activity
20132024
most citedTowards a better understanding on agglomeration mechanisms and thermodynamic properties of TiO2 nanoparticles interacting with natural organic matter

104 citations · 278 across the 6 of their papers we have counts for

collaborators

7 papers

cond-mat.soft2024★ 4 cited

Mixing order asymmetry in nanoparticle-polymer complexation and precipitation revealed by isothermal titration calorimetry

Letícia Vitorazi, Jean-François Berret

In recent years, there has been a renewed interest in complex coacervation, driven by concerted efforts to offer novel experimental and theoretical insights into electrostatic char…

cond-mat.soft2020★ 28 cited

Effect of pH on the complex coacervation and on the formation of layers of sodium alginate and PDADMAC

Bruno dos Santos de Macedo, Tamiris de Almeida, Raphael da Costa Cruz +4

In this study, we investigated the thermodynamic features of a system based on oppositely charged polyelectrolytes, sodium alginate, and poly(diallyldimethylammonium chloride) (PDA…

cond-mat.mtrl-sci2016★ 32 cited

Polyelectrolyte assisted charge titration spectrometry: applications to latex and oxide nanoparticles

F. Mousseau, L. Vitorazi, L. Herrmann +2

The electrostatic charge density of particles is of paramount importance for the control of the dispersion stability. Conventional methods use potentiometric, conductometric or tur…

cond-mat.mtrl-sci2015★ 30 cited

Isothermal titration calorimetry as a powerful tool to quantify and better understand agglomeration mechanisms during interaction processes between TiO2 nanoparticles and humic acids

Frédéric Loosli, Letícia Vitorazi, Jean-François Berret +1

The association processes between engineered TiO2 nanoparticles and Suwannee River humic acids are investigated by isothermal titration calorimetry and by measuring the exchanged h…

cond-mat.mtrl-sci2015★ 104 cited

Towards a better understanding on agglomeration mechanisms and thermodynamic properties of TiO2 nanoparticles interacting with natural organic matter

Frédéric Loosli, Letícia Vitorazi, Jean-François Berret +1

Interaction between engineered nanoparticles and natural organic matter is investigated by measuring the exchanged heat during binding process with isothermal titration calorimetry…

cond-mat.mtrl-sci2014★ 80 cited

Preventing corona effects: multi-phosphonic acid poly(ethylene glycol) copolymers for stable stealth iron oxide nanoparticles

V. Torrisi, A. Graillot, L. Vitorazi +4

When disperse in biological fluids, engineered nanoparticles are selectively coated with proteins, resulting in the formation of a protein corona. It is suggested that the protein…

cond-mat.mtrl-sci2013

Self-assembly of complex salts of cationic surfactants and anionic-neutral block copolymers. Dispersions with liquid-crystalline internal structure

Leticia Vitorazi, Jean-Francois Berret, Watson Loh

We report the synthesis of complex salts made from the cationic surfactant dodecyltrimethyl-ammonium and diblock copolymers poly(acrylic acid)-block-poly(acrylamide) of different m…