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Forensic Science

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Displaying 76 - 100 of 525

Development & Validation of A Rapid GC-MS Method for Seized Drug Screening

February 15, 2023
Author(s)
Madeline Bloom, Edward Sisco, Ira Lurie
Controlled substances are one of the most frequently analyzed types of evidence in forensic laboratories. An increase in frequency of seizures in recent years has necessitated a need for rapid screening techniques to decrease case backlogs and expedite

Field-Deployable Devices

January 1, 2023
Author(s)
Thomas P. Forbes, Raychelle Burks
Reductions in instrument size, weight, and power continue to facilitate the development and application of field-deployable devices for investigative purposes. Portable analytical instrumentation supporting the rapid and reliable identification of two

MAKE IT "SNPPY" - UPDATES TO SRM 2391D: PCR-BASED DNA PROFILING STANDARD

December 16, 2022
Author(s)
Becky Steffen, Erica Romsos, Kevin Kiesler, Lisa Borsuk, Katherine Gettings, Peter Vallone
Standard Reference Material (SRM) 2391d: PCR-Based DNA Profiling Standard was released to the forensic community in 2019. Next Generation Sequencing (NGS) was used as the primary method of certification, where certified values were assigned when a high

STRSeq: FAQ for submitting

December 1, 2022
Author(s)
Lisa Borsuk, Peter Vallone, Katherine Gettings
The STR sequencing project was developed due to the necessity of publicly sharing sequencing information about Short Tandem Repeats (STR) associated with human identification. Next Generation Sequencing (NGS) or Massively Parallel Sequencing (MPS) is

ORGANIZATION OF SCIENTIFIC AREA COMMITTEES (OSAC) FOR FORENSIC SCIENCE

November 4, 2022
Author(s)
John Jones, Allison Getz, Donna J. Sirk
The National Institute of Standards and Technology (NIST) established the Organization of Scientific Area Committees (OSAC) for Forensic Science in 2014 to address a lack of discipline-specific forensic science standards. OSAC's mission is to strengthen

Bitemark Analysis Reference List

October 11, 2022
Author(s)
Kelly Sauerwein
This report provides supplemental information to NISTIR 8352 Bitemark Analysis: A NIST Scientific Foundation Review. Publicly available resources relating to bitemark analysis were collected to assist in the review of the scientific foundations of bitemark

CSAFE Bitemark Thinkshop Report

October 11, 2022
Author(s)
NFN CSAFE, Kelly Sauerwein
This is supplemental information to NISTIR 8352 Bitemark Analysis: A NIST Scientific Foundation Review. NIST asked the Center for Statistics and Applications in Forensic Evidence (CSAFE), a NIST Forensic Science Center of Excellence, to organize a Bitemark

Standards and Guidelines in Forensic Odontology

October 11, 2022
Author(s)
Karen Reczek
This report provides supplemental information to NISTIR 8352 Bitemark Analysis: A NIST Scientific Foundation Review. Standards and guidelines from the American Dental Association (ADA) and the International Organization of Standardization (ISO) as well as

Population data for 94 identity SNPs in four U.S. population groups

September 23, 2022
Author(s)
Kevin Kiesler, Lisa Borsuk, Becky Steffen, Katherine Gettings, Peter Vallone
The U.S. National Institute of Standards and Technology (NIST) sequenced 1036 human DNA samples from four United States population groups (African American, Asian, Hispanic, and Caucasian) using the ForenSeq DNA Signature Prep Kit with Primer Mix B (DPMB)

Digital Evidence Preservation: Considerations for Evidence Handlers

September 8, 2022
Author(s)
Barbara Guttman, Douglas R. White, Shannan Williams, Tracy Walraven
The preservation of digital evidence (DE) presents unique problems beyond traditional evidence preservation. This document addresses considerations related to the preservation of digital evidence. This document is part of a series on evidence management

Forensic Iris: A Review, 2022

July 18, 2022
Author(s)
James Matey, George W. Quinn, Patrick Grother
John Daugman correctly summarized the state of forensic iris recognition circa 2006 for the book Forensic Human Identification: an Introduction [1]: Iris recognition has limited forensic value, because (unlike fingerprints or DNA, for example) (1) iris

Rapid GC-MS as a Screening Tool for Forensic Fire Debris Analysis

July 6, 2022
Author(s)
Briana Capistran, Edward Sisco
Techniques developed for the screening of forensic samples can be useful for increasing sample throughput and decreasing backlog in forensic laboratories. One such technique, rapid gas chromatography mass spectrometry (GC-MS), allows for fast sample
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