Spherical Magnetic Fe-Alginate Microgels Fabricated by Droplet-Microfluidics Combining with an External Crosslinking Approach and the Study of Their pH Dependent Fe^(3+) Release Behaviors  

作　　者：Jie Chen Run-Yu Yu ai-Qi Wang Zhe-Yu Zhang Arezoo Ardekani Yuan-Du Hu 

机构地区：[1]Department of Materials Science and Engineering,School of Physics Science and Engineering,Beijing Jiaotong University,Beijing,100044,China [2]Guangdong Provincial Key Laboratory of Technique and Equipment for Macromolecular Advanced Manufacturing,South China University of Technology,Guangzhou,510641,China [3]State Key Laboratory of Molecular Engineering of Polymers,Fudan University,Shanghai,200438,China [4]Department of Mathematics,School of Mechanical Engineering,Purdue University,585 Purdue Mall,West Lafayette,IN,47907-2088,USA

出　　处：《Chinese Journal of Polymer Science》2025年第2期289-302,共14页高分子科学(英文版)

基　　金：financially supported by the Fundamental Research Funds for the Central Universities(No.KVJBMC23001536);Guangdong Provincial Key Laboratory of Technique and Equipment for Macromolecular Advanced Manufacturing(No.20240518);the State Key Laboratory of Molecular Engineering of Polymers(Fudan University)(No.K2024-15);the Central Universities support from Beijing Jiaotong University(No.KVYJS24011536);the National Natural Science Foundation of China(No.62175012).

摘　　要：Due to the rapid development and potential applications of iron(Ⅲ)-alginate(Fe-Alg)microgels in biomedical as well as environmental engineering,this study explores the preparation and characterization of spherical Fe-Alg microgels using droplet microfluidics combined with an external ionic crosslinking method.This study focused on the role of Fe^(3+)and examined its effects on the physical/chemical properties of microgels under different ionic conditions and reduced or oxidized states.The pH-dependent release behavior of Fe^(3+)from these microgels demonstrates their potential biomedical and environmental applications.Furthermore,the microgels can exhibit magnetism simply by utilizing in situ oxidation,which can be further used for targeted drug delivery and magnetic separation technologies.

关 键 词：Fe-alginate microgels Droplet microfluidics In situ oxidation MAGNETISM 

分 类 号：TG1[金属学及工艺—金属学]