Search Results - "Duval, Jérôme F. L"
-
1
Effect of Polymer Aging on Uptake/Release Kinetics of Metal Ions and Organic Molecules by Micro- and Nanoplastics: Implications for the Bioavailability of the Associated Compounds
Published in Environmental science & technology (31-10-2023)“…The main driver of the potential toxicity of micro- and nanoplastics toward biota is often the release of compounds initially present in the plastic, i.e.,…”
Get full text
Journal Article -
2
Rigorous Physicochemical Framework for Metal Ion Binding by Aqueous Nanoparticulate Humic Substances: Implications for Speciation Modeling by the NICA-Donnan and WHAM Codes
Published in Environmental science & technology (06-08-2019)“…Latest knowledge on the reactivity of charged nanoparticulate complexants toward aqueous metal ions is discussed in mechanistic detail. We present a rigorous…”
Get full text
Journal Article -
3
Fast automated processing of AFM PeakForce curves to evaluate spatially resolved Young modulus and stiffness of turgescent cells
Published in RSC advances (20-05-2020)“…Atomic Force Microscopy (AFM) is a powerful technique for the measurement of mechanical properties of individual cells in two ( x × y ) or three ( x × y ×…”
Get full text
Journal Article -
4
Effects of dielectric gradients‐mediated ions partitioning on the electrophoresis of composite soft particles: An analytical theory
Published in Electrophoresis (01-01-2021)“…In this work, we report original analytical expressions defining the electrophoretic mobility of composite soft particles comprising an inner core and a…”
Get full text
Journal Article -
5
Automated force volume image processing for biological samples
Published in PloS one (29-04-2011)“…Atomic force microscopy (AFM) has now become a powerful technique for investigating on a molecular level, surface forces, nanomechanical properties of…”
Get full text
Journal Article -
6
Shell Structure of Natural Rubber Particles: Evidence of Chemical Stratification by Electrokinetics and Cryo-TEM
Published in Langmuir (26-11-2013)“…The interfacial structure of natural rubber (NR) colloids is investigated by means of cryogenic transmission electron microscopy (cryo-TEM) and electrokinetics…”
Get full text
Journal Article -
7
Absolute and Relative Positioning of Natural Organic Matter Acid–Base Potentiometric Titration Curves: Implications for the Evaluation of the Density of Charged Reactive Sites
Published in Environmental science & technology (19-07-2022)“…Potentiometric acid–base titration curves collected on humic (nano)particles as a function of pH and salt concentration reflect the electrostatics of the…”
Get full text
Journal Article -
8
Bacterial capsular polysaccharides with antibiofilm activity share common biophysical and electrokinetic properties
Published in Nature communications (03-05-2023)“…Bacterial biofilms are surface-attached communities that are difficult to eradicate due to a high tolerance to antimicrobial agents. The use of non-biocidal…”
Get full text
Journal Article -
9
Bacterial surface appendages strongly impact nanomechanical and electrokinetic properties of Escherichia coli cells subjected to osmotic stress
Published in PloS one (31-05-2011)“…The physicochemical properties and dynamics of bacterial envelope, play a major role in bacterial activity. In this study, the morphological, nanomechanical…”
Get full text
Journal Article -
10
Electrohydrodynamics of Soft Polyelectrolyte Multilayers: Point of Zero-Streaming Current
Published in Langmuir (06-09-2011)“…We report a comprehensive formalism for the electrokinetics (streaming current, I str) at soft multilayered polyelectrolyte films. These assemblies generally…”
Get full text
Journal Article -
11
Electrophoresis of Diffuse Soft Particles
Published in Langmuir (11-04-2006)“…A theory is presented for the electrophoresis of diffuse soft particles in a steady dc electric field. The particles investigated consist of an uncharged…”
Get full text
Journal Article -
12
Dynamics of Metal Partitioning at the Cell–Solution Interface: Implications for Toxicity Assessment under Growth-Inhibiting Conditions
Published in Environmental science & technology (02-06-2015)“…Metal toxicity toward microorganisms is usually evaluated by determining growth inhibition. To achieve a mechanistic interpretation of such toxic effects, the…”
Get full text
Journal Article -
13
On the strong connection between nanoscale adhesion of Yad fimbriae and macroscale attachment of Yad-decorated bacteria to glycosylated, hydrophobic and hydrophilic surfaces
Published in Nanoscale (14-01-2021)“…Yad fimbriae are currently viewed as versatile bacterial adhesins able to significantly mediate host or plant-pathogen recognition and contribute to the…”
Get more information
Journal Article -
14
The Intrinsic Stability of Metal Ion Complexes with Nanoparticulate Fulvic Acids
Published in Environmental science & technology (16-10-2018)“…The electrostatic contributions to metal ion binding by fulvic acids (FAs) are characterized in light of recent theoretical developments on description of the…”
Get full text
Journal Article -
15
Remarkable Electrokinetic Features of Charge-Stratified Soft Nanoparticles: Mobility Reversal in Monovalent Aqueous Electrolyte
Published in Langmuir (26-05-2015)“…The electrokinetic behavior of G6.5 carboxylate-terminated poly(amidoamine) (PAMAM) starburst dendrimers (8 ± 1 nm diameter) is investigated over a broad…”
Get full text
Journal Article -
16
Electrokinetics of Diffuse Soft Interfaces. IV. Analysis of Streaming Current Measurements at Thermoresponsive Thin Films
Published in Langmuir (15-09-2009)“…Streaming current measurements were performed on poly(N-isopropylacrylamide)-co-N-(1-phenylethyl) acrylamide [P(NIPAAm-co-PEAAm)] thermoresponsive thin films…”
Get full text
Journal Article -
17
Probing the influence of cell surface polysaccharides on nanodendrimer binding to Gram-negative and Gram-positive bacteria using single-nanoparticle force spectroscopy
Published in Nanoscale (01-01-2018)“…The safe use and design of nanoparticles (NPs) ask for a comprehensive interpretation of their potentially adverse effects on (micro)organisms. In this…”
Get more information
Journal Article -
18
Coupled Electrostatic, Hydrodynamic, and Mechanical Properties of Bacterial Interfaces in Aqueous Media
Published in Langmuir (07-10-2008)“…The interactions of bacteria with their environment are governed by a complex interplay between biological and physicochemical phenomena. The main challenge is…”
Get full text
Journal Article -
19
Sol−Gel and Isotropic/Nematic Transitions in Aqueous Suspensions of Natural Nontronite Clay. Influence of Particle Anisotropy. 2. Gel Structure and Mechanical Properties
Published in Langmuir (06-01-2009)“…After size-selection, the phase behavior of aqueous suspensions of nontronite clay was analyzed by osmotic pressure measurements, rheological experiments, and…”
Get full text
Journal Article -
20
Chemodynamics of Metal Complexation by Natural Soft Colloids: Cu(II) Binding by Humic Acid
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (28-06-2012)“…The chemodynamics of Cu(II) complexation by humic acid is interpreted in terms of recently developed theory for permeable charged nanoparticles. Two opposing…”
Get full text
Journal Article