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Sánchez-Rodríguez DE, Muñoz-Ochoa M, González-Acosta B, Aguila-Ramírez RN. Biofouling inhibition by Staphylococcus aureus extracts and their potential use for paints. Int Microbiol 2024; 27:81-90. [PMID: 37166536 DOI: 10.1007/s10123-023-00371-z] [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: 03/03/2023] [Revised: 04/26/2023] [Accepted: 05/03/2023] [Indexed: 05/12/2023]
Abstract
For the control of biofouling, some paints based on compounds that are toxic to marine organisms have been used. There is an intensive search for biodegradable solutions that are friendly to non-target organisms. Bacteria have been shown to be a source of compounds with antifouling potential. In this work, the antifouling activity of a strain of Staphylococcus aureus was evaluated. Extracts activity against biofilm-forming bacteria and the toxicity against Artemia franciscana were evaluated. The extracts were incorporated in a hard gel and a paint matrix, and they were exposed to the sea. In both the laboratory and field, we found that the compounds produced by S. aureus have antifouling activity. The non-toxicity of the tested extracts against Artemia franciscana nauplii suggests that the extracts obtained from S. aureus could have a low ecological impact over non-target organisms. Significant differences were found in the percentage of organisms cover in hard gels with extracts and control. After 90 days, important differences were also observed between the percentage of organisms cover of the paints that contained extracts and the control. Dichloromethane extract is the most effective for the inhibition or delay of the settlement of organisms For this reason, they could be used in matrices with different applications, such as in the shipping industry, aquaculture, or any other in which biofouling is a cause of inconvenience.
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Affiliation(s)
| | - Mauricio Muñoz-Ochoa
- Instituto Politecnico Nacional-Centro Interdisciplinario de Ciencias Marinas, La Paz, Baja California Sur, Mexico
| | - Bárbara González-Acosta
- Instituto Politecnico Nacional-Centro Interdisciplinario de Ciencias Marinas, La Paz, Baja California Sur, Mexico
| | - Ruth Noemí Aguila-Ramírez
- Instituto Politecnico Nacional-Centro Interdisciplinario de Ciencias Marinas, La Paz, Baja California Sur, Mexico.
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2
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Naik AT, Kamensky KM, Hellum AM, Moisander PH. Disturbance frequency directs microbial community succession in marine biofilms exposed to shear. mSphere 2023; 8:e0024823. [PMID: 37931135 PMCID: PMC10790581 DOI: 10.1128/msphere.00248-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 08/30/2023] [Indexed: 11/08/2023] Open
Abstract
IMPORTANCE Disturbances are major drivers of community succession in many microbial systems; however, relatively little is known about marine biofilm community succession, especially under antifouling disturbance. Antifouling technologies exert strong local disturbances on marine biofilms, and resulting biomass losses can be accompanied by shifts in biofilm community composition and succession. We address this gap in knowledge by bridging microbial ecology with antifouling technology development. We show that disturbance by shear can strongly alter marine biofilm community succession, acting as a selective filter influenced by frequency of exposure. Examining marine biofilm succession patterns with and without shear revealed stable associations between key prokaryotic and eukaryotic taxa, highlighting the importance of cross-domain assessment in future marine biofilm research. Describing how compounded top-down and bottom-up disturbances shape the succession of marine biofilms is valuable for understanding the assembly and stability of these complex microbial communities and predicting species invasiveness.
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Affiliation(s)
- Abhishek T. Naik
- Department of Biology, University of Massachusetts Dartmouth, North Dartmouth, Massachusetts, USA
- School of Marine Science and Technology, University of Massachusetts Dartmouth, New Bedford, Massachusetts, USA
| | | | - Aren M. Hellum
- Naval Undersea Warfare Center, Newport, Rhode Island, USA
| | - Pia H. Moisander
- Department of Biology, University of Massachusetts Dartmouth, North Dartmouth, Massachusetts, USA
- School of Marine Science and Technology, University of Massachusetts Dartmouth, New Bedford, Massachusetts, USA
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3
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Pulletikurthi V, Esquivel-Puentes HA, Cheng S, Chamorro LP, Castillo L. Impact of flow regime on the performance of anti-biofouling coatings. Sci Rep 2023; 13:9501. [PMID: 37308518 DOI: 10.1038/s41598-023-36736-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 06/08/2023] [Indexed: 06/14/2023] Open
Abstract
Biofouling poses significant challenges for marine transportation due to increased skin drag, which results in increased fuel cost and associated [Formula: see text] emissions. Current antifouling methods involving polymer coating, biocides, and self-depleting layers harm marine ecosystems and contribute to marine pollution. Significant advancements have resulted in using bioinspired coatings to address this issue. However, prior investigations have predominantly focused on wettability and adhesion aspects, resulting in a limited understanding of the impact of flow regime on bioinspired structure patterns for antifouling. We conducted comprehensive experiments with two bioinspired coatings1 under laminar and turbulent flow regimes and compared them with a smooth surface. The two coatings are composed of regular arrangements of micropillars measuring 85 μm in height and spaced at 180 μm (pattern A) and 50 μm high micropillars spaced at 220 μm (pattern B). Theoretical arguments indicate that wall-normal velocity fluctuations near the micropillars' top significantly contribute to reducing the onset of biofouling under turbulence compared to the smooth surface. Pattern A coating can effectively decrease biofouling by 90% for fouling sizes exceeding 80 microns when compared to a smooth surface subjected to a turbulent flow regime. The coatings exhibited comparable anti-biofouling properties under a laminar flow. Also, the smooth surface experienced substantially higher biofouling under laminar flow compared to turbulent conditions. This underscores how the effectiveness of anti-biofouling approaches is critically influenced by the flow regime.
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Affiliation(s)
| | | | - Shyuan Cheng
- Department of Mechanical Science and Engineering, University of Illinois Urbana-Champaign, IL, 61801, Champaign, USA
| | - Leonardo P Chamorro
- Department of Mechanical Science and Engineering, University of Illinois Urbana-Champaign, IL, 61801, Champaign, USA
| | - Luciano Castillo
- School of Mechanical Engineering, Purdue University, West Lafayette, IN, 47906, USA
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4
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She W, Ye W, Cheng A, Ye W, Ma C, Wang R, Cheng J, Liu X, Yuan Y, Chik SY, Limlingan Malit JJ, Lu Y, Chen F, Qian PY. Discovery, Yield Improvement, and Application in Marine Coatings of Potent Antifouling Compounds Albofungins Targeting Multiple Fouling Organisms. Front Microbiol 2022; 13:906345. [PMID: 35875539 PMCID: PMC9300314 DOI: 10.3389/fmicb.2022.906345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 06/06/2022] [Indexed: 11/25/2022] Open
Abstract
Marine biofouling caused huge economic losses of maritime industries. We aim to develop high-efficient, less-toxic, and cost-effective antifoulants to solve the problems of biofouling. In this study, we described the antifouling compounds albofungin and its derivatives (albofungin A, chrestoxanthone A, and chloroalbofungin) isolated from the metabolites of bacterium Streptomyces chrestomyceticus BCC 24770, the construction of high-yield strains for albofungin production, and application of albofungin-based antifouling coatings. Results showed that these albofungins have potent antibiofilm activities against Gram-positive and Gram-negative bacteria and anti-macrofouling activities against larval settlement of major fouling organisms with low cytotoxicity. With the best antifouling activity and highest yield in bacterial culture, albofungin was subsequently incorporated with hydrolyzable and degradable copolymer to form antifouling coatings, which altered biofilm structures and prevented the settlement of macrofouling organisms in marine environments. Our results suggested that albofungins were promising antifouling compounds with potential application in marine environments.
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Affiliation(s)
- Weiyi She
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China.,Department of Ocean Science and Hong Kong Brach of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Hong Kong University of Science and Technology, Hong Kong, China.,SZU-HKUST Joint PhD Program in Marine Environmental Science, Shenzhen University, Shenzhen, China
| | - Wei Ye
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China.,Department of Ocean Science and Hong Kong Brach of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Hong Kong University of Science and Technology, Hong Kong, China
| | - Aifang Cheng
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China.,Department of Ocean Science and Hong Kong Brach of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Hong Kong University of Science and Technology, Hong Kong, China
| | - Wenkang Ye
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China.,Department of Ocean Science and Hong Kong Brach of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Hong Kong University of Science and Technology, Hong Kong, China.,SZU-HKUST Joint PhD Program in Marine Environmental Science, Shenzhen University, Shenzhen, China
| | - Chunfeng Ma
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou, China
| | - Ruojun Wang
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China.,Department of Ocean Science and Hong Kong Brach of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Hong Kong University of Science and Technology, Hong Kong, China
| | - Jinping Cheng
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China.,Department of Ocean Science and Hong Kong Brach of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Hong Kong University of Science and Technology, Hong Kong, China
| | - Xuan Liu
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China.,Department of Ocean Science and Hong Kong Brach of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Hong Kong University of Science and Technology, Hong Kong, China
| | - Yujing Yuan
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China.,Department of Ocean Science and Hong Kong Brach of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Hong Kong University of Science and Technology, Hong Kong, China
| | - Sin Yu Chik
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China.,Department of Ocean Science and Hong Kong Brach of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Hong Kong University of Science and Technology, Hong Kong, China
| | - Jessie James Limlingan Malit
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China.,Department of Ocean Science and Hong Kong Brach of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Hong Kong University of Science and Technology, Hong Kong, China
| | - Yanhong Lu
- Department of Ocean Science and Hong Kong Brach of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Hong Kong University of Science and Technology, Hong Kong, China.,SZU-HKUST Joint PhD Program in Marine Environmental Science, Shenzhen University, Shenzhen, China
| | - Feng Chen
- Institute for Advanced Study, Shenzhen University, Shenzhen, China
| | - Pei-Yuan Qian
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, China.,Department of Ocean Science and Hong Kong Brach of Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Hong Kong University of Science and Technology, Hong Kong, China
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5
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Sarkar PK, Pawar SS, Rath SK, Kandasubramanian B. Anti-barnacle biofouling coatings for the protection of marine vessels: synthesis and progress. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:26078-26112. [PMID: 35076840 DOI: 10.1007/s11356-021-18404-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 12/26/2021] [Indexed: 06/14/2023]
Abstract
Marine biofouling has gnawed both mobile and non-mobile marine structures since time immemorial, leading to the deterioration of designed operational capabilities as well as a loss of valuable economic revenues. Mitigation of biofouling has been the primary focus of researchers and scientists from across the globe to save billions of dollars wasted due to the biological fouling of marine structures. The availability of an appropriate environment along with favorable substrata initiates biofilm formation within a few minutes. The crucial element in establishing a gelatinous biofilm is the excreted metabolites of destructive nature and exopolymeric substances (EPSs). These help in securing as well as signaling numerous foulants to establish themselves on this substrate. The larvae of various benthic invertebrates adhere to these suitable surfaces and transform from juveniles to adult barnacles depending upon the environment. Despite biofouling being characteristically witnessed for a month or lengthier timeframe, the preliminary phases of the fouling process typically transpire on a much lesser timescale. A few natural and synthetic additives had demonstrated excellent non-toxic anti barnacle establishment capability; however, further development into commercial products is still far-fetched. This review collates the specific anti-barnacle coatings, emphasizing natural additives, their sources of extraction, general life cycle analysis, and concluding future perspectives of this niche product.
