Simple protocol for extracting diatoms from lung tissues of suspected drowning cases within 3Â h: First practical application

- A simple and fast protocol using commercial reagents for extracting diatoms from lungs (1 g).
- Sixty to twenty three thousand freshwater or marine diatoms were identified in 20 lung samples.
- The quantity of the final residue after digestion was appropriate.
- The protocol was helpful as a simple minimal test during practical casework.