Injectable hydrogels based on pluronic/water systems filled with alginate microparticles for biomedical applications

MT Cidade, DJ Ramos, J Santos, H Carrelo, N Calero… - Materials, 2019 - mdpi.com
A (model) composite system for drug delivery was developed based on a thermoresponsive
hydrogel loaded with microparticles. We used Pluronic F127 hydrogel as the continuous …

Viscoplastic sessile drop coalescence

VR Kern, T Sæter, A Carlson - Physical Review Fluids, 2022 - APS
The evolution of the liquid bridge formed between two coalescing sessile yield-stress drops
is studied experimentally. Surprisingly, we find that the height of the bridge evolves similar to …

Predicting the Dynamics and Steady-State Shape of Cylindrical Newtonian Filaments on Solid Substrates

A Azimi Yancheshme, GR Palmese, NJ Alvarez - Langmuir, 2023 - ACS Publications
The spreading of liquid filaments on solid surfaces is of paramount importance to a wide
range of applications including ink-jet printing, coating, and direct ink writing (DIW) …

Experimental and numerical investigation of the extrusion and deposition process of a poly (lactic acid) strand with fused deposition modeling

A Gosset, D Barreiro-Villaverde, JC Becerra Permuy… - Polymers, 2020 - mdpi.com
In the last decade, Fused Deposition Modeling (FDM) has gained popularity for allowing the
fabrication of pieces with complex shapes. The final quality of the pieces is strongly linked to …

Coalescence of 3D Polymeric Drops in the Presence of In Situ Photopolymerization

VS Sivasankar, SA Etha, DR Hines, S Das - Macromolecules, 2023 - ACS Publications
We develop a combined numerical (using direct numerical simulation) and scaling model to
study the dynamics of two identical photocurable, shear-thinning polymeric drops …

A generalized scaling theory for spontaneous spreading of Newtonian fluids on solid substrates

AA Yancheshme, GR Palmese, NJ Alvarez - Journal of colloid and interface …, 2023 - Elsevier
Hypothesis There exists a generalized solution for the spontaneous spreading dynamics of
droplets taking into account the influence of interfacial tension and gravity. Experiments This …

3D printed microdroplet curing: unravelling the physics of on-spot photopolymerization

VS Sivasankar, HS Sachar, S Sinha… - ACS Applied Polymer …, 2020 - ACS Publications
Droplet-based direct-write printing (one form of 3D printing) methods, like inkjet printing,
aerosol jet printing (AJP), etc., have changed our ideas about bottom-up additive …

Role of chemical reaction and drag force during drop impact gelation process

K Haldar, S Chakraborty - Colloids and surfaces A: physicochemical and …, 2018 - Elsevier
An instantaneous chemical reaction and solidification have been experimentally explored
during sodium alginate drop impact on calcium chloride liquid pool through a high-speed …

A shape-predictive model for the spreading of photo-curable polymers in material extrusion additive manufacturing

AA Yancheshme, H Yoon, GR Palmese… - Additive Manufacturing, 2024 - Elsevier
Recently, there is a growing interest in material extrusion to print thermoset resins to
manufacture large format and high-performance parts. However, the fidelity and mechanical …

Moving boundary problems for quasi-steady conduction limited melting

LC Morrow, JR King, TJ Moroney, SW McCue - SIAM Journal on Applied …, 2019 - SIAM
The problem of melting a crystal dendrite is modeled as a quasi-steady Stefan problem. By
employing the Baiocchi transform, asymptotic results are derived in the limit that the crystal …