research Issues About Axial Diffusion During Segmental Hair Analysis
Wait 4-5 weeks after drug use before hair testing and cut hair into three segments to confirm single drug exposure.
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30 / 1000+ resultsresearch Segmental Hair Analysis for 11-Nor- 9-Tetrahydrocannabinol-9-Carboxylic Acid and the Patterns of Cannabis Use
THCCOOH levels in hair decrease from root to tip and don't match well with self-reported cannabis use.
research Segmental hair analysis - a retrospective testosterone diary?
Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
research Different localizations of drugs simultaneously administered in a strand of hair by micro‐segmental analysis
Drugs localize differently in hair strands based on their properties.
research Possibility of drug-distribution measurement in the hair of drowned bodies: evaluation of drug stability in water-soaked hair using micro-segmental analysis
Drugs in drowned bodies' hair remain stable in natural water, aiding forensic analysis.
research Micro-segmental analysis of the entry pathway and distribution of zolpidem in hair from different scalp regions after a single dose
Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.
research Segmental analysis of human hair reveals intra-annual variation in 25(OH)D3 concentrations in modern and archaeological individuals
Hair analysis can show changes in vitamin D levels over time.
research Micro-segmental hair analysis: detailed procedures and applications in forensic toxicology
Micro-segmental hair analysis helps detect drug use patterns and estimate drug consumption days.
research Development of an improved method to estimate the days of continuous drug ingestion, based on the micro‐segmental hair analysis
Researchers improved a method to more accurately estimate when and how long a drug was taken using hair analysis.
research Analysis of sequential hair segments reflects changes in the metabolome across the trimesters of pregnancy
Hair analysis can reveal metabolic changes and potential pregnancy complications.
research Analysis of Mercury in Sequential Micrometer Segments of Single Hair Strands of Fish-Eaters
LA-ICP-MS can effectively track mercury exposure over time in hair.
research Evaluation of a new X-ray fluorescent analysis technique for the creation of a Nordic hair database: elemental distributions within the root and the virgin segment of hair fibers.
The new X-ray technique allows for precise and non-destructive measurement of elements in hair, creating the first database of its kind for a specific ethnic group.
research Ocfentanil testing in hair from a fatality case: Comparative analysis of a lock of hair versus a single hair fiber
Both a lock of hair and a single hair strand can show chronic drug use, but at least six single hairs are needed for accurate results.
research Bioinformatics analysis of EST segment from goat
Goat skin has more keratin genes, while the mammary gland has more immunity-related genes.
research Fast clinical response with topical ruxolitinib in the management of non-segmental vitiligo detected by VISIA<sup>®</sup> analysis system
Topical ruxolitinib quickly improves non-segmental vitiligo.
research Response to Park et al. on the Clinical Use of Hair Diameter Diversity in Androgenetic Alopecia
Hair diameter diversity could improve androgenetic alopecia assessment and treatment planning.
research Variation in Muskox (Ovibos moschatus) Guard Hair Growth Rates: Implications for Measuring Chronological Biomarkers
Muskox hair growth rates vary widely, so a single growth rate can't be used for all populations.
research Original article / Article original External post mortem artefact: a key issue in hair result interpretation
Hair test results can be misleading due to external contamination, so they shouldn't be used alone to assess long-term drug use.
research Grey, curly and short-haired Swiss Holstein cattle show genetic traces of the Simmental breed
Swiss Holstein cattle with curly, short hair carry genes from the Simmental breed.
research Testosterone Analysis in Hair
The method shows hair testosterone levels reflect those in saliva, but are affected by various factors and may indicate a risk for heart attack.
research A Review on Forensic Toxicological Analysis of Drugs in Hair using Various Instrumental Techniques
Hair analysis is better than urine and blood for detecting past drug use.
research The validation of estradiol extraction and analysis from hair
Hair can reliably measure average estradiol levels over months in humans and monkeys.
research Hair Shaft Abnormalities. Pili Bifurcati: A Scanning Electron Microscopy Analysis
The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.
research Regeneration of a New Hair Follicle from the Upper Half of a Human Hair Follicle in a Nude Mouse
The upper half of a human hair follicle can grow a new hair in a mouse, but success is rare.
research Higher cortisol content in hair among long-term unemployed individuals compared to controls
Long-term unemployment leads to higher stress levels.
research Testing for GHB in Hair by GC/MS/MS after a Single Exposure. Application to Document Sexual Assault
Hair testing can detect a single GHB exposure, useful for documenting sexual assault.
research O1: Contribution of in-utero drug exposure when interpreting hair results in young children
Hair analysis alone can't confirm long-term drug exposure in children under 1 year old.
research Molecular cloning,sequence analysis and expression of goat Edagene
The Eda gene helps regulate the hair cycle in goats.
research HAIR KERATINIZATION IN HEALTH AND DISEASE
Understanding intermediate filaments helps explain hair health and related diseases.
research Towards Best Practice in Hair Metabolomic Studies: Systematic Investigation on the Impact of Hair Length and Color
Hair color and length affect metabolite profiles in hair, so they should be considered in hair analysis.