Viscoelastic characterization of the mucus from the skin of loach

Shuxin Huang

Korea-Australia Rheology Journal, Vol.33, No.1, 1-9, February, 2021

DOI10.1007/s13367-021-0001-5 Export Citation

Viscoelastic characterization of the mucus from the skin of loach

Shuxin Huang^{1, 2, †}

¹Department of Engineering Mechanics, Shanghai Jiao Tong University, Shanghai 200240, China
²Key Laboratory of Hydrodynamics, Ministry of Education, Shanghai 200240, China

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The epidermal mucus secreted by fish is a natural barrier between fish and water, which is a slippery and slightly thick fluid with some biological functions. The present work is to characterize the viscoelastic property of a loach skin mucus published recently by using a viscoelastic model with four hypotheses. The experimental steady shear viscosity with the maximum shear rate of 10 s-1 for the mucus was fitted to obtain the parameters in the model. The other four steady shear viscosity curves with the maximum shear rate of 0.004, 0.01, 0.1, and 1.0 s-1, respectively, and the start-up experiment at the shear rate of 0.1 s-1 were predicted. The phenomenon that the viscosity at the low shear rate in the decreasing shear rate regime is higher than that in the increasing shear rate regime can be illuminated by a structural irreversibility hypothesis, which is based on the varying linear viscoelastic property of the mucus induced by shear rate. The theoretical description on the unusual viscosity curves of the loach mucus provides a base for quantitative analysis on the mucus effect on the swimming of fish, and could promote the understanding on the swimmingrelated function of skin mucus in fish.

Keywords:loach mucus;viscoelastic property;constitutive equation;shear strengthening;function

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Papanastasiou AC, Scriven LE, Macosko CW, J. Rheol., 27, 387 (1983)
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[1] Barnes HA, Hutton JF, Walters K, An Introduction to Rheology, 1989.

[2] Bernadsky G, Sar N, Rosenberg E, J. Fish Biol., 42, 797 (1993)

[3] Bird RB, Armstrong RC, Hassager O, Dynamics of Polymeric Fluids, Vol. 1. Fluid Mechanics 1987.

[4] Chiou TW, Wang SS, Bioprocess Eng., 23, 551 (2000)

[5] Cox WP, Merz EH, J. Polym. Sci., 28, 619 (1958)

[6] Daniel TL, Biol. Bull., 160, 376 (1981)

[7] Guardiola FA, Cuartero M, del Mar Collado-Gonzalez M, et al., Biorheology, 52, 247 (2015)

[8] Huang S, Int. J. Biol. Macromol., 120, 1601 (2018)

[9] Inceoglu S, Aytun T, Menceloglu YZ, Ozen I, Acar MH, Korea-Aust. Rheol. J., 24(4), 313 (2012)

[10] Kimura M, Hama Y, Sumi T, Asakawa M, Rao BN, Horne AP, Li SC, Li YT, Nakagawa H, J. Biol. Chem., 269, 32138 (1994)

[11] Li XM, Pang X, Zheng H, Li XJ, Fu SJ, Zhang YG, Aquat. Biol., 26, 125 (2017)

[12] Liu D, Tao X, Wang Y, Cai B, Du M, Zheng Q, Acta Polym. Sin., 4, 468 (2010)

[13] Lopez-Vidriero MT, Jones R, Reid L, Fletcher TC, J. Comp. Pathol., 90, 415 (1980)

[14] Papanastasiou AC, Scriven LE, Macosko CW, J. Rheol., 27, 387 (1983)

[15] Pickering AD, Richards RH, Proc. R. Soc. Edinb. Sect. B-Biol., 79B, 93 (1980)

[16] Pickering AD, J. Fish Biol., 6, 111 (1974)

[17] Roberts SD, Powell MD, J. Comp. Physiol. B, 175, 1 (2005)

[18] Rosen MW, Cornford NE, Nature, 234, 49 (1971)

[19] Sagnes P, Champagne JY, Morel R, J. Fish Biol., 57, 52 (2000)

[20] Shephard KL, Rev. Fish. Biol. Fish., 4, 401 (1994)

[21] Smith AM, Fleming L, Wudebwe U, Bowen J, Grover LM, J. Mech. Behav. Biomed. Mater., 32, 177 (2014)

[22] Steinhausen MF, Steffensen JF, Andersen NG, Mar. Freshw. Behav. Physiol., 43, 227 (2010)

[23] Wang X, Su H, Lv WY, Du M, Song YH, Zheng Q, J. Rheol., 59(1), 51 (2015)

[24] Wang X, Du M, Han HP, Song YH, Zheng Q, Langmuir, 31(16), 4733 (2015)

[25] Wang X, Du M, Song YH, Zheng Q, Chin. J. Polym. Sci., 32, 1381 (2014)

[26] Whitear M, Mittal AK, J. Fish Biol., 25, 317 (1984)

[27] Wotton RS, J. N. Am. Benthol. Soc., 30, 762 (2011)

[28] Wu Y,, Pei X, Wang X, Liang Y, Liu W, Zhou F, NPG Asia Mater, 6, e136 (2014)

[29] Zupa W, Carbonara P, Spedicato MT, Lembo G, Mar. Freshw. Behav. Physiol., 48, 341 (2015)