<div>Hi,</div> <div>Thank you so much for your information in advance.</div> <div>Currently, I am working on the physico-chemical characterization of EPS from three strains of biofilm bacteria <EM>Pseudomonas aeruginosa,</EM> using QCM-D. Thus, I have questions:</div> <div> </div> <div> 1. On QCM-D data interpretation: </div> <div> i. frequency change --> adsorbed mass</div> <div> ii. energy of dissipation --> to visico-elastic property of the adsorbed </div> <div> mass. </div> <div>2. The second question is regarding the preparation of bacterial strains for </div> <div> surface analysis. </div> <div> i. Usually, we prepare the test strains in suspensions. However, it is </div> <div> known that there....difference between planktonic and sessile (biofilm)
</div> <div> bacteria. Thus,<STRONG><U>AREN'T WE TAKING THE WRONG STRAIN</U></STRONG>?!</div> <div> </div> <div>Sincerly yours,</div> <div>tesfalem</div><p> 
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