Nanoscale Electrochemistry, Spectroscopy and Microscopy for Materials and Biomaterials

材料和生物材料的纳米电化学、光谱学和显微镜学

基本信息

  • 批准号:
    RGPIN-2018-06556
  • 负责人:
  • 金额:
    $ 3.5万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Discovery Grants Program - Individual
  • 财政年份:
    2019
  • 资助国家:
    加拿大
  • 起止时间:
    2019-01-01 至 2020-12-31
  • 项目状态:
    已结题

项目摘要

This research on nanoscale electrochemistry, spectroscopy and microscopy of materials and biomaterials will utilize our research tools and experiences established over 15 years of research in our laboratory at Western. World class research will be carried out on electrochemiluminescence (ECL) of graphene and phosphorene quantum dots (GQDs and PQDs), scanning electrochemical microscopy (SECM), and solar cell devices. Three new research fields with great application potentials will be:*** 1. ECL, which is the process in which electrogenerated radicals form excited species emitting light without the need for an external light source. Reports on ECL for immunoassays are solely based on [Ru(bpy)3]2+ (RuBpy) as in Roche's product lines. We have discovered that GQDs and PQDs give off bright luminescence upon illumination. The novel ECL protocols with the QDs are similar to the RuBpy one, but are low cost, easy to fabricate. *** 2. Nanoscale SECM of single live cells. SECM will be used to measure and image reactive oxygen species (ROS), dopamine and membrane permeability through an ultramicroelectrode (UME) (an electrode with a diameter of a few nm to 25 ?m) when it is held or moved in a solution in the vicinity of a single live cell. Specifically, single human bladder cells (T24) and rat neuron cells (PC12) will be used as model cells in our research to investigate heavy metal ion effects on T24 membrane permeability and neuron transmitter dopamine on PC12 permeability. While we have been successful in our research with 5 ?m diameter electrode, permeability and ROS concentration mapping gives only average values over a large surface area due to relative probe to sample. We intend to make 50 nm diameter probes. The nano probe will approach the substrate more closely and therefore enhance the sensitivity and resolution. Almost all cell lines can be investigated using this improved nanoelectrode. Clinic applications and practical devices are anticipated. *** 3. Among all alternative energy sources, solar energy is clean and the most promising. The sun-light impacting the earth has the capacity to match our total world oil reserve of ~3 trillion barrels with 1.5 days of irradiation. However, the solar approach currently supplies only 0.015% of our electricity globally. The part of the discovery grant proposal aims at enhancing the efficiency of low-cost, light-weight thin film Cu2ZnSnS4 (CZTS) solar cells. We have patented a CZTS nanocrystal preparation method for solar cells, and accumulated rich experience on solar cell fabrication procedures along with their tools such as atomic layer deposition. More than 12% efficiency is anticipated.*** All of these research activities will provide excellent opportunities for high quality personnel training, including undergraduate and graduate students.*** This research will contribute positively to population health, daily life, energy resources and environment in Canada.
这项关于纳米级电化学、光谱学、材料和生物材料显微学的研究将利用我们在西部大学实验室15年来建立的研究工具和经验。将在石墨烯和磷烯量子点(GQDs和PQDs)的电化学发光(ECL),扫描电化学显微镜(SECM)和太阳能电池器件方面进行世界级的研究。3个极具应用潜力的新研究领域将是:*** 1。ECL,这是在不需要外部光源的情况下,由电产生的自由基形成激发物质发光的过程。免疫测定的ECL报告完全基于罗氏产品线中的[Ru(bpy)3]2+ (RuBpy)。我们发现GQDs和PQDs在光照下会发出明亮的发光。具有量子点的新型ECL协议与RuBpy协议相似,但成本低,易于制造。* * * 2。单个活细胞的纳米级SECM。SECM将用于测量和成像活性氧(ROS),多巴胺和膜通过超微电极(UME)(直径为几纳米到25 ?M)在单个活细胞附近的溶液中保持或移动。具体而言,我们将以单个人膀胱细胞(T24)和大鼠神经元细胞(PC12)为模型细胞,研究重金属离子对T24膜通透性的影响以及神经元递质多巴胺对PC12通透性的影响。虽然我们在5 ?由于探针与样品的相对关系,m直径电极,渗透率和ROS浓度映射仅给出大表面积上的平均值。我们打算制造直径50纳米的探针。纳米探针将更接近衬底,从而提高灵敏度和分辨率。几乎所有的细胞系都可以使用这种改进的纳米电极进行研究。期待临床应用和实用设备。* * * 3。在所有的替代能源中,太阳能是清洁的,也是最有前途的。照射到地球上的太阳光,在1.5天的照射下,相当于我们全世界3万亿桶石油的总储量。然而,太阳能目前只提供全球0.015%的电力。发现拨款提案的一部分旨在提高低成本,轻质薄膜Cu2ZnSnS4 (CZTS)太阳能电池的效率。我们已经获得了一项用于太阳能电池的CZTS纳米晶制备方法的专利,并积累了丰富的太阳能电池制造工艺和原子层沉积等工具的经验。预计效率将超过12%。***所有这些研究活动将为培养包括本科生和研究生在内的高素质人才提供极好的机会。***本研究将对加拿大人口健康、日常生活、能源资源和环境做出积极贡献。

