Self-Polymerization of Dopamine in Acidic Environments without Oxygen

Langmuir : the ACS Journal of Surfaces and Colloids
Tung-Po ChenJunfeng Liang

Abstract

An alkaline environment and the presence of oxygen are essential requirements for dopamine polymerization. In this study, we are the first to demonstrate the self-polymerization of dopamine through plasma-activated water (PAW) under acidic environments (pH < 5.5). Resulting poly(dopamine) (PDA) was characterized using Nanosizer, SEM, FTIR, UV-vis, 1H NMR, and fluorescence spectrophotometers and proved to have similar physical and chemical properties to those polymerized under a basic condition, except that the PDA particles formed in PAW were more stable and hardly aggregated at varied pHs. The PAW polymerization method avoids alkaline solutions and the presence of oxygen and thus extends the applications of dopamine polymerization, particularly in biomedical and pharmaceutical sciences.

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Citations

Nov 11, 2017·Chemical Record : an Official Publication of the Chemical Society of Japan ... [et Al.]·Ziwei DengBo Peng
May 15, 2018·Chemistry, an Asian Journal·Yong-Yan ZhaoJian-Mei Lu
Jan 8, 2021·Nanomedicine·Jean Valdir Uchôa TeixeiraAna Paula Rosifni Alves Claro
May 1, 2021·Ultrasonics Sonochemistry·Hanxiao MeiJiwei Cui
Jan 1, 2021·Talanta·Jaroslava BezdekovaMarketa Vaculovicova
Dec 7, 2019·ACS Applied Materials & Interfaces·Dan-Dan ShaoShi-Peng Sun
Mar 6, 2019·Accounts of Chemical Research·Haesung A LeeHaeshin Lee
Jan 24, 2019·Langmuir : the ACS Journal of Surfaces and Colloids·Tianchi LiuJun Feng Liang
Feb 26, 2019·Langmuir : the ACS Journal of Surfaces and Colloids·Peibin ZhangHongbo Zeng
Jan 14, 2020·ACS Applied Bio Materials·Jeanne E LemasterJesse V Jokerst
Aug 25, 2020·Langmuir : the ACS Journal of Surfaces and Colloids·Nadia NaziCatherine Debiemme-Chouvy

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