科研项目：
1.浙江省自然科学基金项目“梯度电荷驱动的纳米纤维化胶原纤维膜对纳米塑料的捕获机制研究”，项目编号：LQN26B040007，主持。
2.皮革化学与工程教育部重点实验室（四川大学）开放课题“胶原纤维膜吸附材料的结构调控及纳米塑料捕获性能”，项目编号：SCU2025D014，主持。
代表性成果：
论文：
1.Li Yang, Ding Xiaoliang, Li Shanshan, Qu Xuewei, Zhou Jianhang, Deng Lun, Ma Hewei, Li Qijun,Yi Yudan*. Capturing nanoplastics through a collagen fibrous membrane with hierarchical functional surfaces[J].Journal of Hazardous Materials, 2026, 512: 142379.
2.Yi Yudan, Li Qijun, Qi Tao, Li Xinjian, Luo Jianxun, Hong Xinqui, Qin Gang*, Wang Ya-nan*. Tuning aggregation behavior of silicone-containing cationic amphiphilic copolymers for integrated retanning and fatliquoring of metal-free leather.ACS Applied Polymer Materials, 2026, 8: 6830–6842.
3.Ding Xiaoliang, Su Kaiwen, Li Yi, Yan Yejun, Chen Huanghuang, Hu Zhijun,Yi Yudan*. High-value conversion of leather waste: An enhanced protein-based retarder for gypsum construction[J].Journal of Building Engineering, 2026, 118: 115085.
4.Li Qijun,Yi Yudan*, Li Haoyue, Shi Bi, Wang Ya-nan*. Mitigating aggregation near isoelectric point in amphoteric acrylic polymers for high-performance chrome-free leather retanning[J].Reactive and Functional Polymers, 2026, 221: 106639.
5.Yi Yudan, Zhang Caidan, Li Qijun, Fan Xinxin, Wang Ya-nan*. Formation of formaldehyde in dialdehyde polysaccharides tanning agent: Effect of polysaccharide structural characteristic[J].International Journal of Biological Macromolecules, 2025, 327: 147499.
6.YiYudan, Sun Qingyong, Li Qijun, Shi Bi, Wang Ya-nan*. Cationic amphiphilic acrylic copolymer retanning agent for metal-free eco-leather production[J].Progress in Organic Coatings, 2024, 187: 108109.
7.Yi Yudan, Li Qijun, Sun Qingyong, Wang Ya-nan*, Shi Bi*. Aggregation behavior of cationic amphiphilic polymers and their application in metal-free leather retanning[J].Polymer, 2024, 295: 126738.
8.Yi Yudan, Fan Xinxin, Li Qijun, Wang Ya-nan*. Amphiphilic block and random copolymers: aggregation and hydrophobic modification on metal-free tanned collagen fibers[J].Collagen and Leather, 2024, 6(1): 20.
9.YiYudan, Zhang Yi, Mansel Bradley, Wang Ya-nan*, Prabakar Sujay*, Shi Bi. Effect of dialdehyde carboxymethyl cellulose cross-linking on the porous structure of the collagen matrix[J].Biomacromolecules, 2022, 23(4): 1723–1732.
10.YiYudan, Jiang Zhicheng, Yang Shangjuan, Ding Wei, Wang Ya-nan*, Shi Bi. Formaldehyde formation during the preparation of dialdehyde carboxymethyl cellulose tanning agent[J].Carbohydrate Polymers, 2020, 4, 116217.
专利：
1.易玉丹，李阳，瞿学玮，李珊珊，周建航，邓伦，徐智睿.一种梯度电荷胶原纤维膜材料及其制备方法[P].中国.公开号：CN120532306A, 2025-08-26.
2.王亚楠，易玉丹，石碧，李奇军，孙青永.阳离子丙烯酸树脂复鞣剂及其制备方法[P].中国.专利号：ZL202310461113.0, 2023-10-10.
3.王亚楠，易玉丹，曾运航，余跃，李奇军，石碧.用于干燥板结皮革文物的保护剂及其制备方法[P].中国.公开号: CN117946347A, 2024-04-30.