Solid-state nuclear magnetic resonance (NMR)
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Confocal laser scanning microscopy (CLSM)
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For reviews discussing the application of these technologies to study biofilms, refer to:
Reichhardt C. and L. Cegelski, Solid-state NMR for bacterial biofilms. Molecular Physics 2014, 112, 887-894.
Reichhardt C. and M.R. Parsek, Confocal laser scanning microscopy for analysis of Pseudomonas aeruginosa biofilm architecture and matrix localization. Frontiers Microbiology 2019, 10, 677.