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Fruleux T, Sauleau P, Caudal F, Champion M, Chauvin L, Castro M, Le Duigou A. Marine biofilm formation on flax fibre reinforced biocomposites. BIOFOULING 2024; 40:415-430. [PMID: 38984682 DOI: 10.1080/08927014.2024.2373870] [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: 01/31/2024] [Accepted: 06/22/2024] [Indexed: 07/11/2024]
Abstract
Artificial reefs represent useful tools to revitalize coastal and ocean ecosystems. Their formulation determines the biofilm formation which is the prerequisite for the colonization process by marine micro- and macroorganisms. In comparison with concrete, biobased polymers offer improved characteristics, including architecture, formulation, rugosity and recycling. This article aims to explore a new scale of artificial reef made of biocomposites reinforced with a high flax fibre (Linum utilatissimum) content (30%). Cellular adhesion and resulting biofilm formation were assessed using two marine microorganisms: Pseudoalteromonas sp. 3J6 and Cylindrotheca closterium. The influence of flax fibre leachates and plastic monomers on the growth of those marine microorganisms were also evaluated. Results indicated that the introduction of flax fibres inside the polymer matrix modified its physicochemical properties thus modulating adhesion and biofilm formation depending on the microorganism. This study gives insights for further developments of novel functionalized artificial reefs made of biocomposites.
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Affiliation(s)
- Thomas Fruleux
- Laboratoire de Biotechnologie et Chimie Marines, Université Bretagne Sud, EMR CNRS 6076, IUEM, Lorient, France
- Institut de Recherche Dupuy de Lôme, Centre de Recherche Christian Huygens, Rue de Saint-Maudé, Lorient, France
| | - Pierre Sauleau
- Laboratoire de Biotechnologie et Chimie Marines, Université Bretagne Sud, EMR CNRS 6076, IUEM, Lorient, France
| | - Flore Caudal
- Laboratoire de Biotechnologie et Chimie Marines, Université Bretagne Sud, EMR CNRS 6076, IUEM, Lorient, France
| | - Marie Champion
- Laboratoire de Biotechnologie et Chimie Marines, Université Bretagne Sud, EMR CNRS 6076, IUEM, Lorient, France
| | - Laurianne Chauvin
- Laboratoire de Biotechnologie et Chimie Marines, Université Bretagne Sud, EMR CNRS 6076, IUEM, Lorient, France
| | - Mickaël Castro
- Institut de Recherche Dupuy de Lôme, Centre de Recherche Christian Huygens, Rue de Saint-Maudé, Lorient, France
| | - Antoine Le Duigou
- Institut de Recherche Dupuy de Lôme, Centre de Recherche Christian Huygens, Rue de Saint-Maudé, Lorient, France
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2
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Talekar S, Barrow CJ, Nguyen HC, Zolfagharian A, Zare S, Farjana SH, Macreadie PI, Ashraf M, Trevathan-Tackett SM. Using waste biomass to produce 3D-printed artificial biodegradable structures for coastal ecosystem restoration. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 925:171728. [PMID: 38492597 DOI: 10.1016/j.scitotenv.2024.171728] [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: 12/23/2023] [Revised: 03/02/2024] [Accepted: 03/13/2024] [Indexed: 03/18/2024]
Abstract
The loss of ecosystem functions and services caused by rapidly declining coastal marine ecosystems, including corals and bivalve reefs and wetlands, around the world has sparked significant interest in interdisciplinary methods to restore these ecologically and socially important ecosystems. In recent years, 3D-printed artificial biodegradable structures that mimic natural life stages or habitat have emerged as a promising method for coastal marine restoration. The effectiveness of this method relies on the availability of low-cost biodegradable printing polymers and the development of 3D-printed biomimetic structures that efficiently support the growth of plant and sessile animal species without harming the surrounding ecosystem. In this context, we present the potential and pathway for utilizing low-cost biodegradable biopolymers from waste biomass as printing materials to fabricate 3D-printed biodegradable artificial structures for restoring coastal marine ecosystems. Various waste biomass sources can be used to produce inexpensive biopolymers, particularly those with the higher mechanical rigidity required for 3D-printed artificial structures intended to restore marine ecosystems. Advancements in 3D printing methods, as well as biopolymer modifications and blending to address challenges like biopolymer solubility, rheology, chemical composition, crystallinity, plasticity, and heat stability, have enabled the fabrication of robust structures. The ability of 3D-printed structures to support species colonization and protection was found to be greatly influenced by their biopolymer type, surface topography, structure design, and complexity. Considering limited studies on biodegradability and the effect of biodegradation products on marine ecosystems, we highlight the need for investigating the biodegradability of biopolymers in marine conditions as well as the ecotoxicity of the degraded products. Finally, we present the challenges, considerations, and future perspectives for designing tunable biomimetic 3D-printed artificial biodegradable structures from waste biomass biopolymers for large-scale coastal marine restoration.
