SBIR Phase I: Development of New Time and Spatially-Resolved, Near-Infrared Photoluminescence Techniques Detecting Trapped Charge in Inorganic Sediments for Geochronology Dating
SBIR 第一阶段:开发新的时间和空间分辨近红外光致发光技术,检测无机沉积物中的俘获电荷以进行地质年代测定
基本信息
- 批准号:2126530
- 负责人:
- 金额:$ 25.6万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2021
- 资助国家:美国
- 起止时间:2021-09-01 至 2022-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This Small Business Innovation Research Phase I project will develop a rapid, Pulsed Near-Infrared Photoluminescence (P-NIR-PL) and Stimulated Luminescence (SL) technique with micron spatial resolution, as a state-of-the art photoluminescence dating method for inorganic sediments, with substantially improved precision, accuracy, and turn-around time for sample processing. Picosecond-NIR-PL is a next-generation analytical platform for inorganic sediments. The team seeks to capture geochronological data from ~1 to 200,000 years prior. The approach addresses challenges with sample processing through the rapid detection of overlapping PL signals that will be deconvoluted and correlated to age. If successful, this project will provide new capabilities to geologists and archaeologists working on new geochronological methods for dating volcanic soils, charred materials, and sand/rock materials from future extraterrestrial sites. A sizable niche market and strong commercialization opportunity exists if optical dating measurements can be performed rapidly and non-destructively, repeatedly with differentiation on the sub single-grain level, and reliably with minimal sample pre-treatment. The intellectual merit of this project focuses on instrument development to address the immediate demand for an accurate tool for differentiation of quartz and feldspar detection in sediments using an advanced spatial and time-resolved microscopy method with an attached dosing/dating capability for geochronological dating. Separation of PL and SL decays that are previously unexplained will establish a novel geochronological method achieved by expanding the detection into the near-infrared. A picosecond pulsed laser source with picosecond-to-second resolution in kinetic decay will be combined with high spatial resolution to cover a wide range of excitation/emission profiles that uniquely shorten the time required for a single measurement, from 13 hours to 20 minutes. Specifically, the combined time-resolved and spatially-resolved components create a powerful technique to distinguish molecular and crystalline environments as well as to distinguishing emissions from similar spectra and unique elemental microstructures. The proposed activities may advance engineering and science innovation in pulsed optical/NIR dating methods with a focus on high performance, commercial instrument development for rapid sample screening. Establishment of both the state-of-the-art instrumentation and analytical testing service for optical dating will be performed by a new diversified customer segment with implementation of an online geochronological library.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.
这个小企业创新研究第一阶段项目将开发一种快速的脉冲近红外光致发光(P-NIR-PL)和受激发光(SL)技术,具有微米空间分辨率,作为无机沉积物的最先进的光致发光测年方法,大大提高了样品处理的精度,准确度和周转时间。 皮秒-近红外-PL是下一代无机沉积物分析平台。 该团队试图捕获1至20万年前的地质年代学数据。 该方法通过快速检测将被去卷积并与年龄相关的重叠PL信号来解决样品处理的挑战。如果成功,该项目将为地质学家和考古学家提供新的能力,研究新的地质年代学方法,用于确定未来外星遗址的火山土壤,炭化材料和砂/岩石材料的年代。 如果光学测年测量能够快速、非破坏性地重复进行,并在亚单颗粒水平上进行区分,并且可靠地进行最少的样品预处理,则存在着相当大的利基市场和强大的商业化机会。该项目的智力价值集中在仪器开发,以满足对一种精确工具的直接需求,该工具用于区分沉积物中的石英和长石检测,使用先进的空间和时间分辨显微镜方法,具有附加的剂量/测年能力,用于地质年代学测年。分离PL和SL衰变,以前无法解释的将建立一个新的地质年代学方法,通过扩展到近红外探测。 具有皮秒到秒动力学衰减分辨率的皮秒脉冲激光源将与高空间分辨率相结合,以覆盖广泛的激发/发射分布,从而独特地缩短单次测量所需的时间,从13小时缩短到20分钟。 具体而言,组合的时间分辨和空间分辨组件创建了一个强大的技术来区分分子和晶体环境,以及区分来自相似光谱和独特元素微观结构的发射。 拟议的活动可能会推动脉冲光学/近红外测年方法的工程和科学创新,重点是快速样品筛选的高性能商用仪器开发。光学测年的最先进仪器和分析测试服务的建立将由一个新的多元化客户群进行,并实施在线地质年代图书馆。该奖项反映了NSF的法定使命,并被认为值得通过使用基金会的知识价值和更广泛的影响审查标准进行评估来支持。
项目成果
期刊论文数量(0)
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Amy Scott其他文献
Guideline on the requirements for quality documentation concerning biological investigational medicinal products in clinical trials
生物研究药品临床试验质量文件要求指南
- DOI:
- 发表时间:
2010 - 期刊:
- 影响因子:0
- 作者:
Zena Kaufman;Steven Mendivil;Michael Sadowski;Junko Sasaki;Amy Scott;Lisa M. Skeens - 通讯作者:
Lisa M. Skeens
Volatile Organic Compounds: Upcoming Role in Diagnosis of Invasive Mould Infections
挥发性有机化合物:在侵袭性霉菌感染诊断中的未来作用
- DOI:
- 发表时间:
2017 - 期刊:
- 影响因子:1.4
- 作者:
Amy Scott;S. Chambers - 通讯作者:
S. Chambers
The inhibitory effect of copper, zinc and manganese on Legionella longbeachae and other Legionella spp. in vitro.
铜、锌和锰对长滩军团菌和其他军团菌的抑制作用。
- DOI:
10.1093/lambio/ovad074 - 发表时间:
2023 - 期刊:
- 影响因子:2.4
- 作者:
Hyunwoo Jun;Amy Scott;S. Slow;J. Williman;D. Murdoch;S. Chambers - 通讯作者:
S. Chambers
Habitat use at fire edges: Does animal activity follow temporal patterns of habitat change?
火灾边缘的栖息地利用:动物活动是否遵循栖息地变化的时间模式?
- DOI:
- 发表时间:
2019 - 期刊:
- 影响因子:3.7
- 作者:
Kate Parkins;Amy Scott;J. Di Stefano;M. Swan;H. Sitters;A. York - 通讯作者:
A. York
Quantification of hydrogen cyanide (HCN) in breath using selected ion flow tube mass spectrometry—HCN is not a biomarker of Pseudomonas in chronic suppurative lung disease
使用选择离子流管质谱法定量呼吸中的氰化氢 (HCN) —HCN 不是慢性化脓性肺病中假单胞菌的生物标志物
- DOI:
- 发表时间:
2013 - 期刊:
- 影响因子:3.8
- 作者:
J. Dummer;Malina K. Storer;S. Sturney;Amy Scott;S. Chambers;M. Swanney;M. Epton - 通讯作者:
M. Epton
Amy Scott的其他文献
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