The air sampler collects through a grid with these nice concentric circles

The air sampler samples through a grid onto the agar...

R2A with charcoal and trace element solution

Sure. Some students volunteered their own shower hoses; we then cut them in subsections, extracted the biofilms through scraping, quantified the biomass with crystal violet staining and observed biofilm heterogeneity along the length of the entire hose.

SciArt for the day. Winter series. Blue drinking water biofilm.

These three are pretty decent, although not so many bacteria images as I would like to have!
SciDraw: scidraw.io
BioIcons: bioicons.com
NIH BioArt: bioart.niaid.nih.gov

Last but not least, I want to thank @drinkmic.bsky.social
and @alecava.bsky.social for all the discussions and support through this journey into the Legionellaceae family!

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