Next-Generation Point-of-Care System: Custom Integration of Confocal Raman Spectrometer and High-Sensitivity NanoPhotonic-MicroFluidic Devices
下一代护理点系统:共焦拉曼光谱仪和高灵敏度纳米光子微流体设备的定制集成
基本信息
- 批准号:RTI-2020-00629
- 负责人:
- 金额:$ 10.93万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Research Tools and Instruments
- 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
- 来源:
- 关键词:
项目摘要
In spite of enormous advances in sensing technology, we still lack the ability to provide rapid identification and accurate quantification of infectious organisms and biomarkers (harbingers of various ailments) at the first point-of-care' which otherwise would serve to markedly improve and expedite early-stage diagnosis of diseases and enable close monitoring of the efficiency of prescribed treatments.******Of the many optical-photonic sensing methods, surface enhanced Raman spectroscopy (SERS) provides high specificity by revealing compositional and structural makeup of species through vibrational fingerprinting of constituent molecules. A manifold of SERS substrates, wherein predominantly metal nanoparticles are used to confine light within nanoscale interstices, have been developed to increase the SERS efficiency. However, these platforms are limited due to inherent randomness of nanoparticles (size and relative spacing), resulting in uni-wavelength or narrow band of light localization.******Recently, we have made a ground-breaking advance through the discovery of a new SERS platform - overcoming the above limitations and leading to the development of robust multi-wavelength SERS sensing substrates deep subwavelength light localization in width-graded nano-gratings amenable to economic reproducible manufacturing. ******Here, PI Nazir Kherani (Electrical and Computer Eng. (ECE) and Materials Science and Eng. (MSE) expertise in the new nanoplasmonic SERS platform), co-PI Aaron Wheeler (Chemistry proficiency in digital microfluidics), co-PI Naomi Matsuura (MSE and Institute for Biomedical and BioEng. in-depth experience with pathogens and biomarkers) and co-PI Stewart Aitchison (ECE experienced in spectroscopy of pathogens and biomarkers) propose to build and validate the first SERS based microfluidic sensing system via custom integration of a confocal Raman spectrometer. This research facility will serve to demonstrate and firmly establish the technological foundation for a highly efficacious point-of-care system for direct blood analysis.******Multidisciplinary collaboration of 3 PDFs and 5 PhDs will drive the construction and validation of the integrated sensing system. The team will systematically investigate and demonstrate high-sensitivity and rapid screening of a long list of pathogens and biomarkers in blood. This study is critical to advancing the analysis and reliability of the sensing system, wherein comprehensive optical fingerprint database corresponding to pathogens and biomarkers for infectious disease (such as sepsis) and acute leukemia cancer will be generated and analyzed using standard multivariate techniques and modern approaches such as machine learning.******This proposal is deemed urgent given its enormous potential to improve delivery of health care and reduce cost. If granted, the proposal provides a unique opportunity to establish Canada as a leader in next generation point-of-care multiplexing blood analyzers.*****
