Artificial Organic Skin Wets Its Surface by Field-Induced Liquid Secretion

Zhan, Yuanyuan; Zhou, Guofu; Lamers, Brigitte A. G.; Visschers, Fabian L. L.; Hendrix, M.A.M.; Broer, Dirk J.; Liu, Danqing

doi:10.1016/j.matt.2020.05.015

Cited by 25 publications

(21 citation statements)

References 39 publications

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“…[ 172 ] In a more recent study, Liu and co‐workers developed a porous smectic LCN film that mimicked the secretion of fluids upon application of a radio frequency (RF) alternating electric field. [ 173 ] The device was built on an interdigitated electrode coated with a homeotropically aligned porous smectic LCN containing non‐polymerized 5CB mesogens. The 5CB molecules remained confined in the films within the pores of 100–200 nm.…”

Section: Smart Systems and Liquid Crystalsmentioning

confidence: 99%

Advanced Functional Liquid Crystals

et al. 2022

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Liquid crystals have been intensively studied as functional materials. Recently, integration of various disciplines has led to new directions in the design of functional liquid‐crystalline materials in the fields of energy, water, photonics, actuation, sensing, and biotechnology. Here, recent advances in functional liquid crystals based on polymers, supramolecular complexes, gels, colloids, and inorganic‐based hybrids are reviewed, from design strategies to functionalization of these materials and interfaces. New insights into liquid crystals provided by significant progress in advanced measurements and computational simulations, which enhance new design and functionalization of liquid‐crystalline materials, are also discussed.

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Section: Smart Systems and Liquid Crystalsmentioning

confidence: 99%

Advanced Functional Liquid Crystals

et al. 2022

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“…The on and off switching of the electric field is programmable, allowing for on-demand liquid secretion and reabsorption (Figure S5). 24 ■ FROM ANISOTROPIC DEFORMATION TO FREE…”

Section: ■ Introductionmentioning

confidence: 99%

Active Surfaces Formed in Liquid Crystal Polymer Networks

Astam

Zhan

Slot

et al. 2022

ACS Appl. Mater. Interfaces

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“…Thermotropic liquid crystals (LCs) are a particularly promising class of anisotropic fluids that produce a remarkable diversity of colloidal and interfacial phenomena with unprecedented complexities and functionalities (22,23). Because of their intrinsic properties, including positional order and orientational order in various mesophases (24), immobilized LCs have been exploited for a variety of applications, including sensing chemicals (25,26) and activating the release of cargo (27,28). We herein propose that these intrinsic properties may enable the design of LC-based open surface microfluidics that can manipulate both the mobility and chemical compositions of resting droplets on demand, as illustrated in Fig.…”

Section: Introductionmentioning

confidence: 99%

Liquid crystal–based open surface microfluidics manipulate liquid mobility and chemical composition on demand

Rather

Yao

et al. 2021

Sci. Adv.

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The ability to control both the mobility and chemical compositions of microliter-scale aqueous droplets is an essential prerequisite for next-generation open surface microfluidics. Independently manipulating the chemical compositions of aqueous droplets without altering their mobility, however, remains challenging. In this work, we address this challenge by designing a class of open surface microfluidic platforms based on thermotropic liquid crystals (LCs). We demonstrate, both experimentally and theoretically, that the unique positional and orient ational order of LC molecules intrinsically decouple cargo release functionality from droplet mobility via selective phase transitions. Furthermore, we build sodium sulfide-loaded LC surfaces that can efficiently precipitate heavy metal ions in sliding water droplets to final concentration less than 1 part per million for more than 500 cycles without causing droplets to become pinned. Overall, our results reveal that LC surfaces offer unique possibilities for the design of novel open surface fluidic systems with orthogonal functionalities.

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Artificial Organic Skin Wets Its Surface by Field-Induced Liquid Secretion

Cited by 25 publications

References 39 publications

Advanced Functional Liquid Crystals

Advanced Functional Liquid Crystals

Active Surfaces Formed in Liquid Crystal Polymer Networks

Liquid crystal–based open surface microfluidics manipulate liquid mobility and chemical composition on demand

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