April 2020 in “International Journal of Cosmetic Science” The study found that minor protein differences between curved and straight Japanese hair are unlikely to significantly affect hair structure.
January 2019 in “The Review of Laser Engineering” Multiphoton excitation microscopy is a promising tool for deep tissue imaging and clinical applications.
43 citations
,
September 2001 in “Scanning” Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.
August 2000 in “Microscopy and Microanalysis” The method successfully visualizes iodine in biological tissues.
45 citations
,
December 2004 in “Forensic Science International” Laser microdissection helps get DNA from single hair follicles for better forensic analysis.
Curly wool has more orthocortex than straight wool.
July 2019 in “Journal of Drug Delivery and Therapeutics” The method accurately measures finasteride in bulk and dosage forms.
2 citations
,
September 2018 in “Journal of Separation Science” PSI-MS quickly and accurately measures finasteride in tablets, helping with quality control.
2 citations
,
May 2021 in “Journal of pharmaceutical and biomedical analysis” A new method was developed to accurately detect and measure 47 different drug ingredients in various products.
January 2013 in “Wool textile journal”
2 citations
,
January 2020 The document describes a method for preparing hair for microscopy by embedding it in plastic, cutting it, and storing it cold before imaging.
2 citations
,
March 2025 in “PNAS Nexus” Raman spectroscopy can detect radiation exposure in mouse hair with high accuracy for up to 7 days.
36 citations
,
November 2005 in “Forensic Science International” BioPlex-11 improves DNA profiling from telogen hair roots in forensic work.
October 2025 in “Experimental & Molecular Medicine” Hair analysis is valuable for health and forensics but faces challenges like growth variability and contamination.
15 citations
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January 2015 in “Analytical Methods” Method accurately measures finasteride in tablets using finasteride-BSA interaction.
1 citations
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January 2007 in “AIP conference proceedings” High-resolution x-ray images showed three main structures in human hair: medulla, cortex, and cuticle.
January 2017 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Sunlight and chemical treatments change hair's internal structure differently, needing specific care.
January 1997 in “Purdue e-Pubs (Purdue University)” Whole hair strands can reliably measure gamma ray exposure using ESR techniques, but samples should be analyzed quickly or stored in liquid nitrogen.
2 citations
,
August 1987 in “Analytical Biochemistry” A new method isolated previously undetected hair proteins rich in glycine and tyrosine.
29 citations
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August 2005 in “Biopolymers” L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.
16 citations
,
April 2017 in “ACM Transactions on Graphics” Light scatters differently from elliptical hair fibers than from circular ones, and a new model better predicts this behavior, especially for shiny highlights.
Hair microscopy is a useful and affordable way to diagnose hair disorders.
1 citations
,
May 2025 in “Journal of the Indian Chemical Society” January 1980 in “中国科学A辑(英文版)” The protein structures in the hair and tendon were preserved, but their molecular arrangements changed.
46 citations
,
December 2018 in “Biomedical Optics Express” Raman spectroscopy could effectively guide skin cancer surgery by identifying tumor margins.
January 2003 in “Research Portal (King's College London)” Hair color affects light reflection, with black hair having higher cuticle angles and lighter hair showing less specular reflection.
June 2025 in “Journal of Ultrasound in Medicine” High-frequency ultrasound effectively evaluates and diagnoses frontal fibrosing alopecia.
5 citations
,
November 2003 in “PubMed” Chemical treatments and light exposure damage hair proteins.
4 citations
,
January 2002 in “Indian Journal of Pharmaceutical Sciences” A new method accurately measures finasteride in tablets using color change and light absorption.