尽管传感技术取得了巨大进步,但我们仍然缺乏在第一护理点对传染性生物体和生物标志物(各种疾病的先兆)进行快速识别和准确量化的能力,否则这些能力将有助于显著改善和加快疾病的早期诊断,并能够密切监测处方治疗的效率。******在许多光学光子传感方法中,表面增强拉曼光谱(SERS)通过对组成分子的振动指纹识别来揭示物种的组成和结构组成,从而提供了高特异性。已经开发了多种SERS衬底,其中主要是金属纳米颗粒用于将光限制在纳米级间隙内,以提高SERS效率。然而,由于纳米颗粒的固有随机性(尺寸和相对间距),这些平台受到限制,导致单波长或窄波段的光定位。******最近,我们通过发现一种新的SERS平台取得了突破性的进展-克服了上述限制,并导致在宽度梯度纳米光栅中开发强大的多波长SERS传感衬底深亚波长光定位,从而适应经济可重复制造。******这里是PI Nazir Kherani(电气和计算机工程)。(欧洲经委会)和材料科学与工程(MSE)在新的纳米等离子体SERS平台方面的专业知识),共同pi Aaron Wheeler(数字微流体的化学熟练程度),共同pi Naomi Matsuura (MSE和生物医学和生物工程研究所)。在病原体和生物标志物方面有丰富经验)和共同pi Stewart Aitchison(欧洲经委会在病原体和生物标志物光谱方面有丰富经验)提议通过定制集成共聚焦拉曼光谱仪来构建和验证第一个基于SERS的微流体传感系统。该研究设施将展示并牢固地建立用于直接血液分析的高效护理点系统的技术基础。****** 3个pdf和5个博士的多学科合作将推动集成传感系统的构建和验证。该团队将系统地调查并展示血液中病原体和生物标志物的高灵敏度和快速筛选。本研究对于提高传感系统的分析和可靠性至关重要,其中将使用标准的多变量技术和机器学习等现代方法生成和分析与传染病(如败血症)和急性白血病癌症的病原体和生物标志物相对应的综合光学指纹数据库。******这项建议被认为是紧急的,因为它在改善提供保健和降低成本方面具有巨大潜力。如果获得批准,该提案将提供一个独特的机会,使加拿大成为下一代护理点多路血液分析仪的领导者。*****
项目成果
期刊论文数量(0)
专著数量(0)
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会议论文数量(0)
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Kherani, Nazir其他文献
Kherani, Nazir的其他文献
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{{ truncateString('Kherani, Nazir', 18)}}的其他基金
Novel on-chip UV absorption spectrometer using electrically tunable photodetector
使用电可调光电探测器的新型片上紫外吸收光谱仪
- 批准号:
530252-2018 - 财政年份:2021
- 资助金额:
$ 10.93万 - 项目类别:
Collaborative Research and Development Grants
Engineering New Nanostructured Materials for Tunable Light-Matter Interactions
工程新型纳米结构材料可调节光-物质相互作用
- 批准号:
RGPIN-2017-06405 - 财政年份:2021
- 资助金额:
$ 10.93万 - 项目类别:
Discovery Grants Program - Individual
Engineering New Nanostructured Materials for Tunable Light-Matter Interactions
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$ 10.93万 - 项目类别:
Discovery Grants Program - Individual
Rapid Reagent-Free Detection of COVID-19 in Exhaled Breath Condensate using Ultra-Sensitive Multi-wavelength SERS Nano-gratings
使用超灵敏多波长 SERS 纳米光栅快速无试剂检测呼出气体冷凝物中的 COVID-19
- 批准号:
554955-2020 - 财政年份:2020
- 资助金额:
$ 10.93万 - 项目类别:
Alliance Grants
Novel on-chip UV absorption spectrometer using electrically tunable photodetector
使用电可调光电探测器的新型片上紫外吸收光谱仪
- 批准号:
530252-2018 - 财政年份:2020
- 资助金额:
$ 10.93万 - 项目类别:
Collaborative Research and Development Grants
Engineering New Nanostructured Materials for Tunable Light-Matter Interactions
工程新型纳米结构材料可调节光-物质相互作用
- 批准号:
RGPIN-2017-06405 - 财政年份:2019
- 资助金额:
$ 10.93万 - 项目类别:
Discovery Grants Program - Individual
Novel on-chip UV absorption spectrometer using electrically tunable photodetector
使用电可调光电探测器的新型片上紫外吸收光谱仪
- 批准号:
530252-2018 - 财政年份:2019
- 资助金额:
$ 10.93万 - 项目类别:
Collaborative Research and Development Grants
Engineering New Nanostructured Materials for Tunable Light-Matter Interactions
工程新型纳米结构材料可调节光-物质相互作用
- 批准号:
RGPIN-2017-06405 - 财政年份:2018
- 资助金额:
$ 10.93万 - 项目类别:
Discovery Grants Program - Individual
High energy-efficient UV lamps using nano-thin spectrally selective metallo-dielectric layers
使用纳米薄光谱选择性金属介电层的高能效紫外线灯
- 批准号:
531335-2018 - 财政年份:2018
- 资助金额:
$ 10.93万 - 项目类别:
Engage Grants Program
Novel on-chip UV absorption spectrometer using electrically tunable photodetector
使用电可调光电探测器的新型片上紫外吸收光谱仪
- 批准号:
530252-2018 - 财政年份:2018
- 资助金额:
$ 10.93万 - 项目类别:
Collaborative Research and Development Grants
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