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Affiliation(s)
- Sachin Talekar
- School of Life and Environmental Sciences, Deakin University, Waurn Ponds, Victoria 3216, Australia; ARC Industrial Transformation Training Centre for Green Chemistry in Manufacturing, Deakin University, Waurn Ponds, Victoria 3216, Australia; Centre for Sustainable Bioproducts, Deakin University, Waurn Ponds, Victoria 3216, Australia
| | - Colin J Barrow
- School of Life and Environmental Sciences, Deakin University, Waurn Ponds, Victoria 3216, Australia; ARC Industrial Transformation Training Centre for Green Chemistry in Manufacturing, Deakin University, Waurn Ponds, Victoria 3216, Australia; Centre for Sustainable Bioproducts, Deakin University, Waurn Ponds, Victoria 3216, Australia.
| | - Hoang Chinh Nguyen
- School of Life and Environmental Sciences, Deakin University, Waurn Ponds, Victoria 3216, Australia; Centre for Sustainable Bioproducts, Deakin University, Waurn Ponds, Victoria 3216, Australia
| | - Ali Zolfagharian
- School of Engineering, Deakin University, Waurn Ponds, Victoria 3216, Australia
| | - Shahab Zare
- School of Engineering, Deakin University, Waurn Ponds, Victoria 3216, Australia
| | | | - Peter I Macreadie
- Deakin Marine Research and Innovation Centre, School of Life and Environmental Sciences, Deakin University, Burwood, Victoria 3125, Australia
| | - Mahmud Ashraf
- School of Engineering, Deakin University, Waurn Ponds, Victoria 3216, Australia
| | - Stacey M Trevathan-Tackett
- Deakin Marine Research and Innovation Centre, School of Life and Environmental Sciences, Deakin University, Burwood, Victoria 3125, Australia
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Contardi M, Fadda M, Isa V, Louis YD, Madaschi A, Vencato S, Montalbetti E, Bertolacci L, Ceseracciu L, Seveso D, Lavorano S, Galli P, Athanassiou A, Montano S. Biodegradable Zein-Based Biocomposite Films for Underwater Delivery of Curcumin Reduce Thermal Stress Effects in Corals. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37376819 PMCID: PMC10360034 DOI: 10.1021/acsami.3c01166] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/29/2023]
Abstract
Massive coral bleaching episodes induced by thermal stress are one of the first causes of coral death worldwide. Overproduction of reactive oxygen species (ROS) has been identified as one of the potential causes of symbiosis breakdown between polyps and algae in corals during extreme heat wave events. Here, we propose a new strategy for mitigating heat effects by delivering underwater an antioxidant to the corals. We fabricated zein/polyvinylpyrrolidone (PVP)-based biocomposite films laden with the strong and natural antioxidant curcumin as an advanced coral bleaching remediation tool. Biocomposites' mechanical, water contact angle (WCA), swelling, and release properties can be tuned thanks to different supramolecular rearrangements that occur by varying the zein/PVP weight ratio. Following immersion in seawater, the biocomposites became soft hydrogels that did not affect the coral's health in the short (24 h) and long periods (15 days). Laboratory bleaching experiments at 29 and 33 °C showed that coral colonies of Stylophora pistillata coated with the biocomposites had ameliorated conditions in terms of morphological aspects, chlorophyll content, and enzymatic activity compared to untreated colonies and did not bleach. Finally, biochemical oxygen demand (BOD) confirmed the full biodegradability of the biocomposites, showing a low potential environmental impact in the case of open-field application. These insights may pave the way for new frontiers in mitigating extreme coral bleaching events by combining natural antioxidants and biocomposites.
