128 citations · 463 across the 16 of their papers we have counts for
16 papers
Heterogeneous collapse in thermoresponsive copolymer microgels varying molar composition
Jacopo Vialetto, Francesco Brasili, Letizia Tavagnacco +5
Understanding the internal architecture of copolymer microgels is crucial for establishing how nanoscale polymer organization controls their stimuli-responsive behavior. Here we fo…
Beyond uniform screening: electrostatic heterogeneity dictates solution structure of complex macromolecules
Fabrizio Camerin, Marco Polimeni, Letizia Tavagnacco +7
The complexity of biomolecular interactions necessitates advanced methodologies to accurately capture their behavior in solution. In this work, we focus on monoclonal antibodies an…
Thermoresponsive copolymer microgels synthesized via single-step precipitation polymerization: random or block structure?
Letizia Tavagnacco, Elena Buratti, Jacopo Vialetto +9
The inner structure of polymeric particles critically influences their phase behavior and functionality, governing their mechanical properties and their physical and chemical inter…
Gellan-Based Hydrogels and Microgels for culturage heritage: a rheological perspective
Silvia Franco, Leonardo Severini, Elena Buratti +7
Gellan gum has gained significant attention due to its versatility in multiple applications in the form of hydrogels and microgels. A thorough understanding of the rheological beha…
Molecular origin of the two-step mechanism of gellan aggregation
Letizia Tavagnacco, Ester Chiessi, Leonardo Severini +10
Among hydrocolloids, gellan is one of the most used anionic polysaccharides, because of its capability of forming mechanically stable gels at relatively low concentrations. Despite…
The role of polymer structure on water confinement in poly(N-isopropylacrylamide) dispersions
E. Buratti, L. Tavagnacco, M. Zanatta +8
Poly(N-isopropylacrylamide) (PNIPAM) is a synthetic polymer that is widely studied for its thermoresponsive character. However, recent works also reported evidence of a low tempera…
Two-step deswelling in the Volume Phase Transition of thermoresponsive microgels
Giovanni Del Monte, Domenico Truzzolillo, Fabrizio Camerin +7
Thermoresponsive microgels are one of the most investigated class of soft colloids, thanks to their ability to undergo a Volume Phase Transition (VPT) close to ambient temperature.…
Thermoresponsivity of poly(N-isopropylacrylamide) microgels in water-trehalose solution and its relation to protein behavior
Benedetta Petra Rosi, Letizia Tavagnacco, Lucia Comez +8
Hypotheses: Additives are commonly used to tune macromolecular conformational transitions. Among additives, trehalose is an excellent bioprotectant and among responsive polymers, P…
Molecular insights on Poly(N-isoproylacrylamide) coil-to-globule transition induced by pressure
Letizia Tavagnacco, Ester Chiessi, Emanuela Zaccarelli
Poly-N-isopropylacrylamide (PNIPAM) phase diagram is explored in a wide range of temperature and pressure using extensive all-atom molecular dynamics simulations. By exploiting a s…
Atomic scale investigation of the volume phase transition in concentrated PNIPAM microgels
M. Zanatta, L. Tavagnacco, E. Buratti +5
Combining elastic incoherent neutron scattering and differential scanning calorimetry, we investigate the occurrence of the volume phase transition (VPT) in very concentrated PNIPA…
Protein-like dynamical transition of hydrated polymer chains
L. Tavagnacco, M. Zanatta, E. Buratti +8
Combining elastic incoherent neutron scattering experiments at different resolutions with molecular dynamics simulations, we report the observation of a protein-like dynamical tran…
Molecular Description of the Coil-to-Globule Transition of Poly(N-isopropylacrylamide) in Water/Ethanol Mixture at Low Alcohol Concentration
Letizia Tavagnacco, Emanuela Zaccarelli, Ester Chiessi
Poly(N-isopropylacrylamide), PNIPAM, is a widely studied polymer, which serves as a key constituent of nanostructured soft materials with responsive properties. Upon increasing tem…
Water-polymer coupling induces a dynamical transition in microgels
Letizia Tavagnacco, Ester Chiessi, Marco Zanatta +2
The long debated protein dynamical transition was recently found also in non-biological macromolecules, such as poly-N-isopropylacrylamide (PNIPAM) microgels. Here, by using atomis…
On the Molecular Origin of the Cooperative Coil-to-globule Transition of Poly(N-isopropylacrylamide) in Water
L. Tavagnacco, E. Zaccarelli, E. Chiessi
By means of atomistic molecular dynamics simulations we investigate the behaviour of poly(N-isopropylacrylamide), PNIPAM, in water at temperatures below and above the lower critica…
Numerical modelling of non-ionic microgels: an overview
L. Rovigatti, N. Gnan, L. Tavagnacco +2
Microgels are complex macromolecules. These colloid-sized polymer networks possess internal degrees of freedom and, depending on the polymer(s) they are made of, can acquire a resp…
Evidence of a low-temperature dynamical transition in concentrated microgels
Marco Zanatta, Letizia Tavagnacco, Elena Buratti +5
A low-temperature dynamical transition has been reported in several proteins. We provide the first observation of a `protein-like' dynamical transition in nonbiological aqueous env…