AFM Evidence of Rayleigh Instability in Single Polymer Chains
We present experimental evidence of the Rayleigh-Plateau instability of a single chain in poor solvent conditions using single molecule force microscopy. Poly(N-isopropylacrylamide) (PNIPAM) and poly(ethylene oxide) (PEO) are adsorbed onto silicon nitride surfaces in various solutions corresponding to poor and good solvent conditions. In good solvent conditions, the force-separation profile is identical to that described previously and attributed to the elastic stretching of single polymer...[Show more]
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