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One of nine essential amino acids in humans (provided by food), Methionine is required for growth and tissue repair. A sulphur-containing amino acid, methionine improves the tone and pliability of skin, hair, and strengthens nails. Involved in many detoxifying processes, sulphur provided by methionine protects cells from pollutants, slows cell aging, and is essential for absorption and bio-availability of selenium and zinc. Methionine chelates heavy metals, such as lead and mercury, aiding their excretion. It also acts as a lipotropic agent and prevents excess fat buildup in the liver. (NCI04)

Glossary Term

Proteomics

The global analysis of cellular proteins. Proteomics uses a combination of sophisticated techniques including two-dimensional (2D) gel electrophoresis, image analysis, mass spectrometry, amino acid sequencing, and bio-informatics to resolve comprehensively, to quantify, and to characterize proteins. The application of proteomics provides major opportunities to elucidate disease mechanisms and to identify new diagnostic markers and therapeutic targets.

Pcr Terms

Artículo

Simultaneous enantioselective separation of 2-, 3- and 4-chloromethcathinones using supercritical fluid chromatography-tandem mass spectrometry and its application to human oral fluid samples.

Research record from J Pharm Biomed Anal, 2026-06-25. PMID 42378913.

Artículo

Simultaneous hydrophilic interaction liquid chromatography-tandem mass spectrometry quantification of serum neurotransmitters and related metabolites: Development, validation, and application to antenatal depression.

Research record from J Chromatogr B Analyt Technol Biomed Life Sci, 2026-09-22. PMID 42777345.

Artículo

Targeted mass spectrometry for absolute quantification of total human β‑nerve growth factor in the development of a bispecific therapeutic antibody.

Research record from J Pharm Biomed Anal, 2026-10-10. PMID 42896357.

Artículo

Targeted quantification of 25 tryptophan metabolites across three metabolic pathways in serum by ultra-high-performance liquid chromatography coupled with quadrupole orbitrap high-resolution mass spectrometry.

Research record from J Pharm Biomed Anal, 2026-09-16. PMID 42843079.

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