Nanomanufacturing by Heterogeneous Aggregation and Magnetic Alignment of Multi-Functional Nanoparticles

通过多功能纳米颗粒的异质聚集和磁排列进行纳米制造

基本信息

  • 批准号:
    1763025
  • 负责人:
  • 金额:
    $ 43.74万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2018
  • 资助国家:
    美国
  • 起止时间:
    2018-06-01 至 2022-11-30
  • 项目状态:
    已结题

项目摘要

Multifunctional nanoparticles are of great interest because of their ability to simultaneously respond to multiple stimuli and exhibit connection between components. This award supports fundamental theoretical and experimental research on heterogeneous aggregation, or heteroaggregation, as a method for nanomanufacturing of core/satellite nanoparticles consisting of a core nanorod covered by a shell of many smaller satellite nanoparticles of a different composition. Heteroaggregation is a simple approach, based on mixing solvents with different properties to drive the assembly of pre-synthesized nanoparticles. This method is readily scalable to large volumes. Use of externally applied magnetic fields to align nanorod cores coated with magnetic satellite nanoparticles has potential applications in advanced pigments, mechanical strengthening of composite materials, and biomedical imaging. Advances in these applications impact national prosperity and security. This research enables new capabilities for nanomanufacturing by developing methods and strategies for conducting, modeling, and characterizing heteroaggregation processes and magnetic alignment that can be applied to other systems spanning a wide range of material compositions and length scales. Education and outreach activities are planned to educate students and teachers in nanoscience and nanotechnology and engage women and under-represented minority students in research and nanomanufacturing training.Nanomanufacturing of multifunctional nanoparticles remains challenging due to limitations in seeded growth and self-assembly processes. This research aims to overcome these challenges by creating a theoretical and experimental framework for heteroaggregation. Controlling the solvent conditions and the compositions, sizes, and concentrations of the core and satellite nanoparticles drives heteroaggregation in forming uniform core/satellite nanoparticles, while avoiding homoaggregation of either the core or the satellite nanoparticles. Molecular dynamics simulations are performed to predict the conditions for heteroaggregation of core/satellite nanoparticles, which comprehensively guide experiments and interpret results. For selected systems, the scalability of heteroaggregation for nanomanufacturing is investigated in both batch processes and continuous microfluidics. The understanding of magnetic alignment of core/satellite nanorods is achieved through molecular dynamics simulations and experimental verification. Dipolar interactions among magnetic satellite nanoparticles are predicted to provide torque for magnetic alignment, and it is important to establish the conditions under which sufficient torque is generated to drive magnetic alignment. Magnetic alignment imparts new properties for the heteroaggregates such as magneto-optical, polarization and microrheology, and elastic modulus for nanocomposites.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
多功能纳米粒子因其能够同时响应多种刺激并显示出组分之间的联系而引起人们的极大兴趣。该奖项支持关于异质聚集或异质聚集的基础理论和实验研究,作为纳米制造核心/卫星纳米颗粒的方法,核心/卫星纳米颗粒由一个核心纳米棒覆盖,外壳由许多不同组成的较小卫星纳米颗粒组成。异相聚集是一种简单的方法,基于混合不同性质的溶剂来驱动预先合成的纳米颗粒的组装。这种方法很容易扩展到大容量。利用外加磁场来对准包裹有磁性卫星纳米颗粒的纳米棒核心,在先进颜料、复合材料的机械强化和生物医学成像方面具有潜在的应用。这些应用的进步影响到国家的繁荣和安全。这项研究通过开发方法和策略来进行、建模和表征异质聚集过程和磁排列,从而使纳米制造具有新的能力,这些方法和策略可以应用于跨越广泛材料组成和长度尺度的其他系统。计划开展教育和宣传活动,对学生和教师进行纳米科学和纳米技术方面的教育,并让妇女和代表性不足的少数族裔学生参与研究和纳米制造培训。由于种子生长和自组装过程的限制,多功能纳米颗粒的纳米制造仍然具有挑战性。本研究旨在通过建立异质聚集的理论和实验框架来克服这些挑战。控制溶剂条件以及核心和卫星纳米粒子的组成、大小和浓度可以促进形成均匀的核心/卫星纳米粒子的异质聚集,同时避免核心或卫星纳米粒子的同质聚集。分子动力学模拟用于预测核心/卫星纳米粒子的异相聚集条件,从而全面指导实验和解释结果。对于选定的体系,在间歇过程和连续微流体中研究了用于纳米制造的异相聚集的可扩展性。通过分子动力学模拟和实验验证,实现了对核心/卫星纳米棒磁取向的理解。磁性卫星纳米粒子之间的偶极相互作用被预测为提供磁对准的扭矩,重要的是建立产生足够扭矩的条件来驱动磁对准。磁取向为异质聚集体赋予了新的性质,如磁光、偏振和微观流变学,以及纳米复合材料的弹性模数。该奖项反映了NSF的法定使命,并通过使用基金会的智力优势和更广泛的影响审查标准进行评估,被认为值得支持。

