Environmentally responsive emulsions of thermotropic liquid crystals with exceptional long-term stability and enhanced sensitivity to aqueous amphiphiles

OH Piñeres-Quiñones, DM Lynn, C Acevedo-Vélez - Langmuir, 2022 - ACS Publications
We report colloidally stable emulsions of thermotropic liquid crystals (LCs) that can detect
the presence of amphiphilic analytes in aqueous environments. Our approach makes use of …

Pickering Emulsions of Thermotropic Liquid Crystals Stabilized by Amphiphilic Gold Nanoparticles

OH Piñeres-Quiñones, MK Oñate-Socarras, F Wang… - Langmuir, 2024 - ACS Publications
We report emulsions of thermotropic liquid crystals (LCs) in water that are stabilized using
amphiphilic gold nanoparticles (AuNPs) and retain their ability to respond to aqueous …

Covalent immobilization of caged liquid crystal microdroplets on surfaces

X Guo, U Manna, NL Abbott… - ACS Applied Materials & …, 2015 - ACS Publications
Microscale droplets of thermotropic liquid crystals (LCs) suspended in aqueous media (eg,
LC-in-water emulsions) respond sensitively to the presence of contaminating amphiphiles …

Liquid crystal chemical sensors that cells can wear

U Manna, YM Zayas‐Gonzalez… - Angewandte Chemie …, 2013 - Wiley Online Library
Micrometer-scale droplets of thermotropic liquid crystals (LCs) suspended in aqueous media
can act as exquisitely sensitive reporters of environmental analytes.[1–8] Aqueous …

Tailoring the interfaces between nematic liquid crystal emulsions and aqueous phases via layer-by-layer assembly

E Tjipto, KD Cadwell, JF Quinn, APR Johnston… - Nano …, 2006 - ACS Publications
We report the assembly of polyelectrolyte multilayer (PEM) films at the interfaces of
thermotropic liquid crystal (LC) droplets dispersed in an aqueous phase. Exposure of PEM …

Protein microgel-stabilized Pickering liquid crystal emulsions undergo analyte-triggered configurational transition

A Dan, S Aery, S Zhang, DL Baker, HF Gleeson… - Langmuir, 2020 - ACS Publications
Herein, we report a novel approach that involves Pickering stabilization of micometer-sized
liquid crystal (LC) droplets with biocompatible soft materials such as a whey protein microgel …

Dynamic complex liquid crystal emulsions

A Concellón, CA Zentner… - Journal of the American …, 2019 - ACS Publications
We report a new class of dynamically reconfigurable complex colloids comprising
immiscible liquid crystals (LCs) and fluorocarbon oils. Producing stable spherical droplets …

Biosensing with Oleosin‐Stabilized Liquid Crystal Droplets

LW Honaker, A Eijffius, L Plankensteiner, CV Nikiforidis… - Small, 2023 - Wiley Online Library
Liquid crystals (LCs) are emerging as novel platforms for chemical, physical, and biological
sensing. They can be used to detect biological amphiphiles such as lipids, fatty acids …

Surfactant-induced ordering and wetting transitions of droplets of thermotropic liquid crystals “Caged” inside partially filled polymeric capsules

RJ Carlton, YM Zayas-Gonzalez, U Manna, DM Lynn… - Langmuir, 2014 - ACS Publications
We report a study of the wetting and ordering of thermotropic liquid crystal (LC) droplets that
are trapped (or “caged”) within micrometer-sized cationic polymeric microcapsules …

Dissipative Particle Dynamics Simulation of the Sensitive Anchoring Behavior of Smectic Liquid Crystals at Aqueous Phase

S Chen, J Zhang, H Liu, T Qiu, H Tang, Z Zhang - Molecules, 2022 - mdpi.com
Rational design of thermotropic liquid crystal (LC)-based sensors utilizing different
mesophases holds great promise to open up novel detection modalities for various chemical …