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Affiliation(s)
- Pramit Kumar Sarkar
- Nano Surface Texturing Laboratory, Department of Metallurgical and Materials Engineering, Defence Institute of Advanced, Technology (DU), Ministry of Defence, Girinagar, Pune, 411025, India
- Mazagon Dock Shipbuilders Ltd, Ministry of Defence, Dockyard Road, Mumbai, 400010, Maharashtra, India
| | - Sushil S Pawar
- Protective Coatings Department, Naval Materials Research Laboratory, Ministry of Defence, DRDO, Ambernath, 421506, Maharashtra, India
| | - Sangram K Rath
- Protective Coatings Department, Naval Materials Research Laboratory, Ministry of Defence, DRDO, Ambernath, 421506, Maharashtra, India
| | - Balasubramanian Kandasubramanian
- Nano Surface Texturing Laboratory, Department of Metallurgical and Materials Engineering, Defence Institute of Advanced, Technology (DU), Ministry of Defence, Girinagar, Pune, 411025, India.
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6
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Quémener M, Kikionis S, Fauchon M, Toueix Y, Aulanier F, Makris AM, Roussis V, Ioannou E, Hellio C. Antifouling Activity of Halogenated Compounds Derived from the Red Alga Sphaerococcus coronopifolius: Potential for the Development of Environmentally Friendly Solutions. Mar Drugs 2021; 20:md20010032. [PMID: 35049887 PMCID: PMC8778584 DOI: 10.3390/md20010032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 12/23/2021] [Accepted: 12/23/2021] [Indexed: 11/24/2022] Open
Abstract
Nowadays, biofouling is responsible for enormous economic losses in the maritime sector, and its treatment with conventional antifouling paints is causing significant problems to the environment. Biomimetism and green chemistry approaches are very promising research strategies for the discovery of new antifouling compounds. This study focused on the red alga Sphaerococcus coronopifolius, which is known as a producer of bioactive secondary metabolites. Fifteen compounds, including bromosphaerol (1), were tested against key marine biofoulers (five marine bacteria and three microalgae) and two enzymes associated with the adhesion process in macroalgae and invertebrates. Each metabolite presented antifouling activity against at least one organism/enzyme. This investigation also revealed that two compounds, sphaerococcinol A (4) and 14R-hydroxy-13,14-dihydro-sphaerococcinol A (5), were the most potent compounds without toxicity towards oyster larvae used as non-target organisms. These compounds are of high potential as they are active towards key biofoulers and could be produced by a cultivable alga, a fact that is important from the green chemistry point of view.
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Affiliation(s)
- Maxence Quémener
- Laboratoire des Sciences de l’Environnement Marin (LEMAR), Université de Brest, CNRS, IRD, Ifremer, F-29280 Plouzané, France; (M.Q.); (M.F.); (Y.T.); (F.A.)
| | - Stefanos Kikionis
- Section of Pharmacognosy and Chemistry of Natural Products, Department of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece; (S.K.); (V.R.)
| | - Marilyne Fauchon
- Laboratoire des Sciences de l’Environnement Marin (LEMAR), Université de Brest, CNRS, IRD, Ifremer, F-29280 Plouzané, France; (M.Q.); (M.F.); (Y.T.); (F.A.)
| | - Yannick Toueix
- Laboratoire des Sciences de l’Environnement Marin (LEMAR), Université de Brest, CNRS, IRD, Ifremer, F-29280 Plouzané, France; (M.Q.); (M.F.); (Y.T.); (F.A.)
| | - Fanny Aulanier
- Laboratoire des Sciences de l’Environnement Marin (LEMAR), Université de Brest, CNRS, IRD, Ifremer, F-29280 Plouzané, France; (M.Q.); (M.F.); (Y.T.); (F.A.)
| | - Antonios M. Makris
- Institute of Applied Biosciences, Centre for Research & Technology, Hellas (CERTH), 570 01 Thessaloniki, Greece;
| | - Vassilios Roussis
- Section of Pharmacognosy and Chemistry of Natural Products, Department of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece; (S.K.); (V.R.)
| | - Efstathia Ioannou
- Section of Pharmacognosy and Chemistry of Natural Products, Department of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece; (S.K.); (V.R.)
- Correspondence: (E.I.); (C.H.)
| | - Claire Hellio
- Laboratoire des Sciences de l’Environnement Marin (LEMAR), Université de Brest, CNRS, IRD, Ifremer, F-29280 Plouzané, France; (M.Q.); (M.F.); (Y.T.); (F.A.)
- Correspondence: (E.I.); (C.H.)
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7
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Natterson-Horowitz B, Baccouche BM, Mary J, Shivkumar T, Bertelsen MF, Aalkjær C, Smerup MH, Ajijola OA, Hadaya J, Wang T. Did giraffe cardiovascular evolution solve the problem of heart failure with preserved ejection fraction? EVOLUTION MEDICINE AND PUBLIC HEALTH 2021; 9:248-255. [PMID: 34447575 PMCID: PMC8385250 DOI: 10.1093/emph/eoab016] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 06/04/2021] [Indexed: 11/18/2022]
Abstract
The evolved adaptations of other species can be a source of insight for novel biomedical innovation. Limitations of traditional animal models for the study of some pathologies are fueling efforts to find new approaches to biomedical investigation. One emerging approach recognizes the evolved adaptations in other species as possible solutions to human pathology. The giraffe heart, for example, appears resistant to pathology related to heart failure with preserved ejection fraction (HFpEF)—a leading form of hypertension-associated cardiovascular disease in humans. Here, we postulate that the physiological pressure-induced left ventricular thickening in giraffes does not result in the pathological cardiovascular changes observed in humans with hypertension. The mechanisms underlying this cardiovascular adaptation to high blood pressure in the giraffe may be a bioinspired roadmap for preventive and therapeutic strategies for human HFpEF.
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Affiliation(s)
- Barbara Natterson-Horowitz
- Department of Medicine, Harvard Medical School, Boston, MA, USA.,Department of Human Evolutionary Biology, Harvard University, Cambridge, MA, USA.,Division of Cardiology, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Basil M Baccouche
- Department of Human Evolutionary Biology, Harvard University, Cambridge, MA, USA.,Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
| | - Jennifer Mary
- Zoobiquity Research Initiative at UCLA, Los Angeles, CA 90024, USA
| | | | | | | | - Morten H Smerup
- Department of Cardiothoracic Surgery, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - Olujimi A Ajijola
- UCLA Cardiac Arrhythmia Center, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Joseph Hadaya
- UCLA Cardiac Arrhythmia Center, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA.,Molecular, Cellular and Integrative Physiology Program, UCLA, Los Angeles, CA, USA
| | - Tobias Wang
- Zoophysiology, Department of Biology, Aarhus University, Aarhus, Denmark
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8
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Composite Slow-Release Fouling Release Coating Inspired by Synergistic Anti-Fouling Effect of Scaly Fish. Polymers (Basel) 2021; 13:polym13162602. [PMID: 34451141 PMCID: PMC8401683 DOI: 10.3390/polym13162602] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 08/02/2021] [Accepted: 08/02/2021] [Indexed: 01/07/2023] Open
Abstract
Inspired by the antifouling properties of scaly fish, the conventional silicone coating with phenylmethylsilicone oil (PSO/PDMS) composite coating was fabricated and modified with single layer polystyrene (PS) microsphere (PSO/PDMS-PS) arrays. The fish scale like micro-nano structures were fabricated on the surface of bio-inspired coating, which can reduce the contact area with the secreted protein membrane of fouling organisms effectively and prevent further adhesion between fouling organisms and bio-inspired coating. Meanwhile, PSO exuded to the coating surface has the similar function with mucus secreted by fish epidermis, which make the coating surface slithery and will be polished with the fouling organisms in turbulent waters. Compared to PSO/PDMS coating without any structure and conventional silicone coating, PSO/PDMS-PS showed better antiadhesion activity against both marine bacteria and benthic diatom (Navicula sp.). Additionally, the existence of PS microspheres can reduce the release rate of PSO greatly, which will extend the service life of coating. Compared to PSO/PDMS coating, the sustained release efficiency of PSO/PDMS-PS coating can reach 23.2%. This facile method for fabricating the bio-inspired composite slow-release antifouling coating shows a widely fabricating path for the development of synergistic anti-fouling coating.
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9
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Levert A, Foulon V, Fauchon M, Tapissier-Bontemps N, Banaigs B, Hellio C. Antifouling Activity of Meroterpenes Isolated from the Ascidian Aplidium aff. densum. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2021; 23:51-61. [PMID: 33094389 DOI: 10.1007/s10126-020-10000-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 09/25/2020] [Indexed: 06/11/2023]
Abstract
The settlement and growth of fouling organisms on man-made surfaces can be prevented by the application of antifouling paints containing active compounds (biocides, heavy metals), most of which are toxic to non-target organisms. As part of our research program in chemical ecology and blue biotechnology, we are conducting studies to investigate the natural defence mechanisms of marine organisms that are free from epibionts, with the aim of isolating molecules involved in surface defence that could be good candidates as antifouling agents. Ascidians were selected for our investigation because previous studies have shown that they contain abundant and diverse secondary metabolites, which play a defensive role and have been applied to drug discovery. It is therefore relevant to study the role of such secondary metabolites in surface protection. In this study, 5 meroterpenoids (cordiachromene A, didehydroconicol, epiconicol, methoxyconidiol, conidione) from Aplidium aff. densum (ascidian) were investigated as potential antifoulants towards the inhibition of bacterial growth and settlement inhibition of barnacles. Cardiochromene A (IC50 barnacle settlement = 6.04 μg/mL; MIC Gram positive = 125 μg/mL; MIC Gram negative = 32 μg/mL) and epiconicol (IC50 barnacle settlement = 8.05 μg/mL; MIC Bacillus = 63 μg/mL; MIC other strains = 32 μg/mL) were the most promising compounds among those tested in this study.
