Density gradient ultracentrifugation (DGUC), as an effective method for the purification of nanomaterials, has attracted tremendou attentions of researchers. A recent review was reported by Science ...
Nonresistant bacteria that are refractory to antibiotic treatment are thought to have an important role in the recalcitrance of bacterial infections (Dhar and McKinney, 2007; Mulcahy et al., 2010; ...