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A new method accurately measures DHEAS in blood, improving on current tests.

The procedure accurately measures 5-alpha-dihydrotestosterone in blood, useful for standard tests.

Hair analysis can detect cocaine use but doesn't accurately show the amount or timing of use.

Researchers created a new method to measure brain steroids, finding higher levels of certain steroids and changes due to a drug.

Finasteride modifies 5-alpha-reductases through a two-step process, affecting inhibitor potency and possibly causing side effects.

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

A new method accurately measures nine specific hormones in human blood.

Hair dye colors mainly target melanin granules in black hair.

Rat skin takes up and processes testosterone differently than other organs, with testosterone being more important for the skin than its metabolite 5α-DHT.

Male hormones control a specific gene in hamster skin, with different hormones having varying effects.

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

Bioelectronic nanogenerators show promise for cancer treatment but need better understanding and development.

The study found that in Eclipta prostrata roots, coumestans come from acetate and shikimate pathways, and phenylpropanoid is made only through the shikimate pathway.

The conclusion is that recognizing hair growth cycles can improve the precision of dietary and health assessments from hair analysis.

Hair analysis is better than urine and blood for detecting past drug use.

Hair absorbs different substances from solutions based on pH levels.

Increasing the levels of a protein called FGF9 can promote hair growth, but humans may not respond the same way due to a lack of certain cells.

The link between pemphigus and the patient's scarring hair loss is still unclear.

New pregnane derivatives are effective at inhibiting an enzyme linked to hair loss and reducing oil gland activity.

Taking 5α-reductase inhibitors with prednisolone can worsen its negative effects on metabolism.

Chemical hair straightening significantly reduces detectable drug levels in hair.

Scientists turned rat thymus cells into stem cells that can help repair skin and hair.

Method detects finasteride in plasma at very low concentrations.

High testosterone to epitestosterone ratio in hair could predict male-pattern baldness.

The document concludes that using LC-MS/MS for measuring androgens is more accurate than older methods, but it needs careful validation and standardized references to be most effective.

Hair growth is influenced by factors like genetics and nutrition, and more research is needed to understand hair loss and growth mechanisms.

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

L-PGDS has specific binding sites for its functions and could help in drug delivery system design.

The method reliably profiles eicosanoids and shows epitestosterone reduces their levels, similar to common anti-inflammatory drugs.

Spironolactone treatment increases the amount of testosterone available in the body.