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240909s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c02460
|2 doi
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|a eng
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|a Al-Waeel, Majid
|e verfasserin
|4 aut
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|a Heterogenous Copper(0)-Assisted Dopamine Oxidation
|b A New Pathway to Controllable and Scalable Polydopamine Synthesis
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 09.09.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a In this study, we introduce an approach for synthesizing polydopamine (PDA) through the controlled oxidation of dopamine using metallic copper. Traditional methods of PDA synthesis often encounter challenges such as scalability, reproducibility, and control over polymerization. Our approach utilizes the catalytic properties of metallic copper in the presence of dissolved oxygen to generate reactive oxygen species (ROS) without additional chemicals. This process allows for precise control over dopamine oxidation, leading to reliable, materials and cost-effective upscalable PDA production. We investigated the reaction kinetics and the role of copper and ROS in dopamine oxidation, using several different experimental techniques. Our results demonstrate that, even at low pH, the copper-assisted method produces PDA with properties comparable to those synthesized through conventional means. We propose a mechanism for PDA synthesis that is initiated by oxygen adsorption onto copper surface, leading to the generation of various ROS which act as oxidizing agents in PDA synthesis. This method presents an advancement in the scalable and controlled production of PDA, with potential applications in various scientific and industrial fields
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|a Journal Article
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|a Lukkari, Jukka
|e verfasserin
|4 aut
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|a Kivelä, Henri
|e verfasserin
|4 aut
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|a Salomäki, Mikko
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g (2024) vom: 09. Sept.
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|x 1520-5827
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|u http://dx.doi.org/10.1021/acs.langmuir.4c02460
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