Effect of chitosan molecular weight as micro and nanoparticles on antibacterial activity against some soft rot pathogenic bacteria

<h2>Highlights</h2><div><p></p><dl><dt>•</dt><dd><p>The particle size for CSNPs was found to be correlated with CS's MW.</p></dd><dt>•</dt><dd><p>MVCN exhibit higher antibacterial activity than MVC against all tested bacteria.</p></dd><dt>•</dt><dd><p>MWCN showed lower MIC and MBC values compared to MWC only for <em>P. fluorescens.</em></p></dd><dt>•</dt><dd><p>LWCN showed lower MIC and MBC values compared to LWC only for <em>E. coli</em></p></dd></dl><p></p>