Understanding the Migration Fates of Contaminants at Water/sediment Interface after Environmental Shocks Using Innovative Real-time in situ Profiling
使用创新的实时原位分析了解环境冲击后水/沉积物界面污染物的迁移命运
基本信息
- 批准号:1336425
- 负责人:
- 金额:$ 30万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2013
- 资助国家:美国
- 起止时间:2013-09-01 至 2017-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
CBET 1336425Baikun LiUniversity of ConnecticutThe study aims at developing a new generation microelectrode (ME) with easy fabrication, sturdy structure, simple setup and capability of simultaneously measuring multiple parameters at multiple points to profile the spatial distribution of contaminants, thus providing useful information to elucidate their fate. All-in-one microelectrode chips (AIO MECs) provide real-time, continuous, and accurate monitoring of physical-chemical variation following system shocks. With the water/sediment interface as the target, four tasks will be conducted. First, as the precursor of the AIO MECs, one-dimension MECs (1D MECs) will be fabricated using photolithography to produce sturdy MEs on silicon chips. The position of each ME will be known so that the 1D MECs are capable of profiling along the depth of samples without the need of micromanipulators. Second, AIO MECs will be developed by patterning multiple 1D MECs onto a single chip, so that one chip can simultaneously measure multiple parameters at multiple points. Third, the applicability of 1D MECs and AIO MECs will be examined under two shocks (concentration- and flow rate-dependent shocks) in lab-scale tests and lake sediments. Finally, the short-term (days) and long-term (months) impacts of shocks at the water/sediment interface will be monitored in real-time mode. The MEC profiles will be integrated with models to elucidate the migration fates of contaminants, which will provide timely restoration protocols for site cleanup before irreversible deterioration of the natural environment. This proof-of-concept work will provide real-time monitoring of physical-chemical variations (e.g., nitrogen, phosphorous, redox potential, and proton) after shocks, and allow fundamental understanding of the dynamic transport of contaminants. By developing the new generation ME technology to achieve real-time monitoring of contaminants after shocks, the proposed research will impact protection and restoration of vital ecosystems, maintaining environmental sustainability for future generations. The AIO MECs will lead to compact and simple monitoring kits that will revolutionize real-time monitor of diverse systems including large-scale contaminated sites and harsh environment (deep sea sediment). Multiple outreach initiatives including workshops and high school seminars will promote the scientific/engineering competence of underrepresented groups. The research will strengthen an existing collaboration with water industries to achieve real-time in situ monitoring of natural and engineered systems. Finally, the new generation ME technology for profiling water qualities and contaminants will be a strong force to promote environmental engineering research and education in the State of Connecticut and New England area.
CBET 1336425李白坤康涅狄格大学本研究旨在开发新一代微电极(ME),该微电极具有易于制造、结构坚固、设置简单、能够同时测量多个点的多个参数,以描绘污染物的空间分布,从而为阐明污染物的命运提供有用的信息。 一体化微电极芯片(AIO MEC)可实时、连续、准确地监测系统冲击后的理化变化。以水/沉积物界面为目标,将进行四项任务。首先,作为AIO MEC的前体,一维MEC(1D MEC)将使用光刻法在硅芯片上制造坚固的ME。每个ME的位置将是已知的,使得1D MEC能够沿样品的深度进行沿着轮廓分析,而不需要显微操纵器。其次,AIO MEC将通过将多个1D MEC图案化到单个芯片上来开发,以便一个芯片可以在多个点同时测量多个参数。第三,一维MEC和AIO MEC的适用性将在实验室规模的测试和湖泊沉积物中的两个冲击(浓度和流量依赖的冲击)下进行检查。最后,将以实时方式监测冲击对水/沉积物界面的短期(数天)和长期(数月)影响。MEC剖面将与模型相结合,以阐明污染物的迁移命运,这将在自然环境不可逆转地恶化之前为现场清理提供及时的恢复协议。这项概念验证工作将提供对物理化学变化的实时监测(例如,氮、磷、氧化还原电位和质子),并允许对污染物的动态迁移有基本的了解。通过开发新一代ME技术,实现对冲击后污染物的实时监测,拟议的研究将影响重要生态系统的保护和恢复,为子孙后代保持环境的可持续性。AIO MECs将导致紧凑和简单的监测套件,这将彻底改变包括大规模污染场地和恶劣环境(深海沉积物)在内的各种系统的实时监测。包括讲习班和高中研讨会在内的多种外联举措将促进代表性不足群体的科学/工程能力。该研究将加强与水行业的现有合作,以实现对自然和工程系统的实时原位监测。最后,新一代水质和污染物分析ME技术将成为推动康涅狄格州和新英格兰地区环境工程研究和教育的强大力量。
