Laccase-Mediated In Situ Oxidation of Dopamine for Dyeing of Human Hair 


Vol. 22,  No. 1, pp. 141-148, Jan.  2021
10.1007/s12221-021-9012-6


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  Abstract

Due to the damage of scalp because of chemical dyes, increasing attention had been paid to the ecological dyeing of human hair. To address the need for ecological restoration and dyeing of human hair, herein, a novel approach has been proposed via laccase-mediated in situ oxidation of dihydroxy phenylalanine (dopamine). As laccase can catalyze dopamine oxidation and then polymerization to produce strongly colored polymers, different biological coloration processes of human hair based on this process were investigated: (i) Human hair was treated with laccase alone; (ii) The absorption of human hair with dopamine, followed by further catalysis of air; (iii) The absorption of human hair with dopamine, followed by further catalysis of laccase; (iv) Simultaneous laccase-mediated polymerization and dyeing of human hair; and (v) Polymerization of Dopamine with laccase and then dyeing human hair. The surface properties of dyed hair were evaluated in terms of ultraviolet (UV)-protection, color fastness, Fourier transforming infrared spectrum (FT-IR), optical microscope, and scanning electron microscopy (SEM). The results show that best hair dyeing effect was achieved via simultaneous laccase-mediated polymerization and dyeing. The dyed hair obtained K/S values of 28, light fastness of level 5, and UPF of 100+. The optical microscope and SEM observations show that the surface of colored hair fibers was covered with thin burrs, which can be attributed to polydopamine attached with physical adhesive force and covalent reaction. FT-IR analysis shows that functional groups were present on the surface of the dyed hair which can be considered as introduction of hydroxyl radical groups. This biological stain technique may be widely used in dyeing of hair with black color.

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  Cite this article

[IEEE Style]

W. Jia, S. Li, Z. Luo, H. Yu, W. Zhu, Q. Mao, X. Zhang, Z. Liang, A. Dong, "Laccase-Mediated In Situ Oxidation of Dopamine for Dyeing of Human Hair," Fibers and Polymers, vol. 22, no. 1, pp. 141-148, 2021. DOI: 10.1007/s12221-021-9012-6.

[ACM Style]

Weini Jia, Shirong Li, Zhengxin Luo, Hainan Yu, Wenjun Zhu, Qinghui Mao, Xiaoli Zhang, Zhijie Liang, and Aixue Dong. 2021. Laccase-Mediated In Situ Oxidation of Dopamine for Dyeing of Human Hair. Fibers and Polymers, 22, 1, (2021), 141-148. DOI: 10.1007/s12221-021-9012-6.

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