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Glossary Raman spectroscopy

technique using laser light to analyze molecular vibrations

Raman spectroscopy is a technique used to study the vibrational, rotational, and other low-frequency modes in a system. It involves shining a laser on a sample and analyzing the scattered light to gain information about the molecular composition and structure. This method is valuable in various fields, including chemistry, biology, and materials science, for identifying substances and understanding molecular interactions.

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research Discrimination between basal cell carcinoma and hair follicles in skin tissue sections by Raman micro-spectroscopy

25 citations , November 2010 in “Journal of Molecular Structure”

This preliminary study suggests that Raman micro-spectroscopy can help differentiate basal cell carcinoma from hair follicles in skin tissue sections, although some misclassification of hair follicles as carcinoma was observed.

research Conformational differences in protein disulfide linkages between normal hair and hair from subjects with trichothiodystrophy: A quantitative analysis by Raman microspectroscopy

53 citations , March 2006 in “Biopolymers”

This study suggests that increased amounts of less stable disulfide conformers in hair shafts may be linked to the brittleness observed in trichothiodystrophy.

research Raman Microspectroscopy of Hair Cuticle With Polarized Excitation: Problem of Protein Secondary and Tertiary Structure

January 2025 in “Journal of Raman Spectroscopy”

This study observed that the Raman spectra of human hair cuticle vary with polarization and direction of signal collection, identifying certain spectral bands as markers sensitive to the structural changes in keratin secondary and tertiary structures.

research Experiments in Raman Spectroscopy on Hair Follicles from Females with Androgenetic Alopecia

June 2012 in “International journal of scientific research”

In this study, Raman micro-spectroscopy did not support the hypothesis of structural changes in hair follicles due to miniaturization in women with androgenetic alopecia.

research Analysis of structural changes in permanent waved human hair using Raman spectroscopy

45 citations , December 2006 in “Biopolymers”

This study found that permanent waving treatment induces structural changes in the cortex proteins of white human hair, significantly reducing its tensile strength without altering the S-S band intensity.

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community Stop supporting Keeps and Roman, they’re price gouging you

in Finasteride/Dutasteride 360 upvotes 3 years ago

The post discusses the high cost of hair loss treatments from companies like Keeps and Roman, and suggests cheaper alternatives like GoodRx. Users share their experiences with different providers, costs, and methods of obtaining finasteride, a common hair loss treatment.

community 10 months Fin 1mg & micro needling

in Progress Pictures 260 upvotes 2 years ago

A user shared their 10-month progress using 1mg finasteride daily and micro-needling, noting significant hair regrowth and no side effects. They plan to add oral minoxidil to boost hair density.

community Been using minoxidil 6%, finasteride 0.3%, and tretinoin 0.025% for about 2 and a half months and micro needling 2 times a week

131 upvotes 2 years ago

User has been using minoxidil 6%, finasteride 0.3%, tretinoin 0.025%, and microneedling twice a week for 2.5 months. They are considering switching to oral treatments.

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Hair Transplant
Dr. Raman SharmaKarol Bāgh, Delhi · IN

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