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GlossaryFourier Transform Infrared Spectroscopy

measures how materials absorb infrared light to identify their composition

Fourier Transform Infrared Spectroscopy (FTIR) is an analytical technique used to identify organic, polymeric, and, in some cases, inorganic materials by measuring how they absorb infrared light. It provides a molecular fingerprint of the sample, allowing scientists to determine its chemical composition and structure.

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research Attenuated Total Reflection Fourier Transform Infrared Spectroscopy Analysis of Human Hair Fiber Structure

19 citations, May 2008 in “Applied spectroscopy”

Human hair has different protein structures in its cuticle and cortex.

research Action of Thioglycolic Acid and L-Cysteine on Disulfide Cross-Links in Hair Fibers During Permanent Waving Treatment

18 citations, January 2008 in “Sen'i Gakkaishi”

Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.

research Secondary Structure Estimation and Properties Analysis of Stretched Asian and Caucasian Hair

9 citations, July 2014 in “Skin research and technology”

Stretching damages Caucasian hair's structure more easily than Asian hair.

research Comparison of Damage to Human Hair Fibers Caused by Monoethanolamine- and Ammonia-Based Hair Colorants

4 citations, March 2014 in “PubMed”

Monoethanolamine-based hair colorants can cause more damage to hair than ammonia-based ones.

research Development of a Stiffness-Angle Law for Simplifying the Measurement of Human Hair Stiffness

3 citations, January 2018 in “International Journal of Cosmetic Science”

Hair stiffness increased by 13.2% after caffeine treatment, validating the Stiffness-Angle Law as an effective measurement method.

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community Evan Fournier's VLOG

8 upvotes 5 years ago

Evan Fournier, an NBA player, experienced rapid hair loss despite using finasteride and minoxidil, showing that even wealthy individuals can struggle with hair loss. His teammates suggested he shave his head, highlighting the emotional impact of hair loss.