activity
20232026
collaborators

6 papers

cond-mat.soft2026

Charge Regulation Mediated Interaction of Amphoteric Nanoparticle Surfaces

Saurav Tyagi, Kamal Tripathi, Saikat Chakraborty +1

Charge regulation refers to the ability of ionizable biomolecules and their counterparts to adjust their ionization state in response to external perturbations, including changes i…

cond-mat.soft2026

Effects of Charge Regulation on the Conformations and Dynamics of a Polyelectrolyte during Nanoparticle Adsorption

Kawaljeet Kaur, Rashmi Kandari, Sunita Kumari +1

Customizing the surface characteristics and stimuli-responsive behavior of polyelectrolyte (PE) during interaction with nanoparticles (NP) have potential applications ranging from…

cond-mat.soft2026

Emergence of Dynamical Anisotropy induced by Demixing in a Binary System with Differential Diffusivity under an External Potential

Rashmi Trivedi, Subhajit Paul, Sumanta Kundu +1

Spontaneous demixing in active matter is a ubiquitous phenomenon that is crucial for numerous living processes ranging from bacterial swarming to sorting of cells in dense tissues.…

cond-mat.soft2025

Charge Regulation Effect on Nanoparticles Interaction Mediated by Polyelectrolyte

Vijay Yadav, Prabhat Kumar Jaiswal, Rudolf Podgornik +1

The ability to precisely control surface charge using charged polymers is fundamental to many nanotechnology applications, enabling the design and fabrication of materials with tai…

cond-mat.soft2025

Effect of charge regulation on the screening properties of zwitterionic macroion solutions

Rashmi Kandari, Rudolf Podgornik, Sunita Kumari

Precisely controlling the surface charge of zwitterionic macromolecules is crucial for tailoring their properties and optimizing them for specific applications. Here, we present a…

physics.bio-ph2023

On the nature of screening in charge regulated macroion solutions

Sunita Kumari, Rudolf Podgornik

We present a derivation of the screening length for a solution containing a charge regulated macroion, e.g. protein, with its counterions. We show that it can be obtained directly…