Výsledky vyhledávání - "Germaine Thomas"

Variabilité de traits éco-physiologiques du pommier en réponse au stress hydrique

Autor: Germaine, Thomas

After a short presentation of the context, the objectives and the materials, we will present the main results of the study and conclude with some suggestions of improvement. To meet the challenges of climate change and a more productive farming, a lo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______166::4629121e6b28d6904bdb94992767b32f
https://hal.archives-ouvertes.fr/hal-01267952

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Complexes binaires du nickel(II) et du zinc(II) avec la 1-canavanine et la 1-arginine, études potentiométriques et spectroscopiques

Autor: Michelle Petit-Ramel, Jean Jacques Vallon, Germaine Thomas-David, Abdallah Albourine

Publikováno v: Canadian Journal of Chemistry. 69:1344-1351

The stability constants of binary complexes of 1-canavanine (Can) and 1-arginine (Arg) with Ni2+ and Zn2+ have been calculated at 25 °C and at ionic strength μ = 0.1 (NaNO3). This technique is completed with spectrophotometry and circular dichroïs

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::57fe2cc4d6742b48993a4d387c9b9f54
https://doi.org/10.1139/v91-200

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Application de la spectrométrie infrarouge, Raman et résonance magnétique nucléaire à l'étude des complexes en solution aqueuse. Al3+–H2C2O4

Autor: Francois Bertin, M. Jaber, Germaine Thomas-David

Publikováno v: Canadian Journal of Chemistry. 55:3689-3699

A study by Raman spectrometry of the system Al3+–H2C2O4 in aqueous solution as a function of the acidity of the solution and of the ratio t = [metal]/[ligand] shows very clearly the successive formation of the complexes Al(C2O4)+, Al(C2O4)2−, and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::02fa2eb8ab7c08cf4c8c7e3e7ec31755
https://doi.org/10.1139/v77-518

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Complexes binaires et ternaires du cuivre(II) avec la 1-canavanine et la 1-arginine examinés par potentiométrie, spectrophotométrie visible et dichroïsme circulaire

Autor: Germaine Thomas-David, Michelle Petit-Ramel, Jean-Jacques Vallon, Abdallah Albourine

Publikováno v: Canadian Journal of Chemistry. 67:959-966

The protonation constants of 1 -canavanine (Can) and its structural analogue 1-arginine (Arg) have been calculated at 25 °C and at ionic strength μ = 0.1 (NaNO3). Under the same conditions, the stability constants of the binary and ternary complexe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::01a95558cd313d5a68e182e6546609ee
https://doi.org/10.1139/v89-147

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Complexes des ions Hg2+ avec Le monomère et le dimère de la thymine: 5-methyl-2,4 (1H, 3H) pyrimidinedione

Autor: Michelle Petit-Ramel, G. Perichet, Germaine Thomas-David, P. Pouyet

Publikováno v: Canadian Journal of Chemistry. 62:22-26

The association constants for Hg2+-complexes involving monomeric (TM) and dimeric (TD) forms of thymine are determined by pH-titration measurements made over a wide pH range 2 2+ to form two bonds in a linear configuration, non-chelate complexes [Hg(

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8dcddf357014788567e8874a9eaef855
https://doi.org/10.1139/v84-005

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Application de la spectrométrie infrarouge et Raman à l'étude des complexes en solution aqueuse: Fe3+–H2C2O4

Autor: Germaine Thomas-David, Mohsen Jaber, Francois Bertin

Publikováno v: Canadian Journal of Chemistry. 58:1220-1228

A study by Raman spectrometry of the System Fe3+–H2C2O4 in aqueous solution shows very clearly the successive formation of the three complexes: Fe(C2O4)+, Fe(C2O4)2−, Fe(C2O4)33−. Each species is characterised by a specific Raman spectrum.The e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::33d94c5680c548ceb0292b8d2b90b350
https://doi.org/10.1139/v80-190

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Interactions du Cu(II), du Hg(II) et du Pt(II) avec les formes monomères et dimères de la thymine, de la thymidine et de l'acide orotique

Autor: Germaine Thomas-David, G. Perichet, Raoul M'boungou, Michelle Petit-Ramel, B. Pouyet

Publikováno v: Canadian Journal of Chemistry. 65:1479-1484

The protonation constants of monomeric (TM) and dimeric (TD) forms of thymine and monomeric (OM) and dimeric (OD) forms of orotic acid and thymidine (TY) have been calculated at 25 and 37 °C and at ionic strength μ = 0.1 (NaNO3). Under the same con

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3b9e4926b210d220fe2dc3339d8a05ff
https://doi.org/10.1139/v87-252

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Etude potentiometrique des picolates de lanthane,praseodyme et neodyme

Autor: Germaine Thomas, Laurent Moyne

Publikováno v: Analytica Chimica Acta. 31:583-589

Resume Les auteurs ont determine par une methode potentiometrique les constantes de stabilite successives des picolates de lanthane, praseodyme et neodyme en solution aqueuse pour deux forces ioniques: μ = 0.02 et μ = 0.5, en milieu perchlorate de

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::98d979013f0d47072a85a5441413306c
https://doi.org/10.1016/s0003-2670(00)88879-0

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