{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["2(4)"],"submitter":["Gladisch J"],"pubmed_abstract":["The porosity of filters is typically fixed; thus, complex purification processes require application of multiple specialized filters. In contrast, smart filters with controllable and tunable properties enable dynamic separation in a single setup. Herein, an electroactive filter with controllable pore size is demonstrated. The electroactive filter is based on a metal mesh coated with a polythiophene polymer with ethylene glycol sidechains (p(g3T2)) that exhibit unprecedented voltage-driven volume changes. By optimizing the polymer coating on the mesh, controllable porosity during electrochemical addressing is achieved. The pores reversibly open and close, with a dynamic range of more than 95%, corresponding to over 30 μm change of pores' widths. Furthermore, the pores' widths could be defined by applied potential with a 10 μm resolution. From among hundreds of pores from different samples, about 90% of the pores could be closed completely, while only less than 1% are inactive. Finally, the electroactive filter is used to control the flow of a dye, highlighting the potential for flow control and smart filtration applications."],"journal":["Small science"],"pagination":["2100113"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11935962"],"repository":["biostudies-literature"],"pubmed_title":["An Electroactive Filter with Tunable Porosity Based on Glycolated Polythiophene."],"pmcid":["PMC11935962"],"pubmed_authors":["Oikonomou VK","Moser M","Berggren M","Stavrinidou E","Griggs S","Gladisch J","McCulloch I"],"additional_accession":[]},"is_claimable":false,"name":"An Electroactive Filter with Tunable Porosity Based on Glycolated Polythiophene.","description":"The porosity of filters is typically fixed; thus, complex purification processes require application of multiple specialized filters. In contrast, smart filters with controllable and tunable properties enable dynamic separation in a single setup. Herein, an electroactive filter with controllable pore size is demonstrated. The electroactive filter is based on a metal mesh coated with a polythiophene polymer with ethylene glycol sidechains (p(g3T2)) that exhibit unprecedented voltage-driven volume changes. By optimizing the polymer coating on the mesh, controllable porosity during electrochemical addressing is achieved. The pores reversibly open and close, with a dynamic range of more than 95%, corresponding to over 30 μm change of pores' widths. Furthermore, the pores' widths could be defined by applied potential with a 10 μm resolution. From among hundreds of pores from different samples, about 90% of the pores could be closed completely, while only less than 1% are inactive. Finally, the electroactive filter is used to control the flow of a dye, highlighting the potential for flow control and smart filtration applications.","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Apr","modification":"2025-07-01T03:05:01.949Z","creation":"2025-07-01T03:05:01.949Z"},"accession":"S-EPMC11935962","cross_references":{"pubmed":["40212673"],"doi":["10.1002/smsc.202100113"]}}