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Affiliation(s)
- Annabel Levert
- Université de Perpignan, USR CNRS-EPHE-UPVD 3278, CRIOBE, 66860, Perpignan Cedex, France
- AkiNaO SAS, 58 avenue Paul Alduy, 66000, Perpignan, France
| | - Valentin Foulon
- Laboratoire des Sciences de l'Environnement Marin (LEMAR) CNRS, IRD, Ifremer, Univ Brest, Plouzané, F-29280, France
| | - Marilyne Fauchon
- Laboratoire des Sciences de l'Environnement Marin (LEMAR) CNRS, IRD, Ifremer, Univ Brest, Plouzané, F-29280, France
| | - Nathalie Tapissier-Bontemps
- Université de Perpignan, USR CNRS-EPHE-UPVD 3278, CRIOBE, 66860, Perpignan Cedex, France
- Laboratoire d'Excellence "CORAIL", Perpignan, France
| | - Bernard Banaigs
- Université de Perpignan, USR CNRS-EPHE-UPVD 3278, CRIOBE, 66860, Perpignan Cedex, France
- Laboratoire d'Excellence "CORAIL", Perpignan, France
| | - Claire Hellio
- Laboratoire des Sciences de l'Environnement Marin (LEMAR) CNRS, IRD, Ifremer, Univ Brest, Plouzané, F-29280, France.
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10
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Kuliasha CA, Fedderwitz RL, Stafslien SJ, Finlay JA, Clare AS, Brennan AB. Anti-biofouling properties of poly(dimethyl siloxane) with RAFT photopolymerized acrylate/methacrylate surface grafts against model marine organisms. BIOFOULING 2021; 37:78-95. [PMID: 33491472 DOI: 10.1080/08927014.2021.1875216] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 01/05/2021] [Accepted: 01/07/2021] [Indexed: 06/12/2023]
Abstract
Biofouling of man-made surfaces by marine organisms is a global problem with both financial and environmental consequences. However, the development of non-toxic anti-biofouling coatings is challenged by the diversity of fouling organisms. One possible solution leverages coatings composed of diverse chemical constituents. Reversible addition-fragmentation chain-transfer (RAFT) photopolymerization was used to modify poly(dimethylsiloxane) (PDMSe) surfaces with polymeric grafts composed of three successive combinations of acrylamide, acrylic acid, and hydroxyethyl methacrylate. RAFT limited conflicting variables and allowed for the effect of graft chemistry to be isolated. While all compositions enhanced the anti-biofouling performance compared with the PDMSe control, the ternary, amphiphilic copolymer was the most effective with 98% inhibition of the attachment of zoospores of the green alga Ulva linza, 94% removal of cells of the diatom Navicula incerta, and 62% removal of cells of the bacterium Cellulophaga lytica. However, none of the graft compositions tested were able to mitigate reattachment of adult barnacles, Amphibalanus amphitrite.
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Affiliation(s)
- Cary A Kuliasha
- Department of Materials Science and Engineering, University of Florida, Gainesville, FL, USA
| | - Rebecca L Fedderwitz
- Department of Materials Science and Engineering, University of Florida, Gainesville, FL, USA
| | - Shane J Stafslien
- Department of Coatings and Polymeric Materials, North Dakota State University, Fargo, ND, USA
| | - John A Finlay
- School of Natural and Environmental Sciences, Newcastle University, Newcastle-upon-Tyne, UK
| | - Anthony S Clare
- School of Natural and Environmental Sciences, Newcastle University, Newcastle-upon-Tyne, UK
| | - Anthony B Brennan
- Department of Materials Science and Engineering, University of Florida, Gainesville, FL, USA
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11
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Tian L, Yin Y, Bing W, Jin E. Antifouling Technology Trends in Marine Environmental Protection. JOURNAL OF BIONIC ENGINEERING 2021; 18:239-263. [PMID: 33815489 PMCID: PMC7997792 DOI: 10.1007/s42235-021-0017-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Marine fouling is a worldwide problem, which is harmful to the global marine ecological environment and economic benefits. The traditional antifouling strategy usually uses toxic antifouling agents, which gradually exposes a serious environmental problem. Therefore, green, long-term, broad-spectrum and eco-friendly antifouling technologies have been the main target of engineers and researchers. In recent years, many eco-friendly antifouling technologies with broad application prospects have been developed based on the low toxicity and non-toxicity antifouling agents and materials. In this review, contemporary eco-friendly antifouling technologies and materials are summarized into bionic antifouling and non-bionic antifouling strategies (2000-2020). Non-bionic antifouling technologies mainly include protein resistant polymers, antifoulant releasing coatings, foul release coatings, conductive antifouling coatings and photodynamic antifouling technology. Bionic antifouling technologies mainly include the simulated shark skin, whale skin, dolphin skin, coral tentacles, lotus leaves and other biology structures. Brief future research directions and challenges are also discussed in the end, and we expect that this review would boost the development of marine antifouling technologies.
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Affiliation(s)
- Limei Tian
- Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun, 130022 China
- Weihai Institute for Bionics-Jilin University, Weihai, 264207 China
| | - Yue Yin
- Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun, 130022 China
| | - Wei Bing
- Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun, 130022 China
- School of Chemistry and Life Science, Changchun University of Technology, Changchun, 130012 China
| | - E. Jin
- Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun, 130022 China
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12
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Sullivan T, O’Callaghan I. Recent Developments in Biomimetic Antifouling Materials: A Review. Biomimetics (Basel) 2020; 5:E58. [PMID: 33143169 PMCID: PMC7709699 DOI: 10.3390/biomimetics5040058] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 10/15/2020] [Accepted: 10/28/2020] [Indexed: 11/22/2022] Open
Abstract
The term 'biomimetic' might be applied to any material or process that in some way reproduces, mimics, or is otherwise inspired by nature. Also variously termed bionic, bioinspired, biological design, or even green design, the idea of adapting or taking inspiration from a natural solution to solve a modern engineering problem has been of scientific interest since it was first proposed in the 1960s. Since then, the concept that natural materials and nature can provide inspiration for incredible breakthroughs and developments in terms of new technologies and entirely new approaches to solving technological problems has become widely accepted. This is very much evident in the fields of materials science, surface science, and coatings. In this review, we survey recent developments (primarily those within the last decade) in biomimetic approaches to antifouling, self-cleaning, or anti-biofilm technologies. We find that this field continues to mature, and emerging novel, biomimetic technologies are present at multiple stages in the development pipeline, with some becoming commercially available. However, we also note that the rate of commercialization of these technologies appears slow compared to the significant research output within the field.
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Affiliation(s)
- Timothy Sullivan
- School of Biological, Earth & Environmental Sciences, University College Cork, T23 TK30 Cork, Ireland;
- Environmental Research Institute, University College Cork, T23 XE10 Cork, Ireland
| | - Irene O’Callaghan
- School of Biological, Earth & Environmental Sciences, University College Cork, T23 TK30 Cork, Ireland;
- School of Chemistry, University College Cork, T12 K8AF Cork, Ireland
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13
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Erramilli S, Neumann TV, Chester D, Dickey MD, Brown AC, Genzer J. Effect of surface interactions on the settlement of particles on a sinusoidally corrugated substrate. RSC Adv 2020; 10:11348-11356. [PMID: 35495333 PMCID: PMC9050433 DOI: 10.1039/c9ra10297c] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2019] [Accepted: 03/06/2020] [Indexed: 12/15/2022] Open
Abstract
Naturally-occurring surface topographies abound in nature and endow diverse properties, i.e., superhydrophobicity, adhesion, anti-fouling, self-cleaning, anti-glare, anti-bacterial, and many others. Researchers have attempted to replicate such topographies to create human-made surfaces with desired functionalities. For example, combining the surface topography with judicial chemical composition could provide an effective, non-toxic solution to combat non-specific biofouling. A systematic look at the effect of geometry, modulus, and chemistry on adhesion is warranted. In this work, we use a model system that comprises silica (SiO x ) beads interacting with a substrate made of a commercial polydimethylsiloxane kit (PDMS, Sylgard 184) featuring a sinusoidal topography. To examine the impact of interactions on particle settlement, we functionalize the surfaces of both the PDMS substrate and the SiO x beads with polyacrylic acid (PAA) and polyethyleneimine (PEI), respectively. We also use the PDMS commercial kit coated with liquid glass (LG) to study the effect of the substrate modulus on particle settlement. Substrates with a higher aspect ratio (i.e., amplitude/periodicity) encourage adsorption of particles along the sides of the channel compared with substrates with lower aspect ratio. We employ colloidal probe microscopy to demonstrate the effect of interaction between the substrate and the particle. The interplay among the surface modulus, geometry, and interactions between the surface and the particle governs particle settlement on sinusoidally-corrugated substrates.
