Výsledky vyhledávání - "Sophie Poinsignon"

Polymer functionalization through an enzymatic process: Intermediate products characterization and their grafting onto gum Arabic

Autor: Raphael Dos Santos Morais, Jordane Jasniewski, Michel Linder, Sophie Poinsignon, Marie E. Vuillemin, Blandine Simard, Cédric Paris, Sabine Bouguet-Bonnet, Lionel Muniglia, Florentin Michaux

Publikováno v: International Journal of Biological Macromolecules
International Journal of Biological Macromolecules, Elsevier, 2021, 169, pp.480-491. ⟨10.1016/j.ijbiomac.2020.12.113⟩

The modification of gum Arabic with ferulic acid oxidation products was performed in aqueous medium, at 30 °C and pH 7.5, in the presence of Myceliophthora thermophila laccase as biocatalyst. First, this study aimed to investigate the structures of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fac873014d062d0a412a6f7d7a67112d
https://hal.univ-lorraine.fr/hal-03093688

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Molecular Identification of Endophytic Bacteria in

Autor: Rosella, Spina, Sahar, Saliba, François, Dupire, Agata, Ptak, Alain, Hehn, Séverine, Piutti, Sophie, Poinsignon, Sebastien, Leclerc, Sabine, Bouguet-Bonnet, Dominique, Laurain-Mattar

Publikováno v: International Journal of Molecular Sciences

In this study, endophytic bacteria belonging to the Bacillus genus were isolated from in vitro bulblets of Leucojum aestivum and their ability to produce Amaryllidaceae alkaloids was studied. Proton Nuclear Magnetic Resonance (1H NMR)-based metabolom

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::70e54e897dfdc1fa7814efbacb15f062
https://pubmed.ncbi.nlm.nih.gov/33578992

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Preparation and characterizations of oil palm fronds cellulose nanocrystal (OPF-CNC) as reinforcing filler in epoxy-Zn rich coating for mild steel corrosion protection

Autor: Azeana Zahari, Nicolas Brosse, M. Hazwan Hussin, Nur Fatin Silmi Mohd Azani, M. K. Mohamad Haafiz, Sophie Poinsignon

Publikováno v: International Journal of Biological Macromolecules
International Journal of Biological Macromolecules, Elsevier, 2020, 153, pp.385-398. ⟨10.1016/j.ijbiomac.2020.03.020⟩
International Journal of Biological Macromolecules, Elsevier, 2020, 153, pp.385-398. ⟨10.1016/J.IJBIOMAC.2020.03.020⟩

International audience; Oil palm frond (OPF) is one of largest contributions to the biomass waste from oil palm plantation. In this work, OPF has been successfully utilized to prepare cellulose nanocrystal (OPF-CNC) by acid hydrolysis. OPF was initia

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::34f3b1057643e1d0f8dc4a0c13fa3e99
https://hal.univ-lorraine.fr/hal-02508081

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Increased synthesis of a new oleanane-type saponin in hairy roots of marigold (Calendula officinalis) after treatment with jasmonic acid

Autor: Marek Długosz, Sabine Bouguet-Bonnet, Mathieu Durli, Sophie Poinsignon, Lionel Vernex-Loset, Max Henry, Michał Markowski, Anna Szakiel, Gabriel Krier

Publikováno v: Natural Product Research
Natural Product Research, Taylor & Francis, 2018, 33 (8), pp.1218-1222. ⟨10.1080/14786419.2018.1460840⟩

Native plant of marigold (Calendula officinalis L.) synthesizes oleanolic acid saponins classified as glucosides or glucuronides according to the first residue in sugar chain bound to C-3 hydroxyl group. Hairy root culture, obtained by transformation

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::90d1cbf2a8c4cc66f55bec49bbb9d428
https://doi.org/10.1080/14786419.2018.1460840

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Single-crystal X-ray diffraction study, NMR and electrochemical analysis of a copper( i ) 5,11,17,23-tetra- tert -butyl-25,26,27,28-tetrakis-[(6-methyl-2,2′-bipyridyl-6-yl)methoxy]calix[4]arene complex: an original M 4 L 2 'hand-to-hand' system

Autor: Sabine Bouguet-Bonnet, Marc Beley, Sophie Poinsignon, Bernard Malaman, Sébastien Leclerc, Jean-Bernard Regnouf-de-Vains

Publikováno v: New Journal of Chemistry
New Journal of Chemistry, Royal Society of Chemistry, 2019, 43 (33), pp.13282-13293. ⟨10.1039/c9nj01152h⟩

Attempts to prepare a supramolecular M4L2 box involving two tetra-bipyridyl calix[4]arene units and four copper(I) cations afforded, in fact, complex 2 for which, in the solid state, X-ray diffraction analysis showed that the stoichiometry is indeed

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::817f22a9bde8ca741702072061db7aa7
https://hal.univ-lorraine.fr/hal-02270867

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