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                            Funding & Awards
 Elemental Analysis of Glass by SEM-EDS, XRF, EPMA, LIBS and LA-ICPMS
Note:
              This awardee has received supplemental funding. This award detail page includes information about both the original award and supplemental awards.
Award Information
Awardee
              The Florida International University Board of Trustees
Award #
              2005-IJ-CX-K069
Funding Category
              Competitive
Location
                    Miami, FL
Awardee County
              Miami Dade
Congressional District
              26
Status
              Closed
Funding First Awarded
              2005
Total funding (to date)
              $380,679
Original Solicitation
              General Forensics Research and Development Full Applications
Description of original award (Fiscal Year 2005, $292,149)
The proposed research will expand on the PIs research in the area of elemental analysis of materials (DoD/TSWG, end date 12/2002 and NIJ, end date 7/2005) to conduct a thorough evaluation of a number of elemental analysis methods and compare the discrimination power between the methods used in most forensic laboratories. Glass is proposed as a model system due to the availability of matrix-matched standards and the forensic interest of the material as transfer evidence. The proposed work aims to evaluate the informing power of scanning electron microscopy-energy dispersive spectrometry (SEM-EDS), X-Ray fluorescence spectrometry (XRF), and LA-IPCMS and compare these methods to the emerging technique of laser induced breakdown spectrometry (LIBS) for the comparison of glass samples. A carefully selected set of ~ 500 glass samples will be analyzed by the above methods to determine the informing power of each of the techniques to differentiate between glass samples. In addition, two commercially available LIBS instruments will be used to evaluate the utility of the LIBS instruments and to provide feedback to the manufacturers so that the instruments can be improved and optimized for forensic applications.
ca/ncf
Supplemental Award 1 (Fiscal Year 2008, $88,530)
This extension of research will address: 1) Standardization of a LIBS protocol for the analysis of glass and publication of such a protocol in the scientific literature; 2) Evaluation of Interpretation of the results for both LIBS and uXRF data analysis; 3) Development of match criteria for casework comparisons using either LIBS or uXRF data based on the evaluation of the interpretation results; 4) Presentation of these results at the upcoming Trace Evidence symposium.  By following standard protocols and match criteria for glass examination, trace evidence examiners will be better suited to make efficient and accurate comparisons of glass samples.  This will assist them in completing forensic casework, thereby reducing backlog.
nca/ncf


  
Grant-Funded Publications
        
                      Quantitative Analysis of Liquids from Aerosols and Microdrops using Laser Induced Breakdown Spectroscopy
                  Elemental Analysis of Glass by SEM-EDS, uXRF, LIBS and LA-ICP-MS
                  Characterization and forensic analysis of soil samples using Laser-Induced Breakdown Spectroscopy (LIBS)
                  Micro-spectrochemical analysis of document paper and gel inks by laser ablation inductively coupled plasma mass spectrometry and laser induced breakdown spectroscopy
                  Wavelength Dependence on the Forensic Analysis of Glass by Nanosecond 266 nm and 1064 nm Laser Induced Breakdown Spectroscopy
                  A Comparison of Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS) Micro X-Ray Fluorescence (uXRF) and Laser Induced Breakdown Spectroscopy (LIBS) for the Discrimination of Automotive Glass
                  Wavelength Dependence on the Elemental Analysis of Glass by Laser Induced Breakdown Spectroscopy
                  Comparison of High-Resolution and Dynamic Reaction Cell ICP-MS Capabilities for Forensic Analysis of Iron in Glass
                  Laser Induced Breakdown Spectroscopy as a Tool for Discrimination of Glass for Forensic Applications
                  Forensic Elemental Analysis of Materials by Laser Induced Breakdown Spectroscopy (LIBS)

  
Date Created: September 15, 2005
    
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