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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.2c00788
|2 doi
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|a pubmed24n1140.xml
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|a (NLM)35687828
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|a DE-627
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|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Gaxiola-López, Julio C
|e verfasserin
|4 aut
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| 245 |
1 |
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|a 3D Printed Parahydrophobic Surfaces as Multireaction Platforms
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 28.06.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Parahydrophobic surfaces (PHSs) composed of arrays of cubic μ-pillars with a double scale of roughness and variable wettability were systematically obtained in one step and a widely accessible stereolithographic Formlabs 3D printer. The wettability control was achieved by combining the geometrical parameters (H = height and P = pitch) and the surface modification with fluoroalkyl silane compounds. Homogeneous distribution of F and Si atoms onto the pillars was observed by XPS and SEM-EDAX. A nano-roughness on the heads of the pillars was achieved without any post-treatment. The smallest P values lead to surfaces with static contact angles (CAs) >150° regardless of the H utilized. Interestingly, the relationship 0.6 ≤ H/P ≤ 2.6 obtained here was in good agreement with the H/P values reported for nano- and submicron pillars. Furthermore, experimental CAs, advancing and receding CAs, were consistent with the theoretical prediction from the Cassie-Baxter model. Structures covered with perfluorodecyltriethoxysilane with high H and short P lead to PHSs. Conversely, structures covered with perfluorodecyltrimethoxysilane exhibited a superhydrophobic behavior. Finally, several aqueous reactions, such as precipitation, coordination complex, and nanoparticle synthesis, were carried out by placing the reactive agents as microdroplets on the parahydrophobic pillars, demonstrating the potential application as chemical multi-reaction array platforms for a large variety of relevant fields in microdroplet manipulation, microfluidics systems, and health monitoring, among others
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|a Journal Article
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| 700 |
1 |
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|a Lara-Ceniceros, Tania E
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Silva-Vidaurri, Luis Gerardo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Advincula, Rigoberto C
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bonilla-Cruz, José
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 38(2022), 25 vom: 28. Juni, Seite 7740-7749
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:38
|g year:2022
|g number:25
|g day:28
|g month:06
|g pages:7740-7749
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|u http://dx.doi.org/10.1021/acs.langmuir.2c00788
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