ALGAL LYOPHILIZED CELLS (U-13C+) consist of lyophilized algal biomass in which carbon is uniformly labeled with 13C, providing a complex biological matrix enriched in 13C-containing metabolites and amino acid building blocks. The material retains the native cellular macromolecular composition while the isotopic labeling manifests as 13C substitution throughout the carbon framework of amino acids and related small molecules, including the amino (-NH2 or protonated amino) and carboxyl (-COOH/-COO-) functionalities present in those constituents. It is used as an isotopically labeled source for tracing carbon incorporation in metabolite and amino acid analyses, supporting mass spectrometry-based method development, and enabling preparation of 13C-enriched amino acid-containing fractions or downstream chemical biology studies involving labeled biochemical substrates.
CAT No: L-Iso-0073
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