Correction: A novel microfluidic system for the sensitive and cost-effective detection of okadaic acid in mussels.

Correction for 'A novel microfluidic system for the sensitive and cost-effective detection of okadaic acid in mussels' by Ana Castanheira et al., Analyst, 2021, 146, 2638-2645, DOI: 10.1039/D0AN02092C.