A new approach to the restoration of seaweed beds using Sargassum fulvellum

Jung, Sang Mok; Lee, Ji Hyun; Han, Seung Hee; Jeon, Won Bin; Kim, Ga Yeon; Kim, Sinyang; Kim, Seongju; Lee, Hwa‐Rim; Hwang, Dong Soo; Jung, Sungjune; Lee, Jong–Dae; Shin, Hyun Woung

doi:10.1007/s10811-020-02054-y

Cited by 12 publications

(6 citation statements)

References 47 publications

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“…HBPA is a synthetic underwater with a hydrophobic backbone and hydrophilic catechol side chain adhesive material. When in contact with water, hydrophobic chains quickly gather and form cohesions, thereby repelling water molecules on the surface of the substrate, at which time the hydrophobic contraction of polymer chains is formed spontaneously in water, and more catechol groups are exposed (Jung et al 2020) in full contact with the adherent group to achieve rapid and strong adhesion underwater. In the adhesion agent experiments, the synthetic HBPA had the advantage of strong adhesion and high viscosity, but the degradation rate underwater was slow, resulting in zygotes being tightly encapsulated and their germination hindered, so the attachment density was only 22 ind.…”

Section: Effect Of Adhesives On the Adhesion Of Seaweed Zygotesmentioning

confidence: 99%

Effect of adhesives and attachment substrates on Sargassaceae zygote attachment

Miao

Yang

Wang

et al. 2023

Preprint

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To address the problem of survival of macroalgal zygote transplants, six adhesives were mixed with Sargassaceae zygotes and incubated to determine their adhesion and germination. The adhesives with the highest zygote survival were selected, and then 4% alginate and 3% CaCl2 were mixed with the zygotes and applied to three adhesion substrates with different levels of roughness. The zygote attachment density was used to determine the combination of adhesives and substrates that was most favorable for zygote adhesion. The results showed that: (1) The zygote attachment density of coated alginate reached 259 ind. cm− 2, with a survival rate of 9.4. Although the attachment density of zygotes encapsulated with hyperbranched polymeric adhesive (HBPA) was low, the material was viscous, adhesive, and slow to dissolve, giving it potential as an outdoor transplant adhesion material. (2) The attachment density of zygotes on brick, cement board, and PVC substrates sprayed with 3% CaCl2 reached 86 ind. cm− 2, 48 ind. cm− 2, and 8 ind. cm− 2, and the survival rate was 52%, 29%, and 5%, respectively. The rougher the substrate, the more zygotes adhered. Therefore, in macroalgae restoration and seaweed farm reconstruction, artificial algal reefs with a rough substrate and granular dents could be used in combination with the application of adhesives. The results of this study will help to address the environmental constraints affecting the artificial transplantation of macroalgae and aid in the development of innovative habitat restoration techniques for macroalgae habitats.

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Section: Effect Of Adhesives On the Adhesion Of Seaweed Zygotesmentioning

confidence: 99%

Effect of adhesives and attachment substrates on Sargassaceae zygote attachment

Miao

Yang

Wang

et al. 2023

Preprint

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“…Consequently, additional challenges need to be considered for flexible wearable electronics with superhydrophobic functions. The development of superhydrophobic surfaces requires both surface roughness and low surface energy and can be categorized into two primary types: top-down [32,89,90] and bottom-up. [31,91,92] The topdown strategies create micro/nanostructures on an existing hydrophobic surface, utilizing techniques such as templating, photolithography, plasma etching, and chemical etching.…”

Section:  Progress In Design Strategies Of Flexible Superhydrophobi...mentioning

confidence: 99%

“…[29] This strategy is inspired by the fascinating bioinspired phenomenon known as the lotus effect, named after the behavior of liquid droplets that effortlessly roll on the surface of a lotus leaf. [30] Following the systematic exploration of superhydrophobicity in natural systems, a plethora of methods have emerged to fabricate synthetic superhydrophobic materials, encompassing both bottom-up [31] and top-down [32] fabrication approaches. Leveraging these technological breakthroughs, there have been numerous reports of functional devices.…”