项目成果
期刊论文数量(0)
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Baikun Li其他文献
Quantitative determination and toxicity evaluation of 2,4-dichlorophenol using poly(eosin Y)/hydroxylated multi-walled carbon nanotubes modifed electrode
聚曙红Y/羟基多壁碳纳米管修饰电极定量测定2,4-二氯苯酚及其毒性评价
- DOI:
- 发表时间:
2016 - 期刊:
- 影响因子:4.6
- 作者:
Xiaolin Zhu;Kexin Zhang;Chengzhi Wang;Jiunian Guan;Xing Yuan;Baikun Li - 通讯作者:
Baikun Li
Bench and full-scale studies for odor control from lime stabilized biosolids: The effect of mixing on odor generation
- DOI:
10.1016/j.biortech.2007.11.077 - 发表时间:
2008-09-01 - 期刊:
- 影响因子:
- 作者:
Kenneth R. Krach;Baikun Li;Benjamin R. Burns;Jessica Mangus;Howard G. Butler;Charles Cole - 通讯作者:
Charles Cole
Neuroprotective effects of gastrodin in both in vivo and in vitro models of Parkinson's disease: Mechanisms from the perspective of oxidative stress, ferroptosis, and cellular senescence
天麻素在帕金森病体内和体外模型中的神经保护作用:基于氧化应激、铁死亡和细胞衰老的机制
- DOI:
10.1016/j.jff.2025.106682 - 发表时间:
2025-02-01 - 期刊:
- 影响因子:4.000
- 作者:
Shanshan Li;Meng Wang;Buyun Jia;Baikun Li;Hui Cheng;Shasha Tian;Qinglin Li - 通讯作者:
Qinglin Li
Cinobufagin inhibits hepatocellular carcinoma EMT-like stemness via VEGF/VEGFR2 autocrine signaling
- DOI:
10.1007/s12672-025-02707-9 - 发表时间:
2025-05-26 - 期刊:
- 影响因子:2.900
- 作者:
Mingjun Ye;Shujun Chen;Chen Lu;Yangpei Wu;Jiaming Tian;Anqi Han;Jimin Zhu;Baikun Li;Qinglin Li - 通讯作者:
Qinglin Li
Virus Monitoring and Removal in Natural and Built Systems
自然和建筑系统中的病毒监测和清除
- DOI:
- 发表时间:
2020 - 期刊:
- 影响因子:2.2
- 作者:
Yang Deng;Baikun Li;M. Nadagouda;V. Tarabara - 通讯作者:
V. Tarabara
Baikun Li的其他文献
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{{ truncateString('Baikun Li', 18)}}的其他基金
IUCRC Phase I University of Connecticut: Center for Soil Technologies (SoilTech)
IUCRC 第一阶段康涅狄格大学:土壤技术中心 (SoilTech)
- 批准号:
2231646 - 财政年份:2023
- 资助金额:
$ 30万 - 项目类别:
Continuing Grant
Collaborative Research: SitS NSF UKRI: Decoding Nitrogen Dynamics in Soil through Novel Integration of in-situ Wireless Soil Sensors with Numerical Modeling
合作研究:SitS NSF UKRI:通过原位无线土壤传感器与数值建模的新颖集成解码土壤中的氮动态
- 批准号:
1935599 - 财政年份:2020
- 资助金额:
$ 30万 - 项目类别:
Standard Grant
Planning IUCRC at University of Connecticut: Center for Soil Dynamics Technologies
康涅狄格大学 IUCCRC 规划:土壤动力学技术中心
- 批准号:
1922532 - 财政年份:2019
- 资助金额:
$ 30万 - 项目类别:
Standard Grant
PFI:AIR-TT: Prototype Development and Demonstration of Milli-electrode Array (MEA) as Real-time In situ Profiling Device in Waste Treatment Systems
PFI:AIR-TT:作为废物处理系统中实时原位分析装置的毫电极阵列 (MEA) 原型开发和演示
- 批准号:
1640701 - 财政年份:2017
- 资助金额:
$ 30万 - 项目类别:
Standard Grant
GOALI: WERF: Towards Energy-saving Wastewater Treatment through High-fidelity Heterogeneity Profiling-based Multiple-zoning Control Methodology
目标:WERF:通过基于高保真异质性分析的多分区控制方法实现节能废水处理
- 批准号:
1706343 - 财政年份:2017
- 资助金额:
$ 30万 - 项目类别:
Standard Grant
I-Corps: Milli-electrode Array as Next Generation Profiling Technology for Biochemical Reaction Systems
I-Corps:毫电极阵列作为生化反应系统的下一代分析技术
- 批准号:
1655451 - 财政年份:2016
- 资助金额:
$ 30万 - 项目类别:
Standard Grant
I-Corps: Commercialization of Distributed Active Microbial Fuel Cells (DA-MFCs) for Underwater Energy Harvest
I-Corps:用于水下能量采集的分布式活性微生物燃料电池(DA-MFC)的商业化
- 批准号:
1358337 - 财政年份:2013
- 资助金额:
$ 30万 - 项目类别:
Standard Grant
Collaborative research..Molecular Biology for Environmental Engineers
合作研究..环境工程师的分子生物学
- 批准号:
0731479 - 财政年份:2007
- 资助金额:
$ 30万 - 项目类别:
Standard Grant
Collaborative research..Molecular Biology for Environmental Engineers
合作研究..环境工程师的分子生物学
- 批准号:
0511335 - 财政年份:2005
- 资助金额:
$ 30万 - 项目类别:
Standard Grant
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