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Forensic Science

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Displaying 26 - 50 of 540

The Development of Standards for the Ethical Use of Human Skeletal Remains for Education, Research, and Training in Forensic Anthropology

March 19, 2025
Author(s)
Nicholas Passalacqua, Eric Bartelink, Wendy McQuade, Dawnie Steadman, Donna Boyd, Kate Spradley, Kelly Sauerwein, Ranee Ho
We present a proposed standard regarding the use of contemporary human skeletal remains in education, training, and research contexts in forensic anthropology. This document was generated by the Anthropology subcommittee of the Organization of Scientific

Development of Publicly Available Forensic DNA Sequence Mixture Data

March 12, 2025
Author(s)
Erica Romsos, Kevin Kiesler, Carolyn Steffen, Lisa Borsuk, Sarah Riman, Lauren Mullen, Jodi Irwin, Peter Vallone, Katherine Gettings
Background: In 2018, the Next-Generation Sequencing Committee of SWGDAM queried bioinformatic and statistical interpretation method developers regarding data needs for the development of sequence-based probabilistic genotyping software. Methods: Based on

Novel probabilistic similarity scores for sets of replicate EI mass spectra

March 5, 2025
Author(s)
Amudhan Krishnaswamy Usha, Briana Capistran, Anthony Kearsley
Abstract: Background: Mass spectra are common signatures used to discriminate between compounds. This often involves the use of a similarity score to classify and distinguish between spectra of different compounds. To separate spectra of structurally

UV Stabilizer BTMPS in the Illicit Fentanyl Supply in 9 US Locations

February 5, 2025
Author(s)
Chelsea Shover, Morgan Godvin, Meghan Appley, Elise Pyfrom, Fernando Montero Castrillo, Karli Hochstatter, Neil Garg, Adam Koncsol, Joseph Friedman, Caitlin Molina, Ruby Romero, Brendan Harshberger, Jordan Spoliansky, Candace Winstead, Edward Sisco
Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate (BTMPS) belongs to a class of molecules called hindered amine light stabilizers that are used in plastics manufacturing and as adhesives or sealants.1 BTMPS has not been studied in humans or approved for human

RaDAR Sample Collection Resources

January 21, 2025
Author(s)
Edward Sisco
This entry contains slides and videos that are intended to posted on the RaDAR website to provide RaDAR collaborators with easy access with sample collection resources.

DNA Mixture Interpretation: A NIST Scientific Foundation Review

December 18, 2024
Author(s)
John Butler, Hariharan Iyer, Richard Press, Melissa Taylor, Peter Vallone, Sheila Willis
Improvements in DNA testing methods have allowed forensic scientists to reduce the quantity of DNA required for profiling an individual. Today, DNA profiles can be generated from a few skin cells. This increased sensitivity has extended the usefulness of

Wound Causing Agents in the Illicit Drug Supply: Evidence from a Statewide Drug Checking Program

December 5, 2024
Author(s)
Emily Martin, Kristin Schneider, Edward Sisco, Meghan Appley, Margaret Rybak, Rae Elkasabany, Susan Sherman
Objectives To examine the prevalence of wound causing agents (xylazine, levamisole, medetomidine) in Maryland's illicit drug supply and co-occurrence with other substances. Methods Using data from Maryland's statewide drug checking program, Rapid Analysis

Results of the 2023 Rapid DNA Multi-Laboratory Study - I-Chip

December 4, 2024
Author(s)
Erica Romsos, Lilliana Moreno, Douglas Hares
Identical sensitivity and mixture sample sets were provided to six external laboratories to evaluate the recent enhancements to the Rapid DNA technology for crime scene-type samples. Data were returned to the Federal Bureau of Investigation and the

Drug Detection, Analysis, and Monitoring Workshop Report

August 30, 2024
Author(s)
Edward Sisco
This report is a summary of a workshop convened to capture the analytical and data challenges inherent to the detection, identification, and monitoring of illicit drugs in the United States – specifically highlighting current practices, challenges, and

NIST Cloud Computing Forensic Reference Architecture

July 30, 2024
Author(s)
Martin Herman, Michaela Iorga, Ahsen Michael Salim, Robert H. Jackson, Mark R. Hurst, Ross A. Leo, Anand Kumar Mishra, Nancy M. Landreville, Yien Wang
This document summarizes the research performed by the NIST Cloud Computing Forensic Science Working Group and presents the NIST Cloud Computing Forensic Reference Architecture (CC FRA or FRA), whose goal is to provide support for a cloud system's forensic

Similarity Measures of Mass Spectra in Hilbert Spaces

July 29, 2024
Author(s)
Anthony J. Kearsley, Matthew Roberts
Mass spectrometry (MS) is an analytic tool for measuring mass-to-charge ratios of molecules or molecular fragments. It is often used to identify and classify compounds. A mass spectrometer measures the mass of molecules and produces a signal proportional
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