Artificial petal surface based on hierarchical micro- and nanostructures

Park, Yong Mean; Gang, Myeong Gu; Seo, Young Ho; Kim, Byeong Hee

doi:10.1016/j.tsf.2011.07.013

Cited by 47 publications

(32 citation statements)

References 20 publications

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“…In other words, superhydrophobic surface with a high apparent contact angle and low contact angle hysteresis allows the water droplet to roll off easily [ 9 ]. On the other hand, if the high apparent contact angle is accompanied by high contact angle hysteresis, this situation is known as the rose petal effect, whereby the droplet is pinned on the surface [ 10 , 11 , 12 , 13 ]. The differences between these two superhydrophobic wetting conditions will be further discussed in this section.…”

Section: Characteristic Of Superhydrophobic Surfacementioning

confidence: 99%

Potential of Superhydrophobic Surface for Blood-Contacting Medical Devices

Liew

et al. 2021

IJMS

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Medical devices are indispensable in the healthcare setting, ranging from diagnostic tools to therapeutic instruments, and even supporting equipment. However, these medical devices may be associated with life-threatening complications when exposed to blood. To date, medical device-related infections have been a major drawback causing high mortality. Device-induced hemolysis, albeit often neglected, results in negative impacts, including thrombotic events. Various strategies have been approached to overcome these issues, but the outcomes are yet to be considered as successful. Recently, superhydrophobic materials or coatings have been brought to attention in various fields. Superhydrophobic surfaces are proposed to be ideal blood-compatible biomaterials attributed to their beneficial characteristics. Reports have substantiated the blood repellence of a superhydrophobic surface, which helps to prevent damage on blood cells upon cell–surface interaction, thereby alleviating subsequent complications. The anti-biofouling effect of superhydrophobic surfaces is also desired in medical devices as it resists the adhesion of organic substances, such as blood cells and microorganisms. In this review, we will focus on the discussion about the potential contribution of superhydrophobic surfaces on enhancing the hemocompatibility of blood-contacting medical devices.

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Section: Characteristic Of Superhydrophobic Surfacementioning

confidence: 99%

Potential of Superhydrophobic Surface for Blood-Contacting Medical Devices

Liew

et al. 2021

IJMS

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“…Freezing and manipulating cells encapsulating nanoliter droplets on super-hydrophobic nano-rough surfaces is one of the potential ways of manipulating droplets, as minimal volume technologies offer potential solutions to the current challenges of cryobiology. Nanoengineered super-hydrophobic surfaces can be designed, mimicking the architecture of lotus leaves and rose petals [19]. High contact angles between surfaces and nanoliter droplets could enable control over the shape and size of droplets being manipulated for biopreservation.…”

Section: Future Goals In Cryopreservation Using Nanotechnologymentioning

confidence: 99%

Integrating Nanoscale Technologies with Cryogenics: A Step Towards Improved Biopreservation

Güven

Demirci

2012

Nanomedicine

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“…Meanwhile, Zhongxu Lian has constructed the underwater superhydrophobic surfaces on light alloys by the high-speed wire electrical discharge machining [2]. Inspired by biological non-wettability phenomenon, numbers of artificial non-wettable surfaces have been designed by constructed micro-and nano-scale structures and modified with low surface energy materials [3][4][5]. A vibration-assisted machining method was proposed to generate different micro-structured surfaces on cylindrical surfaces and thus to control surface wettability [6].…”

Section: Introductionmentioning

confidence: 99%

Influence of electric brush‐plating voltage on hydrophobic behaviour of a cauliflower‐like Ni coating surface

Fan

et al. 2018

Micro & Nano Letters

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The effect of the plating voltage on the surface roughness, morphology, chemical composition and wettability of the Ni coatings was investigated by means of Laser scanning confocal microscopy, scanning electronic microscope, X-ray diffraction, energy-dispersive spectroscopy, and water contact angle measurements. The results indicate that the evolution of surface morphology on Ni coatings prepared by brush-plating depends strongly on the variation of plating voltage. The microstructure characterization shows that the typical hierarchical cauliflower-like structures was formed uniformly on the as-prepared Ni coatings. The combination of the porous morphology and hierarchical cauliflower-like structures plays a crucial role in improving the hydrophobic property. In absence of surface chemical modification, the Ni coatings exhibit an excellent hydrophobicity and have a high contact angle of 141 degree. Based on the Cassie-Baxier models, the relationship of two dimensionless geometrical parameters and the wetting property of the Ni coatings were investigated. It was demonstrated that to obtain the stable Cassie hydrophobic state, the aspect ratio and the water contact angle on the basal surface should be as large as possible and the spacing factor should be limited within a specific range for given aspect ratio and water contact angle on the basal surface.

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Artificial petal surface based on hierarchical micro- and nanostructures

Cited by 47 publications

References 20 publications

Potential of Superhydrophobic Surface for Blood-Contacting Medical Devices

Potential of Superhydrophobic Surface for Blood-Contacting Medical Devices

Integrating Nanoscale Technologies with Cryogenics: A Step Towards Improved Biopreservation

Influence of electric brush‐plating voltage on hydrophobic behaviour of a cauliflower‐like Ni coating surface

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