Structure, mechanics and material properties of claw cuticle from mole cricket Gryllotalpaorientalis

Zhang, Zhifeng; Yan, Zhang; Zhang, Junxia; Zhu, Yueying

doi:10.1371/journal.pone.0222116

Cited by 20 publications

(19 citation statements)

References 35 publications

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“…The superior catalytic activity towards the glucose for bimetallic NCNT MOF CoCu nanostructure is mainly attributed to higher catalytic active sites, fast electron transfer performance, and synergistic effects between bimetallic CoCu and NCNTs. Table 1 illustrates the detailed comparative analysis of Full Paper our fabricated sensor with performance reported in the literature [46][47][48][49][50][51][52][53].…”

Section: Electrochemical Performance Of Glucosementioning

confidence: 99%

Highly Oriented Nitrogen‐doped Carbon Nanotube Integrated Bimetallic Cobalt Copper Organic Framework for Non‐enzymatic Electrochemical Glucose and Hydrogen Peroxide Sensor

Kim

Muthurasu

2021

Electroanalysis

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The hierarchical three‐dimensional nitrogen‐doped carbon nanotube anchored bimetallic cobalt copper organic framework (NCNT MOF CoCu) is successfully synthesized by the direct growth approach using the high‐temperature carbonization of bimetallic cobalt copper organic framework (MOF CoCu‐500). The as‐prepared NCNT MOF CoCu nanostructure possesses high‐level activity for both glucose and hydrogen peroxide (H2O2) sensing molecules. The cyclic voltammetry (CV) and chronoamperometry (CA) studies demonstrate excellent electrocatalytic performance for the oxidation of glucose with a linear range of 0.05 to 2.5 mM, high sensitivity of 1027 μA mM−1cm−2, and the lowest detection limit of 0.15 μM. Similarly, the NCNT MOF CoCu nanostructure showed significantly higher H2O2 activity with a linear range of 0.05 to 3.5 mM, high sensitivity of 639.5 μA mM−1cm−2, and the lowest detection limit of 0.206 μM. Thanks to its special hierarchical nanoarchitecture, homogeneous nitrogen‐doped carbon nanotubes, and highly graphitized carbon, which may be increased the synergistic effect between bimetallic CoCu and NCNT in the organic framework. The potentially effective fabricated sensor was also used as a suitable probe for the detection of glucose and H2O2 in the analysis of the real samples.

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Section: Electrochemical Performance Of Glucosementioning

confidence: 99%

Highly Oriented Nitrogen‐doped Carbon Nanotube Integrated Bimetallic Cobalt Copper Organic Framework for Non‐enzymatic Electrochemical Glucose and Hydrogen Peroxide Sensor

Kim

Muthurasu

2021

Electroanalysis

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“…Insects have evolved excellent biological features that promote subsurface exploration and even motion in the subterranean environment [1][2][3][4]. The relations between structure, mechanical properties and function are manifested in various successful digging mechanisms in nature [5][6][7]. Some of them rely on enlarged front limbs [7], while some rely on specialized body movements [4].…”

Section: Introductionmentioning

confidence: 99%

“…The relations between structure, mechanical properties and function are manifested in various successful digging mechanisms in nature [ 5 – 7 ]. Some of them rely on enlarged front limbs [ 7 ], while some rely on specialized body movements [ 4 ]. Several studies presented bioinspired diggers based on such digging apparatuses [ 8 – 11 ].…”

Section: Introductionmentioning

confidence: 99%

The biomechanics of the locust ovipositor valves: a unique digging apparatus

Das

Gershon

Bar‐On

et al. 2022

J. R. Soc. Interface.

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The female locust has a unique mechanism for digging in order to deposit its eggs deep in the ground. It uses two pairs of sclerotized valves to displace the granular matter, while extending its abdomen as it propagates underground. This ensures optimal conditions for the eggs to incubate and provides them with protection from predators. Here, the direction-dependent biomechanics of the locust's major, dorsal digging valves are quantified and analysed under forces in the physiological range and beyond, considering the hydration level as well as the females' sexual maturation state. Our findings reveal that the responses of the valves to compression forces in the digging and propagation directions change upon sexual maturation to follow their function and depend on environmental conditions. In addition, mature females, which lay eggs, have stiffer valves, up to approximately 19 times the stiffness of the pre-mature locusts. The valves are stiffer in the major working direction, corresponding to soil shuffling and compression, compared with the direction of propagation. Hydration of the valves reduces their stiffness but increases their resilience against failure. These findings provide mechanical and materials guidelines for the design of novel non-drilling burrowing tools, including three-dimensionally printed anisotropic materials based on composites

show abstract

“…Insects have evolved excellent biological features that promote subsurface exploration and even motion in the subterranean environment [1][2][3][4] . The relations between structure, mechanical properties, and function are manifested in various successful digging mechanisms in nature [5][6][7] . Some of them rely on enlarged front limbs 7 , while some rely on specialized body movements 4 .…”

Section: Introductionmentioning

confidence: 99%

“…The relations between structure, mechanical properties, and function are manifested in various successful digging mechanisms in nature [5][6][7] . Some of them rely on enlarged front limbs 7 , while some rely on specialized body movements 4 .…”

Section: Introductionmentioning

confidence: 99%

The Biomechanics of the Locust Ovipositor Valves: a Unique Digging Apparatus

Das

Gershon

Bar‐On

et al. 2021

Preprint

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The female locust has a unique mechanism for digging in order to deposit its eggs deep in the ground. It utilizes two pairs of sclerotized valves to displace the granular matter, while extending its abdomen as it propagates underground. This ensures optimal conditions for the eggs to incubate, and provides them with protection from predators. Here, two major axes of operation of the digging valves are identified, one in parallel to the propagation direction of the ovipositor, and one perpendicular to it. The direction-dependent biomechanics of the locust major, dorsal digging valves are quantified and analyzed, under forces in the physiological range and beyond, considering hydration level, as well as the females age, or sexual maturation state. Our findings reveal that the responses of the valves to compression forces in the specific directions change upon sexual maturation to follow their function, and depend on environmental conditions. Namely, in the physiological force range, the valves are resistant to mechanical failure. In addition, mature females, which lay eggs, have stiffer valves, up to roughly nineteen times the stiffness of the pre-mature locusts. The valves are stiffer in the major working direction, corresponding to soil shuffling and compression, compared to the direction of propagation. Hydration of the valves reduces their stiffness but increases their resilience against failure. These findings provide mechanical and materials guidelines for the design of novel non-drilling excavating tools, including 3D-printed anisotropic materials based on composites.

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Structure, mechanics and material properties of claw cuticle from mole cricket Gryllotalpaorientalis

Cited by 20 publications

References 35 publications

Highly Oriented Nitrogen‐doped Carbon Nanotube Integrated Bimetallic Cobalt Copper Organic Framework for Non‐enzymatic Electrochemical Glucose and Hydrogen Peroxide Sensor

Highly Oriented Nitrogen‐doped Carbon Nanotube Integrated Bimetallic Cobalt Copper Organic Framework for Non‐enzymatic Electrochemical Glucose and Hydrogen Peroxide Sensor

The biomechanics of the locust ovipositor valves: a unique digging apparatus

The Biomechanics of the Locust Ovipositor Valves: a Unique Digging Apparatus

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