ArticleApplied microbiology and biotechnology2024
Roles of pH and phosphate in rare earth element biosorption with living acidophilic microalgae.
Article in Applied microbiology and biotechnology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 8 citations in OpenAlex.
- Integrated transcriptomic and DNA methylomic analysis of Yarrowia lipolytica in response to La(III)/Ce(III) stress.Microbial cell factories · 2026Article
- A review on bioprocesses for the recovery of rare earth elements and its challenges.World journal of microbiology & biotechnology · 2026Review
- Urban Biomining of Rare Earth Elements: Current Status and Future Opportunities.ACS environmental Au · 2026Review
- Cerium Phosphate Nanoparticles: Synthesis, Characterization, Biocompatibility, Regenerative Potential, and Antioxidant Activity.Molecules (Basel, Switzerland) · 2025Article
- Significance and Applications of the Thermo-Acidophilic MicroalgaPlants (Basel, Switzerland) · 2024Review
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
Abstract
The increasing demand for rare earth elements (REEs) has spurred interest in the development of recovery methods from aqueous waste streams. Acidophilic microalgae have gained attention for REE biosorption as they can withstand high concentrations of transition metals and do not require added organic carbon to grow, potentially allowing simultaneous sorption and self-replication of the sorbent. Here, we assessed the potential of Galdieria sulphuraria for REE biosorption under acidic, nutrient-replete conditions from solutions containing ≤ 15 ppm REEs. Sorption at pH 1.5-2.5 (the growth optimum of G. sulphuraria) was poor but improved up to 24-fold at pH 5.0 in phosphate-free conditions. Metabolic activity had a negative impact on REE sorption, additionally challenging the feasibility of REE biosorption under ideal growth conditions for acidophiles. We further examined the possibility of REE biosorption in the presence of phosphate for biomass growth at elevated pH (pH ≥ 2.5) by assessing aqueous La concentrations in various culture media. Three days after adding La into the media, dissolved La concentrations were up to three orders of magnitude higher than solubility predictions due to supersaturation, though LaPO
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Registered trials
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