Section: Introductionmentioning

confidence: 99%

Durable superhydrophobic surface in wearable sensors: From nature to application

Dai,

Lei,

Ding

et al. 2023

Exploration

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The current generation of wearable sensors often experiences signal interference and external corrosion, leading to device degradation and failure. To address these challenges, the biomimetic superhydrophobic approach has been developed, which offers self‐cleaning, low adhesion, corrosion resistance, anti‐interference, and other properties. Such surfaces possess hierarchical nanostructures and low surface energy, resulting in a smaller contact area with the skin or external environment. Liquid droplets can even become suspended outside the flexible electronics, reducing the risk of pollution and signal interference, which contributes to the long‐term stability of the device in complex environments. Additionally, the coupling of superhydrophobic surfaces and flexible electronics can potentially enhance the device performance due to their large specific surface area and low surface energy. However, the fragility of layered textures in various scenarios and the lack of standardized evaluation and testing methods limit the industrial production of superhydrophobic wearable sensors. This review provides an overview of recent research on superhydrophobic flexible wearable sensors, including the fabrication methodology, evaluation, and specific application targets. The processing, performance, and characteristics of superhydrophobic surfaces are discussed, as well as the working mechanisms and potential challenges of superhydrophobic flexible electronics. Moreover, evaluation strategies for application‐oriented superhydrophobic surfaces are presented.

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“…To rehabilitate or mitigate against these losses, attempts have mainly been made to construct seaweed beds worldwide, such as in Japan since the 1980s (e.g., Tomiyama 1981;Yamauchi 1984;Ohno et al 1990;Watanuki and Yamamoto 1990;Ohno 1993;Choi et al 2000;Choi et al 2002;Terawaki et al 2003;Choi et al 2006); in USA (e.g., Reed and Foster 1984;Arkema et al 2009;Benes and Carpenter 2015;Schroeter et al 2015); and in Korea (e.g., Jung et al 2020). It is important to know which types of seaweed will colonize at an installed arti cial substrate, undergo growth transition, and eventually dominate to create effective seaweed beds.…”

Section: Introductionmentioning

confidence: 99%

Comparison of seaweed species composition and coverage of Sargassum and Myagropsis communities between artificial and natural reefs in Wakasa Bay, Japan

Matsui,

Kawamura,

Nozawa

et al. 2024

Preprint

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The threat of declining seaweed beds has been a concern around the world. Seagrass and seaweed (brown algae) beds are essential habitats supporting fisheries. However, approximately 22% of these habitats have been lost in Japan due to increased coastal landfill sites and ports. This study aims to rehabilitate the depletion of these habitats by constructing an artificial reef in Wakasa Bay, Japan, and monitoring brown algae (Sargassum and Myagropsis) succession in 2 years and 4 years after the construction was completed. In this study, we set up five sites on the artificial reef as a treatment area and one site on the natural reef as a control area and then identified the seaweed species composition of the Sargassum and Myagropsis communities and their coverage on each reef using underwater visual observation by scuba divers. The seaweed coverage on the artificial reef was already close to that on the natural reef in 2 years after construction. However, the dominant species on the artificial reef was not conformable to that on the natural reef in 2 years after construction. The dominant species on the artificial reef changed to S. horneri/S. confusum in 2 years after construction and M. myagroides in 4 years after construction. On the other hand, the dominant species on the natural reef changed to S. patens in 2 years after construction and M. myagroides in 4 years after construction. That is, the species composition on the artificial reef was close to that on the natural reef in 4 years after construction. Thus, the recovery of species composition takes longer than that of seaweed coverage on the artificial reef.

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A new approach to the restoration of seaweed beds using Sargassum fulvellum

Cited by 12 publications

References 47 publications

Effect of adhesives and attachment substrates on Sargassaceae zygote attachment

Effect of adhesives and attachment substrates on Sargassaceae zygote attachment

Durable superhydrophobic surface in wearable sensors: From nature to application

Comparison of seaweed species composition and coverage of Sargassum and Myagropsis communities between artificial and natural reefs in Wakasa Bay, Japan

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