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This study developed a new method using liquid chromatography-tandem mass spectrometry to measure multiple steroid hormones in hair, requiring significantly fewer strands than previous methods, with high accuracy and precision.

The new method can measure sleep-related hormones in hair effectively and could help track long-term sleep patterns.

This study found that improved testosterone measurement using LC-MS/MS in women with PCOS revealed a stronger correlation between hyperandrogenism and insulin resistance than previously detected.

This study suggests that analyzing hair samples with a liquid chromatography-mass spectrometric assay may offer a reliable method to measure average quarterly vitamin D levels, potentially complementing blood tests.

This study developed a method to measure local steroid hormone concentrations in hair, providing new insights into hormone dynamics associated with androgenetic alopecia.

This study found that hair from the vertex posterior is a reliable sampling region for detecting zolpidem intake, showing consistent drug concentration and peak position compared to other scalp regions.

This study found that microplastics on the Lebanese Mediterranean coast transport various organic and inorganic pollutants, posing threats to marine organisms and potentially human health.

The researchers reported that epitestosterone treatment reduced eicosanoid levels generated by cyclooxygenases and lipoxygenases in rabbit liver samples with carrageenan-induced inflammation.

This study identified seven new compounds from the plant Sansevieria trifasciata Prain and predicted that four of them may have better anti-alopecia activity than minoxidil through an in silico approach.

This study found that 42% of red yeast rice dietary supplements did not list monacolin concentrations on their labels, and only half of those that did contained the declared amounts.

This study using high-performance liquid chromatography reported that mice with more diverse gut microbiota had higher levels of specific compounds in hair compared to those with less diversity, with stress affecting certain plasma levels.

This study developed a new measurement procedure using isotope dilution-liquid chromatography-tandem mass spectrometry for accurate quantification of DHEAS in human serum or plasma, demonstrating high selectivity, sensitivity, and low measurement uncertainty, making it suitable for routine standardization and clinical evaluation.

This study establishes a robust analytical method using mass spectrometry to comprehensively identify 170 chemical compounds in Xiaoban Kangfu capsules for enhanced quality control.

This study developed a method using UHPLC-MS/MS and MSPE to detect trace amounts of sex hormones in cosmetics, finding progestins and estrogens in some products, and performed a preliminary safety evaluation for residual progesterone in hair loss prevention cosmetics.

This study used metabolomics to identify distinctive metabolic and phenolic profiles in American ginseng (Panax quinquefolius) from various regions, revealing specific biomarkers that can help differentiate between ginseng from Northeast China, Shandong, and the United States.

This study comparatively evaluated different extraction techniques for Schinus terebinthifolius Raddi leaf extracts and found that conventional extraction with ethanol yielded the highest antioxidant activity and beneficial effects on skin cell viability, supporting its potential use in sustainable cosmeceutical formulations targeting skin aging.

This study concluded that the liquid chromatography-mass spectrometry method developed is viable for accurately quantifying spironolactone and its metabolite canrenone in plasma despite interference from plasma components.

This study found that ethyl acetate extract from peanut stems demonstrated very strong antioxidant properties and moderate cytotoxic activity against MCF-7 cell lines in in-vitro and in-silico settings.

This study developed and validated a highly sensitive LC-MS/MS method for detecting multiple steroid hormones in urine and serum/plasma, demonstrating its potential for use in large-scale biomonitoring studies.

This study concluded that the formulated polyherbal shampoo is a chemical-free product with nourishing, conditioning, cleansing, and antimicrobial effects.

This study found that hair shaft keratin proteins can be reliably identified from samples as small as 0.12 cm, suggesting their potential forensic utility with typical casework sample sizes.

This study found that untargeted hair metabolomics analysis detected significantly altered endogenous biomolecules, potentially serving as biomarkers for identifying oxidative cosmetic hair treatments like bleaching.

In this study, hUCMSCs-Exo significantly accelerated wound healing in rat perianal fistulas with notable safety, potentially through the activation of the HIF-1α/TGF-β/Smad signaling pathway.

In this study, researchers found that human ovaries at different life stages biosynthesize both canonical and non-canonical steroid hormones, with fetal ovaries showing higher enzyme activity related to estradiol and testosterone conversion compared to adult tissues.

This study demonstrated that GP derivatization improves mass spectral analysis of spironolactone and its metabolites by reducing in-source fragmentation and enhancing signal clarity, laying the groundwork for future advancements in reaction optimization and quantitative assay development.

This study found that bufotalinin, derived from Merremia peltata leaves, may enhance hair growth by acting as a potential androgen receptor antagonist in rabbits.

In this study, L-cysteine treated with the Trivedi Effect® showed significantly increased isotopic abundance ratios, which may enhance its stability and shelf-life.

This review examines recent advancements in green and emerging microextraction techniques, such as SPME and DLLME, for more sustainable hormone detection in biological samples, emphasizing environmentally friendly solvents and bioanalytical applications.

This study found that Eclipta alba (L.) cultivated in France exhibited significant anti-inflammatory, antioxidant, and anti-collagenase activities, attributed mainly to compounds like wedelolactone and demethylwedelolactone, suggesting potential use as an anti-aging cosmetic ingredient.

This study developed a protocol for callus induction and found that certain hormone concentrations enhance the production of flavonoids, phenols, and terpenes in Bituminaria bituminosa.