Highly Efficient Removal of Methylene Blue Dye from an Aqueous Solution Using Cellulose Acetate Nanofibrous Membranes Modified by Polydopamine oleh Jiaqi Cheng, Conghua Zhan, Jiahui Wu, Zhixiang Cui, Junhui Si, Qianting Wang, Xiangfang Peng, Lih-Sheng Turng