Is there any specific test to confirm the presence of EPS in biofilms?

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Thomas Reid

I would think that under the right conditions you could probably image under an SEM to get a fairly good idea of the EPS presence. Obviously this would be dependent on the amount, but it could be a really quick method.

Sylvester Peter Antai

Bacterial biofilms consist of cells embedded in a self - produced matrix containing extracellular polymeric substances ( EPS ) such as polysaccharides, proteins, and DNA. Can be detected with electron microscopy images. There is rapid identification of bacterial biofilms using a Multichannel Nanosensor

For more details consult

https://www.ncbi.nlm.nih.gov

https://www.sciencedirect.com