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Affiliation(s)
- Shreya Erramilli
- Department of Materials Science & Engineering, North Carolina State University Raleigh NC 27695-7907 USA
| | - Taylor V Neumann
- Department of Chemical & Biomolecular Engineering, North Carolina State University Raleigh NC 27695-7905 USA
| | - Daniel Chester
- Joint Department of Biomedical Engineering, North Carolina State University, University of North Carolina at Chapel Hill Raleigh NC 27695-7115 USA
- Comparative Medicine Institute, North Carolina State University Raleigh NC 27695-7905 USA
| | - Michael D Dickey
- Department of Chemical & Biomolecular Engineering, North Carolina State University Raleigh NC 27695-7905 USA
| | - Ashley C Brown
- Joint Department of Biomedical Engineering, North Carolina State University, University of North Carolina at Chapel Hill Raleigh NC 27695-7115 USA
- Comparative Medicine Institute, North Carolina State University Raleigh NC 27695-7905 USA
| | - Jan Genzer
- Department of Chemical & Biomolecular Engineering, North Carolina State University Raleigh NC 27695-7905 USA
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Kimmins KM, James BD, Nguyen MT, Hatton BD, Sone ED. Oil-Infused Silicone Prevents Zebra Mussel Adhesion. ACS APPLIED BIO MATERIALS 2019; 2:5841-5847. [DOI: 10.1021/acsabm.9b00832] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Kenneth M. Kimmins
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, 164 College Street, Room 407, Toronto, ON M5S 3G9, Canada
| | - Bryan D. James
- Department of Materials Science & Engineering, University of Toronto, 184 College Street, Room 140, Toronto, ON M5S 3E4, Canada
| | - Minh-Tam Nguyen
- Department of Materials Science & Engineering, University of Toronto, 184 College Street, Room 140, Toronto, ON M5S 3E4, Canada
| | - Benjamin D. Hatton
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, 164 College Street, Room 407, Toronto, ON M5S 3G9, Canada
- Department of Materials Science & Engineering, University of Toronto, 184 College Street, Room 140, Toronto, ON M5S 3E4, Canada
| | - Eli D. Sone
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, 164 College Street, Room 407, Toronto, ON M5S 3G9, Canada
- Department of Materials Science & Engineering, University of Toronto, 184 College Street, Room 140, Toronto, ON M5S 3E4, Canada
- Faculty of Dentistry, University of Toronto, 124 Edward Street, Toronto, ON M5G 1G6, Canada
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Agostini VO, Macedo AJ, Muxagata E, da Silva MV, Pinho GLL. Natural and non-toxic products from Fabaceae Brazilian plants as a replacement for traditional antifouling biocides: an inhibition potential against initial biofouling. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:27112-27127. [PMID: 31317435 DOI: 10.1007/s11356-019-05744-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 06/11/2019] [Indexed: 06/10/2023]
Abstract
In this study, we screened for the antifouling activity of 15 species plant extracts from Brazilian the Brazilian Caatinga Fabaceae against the initial colonization of natural marine bacterial biofilm. We also investigated the potential toxicity of extracts against planktonic and benthic non-target organisms. Aqueous extracts of plants collected in the Caatinga biome (PE, Brazil) were prepared and tested at different concentration levels (0, 0.5, 1, 2, 4, and 8 mg mL-1). Natural marine bacterial consortium was inoculated in multi-well plates and incubated with the different treatments for 48 h. The biofilm and planktonic bacterial density and biomass inhibition were evaluated along with biofilm biomass eradication. The extracts that showed the highest bacterial biofilm inhibition were evaluated for toxicity against microalgae and crustaceans. The biofilm and planktonic bacterial inhibition potential were evaluated through flow cytometry and spectrophotometry. The selected treatments were evaluated for their toxicity using the microalgae Chaetoceros calcitrans, the copepod Nitokra sp., and the brine shrimp Artemia salina as bioindicators. Our work demonstrates the biotechnological potential of Fabaceae plant compounds as a safe antifouling alternative. Anadenanthera colubrina var. cebil fruits and Apuleia leiocarpa leaf extracts showed antibiofilm activity (≥ 80%), while Myroxylon peruiferum and Dioclea grandiflora leaf extracts showed antibiotic activity. These extracts were safe to planktonic and benthic non-target organisms. The results of this study point to potential substitutes to highly toxic antifouling paints and shed light on the prospect of a yet to be explored biome for more sustainable alternatives in biofouling research.
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Affiliation(s)
- Vanessa Ochi Agostini
- Laboratório de Microcontaminantes Orgânicos e Ecotoxicologia Aquática - Instituto de Oceanografia da Universidade Federal do Rio Grande (FURG), Caixa Postal, 474, Rio Grande, RS, CEP: 96203-900, Brazil.
- Programa de Pós-graduação em Oceanologia (PPGO), Programa Nacional de Pós-Doutorado da Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (PNPD-CAPES), Rio Grande, RS, Brazil.
| | - Alexandre José Macedo
- Laboratório de Biofilmes e Diversidade Microbiana - Faculdade de Farmácia e Centro de Biotecnologia da Universidade Federal do Rio Grande do Sul (UFRGS), Av. Ipiranga, 2752, Bairro Azenha, Porto Alegre, RS, 90610-000, Brazil
| | - Erik Muxagata
- Laboratório de Zooplâncton - Instituto de Oceanografia da Universidade Federal do Rio Grande (FURG), Av. Itália, Km 8, Caixa Postal, 474, Rio Grande, RS, 96203-900, Brazil
| | - Márcia Vanusa da Silva
- Laboratório de Produtos Naturais - Departamento de Bioquímica da Universidade Federal de Pernambuco (UFPE), Av. Prof. Moraes Rego, 1235, Cidade Universitária, Recife, PE, 50670-901, Brazil
| | - Grasiela Lopes Leães Pinho
- Laboratório de Microcontaminantes Orgânicos e Ecotoxicologia Aquática - Instituto de Oceanografia da Universidade Federal do Rio Grande (FURG), Caixa Postal, 474, Rio Grande, RS, CEP: 96203-900, Brazil
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Carve M, Scardino A, Shimeta J. Effects of surface texture and interrelated properties on marine biofouling: a systematic review. BIOFOULING 2019; 35:597-617. [PMID: 31298039 DOI: 10.1080/08927014.2019.1636036] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 06/09/2019] [Accepted: 06/19/2019] [Indexed: 05/22/2023]
Abstract
This systematic review examines effects of surface texture on marine biofouling and characterizes key research methodologies. Seventy-five published articles met selection criteria for qualitative analysis; experimental data from 36 underwent quantitative meta-analysis. Most studies investigated fouling mechanisms and antifouling performance only in laboratory assays with one to several test species. Textures were almost exclusively a single layer of regularly arranged geometric features rather than complex hierarchical or irregular designs. Textures in general had no effect or an inconclusive effect on fouling in 46% of cases. However, effective textures more often decreased (35%) rather than increased (19%) fouling. Complex designs were more effective against fouling (51%) than were regular geometric features (32%). Ratios of feature height, width, or pitch to organism body length were significant influences. The authors recommend further research on promising complex and hierarchical texture designs with more test species, as well as field studies to ground-truth laboratory results.
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Affiliation(s)
- Megan Carve
- Centre for Environmental Sustainability and Remediation, School of Science, RMIT University, Bundoora, Victoria, Australia
| | - Andrew Scardino
- Maritime Division, Defence Science and Technology, Fishermans Bend, Victoria, Australia
| | - Jeff Shimeta
- Centre for Environmental Sustainability and Remediation, School of Science, RMIT University, Bundoora, Victoria, Australia
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17
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Fu J, Zhang H, Guo Z, Feng DQ, Thiyagarajan V, Yao H. Combat biofouling with microscopic ridge-like surface morphology: a bioinspired study. J R Soc Interface 2019. [PMID: 29514985 DOI: 10.1098/rsif.2017.0823] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Biofouling refers to the unfavourable attachment and accumulation of marine sessile organisms (e.g. barnacles, mussels and tubeworms) on the solid surfaces immerged in ocean. The enormous economic loss caused by biofouling in combination with the severe environmental impacts induced by the current antifouling approaches entails the development of novel antifouling strategies with least environmental impact. Inspired by the superior antifouling performance of the leaves of mangrove tree Sonneratia apetala, here we propose to combat biofouling by using a surface with microscopic ridge-like morphology. Settlement tests with tubeworm larvae on polymeric replicas of S. apetala leaves confirm that the microscopic ridge-like surface morphology can effectively prevent biofouling. A contact mechanics-based model is then established to quantify the dependence of tubeworm settlement on the structural features of the microscopic ridge-like morphology, giving rise to theoretical guidelines to optimize the morphology for better antifouling performance. Under the direction of the obtained guidelines, a synthetic surface with microscopic ridge-like morphology is developed, exhibiting antifouling performance comparable to that of the S. apetala replica. Our results not only reveal the underlying mechanism accounting for the superior antifouling property of the S. apetala leaves, but also provide applicable guidance for the development of synthetic antifouling surfaces.
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Affiliation(s)
- Jimin Fu
- Department of Mechanical Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, People's Republic of China
| | - Hua Zhang
- Department of Mechanical Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, People's Republic of China.,Department of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, People's Republic of China
| | - Zhenbin Guo
- Department of Mechanical Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, People's Republic of China
| | - Dan-Qing Feng
- State-Province Joint Engineering Laboratory of Marine Bioproducts and Technology, College of Ocean and Earth Sciences, Xiamen University, Xiamen 361005, People's Republic of China
| | - Vengatesen Thiyagarajan
- The Swire Institute of Marine Sciences and School of Biological Sciences, The University of Hong Kong, Hong Kong SAR, People's Republic of China
| | - Haimin Yao
- Department of Mechanical Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, People's Republic of China
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18
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Erramilli S, Genzer J. Influence of surface topography attributes on settlement and adhesion of natural and synthetic species. SOFT MATTER 2019; 15:4045-4067. [PMID: 31066434 DOI: 10.1039/c9sm00527g] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Surface topographies of various sizes, shapes, and spatial organization abound in nature. They endow properties such as super-hydrophobicity, reversible adhesion, anti-fouling, self-cleaning, anti-glare, and anti-bacterial, just to mention a few. Researchers have long attempted to replicate these structures to create artificial surfaces with the functionalities found in nature. In this review, we decompose the attributes of surface topographies into their constituents, namely feature dimensions, geometry, and stiffness, and examine how they contribute (individually or collectively) to settlement and adhesion of natural organisms and synthetic particles on the surface. The size of features that comprise the topography affects the contact area between the particle and surface as well as its adhesion and contributes to the observed adsorptive properties of the surface. The geometry of surface perturbations can also affect the contact area and gives rise to anisotropic particle settlement. Surface topography also affects the local stiffness of the surface and governs the adhesion strength on the surface. Overall, systematically studying attributes of surface topography and elucidating how each of them affects adhesion and settlement of particles will facilitate the design of topographically-corrugated surfaces with desired adsorption characteristics.
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Affiliation(s)
- Shreya Erramilli
- Department of Materials Science & Engineering, North Carolina State University, Raleigh, NC, USA
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19
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Ecosystem Function and Services of Aquatic Predators in the Anthropocene. Trends Ecol Evol 2019; 34:369-383. [PMID: 30857757 DOI: 10.1016/j.tree.2019.01.005] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Revised: 01/17/2019] [Accepted: 01/18/2019] [Indexed: 11/23/2022]
Abstract
Arguments for the need to conserve aquatic predator (AP) populations often focus on the ecological and socioeconomic roles they play. Here, we summarize the diverse ecosystem functions and services connected to APs, including regulating food webs, cycling nutrients, engineering habitats, transmitting diseases/parasites, mediating ecological invasions, affecting climate, supporting fisheries, generating tourism, and providing bioinspiration. In some cases, human-driven declines and increases in AP populations have altered these ecosystem functions and services. We present a social ecological framework for supporting adaptive management decisions involving APs in response to social and environmental change. We also identify outstanding questions to guide future research on the ecological functions and ecosystem services of APs in a changing world.
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20
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Guibert I, Bonnard I, Pochon X, Zubia M, Sidobre C, Lecellier G, Berteaux-Lecellier V. Differential effects of coral-giant clam assemblages on biofouling formation. Sci Rep 2019; 9:2675. [PMID: 30804382 PMCID: PMC6389951 DOI: 10.1038/s41598-019-39268-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Accepted: 01/14/2019] [Indexed: 11/09/2022] Open
Abstract
To prevent the settlement and/or the growth of fouling organisms (i.e. bacteria, fungi or microalgae), benthic sessile species have developed various defense mechanisms among which the production of chemical molecules. While studies have mostly focused on the release of chemical compounds by single species, there exist limited data on multi-species assemblages. We used an integrative approach to explore the potential interactive effects of distinct assemblages of two corals species and one giant clam species on biofouling appearance and composition. Remarkably, we found distinct biofouling communities suggesting the importance of benthic sessile assemblages in biofouling control. Moreover, the assemblage of 3 species led to an inhibition of biofouling, likely through a complex of secondary metabolites. Our results highlight that through their different effect on their near environment, species assemblages might be of upmost importance for their survival and therefore, should now be taken into account for sustainable management of coral reefs.
