{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Yang S"],"funding":["Swiss National Science Foundation","Kommission für Technologie und Innovation","École Polytechnique Fédérale de Lausanne"],"pagination":["4542-4549"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC6498544"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["10(17)"],"pubmed_abstract":["Metal-organic frameworks are of interest in a number of host-guest applications. However, their weak coordination bonding often leads to instability in aqueous environments, particularly at extreme pH, and hence, is a challenging topic in the field. In this work, a two-step, post-synthetic polymerization method is used to create a series of highly hydrophobic, stable MOF composites. The MOFs are first coated with thin layers of polydopamine from free-base dopamine under a mild oxygen atmosphere, which then undergoes a Michael addition to covalently graft hydrophobic molecules to the external MOF surface. This easy, mild post-synthetic modification is shown to significantly improve the stability of a number of structurally diverse MOFs including HKUST-1 (Cu), ZIF-67 (Co), ZIF-8 (Zn), UiO-66 (Zr), Cu-TDPAT (Cu), Mg-MOF-74 (Mg) and MIL-100 (Fe) in wet, caustic (acidic and basic) environments as determined by powder X-ray diffraction and surface area measurements."],"journal":["Chemical science"],"pubmed_title":["A new post-synthetic polymerization strategy makes metal-organic frameworks more stable."],"pmcid":["PMC6498544"],"funding_grant_id":["PYAPP2_160581","160581"],"pubmed_authors":["Bulut S","Sun DT","Jamali A","Oveisi E","Asgari M","Queen WL","Peng L","Yang S","Trukhina O"],"additional_accession":[]},"is_claimable":false,"name":"A new post-synthetic polymerization strategy makes metal-organic frameworks more stable.","description":"Metal-organic frameworks are of interest in a number of host-guest applications. However, their weak coordination bonding often leads to instability in aqueous environments, particularly at extreme pH, and hence, is a challenging topic in the field. In this work, a two-step, post-synthetic polymerization method is used to create a series of highly hydrophobic, stable MOF composites. The MOFs are first coated with thin layers of polydopamine from free-base dopamine under a mild oxygen atmosphere, which then undergoes a Michael addition to covalently graft hydrophobic molecules to the external MOF surface. This easy, mild post-synthetic modification is shown to significantly improve the stability of a number of structurally diverse MOFs including HKUST-1 (Cu), ZIF-67 (Co), ZIF-8 (Zn), UiO-66 (Zr), Cu-TDPAT (Cu), Mg-MOF-74 (Mg) and MIL-100 (Fe) in wet, caustic (acidic and basic) environments as determined by powder X-ray diffraction and surface area measurements.","dates":{"release":"2019-01-01T00:00:00Z","publication":"2019 May","modification":"2025-04-19T11:06:51.319Z","creation":"2019-06-06T23:26:48Z"},"accession":"S-EPMC6498544","cross_references":{"pubmed":["31123563"],"doi":["10.1039/c9sc00135b"]}}