Collaborative Research: Forests of Magnetic Nanofibers for Liquid Transport and Manipulation

合作研究：用于液体运输和操纵的磁性纳米纤维森林

• 批准号: 0825773
• 负责人: Igor Luzinov
• 金额: $ 23.6万
• 依托单位: Clemson University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2008
• 资助国家: 美国
• 起止时间: 2008-08-15 至 2012-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0825773&HistoricalAwards=false
• 关键词: Collaborative; Research; Forests; Magnetic; Nanofibers

This particular project is aimed at the development of novel manufacturing techniques for fabrication and surface functionalization of arrays/forests of high-aspect-ratio composite magnetic nanofibers (nanowires) with variable (optimized) density. These materials promise numerous micro and nanofluidic applications involving the transport of liquids, suspensions and particles, microfluidic agitation and mixing, alternation of wetting and adhesion. As a strategic goal of this proposal we envision the assembling of hybrid magnetic nanofibers into ordered nanostructures by combination of: (a) Template method for nanofiber fabrication, (b) Colloidal lithography for regulation of nanofiber density in the forest, and (c) Surface functionalization of nanofibers to achieve controlled interactions with the surrounding environment. The uniqueness of the materials to be developed is revealed in that the nanofibers should have a core-sheath morphology with a flexible magnetic metallic core and an organic sheath, and also in that the density of the nanofibers in the arrays is optimized. Development of the proposed approach will directly impact the implementation of recent advances in nanoscience and nanotechnology to industrial technologies with broad applications, including analytical chemistry, medicine, bionanotechnology, optics. Another priority of the proposed project is the involvement of the brightest high school, undergraduate and graduate students in modern nanotechnology oriented research. The project will result in the training of these students in the areas of nanofabrication and various micro- and nanoelectromechanical systems, and surface science. Students will greatly benefit from the interdisciplinary nature of this project. Significant effort will be directed toward increasing the numbers of students--especially minorities and women--who are pursuing advanced degrees in science and engineering.

这个特别的项目旨在开发新的制造技术，用于制造和表面功能化具有可变（优化）密度的高纵横比复合磁性纳米纤维（纳米线）的阵列/森林。这些材料承诺了许多微流体和纳米流体应用，涉及液体，悬浮液和颗粒的运输，微流体搅拌和混合，润湿和粘附的交替。 作为该提案的战略目标，我们设想通过以下组合将混合磁性纳米纤维组装成有序纳米结构：（a）模板法用于纳米纤维制造，（B）用于调节森林中纳米纤维密度的胶体光刻，以及（c）纳米纤维的表面功能化以实现与周围环境的受控相互作用。 待开发的材料的独特性揭示在纳米纤维应该具有芯鞘形态与柔性磁性金属芯和有机鞘，并且还在阵列中的纳米纤维的密度被优化。所提出的方法的发展将直接影响纳米科学和纳米技术的最新进展的实施，以工业技术具有广泛的应用，包括分析化学，医学，生物纳米技术，光学。拟议项目的另一个优先事项是让最聪明的高中生、本科生和研究生参与现代纳米技术导向的研究。该项目将导致这些学生在纳米纤维和各种微和纳米机电系统，表面科学领域的培训。学生将从这个项目的跨学科性质中受益匪浅。将作出重大努力，增加攻读科学和工程高级学位的学生人数，特别是少数民族和妇女。