SusChEM: Collaborative Research: Identification of the critical length scales and chemistries responsible for the anti-fouling properties of heterogeneous surfaces

SusChEM:合作研究:确定负责异质表面防污性能的临界长度尺度和化学成分

基本信息

  • 批准号:
    2023847
  • 负责人:
  • 金额:
    $ 13.26万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2019
  • 资助国家:
    美国
  • 起止时间:
    2019-09-01 至 2020-10-31
  • 项目状态:
    已结题

项目摘要

In this project funded by the Environmental Chemical Sciences Program in the Chemistry Division at the National Science Foundation, Professors Meagan S. Mauter of Carnegie Mellon University and Ayse Asatekin of Tufts University characterize the fundamental mechanisms of foulant adhesion to surfaces with self-assembled chemical heterogeneity. This research leads to a novel class of fouling resistant surfaces that enable energy savings and the use of membrane desalination in highly fouling environments, such as wastewater reclamation. The fundamental insights also inform approaches to fouling prevention in biomedical and marine applications. This work involves polymer synthesis, colloidal force and deposition experiments, and modeling to evaluate the relative importance of domain size, domain hydrophobicity/hydrophilicity contrast, and domain chemistry in determining foulant adsorption. A library of copolymer films with surface heterogeneity on the length scale of 1 to 10 nm are synthesized and characterized. The material properties are used to model the attachment efficiency of colloids to these heterogeneous surfaces using three models of increasing complexity. These models are validated using colloidal force microscopy and mass-based deposition measurements using a quartz crystal microbalance with dissipation monitoring. Finally, this project explores the role of nanopatterning on colloidal release as a function of shear velocity. Two graduate and several undergraduate students involved in this research gain interdisciplinary knowledge and skills, and disseminate their work through publications and presentations. Both Professors Meagan S. Mauter and Ayse Asatekin are active advocates of broadening the participation of women in STEM fields, and incorporate this research into their teaching, which covers classes on environmental policy, polymer science, and separations.
在这个由美国国家科学基金会化学部环境化学科学计划资助的项目中,卡内基梅隆大学的Mauter和塔夫茨大学的艾塞Asatekin描述了污垢粘附到具有自组装化学异质性的表面的基本机制。 这项研究导致了一类新的防污表面,使能源节约和膜脱盐在高度污染的环境中使用,如废水回收。这些基本见解还为生物医学和海洋应用中的防污方法提供了信息。这项工作涉及聚合物的合成,胶体力和沉积实验,和建模,以评估域的大小,域的疏水性/亲水性对比度,和域化学在确定污垢吸附的相对重要性。 合成了长度为1 ~ 10 nm的表面异质性共聚物薄膜库,并进行了表征。 的材料特性被用来模拟胶体的附着效率,这些异质表面使用三个模型的复杂性不断增加。 这些模型进行了验证,使用胶体力显微镜和质量为基础的沉积测量,使用石英晶体微天平与耗散监测。最后,这个项目探讨了纳米图案化对胶体释放的作用,作为剪切速度的函数。 参与这项研究的两名研究生和几名本科生获得了跨学科的知识和技能,并通过出版物和演讲传播他们的工作。Meagan S. Mauter和艾塞Asatekin积极倡导扩大妇女在STEM领域的参与,并将这项研究纳入他们的教学,其中包括环境政策,聚合物科学和分离课程。

项目成果

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Meagan Mauter其他文献

Meagan Mauter的其他文献

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{{ truncateString('Meagan Mauter', 18)}}的其他基金

Collaborative Research: Magnetically Assisted Self-Assembly for Facile 2D Membrane Protein Crystallization
合作研究:磁力辅助自组装轻松实现二维膜蛋白结晶
  • 批准号:
    2023833
  • 财政年份:
    2019
  • 资助金额:
    $ 13.26万
  • 项目类别:
    Continuing Grant
CAREER: INTEGRATED WATER, ENERGY, AND EMISSIONS DECISION MAKING FOR A LOW CARBON FUTURE WITH COAL-FIRED POWER PLANTS
职业:通过燃煤电厂实现水资源、能源和排放的综合决策,实现低碳未来
  • 批准号:
    2023841
  • 财政年份:
    2019
  • 资助金额:
    $ 13.26万
  • 项目类别:
    Standard Grant
Collaborative Research: INFEWS: N/P/H2O: Remote and autonomous sensing for managing the economic and environmental consequences of salinity-impacted agricultural waterways
合作研究:INFEWS:N/P/H2O:用于管理受盐度影响的农业水道的经济和环境后果的远程和自主传感
  • 批准号:
    2024004
  • 财政年份:
    2019
  • 资助金额:
    $ 13.26万
  • 项目类别:
    Standard Grant
Collaborative Research: Magnetically Assisted Self-Assembly for Facile 2D Membrane Protein Crystallization
合作研究:磁力辅助自组装轻松实现二维膜蛋白结晶
  • 批准号:
    1710143
  • 财政年份:
    2017
  • 资助金额:
    $ 13.26万
  • 项目类别:
    Continuing Grant
CAREER: INTEGRATED WATER, ENERGY, AND EMISSIONS DECISION MAKING FOR A LOW CARBON FUTURE WITH COAL-FIRED POWER PLANTS
职业:通过燃煤电厂实现水资源、能源和排放的综合决策,实现低碳未来
  • 批准号:
    1554117
  • 财政年份:
    2016
  • 资助金额:
    $ 13.26万
  • 项目类别:
    Standard Grant
Collaborative Research: INFEWS: N/P/H2O: Remote and autonomous sensing for managing the economic and environmental consequences of salinity-impacted agricultural waterways
合作研究:INFEWS:N/P/H2O:用于管理受盐度影响的农业水道的经济和环境后果的远程和自主传感
  • 批准号:
    1604853
  • 财政年份:
    2016
  • 资助金额:
    $ 13.26万
  • 项目类别:
    Standard Grant
SusChEM: Collaborative Research: Identification of the critical length scales and chemistries responsible for the anti-fouling properties of heterogeneous surfaces
SusChEM:合作研究:确定负责异质表面防污性能的临界长度尺度和化学成分
  • 批准号:
    1507850
  • 财政年份:
    2015
  • 资助金额:
    $ 13.26万
  • 项目类别:
    Standard Grant
Pseudocapacitive and Intercalation Compounds for Water Desalination: Surface Chemistry, Electrode Structure and Foulant Tolerance
用于海水淡化的赝电容和插层化合物:表面化学、电极结构和耐污性
  • 批准号:
    1403826
  • 财政年份:
    2014
  • 资助金额:
    $ 13.26万
  • 项目类别:
    Continuing Grant
SEES Fellows: Enabling Energy Efficiency through Integrated Utilities - Technical and Social Challenges to Forward Osmosis Microbial Bioreactors
SEES 研究员:通过综合公用事业提高能源效率 - 推进渗透微生物生物反应器的技术和社会挑战
  • 批准号:
    1215845
  • 财政年份:
    2012
  • 资助金额:
    $ 13.26万
  • 项目类别:
    Standard Grant

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  • 批准号:
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  • 批准号:
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    $ 13.26万
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SusChEM: Collaborative Research: Efficient biological activation and conversion of short-chain hydrocarbons
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  • 批准号:
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  • 财政年份:
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  • 资助金额:
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Collaborative Research: SusChEM: Engineering the thermotolerant yeast Kluyveromyces marxianus for the synthesis of biobased chemicals
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    1703504
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    1705444
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  • 资助金额:
    $ 13.26万
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