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Matrix effects in LC-MS can be managed but not completely avoided.

Accurate quantitative bioanalysis using LC-MS/MS is challenging due to matrix effects, but using internal standards and new methods like in-sample calibration could improve results.

Red Ginseng Extract may help human hair grow by activating growth pathways and blocking negative effects of certain hormones.

Antiviral drugs, especially daclatasvir, may be a new treatment for a rare skin disease, improving survival and reducing symptoms in mice.

A new method accurately measures steroid hormones in a few hair strands and could help study chronic stress and hair loss.

Hair analysis can help diagnose adrenal disorders non-invasively.

Method detects finasteride in plasma at very low concentrations.

Human hair is a significant sample for various tests in clinical, nutritional, archaeological, and forensic studies.

The study developed a tool to predict how gut microbes process foods and drugs, showing that similar compounds often share metabolic pathways and effects.

Finasteride and analogues separated using LC-MS-MS technique.

Hair testing is a reliable method for detecting workplace drug use when done with proper sample preparation and confirmation.

Hair elemental analysis could be useful for health and exposure assessment but requires more standardization and research.

A new method was developed to accurately detect and measure 47 different drug ingredients in various products.

A new method was created to analyze certain chemicals in the urine of alopecia areata patients, revealing they have higher metanephrine content. This method can also be used for other related diseases.

Researchers developed a method to detect hormone-blocking drugs in wastewater and found them in Beijing's sewage, suggesting they can survive sewage treatment.

Researchers developed a quick and sensitive way to measure finasteride in blood using a small sample size.

Forensic hair analysis for drugs is now more reliable and accurate.

Early diagnosis and individualized treatment improve outcomes for Congenital Adrenal Hyperplasia.

The update highlights that non-classic congenital adrenal hyperplasia is common in women with excess male hormones, requires specific hormone tests for diagnosis, and has various treatment options depending on age and symptoms.

Platelet-rich plasma may help in skin and hair treatments, and with muscle and joint healing, but more research is needed to fully understand its benefits and limitations.

The method effectively detects banned substances in urine for sports antidoping.

The method effectively identifies banned substances in hair loss and skin disease cosmetics.

Diagnosing hyperandrogenism in women is complex and requires accurate testing methods and consideration of SHBG levels.

Researchers developed a method to measure plant compounds in rat blood and found they are quickly absorbed and eliminated within 36 hours.

Method measures finasteride in plasma, suitable for pharmacokinetic studies.

A new method was created to measure metformin in hair, showing potential for monitoring treatment and medical investigations.

Testosterone helps human pancreatic cells increase insulin release.

New tests detect finasteride and dutasteride in urine quickly and easily.

Method measures latanoprost and minoxidil in skin accurately and precisely.

New method effectively detects illegal hormones in anti-aging foods.