NIR-induced highly sensitive detection of latent finger- marks by NaYF4:Yb,Er upconversion nanoparticles in a dry powder state

查看全文 作　　者：Meng [1,2]Wang;Ming [1,2]Li;Mingying [3]Yang;Xiaomei [1,2]Zhang;Aoyang [1,2]Yu;Ye [4]Zhu;Penghe [4]Qiu;Chuanbin [4]Mao

机构地区：[1]Department of Trace Examination, National Police University of China, Shenyang 110035, China;[2]Key Laboratory of Impression Evidence Examination and Identification Technology, Ministry of Public Security, China;[3]Institute of Applied Bioresource Research, College of Animal Science, Zhejiang University, Hongzhou 310058, China;[4]Department of Chemistry & Biochemistry, Stephenson Life Sciences Research Center, University of Oklahoma, Norman, Oklahoma 73019, USA

出　　处：《Nano Research》索引2015年第8卷第6期,共11页

基　　金：This work is supported by the National Natural Science Foundation of China (No. 21205139), the Application and Innovation Project of Chinese Ministry of Public Security (No. 2012YYCXXJXY127), and the Program for Liaoning Excellent Talents in University (No. LJQ2014130). MYY is thankful for the grant support from the National Natural Science Foundation of China (Nos. 20804037 and 21172194) and National High Technology Research and Development Program 863 (No. 2013AA102507). YZ, PHQ and CBM would like to thank the financial support from National Institutes of Health (No. EB015190), National Natural Science Foundation (No. CMMI-1234957 and DMR-0847758), Department of Defense Peer Reviewed Medical Research Program (No. W81XWH-12-1-0384), Oklahoma Center for the Advancement of Science and Technology (No. HR14-160) and Oklahoma Center for Adult Stem Cell Research (No. 434003). 摘　　要：通常在犯罪场面发现 fingermarks 的大多数是潜伏的并且,这样为检测潜伏的 fingermarks 的一个有效方法是很重要的。然而,传统的发展中技术有象低察觉敏感,高背景干扰,复杂操作,和高毒性那样的缺点。处理这挑战,我们采用了荧光灯 NaYF ₄:Yb,Er upconversion nanoparticles (UCNP ) 它能发荧光可见的光什么时候由 980 nm 使对人安全的在红外线附近的光激动,到污点,各种各样的底层上的潜伏的 fingermarks 出现。 UCNP 成功地被用作一篇小说荧光灯为有包括非渗入的材料(玻璃,大理石,铝合金表,不锈钢表,铝陪衬,和塑料卡片)的各种各样的底层上的高敏感,低背景,高效率,和低毒性的潜伏的 fingermarks 的察觉的标签,渗入半的材料(地板皮革,陶器的瓦,木头地板,和油漆木头),和象报纸的各种各样的类型那样的渗透的材料。这个工作证明 UCNP 是一万用荧光灯为几乎任何东西上的 fingermarks 的灵巧的察觉的标签材料,在法庭的科学启用他们的实际应用。 关键词：检测灵敏度纳米粒子高灵敏度上转换 NIR 荧光标记状态粉末

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NIR-induced highly sensitive detection of latent finger- marks by NaYF4:Yb,Er upconversion nanoparticles in a dry powder state

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