research Untargeted Scanning 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.
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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 High-Resolution Stable Isotope Profiles of Modern Elephant (Loxodonta Africana) Tusk Dentin and Tail Hair from Kenya: Implications for Identifying Seasonal Variability in Climate, Ecology, and Diet in Ancient Proboscideans
Elephant tusks and hair reveal seasonal diet and climate changes.
research A Quantitative Ultra-Performance Liquid Chromatography High-Resolution Mass Spectrometry Analysis of Steroids from Human Scalp Hair
The method can measure multiple steroids in human hair to study long-term steroid metabolism, especially in newborns and children.
research High-Resolution Structures of Mutants Affecting Access to the Ligand-Binding Cavity of Human Lipocalin-Type Prostaglandin D Synthase
Mutations in the enzyme don't significantly change how it binds to its specific substances.
research High-Resolution Mass Spectrometric Investigation of the Phase I and II Metabolites of Finasteride in Pig Plasma, Urine, and Bile
Finasteride metabolites found in pigs match human studies, making pigs a valid model for human drug research.
research Microscopic High-Resolution Digital Volumetric Imaging of Human Hair Fibers
DVI provides detailed 3D imaging of hair and shows how various products protect and enhance hair.
research Hard X-Ray Microscopic Images of the Human Hair
High-resolution x-ray images showed three main structures in human hair: medulla, cortex, and cuticle.
research Teledermatology Service During the COVID-19 Pandemic in China: A Mobile Application-Based Retrospective Study
Teledermatology was popular among young adults and women, and high-resolution photos improved service during the pandemic.
research A Prospective Study of the Prevalence of Clear-Cut Endocrine Disorders and Polycystic Ovaries in 350 Patients Presenting with Hirsutism or Androgenic Alopecia
Most women with hirsutism or androgenic alopecia had polycystic ovaries, especially if they had irregular periods.
research A Primer for Studying Cell Cycle Dynamics of the Human Hair Follicle
The document concludes that understanding hair follicle cell cycles is crucial for hair growth and alopecia research, and recommends specific techniques and future research directions.
research Steroidomics for Highlighting Novel Serum Biomarkers of Testosterone Doping
Monitoring steroid hormones in blood can better detect testosterone doping.
research Histochemical Observation of the Cell Membrane Complex of Hair
The Cell Membrane Complex in hair has both water-attracting and water-repelling layers.
research Cheating on Forensic Hair Testing? Detection of Potential Biomarkers for Cosmetically Altered Hair Samples Using Untargeted Hair Metabolomics
Researchers found markers that can tell if hair has been bleached, which could improve hair test accuracy.
research Confocal Laser Scanning Microscopy as a Tool for the Investigation of Skin Drug Delivery Systems and Diagnosis of Skin Disorders
Confocal Laser Scanning Microscopy (CLSM) is a useful tool for studying how drugs interact with skin and diagnosing skin disorders, despite some limitations.
research A New Practical Classification for Spatial Distribution and Morphology of Human Hair: Ahmad's LGMA Classification
Dr. Muhammad Ahmad created a hair classification system to help improve hair restoration surgery outcomes.
research Simultaneous Determination of Multi-Class Active Pharmaceutical Ingredients by UHPLC-HRMS
A new method was developed to accurately detect and measure 47 different drug ingredients in various products.
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 A Correlative Fluorescent and Electron Microscopic Technique for Ultralocalization of Trichocyte Keratins
Researchers developed a new method to clearly see and label hair proteins with minimal errors using advanced freezing and microscopy techniques.
research Multiphoton Microscopic Imaging of Rabbit Dorsal Skin
Multiphoton microscopy effectively images rabbit skin structures in detail without staining and shows differences from human skin.
research Qualification of a New and Precise Automatic Tool for the Assessment of Hair Diameters in Phototrichograms
The new automatic tool accurately measures hair thickness and is reliable.
research Application of Multiphoton Microscopy in Dermatological Studies: A Mini-Review
Multiphoton microscopy is a promising tool for detailed skin imaging and could improve patient care if its challenges are addressed.
research Scraggly: A New Hair Loss Mutation on Mouse Chromosome 19
The scraggly mutation causes hair loss and skin defects in mice.
research Gray-Scale Ultrasound to Assess Persistent Erectile Dysfunction in Young Men
Gray-scale ultrasound effectively detects erectile tissue fibrosis in young men with erectile dysfunction after using finasteride.
research Videodermoscopy in the Evaluation of Hair and Scalp Disorders
Videodermoscopy improves diagnosis of hair and scalp disorders and may reduce scalp biopsies.
research Temporal Layering of Signaling Effectors Drives Chromatin Remodeling During Hair Follicle Stem Cell Lineage Progression
Different signals work together to change gene activity and guide hair follicle stem cells to become specific cell types.
research Imaging Tumor Angiogenesis with Fluorescent Proteins
Fluorescent proteins in mouse models effectively visualize tumor blood vessel growth.
research Imaging Tumor Angiogenesis With Fluorescent Proteins
Fluorescent proteins help visualize and understand tumor blood vessel growth.
research Two-Photon Microscopy for Intracutaneous Imaging of Stem Cell Activity in Mice
Two-photon microscopy effectively tracks live stem cell activity in mouse skin with minimal harm and clear images.
research Isotope Dilution-Based Targeted and Nontargeted Carbonyl Neurosteroid/Steroid Profiling
Researchers created a new method to measure brain steroids, finding higher levels of certain steroids and changes due to a drug.