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Researchers developed a reliable method to measure testosterone and epitestosterone in urine for medical and anti-doping use.

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.

Changing the diet of mice lacking the enzyme CBS can affect symptoms related to the genetic condition.

A new fluorescent material can detect dextran sulfate sodium, turning green when present, useful for forensic and environmental monitoring.

The effectiveness of reducing agents on hair fibers depends on their electrode potentials.

Dried blood spots can be as stable as frozen liquid samples for storing certain metabolites.

A reliable method was developed to measure gemcitabine and olaparib in pancreatic tissue, aiding pancreatic cancer treatment.

Decomposed tritiated thymidine is less accurate for DNA tracing, and hair changes can indicate malnutrition.

The transporter protein SH1446 in Staphylococcus hominis is key to underarm odor production.

Pyrene excimer nucleic acid probes are promising for detecting biomolecules accurately with potential for biological research and drug screening.

Trichothiodystrophy involves brittle hair due to low sulfur amino acids, not a transport defect.

Bleaching hair increases cysteic acid levels in a predictable way.

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

Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.

Enzyme replacement therapy improved multiple symptoms of homocystinuria in mice.

Lablab purpureus peptides may effectively kill cancer cells with fewer side effects.

The girl had a rare disorder causing mental and physical symptoms, with weak hair and unclear neurological issues.

Scientists at the University of Michigan Medical School successfully created a special compound that can be used to improve imaging of prostate cancer.

Using 5-butylpicolinate esters improves the sensitivity and reliability of detecting testosterone and dihydrotestosterone in saliva.

Cis-UCA can form new compounds without enzymes, and sulphide donors reduce its UVB-induced toxicity in skin cells.

Mice with CBS deficiency are healthier on a low-methionine diet.

The study concludes that certain domains in Clostridium histolyticum enzymes are structurally unique, bind calcium to become more stable, and play distinct roles in breaking down collagen, with potential applications in medicine and drug delivery.

Cystine is crucial for forming keratin in hair, wool, and nails.

Solid-state NMR can effectively study keratin structure and treatment effects in fur.

New laser particles can track thousands of cells in 3D models, improving single-cell analysis.

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