Salt‐Tolerant Superoleophobicity on Alginate Gel Surfaces Inspired by Seaweed (<i>Saccharina japonica</i>)

Cai, Yue; Lu, Qihang; Guo, Xinglin; Wang, Shutao; Qiao, Jinliang; Jiang, Lei

doi:10.1002/adma.201404479

Cited by 174 publications

(126 citation statements)

References 45 publications

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“…[ 51 ] In addition, as a kind of marine plants, seaweeds, which possess rich content of polysaccharides, show salt-tolerant underwater superoleophobicity, leading to their remarkable anti-biofouling capability. [ 53 ] Inspired by these interesting phenomena, a novel strategy based on underwater superoleophobicity has been developed and exhibited great potential for effi cient antibiofouling. [ 27,[54][55][56] For example, by grafting poly(N-isopropylacrylamide) (PNIPAAm) on silicon nanowire arrays (SiNW) via surface-initiated atom transfer radical polymerization (SI-ATRP), Chen et al reported a thermal-responsive nanostructured (SiNW-PNIPAAm) surface, showing underwater superoleophobic property ( Figure 3 a).…”

Section: Bioinspired Underwater Superoleophobic Surfacesmentioning

confidence: 99%

Designing Bioinspired Anti‐Biofouling Surfaces based on a Superwettability Strategy

Zhang

Zang

et al. 2016

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Anti-biofouling surfaces are of high importance owing to their crucial roles in biosensors, biomedical devices, food processing, the marine industry, etc. However, traditional anti-biofouling surfaces based on either the release of biocidal compounds or surface chemical/physical design cannot satisfy the practical demands when meeting real-world complex conditions. The outstanding performances of natural anti-biofouling surfaces motivate the development of new bioinspired anti-biofouling surfaces. Herein, a novel strategy is proposed for rationally designing bioinspired anti-biofouling surfaces based on superwettability. By utilizing the trapped air cushions or liquid layers, Lotus leaf inspired superhydrophobic surfaces, fish scales inspired underwater superoleophobic surfaces, and Nepenthes pitcher plants inspired omniphobic slippery surfaces have been successfully designed as anti-biofouling surfaces to effectively resist proteins, bacteria, cells, and marine organisms. It is believed that these novel superwettability-based anti-biofouling surfaces will bring a new era to both biomedical technology and the marine industry, and will greatly benefit human health and daily life in the near future.

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Section: Bioinspired Underwater Superoleophobic Surfacesmentioning

confidence: 99%

Designing Bioinspired Anti‐Biofouling Surfaces based on a Superwettability Strategy

Zhang

Zang

et al. 2016

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“…[11][12][13] Inspired by Lotus leaves, 14,15 Salvinia, 16 seaweed 17 and other species in nature, [18][19][20][21][22] a variety of man-made approaches have been pursued to mimic those surfaces to create artificial superhydrophobic surfaces.…”

Section: Introductionmentioning

confidence: 99%

Designing durable and flexible superhydrophobic coatings and its application in oil purification

Wang

Xiong

et al. 2016

J. Mater. Chem. A

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Lotus-inspired superhydrophobic coatings are usually mechanically weak and lack durability, this hinders their practical applications. A suspension that can be treated on various materials in any size and shape to form a mechanically durable superhydrophobic coating is developed, which retains water repellent properties after multiple cycles of abrasion, blade scratching, tape-peeling, repeated deformation, a series of environmental tests and recycling. Based on its superhydrophobicity under oil, two highly efficient systems were developed for oil purification -stirring and inverted cone systems. Small water drops converge on the coated surface that was immersed in oil through velocity-controlled stirring, or designing an inverted cone superhydrophobic surface under oil to collect water drops spontaneously. This coating can be readily used for practical applications to make a durable superhydrophobic coating that functions either in air or oils.

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“…A layer of water-retaining gel, calcium alginate, was coated onto the mesh. Since the absorbed water in the hydrogel acts as an intermediate phase that repels oil, the mesh is rendered superoleophobic underwater38. Hydrophobic fibres silanized with OTS were used as the regulating fibres.…”

Section: Resultsmentioning

confidence: 99%

“…The superoleophobic polyester mesh was fabricated as described elsewhere38. The mesh was first dip coated in a poly(ethylenimine) solution (10%, w/v).…”

Section: Methodsmentioning

confidence: 99%

Mechano-regulated surface for manipulating liquid droplets

et al. 2017

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The effective transfer of tiny liquid droplets is vital for a number of processes such as chemical and biological microassays. Inspired by the tarsi of meniscus-climbing insects, which can climb menisci by deforming the water/air interface, we developed a mechano-regulated surface consisting of a background mesh and a movable microfibre array with contrastive wettability. The adhesion of this mechano-regulated surface to liquid droplets can be reversibly switched through mechanical reconfiguration of the microfibre array. The adhesive force can be tuned by varying the number and surface chemistry of the microfibres. The in situ adhesion of the mechano-regulated surface can be used to manoeuvre micro-/nanolitre liquid droplets in a nearly loss-free manner. The mechano-regulated surface can be scaled up to handle multiple droplets in parallel. Our approach offers a miniaturized mechano-device with switchable adhesion for handling micro-/nanolitre droplets, either in air or in a fluid that is immiscible with the droplets.

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Salt‐Tolerant Superoleophobicity on Alginate Gel Surfaces Inspired by Seaweed (Saccharina japonica)

Cited by 174 publications

References 45 publications

Designing Bioinspired Anti‐Biofouling Surfaces based on a Superwettability Strategy

Designing Bioinspired Anti‐Biofouling Surfaces based on a Superwettability Strategy

Designing durable and flexible superhydrophobic coatings and its application in oil purification

Mechano-regulated surface for manipulating liquid droplets

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