Marine antifouling strategies: Emerging opportunities for seawater resource utilization

Li, Sheng; Feng, Kang; Li, Jiaying; Li, Yan; Li, Zhengtong; Yu, Liangmin; Xu, Xingtao

doi:10.1016/j.cej.2024.149859

Chemical Engineering Journal

2024

DOI: 10.1016/j.cej.2024.149859

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Marine antifouling strategies: Emerging opportunities for seawater resource utilization

Sheng Li,

Kang Feng,

Jiaying Li

et al.

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2024

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Cited by 4 publications

References 119 publications

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Dynamic antifouling strategies of soft corals: Disrupting the flow field by tentacles

Wang,

Jin,

Bing

et al. 2024

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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Dynamic antifouling strategies of soft corals: Disrupting the flow field by tentacles

Wang,

Jin,

Bing

et al. 2024

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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Molecular Dynamics Study on Adsorption and Desorption of the Model Oligosaccharide above Polymer Antifouling Membranes

Zhang,

Ma,

Yuan

2024

Langmuir

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Polysaccharide foulants play a key role in the adhesion of many fouling organisms, which may cause severe marine biofouling. However, the detailed interaction mechanism between polysaccharides and antifouling membranes is still indistinct compared with that between the fouling protein and antifouling surfaces. In this paper, a model oligosaccharide built based on the monosaccharide composition found in diatom extracellular polymeric substances (EPS) was used as a model foulant to investigate its adsorption and desorption above three T4 antifouling membranes. It was found that the anionic poly(3-(methacryloyloxy)propane-1-sulfonate) (T4-SP) antifouling membrane had excellent antifouling ability with respect to the model oligosaccharide, while the oligosaccharide can be easily adsorbed on the poly(2-(dimethylamino)ethyl methacrylate) (T4-DM) membrane with vdW attraction and on the zwitterionic poly(sulfobetaine methacrylate) (T4-SB) membrane with electrostatic attraction. As little is known about the details of polysaccharides' adsorption above antifouling membranes at the molecular level, we hope this work will serve as a theoretical basis for finding more effective materials to prevent or control marine biofouling.

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Anti-Biofouling Polyzwitterion–Poly(amidoxime) Composite Hydrogel for Highly Enhanced Uranium Extraction from Seawater

Yang,

Sun,

Sun

et al. 2024

Gels

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Amidoxime-functionalized hydrogels are one of most promising adsorbents for high-efficiency uranium (U) extraction from seawater, but bioadhesion on their surface seriously decreases their adsorption efficiency and largely shortens their service life. Herein, a semi-interpenetrating zwitterion–poly(amidoxime) (ZW-PAO) hydrogel was explored through introducing a PAO polymer into a poly [3-(dimethyl 4-vinylbenzyl amino) propyl sulfonate] (PDVBAP) polyzwitterionic (PZW) network via ultraviolet (UV) polymerization. Owing to the anti-polyelectrolyte effect of the PZW network, this ZW-PAO hydrogel can provide excellent super-hydrophilicity in seawater for high-efficiency U-adsorption from seawater. Furthermore, the ZW-PAO hydrogel had outstanding anti-biofouling performance for both highly enhanced U-adsorption and a relatively long working life in natural seawater. As a result, during only 25 days in seawater (without filtering bacteria), the U-uptake amount of this ZW-PAO hydrogel can reach 9.38 mg/g and its average rate can reach 0.375 mg/(g∙day), which is excellent among reported adsorbents. This work has explored a promising hydrogel for high-efficiency U-recovery from natural seawater and will inspire new strategy for U-adsorbing materials.

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Marine antifouling strategies: Emerging opportunities for seawater resource utilization

Cited by 4 publications

References 119 publications

Dynamic antifouling strategies of soft corals: Disrupting the flow field by tentacles

Dynamic antifouling strategies of soft corals: Disrupting the flow field by tentacles

Molecular Dynamics Study on Adsorption and Desorption of the Model Oligosaccharide above Polymer Antifouling Membranes

Anti-Biofouling Polyzwitterion–Poly(amidoxime) Composite Hydrogel for Highly Enhanced Uranium Extraction from Seawater

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