1. 毕业设计（论文）的内容和要求

查阅相关文献了解目前刺激响应性膜尤其是刺激响应性氧化石墨烯复合膜的研究现状，了解此课题相关背景，了解刺激响应性膜的相关应用，已有成果以及存在的问题，对论文的研究方向有较深入的认识。

熟悉并理解zeta potential的原理以及使用方法。

培养学生独立思考及动手做实验的能力，养成良好的科研习惯，学会查找和阅读相关文献。

2. 参考文献

(1) Liang Chen,Guosheng Shi,Jie Shen,Ion sieving in graphene oxide membranes via cationic control of interlayer spacing,Nature.550(2017),380-383. (2) Liangliang Dong,Weizheng Fan,Hongji Zhang,Mingqing Chen,Yue Zhao, CO2-Responsive polymer membrane with gas-tunable pore size,Chem.Commun,2017,53,9574. (3) Yu Sun, Junhui Zhou,Qiang Cheng,Liandong Deng,Fabrication of mPEGylated graphene oxide/poly(2-dimethylaminoethyl methacrylate)nanohybrids and their primary application for small interfering RNA delivery,J.Appl.Polym.Sci,2016,133,43303. (4) Tingting Gao,Qian Ye,Xiaowei Pei,Yanqiu Xia,Feng Zhou,Grafting Polymer Brushes on Graphene Oxide for Controlling Surface Charge States and Templated Synthesis of Metal Nanoparticles,J.Appl.Polym.Sci,2013,127,3074-3083. (5) Jianquan Wang,Danqiao Song,Shanshan Jia,Ziqiang Shao,Poly(N,N-dimethylaminoethyl methacrylate)/graphene oxide hybrid hydrogels:pH and temperature sensitivities and Cr(VI)adsorption,ReactiveFunctional Polymers,81(2014)8-13. (6) Bing Yu,Weizheng Fan,Yue Zhao.Gelation of Triblock Copolymers in Aqueous Solution through CO2-Triggred Electrostatic Interaction,Macromol.Chem.phys.2017,218,1700146. (7) Zhuang Liu,Joshua T.Robinson,Xiaoming Sun, and Hongjie Dai,PEGylated Nanographene Oxide for Delivery of Water-Insoluble Cancer,JACS,2008,130,10876-10877. (8) Xinchao Yang,Nana Zhao and Fu-Jian Xu,Biocleavable graphene oxide based-nanohybrids synthesized via ATRP for gene/drug delivery,Nanoscale,2014,6,6141-6150. (9) Yang Wu,Xiaowei Pei,Xiaolong Wang,Yongmin Liang,Weimin Liu and Feng Zhou,Biomimicking lubrication superior to fish skin using responsive hydrogels,NPG Asia Materials 6 e136(2014). (10) Jing Chen,Peng Xiao,Jincui Gu,Youju Huang,Tao Chen,Au nanoparticle-loaded PDMAEMA brush grafted graphene oxide hybrid systems for thermally smart catalysis,RCS Adv.2014,4,44480-44485.

3. 毕业设计（论文）进程安排

2018.1.25~2018.2.15: 查阅文献。

查阅国内外文献，确定实验方法和实验条件，并按文献进行摸索性的尝试； 2018.2.16~2015.3-15:通过调节GO/PDMAEMA的比例以及混合溶液的PH值以，实现鼓入CO2/N2时Zeta电位正负之间的可逆变化；2018.3.16~2018.4.15:抽滤制备纳滤膜，使用错流过滤的方法测试膜的通量以及截留，尤其是对阳离子的高截留； 2018.4.16~2018.5.13：对所制备的纳滤膜进行SEM形貌表征以及相关表征测试；2018.5.14~2018.6.10：回国之后对所得的表征结果进行分析，完成毕业设计的相关内容。