Fish scale inspired structures—a review of materials, manufacturing and models

Hossain, Md Shahjahan; Ebrahimi, Hossein; Ghosh, Ranajay

doi:10.1088/1748-3190/ac7fd0

Cited by 11 publications

(5 citation statements)

References 133 publications

(327 reference statements)

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“…The quantity of hydrogen bonds formed between hydroxyproline and pyrrolidine significantly influences the increment in enthalpy of denaturation. Therefore, the triple helix does have greater thermal stability the more water molecules that there are surrounding it [ 25 , 71 ].…”

Section: Collagen: Structure and Propertiesmentioning

confidence: 99%

Collagen Derived from Fish Industry Waste: Progresses and Challenges

Rajabimashhadi

Gallo

Salvatore³

et al. 2023

Polymers

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Fish collagen garnered significant academic and commercial focus in the last decades featuring prospective applications in a variety of health-related industries, including food, medicine, pharmaceutics, and cosmetics. Due to its distinct advantages over mammalian-based collagen, including the reduced zoonosis transmission risk, the absence of cultural-religious limitations, the cost-effectiveness of manufacturing process, and its superior bioavailability, the use of collagen derived from fish wastes (i.e., skin, scales) quickly expanded. Moreover, by-products are low cost and the need to minimize fish industry waste’s environmental impact paved the way for the use of discards in the development of collagen-based products with remarkable added value. This review summarizes the recent advances in the valorization of fish industry wastes for the extraction of collagen used in several applications. Issues related to processing and characterization of collagen were presented. Moreover, an overview of the most relevant applications in food industry, nutraceutical, cosmetics, tissue engineering, and food packaging of the last three years was introduced. Lastly, the fish-collagen market and the open technological challenges to a reliable recovery and exploitation of this biopolymer were discussed.

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Section: Collagen: Structure and Propertiesmentioning

confidence: 99%

Collagen Derived from Fish Industry Waste: Progresses and Challenges

Rajabimashhadi

Gallo

Salvatore³

et al. 2023

Polymers

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“…Fish scale inspired structures have been under intense scrutiny as lightweight and smart alternatives to traditional materials. [1][2][3][4] Their structural advantages are now already well established. However, their behavior in dynamic regime, especially damping has been somewhat poorly understood.…”

Section: Introductionmentioning

confidence: 99%

“…5,6 These studies emphasize the dynamic properties and damping mechanisms of thin plates and membranes, attributed to the sliding motion of scales. 3,5,6 Given the complexity and the high cost associated with detailed analysis due to the continuous variation of properties across the structure, a more accessible approach can be passively considered through the use of lumped parameter models. Lumped parameter models simplify the representation of a system by condensing its continuous properties-mass, stiffness, and damping-into a finite set of concentrated parameters.…”

Section: Introductionmentioning

confidence: 99%

Dynamic excitations in periodic fish scale inspired structures

Bateniparvar,

Hossain,

Ghosh

2024

Bioinspiration, Biomimetics, and Bioreplication XIV

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Fish scale-like structures on substrates, arranged periodically, work together to create unique mechanical and optical behaviors. These include nonlinear stiffness, anisotropic deformation, and eventually, locking behavior. Fabrication of scale-like biomimetic examples involves embedding stiffer, plate-like sections into softer substrates. Previously, research has focused on their static qualities. The dynamic response is just as fascinating, showing remarkable interplay between geometry and materials, along with anisotropies. The damping behavior observed here significantly diverges from the conventional damping seen in mechanical frameworks, often modeled as Rayleigh damping. Here we discuss the origin of some of these behaviors that include material-geometry distinction in damping, multiple damping modes and interplay of dissipation possibilities. We have shown a derivation of simple mathematical laws estimating nonlinear spring damper system that govern architecture-dissipation relationships and can help guide design. We conclude by noting the different type of structural damping with other forms of dissipation typically encountered in mechanical behavior.

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“…The placoid scales are commonly found in cartilaginous fish (e.g., sharks, rays, and skates), which show tooth-like dermal denticles with riblets and longitudinal grooves for hydrodynamic functions [7]. In comparison, both cycloid and ctenoid scales belong to the collagen-based elasmoid scales, commonly found in teleosts [12,13]. The elasmoid scales have concentric rings (circuli) on the outer surface, symbolizing the annual growth of the fish similar to tree rings [12]; the cycloid scales have these circuli with no interruptions, while the ctenoid scales have comb-like structures at the posterior margins.…”

Section: Introductionmentioning

confidence: 99%

Elasmoid fish scales as a natural fibre composite: microscopic heterogeneities in structure, mineral distribution, and mechanical properties

Tan,

Jia,

Deng

et al. 2024

Interface Focus.

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The elasmoid scales in teleost fish serve as exemplary models for natural fibre composites with integrated flexibility and protection. Yet, limited research has been focused on the potential structural, chemical, and mechanical heterogeneity within individual scales. This study presents systematic characterizations of the elasmoid scales from black drum fish ( Pogonias cromis ) at different zones within individual scales as a natural fibre composite, focusing on the microscopic structural heterogeneities and corresponding mechanical effects. The focus field at the centre of the scales exhibits a classical tri-layered collagen-based composite design, consisting of the mineralized outermost limiting layer, external elasmodine layer in the middle, and the unmineralized internal elasmodine layer. In comparison, the rostral field at the anterior end of the scales exhibits a two-layered design: the mineralized outermost limiting layer exhibits radii sections on the outer surface, and the inner elasmodine layer consists of collagen fibre-based sublayers with alternating mineralization levels. Chemical and nanoindentation analysis suggests a close correlation between the mineralization levels and the local nanomechanical properties. Comparative finite element modelling shows that the rostral-field scales achieve increased flexibility under both concave and convex bending. Moreover, the evolving geometries of isolated Mandle’s corpuscles in the internal elasmodine layer, transitioning from irregular shapes to faceted octahedrons, suggest the mechanisms of mineral growth and space-filling to thicken the mineralized layers in scales during growth, which enhances the bonding strength between the adjacent collagen fibre layers. This work offers new insights into the structural variations in individual elasmoid scales, providing strategies for bioinspired fibre composite designs with local-adapted functional requirements.

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Fish scale inspired structures—a review of materials, manufacturing and models

Cited by 11 publications

References 133 publications

Collagen Derived from Fish Industry Waste: Progresses and Challenges

Collagen Derived from Fish Industry Waste: Progresses and Challenges

Dynamic excitations in periodic fish scale inspired structures

Elasmoid fish scales as a natural fibre composite: microscopic heterogeneities in structure, mineral distribution, and mechanical properties

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