项目成果

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Ding, Zhifeng其他文献

Patterns of bird functional diversity on land-bridge island fragments
陆桥岛屿碎片上鸟类功能多样性的模式
  • DOI:
    10.1111/1365-2656.12046
  • 发表时间:
    2013-07-01
  • 期刊:
  • 影响因子:
    4.8
  • 作者:
    Ding, Zhifeng;Feeley, Kenneth J.;Ding, Ping
  • 通讯作者:
    Ding, Ping
Identifying Highly Photoelectrochemical Active Sites of Two Au21 Nanocluster Isomers toward Bright Near-Infrared Electrochemiluminescence
Tracking Live-Cell Response to Hexavalent Chromium Toxicity by using Scanning Electrochemical Microscopy
  • DOI:
    10.1002/celc.201600783
  • 发表时间:
    2017-04-01
  • 期刊:
  • 影响因子:
    4
  • 作者:
    Henderson, Jeffrey D.;Filice, Fraser P.;Ding, Zhifeng
  • 通讯作者:
    Ding, Zhifeng
Birds in the Himalayas: What drives beta diversity patterns along an elevational gradient?
  • DOI:
    10.1002/ece3.4622
  • 发表时间:
    2018-12-01
  • 期刊:
  • 影响因子:
    2.6
  • 作者:
    Hu, Yiming;Ding, Zhifeng;Gibson, Luke
  • 通讯作者:
    Gibson, Luke
Different responses of avian feeding guilds to spatial and environmental factors across an elevation gradient in the central Himalaya
喜马拉雅中部海拔梯度上鸟类饲养协会对空间和环境因素的不同反应
  • DOI:
    10.1002/ece3.5040
  • 发表时间:
    2019-04-01
  • 期刊:
  • 影响因子:
    2.6
  • 作者:
    Ding, Zhifeng;Liang, Jianchao;Si, Xingfeng
  • 通讯作者:
    Si, Xingfeng

Ding, Zhifeng的其他文献

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{{ truncateString('Ding, Zhifeng', 18)}}的其他基金

Nanoscale Electrochemistry, Spectroscopy and Microscopy for Materials and Biomaterials
材料和生物材料的纳米电化学、光谱学和显微镜学
  • 批准号:
    RGPIN-2018-06556
  • 财政年份:
    2022
  • 资助金额:
    $ 3.5万
  • 项目类别:
    Discovery Grants Program - Individual
Nanoscale Electrochemistry, Spectroscopy and Microscopy for Materials and Biomaterials
材料和生物材料的纳米电化学、光谱学和显微镜学
  • 批准号:
    RGPIN-2018-06556
  • 财政年份:
    2021
  • 资助金额:
    $ 3.5万
  • 项目类别:
    Discovery Grants Program - Individual
Nanoscale Electrochemistry, Spectroscopy and Microscopy for Materials and Biomaterials
材料和生物材料的纳米电化学、光谱学和显微镜学
  • 批准号:
    RGPIN-2018-06556
  • 财政年份:
    2020
  • 资助金额:
    $ 3.5万
  • 项目类别:
    Discovery Grants Program - Individual
Efficient and low-cost light-emitting electrochemical cells of graphene quantum dots
高效低成本石墨烯量子点发光电化学电池
  • 批准号:
    493924-2016
  • 财政年份:
    2018
  • 资助金额:
    $ 3.5万
  • 项目类别:
    Strategic Projects - Group
Nanoscale Electrochemistry, Spectroscopy and Microscopy for Materials and Biomaterials
材料和生物材料的纳米电化学、光谱学和显微镜学
  • 批准号:
    RGPIN-2018-06556
  • 财政年份:
    2018
  • 资助金额:
    $ 3.5万
  • 项目类别:
    Discovery Grants Program - Individual
Efficient and low-cost light-emitting electrochemical cells of graphene quantum dots
高效低成本石墨烯量子点发光电化学电池
  • 批准号:
    493924-2016
  • 财政年份:
    2017
  • 资助金额:
    $ 3.5万
  • 项目类别:
    Strategic Projects - Group
Electrochemistry, Spectroscopy and Microscopy for Interdisciplinary Research
用于跨学科研究的电化学、光谱学和显微镜
  • 批准号:
    261697-2013
  • 财政年份:
    2017
  • 资助金额:
    $ 3.5万
  • 项目类别:
    Discovery Grants Program - Individual
Electrochemistry, Spectroscopy and Microscopy for Interdisciplinary Research
用于跨学科研究的电化学、光谱学和显微镜
  • 批准号:
    261697-2013
  • 财政年份:
    2016
  • 资助金额:
    $ 3.5万
  • 项目类别:
    Discovery Grants Program - Individual
Electrochemistry, Spectroscopy and Microscopy for Interdisciplinary Research
用于跨学科研究的电化学、光谱学和显微镜
  • 批准号:
    261697-2013
  • 财政年份:
    2015
  • 资助金额:
    $ 3.5万
  • 项目类别:
    Discovery Grants Program - Individual
Electrochemistry, Spectroscopy and Microscopy for Interdisciplinary Research
用于跨学科研究的电化学、光谱学和显微镜
  • 批准号:
    261697-2013
  • 财政年份:
    2014
  • 资助金额:
    $ 3.5万
  • 项目类别:
    Discovery Grants Program - Individual

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Nanoscale Electrochemistry, Spectroscopy and Microscopy for Materials and Biomaterials
材料和生物材料的纳米电化学、光谱学和显微镜学
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