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Affiliation(s)
- Isis Guibert
- Sorbonne Université, Collège Doctoral, F-75005, paris, France.
- USR3278 PSL CRIOBE CNRS-EPHE-UPVD, LabEx CORAIL, Papetoai, Moorea, French Polynesia.
- UMR250/9220 ENTROPIE IRD-CNRS-UR, LabEx CORAIL, Promenade Roger-Laroque, Noumea cedex, New Caledonia, France.
| | - Isabelle Bonnard
- USR3278 PSL CRIOBE CNRS-EPHE-UPVD, LabEx CORAIL, Université de Perpignan, 58 avenue Paul Alduy, 66860, Perpignan, France
| | - Xavier Pochon
- Coastal and Freshwater Group, Cawthron Institute, Private Bag 2, Nelson, 7042, New Zealand
- Institute of Marine Science, University of Auckland, Private Bag 349, Warkworth, 0941, New Zealand
| | - Mayalen Zubia
- University of French Polynesia, UMR-241 Ecosystèmes Insulaires Océaniens, BP 6570, 98702, Faa'a, Tahiti, French Polynesia
| | - Christine Sidobre
- USR3278 PSL CRIOBE CNRS-EPHE-UPVD, LabEx CORAIL, Papetoai, Moorea, French Polynesia
| | - Gaël Lecellier
- UMR250/9220 ENTROPIE IRD-CNRS-UR, LabEx CORAIL, Promenade Roger-Laroque, Noumea cedex, New Caledonia, France
- Université de Paris-Saclay, UVSQ, 45 avenue des Etats-Unis, Versailles Cedex, France
| | - Véronique Berteaux-Lecellier
- USR3278 PSL CRIOBE CNRS-EPHE-UPVD, LabEx CORAIL, Papetoai, Moorea, French Polynesia
- UMR250/9220 ENTROPIE IRD-CNRS-UR, LabEx CORAIL, Promenade Roger-Laroque, Noumea cedex, New Caledonia, France
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Xie Q, Pan J, Ma C, Zhang G. Dynamic surface antifouling: mechanism and systems. SOFT MATTER 2019; 15:1087-1107. [PMID: 30444519 DOI: 10.1039/c8sm01853g] [Citation(s) in RCA: 93] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Marine biofouling is a global problem today. High efficiency and eco-friendly antifouling systems are in pressing need. In recent years, we have proposed the concept of dynamic surface antifouling (DSA). That is, a continuously changing surface can effectively prevent marine fouling organisms from landing and adhesion. Based on this strategy, we developed coatings with dynamic surfaces by using degradable polymers including polyester-polyurethane, modified polyester and poly(ester-co-acrylate). They exhibit tunable renewability, and excellent antifouling and mechanical performance. Moreover, the polymers can serve as carrier and controlled release systems of antifoulants so that they have long service life. This paper reviews the progress and trends in marine anti-biofouling, and presents the mechanism and systems of DSA.
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Affiliation(s)
- Qingyi Xie
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, P. R. China.
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22
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Direct Experimental Evidence of Biomimetic Surfaces with Chemical Modifications Interfering with Adhesive Protein Adsorption. Molecules 2018; 24:molecules24010027. [PMID: 30577641 PMCID: PMC6337514 DOI: 10.3390/molecules24010027] [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: 12/02/2018] [Revised: 12/18/2018] [Accepted: 12/19/2018] [Indexed: 11/23/2022] Open
Abstract
Current approaches to dealing with the worldwide problem of marine biofouling are to impart chemical functionality to the surface or utilize microtopography inspired by nature. Previous reports have shown that only introducing a single method may not resist adhesion of mussels or inhibit biofouling in static forms. While it is promising to integrate two methods to develop an effective antifouling strategy, related basic research is still lacking. Here, we have fabricated engineered shark skin surfaces with different feature heights and terminated with different chemical moieties. Atomic force microscopy (AFM) with a modified colloid probe technique and quartz crystal microbalance with a dissipation n (QCM-D) monitoring method have been introduced to directly determine the interactions between adhesive proteins and functionalized surfaces. Our results indicate that the adhesion strength of probe-surface decreases with increasing feature height, and it also decreases from bare Si surface to alkyl and hydroxyl modification, which is attributed to different contact area domains and interaction mechanisms. Combining biomimetic microtopography and surface chemistry, our study provides a new perspective for designing and developing underwater anti-fouling materials.
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23
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Shark Skin Surface for Fluid-Drag Reduction in Turbulent Flow. Biomimetics (Basel) 2018. [DOI: 10.1007/978-3-319-71676-3_13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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25
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Yadav V, Jaimes-Lizcano YA, Dewangan NK, Park N, Li TH, Robertson ML, Conrad JC. Tuning Bacterial Attachment and Detachment via the Thickness and Dispersity of a pH-Responsive Polymer Brush. ACS APPLIED MATERIALS & INTERFACES 2017; 9:44900-44910. [PMID: 29215264 DOI: 10.1021/acsami.7b14416] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
We investigated the effect of two brush parameters, thickness and dispersity in the molecular weight distribution, on the adhesion of bacteria to pH-responsive poly(acrylic acid) (PAA) brushes synthesized using surface-initiated atom transfer radical polymerization. The attachment and detachment of Staphylococcus epidermidis to PAA brushes at pH 4 and pH 9, respectively, were examined with confocal microscopy. An optimal range of brush thickness, 13-18 nm, was identified for minimizing bacterial adhesion on PAA brushes at pH 4, and bacterial attachment did not depend on the brush dispersity. Increasing either the brush thickness or dispersity detached bacteria from the brushes when the pH was increased from 4 to 9. Bacterial detachment likely arose from an enhanced actuation effect in thick or high-dispersity brushes, as PAA brushes change conformation from collapsed to extended states when the pH is increased from 4 to 9. These results suggest that manipulating the molecular weight distribution provides a route to separately tune the attachment and detachment of bacteria.
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Affiliation(s)
- Vivek Yadav
- Department of Chemical and Biomolecular Engineering, ‡Department of Chemistry, and §Materials Engineering Program, University of Houston , Houston, Texas 77204, United States
| | - Yuly Andrea Jaimes-Lizcano
- Department of Chemical and Biomolecular Engineering, ‡Department of Chemistry, and §Materials Engineering Program, University of Houston , Houston, Texas 77204, United States
| | - Narendra K Dewangan
- Department of Chemical and Biomolecular Engineering, ‡Department of Chemistry, and §Materials Engineering Program, University of Houston , Houston, Texas 77204, United States
| | - Nayoung Park
- Department of Chemical and Biomolecular Engineering, ‡Department of Chemistry, and §Materials Engineering Program, University of Houston , Houston, Texas 77204, United States
| | - Tzu-Han Li
- Department of Chemical and Biomolecular Engineering, ‡Department of Chemistry, and §Materials Engineering Program, University of Houston , Houston, Texas 77204, United States
| | - Megan L Robertson
- Department of Chemical and Biomolecular Engineering, ‡Department of Chemistry, and §Materials Engineering Program, University of Houston , Houston, Texas 77204, United States
| | - Jacinta C Conrad
- Department of Chemical and Biomolecular Engineering, ‡Department of Chemistry, and §Materials Engineering Program, University of Houston , Houston, Texas 77204, United States
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26
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Saha M, Goecke F, Bhadury P. Minireview: algal natural compounds and extracts as antifoulants. JOURNAL OF APPLIED PHYCOLOGY 2017; 30:1859-1874. [PMID: 29899600 PMCID: PMC5982446 DOI: 10.1007/s10811-017-1322-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2017] [Revised: 10/17/2017] [Accepted: 10/17/2017] [Indexed: 05/02/2023]
Abstract
Marine biofouling is a paramount phenomenon in the marine environment and causes serious problems to maritime industries worldwide. Marine algae are known to produce a wide variety of chemical compounds with antibacterial, antifungal, antialgal, and anti-macrofouling properties, inhibiting the settlement and growth of other marine fouling organisms. Significant investigations and progress have been made in this field in the last two decades and several antifouling extracts and compounds have been isolated from micro- and macroalgae. In this minireview, we have summarized and evaluated antifouling compounds isolated and identified from macroalgae and microalgae between January 2010 and June 2016. Future directions for their commercialization through metabolic engineering and industrial scale up have been discussed. Upon comparing biogeographical regions, investigations from Southeast Asian waters were found to be rather scarce. Thus, we have also discussed the need to conduct more chemical ecology based research in relatively less explored areas with high algal biodiversity like Southeast Asia.
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Affiliation(s)
- Mahasweta Saha
- Benthic Ecology, Helmholtz Center for Ocean Research, Düsternbrooker weg, 24105 Kiel, Germany
- Present Address: School of Biological Science, University of Essex, Colchester, CO 43 SQ, UK
| | - Franz Goecke
- Department of Plant and Environmental Science (IPV), Norwegian University of Life Sciences (NMBU), Ås, Norway
| | - Punyasloke Bhadury
- Integrative Taxonomy and Microbial Ecology Research Group, Department of Biological Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, Nadia, West Bengal 741246 India
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Porter MM, Ravikumar N, Barthelat F, Martini R. 3D-printing and mechanics of bio-inspired articulated and multi-material structures. J Mech Behav Biomed Mater 2017; 73:114-126. [DOI: 10.1016/j.jmbbm.2016.12.016] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Revised: 12/16/2016] [Accepted: 12/20/2016] [Indexed: 01/13/2023]
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28
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Brzozowska AM, Maassen S, Goh Zhi Rong R, Benke PI, Lim CS, Marzinelli EM, Jańczewski D, Teo SLM, Vancso GJ. Effect of Variations in Micropatterns and Surface Modulus on Marine Fouling of Engineering Polymers. ACS APPLIED MATERIALS & INTERFACES 2017; 9:17508-17516. [PMID: 28481498 PMCID: PMC5445506 DOI: 10.1021/acsami.6b14262] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
We report on the marine fouling and fouling release effects caused by variations of surface mechanical properties and microtopography of engineering polymers. Polymeric materials were covered with hierarchical micromolded topographical patterns inspired by the shell of the marine decapod crab Myomenippe hardwickii. These micropatterned surfaces were deployed in field static immersion tests. PDMS, polyurethane, and PMMA surfaces with higher elastic modulus and hardness were found to accumulate more fouling and exhibited poor fouling release properties. The results indicate interplay between surface mechanical properties and microtopography on antifouling performance.
