What seaweed has to do with nanotechnology

The cultivation of microalgae can be difficult, and the production of specific compounds can depend on numerous parameters. Research has found that the use of nanotechnology might be able to increase the accumulation level of specific desired compounds.
Seaweed in laboratory
21 March, 2023
By Bert Popping

Seaweed and microalgae have gained significant attention in various fields as we previously reported. Microalgae could serve as a sustainable food source for humans and animals, potentially addressing global food security and mitigating environmental challenges such as carbon footprint and agricultural waste generated by the expansion of land-based food production. Microalgae are a potential source of energy, drugs, and other valuable compounds. The quantity of these bioproducts are usually at low levels, and the production costs are high. Therefore, biomass accumulation and bioproducts production are two crucial parameters for microalgae strain selection. However, these parameters can be influenced by different cultivation conditions such as available nutrients, light intensity and quality, CO2 concentration, temperature, pH, and genetic engineering tools. The use of nanomaterials in microalgae cultures has several benefits, including improved CO2 absorption from the atmosphere, better light conversion in a bioreactor, and increased microalgae yield. Despite these advantages, the properties and concentration of nanoparticles, and their possible interactions with microalgae are crucial to be investigated since nanoparticles can have toxic effects on microalgae and can also lead to environmental risks.

An extensive review on this topic was recently published by Aratboni et al.

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