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

New method quickly and accurately measures dexpanthenol in hair products.

This study developed and validated a high-resolution mass spectrometry method to screen for prohibited substances and analyze six endogenous steroids in urine according to World Antidoping Agency requirements, demonstrating its effectiveness for antidoping analysis.

This study proposes using superhydrophobic surfaces to reduce protein fouling and enable self-cleaning in microfluidic devices, detailing preparation and quantification methods for these coatings.

This study developed a rapid and sensitive method for determining finasteride concentrations in pharmaceuticals, with results comparable to those from the standard HPLC method.

This paper discusses forensic DNA phenotyping, emphasizing its ability to infer visible traits from biological samples without reference samples, but notes ethical and legal concerns related to its use.

This study developed a simple method to prepare highly concentrated, resting platelet-rich plasma suitable for cell therapy, effectively preventing clotting while maintaining platelet reactivity and minimizing hemorrhage risk.

This study developed and validated a sensitive method using adsorptive cathodic stripping voltammetry to directly determine minoxidil in topical solutions, shampoos, and creams, achieving high recovery rates and precision.

This study found that using a centrifugation speed of 1800 rpm for 10 minutes is optimal for preparing platelet-rich plasma with PRPBAG®, yielding an eightfold increase in platelet concentration.

This study found that digital droplet PCR (ddPCR) outperformed qPCR in detecting replication competent lentivirus in CAR-T products by offering better sensitivity, specificity, and reproducibility, making it a reliable and rapid method for ensuring patient safety.

This study demonstrated that a flow injection method using potassium permanganate for detecting minoxidil provided accurate recoveries and agreed closely with HPLC results, showing potential for effective analysis of commercial samples.

This study presents a new automated method for measuring total phenolic compounds in Ziziphus Jujuba fruit extract, showing high precision and potential applications in health and environmental sciences.

This study developed a high performance capillary electrophoresis method, validated for both legal and illicit minoxidil-based products, to confirm minoxidil's presence alongside known impurities.

This study developed a hat-shaped device with wearable sensors to estimate scalp moisture content using machine learning, demonstrating that it can provide accurate measurements comparable to professional scalp analyzers without the need for high-cost equipment.

This study validated a highly selective and fast LC–MS/MS method for accurately measuring levels of tadalafil and finasteride in human plasma, adhering to international bioanalytical guidelines.

This study suggests that collecting hair samples from all scalp regions may be a viable alternative for measuring cortisol in individuals with Afro-textured or extremely short hair, aligning results with traditional methods.

This study reports an improved method for determining blood type from human hair using immunohistochemistry.

This study developed and validated a sensitive and accurate UV spectrophotometric method for estimating finasteride concentrations, showing reliable results within a range of 5–25 μg/mL.

This study found that a centrifugation protocol of 1300 rpm/246 g for 20 minutes followed by 1600 rpm/373 g for 20 minutes achieved the highest platelet yield in platelet-rich plasma.

This study developed and validated a gradient reversed-phase liquid chromatographic method to effectively measure Finasteride and its related impurities in pharmaceutical bulk drugs, demonstrating high linearity and precision.

This study developed and validated a method using hair samples to simultaneously detect bisphenols and parabens, enabling the quantification of these endocrine disruptors in a hospital population’s hair.

This study proposed a simple, rapid permanganometric method for determining minoxidil concentrations in pharmaceutical samples, offering comparable accuracy to chromatographic methods with recovery rates of 94.5 to 95.2%.

This study presents a DNA-analytical method that can reliably identify and differentiate cashmere, fine wool, yak, and camel hair fibers in both untreated and processed samples.

This study reports that while DCP had similar treatment efficacy in propylene glycol and isopropanol for alopecia areata, the formulation in isopropanol was better tolerated.

In this study, the researchers reported that their proposed methods accurately determined the studied drug with good recovery rates despite the presence of oxidative degradation products.

In a study involving adults with mild to moderate dandruff, researchers observed that post-hair wash interventions significantly reduced dandruff as measured by three assessment methods, showing substantial reliability and correlation, which supports their use in clinical settings for evaluating scalp dandruff treatments.

This study developed and validated a reliable method to measure finasteride levels in human plasma, which was successfully used to assess its pharmacokinetics after a 5 mg dose in healthy volunteers.

This study applied a novel Cox regression subsampling method to massive datasets, demonstrated using UK-biobank colorectal cancer data, effectively reducing computation time and memory usage while building a risk-prediction model under certain conditions involving right-censored and potentially left-truncated data with rare events.