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Affiliation(s)
- Agata Maria Brzozowska
- Institute of Materials
Research and Engineering, Agency for Science,
Technology and Research, 2 Fusionopolis Way, Innovis, #08-03, 138634 Singapore
| | - Stan Maassen
- Institute of Materials
Research and Engineering, Agency for Science,
Technology and Research, 2 Fusionopolis Way, Innovis, #08-03, 138634 Singapore
- Faculty of Science
and Technology, University of Twente, Drienerlolaan 5, 7522 NB Enschede, The Netherlands
| | - Rubayn Goh Zhi Rong
- Institute of Materials
Research and Engineering, Agency for Science,
Technology and Research, 2 Fusionopolis Way, Innovis, #08-03, 138634 Singapore
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798 Singapore
| | - Peter Imre Benke
- Singapore
Centre on Environmental Life Sciences Engineering, Nanyang Technological University, Singapore, 60 Nanyang Drive, 637551 Singapore
- Environmental
Research Institute, National University
of Singapore, 21 Lower
Kent Ridge Road, 119077 Singapore
| | - Chin-Sing Lim
- St
John’s Island National Marine Laboratory, Tropical Marine Science
Institute, National University of Singapore, 18 Kent Ridge Road, 119227 Singapore
| | - Ezequiel M. Marzinelli
- Centre for Marine Bio-Innovation, School
of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, NSW 2052, Australia
- Sydney Institute of Marine Science, 19 Chowder Bay Rd, Mosman, NSW 2088, Australia
| | - Dominik Jańczewski
- Institute of Materials
Research and Engineering, Agency for Science,
Technology and Research, 2 Fusionopolis Way, Innovis, #08-03, 138634 Singapore
- Laboratory of Technological
Processes, Faculty of Chemistry, Warsaw
University of Technology, Noakowskiego 3, 00-664 Warsaw, Poland
- E-mail: . Tel: +48 22 234 5583. Fax: +48 22 234 5504
| | - Serena Lay-Ming Teo
- St
John’s Island National Marine Laboratory, Tropical Marine Science
Institute, National University of Singapore, 18 Kent Ridge Road, 119227 Singapore
- E-mail: . Tel: +65 6774 9887. Fax: +65 6776 1455
| | - G. Julius Vancso
- Institute of Chemical
and Engineering Sciences, Agency for Science,
Technology and Research, 1 Pesek Road, 627833 Singapore
- MESA+ Institute for Nanotechnology, Materials Science
and Technology of Polymers, University of
Twente, 7500 AE Enschede, The Netherlands
- E-mail: . Tel.: +31 53 489 2974. Fax: +31 53 489 3823
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Galhenage TP, Hoffman D, Silbert SD, Stafslien SJ, Daniels J, Miljkovic T, Finlay JA, Franco SC, Clare AS, Nedved BT, Hadfield MG, Wendt DE, Waltz G, Brewer L, Teo SLM, Lim CS, Webster DC. Fouling-Release Performance of Silicone Oil-Modified Siloxane-Polyurethane Coatings. ACS APPLIED MATERIALS & INTERFACES 2016; 8:29025-29036. [PMID: 27696809 DOI: 10.1021/acsami.6b09484] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The effect of incorporation of silicone oils into a siloxane-polyurethane fouling-release coatings system was explored. Incorporation of phenylmethyl silicone oil has been shown to improve the fouling-release performance of silicone-based fouling-release coatings through increased interfacial slippage. The extent of improvement is highly dependent upon the type and composition of silicone oil used. The siloxane-polyurethane (SiPU) coating system is a tough fouling-release solution, which combines the mechanical durability of polyurethane while maintaining comparable fouling-release performance with regard to commercial standards. To further improve the fouling-release performance of the siloxane-PU coating system, the use of phenylmethyl silicones oils was studied. Coatings formulations were prepared incorporating phenylmethyl silicone oils having a range of compositions and viscosities. Contact angle and surface energy measurements were conducted to evaluate the surface wettability of the coatings. X-ray photoelectron spectroscopy (XPS) depth profiling experiments demonstrated self-stratification of silicone oil along with siloxane to the coating-air interface. Several coating formulations displayed improved or comparable fouling-release performance to commercial standards during laboratory biological assay tests for microalgae (Navicula incerta), macroalgae (Ulva linza), adult barnacles (Balanus amphitrite syn. Amphibalanus amphitrite), and mussels (Geukensia demissa). Selected silicone-oil-modified siloxane-PU coatings also demonstrated comparable fouling-release performance in field immersion trials. In general, modifying the siloxane-PU fouling-release coatings with a small amount (1-5 wt % basis) of phenylmethyl silicone oil resulted in improved performance in several laboratory biological assays and in long-term field immersion assessments.
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Affiliation(s)
- Teluka P Galhenage
- Department of Coatings and Polymeric Materials, North Dakota State University , Fargo North Dakota 58108, United States
| | - Dylan Hoffman
- Department of Coatings and Polymeric Materials, North Dakota State University , Fargo North Dakota 58108, United States
| | - Samantha D Silbert
- Department of Coatings and Polymeric Materials, North Dakota State University , Fargo North Dakota 58108, United States
| | - Shane J Stafslien
- Center for Nanoscale Science and Engineering, North Dakota State University , Fargo, North Dakota 58108, United States
| | - Justin Daniels
- Center for Nanoscale Science and Engineering, North Dakota State University , Fargo, North Dakota 58108, United States
| | - Tatjana Miljkovic
- Department of Statistics, Miami University , Oxford, Ohio 45056, United States
| | - John A Finlay
- School of Marine Science and Technology, Newcastle University , Newcastle upon Tyne, NE1 7RU, U.K
| | - Sofia C Franco
- School of Marine Science and Technology, Newcastle University , Newcastle upon Tyne, NE1 7RU, U.K
| | - Anthony S Clare
- School of Marine Science and Technology, Newcastle University , Newcastle upon Tyne, NE1 7RU, U.K
| | - Brian T Nedved
- Kewalo Marine Laboratory, University of Hawaii at Manoa , Honolulu Hawaii 96813, United States
| | - Michael G Hadfield
- Kewalo Marine Laboratory, University of Hawaii at Manoa , Honolulu Hawaii 96813, United States
| | - Dean E Wendt
- Center for Coastal Marine Sciences, Biological Sciences Department, California Polytechnic State University , San Luis Obispo California 93407, United States
| | - Grant Waltz
- Center for Coastal Marine Sciences, Biological Sciences Department, California Polytechnic State University , San Luis Obispo California 93407, United States
| | - Lenora Brewer
- Center for Coastal Marine Sciences, Biological Sciences Department, California Polytechnic State University , San Luis Obispo California 93407, United States
| | - Serena L M Teo
- Tropical Marine Science Institute, National University of Singapore , Singapore 119227
| | - Chin-Sing Lim
- Tropical Marine Science Institute, National University of Singapore , Singapore 119227
| | - Dean C Webster
- Department of Coatings and Polymeric Materials, North Dakota State University , Fargo North Dakota 58108, United States
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Jiang W, Akagi T, Suzuki H, Takimoto A, Nagai H. A new diatom growth inhibition assay using the XTT colorimetric method. Comp Biochem Physiol C Toxicol Pharmacol 2016; 185-186:13-19. [PMID: 26945522 DOI: 10.1016/j.cbpc.2016.02.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2016] [Revised: 02/17/2016] [Accepted: 02/28/2016] [Indexed: 11/28/2022]
Abstract
Marine biofouling, which leads to significant operational stress and economic damage on marine infrastructures, is a major problem in marine related industries. Currently, the most common way to avoid marine biofouling involves the use of biocidal products in surface coatings. However, the need for environmentally friendly antibiofouling compounds has increased rapidly with the recent global prohibition of harmful antifoulants, such as tributyltin (TBT). In particular, periphytic diatoms have been shown to contribute significantly to biofilms, which play an important role in biofouling. Therefore, inhibiting the proliferation of fouling diatoms is a very important step in the prevention of marine biofouling. In this study, we developed a new, rapid, accurate, and convenient growth inhibition assay using the XTT colorimetric method to prevent the growth of the fouling periphytic diatom, Nitzschia amabilis Hidek. Suzuki (replaced synonym, Nitzschia laevis Hustedt). The feasibility of this method was verified by determining the growth inhibition activities of two standard photosynthetic inhibitors, DCMU and CuSO4. However, neither inhibitor had any cytotoxic activities at the range of concentrations tested. Moreover, this method was applied by screening and purification of herbicidic but non-cytotoxic compounds from cyanobacteria extracts. Our results demonstrate the utility of this newly established growth inhibition assay for the identification of marine anti-biofouling compounds.
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Affiliation(s)
- Weina Jiang
- Department of Ocean Sciences, Tokyo University of Marine Science and Technology, 4-5-7, Konan, Minato-ku, Tokyo 108-8477, Japan
| | - Takuya Akagi
- Department of Ocean Sciences, Tokyo University of Marine Science and Technology, 4-5-7, Konan, Minato-ku, Tokyo 108-8477, Japan
| | - Hidekazu Suzuki
- Department of Ocean Sciences, Tokyo University of Marine Science and Technology, 4-5-7, Konan, Minato-ku, Tokyo 108-8477, Japan
| | - Ayaka Takimoto
- Department of Ocean Sciences, Tokyo University of Marine Science and Technology, 4-5-7, Konan, Minato-ku, Tokyo 108-8477, Japan
| | - Hiroshi Nagai
- Department of Ocean Sciences, Tokyo University of Marine Science and Technology, 4-5-7, Konan, Minato-ku, Tokyo 108-8477, Japan.
