RUI: Time-Dependent Electroosmotic Flow Studies in Coated Capillaries

惠蒂尔学院的金伯利·施鲁姆教授得到了分析和表面化学项目的芮资助，重点研究电渗透流（EOF）。目的是提高对熔融二氧化硅毛细管EOF的认识，评价和表征新型涂层材料，研究聚电解质多层膜表面形貌与EOF之间的关系。光漂白带迁移（PBZM）将用于达到目标。通过开发用于流量测量的中性标记染料的“调色板”，将改进PBZM测量仪器。该活动的第二阶段将使预测溶剂/溶质发生变化时EOF的变化成为可能。该小组还将研究涂层工艺的快速评估，并研究聚电解质多层体系中表面形貌与EOF之间的关系。提议的活动代表了分离科学，纳米技术和材料科学领域的基础贡献，也为本科生提供了一个独特的跨学科机会。许多新兴的小型化技术都依赖于EOF。此外，活动的结果将对生物医学研究界有用。

Professor Kimberly Schrum of Whittier College is supported by the Analytical and Surface Chemistry Program with a RUI grant focused on electroosmotic flow (EOF). The goals are to improve the understanding of EOF in fused silica capillaries, evaluate and characterize new coating materials, and study the relationship between surface morphology and EOF for polyelectrolyte multilayers. Photobleaching zone migration (PBZM) will be used to reach the objectives. An instrument for PBZM measurements will be improved by developing a 'palette' of neutral marker dyes for flow measurements. The second phase of the activity will enable predictions of changes in EOF as solvent/solute changes take place. The group will also study rapid assessment of coating processes and examine the relationship between surface morphology and EOF in polyelectrolyte multilayer systems.The proposed activity represents a fundamental contribution to the fields of separation science, nanotechnology and materials science and also provides undergraduate students with a unique interdisciplinary opportunity. EOF is relied on in many of the emerging miniaturization technologies. In addition, the results of the activity will be of use to the biomedical research community.