ArticleScientific reports2026
Cyanobacterial extracellular polysaccharides (EPS) produced at high CO
Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Heavy metals are extensively used in industry, and the associated environmental pollution raises risks for human health. Immobilization and long-term sequestration of these metals would reduce such risks. Cyanobacterial extracellular polysaccharides (EPS) have a proven capacity for effectively sorbing cations including heavy metals. Unfortunately, natural degradation of EPS over time can release the sorbed metals back into the environment. In addition to sorption, EPS enriched in negatively charged, acidic residues can induce precipitation of carbonates. We hypothesized that strongly acidic EPS could effectively sorb heavy metals from a solution and facilitate their long-term sequestration into carbonate minerals. To obtain large amounts of strongly acidic EPS, Leptolyngbya boryana strain N1, isolated from the Negev desert soil, was cultivated under high-CO
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