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Satheesh S, Ba-akdah MA, Al-Sofyani AA. Natural antifouling compound production by microbes associated with marine macroorganisms — A review. ELECTRON J BIOTECHN 2016. [DOI: 10.1016/j.ejbt.2016.02.002] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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Mishra H, Schrader AM, Lee DW, Gallo A, Chen SY, Kaufman Y, Das S, Israelachvili JN. Time-Dependent Wetting Behavior of PDMS Surfaces with Bioinspired, Hierarchical Structures. ACS APPLIED MATERIALS & INTERFACES 2016; 8:8168-8174. [PMID: 26709928 DOI: 10.1021/acsami.5b10721] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Wetting of rough surfaces involves time-dependent effects, such as surface deformations, nonuniform filling of surface pores within or outside the contact area, and surface chemistries, but the detailed impact of these phenomena on wetting is not entirely clear. Understanding these effects is crucial for designing coatings for a wide range of applications, such as membrane-based oil-water separation and desalination, waterproof linings/windows for automobiles, aircrafts, and naval vessels, and antibiofouling. Herein, we report on time-dependent contact angles of water droplets on a rough polydimethylsiloxane (PDMS) surface that cannot be completely described by the conventional Cassie-Baxter or Wenzel models or the recently proposed Cassie-impregnated model. Shells of sand dollars (Dendraster excentricus) were used as lithography-free, robust templates to produce rough PDMS surfaces with hierarchical, periodic features ranging from 1 × 10(-7) to 1 × 10(-4) m. Under saturated vapor conditions, we found that in the short term (<1 min), the contact angle of a sessile water droplet on the templated PDMS, θ(SDT) = 140 ± 3°, was accurately described by the Cassie-Baxter model (predicted θ(SDT) = 137°); however, after 90 min, θ(SDT) fell to 110°. Fluorescent confocal microscopy confirmed that the initial reduction in θ(SDT) to 110° (the Wenzel limit) was primarily a Cassie-Baxter to Wenzel transition during which pores within the contact area filled gradually, and more rapidly for ethanol-water mixtures. After 90 min, the contact line of the water droplet became pinned, perhaps caused by viscoelastic deformation of the PDMS around the contact line, and a significant volume of water began to flow from the droplet to pores outside the contact region, causing θ(SDT) to decrease to 65° over 48 h on the rough surface. The system we present here to explore the concept of contact angle time dependence (dynamics) and modeling of natural surfaces provides insights into the design and development of long- and short-lived coatings.
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Affiliation(s)
| | | | | | - Adair Gallo
- CAPES Foundation, Ministry of Education of Brazil , Brasilia DF, 70.040-020, Brazil
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Wang Z, Elimelech M, Lin S. Environmental Applications of Interfacial Materials with Special Wettability. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2016; 50:2132-50. [PMID: 26829583 DOI: 10.1021/acs.est.5b04351] [Citation(s) in RCA: 154] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Interfacial materials with special wettability have become a burgeoning research area in materials science in the past decade. The unique surface properties of materials and interfaces generated by biomimetic approaches can be leveraged to develop effective solutions to challenging environmental problems. This critical review presents the concept, mechanisms, and fabrication techniques of interfacial materials with special wettability, and assesses the environmental applications of these materials for oil-water separation, membrane-based water purification and desalination, biofouling control, high performance vapor condensation, and atmospheric water collection. We also highlight the most promising properties of interfacial materials with special wettability that enable innovative environmental applications and discuss the practical challenges for large-scale implementation of these novel materials.
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Affiliation(s)
- Zhangxin Wang
- Department of Civil and Environmental Engineering, Vanderbilt University , Nashville, Tennessee 37235-1831, United States
| | - Menachem Elimelech
- Department of Chemical and Environmental Engineering, Yale University , New Haven, Connecticut 06520-8286, United States
| | - Shihong Lin
- Department of Civil and Environmental Engineering, Vanderbilt University , Nashville, Tennessee 37235-1831, United States
- Department of Chemical and Bimolecular Engineering, Vanderbilt University , Nashville, Tennessee 37235-1831, United States
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34
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35
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Bio- and Inorganic Fouling. Biomimetics (Basel) 2016. [DOI: 10.1007/978-3-319-28284-8_12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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36
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Antimicrobial behavior of novel surfaces generated by electrophoretic deposition and breakdown anodization. Colloids Surf B Biointerfaces 2015. [DOI: 10.1016/j.colsurfb.2015.06.060] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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37
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Wagner N, Zimmermann P, Heisig P, Klitsche F, Maison W, Theato P. Investigation of Antifouling Properties of Surfaces Featuring Zwitterionic α-Aminophosphonic Acid Moieties. Macromol Biosci 2015; 15:1673-8. [DOI: 10.1002/mabi.201500196] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2015] [Revised: 07/22/2015] [Indexed: 12/17/2022]
Affiliation(s)
- Natalie Wagner
- Institute for Technical and Macromolecular Chemistry; University of Hamburg; Bundesstr. 45 D-20146 Hamburg Germany
| | - Phyllis Zimmermann
- Institute of Biochemistry; Pharmaceutical Biology and Microbiology; University of Hamburg; Bundesstr. 45 D-20146 Hamburg Germany
| | - Peter Heisig
- Institute of Biochemistry; Pharmaceutical Biology and Microbiology; University of Hamburg; Bundesstr. 45 D-20146 Hamburg Germany
| | - Franziska Klitsche
- Institute of Pharmacy; University of Hamburg; Bundesstr. 45 D-20146 Hamburg Germany
| | - Wolfgang Maison
- Institute of Pharmacy; University of Hamburg; Bundesstr. 45 D-20146 Hamburg Germany
| | - Patrick Theato
- Institute for Technical and Macromolecular Chemistry; University of Hamburg; Bundesstr. 45 D-20146 Hamburg Germany
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38
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Andersson Trojer M, Nordstierna L, Bergek J, Blanck H, Holmberg K, Nydén M. Use of microcapsules as controlled release devices for coatings. Adv Colloid Interface Sci 2015; 222:18-43. [PMID: 25441449 DOI: 10.1016/j.cis.2014.06.003] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2014] [Revised: 06/06/2014] [Accepted: 06/06/2014] [Indexed: 12/27/2022]
Abstract
Biofouling of surfaces is a considerable problem in many industrial sectors and for the public community in general. The problem is usually approached by the use of functional coatings and most of such antifouling coatings rely on the effect of biocides. However, a substantial drawback is the poor control over the release of the biocide as well as its degradation in the paint. Encapsulation of the biocides in microcapsules is a promising approach that may overcome some of the problems associated with the more traditional ways of incorporating the antifouling agent into the formulation. In this review, we summarize more than a decade of microcapsule research from our lab as well as from other groups working on this topic. Focus will be on two coacervation-based encapsulation techniques; the internal phase separation method and the double emulsion method, which together enable the encapsulation of a broad spectrum of biocides with different physicochemical properties. The release of the biocide from core-shell particles and from encapsulated biocides in coatings is treated in detail. The release behaviour is interpreted in terms of the physicochemical properties of the core-shell particle and the coating matrix. In addition, special attention is given to the experimental release methodology and the implementation of proper diffusion models to describe the release. At the end of the review examples of antifouling properties of some coatings against common biofoulers are presented.
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Liu Y, McFarlin GT, Yong X, Kuksenok O, Balazs AC. Designing Composite Coatings That Provide a Dual Defense against Fouling. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2015; 31:7524-7532. [PMID: 26087238 DOI: 10.1021/acs.langmuir.5b00888] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Inspired by marine organisms that utilize spines and shape changes to prevent the biofouling of their surfaces, we use computational modeling to design a gel-based composite coating that provides a two-pronged defense mechanism against the fouling of the underlying substrate. Using dissipative particle dynamics (DPD) simulations, we construct a coating that encompasses rigid posts embedded in a thermoresponsive gel, which exhibits a lower critical solution temperature (LCST). When the gel is heated above its LCST, it collapses to expose the buried posts, which act as spines or spikes that prevent a solid particle from penetrating the layer. Moreover, we show that an imposed shear flow readily dislodges these particles and washes them away from the coated substrate. As the system dissipates heat and cools, the LCST gel expands, and this dynamic morphological change can also be harnessed to dislodge the adsorbed particles. Thus, both the exposed posts and the swelling gels can provide barriers to the penetration of particulates through the coating. In this manner, the coating provides a dual mechanism against the fouling of the substrate. This physical approach can be particularly beneficial because it does not require the release of any chemical substances that could have detrimental consequences to the environment.
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Affiliation(s)
- Ya Liu
- Chemical Engineering Department, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, United States
| | - Gerald T McFarlin
- Chemical Engineering Department, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, United States
| | - Xin Yong
- Chemical Engineering Department, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, United States
| | - Olga Kuksenok
- Chemical Engineering Department, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, United States
| | - Anna C Balazs
- Chemical Engineering Department, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, United States
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40
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Karimi A, Karig D, Kumar A, Ardekani AM. Interplay of physical mechanisms and biofilm processes: review of microfluidic methods. LAB ON A CHIP 2015; 15:23-42. [PMID: 25385289 PMCID: PMC4261921 DOI: 10.1039/c4lc01095g] [Citation(s) in RCA: 89] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Bacteria in natural and artificial environments often reside in self-organized, integrated communities known as biofilms. Biofilms are highly structured entities consisting of bacterial cells embedded in a matrix of self-produced extracellular polymeric substances (EPS). The EPS matrix acts like a biological 'glue' enabling microbes to adhere to and colonize a wide range of surfaces. Once integrated into biofilms, bacterial cells can withstand various forms of stress such as antibiotics, hydrodynamic shear and other environmental challenges. Because of this, biofilms of pathogenic bacteria can be a significant health hazard often leading to recurrent infections. Biofilms can also lead to clogging and material degradation; on the other hand they are an integral part of various environmental processes such as carbon sequestration and nitrogen cycles. There are several determinants of biofilm morphology and dynamics, including the genotypic and phenotypic states of constituent cells and various environmental conditions. Here, we present an overview of the role of relevant physical processes in biofilm formation, including propulsion mechanisms, hydrodynamic effects, and transport of quorum sensing signals. We also provide a survey of microfluidic techniques utilized to unravel the associated physical mechanisms. Further, we discuss the future research areas for exploring new ways to extend the scope of the microfluidic approach in biofilm studies.
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Affiliation(s)
- A. Karimi
- Department of Mechanical and Industrial Engineering, Northeastern University, Boston, MA 02115
- Department of Aerospace and Mechanical Engineering, University of Notre Dame, Notre Dame, IN 46556, USA
| | - D. Karig
- Research and Exploratory Development Department, Johns Hopkins University Applied Physics Laboratory, Laurel, MD 20723
| | - A. Kumar
- Department of Mechanical Engineering, University of Alberta, Edmonton, Canada AB T6G 2G8
| | - A. M. Ardekani
- School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907
- Department of Aerospace and Mechanical Engineering, University of Notre Dame, Notre Dame, IN 46556, USA
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41
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Zhao N, Wang Z, Cai C, Shen H, Liang F, Wang D, Wang C, Zhu T, Guo J, Wang Y, Liu X, Duan C, Wang H, Mao Y, Jia X, Dong H, Zhang X, Xu J. Bioinspired materials: from low to high dimensional structure. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2014; 26:6994-7017. [PMID: 25212698 DOI: 10.1002/adma.201401718] [Citation(s) in RCA: 98] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2014] [Revised: 07/11/2014] [Indexed: 06/03/2023]
Abstract
The surprising properties of biomaterials are the results of billions of years of evolution. Generally, biomaterials are assembled under mild conditions with very limited supply of constituents available for living organism, and their amazing properties largely result from the sophisticated hierarchical structures. Following the biomimetic principles to prepare manmade materials has drawn great research interests in materials science and engineering. In this review, we summarize the recent progress in fabricating bioinspired materials with the emphasis on mimicking the structure from one to three dimensions. Selected examples are described with a focus on the relationship between the structural characters and the corresponding functions. For one-dimensional materials, spider fibers, polar bear hair, multichannel plant roots and so on have been involved. Natural structure color and color shifting surfaces, and the antifouling, antireflective coatings of biomaterials are chosen as the typical examples of the two-dimensional biomimicking. The outstanding protection performance, and the stimuli responsive and self-healing functions of biomaterials based on the sophisticated hierarchical bulk structures are the emphases of the three-dimensional mimicking. Finally, a summary and outlook are given.
