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This reprint reviews 14 papers on advances in solid-phase microextraction techniques for bioanalysis, reporting no new results.

This study developed a sensitive method for analyzing nine biomarkers in hair, revealing an association between chronic tobacco smoke exposure and stress, highlighting its potential use in understanding the relationship between long-term tobacco exposure and chronic stress.

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 concluded that rosemary essential oil rich in terpenes was successfully extracted using vacuum-assisted hydrodistillation, and Solid Phase Micro Extraction was superior for identifying volatile compounds compared to direct injection.

This study found that volatile compounds from Bacillus subtilis strain WM13-24 improved root development in Arabidopsis by influencing auxin signaling.

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 reported the development of a novel and reliable liquid chromatographic method to measure testosterone and epitestosterone in human urine, offering sensitive detection for doping control.

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.

This study found that African and Caucasian hair contain the most lipids, and depletion of these lipids leads to less water retention and increased water desorption, with Caucasian hair showing improved breaking tenacity after lipid extraction.

In this study, Gaussian process regression models combined with Grey Wolf optimization were used to predict and optimize phenolic and flavonoid content extraction from Carthamus caeruleus L. rhizomes, showing high accuracy and helping improve understanding and extraction processes through a new interactive tool.

This study developed a method for extracting proteins from micro-sized human head hairs, facilitating proteomic analysis even with limited hair sample availability.

This review discusses the potential of solid-state fermentation for extracting polyphenolic compounds from agro-industrial wastes, but it reports no new experimental results.

The researchers in this experimental study developed a thermodynamic model using the Peng-Robinson equation of state to optimize gas antisolvent system conditions for controlling finasteride particle size, aiming to reduce experimental trials and precisely identify precipitation pressures across different temperatures.

This review explores the use of skin penetration enhancers like Transcutol® in various formulation systems, discussing their mechanisms and effectiveness in improving transdermal drug delivery without breaching the skin.

This study reports that a novel ketoconazole-loaded microneedle array significantly enhances drug delivery and retention in the skin, demonstrating improved hair growth in animal models, suggesting a promising treatment for androgenic alopecia that addresses current topical therapies' limitations.

This study found that a novel effervescent formulation significantly increased minoxidil sulphate accumulation in hair follicles and skin compared to a standard minoxidil solution.

In this study, methanol extracts from Thai-colored rice fermented with Aspergillus molds exhibited an increase in polyphenolic content and antioxidant activity, outperforming Thai white and Japanese white rice, notably transforming key polyphenols like quercetin and ferulic acid.

This review discusses micro-segmental hair analysis for forensic toxicology, emphasizing its potential to provide detailed drug distribution profiles and its application in investigations, while noting the method's limitations and future perspectives.

This review explores the diverse roles of rosemary, covering its nutritional and medicinal uses, cosmetic and pharmaceutical applications, and evaluates various extraction methods, with a focus on sustainable practices and commercial prospects.

This study found that Soxhlet extraction is more effective at removing the toxin mimosine from Leucaena leucocephala, and mimosine shows promise as a biodiesel additive due to its antioxidative properties.

This study found that 1-butyl-3-methylimidazolium tetrafluoroborate is the optimal ionic liquid solvent for extracting quercetin from Nothopanax scutellarium leaves.

This study developed a non-invasive, partially automated protocol for extracting high-quality DNA from hair follicles of marmosets, significantly reducing chimerism rates compared to blood, and proving reliable for whole genome sequencing in low-input DNA scenarios.

This review discusses the challenges and contradictions in understanding nanoparticle penetration and toxicity in human skin, emphasizing the need for standardized testing and further research on particles smaller than 10 nm.

In this study, low-level laser therapy significantly improved the mechanical strength of bone at tooth extraction sites in rats, while neither platelet-rich plasma alone nor combined with laser affected mechanical strength or calcium content.

This review discusses the use of lipid nanoparticles for topical and transdermal delivery of pharmaceuticals and cosmeceuticals and reports no new clinical results.

In this study, thread-embedding therapy enhanced hair regrowth in C57BL/6 mice by regulating growth factors associated with hair follicle anagen development and promoting cellular proliferation in hair follicles.

This review discusses various nanoparticles used to enhance skin permeation and target delivery to skin organelles, but reports no new experimental results.

This review outlines the development, applications, and challenges of microneedle-based drug delivery from 2000-2019, particularly highlighting fabrication techniques, but reports no new clinical results.

This study found that a 2% polyherbal phyto-complex cream containing aqueous extracts of Trichosanthes cucumerina and Abrus precatorius effectively promoted hair growth in preclinical tests, comparable to minoxidil 2%.

In this study, researchers found that microRNAs and specific target genes, such as MiR-195 and genes like CHP1, SMAD2, FZD6, and SIAH1, play significant roles in regulating hair follicle initiation in cashmere goats.