Hair analysis

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Dyed Hair and Swimming Pools: The Influence of Chlorinated and Nonchlorinated Agitated Water on Surface-Enhanced Raman Spectroscopic Analysis of Artificial Dyes on Hair

Date Published

October 2024

Publication Type

Research (Applied/Empirical)

Agencies

NIJ-Sponsored

Microscopical Discrimination of Human Head Hairs Sharing a Mitochondrial Haplogroup

Date Published

January 2021

Publication Type

Research (Applied/Empirical)

Agencies

NIJ-Sponsored

Forensic Discrimination of Dyed Hair Color: II. Multivariate Statistical Analysis

Date Published

January 2011

Publication Type

Report (Study/Research)

Agencies

NIJ-Sponsored

Forensic Discrimination of Dyed Hair Color: I. UV-Visible Microspectrophotometry

Date Published

March 2010

Publication Type

Report (Study/Research)

Agencies

NIJ-Sponsored

Surface-enhanced Raman spectroscopy in Forensic Analysis

Date Published

August 2024

Publication Type

Research (Applied/Empirical)

Agencies

NIJ-Sponsored

Detecting Fentanyl Use Through Court-Ordered Mandatory Drug Testing

Date Published

September 2024

Publication Type

Research (Applied/Empirical)

Agencies

NIJ

Detecting Fentanyl Use Through Court-Ordered Mandatory Drug Testing

Date Published

September 26, 2024

Researchers develop a more accurate picture of fentanyl use prevalence among people under court-ordered mandatory drug testing.

Age estimation from epigenetic features of hair DNA

15PNIJ-24-GG-03843-SLFO

Open

Funding First Awarded

2024

$640,358

Development of new cocaine hair testing guidelines: investigation of decontamination protocols, damage/adulteration evaluation, and cosmetic treatment impact

15PNIJ-24-GG-03852-SLFO

Open

Funding First Awarded

2024

$185,870

Addressing the Challenges of Detecting Drug-Facilitated Sexual Assault

Date Published

September 12, 2024

NIJ has funded research to address the challenges of detecting DFSA for several years. This research includes projects that examine ways to improve forensic hair testing and how drugs modify blood proteins.

Detecting Drugs in Hair: Is It Drug Use or Environmental Contamination?

Using Surface-enhanced Raman Spectroscopy to Probe Artificial Dye Degradation On Hair Buried in Multiple Soils For Up To Eight Weeks

Date Published

March 2024

Agencies

NIJ-Sponsored

Prevalence of Fentanyl and Its Analogues in a Court-Ordered Mandatory Drug Testing Population

Date Published

2024

Publication Type

Research (Applied/Empirical)

Agencies

NIJ-Sponsored

Strontium Isotope Ratios of Human Hair Record Intra-City Variations in Tap Water Source

Date Published

2018

Publication Type

Research (Applied/Empirical), Report (Study/Research), Report (Grant Sponsored), Program/Project Description

Agencies

NIJ-Sponsored

Preservation of Hair Stable Isotope Signatures During Freezing and Law Enforcement Evidence Packaging

Date Published

December 2018

Publication Type

Research (Applied/Empirical), Report (Study/Research), Report (Grant Sponsored), Program/Project Description

Agencies

NIJ-Sponsored

Evaluation of ForenSeq Signature Prep Kit B on Predicting Eye and Hair Coloration as Well as Biogeographical Ancestry by Using Universal Analysis Software (UAS) and Available Web-tools

Date Published

2019

Publication Type

Research (Applied/Empirical), Report (Study/Research), Report (Grant Sponsored), Program/Project Description

Agencies

NIJ-Sponsored

Comparison of Protein Expression Levels and Proteomically-Inferred Genotypes Using Human Hair From Different Body Sites

Date Published

July 2019

Publication Type

Research (Applied/Empirical), Report (Study/Research), Report (Grant Sponsored), Program/Project Description

Agencies

NIJ-Sponsored

Meta-Analysis of Genome-wide Association Studies Identifies 8 Novel Loci Involved in Shape Variation of Human Head Hair

Date Published

February 2018

Publication Type

Research (Applied/Empirical), Report (Study/Research), Report (Grant Sponsored), Program/Project Description

Agencies

NIJ-Sponsored

A Novel Method for the Detection of Cocaine in Hair using a Freeze/Thaw Method and GC/MS Analysis

Date Published

2012

Publication Type

Research (Applied/Empirical)

Agencies

NIJ-Sponsored

Elucidation of the effect of heat exposure on hair colored by permanent and semipermanent colorants using surface-enhanced Raman spectroscopy

Date Published

2023

Publication Type

Research (Applied/Empirical)

Agencies

NIJ-Sponsored

Multi-isotopes in human hair: A tool to initiate cross-border collaboration in international cold-cases

Date Published

2022

Publication Type

Research (Applied/Empirical)

Agencies

NIJ-Sponsored

NIJ Awards $16M to Support Forensic Science Research

On September 26, 2023, NIJ announced $16 million in new funding to support 33 projects under the FY23 Research and Development in Forensic Science for Criminal Justice Purposes solicitation. Through this program, NIJ continues to advance the speed, accuracy, and reliability of forensic analysis, which ultimately bolsters the administration of justice.

Funding Highlights for Fiscal Year 2023

Since 2009, NIJ has invested nearly $300 million...

Surface-enhanced Raman spectroscopy hair analysis after household contamination

Date Published

2023

Publication Type

Research (Applied/Empirical)

Agencies

NIJ-Sponsored

Optimizing Analytical Parameters for Detection of Chronic and Single Dose Drug Exposure in Forensic Hair Analysis

15PNIJ-23-GG-04208-MUMU

Open

Funding First Awarded

2023

$431,892

Capturing nuclear DNA from hair shafts

15PNIJ-23-GG-04209-DNAX

Open

Funding First Awarded

2023

$413,504