Hair test results can be misleading due to external contamination, so they shouldn't be used alone to assess long-term drug use.
2 citations
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May 2023 in “International Journal of Molecular Sciences” Gene expression in hair follicles can help diagnose methamphetamine use disorder.
1 citations
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July 2021 in “Forensic science international” 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.
9 citations
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January 2025 in “Droplet” Precise cell manipulation technologies are advancing but still face challenges in improving accuracy for medical use.
September 2024 in “Research Repository Universitas Islam Negeri Maulana Malik Ibrahim (University of Southampton)” The optimized chia seed oil shampoo is effective and meets quality standards.
October 2024 in “UNESP Institutional Repository (São Paulo State University)” Straightening and dyeing damage hair structure.
1 citations
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July 2023 in “International Journal of Pharmaceutical Sciences and Drug Research” The HPTLC method is effective and accurate for measuring linoleic and oleanolic acid in Eclipta alba.
1 citations
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August 2006 in “International forensic science and investigation series” Hair testing is a reliable method for detecting workplace drug use when done with proper sample preparation and confirmation.
November 2025 in “Communications Biology” Human hair contains many different molecules that change along its length, influenced by personal care products.
50 citations
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December 2000 in “Journal of Pharmaceutical Sciences” Hair follicles significantly enhance electroosmotic transport during iontophoresis.
2 citations
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June 1983 in “Proc., Annu. Meet., Air Pollut. Control Assoc.; (United States)” Ingesting minoxidil can cause severe health issues, requiring urgent medical treatment.
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Low calcium and dietary issues may contribute to hair loss.
3 citations
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July 2003 in “PubMed” The research found a way to measure hair surface changes by analyzing how light reflects off of it, and determined hair cuticle angles vary by hair length and color.
October 2024 in “Zeitschrift für angewandte Mathematik und Physik”
29 citations
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February 1996 in “Journal of Chromatography B: Biomedical Sciences and Applications” New method detects finasteride in plasma quickly and accurately without clean-up.
9 citations
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March 2007 in “Hair transplant forum international” Densitometry and video-microscopy are precise for evaluating hair loss and transplant success but need special equipment and training.
5 citations
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June 2020 in “Therapeutic drug monitoring” Hair sample weight is a better measure for cortisol levels in hair than hair protein concentration.
6 citations
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May 2014 in “Biomarkers and Genomic Medicine” Charnoly bodies could be a marker for cell damage, and certain nutrients and proteins might prevent them, potentially helping with brain diseases and cancer.
2 citations
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January 2006 in “International Journal of Cosmetic Science” The study found that certain conditioning compounds can penetrate hair and potentially improve its resistance to damage.
October 2023 in “Journal of the Endocrine Society” Machine learning identified three unique subtypes of androgen excess in women with PCOS, each with different metabolic risks.
January 2026 in “RSC Advances” Epristeride's metabolism in zebrafish helps improve doping detection methods.
5 citations
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August 2023 in “Preprints.org” Droplet-based microfluidics improves delivery of bioactive compounds in food using precise encapsulation and release.
9 citations
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January 2017 in “Ginekologia Polska” A higher testosterone to dihydrotestosterone ratio may indicate worse metabolic health in women.
5 citations
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March 2011 in “Proceedings : 格差センシティブな人間発達科学の創成=Science of human development for restructuring the "gap widening society"” A new imaging technique accurately measures hair follicle density and angles for better hair transplants.
23 citations
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December 2006 in “Evaluation and Program Planning” The document suggests a new model for evaluating public research that better captures the full value of knowledge creation and use, using PCOS research as an example.
13 citations
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June 2011 in “International Journal of Cosmetic Science” Human hair absorbs calcium and magnesium from tap water, affecting its structure and styling properties.
February 2023 in “Default Digital Object Group”
January 2022 in “Function” Studying rare genetic disorders can help us understand and treat common diseases better.
The research shows how certain drugs can form stable structures with polymers, which is important for making new pharmaceuticals.
27 citations
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October 2001 in “Journal of Medicinal Chemistry” Researchers found new potential but less potent rat enzyme inhibitors using a 3D model.