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                            Funding & Awards
 Physical Characteristics of Spatter Stains on Textiles: Influence of Impact Surface Texture, Blood Drop Volume and Blood Drop Velocity
Award Information
Awardee
              NORTH CAROLINA STATE UNIVERSITY
Award #
              2018-R2-CX-0033
Funding Category
              Competitive Discretionary
Location
                    RALEIGH, NC
Congressional District
              2
Status
              Closed
Funding First Awarded
              2018
Total funding (to date)
              $272,463
Original Solicitation
              NIJ FY18 Research and Development in Forensic Science for Criminal Justice Purposes
Description of original award (Fiscal Year 2018, $272,463)
Statement of the Problem: Bloodstains commonly occur at violent scenes and may provide useful information about how the stains were created. This information can be useful to corroborate or refute witness statements. However, when bloodstains occur on textiles, the interaction between blood and the textile structure can greatly alter the stain pattern, thus rendering the analysis of the stain difficult, impossible or even invalid. This proposal attempts to define key characteristics that are useful for forensics analysis by (1) fully characterizing target textile substrates, (2) projecting individual, well-characterized blood drops (volume, velocity) onto the textile at (3) well defined impact angles and (4) orientations to the textile texture. The resulting stains will be analyzed for drop breakup on impact with the textile, penetration into the textile, and wicking within the textile to determine characteristics which distinguish these stains from others, such as transfer and expirated.
This project contains a research and/or development component, as defined in applicable law, and complies with Part 200 Uniform Requirements - 2 CFR  200.210(a)(14).
CA/NCF



  
Grant-Funded Publications
        
                      Physical Characteristics of Spatter Stains on Textiles: Influence of Impact Surface Texture, Blood Drop Volume and Blood Drop Velocity
                  Fundamental Study of Porcine Drip Bloodstains on Fabrics: Blood Droplet Impact and Wicking Dynamics
                  Retraction dynamics of water droplets after impacting upon solid surfaces from hydrophilic to superhydrophobic

  
Date Created: September 27, 2018
    
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