Likelihood of survival of coronavirus in a respiratory droplet deposited on a solid surface

R Bhardwaj, A Agrawal - Physics of Fluids, 2020 - pubs.aip.org
We predict and analyze the drying time of respiratory droplets from a COVID-19 infected
subject, which is a crucial time to infect another subject. Drying of the droplet is predicted by …

[HTML][HTML] Why coronavirus survives longer on impermeable than porous surfaces

S Chatterjee, JS Murallidharan, A Agrawal… - Physics of …, 2021 - pubs.aip.org
Previous studies reported that the drying time of a respiratory droplet on an impermeable
surface along with a residual film left on it is correlated with the coronavirus survival time …

Tailoring surface wettability to reduce chances of infection of COVID-19 by a respiratory droplet and to improve the effectiveness of personal protection equipment

R Bhardwaj, A Agrawal - Physics of Fluids, 2020 - pubs.aip.org
Motivated by the fact that the drying time of respiratory droplets is related to the spread of
COVID-19 [R. Bhardwaj and A. Agrawal,“Likelihood of survival of coronavirus in a …

Wetting characteristics of Colocasia esculenta (Taro) leaf and a bioinspired surface thereof

M Kumar, R Bhardwaj - Scientific reports, 2020 - nature.com
We investigate wetting and water repellency characteristics of Colocasia esculenta (taro)
leaf and an engineered surface, bioinspired by the morphology of the surface of the leaf …

[HTML][HTML] How coronavirus survives for days on surfaces

R Bhardwaj, A Agrawal - Physics of Fluids, 2020 - pubs.aip.org
Our previous study [R. Bhardwaj and A. Agrawal,“Likelihood of survival of coronavirus in a
respiratory droplet deposited on a solid surface,” Phys. Fluids 32, 061704 (2020)] showed …

A review on coronavirus survival on impermeable and porous surfaces

S Chatterjee, JS Murallidharan, A Agrawal, R Bhardwaj - Sādhanā, 2022 - Springer
We review recent studies on fomite transmission of COVID-19, caused by the novel
coronavirus. In particular, we focus on survival time of coronavirus on solid and porous …

Identification of volatile organic liquids by combining an array of fiber-optic sensors and machine learning

W Naku, AK Nambisan, M Roman, C Zhu… - ACS …, 2023 - ACS Publications
In this paper, we report an array of fiber-optic sensors based on the Fabry–Perot interference
principle and machine learning-based analyses for identifying volatile organic liquids …

Colloidal deposit of an evaporating sessile droplet on a non-uniformly heated substrate

LK Malla, R Bhardwaj, A Neild - Colloids and Surfaces A: Physicochemical …, 2020 - Elsevier
The pattern and profile of a dried colloidal deposit formed after evaporation of a sessile
water droplet containing polystyrene particles on a non-uniformly heated glass are …

Analytical model for diffusive evaporation of sessile droplets coupled with interfacial cooling effect

TAH Nguyen, SR Biggs, AV Nguyen - Langmuir, 2018 - ACS Publications
Current analytical models for sessile droplet evaporation do not consider the nonuniform
temperature field within the droplet and can overpredict the evaporation by 20%. This …

[HTML][HTML] Droplet evaporation residue indicating SARS-COV-2 survivability on surfaces

Z He, S Shao, J Li, SS Kumar, JB Sokoloff, J Hong - Physics of Fluids, 2021 - pubs.aip.org
We conducted a systematic investigation of droplet evaporation on different surfaces. We
found that droplets formed even with distilled water do not disappear with evaporation but …