项目成果

期刊论文数量(5)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Magnetic Alignment for Plasmonic Control of Gold Nanorods Coated with Iron Oxide Nanoparticles
氧化铁纳米粒子涂覆的金纳米棒的等离激元控制的磁对准
  • DOI:
    10.1002/adma.202203366
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    29.4
  • 作者:
    Rizvi, Mehedi H.;Wang, Ruosong;Schubert, Jonas;Crumpler, William D.;Rossner, Christian;Oldenburg, Amy L.;Fery, Andreas;Tracy, Joseph B.
  • 通讯作者:
    Tracy, Joseph B.
Sulfidation and selenidation of nickel nanoparticles
  • DOI:
    10.1002/cey2.83
  • 发表时间:
    2021-08-01
  • 期刊:
  • 影响因子:
    20.5
  • 作者:
    Lynch, Brian B.;Kelliher, Andrew P.;Tracy, Joseph B.
  • 通讯作者:
    Tracy, Joseph B.
Progress in ligand design for monolayer-protected nanoparticles for nanobio interfaces
纳米生物界面单层保护纳米粒子的配体设计进展
  • DOI:
    10.1116/1.5044381
  • 发表时间:
    2018
  • 期刊:
  • 影响因子:
    2.1
  • 作者:
    Manning, Matthew D.;Kwansa, Albert L.;Oweida, Thomas;Peerless, James S.;Singh, Abhishek;Yingling, Yaroslava G.
  • 通讯作者:
    Yingling, Yaroslava G.
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Joseph Tracy其他文献

Test of a non-motor ‘sequencing’ hypothesis for the cerebellum in normals and schizophrenia
  • DOI:
    10.1016/s1053-8119(00)91007-3
  • 发表时间:
    2000-05-01
  • 期刊:
  • 影响因子:
  • 作者:
    Joseph Tracy;Scott H. Faro;Feroze B. Mohamed;Ryan Tiver;Alexander B. Pinus;Mark Pinsk;Heather Christensen;Jen Harvan
  • 通讯作者:
    Jen Harvan
Monopsony in spatial equilibrium
空间均衡中的买方垄断
  • DOI:
    10.1016/j.regsciurbeco.2023.103956
  • 发表时间:
    2024-01-01
  • 期刊:
  • 影响因子:
    2.900
  • 作者:
    Matthew E. Kahn;Joseph Tracy
  • 通讯作者:
    Joseph Tracy
Federal Reserve Bank of New York Staff Reports Using Home Maintenance and Repairs to Smooth Variable Earnings
纽约联邦储备银行工作人员报告称,利用房屋维护和修理来平滑可变收入
  • DOI:
  • 发表时间:
    2003
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Joseph Gyourko;Joseph Tracy
  • 通讯作者:
    Joseph Tracy
Juvenile delinquent mortgages: Bad credit or bad economy?
  • DOI:
    10.1016/j.jue.2008.07.008
  • 发表时间:
    2008-09-01
  • 期刊:
  • 影响因子:
  • 作者:
    Andrew Haughwout;Richard Peach;Joseph Tracy
  • 通讯作者:
    Joseph Tracy
Subprime Mortgage Pricing: The Impact of Race, Ethnicity, and Gender on the Cost of Borrowing
次级抵押贷款定价:种族、民族和性别对借贷成本的影响
  • DOI:
  • 发表时间:
    2009
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Andrew Haughwout;Christopher Mayer;Joseph Tracy
  • 通讯作者:
    Joseph Tracy

