基于“酚-胺”化学构建抗污表面的研究

doi:10.11896/cldb.22030171

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Abstract Biological contamination is a common problem after implantation and intervention of medical devices,especially blood contact class devices,such as extracorporeal circulation catheters,etc.In addition to affecting the function of devices,biological contamination may also endanger the life of patients.The construction of anti-fouling coatings on device surfaces is one of the most effective strategies to address such problems.The present work was inspired by phenol-amine chemistry and utilizes ε-polylysine (ε-PL),hydrogenated caffeic acid (HCA),and sodium periodate (NaIO₄) in a one-step dip coating method to rapidly and efficiently construct ε-PL/HCA phenol-amine coatings.The HA@ε-PL/HCA coating with good biofouling function was obtained by grafting hyaluronic acid (HA) with abundant amino functional groups on the surface of the coating.The results of Fourier infrared spectroscopy (FTIR),X-ray photoelectron spectroscopy (XPS) and water contact angle demonstrated the successful preparation of HA@ε-PL/HCA coating.Three cell adhesion experiments proved that HA@ε-PL/HCA coating has excellent anti-cell adhesion ability.In vitro platelet adhesion and semi-in vivo blood circulation tests showed that HA@ε-PL/HCA coating has good anti-clotting ability.In conclusion,the HA@ε-PL/HCA coating based on the phenol-amine chemistry has potential applications in the surface modification of devices such as extracorporeal circulation catheters by providing the material with good anti-coagulation and cell adhesion inhibition functions.

Key words： phenol-amine chemistry ε-poly-L-lysine dihydrocaffeic acid hyaluronic acid anti-fouling and anti-caking

Published: 10 September 2023 Online: 2023-09-05

CLC number:

O647

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	Articles by authors
	XIE Xin
	LYU Nan
	TU Qiufen

Cite this article:

XIE Xin,LYU Nan,TU Qiufen. Construction of Antifouling Surface Based on Phenol-Amine Chemistry[J]. Materials Reports, 2023, 37(17): 22030171-6.

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http://www.mater-rep.com/EN/10.11896/cldb.22030171 OR http://www.mater-rep.com/EN/Y2023/V37/I17/22030171

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