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Showing 1 to 12 of 17 entries
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Markedly divergent estimates of Amazon forest carbon density from ground plots and satellites.

Global ecology and biogeography : a journal of macroecology

Mitchard ET, Feldpausch TR, Brienen RJ, Lopez-Gonzalez G, Monteagudo A, Baker TR, Lewis SL, Lloyd J, Quesada CA, Gloor M, Ter Steege H, Meir P, Alvarez E, Araujo-Murakami A, Aragão LE, Arroyo L, Aymard G, Banki O, Bonal D, Brown S, Brown FI, Cerón CE, Chama Moscoso V, Chave J, Comiskey JA, Cornejo F, Corrales Medina M, Da Costa L, Costa FR, Di Fiore A, Domingues TF, Erwin TL, Frederickson T, Higuchi N, Honorio Coronado EN, Killeen TJ, Laurance WF, Levis C, Magnusson WE, Marimon BS, Marimon Junior BH, Mendoza Polo I, Mishra P, Nascimento MT, Neill D, Núñez Vargas MP, Palacios WA, