implanted subcutaneously and subsequently inoculated with S. aureus. Using this model, we found a significant reduction in biofilm formation (up to 98%) on SPI031-Ti substrates compared to control substrates. Finally, we demonstrated that the functionalization of the titanium surfaces with SPI031 did not influence the adhesion and proliferation of human cells important for osseointegration and bone repair. In conclusion, these data demonstrate the clinical potential of SPI031 to be used as an antibacterial coating for implants, thereby reducing the incidence of implant-associated infections. © 2016 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 34:2191-2198, 2016.
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Affiliation(s)
- Evelien Gerits
- Centre of Microbial and Plant Genetics, KU Leuven, Kasteelpark Arenberg 20 box 2460, 3001 Leuven, Belgium
| | - Soňa Kucharíková
- Department of Molecular Microbiology, VIB, KU Leuven, Kasteelpark Arenberg 31 box 2438, 3001 Leuven, Belgium.,Laboratory of Molecular Cell Biology, KU Leuven, Kasteelpark Arenberg 31 box 2438, 3001 Leuven, Belgium
| | - Patrick Van Dijck
- Department of Molecular Microbiology, VIB, KU Leuven, Kasteelpark Arenberg 31 box 2438, 3001 Leuven, Belgium.,Laboratory of Molecular Cell Biology, KU Leuven, Kasteelpark Arenberg 31 box 2438, 3001 Leuven, Belgium
| | | | - Annika Krona
- Department of Structure and Material Design, SP Food and Bioscience, Box 5401, 402 29 Gothenburg, Sweden
| | - Maria Lövenklev
- Department of Structure and Material Design, SP Food and Bioscience, Box 5401, 402 29 Gothenburg, Sweden
| | - Mirjam Fröhlich
- Educell Ltd, Prevale 9, 1236 Trzin, Slovenia.,Faculty of Medicine, Institute of Cell Biology, University of Ljubljana, Vrazov trg 2, 1000 Ljubljana, Slovenia
| | | | | | - Annabel Braem
- Department of Materials Engineering (MTM), KU Leuven, Kasteelpark Arenberg 44 box 2450, 3001 Leuven, Belgium
| | - Jef Vleugels
- Department of Materials Engineering (MTM), KU Leuven, Kasteelpark Arenberg 44 box 2450, 3001 Leuven, Belgium
| | - Stijn C A Robijns
- Centre of Microbial and Plant Genetics, KU Leuven, Kasteelpark Arenberg 20 box 2460, 3001 Leuven, Belgium
| | - Hans P Steenackers
- Centre of Microbial and Plant Genetics, KU Leuven, Kasteelpark Arenberg 20 box 2460, 3001 Leuven, Belgium
| | - Jozef Vanderleyden
- Centre of Microbial and Plant Genetics, KU Leuven, Kasteelpark Arenberg 20 box 2460, 3001 Leuven, Belgium
| | - Katrijn De Brucker
- Centre of Microbial and Plant Genetics, KU Leuven, Kasteelpark Arenberg 20 box 2460, 3001 Leuven, Belgium
| | - Karin Thevissen
- Centre of Microbial and Plant Genetics, KU Leuven, Kasteelpark Arenberg 20 box 2460, 3001 Leuven, Belgium
| | - Bruno P A Cammue
- Centre of Microbial and Plant Genetics, KU Leuven, Kasteelpark Arenberg 20 box 2460, 3001 Leuven, Belgium.,Department of Plant Systems Biology, VIB, Technologiepark 927, 9052 Ghent, Belgium
| | - Maarten Fauvart
- Centre of Microbial and Plant Genetics, KU Leuven, Kasteelpark Arenberg 20 box 2460, 3001 Leuven, Belgium.,Department of Life Science Technologies, imec, Smart Systems and Emerging Technologies Unit, Kapeldreef 75, 3001 Leuven, Belgium
| | - Natalie Verstraeten
- Centre of Microbial and Plant Genetics, KU Leuven, Kasteelpark Arenberg 20 box 2460, 3001 Leuven, Belgium
| | - Jan Michiels
- Centre of Microbial and Plant Genetics, KU Leuven, Kasteelpark Arenberg 20 box 2460, 3001 Leuven, Belgium
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19
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Li H, Bao H, Bok KX, Lee CY, Li B, Zin MT, Kang L. High durability and low toxicity antimicrobial coatings fabricated by quaternary ammonium silane copolymers. Biomater Sci 2016; 4:299-309. [DOI: 10.1039/c5bm00353a] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Novel quaternary ammonium silane (QAS) antimicrobial copolymers with improved biocompatibility can form transparent and durable coatingsviaa thermal-curing process.
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Affiliation(s)
- Hairui Li
- Department of Pharmacy
- National University of Singapore
- Singapore 117543
- 3M Innovation Singapore
- Singapore 738205
| | | | - Ke Xin Bok
- Department of Pharmacy
- National University of Singapore
- Singapore 117543
| | | | - Bo Li
- 3M Innovation Singapore
- Singapore 738205
| | - Melvin T. Zin
- 3M Innovation Singapore
- Singapore 738205
- School of Materials Science and Engineering
- Nanyang Technological University
- Singapore 639798
| | - Lifeng Kang
- Department of Pharmacy
- National University of Singapore
- Singapore 117543
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20
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Ley KJ, Shaw LA, Yiapanis G, MacLaughlin S, Yarovsky I. Effect of substrate on the responsive behaviour of functionalised surfaces: insights from molecular simulation. MOLECULAR SIMULATION 2015. [DOI: 10.1080/08927022.2015.1083100] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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21
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Saini S, Belgacem N, Mendes J, Elegir G, Bras J. Contact Antimicrobial Surface Obtained by Chemical Grafting of Microfibrillated Cellulose in Aqueous Solution Limiting Antibiotic Release. ACS APPLIED MATERIALS & INTERFACES 2015; 7:18076-18085. [PMID: 26218855 DOI: 10.1021/acsami.5b04938] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Contact active surfaces are an innovative tool for developing antibacterial products. Here, the microfibrillated cellulose (MFC) surface was modified with the β-lactam antibiotic benzyl penicillin in aqueous medium to prepare antimicrobial films. Penicillin was grafted on the MFC surface using a suspension of these nanofilaments or directly on films. Films prepared from the penicillin-modified MFC were characterized by Fourier transform infrared spectroscopy, contact angle measurements, elemental analysis, and X-ray photoelectron spectroscopy and tested for antibacterial activity against the Gram-positive Staphylococcus aureus and Gram-negative Escherichia coli. Penicillin-grafted MFC films exhibited successful killing effect on Gram-positive bacteria with 3.5-log reduction whereas bacteriostatic efficiency was found in penicillin-grafted MFC suspension. The zone of inhibition test and leaching dynamic assay demonstrated that penicillin was not diffused into the surrounding media, thus proving that the films were indeed contact active. Thus, penicillin can be chemically bound to the modified substrate surface to produce promising nonleaching antimicrobial systems.
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Affiliation(s)
- Seema Saini
- †Univ. Grenoble Alpes, LGP2, F-38000 Grenoble, France
- ‡CNRS, LGP2, F-38000 Grenoble, France
| | - Naceur Belgacem
- †Univ. Grenoble Alpes, LGP2, F-38000 Grenoble, France
- ‡CNRS, LGP2, F-38000 Grenoble, France
| | - Joana Mendes
- §INNOVHUB SSI, Paper Division, Via Giuseppe Colombo 83, 20133, Milano, Italy
| | - Graziano Elegir
- §INNOVHUB SSI, Paper Division, Via Giuseppe Colombo 83, 20133, Milano, Italy
| | - Julien Bras
- †Univ. Grenoble Alpes, LGP2, F-38000 Grenoble, France
- ‡CNRS, LGP2, F-38000 Grenoble, France
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22
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Yu Q, Wu Z, Chen H. Dual-function antibacterial surfaces for biomedical applications. Acta Biomater 2015; 16:1-13. [PMID: 25637065 DOI: 10.1016/j.actbio.2015.01.018] [Citation(s) in RCA: 245] [Impact Index Per Article: 27.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2014] [Revised: 12/24/2014] [Accepted: 01/16/2015] [Indexed: 12/12/2022]
Abstract
Bacterial attachment and the subsequent formation of biofilm on surfaces of synthetic materials pose a serious problem in both human healthcare and industrial applications. In recent decades, considerable attention has been paid to developing antibacterial surfaces to reduce the extent of initial bacterial attachment and thereby to prevent subsequent biofilm formation. Briefly, there are three main types of antibacterial surfaces: bactericidal surfaces, bacteria-resistant surfaces, and bacteria-release surfaces. The strategy adopted to develop each type of surface has inherent advantages and disadvantages; many efforts have been focused on the development of novel antibacterial surfaces with dual functionality. In this review, we highlight the recent progress made in the development of dual-function antibacterial surfaces for biomedical applications. These surfaces are based on the combination of two strategies into one system, which can kill attached bacteria as well as resisting or releasing bacteria. Perspectives on future research directions for the design of dual-function antibacterial surfaces are also provided.
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23
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Wang YL, Wang MZ, Wu QC, Zhou X, Ge XW. Antimicrobial Expanded Polytetrafluoroethylene Film Prepared by γ-ray Radiation Induced Grafting of Poly(acrylic acid). CHINESE J CHEM PHYS 2015. [DOI: 10.1063/1674-0068/28/cjcp1410180] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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24
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Stebbins ND, Ouimet MA, Uhrich KE. Antibiotic-containing polymers for localized, sustained drug delivery. Adv Drug Deliv Rev 2014; 78:77-87. [PMID: 24751888 PMCID: PMC4201908 DOI: 10.1016/j.addr.2014.04.006] [Citation(s) in RCA: 87] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2013] [Revised: 03/17/2014] [Accepted: 04/10/2014] [Indexed: 11/26/2022]
Abstract
Many currently used antibiotics suffer from issues such as systemic toxicity, short half-life, and increased susceptibility to bacterial resistance. Although most antibiotic classes are administered systemically through oral or intravenous routes, a more efficient delivery system is needed. This review discusses the chemical conjugation of antibiotics to polymers, achieved by forming covalent bonds between antibiotics and a pre-existing polymer or by developing novel antibiotic-containing polymers. Through conjugating antibiotics to polymers, unique polymer properties can be taken advantage of. These polymeric antibiotics display controlled, sustained drug release and vary in antibiotic class type, synthetic method, polymer composition, bond lability, and antibacterial activity. The polymer synthesis, characterization, drug release, and antibacterial activities, if applicable, will be presented to offer a detailed overview of each system.
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Affiliation(s)
- Nicholas D Stebbins
- Department of Chemistry and Chemical Biology, Rutgers University, 610 Taylor Road Piscataway, NJ 08854, USA
| | - Michelle A Ouimet
- Department of Chemistry and Chemical Biology, Rutgers University, 610 Taylor Road Piscataway, NJ 08854, USA
| | - Kathryn E Uhrich
- Department of Chemistry and Chemical Biology, Rutgers University, 610 Taylor Road Piscataway, NJ 08854, USA.
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25
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Ni H, Jiang T, Hu P, Han Z, Lu X, Ye P. Self-decontaminating properties of fluorinated copolymers integrated with ciprofloxacin for synergistically inhibiting the growth ofEscherichia coli. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2014; 25:1920-45. [DOI: 10.1080/09205063.2014.960696] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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26
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Prudencio A, Stebbins ND, Johnson M, Song M, Langowski BA, Uhrich KE. Polymeric prodrugs of ampicillin as antibacterial coatings. J BIOACT COMPAT POL 2014. [DOI: 10.1177/0883911514528410] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A novel ampicillin prodrug containing two carboxylic acid functionalities was synthesized by reacting ampicillin with acyl chloride in the presence of base. This prodrug was subsequently converted into a poly(anhydride-amide) via solution polymerization. The polymer, which chemically incorporates the ampicillin prodrug into the polymeric backbone, was developed as a film to prevent infections associated with medical devices by controlled, localized release of antimicrobials. The robust polymer coatings exhibiting strong adhesion to stainless steel were produced under elevated temperature and reduced pressure. The in vitro hydrolytic degradation of the polymer into the ampicillin prodrug was measured and the antibacterial activity of polymer-derived coatings was examined using a Gram-positive bacterium, Staphylococcus aureus. Furthermore, the polymer cytotoxicity was screened using fibroblasts. The ampicillin prodrug demonstrated antibacterial activity and the polymer demonstrated no cytotoxic effects on fibroblasts. Based on these results, the biodegradation of the antimicrobial-based poly(anhydride-amide) into the prodrug displays substantial promise as an implant or implant coating to reduce device failure resulting from bacterial infections.
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Affiliation(s)
- Almudena Prudencio
- Department of Chemistry & Chemical Biology, Rutgers University, Piscataway, NJ, USA
| | - Nicholas D Stebbins
- Department of Chemistry & Chemical Biology, Rutgers University, Piscataway, NJ, USA
| | - Michelle Johnson
- Department of Chemistry & Chemical Biology, Rutgers University, Piscataway, NJ, USA
| | - MinJung Song
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ, USA
| | - Bryan A Langowski
- Department of Chemistry & Chemical Biology, Rutgers University, Piscataway, NJ, USA
| | - Kathryn E Uhrich
- Department of Chemistry & Chemical Biology, Rutgers University, Piscataway, NJ, USA
- Department of Biomedical Engineering, Rutgers University, Piscataway, NJ, USA
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27
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Larson AM, Klibanov AM. Biocidal Packaging for Pharmaceuticals, Foods, and Other Perishables. Annu Rev Chem Biomol Eng 2013; 4:171-86. [DOI: 10.1146/annurev-chembioeng-061312-103253] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
| | - Alexander M. Klibanov
- Departments of 1Chemistry and
- Biological Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139; ,
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28
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Kadlec MW, You D, Liao JC, Wong PK. A Cell Phone-Based Microphotometric System for Rapid Antimicrobial Susceptibility Testing. ACTA ACUST UNITED AC 2013; 19:258-66. [PMID: 23697894 DOI: 10.1177/2211068213491095] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2013] [Indexed: 01/07/2023]
Abstract
This study demonstrates a low-cost, portable diagnostic system for rapid antimicrobial susceptibility testing in resource-limited settings. To determine the antimicrobial resistance phenotypically, the growth of pathogens in microwell arrays is detected under different antibiotic conditions. The use of a colorimetric cell viability reagent is shown to significantly improve the sensitivity of the assay compared with standard absorbance spectroscopy. Gas-permeable microwell arrays are incorporated for facilitating rapid bacterial growth and eliminating the requirement of bulky supporting equipment. Antibiotics can also be precoated in the microwell array to simplify the assay protocol toward point-of-care applications. Furthermore, a low-cost cell phone-based microphotometric system is developed for detecting the bacterial growth in the microwell array. By optimizing the operating conditions, the system allows antimicrobial susceptibility testing for samples with initial concentrations from 10(1) to 10(6) cfu/mL. Using urinary tract infection as the model system, we demonstrate rapid antimicrobial resistance profiling for uropathogens in both culture media and urine. With its simplicity and cost-effectiveness, the cell phone-based microphotometric system is anticipated to have broad applicability in resource-limited settings toward the management of infectious diseases caused by multidrug-resistant pathogens.
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Affiliation(s)
- Meichei Wang Kadlec
- Department of Agricultural and Biosystems Engineering, University of Arizona, Tucson, AZ, USA
| | - David You
- Department of Agricultural and Biosystems Engineering, University of Arizona, Tucson, AZ, USA
| | - Joseph C Liao
- Department of Urology, Stanford University, Palo Alto, CA, USA
| | - Pak Kin Wong
- Department of Agricultural and Biosystems Engineering, University of Arizona, Tucson, AZ, USA Department of Aerospace and Mechanical Engineering, University of Arizona, Tucson, AZ, USA Biomedical Engineering and Bio5 Institute, University of Arizona, Tucson, AZ, USA
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29
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Pearson HA, Sahukhal GS, Elasri MO, Urban MW. Phage-bacterium war on polymeric surfaces: can surface-anchored bacteriophages eliminate microbial infections? Biomacromolecules 2013; 14:1257-61. [PMID: 23590700 DOI: 10.1021/bm400290u] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
These studies illustrate synthetic paths to covalently attach T1 and Φ11 bacteriophages (phages) to inert polymeric surfaces while maintaining the bacteriophage's biological activities capable of killing deadly human pathogens. The first step involved the formation of acid (COOH) groups on polyethylene (PE) and polytetrafluoroethylene (PTFE) surfaces using microwave plasma reactions in the presence of maleic anhydride, followed by covalent attachment of T1 and Φ11 species via primary amine groups. The phages effectively retain their biological activity manifested by a rapid infection with their own DNA and effective destruction of Escherichia coli and Staphylococcus aureus human pathogens. These studies show that simultaneous covalent attachment of two biologically active phages effectively destroy both bacterial colonies and eliminate biofilm formation, thus offering an opportunity for an effective combat against multibacterial colonies as well as surface detections of other pathogens.
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Affiliation(s)
- Heather A Pearson
- Department of Materials Science and Engineering, Center for Optical Materials Science and Engineering Technologies (COMSET), Clemson University, Clemson, South Carolina 29634, United States
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30
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Wang L, Cui Q, Chen XF, Li Y, Li ZQ, Wang D, Yang H. Novel Electric Responsive Columnar Liquid Crystals based on Perylene Tetra sec-alkyl Ester Derivatives. Aust J Chem 2013. [DOI: 10.1071/ch13057] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
A series of novel perylene tetra sec-alkyl ester compounds were successfully designed and synthesised. The photophysical properties were investigated and the UV absorption and fluorescence emission spectra displayed a mirror-image relationship. The compound PS8 showed the highest fluorescent quantum yield, while the fluorescence of PS8 was quenched in the aggregated state in mixed solvents. Moreover, the electrochemical properties of the perylene derivatives were studied to determine the molecules’ highest occupied molecular orbital and lowest unoccupied molecular orbital levels by cyclic voltammetry. The most important result was that PS8 exhibited a columnar phase at room temperature and was responsive to an electric field. PS8 could perpendicularly orient to an applied electric field. In addition, highly oriented face-on alignment was achieved on indium tin oxide-covered glass by thermal annealing.
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31
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Aumsuwan N, Pearson HA, Urban MW. Micro-patterning of streptavidin–biotin-ampicillin/heparin on poly(tetrafluoroethylene) (PTFE) surfaces: simultaneous antimicrobial and anticoagulant activity. Biomater Sci 2013; 1:711-718. [DOI: 10.1039/c3bm00187c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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32
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Rogachev AA, Yarmolenko MA, Rogachou AV, Tapalski DV, Liu X, Gorbachev DL. Morphology and structure of antibacterial nanocomposite organic–polymer and metal–polymer coatings deposited from active gas phase. RSC Adv 2013. [DOI: 10.1039/c3ra23284k] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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33
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Qi X, Gunawan P, Xu R, Chang MW. Cefalexin-immobilized multi-walled carbon nanotubes show strong antimicrobial and anti-adhesion properties. Chem Eng Sci 2012. [DOI: 10.1016/j.ces.2012.08.054] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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34
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Shalev T, Gopin A, Bauer M, Stark RW, Rahimipour S. Non-leaching antimicrobial surfaces through polydopamine bio-inspired coating of quaternary ammonium salts or an ultrashort antimicrobial lipopeptide. ACTA ACUST UNITED AC 2012. [DOI: 10.1039/c1jm13994k] [Citation(s) in RCA: 104] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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35
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Aumsuwan N, Ye SH, Wagner WR, Urban MW. Covalent attachment of multilayers on poly(tetrafluoroethylene) surfaces. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2011; 27:11106-11110. [PMID: 21800880 DOI: 10.1021/la201957a] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
These studies demonstrate a new approach of producing multifunctionalized coatings on poly(tetrafluoroethylene) (PTFE) surfaces by covalent attachments of multilayers (CAM) of heparin (HP) and poly(ethylene glycol) (PEG). This process can be universally applied to other covalently bonded species and was facilitated by microwave plasma reactions in the presence of maleic anhydride which, upon ring-opening and hydrolysis, provided covalent attachment of COOH groups to PTFE. These studies showed that alternating layers of PEG and HP can be covalently attached to COOH-PTFE surfaces, and the volume concentration and surface density of PEG and HP on the PTFE surface achieved by the CAM were 7.02-6.04 × 10(-3) g/cm(3) (2.1-1.8 × 10(-7) g/cm(2)) and 9.3-8.7 × 10(-3) g/cm(3) (2.8-2.6 × 10(-7) g/cm(2)), respectively. The CAM process may serve numerous applications when the covalent modification of inert polymeric substrates is required and particularly where the presence of bioactive species for biocompatibility enhancement is desirable.
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Affiliation(s)
- Nattharika Aumsuwan
- School of Polymers and High Performance Materials, Shelby F. Thames Polymer Science Research Center, The University of Southern Mississippi, Hattiesburg, Mississippi 39406, USA
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Ringot C, Sol V, Barrière M, Saad N, Bressollier P, Granet R, Couleaud P, Frochot C, Krausz P. Triazinyl Porphyrin-Based Photoactive Cotton Fabrics: Preparation, Characterization, and Antibacterial Activity. Biomacromolecules 2011; 12:1716-23. [DOI: 10.1021/bm200082d] [Citation(s) in RCA: 93] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Cyril Ringot
- Laboratoire de Chimie des Substances Naturelles, Université de Limoges, EA 1069, 123 avenue Albert Thomas, 87060 Limoges, France
| | - Vincent Sol
- Laboratoire de Chimie des Substances Naturelles, Université de Limoges, EA 1069, 123 avenue Albert Thomas, 87060 Limoges, France
- GDR CNRS 3049, Médicaments Photoactivables−Photochimiothérapie (PHOTOMED), France
| | - Matthieu Barrière
- Laboratoire de Chimie des Substances Naturelles, Université de Limoges, EA 1069, 123 avenue Albert Thomas, 87060 Limoges, France
| | - Naïma Saad
- Laboratoire de Chimie des Substances Naturelles, Université de Limoges, EA 1069, 123 avenue Albert Thomas, 87060 Limoges, France
| | - Philippe Bressollier
- Laboratoire de Chimie des Substances Naturelles, Université de Limoges, EA 1069, 123 avenue Albert Thomas, 87060 Limoges, France
| | - Robert Granet
- Laboratoire de Chimie des Substances Naturelles, Université de Limoges, EA 1069, 123 avenue Albert Thomas, 87060 Limoges, France
| | - Pierre Couleaud
- Laboratoire Réactions et Génie des Procédés, UPR 3349, Nancy-Université, CNRS, 1 rue Grandville, F-54001 Nancy, France
| | - Céline Frochot
- Laboratoire Réactions et Génie des Procédés, UPR 3349, Nancy-Université, CNRS, 1 rue Grandville, F-54001 Nancy, France
- GDR CNRS 3049, Médicaments Photoactivables−Photochimiothérapie (PHOTOMED), France
| | - Pierre Krausz
- Laboratoire de Chimie des Substances Naturelles, Université de Limoges, EA 1069, 123 avenue Albert Thomas, 87060 Limoges, France
- GDR CNRS 3049, Médicaments Photoactivables−Photochimiothérapie (PHOTOMED), France
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Covalent immobilization of antimicrobial peptides (AMPs) onto biomaterial surfaces. Acta Biomater 2011; 7:1431-40. [PMID: 21056701 DOI: 10.1016/j.actbio.2010.11.005] [Citation(s) in RCA: 374] [Impact Index Per Article: 28.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2010] [Revised: 10/05/2010] [Accepted: 11/01/2010] [Indexed: 11/22/2022]
Abstract
Bacterial adhesion to biomaterials remains a major problem in the medical devices field. Antimicrobial peptides (AMPs) are well-known components of the innate immune system that can be applied to overcome biofilm-associated infections. Their relevance has been increasing as a practical alternative to conventional antibiotics, which are declining in effectiveness. The recent interest focused on these peptides can be explained by a group of special features, including a wide spectrum of activity, high efficacy at very low concentrations, target specificity, anti-endotoxin activity, synergistic action with classical antibiotics, and low propensity for developing resistance. Therefore, the development of an antimicrobial coating with such properties would be worthwhile. The immobilization of AMPs onto a biomaterial surface has further advantages as it also helps to circumvent AMPs' potential limitations, such as short half-life and cytotoxicity associated with higher concentrations of soluble peptides. The studies discussed in the current review report on the impact of covalent immobilization of AMPs onto surfaces through different chemical coupling strategies, length of spacers, and peptide orientation and concentration. The overall results suggest that immobilized AMPs may be effective in the prevention of biofilm formation by reduction of microorganism survival post-contact with the coated biomaterial. Minimal cytotoxicity and long-term stability profiles were obtained by optimizing immobilization parameters, indicating a promising potential for the use of immobilized AMPs in clinical applications. On the other hand, the effects of tethering on mechanisms of action of AMPs have not yet been fully elucidated. Therefore, further studies are recommended to explore the real potential of immobilized AMPs in health applications as antimicrobial coatings of medical devices.
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Godballe T, Nilsson LL, Petersen PD, Jenssen H. Antimicrobial β-Peptides and α-Peptoids. Chem Biol Drug Des 2011; 77:107-16. [DOI: 10.1111/j.1747-0285.2010.01067.x] [Citation(s) in RCA: 99] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Song LX, Wang M, Pan SZ, Yang J, Chen J, Yang J. Molybdenum oxide nanoparticles: preparation, characterization, and application in heterogeneous catalysis. ACTA ACUST UNITED AC 2011. [DOI: 10.1039/c1jm10252d] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Chen CP, Wickstrom E. Self-protecting bactericidal titanium alloy surface formed by covalent bonding of daptomycin bisphosphonates. Bioconjug Chem 2010; 21:1978-86. [PMID: 20949909 DOI: 10.1021/bc100136e] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Infections are a devastating complication of titanium alloy orthopedic implants. Current therapy includes antibiotic-impregnated bone cement and antibiotic-containing coatings. We hypothesized that daptomycin, a Gram-positive peptide antibiotic, could prevent bacterial colonization on titanium alloy surfaces if covalently bonded via a flexible, hydrophilic spacer. We designed and synthesized a series of daptomycin conjugates for bonding to the surface of 1.0 cm² Ti6Al4V foils through bisphosphonate groups, reaching a maximum yield of 180 pmol/cm². Daptomycin-bonded foils killed 53 ± 5% of a high challenge dose of 3 × 10⁵ cfu Staphylococcus aureus ATCC 29213.
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Affiliation(s)
- Chang-Po Chen
- Department of Biochemistry and Molecular Biology, Thomas Jefferson University, Philadelphia, Pennsylvania 19107, United States
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Cheng G, Xue H, Li G, Jiang S. Integrated antimicrobial and nonfouling hydrogels to inhibit the growth of planktonic bacterial cells and keep the surface clean. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2010; 26:10425-10428. [PMID: 20518560 DOI: 10.1021/la101542m] [Citation(s) in RCA: 86] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
A new strategy integrating antimicrobial and nonfouling/biocompatible properties is presented. A mild antimicrobial agent (salicylate) was incorporated into a carboxybetaine ester hydrogel, poly(N,N-dimethyl-N-(ethylcarbonylmethyl)-N-[2-(methacryloyloxy)-ethyl]ammonium salicylate) (pCBMA-1 C2 SA) hydrogel, as its anionic counterion. This new hydrogel provides a sustained release of antimicrobial agents to inhibit the growth of planktonic bacteria and create a nonfouling surface to prevent protein adsorption or bacterial accumulation upon the hydrolysis of carboxybetaine esters into zwitterionic groups. The pCBMA-1 C2 SA hydrogel inhibited the growth of both gram-negative Escherichia coli K12 and gram-positive Staphylococcus epidermidis by 99.9%. This hydrogel holds great potential in applications such as wound dressing and surface coatings for medical devices.
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Affiliation(s)
- Gang Cheng
- Department of Chemical Engineering, University of Washington, Seattle, Washington 98195, USA
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Yu M, Urban MW. Polymeric Surfaces with Anticoagulant, Antifouling, and Antimicrobial Attributes. ACTA ACUST UNITED AC 2009. [DOI: 10.1002/masy.200950936] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Ferreira L, Zumbuehl A. Non-leaching surfaces capable of killing microorganisms on contact. ACTA ACUST UNITED AC 2009. [DOI: 10.1039/b905668h] [Citation(s) in RCA: 132] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Zhang W, Luo Y, Wang H, Jiang J, Pu S, Chu PK. Ag and Ag/N2 plasma modification of polyethylene for the enhancement of antibacterial properties and cell growth/proliferation. Acta Biomater 2008; 4:2028-36. [PMID: 18586586 DOI: 10.1016/j.actbio.2008.05.012] [Citation(s) in RCA: 73] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2007] [Revised: 05/10/2008] [Accepted: 05/12/2008] [Indexed: 11/30/2022]
Abstract
Polyethylene (PE) is one of the most common materials used for medical implants. However, it usually possesses low biocompatibility and insufficient antibacterial properties. In the work described here, plasma immersion ion implantation (PIII) is employed to implant silver into PE to enhance both its antibacterial properties and its biocompatibility. Our results show that Ag PIII can give rise to excellent antibacterial properties and induces the formation of functional groups such as C-O and C=C. These C-O and C=C groups on the modified surface can trigger the growth of the human fetal osteoblastic cell line (hFOB). Furthermore, combining N(2) and Ag PIII prolongs the antibacterial effects, but nitrogen-containing functional groups such as C-N and C=N created by N(2) co-PIII negatively impact proliferation of hFOB on the surface. According to our experimental investigation on cell proliferation, functional groups such as C-N and C=N created by nitrogen PIII are disadvantageous to cell growth whereas the C-O and C=C groups benefit cell growth. Both the antibacterial activity and biocompatibility of PE can be enhanced by means of the proper plasma surface treatment.
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Affiliation(s)
- Wei Zhang
- Department of Physics and Materials Science, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China
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Aumsuwan N, Danyus RC, Heinhorst S, Urban MW. Attachment of Ampicillin to Expanded Poly(tetrafluoroethylene): Surface Reactions Leading to Inhibition of Microbial Growth. Biomacromolecules 2008; 9:1712-8. [DOI: 10.1021/bm800176t] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Nattharika Aumsuwan
- School of Polymers and High Performance Materials, Shelby F. Thames Polymer Science Research Center, and Department of Chemistry and Biochemistry, The University of Southern Mississippi, Hattiesburg, Mississippi 39406
| | - Ryan C. Danyus
- School of Polymers and High Performance Materials, Shelby F. Thames Polymer Science Research Center, and Department of Chemistry and Biochemistry, The University of Southern Mississippi, Hattiesburg, Mississippi 39406
| | - Sabine Heinhorst
- School of Polymers and High Performance Materials, Shelby F. Thames Polymer Science Research Center, and Department of Chemistry and Biochemistry, The University of Southern Mississippi, Hattiesburg, Mississippi 39406
| | - Marek W. Urban
- School of Polymers and High Performance Materials, Shelby F. Thames Polymer Science Research Center, and Department of Chemistry and Biochemistry, The University of Southern Mississippi, Hattiesburg, Mississippi 39406
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Statz AR, Park JP, Chongsiriwatana NP, Barron AE, Messersmith PB. Surface-immobilised antimicrobial peptoids. BIOFOULING 2008; 24:439-48. [PMID: 18696290 PMCID: PMC2654338 DOI: 10.1080/08927010802331829] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Surface modification techniques that create surfaces capable of killing adherent bacteria are promising solutions to infections associated with implantable medical devices. Antimicrobial (AM) peptoid oligomers (ampetoids) that were designed to mimic helical AM peptides were synthesised with a peptoid spacer chain to allow mobility and an adhesive peptide moiety for easy and robust immobilisation onto substrata. TiO(2) substrata were modified with the ampetoids and subsequently backfilled with an antifouling (AF) polypeptoid polymer in order to create polymer surface coatings composed of both AM (active) and AF (passive) peptoid functionalities. Confocal microscopy images showed that the membranes of adherent E. coli cells were damaged after 2-h exposure to the modified substrata, suggesting that ampetoids retain AM properties even when immobilised on substrata.
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Affiliation(s)
- Andrea R. Statz
- Department of Biomedical Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208
| | - Jong Pil Park
- Department of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208
| | - Nathaniel P. Chongsiriwatana
- Department of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208
| | - Annelise E. Barron
- Department of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208
- Institute for Bionanotechnology in Medicine, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208
| | - Phillip B. Messersmith
- Department of Biomedical Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208
- Department of Materials Science and Engineering, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208
- Institute for Bionanotechnology in Medicine, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208
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Aumsuwan N, Heinhorst S, Urban MW. The Effectiveness of Antibiotic Activity of Penicillin Attached to Expanded Poly(tetrafluoroethylene) (ePTFE) Surfaces: A Quantitative Assessment. Biomacromolecules 2007; 8:3525-30. [DOI: 10.1021/bm700803e] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Nattharika Aumsuwan
- School of Polymers and High Performance Materials, Shelby F. Thames Polymer Science Research Center, and Department of Chemistry and Biochemistry, The University of Southern Mississippi, Hattiesburg, Mississippi 39406
| | - Sabine Heinhorst
- School of Polymers and High Performance Materials, Shelby F. Thames Polymer Science Research Center, and Department of Chemistry and Biochemistry, The University of Southern Mississippi, Hattiesburg, Mississippi 39406
| | - Marek W. Urban
- School of Polymers and High Performance Materials, Shelby F. Thames Polymer Science Research Center, and Department of Chemistry and Biochemistry, The University of Southern Mississippi, Hattiesburg, Mississippi 39406
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