Solvation‐Driven Actuation of Anion‐Exchange Membranes

N Ulbricht, A Boldini, C Bae… - Advanced Materials …, 2022 - Wiley Online Library
Ion‐exchange membranes, conventionally utilized in separation processes of electrolyte
solutions, are electroactive polymers that display a unique coupling between …

Advanced IPMC Actuators Utilizing Multifaceted Platinum-Coated Sulfonated Polyvinyl Alcohol-Graphene Oxide-Nanoform ZnO Nanocomposite Membranes

IA Ansari - Journal of Polymers and the Environment, 2024 - Springer
This article details the development of an electrically-responsive bending actuator from a
graphene oxide (GO), nanosized-ZnO, and sulfonated poly (vinyl alcohol)(S-PVA) …

Solvation-driven electrochemical actuation

A Boldini, Y Cha, M Porfiri - Physical review letters, 2021 - APS
We demonstrate a novel principle of contactless actuation for ionic membranes in salt
solution based on solvation. Actuation is driven by differential swelling of the sides of the …

Origin of stronger binding of ionic pair (IP) inhibitor to Aβ42 than the equimolar neutral counterparts: synergy mechanism of IP in disrupting Aβ42 protofibril and …

W Xu, J Mei, C Wang, H Yang, X Ma, W Gao… - Physical Chemistry …, 2023 - pubs.rsc.org
Fibrous aggregates of beta-amyloid (Aβ) is a hallmark of Alzheimer's disease (AD). Several
major strategies of drugs or inhibitors, including neutral molecules, positive or negative ions …

A multi-cation model for the actuation of ionic membranes with ionic liquids

A Boldini - Materials Advances, 2024 - pubs.rsc.org
Soft actuators based on water-swollen ionic membranes are able to operate in water, a
critical feature for applications in biomedical engineering and underwater robotics. On the …

Plating of Ion‐Exchange Membranes: A Molecular Dynamics Study

A Truszkowska, A Boldini… - Advanced Theory and …, 2022 - Wiley Online Library
Electroless plating of membranes offers a viable pathway to create flexible electrodes for soft
sensors and actuators, as well as flexible electronics and batteries. Ionic polymer metal …

Modeling actuation of ionomer cilia in salt solution under an external electric field

A Boldini, M Rosen, Y Cha… - ASME Letters in …, 2021 - asmedigitalcollection.asme.org
A recent experiment by Kim's group from the University of Nevada, Las Vegas, has shown
the possibility of actuating ionomer cilia in salt solution. When these actuators are placed …

Experimental characterization of actuation of anion-exchange membranes in salt solution

N Ulbricht, A Boldini, C Bae… - Electroactive …, 2023 - spiedigitallibrary.org
Besides their use in separation and filtration processes, ion-exchange membranes have
been adopted as electroactive polymer actuators in soft robotics and biomedical …

Understanding Actuation in Ionic Polymer Metal Composites: From Physical Principles to Engineering Design

A Boldini - 2022 - search.proquest.com
Ionic polymer metal composites (IPMCs) are a relatively new type of electroactive polymer
that holds promise for applications as actuators in soft robotics and biomedical engineering …

The role of cations on contactless actuation of perfluorinated ionomer membranes in salt solution

A Boldini, Y Cha, M Porfiri - Electroactive Polymer Actuators …, 2021 - spiedigitallibrary.org
Ionic polymer metal composites (IPMCs) are electroactive materials that comprise an
ionomer core with metal electrodes. In the ionomer, anions are attached to the polymeric …