January 2007 in “Chinese Journal of Analysis Laboratory” This study proposed a method to determine residual levels of dichloromethane and chloroform in finasteride using SPME-GC, reporting high linear correlation coefficients for both solvents.
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October 2018 in “Journal of Mind and Medical Sciences” This study developed a straightforward HPTLC method for detecting nicotine and cotinine in human plasma and urine, concluding that liquid-liquid extraction with methanol: chloroform: ammonia achieved optimal separation and is applicable for forensic analysis of lethal nicotine intoxication.
January 2007 in “Journal of Instrumental Analysis” This study found that using headspace capillary gas chromatography effectively determined the levels of residual organic solvents, including chloroform and dichloromethane, in finasteride with good separation and detection limits.
January 2023 in “Applied sciences” This study suggests that Equisetum debile extracts, particularly the ethyl acetate fraction, may offer natural cosmeceutical benefits for treating hyperpigmentation, delaying skin aging, and remediating hair loss due to androgenic alopecia.
January 2024 in “Natural product research” This study analyzed the bioactive compound profiles of Allium longisepalum from Iran, finding unique metabolites with potential antioxidant, allelopathic, antibacterial, anti-inflammatory, anticarcinogenic, and hair growth-enhancing properties, revealing the plant's chemical diversity and therapeutic potential.