Multiscale vapor-mediated dendritic pattern formation and bacterial aggregation in complex respiratory biofluid droplets

O Hegde, R Chatterjee, A Rasheed… - Journal of Colloid and …, 2022 - Elsevier
Hypothesis Deposits of biofluid droplets on surfaces (such as respiratory droplets formed
during an expiratory) are composed of water-based salt-protein solution that may also …

Enhanced solutal Marangoni flow using ultrasound-induced heating for rapid digital microfluidic mixing

B Cha, W Kim, G Yoon, H Jeon, J Park - Frontiers in Physics, 2021 - frontiersin.org
Digital microfluidics based on sessile droplets has emerged as a promising technology for
various applications including biochemical assays, clinical diagnostics, and drug screening …

Universal spatio-topological control of crystallization in sessile droplets using non-intrusive vapor mediation

O Hegde, A Chattopadhyay, S Basu - Physics of Fluids, 2021 - pubs.aip.org
The present work showcases a mechanism of asymmetric solvent depletion using vapor-
mediated interaction that can non-intrusively regulate the site of crystal precipitation. In …

Spatio-temporal modulation of self-assembled central aggregates of buoyant colloids in sessile droplets using vapor mediated interactions

O Hegde, S Basu - Journal of Colloid and Interface Science, 2021 - Elsevier
A functional sessile droplet containing buoyant colloids (ubiquitous in applications like
chemical sensors, drug delivery systems, and nanoreactors) forms self-assembled …

Vapor mediation as a tool to control micro-nano scale dendritic crystallization and preferential bacterial distribution in drying respiratory droplets

O Hegde, R Chatterjee, A Rasheed, D Chakravortty… - bioRxiv, 2021 - biorxiv.org
Deposits of biofluid droplets on surfaces (such as respiratory droplets formed during an
expiratory event fallen on surfaces) are composed of the water-based salt-protein solution …