research Long-term detection of methyltestosterone (ab-) use by a yeast transactivation system
A yeast-based test can detect the steroid methyltestosterone in urine longer than traditional methods.
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60-90 / 1000+ results research Hair analysis for monitoring drug use
Hair analysis can effectively monitor long-term drug use.
research Role of GABA-active neurosteroids in the efficacy of metyrapone against cocaine addiction
Neurosteroids may help metyrapone reduce cocaine addiction.
research Hair analysis for cannabinoids and amphetamines in a psychosis incidence study
Hair analysis for drugs in psychosis patients is unreliable due to varying hair growth rates.
research Treatments against hair loss may hinder cocaine and metabolites detection
Minoxidil can make it hard to detect cocaine in hair tests.
research Amphetamine and N-Acetylamphetamine Incorporation into Hair: An Investigation of the Potential Role of Drug Basicity in Hair Color Bias*
Basic drugs like amphetamine are absorbed more in darker hair than lighter hair.
research A fast liquid chromatographic/mass spectrometric screening method for the simultaneous detection of synthetic glucocorticoids, some stimulants, anti‐oestrogen drugs and synthetic anabolic steroids
A quick method effectively detects banned substances in urine.
research (Un)targeted Scanning of Locks of Hair for Drugs of Abuse by Direct Analysis in Real Time–High-Resolution Mass Spectrometry
A new method can quickly and accurately detect drugs in hair.
research ς1Receptor-Related Neuroactive Steroids Modulate Cocaine-Induced Reward
Neuroactive steroids affect cocaine's rewarding effects through the ς1 receptor.
research UPLC-MS/MS method for the simultaneous quantification of caffeine and illicit psychoactive drugs in hair using a single-step high-speed grinding extraction – Insights into a cut-off value for caffeine abuse
The conclusion is that a new method can measure caffeine and drugs in hair, finding caffeine abusers have 70 times more caffeine than normal, with a proposed cut-off value for abuse.
research Hair loss due to methylphenidate use: A case study
Methylphenidate can cause hair loss, which stops when the drug is discontinued.
research A rapid screening LC‐MS/MS method based on conventional HPLC pumps for the analysis of low molecular weight xenobiotics: application to doping control analysis
A quick method was developed to detect banned substances in urine for doping control.
research Ultrastructural alterations and environmental exposure influence the opiate concentrations in hair of drug addicts
Environmental factors can greatly reduce drug levels in hair.
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 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 The Assessment and Treatment of Geezers
Amphetamines may not directly cause hair loss.
research Sigma 1 receptor-related neuroactive steroids modulate cocaine-induced reward.
Neuroactive steroids affect cocaine's rewarding effects through the sigma1 receptor.
research Alopecia and Amphetamine Use-Reply
Amphetamines may not directly cause hair loss, as the type of thinning seen with their use differs from severe alopecia.
research Analysis of metabolic characteristics of epristeride in zebrafish based on LC-Q-TOF MS and its potential applications in doping control
Epristeride's metabolism in zebrafish helps improve doping detection methods.
research Effects of non-contingent cocaine on 3alpha-androstanediol. I. Disruption of male sexual behavior
Cocaine impairs male sexual behavior and alters testosterone metabolism in the brain.
research Effects of Restraint Stress and Allopregnanolone Inhibition on Amphetamine Locomotor Sensitivity
Targeting neurosteroids may help prevent drug relapse.
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 Metabolic study of androsta-1,4,6-triene-3,17-dione in horses using liquid chromatography/high resolution mass spectrometry
The study found that urine metabolites M1b or M4 are the best indicators of ATD use in horses, with detection possible up to 77 hours in urine and 28 hours in blood.
research Medications Altering Sex Hormone Balance and Risk of Advanced Liver Disease in HCV-infected Males
Methadone may worsen liver fibrosis in males with HCV.
research Intérêt des cheveux dans le diagnostic, la prise en charge et le suivi des sujets dépendants
Hair analysis is crucial for diagnosing, managing, and monitoring addiction.
research Validity of methyl mercury hair analysis: mercury monitoring in human scalp/nude mouse model
Human scalp hair on mice can effectively monitor mercury exposure.
research Change in Hair Color in Mice Induced by Injection of α-MSH
Injecting α-MSH made mice's hair turn black.
research Isolation and structural identification of a novel minoxidil analogue in an illegal dietary supplement: triaminodil
A new minoxidil-like substance, triaminodil, was found in an illegal hair growth supplement.
research Megestrol Acetate Increases the Proliferation, Migration, and Adipogenic Differentiation of Adipose-Derived Stem Cells via Glucocorticoid Receptor
Megestrol acetate helps fat-derived stem cells grow, move, and turn into fat cells through a specific receptor.
research Mental, Behavioral And Physical Effects Of Power Enhancing Drugs In Chronic Users
Power-enhancing drugs can cause mood swings, aggression, anxiety, and physical side effects, questioning their overall benefits.