In Situ Synthesis of a Mesoporous MIL-100(Fe) Bacteria Exoskeleton

Anastasia Permyakova; Alshaba Kakar; Jonathan Bachir; Effrosyni Gkaniatsou; Bernard Haye; Nicolas Menguy; Farid Nouar; Christian Serre; Nathalie Steunou; Thibaud Coradin; Francisco M. Fernandes; Clémence Sicard

doi:10.1021/acsmaterialslett.2c00820

journal article·2023-01-02Open access

In Situ Synthesis of a Mesoporous MIL-100(Fe) Bacteria Exoskeleton

Anastasia Permyakova, Alshaba Kakar, Jonathan Bachir, Effrosyni Gkaniatsou, Bernard Haye, Nicolas Menguy, Farid Nouar, Christian Serre, Nathalie Steunou, Thibaud Coradin, Francisco M. Fernandes, Clémence Sicard

ACS Materials Letters· Volume 5· Issue 1

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Source abstract

Abstract

The mesoporous iron polycarboxylate MIL-100(Fe) was synthesized in the presence of Pseudomonas putida bacteria. The synthesis was performed under green conditions, i.e., pure aqueous media at 30 °C that were compatible with the preservation of the cell membrane integrity. Interestingly, the resulting biohybrid exhibited a very different microstructure than a physical mixture of the two components, as it led to the formation of a novel living material featuring an exoskeleton encapsulating individual bacteria cell. Remarkably, TEM and STEM observations on cross sections revealed that this shell was not directly in contact with the cell wall, suggesting the exopolysaccharides network promotes strong interactions with the MOF precursors, leading to high proximity between the two components.

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Research context

OpenAlex topics: Metal-Organic Frameworks: Synthesis and Applications · Polyoxometalates: Synthesis and Applications · Advanced Nanomaterials in Catalysis

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institut Lavoisier de Versailles, UMR CNRS 8180, UVSQ, Université Paris-Saclay, 78035 Versailles, France

Laboratoire de Chimie de la Matière Condensée de Paris, UMR 7574, Sorbonne Université, F-75005 Paris, France

Sorbonne Université, Muséum National d’Histoire Naturelle, UMR CNRS 7590, IRD. Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC), F-75005 Paris, France

Institut des Matériaux Poreux de Paris (IMAP), Ecole Normale Supérieure de Paris, ESPCI Paris, CNRS, PSL University, 75005 Paris, France

Funding

Agence Nationale de la Recherche · Conseil R?gional, ?le-de-France

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