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This study identified the main secondary metabolites in Ziziphus jujuba seeds and confirmed that UPLC-MS/MS and GC-MS effectively demonstrate their pharmaceutical quality.

This study developed and validated a highly sensitive method using ultrahigh-performance liquid chromatography with tandem mass spectrometry for accurately analyzing nine neuroactive steroids in human serum, which could enhance understanding of disease pathophysiology and support new biomarker and therapeutic discovery.

This study describes a new method using high-resolution mass spectrometry for analyzing multiple steroids in human scalp hair, with newborn hair showing the highest steroid concentrations among examined age groups.

This study developed a fast and sensitive ultra-high performance liquid chromatography method to quantify ketoconazole in antidandruff emulsions, showing comparable results to labeled concentrations.

This study used a newly validated method to find that one-year finasteride treatment resulted in no significant differences in urinary androgen and prostaglandin levels between male pattern baldness patients and normal controls.