Textiles: Fabrics of life

Dolgin, Elie

doi:10.1038/519s10a

Cited by 10 publications

(8 citation statements)

References 6 publications

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“…A concave meniscus pulls the liquid into the capillary, , enabling water transport in trees and penetration of fluids into porous and granular media . A convex meniscus pushes the liquid out of the capillary, an effect employed, e.g., in dirt-repellant fabrics . Controlling the curvature of the meniscus is mandatory for liquid lens technologies, , interfacial assembly, microfluidics, direct-write 3D printing of functional materials, thermal management and printing of microelectronic devices, and more. , However, while the existing methods allow the curvature to be controlled only by varying the chemical composition of the sample, by surface treatment, − or by external fields, ,,, reversible convex–concave curvature switching of menisci by simply varying the temperature has never been hitherto reported.…”

mentioning

confidence: 99%

Anomalous Temperature-Controlled Concave–Convex Switching of Curved Oil–Water Menisci

Shool

Бутенко

Liber

et al. 2021

J. Phys. Chem. Lett.

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While the curvature of the classical liquid surfaces exhibits only a weak temperature dependence, we demonstrate here a reversible temperature-tunable concave–convex shape switching in capillary-contained, surfactant-decorated, oil–water interfaces. The observed switching gives rise to a concave–convex shape transition, which takes place as a function of the width of the containing capillary. This apparent violation of Young’s equation results from a hitherto-unreported sharp reversible hydrophobic–hydrophilic transition of the glass capillary walls. The transition is driven by the interfacial freezing effect, which controls the balance between the competing surfactants’ adsorption on, and consequent hydrophobization of, the capillary walls and their incorporation into the interfacially frozen monolayer. Since capillary wetting by surfactant solutions is fundamental for a wide range of technologies and natural phenomena, the present observations have important implications in many fields, from fluid engineering to biology, and beyond.

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mentioning

confidence: 99%

Anomalous Temperature-Controlled Concave–Convex Switching of Curved Oil–Water Menisci

Shool

Бутенко

Liber

et al. 2021

J. Phys. Chem. Lett.

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“…Since 2016, another type of hybrid material has been used for yachting equipment. It is particularly useful in special activities, allowing opening and closing of temperature-dependent fibers, with the release of hot and humid air [ 78 ].…”

Section: Special Surfacesmentioning

confidence: 99%

Superhydrophobic Natural and Artificial Surfaces—A Structural Approach

et al. 2018

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Since ancient times humans observed animal and plants features and tried to adapt them according to their own needs. Biomimetics represents the foundation of many inventions from various fields: From transportation devices (helicopter, airplane, submarine) and flying techniques, to sports’ wear industry (swimming suits, scuba diving gear, Velcro closure system), bullet proof vests made from Kevlar etc. It is true that nature provides numerous noteworthy models (shark skin, spider web, lotus leaves), referring both to the plant and animal kingdom. This review paper summarizes a few of “nature’s interventions” in human evolution, regarding understanding of surface wettability and development of innovative special surfaces. Empirical models are described in order to reveal the science behind special wettable surfaces (superhydrophobic /superhydrophilic). Materials and methods used in order to artificially obtain special wettable surfaces are described in correlation with plants’ and animals’ unique features. Emphasis is placed on joining superhydrophobic and superhydrophilic surfaces, with important applications in cell culturing, microorganism isolation/separation and molecule screening techniques. Bio-inspired wettability is presented as a constitutive part of traditional devices/systems, intended to improve their characteristics and extend performances.

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“…The Slippery Liquid-Infused Porous Surface (SLIPS) technology includes smooth coatings applied onto military uniforms and medical gowns in order to avoid biological fluid contamination, due to surface fluids incorporated into a micro-/ nano-porous substrate [50,51]. The field of anti-bioadhesion also involves protein adsorption, bacterial adhesion, and cell culturing media, all of them wettabilitydependent phenomena [52].…”

Section: Engineered Superwettability-materials and Coatings: Practicamentioning

confidence: 99%

Natural and Artificial Superwettable Surfaces-Superficial Phenomena: An Extreme Wettability Scenario

Dinu-Pîrvu¹,

Avrămescu²,

Ghica³

et al. 2019

Wettability and Interfacial Phenomena - Implications for Material Processing

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With the help of biomimetics, superficial characteristics were transposed, through various methods, onto artificially obtained materials. Many industrial fields applied surface architecture modifications as improvements of classic materials/methods. The medico-pharmaceutical, biochemical, transportation, and textile fields are few examples of industrial areas welcoming a "structural change." Antibioadhesion was widely exploited by means of antibacterial or self-cleaning fabrics and cell culturing/screening/isolation. Anti-icing, antireflective, and anticorrosion materials/coatings gained attention in the transportation and optical device fields. Interdisciplinary approaches on extreme wettability include "solid-fluid" formations called liquid marbles, which will be further discussed as a superhydrophobic behavior exponent.

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Textiles: Fabrics of life

Cited by 10 publications

References 6 publications

Anomalous Temperature-Controlled Concave–Convex Switching of Curved Oil–Water Menisci

Anomalous Temperature-Controlled Concave–Convex Switching of Curved Oil–Water Menisci

Superhydrophobic Natural and Artificial Surfaces—A Structural Approach

Natural and Artificial Superwettable Surfaces-Superficial Phenomena: An Extreme Wettability Scenario

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