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                            Funding & Awards
 Improvements to Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry for Quantitative Forensic Analysis Using a Short Pulse (100 Femtosecond) Ultraviolet Laser
Award Information
Awardee
              Ames Laboratory (DOE)
Award #
              2009-DN-R-112
Funding Category
              Competitive

Status
              Closed
Funding First Awarded
              2009
Total funding (to date)
              $237,977
Original Solicitation
              NIJ FY 09 Research and Development in Forensis Analysis of Trace Evidence:  Invited Full Proposals
Description of original award (Fiscal Year 2009, $237,977)
Laser ablation inductively coupled plasma – mass spectrometry (LA-ICP-MS) is a nondestructive method for trace elemental analysis of solids. This project will utilize the latest development in LA technology: a new short pulse (~100 fs) ultraviolet (266 nm) laser available in the PI's lab. Such a laser is believed to provide particulates from the sample that are closer to its real elemental composition and that are much better atomized and ionized when they travel through the ICP. The result is more accurate elemental identification and better quantification with less need for closely matched solid standard materials. When combined with our magnetic sector ICP-MS instrument, the result is very high sensitivity (i.e., sub-ppb levels can be measured) and selectivity for trace elements. These improved analytical capabilities should extend the scope of application of trace element evidence to different materials (e.g., glass panes, metals, plastics, tapes) of forensic interest.



  
Grant-Funded Publications
        
                      Improvements in Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry for Forensic Analysis

  
Date Created: December 15, 2020
    
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