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NIJ (National Institute of Justice) -Emerging Analytical Methods for Chemical and Biological Forensic Evidence
Thursday, March 11, 2021: 8:30 AM - 11:40 AM
Speaker(s)
Description
A fundamental concern in forensic science is the detection, collection, separation, and analysis of biological and chemical samples recovered from crime scenes. Innovations from allied fields (analytical chemistry, health and biomedicine, materials, etc.) can be brought to bear to enhance the value of information extracted from these samples. Advances in mass spectrometry, applied spectroscopy, and microscopy, among other tools, have yielded or show promise for successful application to forensics. This symposium presents leading researchers bringing novel analytical methods to solve forensic problems.
Additional Info
Presentations:
- Session Number: S01-01
- Thursday, March 11, 8:30 AM - 9:05 AM
The National Institute of Justice (NIJ) is the research, development and evaluation agency of the U.S. Department of Justice. NIJ maintains a program of external funding for research and development in the forensic sciences. The portfolio spans a broad range, from fundamental research with the potential for application to forensic...
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- Session Number: S01-02
- Thursday, March 11, 9:05 AM - 9:40 AM
Newer computational and technological advances are opening opportunities for alternative approaches to identify and interpret gunshot residues (GSR). This study illustrates the versatility of Laser-Induced Breakdown Spectroscopy (LIBS) to identify traces produced when a firearm is discharged, providing crucial information, such as links to a person of interest, the direction...
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- Session Number: S01-03
- Thursday, March 11, 9:40 AM - 10:15 AM
Raman spectroscopy allows for probing the total (bio)chemical composition of an unknown substance and provides highly specific vibrational signature for its characterization. The technique is non-destructive, rapid, and sensitive, and requires little or no sample preparation. Furthermore, portable spectrometers are readily available, allowing for crime scene accessibility. Our laboratory and...
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- Session Number: S01-04
- Thursday, March 11, 10:30 AM - 11:05 AM
The increasing sensitivity of DNA typing systems has caused a precipitous rise in the number of trace/touch biological samples processed in criminal cases and there is a critical need for technologies that can provide estimates for the ‘age’ or time since deposition of biological evidence. This information can establish which...
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