Biomimetic study of rolling transport through smooth muscle contraction

Chen, Lei; Chen, Shaohua; Gao, Huajian

doi:10.1016/j.colsurfb.2014.08.014

Cited by 11 publications

(11 citation statements)

References 44 publications

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“…It is complex to find the analytical solutions of a and b, but numerical results can be achieved easily. According to our experimental observation, 38 it can be inferred that the elastic cylinder in the present model will roll from right to left as shown in Fig. 2, which is consistent with the direction of strain gradient.…”

Section: -3supporting

confidence: 85%

“…1. According to the rolling experiment, 38 an assumption of perfect adhesion without slipping between the elastic cylinder and the stretched substrate is adopted in this model. A Cartesian coordinate system (x; y) is placed at the contact region.…”

Section: Theoretical Model and Analysismentioning

confidence: 99%

“…14,15,[35][36][37] In order to disclose the mechanical mechanism of oosperm transport induced by smooth muscle contraction, a recently biomimetic experiment suggests that an elastic strain gradient can be utilized to transport spherical particles on a stretchable substrate by rolling. 38 In the experiment, a sticky elastic layer made of thermal plastic rubber is put on a rigid epoxy resin substrate and an interfacial crack is introduced near the edge of the interface, meanwhile a horizontal displacement is imposed at the detached end of the elastic layer. As the layer is stretched beyond a critical strain, the interfacial crack starts to propagate, inducing an elastic strain gradient in the layer that moves with the crack tip.…”

Section: Introductionmentioning

confidence: 99%

“…Either the initiation of rolling or the steady state rolling is also related with the contact radius a and the inherent membrane strain e 0 of the elastic bubble. 38 It provides some enlighten thoughts that asymmetric strain fields generated by smooth muscle contractions may drive the oosperm rolling along the fallopian tube. A comparable finding to the present rolling motion induced by the inhomogeneous strain field is the spontaneous migration of droplets resulted from an asymmetrical chemical interaction.…”

Section: Introductionmentioning

confidence: 99%

“…This result is consistent well with the prediction from the three-dimensional model of an elastic bubble adhering on an elastic substrate. 38 A critical strain gradient g cr can be obtained from the relation…”

Section: -3mentioning

confidence: 99%

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Rolling motion of an elastic cylinder induced by elastic strain gradients

Chen

2014

Journal of Applied Physics

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Articles you may be interested inRecent experiment shows that an elastic strain gradient field can be utilized to transport spherical particles on a stretchable substrate by rolling, inspired by which a generalized plane-strain Johnson-Kendall-Roberts model is developed in this paper in order to verify possible rolling of an elastic cylinder adhering on an elastic substrate subject to a strain gradient. With the help of contact mechanics, closed form solutions of interface tractions, stress intensity factors, and corresponding energy release rates in the plane-strain contact model are obtained, based on which a possible rolling motion of an elastic cylinder induced by strain gradients is found and the criterion for the initiation of rolling is established. The theoretical prediction is consistent well with the existing experimental observation. The result should be helpful for understanding biological transport mechanisms through muscle contractions and the design of transport systems with strain gradient. V C 2014 AIP Publishing LLC. [http://dx

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Section: -3supporting

confidence: 85%

Section: Theoretical Model and Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: -3mentioning

confidence: 99%

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Rolling motion of an elastic cylinder induced by elastic strain gradients

Chen

2014

Journal of Applied Physics

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Flame Retardant and Conductive Superhydrophobic Cotton Fabric with Excellent Electrothermal Property for Efficient Crude‐Oil/Water Mixture Separation and Fast Deicing

et al. 2022

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Fabrics have been widely used in the fields of oil–water separation and deicing in recent years. Considering that the fabric is deeply affected by accidental fires, a flame retardant and conductive superhydrophobic cotton fabric with excellent electrothermal property cotton fabric containing Phytic acid/3‐Aminopropyltriethoxysilane (PA/APTES), carbon nanotube (CNT), and polydimethylsiloxane (PDMS) is developed. The peak heat release rate (PHRR) and total heat release (THR) values of PA/APTES/CNTs/PDMS‐coated fabric significantly declines by 63% and 76%, respectively, when compared to pristine cotton fabrics. Moreover, the heating uniformity on the PA/APTES/CNTs/PDMS‐coated fabric surface is validated by infrared thermography technology. Surprisingly, the CNTs layer also endow the coated fabric with excellent electrothermal capability, with its surface temperature rapidly rising from 22.8 to 500.7 °C within 10 s at a voltage of 25 V. Employing the generated Joule heat, the PA/APTES/CNTs/PDMS‐coated fabric can successfully separate crude oil and water, and the separation efficiency is much higher than that without voltage, about 9.5 times higher. In addition, the coated fabric also has excellent deicing performance. The ice cube with a volume of 12 cm3 is completely melted within 1380 s under 15 V voltage.

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The directional motion of nano-objects induced by an inhomogeneous strain field

Peng

Yang

2019

Acta Mech

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Biomimetic study of rolling transport through smooth muscle contraction

Cited by 11 publications

References 44 publications

Rolling motion of an elastic cylinder induced by elastic strain gradients

Rolling motion of an elastic cylinder induced by elastic strain gradients

Flame Retardant and Conductive Superhydrophobic Cotton Fabric with Excellent Electrothermal Property for Efficient Crude‐Oil/Water Mixture Separation and Fast Deicing

The directional motion of nano-objects induced by an inhomogeneous strain field

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