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Suppressing the Ring Stain Effect with Superhydrophilic/Superhydrophobic Patterned Surfaces

[Image: see text] The ring stain phenomenon is a critical hindrance to the distribution of the solute during drying for biochemical assays and materials deposition. Herein, we developed a substrate, characterized with hydrophilic spots surrounded by hydrophobic areas, to suppress the ring stain effe...

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Autores principales: Yin, Qiming, Sun, Fengzhi, Wang, Xiaolong, Gao, Shijie, Zhang, Shanyu, Qi, Jianhong, Wang, Ke, Qi, Dongmei
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Chemical Society 2020
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7241024/
https://www.ncbi.nlm.nih.gov/pubmed/32455248
http://dx.doi.org/10.1021/acsomega.0c01568
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author Yin, Qiming
Sun, Fengzhi
Wang, Xiaolong
Gao, Shijie
Zhang, Shanyu
Qi, Jianhong
Wang, Ke
Qi, Dongmei
author_facet Yin, Qiming
Sun, Fengzhi
Wang, Xiaolong
Gao, Shijie
Zhang, Shanyu
Qi, Jianhong
Wang, Ke
Qi, Dongmei
author_sort Yin, Qiming
collection PubMed
description [Image: see text] The ring stain phenomenon is a critical hindrance to the distribution of the solute during drying for biochemical assays and materials deposition. Herein, we developed a substrate, characterized with hydrophilic spots surrounded by hydrophobic areas, to suppress the ring stain effect, and fabricated four kinds of patterned surfaces to investigate the relationship between the surface free energy and ring-suppressing performance. We found that during the evaporation process, a drop was constrained on the hydrophilic spot with a pinned contact line, and the ring stain effect was suppressed significantly. The suppressing performance of the ring stain effect increases with surface free energy differences between the hydrophilic and hydrophobic regions.
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spelling pubmed-72410242020-05-22 Suppressing the Ring Stain Effect with Superhydrophilic/Superhydrophobic Patterned Surfaces Yin, Qiming Sun, Fengzhi Wang, Xiaolong Gao, Shijie Zhang, Shanyu Qi, Jianhong Wang, Ke Qi, Dongmei ACS Omega [Image: see text] The ring stain phenomenon is a critical hindrance to the distribution of the solute during drying for biochemical assays and materials deposition. Herein, we developed a substrate, characterized with hydrophilic spots surrounded by hydrophobic areas, to suppress the ring stain effect, and fabricated four kinds of patterned surfaces to investigate the relationship between the surface free energy and ring-suppressing performance. We found that during the evaporation process, a drop was constrained on the hydrophilic spot with a pinned contact line, and the ring stain effect was suppressed significantly. The suppressing performance of the ring stain effect increases with surface free energy differences between the hydrophilic and hydrophobic regions. American Chemical Society 2020-05-08 /pmc/articles/PMC7241024/ /pubmed/32455248 http://dx.doi.org/10.1021/acsomega.0c01568 Text en Copyright © 2020 American Chemical Society This is an open access article published under an ACS AuthorChoice License (http://pubs.acs.org/page/policy/authorchoice_termsofuse.html) , which permits copying and redistribution of the article or any adaptations for non-commercial purposes.
spellingShingle Yin, Qiming
Sun, Fengzhi
Wang, Xiaolong
Gao, Shijie
Zhang, Shanyu
Qi, Jianhong
Wang, Ke
Qi, Dongmei
Suppressing the Ring Stain Effect with Superhydrophilic/Superhydrophobic Patterned Surfaces
title Suppressing the Ring Stain Effect with Superhydrophilic/Superhydrophobic Patterned Surfaces
title_full Suppressing the Ring Stain Effect with Superhydrophilic/Superhydrophobic Patterned Surfaces
title_fullStr Suppressing the Ring Stain Effect with Superhydrophilic/Superhydrophobic Patterned Surfaces
title_full_unstemmed Suppressing the Ring Stain Effect with Superhydrophilic/Superhydrophobic Patterned Surfaces
title_short Suppressing the Ring Stain Effect with Superhydrophilic/Superhydrophobic Patterned Surfaces
title_sort suppressing the ring stain effect with superhydrophilic/superhydrophobic patterned surfaces
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7241024/
https://www.ncbi.nlm.nih.gov/pubmed/32455248
http://dx.doi.org/10.1021/acsomega.0c01568
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