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Affiliation(s)
- Ning Zhao
- Beijing National Laboratory for Molecular Sciences, Laboratory of Polymer Physics and Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Zhongguancun North First Street 2, Beijing, 100190, China
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42
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LIM CS, PARRA-VELANDIA FJ, CHEN N, ZHANG P, L.-M. TEO S. Optical coherence tomography as a tool for characterization of complex biological surfaces. J Microsc 2014; 255:150-7. [DOI: 10.1111/jmi.12145] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2014] [Accepted: 05/10/2014] [Indexed: 11/27/2022]
Affiliation(s)
- C.-S. LIM
- Tropical Marine Science Institute; National University of Singapore; Singapore
| | | | - N. CHEN
- Department of Bioengineering; Faculty of Engineering; National University of Singapore; Singapore
| | - P. ZHANG
- Department of Bioengineering; Faculty of Engineering; National University of Singapore; Singapore
| | - S. L.-M. TEO
- Tropical Marine Science Institute; National University of Singapore; Singapore
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Khalil F, Franzmann E, Ramcke J, Dakischew O, Lips KS, Reinhardt A, Heisig P, Maison W. Biomimetic PEG-catecholates for stabile antifouling coatings on metal surfaces: Applications on TiO2 and stainless steel. Colloids Surf B Biointerfaces 2014; 117:185-92. [DOI: 10.1016/j.colsurfb.2014.02.022] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2013] [Revised: 02/04/2014] [Accepted: 02/12/2014] [Indexed: 12/24/2022]
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Antifouling activity of synthetic alkylpyridinium polymers using the barnacle model. Mar Drugs 2014; 12:1959-76. [PMID: 24699112 PMCID: PMC4012450 DOI: 10.3390/md12041959] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2013] [Revised: 02/26/2014] [Accepted: 02/26/2014] [Indexed: 01/11/2023] Open
Abstract
Polymeric alkylpyridinium salts (poly-APS) isolated from the Mediterranean marine sponge, Haliclona (Rhizoniera) sarai, effectively inhibit barnacle larva settlement and natural marine biofilm formation through a non-toxic and reversible mechanism. Potential use of poly-APS-like compounds as antifouling agents led to the chemical synthesis of monomeric and oligomeric 3-alkylpyridinium analogues. However, these are less efficient in settlement assays and have greater toxicity than the natural polymers. Recently, a new chemical synthesis method enabled the production of poly-APS analogues with antibacterial, antifungal and anti-acetylcholinesterase activities. The present study examines the antifouling properties and toxicity of six of these synthetic poly-APS using the barnacle (Amphibalanus amphitrite) as a model (cyprids and II stage nauplii larvae) in settlement, acute and sub-acute toxicity assays. Two compounds, APS8 and APS12-3, show antifouling effects very similar to natural poly-APS, with an anti-settlement effective concentration that inhibits 50% of the cyprid population settlement (EC₅₀) after 24 h of 0.32 mg/L and 0.89 mg/L, respectively. The toxicity of APS8 is negligible, while APS12-3 is three-fold more toxic (24-h LC₅₀: nauplii, 11.60 mg/L; cyprids, 61.13 mg/L) than natural poly-APS. This toxicity of APS12-3 towards nauplii is, however, 60-fold and 1200-fold lower than that of the common co-biocides, Zn- and Cu-pyrithione, respectively. Additionally, exposure to APS12-3 for 24 and 48 h inhibits the naupliar swimming ability with respective IC₅₀ of 4.83 and 1.86 mg/L.
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Anti-fouling properties of microstructured surfaces bio-inspired by rice leaves and butterfly wings. J Colloid Interface Sci 2014; 419:114-33. [DOI: 10.1016/j.jcis.2013.12.019] [Citation(s) in RCA: 168] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2013] [Revised: 12/04/2013] [Accepted: 12/07/2013] [Indexed: 12/13/2022]
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Ralston EA, Swain GW. The ghost of fouling communities past: the effect of original community on subsequent recruitment. BIOFOULING 2014; 30:459-471. [PMID: 24666136 DOI: 10.1080/08927014.2014.894984] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Biofouling on ships has been linked to the spread of invasive species, which has been identified as one of the current primary threats to the environment. Previous research on antifouling coatings suggested that the quantity of fouling, as well as community composition, on biocidal coatings was modified by prior fouling settlement. The experiment reported in this paper was designed to determine how preconditioning affected the rate and composition of subsequent fouling on transplanted silicone coatings. A series of 10 × 20 cm panels coated with Intersleek 700 or DC3140 were placed at three locations in Florida (Ponce Inlet, Sebastian Inlet, and Port of Miami), which were characterized by distinct fouling communities. Panels were immersed for four months, cleaned, and reciprocally transplanted among the three sites. Fouling community composition and coverage were characterized at bimonthly intervals both before and after transplantation. The original fouling community affected the subsequent fouling composition and recolonization by tunicates, sea anemones, barnacles, sponges, hydroids, and arborescent bryozoans. The community-level effects were short-term, lasting 2-4 months, but specific responses lasted up to 14 months post-transplant.
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Affiliation(s)
- Emily A Ralston
- a Center for Corrosion and Biofouling Control , Florida Institute of Technology , Melbourne , Florida , USA
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Bixler GD, Bhushan B. Rice- and butterfly-wing effect inspired self-cleaning and low drag micro/nanopatterned surfaces in water, oil, and air flow. NANOSCALE 2014; 6:76-96. [PMID: 24212921 DOI: 10.1039/c3nr04755e] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
In search of new solutions to complex challenges, researchers are turning to living nature for inspiration. For example, special surface characteristics of rice leaves and butterfly wings combine the shark skin (anisotropic flow leading to low drag) and lotus leaf (superhydrophobic and self-cleaning) effects, producing the so-called rice and butterfly wing effect. In this paper, we study four microstructured surfaces inspired by rice leaves and fabricated with photolithography techniques. We also present a method of creating such surfaces using a hot embossing procedure for scaled-up manufacturing. Fluid drag, self-cleaning, contact angle, and contact angle hysteresis data are presented to understand the role of sample geometrical dimensions. Conceptual modeling provides design guidance when developing novel low drag, self-cleaning, and potentially antifouling surfaces for medical, marine, and industrial applications.
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Affiliation(s)
- Gregory D Bixler
- Nanoprobe Laboratory for Bio & Nanotechnology and Biomimetics (NLB2), The Ohio State University, 201 W. 19th Avenue, Columbus, Ohio 43210-1142, USA.
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Cui W, Beniash E, Gawalt E, Xu Z, Sfeir C. Biomimetic coating of magnesium alloy for enhanced corrosion resistance and calcium phosphate deposition. Acta Biomater 2013; 9:8650-9. [PMID: 23816653 DOI: 10.1016/j.actbio.2013.06.031] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2012] [Revised: 06/15/2013] [Accepted: 06/20/2013] [Indexed: 11/29/2022]
Abstract
Degradable metals have been suggested as biomaterials with revolutionary potential for bone-related therapies. Of these candidate metals, magnesium alloys appear to be particularly attractive candidates because of their non-toxicity and outstanding mechanical properties. Despite their having been widely studied as orthopedic implants for bone replacement/regeneration, their undesirably rapid corrosion rate under physiological conditions has limited their actual clinical application. This study reports the use of a novel biomimetic peptide coating for Mg alloys to improve the alloy corrosion resistance. A 3DSS biomimetic peptide is designed based on the highly acidic, bioactive bone and dentin extracellular matrix protein, phosphophoryn. Surface characterization techniques (scanning electron microscopy, energy dispersive X-ray spectroscopy and diffuse-reflectance infrared spectroscopy) confirmed the feasibility of coating the biomimetic 3DSS peptide onto Mg alloy AZ31B. The 3DSS peptide was also used as a template for calcium phosphate deposition on the surface of the alloy. The 3DSS biomimetic peptide coating presented a protective role of AZ31B in both hydrogen evolution and electrochemical corrosion tests.
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Affiliation(s)
- W Cui
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA 15261, USA
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Bixler GD, Bhushan B. Fluid drag reduction and efficient self-cleaning with rice leaf and butterfly wing bioinspired surfaces. NANOSCALE 2013; 5:7685-710. [PMID: 23884183 DOI: 10.1039/c3nr01710a] [Citation(s) in RCA: 103] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Researchers are continually inspired by living nature to solve complex challenges. For example, unique surface characteristics of rice leaves and butterfly wings combine the shark skin (anisotropic flow leading to low drag) and lotus leaf (superhydrophobic and self-cleaning) effects, producing the so-called rice and butterfly wing effect. In this paper, we present an overview of rice leaf and butterfly wing fluid drag and self-cleaning studies. In addition, we examine two other promising aquatic surfaces in nature known for such properties, including fish scales and shark skin. Morphology, drag, self-cleaning, contact angle, and contact angle hysteresis data are presented to understand the role of wettability, viscosity, and velocity. Liquid repellent coatings are utilized to recreate or combine various effects. Discussion is provided along with conceptual models describing the role of surface structures related to low drag, self-cleaning, and antifouling properties. Modeling provides design guidance when developing novel low drag and self-cleaning surfaces for applications in the medical, marine, and industrial fields.
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Affiliation(s)
- Gregory D Bixler
- Nanoprobe Laboratory for Bio & Nanotechnology and Biomimetics (NLB2), The Ohio State University, 201 W. 19th Avenue, Columbus, Ohio 43210-1142, USA
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Guo S, Khoo BC, Teo SLM, Lee HP. The effect of cavitation bubbles on the removal of juvenile barnacles. Colloids Surf B Biointerfaces 2013; 109:219-27. [DOI: 10.1016/j.colsurfb.2013.03.046] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2012] [Revised: 01/29/2013] [Accepted: 03/26/2013] [Indexed: 01/23/2023]
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