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This study synthesized and characterized new 2-hydroxypyrrolidine/piperidine derivatives using FeCl₃·6H₂O as a catalyst, but it reports no biological or clinical results.

This study analyzes contemporary theories and practices to understand key factors influencing the development of the examined phenomenon, proposing trends and practical applications for researchers and practitioners, while acknowledging study limitations and suggesting future research directions.

This study found that N‐AOHPA was particularly effective as a silicone emulsifier for improving the condition of damaged hair by preventing amino acid dissolution from bleached hair.

This study discusses the effects of incorporating various amino acids in hair care products, noting improvements in hair surface properties and color retention when integrated with conditioners.

In this study, the synthesis of C-4 and C-6 bridged haptens of 11 alpha-hydroxyprogesterone revealed an unexpected formation of a C-4 substituted product using a 6-bromo derivative, contrary to prior reports.

This study found that chemically modifying hair with 2-iminothiorane hydrochloride improved the permanence of hair setting without damaging the hair by increasing disulfide bonds.

This study investigated the electron transfer processes in an iron-mediated DAMO–anammox system, finding that Fe3+ accelerated c-type cytochrome-mediated electron transfer and suggested that riboflavin acts as an electron shuttle and DIET may occur among these microorganisms.

This animal study found that intravenous administration of anionic squarticles, a lipid nanoemulsion, increased survival rates in rats with amitriptyline overdose by mitigating adverse effects and restoring normal blood pressure, highlighting its potential as a detoxifying antidote.

This study reports that difluoromethyl nitrile oxide can rapidly functionalize various alkenes at room temperature, leading to products that can transform into valuable medicinal chemistry building blocks like CF2H-isoxazolines for bioactive molecule modification.

This study found that a food supplement improved skin moisturization, elasticity, and thickness, reduced telogen hair density, and enhanced nail status in women with mild-to-moderate aging signs after 84 days.

This study characterized the crystal structures and supramolecular architectures of new salts made from 2,4-diaminopyrimidine and different dicarboxylic acids, revealing subtle differences in crystal packing and hydrogen-bonding patterns, particularly influenced by sulfur atom interactions, through Hirshfeld analysis and enrichment ratios.

This study found that the alkaline degradation process of hair keratin using nucleophilic reagents led to different proportions of reaction products compared to wool, particularly more lanthionine and lysinoalanine residues.

This study suggests that the ANE syndrome mutation in yeast Nop4, analogous to human RBM28, disrupts protein folding and protein-protein interactions, contributing to ribosomal dysfunction.

This study found that enzymatic conversion of Arg-51 in S100A3 protein to citrulline promotes homotetramer assembly, potentially increasing Ca²⁺ binding required for hair cuticular barrier formation.

This study investigated the formation of a specific chemical crosslink in hair proteins and explored the role of transamidase enzymes in hair follicles.

Specific cross-linkages help make hair proteins stable and strong.

High temperatures and certain chemicals can significantly change the amino acid content in human hair.

This study found that the cocrystal of mycophenolic acid with isonicotinamide significantly improved solubility and dissolution rate, while two other cocrystals showed decreased performance in these areas.

Cold waving solutions quickly reduce cystine to cysteine in hair.

Made 8 minoxidil samples; 1 cocrystal, 7 salts formed.

This study reports a novel method for synthesizing substituted hydantoins, including the anticonvulsant drug ethotoin, using safer reagents and fewer steps compared to conventional protocols.

This study investigated the effect of peracetic acid treatment on hair fiber structure and found that disulfide bond oxidation altered thermal properties while preserving the α-crystal structure, suggesting different stabilizing interactions in hair fibers.

In this animal study, agmatine exhibited a protective effect against seizures related to hormone fluctuations, with results suggesting that its anticonvulsant properties may involve interactions with central neurosteroids in female rats experiencing progesterone withdrawal.

This chapter discusses the synthesis and analysis of near-infrared fluorescent activity-based probes for imaging cysteine protease activity, reporting potential benefits for disease diagnosis but noting challenges in imaging specific locations with high cathepsin activity.

The lotion helps manage mild to moderate hair loss.

This study suggests that residues Val-889 and Arg-752 in the androgen receptor's steroid binding domain are crucial for NH2-/carboxyl-terminal interaction, affecting receptor stability and function.

This study found that altered amino acid metabolism, specifically involving glutamic and aspartic acids, promotes neurovascular reactivity in rosacea, suggesting a potential metabolic target for treatment.

Defective protein folding due to a mutation is key in ANE syndrome.