microphone and headphones

 Just the Impression and Pattern/Trace Evidence Portfolio

In episode two of our 2021 NIJ R&D and Beyond mini season, Just Science sat down with Dr. Gregory Dutton, a physical scientist in the Office of Investigative and Forensic Sciences at the National Institute of Justice, to discuss NIJ’s Impression, Pattern, and Trace Evidence research portfolio.    Between latent fingerprints,…
Burning building/scientist collecting evidence

Advancing Fire Scene Investigations with Field Portable Technologies

This webinar originally occurred on April 6th, 2021 Duration: 1.5 hours This multi-year effort evaluated the application and limitations of field portable Gas Chromatography/Mass Spectrometry (GC/MS) systems.  The testing included three bench-top burns, nine flashover burns and 139 fire scenes with hundreds of samples…
various explosives, including fireworks

Intact Low Explosives Analysis with an Emphasis on Microscopical Methods

– Thursday, July 16th, 2020 1:00:00 PM ET – 2:30:00 PM ET Duration: 1.5 hour(s) The presenters in this webinar will discuss intact low explosives analysis with an emphasis on microscopical methods. They will cover basic terminology for explosives, the…
fire and hexagon tiles

Comparison of Portable and Benchtop GC–MS Coupled to Capillary Microextraction of Volatiles for the Extraction and Analysis of Ignitable Liquid Residues

Report Publication Forensic Chemistry, June 2020 Abstract A novel extraction device, capillary microextraction of volatiles (CMV) was coupled to a TRIDION-9 GC–MS with a needle trap (NTD) and evaluated for the analysis of ignitable liquids fire debris. The performance of…
microphone and headphones

Just Quick Screening Methods for Firearm Discharge Residues

In this episode of the 2020 R&D Season, Just Science interviews Dr. Tatiana Trejos, Assistant Professor of the Department of Forensic and Investigative Sciences at West Virginia University, about the rapid detection of organic and inorganic gunshot residue. Speed and…
Silhouette of two people beside building on fire

Modifications to Capillary Microextraction in Volatiles for the Extraction of Ignitable Liquid Residues

Report Date April 2020 Description This report summarizes the development and implementation of a novel sampling device (capillary microextraction of volatiles ) invented in the Almirall research group at Florida International University for ILR extraction as an alternative to current…