Opsonophagocytosis assay (OPA) - March 24, 2012
Info
Snapshots during an experiment where immune cells eat bacteria. In this case, my favourite: Streptococcus pneumoniae.
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Category: Urban.
Tags: laboratory, science.
Exposure: 0.025 s (1/40) (1/40)
Aperture: f/4.5
ISO: 100
