AFM Alkanes Article Biofilm Biofilms Burkholderia Burkholderia multivorans Carbohydrate Conformation Conformation Dimerization Hydrophobic and Hydrophilic Interactions Molecular interactions Polysaccharide Polysaccharide functions Polysaccharides, Bacterial SPR Surface Plasmon Resonance alkane atomic force microscopy bacterial polysaccharide bacterial strain binding assay biofilm biofilm matrix chemical phenomena chemistry conformation dimerization hydrophobicity isolation and purification