Glass transition of polymers in bulk, confined geometries, and near interfaces
When cooled or pressurized, polymer melts exhibit a tremendous reduction in molecular
mobility. If the process is performed at a constant rate, the structural relaxation time of the …
mobility. If the process is performed at a constant rate, the structural relaxation time of the …
Irreversible adsorption of polymer melts and nanoconfinement effects
S Napolitano - Soft Matter, 2020 - pubs.rsc.org
For almost a decade, growing experimental evidence has revealed a strong correlation
between the properties of nanoconfined polymers and the number of chains irreversibly …
between the properties of nanoconfined polymers and the number of chains irreversibly …
The lifetime of the deviations from bulk behaviour in polymers confined at the nanoscale
S Napolitano, M Wübbenhorst - Nature communications, 2011 - nature.com
Monitoring the impact of annealing on the dynamic glass transition of nanometres-thick
polymer layers provides new insights into the mechanisms behind the tremendous changes …
polymer layers provides new insights into the mechanisms behind the tremendous changes …
Intermittent molecular hopping at the solid-liquid interface
The mobility of molecules on a solid surface plays a key role in diverse phenomena such as
friction and self-assembly and in surface-based technologies like heterogeneous catalysis …
friction and self-assembly and in surface-based technologies like heterogeneous catalysis …
Kinetics of irreversible chain adsorption
C Housmans, M Sferrazza, S Napolitano - Macromolecules, 2014 - ACS Publications
Recent experimental evidence showed a strong correlation between the behavior of
polymers under confinement and the presence of a layer irreversibly adsorbed onto the …
polymers under confinement and the presence of a layer irreversibly adsorbed onto the …
Multiphasic DNA adsorption to silica surfaces under varying buffer, pH, and ionic strength conditions
PE Vandeventer, JS Lin, TJ Zwang… - The Journal of …, 2012 - ACS Publications
Reversible interactions between DNA and silica are utilized in the solid phase extraction
and purification of DNA from complex samples. Chaotropic salts commonly drive DNA …
and purification of DNA from complex samples. Chaotropic salts commonly drive DNA …
Three-dimensional tracking of interfacial hopping diffusion
Theoretical predictions have suggested that molecular motion at interfaces—which
influences processes including heterogeneous catalysis,(bio) chemical sensing, lubrication …
influences processes including heterogeneous catalysis,(bio) chemical sensing, lubrication …
Single-molecule tracking of polymer surface diffusion
The dynamics of polymers adsorbed to a solid surface are important in thin-film formation,
adhesion phenomena, and biosensing applications, but they are still poorly understood …
adhesion phenomena, and biosensing applications, but they are still poorly understood …
The responses to surface wettability gradients induced by chitosan nanofilms on microtextured titanium mediated by specific integrin receptors
JH Park, CE Wasilewski, N Almodovar… - Biomaterials, 2012 - Elsevier
Microtexture and chemistry of implant surfaces are important variables for modulating
cellular responses. Surface chemistry and wettability are connected directly. While each of …
cellular responses. Surface chemistry and wettability are connected directly. While each of …
Single-molecule observation of long jumps in polymer adsorption
Single-molecule fluorescence imaging of adsorption onto initially bare surfaces shows that
polymer chains need not localize immediately after arrival. In a system optimized to present …
polymer chains need not localize immediately after arrival. In a system optimized to present …