Joseph Tracy的其他文献

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{{ truncateString('Joseph Tracy', 18)}}的其他基金

IRES Track 1: Soft Matter Research Experience for North Carolina Graduate Students in Dresden
IRES 轨道 1:北卡罗来纳州研究生在德累斯顿的软物质研究体验
  • 批准号:
    2246371
  • 财政年份:
    2023
  • 资助金额:
    $ 43.74万
  • 项目类别:
    Standard Grant
PFI-TT: Three-Dimensional Printing and Magnetic Assembly for Minimally Invasive Cardiac Surgery
PFI-TT:用于微创心脏手术的三维打印和磁性组装
  • 批准号:
    2141188
  • 财政年份:
    2022
  • 资助金额:
    $ 43.74万
  • 项目类别:
    Standard Grant
Collaborative Research: Tools for Noninvasive Nano-Optical Imaging of the Role of Extracellular Matrix in Pre-Malignant Breast Cancer
合作研究:细胞外基质在癌前乳腺癌中作用的无创纳米光学成像工具
  • 批准号:
    1803785
  • 财政年份:
    2018
  • 资助金额:
    $ 43.74万
  • 项目类别:
    Standard Grant
Collaborative Research: Processing and Performance of Chained Magnetic Particle Composites for Soft Robotics
合作研究:用于软机器人的链状磁性颗粒复合材料的加工和性能
  • 批准号:
    1663416
  • 财政年份:
    2017
  • 资助金额:
    $ 43.74万
  • 项目类别:
    Standard Grant
Collaborative Research: Understanding and Controlling Chemo-Mechanical Properties of Metal Coordinating Polymer and Inorganic Nanoparticle Composites
合作研究:了解和控制金属配位聚合物和无机纳米颗粒复合材料的化学机械性能
  • 批准号:
    1605699
  • 财政年份:
    2016
  • 资助金额:
    $ 43.74万
  • 项目类别:
    Standard Grant
CAREER: Magnetic Field-Driven Self-Assembly of Magnetic and Multifunctional Nanochains in Bulk Matrices
职业:块体基质中磁性和多功能纳米链的磁场驱动自组装
  • 批准号:
    1056653
  • 财政年份:
    2011
  • 资助金额:
    $ 43.74万
  • 项目类别:
    Continuing Grant
Collaborative Research on Applying Strategic Bargaining Models in Union Contract Negotiations
战略谈判模型在工会合同谈判中应用的协同研究
  • 批准号:
    9423113
  • 财政年份:
    1995
  • 资助金额:
    $ 43.74万
  • 项目类别:
    Continuing Grant
Strikes and Delays in Wage Bargaining: Theory and Data
工资谈判中的罢工和延误:理论和数据
  • 批准号:
    8921625
  • 财政年份:
    1990
  • 资助金额:
    $ 43.74万
  • 项目类别:
    Continuing Grant
Comparisons Between Public and Private Sector Union Wage Differentials: Does the Legal Environment Matter
公共部门和私营部门工会工资差异的比较:法律环境重要吗
  • 批准号:
    8720985
  • 财政年份:
    1988
  • 资助金额:
    $ 43.74万
  • 项目类别:
    Standard Grant
Local Public Sector Wages, the Local Fiscal Environment, andTheir Effects on Land Values
地方公共部门工资、地方财政环境及其对土地价值的影响
  • 批准号:
    8711391
  • 财政年份:
    1987
  • 资助金额:
    $ 43.74万
  • 项目类别:
    Standard Grant

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Conference: Artificial Intelligence for Multidisciplinary Exploration and Discovery (AIMED) in Heterogeneous Catalysis: A Workshop
会议:多相催化中的多学科探索和发现人工智能(AIMED):研讨会
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    2409631
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    EP/Y029291/1
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    2024
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Risk Factor Analysis and Dynamic Response for Epidemics in Heterogeneous Populations
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Mitigating the Influence of Social Bots in Heterogeneous Social Networks
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