Do COVID-19 drugs in aquatic matrices negatively impact microalgae and cyanobacteria communities? SciTotEnv UFPR covid COVID19 SARSCoV2 aquatic matrices microalgae cyanobacteria communities
By Tarun Sai LomteJun 8 2023Reviewed by Lily Ramsey, LLM A recent study published in the Science of the Total Environment Journal evaluated the presence of coronavirus disease 2019 drugs in river water and their effects on microalgae and cyanobacteria.
These drugs have been reported to be present in aquatic systems in different regions even before the COVID-19 pandemic. The presence of pharmaceutical compounds in aquatic systems can have negative effects. Related StoriesAnalytical grade AZI, HCQ, and IVE were used to generate calibration curves. Recovery of drugs was determined by spiking samples with a four μg/L drug mixture, and the limit of quantification was estimated.
Findings The researchers detected IVE and AZI in all samples. Only HCQ did not have a 100% detection rate. The mean concentrations of drugs were the highest in samples from the first site . The GR was lower for S. elongatus with AZI or HCQ exposure, irrespective of drug concentrations, while IVE did not impact the GR.
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