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Affiliation(s)
- Marco Contardi
- Department of Earth and Environmental Sciences (DISAT), University of Milan - Bicocca, Milan 20126, Italy
- MaRHE Center (Marine Research and High Education Center), Magoodhoo Island, Faafu Atoll 12030, Republic of Maldives
| | - Marta Fadda
- Smart Materials, Istituto Italiano di Tecnologia, Genova 16163, Italy
| | - Valerio Isa
- Department of Earth and Environmental Sciences (DISAT), University of Milan - Bicocca, Milan 20126, Italy
- MaRHE Center (Marine Research and High Education Center), Magoodhoo Island, Faafu Atoll 12030, Republic of Maldives
| | - Yohan D Louis
- Department of Earth and Environmental Sciences (DISAT), University of Milan - Bicocca, Milan 20126, Italy
- MaRHE Center (Marine Research and High Education Center), Magoodhoo Island, Faafu Atoll 12030, Republic of Maldives
| | - Andrea Madaschi
- Department of Earth and Environmental Sciences (DISAT), University of Milan - Bicocca, Milan 20126, Italy
- MaRHE Center (Marine Research and High Education Center), Magoodhoo Island, Faafu Atoll 12030, Republic of Maldives
| | - Sara Vencato
- Department of Earth and Environmental Sciences (DISAT), University of Milan - Bicocca, Milan 20126, Italy
- MaRHE Center (Marine Research and High Education Center), Magoodhoo Island, Faafu Atoll 12030, Republic of Maldives
| | - Enrico Montalbetti
- Department of Earth and Environmental Sciences (DISAT), University of Milan - Bicocca, Milan 20126, Italy
- MaRHE Center (Marine Research and High Education Center), Magoodhoo Island, Faafu Atoll 12030, Republic of Maldives
| | - Laura Bertolacci
- Smart Materials, Istituto Italiano di Tecnologia, Genova 16163, Italy
| | - Luca Ceseracciu
- Materials Characterization Facility, Istituto Italiano di Tecnologia, Genova 16163, Italy
| | - Davide Seveso
- Department of Earth and Environmental Sciences (DISAT), University of Milan - Bicocca, Milan 20126, Italy
- MaRHE Center (Marine Research and High Education Center), Magoodhoo Island, Faafu Atoll 12030, Republic of Maldives
| | - Silvia Lavorano
- Costa Edutainment SpA - Acquario di Genova, Genova 16128, Italy
| | - Paolo Galli
- Department of Earth and Environmental Sciences (DISAT), University of Milan - Bicocca, Milan 20126, Italy
- MaRHE Center (Marine Research and High Education Center), Magoodhoo Island, Faafu Atoll 12030, Republic of Maldives
- Dubai Business School, University of Dubai, Dubai 14143, United Arab Emirates
| | | | - Simone Montano
- Department of Earth and Environmental Sciences (DISAT), University of Milan - Bicocca, Milan 20126, Italy
- MaRHE Center (Marine Research and High Education Center), Magoodhoo Island, Faafu Atoll 12030, Republic of Maldives
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Levy N, Berman O, Yuval M, Loya Y, Treibitz T, Tarazi E, Levy O. Emerging 3D technologies for future reformation of coral reefs: Enhancing biodiversity using biomimetic structures based on designs by nature. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 830:154749. [PMID: 35339542 DOI: 10.1016/j.scitotenv.2022.154749] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 03/10/2022] [Accepted: 03/18/2022] [Indexed: 06/14/2023]
Abstract
The rapid decline of vulnerable coral reefs has increased the necessity of exploring interdisciplinary methods for reef restoration. Examining how to upgrade these tools may uncover options to better support or increase biodiversity of coral reefs. As many of the issues facing reef restoration today deal with the scalability and effectiveness of restoration efforts, there is an urgency to invest in technology that can help reach ecosystem-scale. Here, we provide an overview on the evolution to current state of artificial reefs as a reef reformation tool and discuss a blueprint with which to guide the next generation of biomimetic artificial habitats for ecosystem support. Currently, existing artificial structures have difficulty replicating the 3D complexity of coral habitats and scaling them to larger areas can be problematic in terms of production and design. We introduce a novel customizable 3D interface for producing scalable, biomimetic artificial structures, utilizing real data collected from coral ecosystems. This interface employs 3D technologies, 3D imaging and 3D printing, to extract core reef characteristics, which can be translated and digitized into a 3D printed artificial reef. The advantages of 3D printing lie in providing customized tools by which to integrate the vital details of natural reefs, such as rugosity and complexity, into a sustainable manufacturing process. This methodology can offer economic solutions for developing both small and large-scale biomimetic structures for a variety of restoration situations, that closely resemble the coral reefs they intend to support.
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Affiliation(s)
- Natalie Levy
- Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan 52900, Israel.
| | - Ofer Berman
- Design-Tech Lab, Industrial Design Department at the Faculty of Architecture and Town Planning Technion, Israel Institute of Technology, Haifa 3200003, Israel
| | - Matan Yuval
- Hatter Department of Marine Technologies, Charney School of Marine Sciences, University of Haifa, Haifa 3498838, Israel; Department of Marine Biology, Charney School of Marine Sciences, University of Haifa, Haifa 3498838, Israel; Inter-University Institute for Marine Sciences of Eilat, Eilat 88103, Israel
| | - Yossi Loya
- School of Zoology, Tel-Aviv University, Ramat Aviv 6997801, Israel
| | - Tali Treibitz
- Department of Marine Biology, Charney School of Marine Sciences, University of Haifa, Haifa 3498838, Israel
| | - Ezri Tarazi
- Design-Tech Lab, Industrial Design Department at the Faculty of Architecture and Town Planning Technion, Israel Institute of Technology, Haifa 3200003, Israel
| | - Oren Levy
- Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat Gan 52900, Israel
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Leonard C, Hédouin L, Lacorne MC, Dalle J, Lapinski M, Blanc P, Nugues MM. Performance of innovative materials as recruitment substrates for coral restoration. Restor Ecol 2021. [DOI: 10.1111/rec.13625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Camille Leonard
- PSL Université Paris: EPHE‐UPVD‐CNRS, USR 3278 CRIOBE, BP 1013, 98729 Papetoai, Moorea French Polynesia
| | - Laetitia Hédouin
- PSL Université Paris: EPHE‐UPVD‐CNRS, USR 3278 CRIOBE, BP 1013, 98729 Papetoai, Moorea French Polynesia
- Laboratoire d'Excellence “CORAIL”, Papetoai, Moorea French Polynesia
| | - Margaux C. Lacorne
- PSL Université Paris: EPHE‐UPVD‐CNRS, USR 3278 CRIOBE, BP 1013, 98729 Papetoai, Moorea French Polynesia
- Université des Antilles, Fouillole, Pointe‐à‐Pitre 97157 Guadeloupe
| | - Julien Dalle
- Seaboost, 889 rue de la Vieille Poste 34000 Montpellier France
| | | | | | - Maggy M. Nugues
- Laboratoire d'Excellence “CORAIL”, Papetoai, Moorea French Polynesia
- PSL Université Paris: EPHE‐UPVD‐CNRS, USR 3278 CRIOBE, Université de Perpignan, 52 Avenue Paul Alduy, 66860 Perpignan Cedex France
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Wolfe K, Mumby PJ. RUbble Biodiversity Samplers: 3D‐printed coral models to standardize biodiversity censuses. Methods Ecol Evol 2020. [DOI: 10.1111/2041-210x.13462] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Kennedy Wolfe
- Marine Spatial Ecology Lab School of Biological Sciences and ARC Centre of Excellence for Coral Reef Studies University of Queensland St Lucia Qld Australia
| | - Peter J. Mumby
- Marine Spatial Ecology Lab School of Biological Sciences and ARC Centre of Excellence for Coral Reef Studies University of Queensland St Lucia Qld Australia
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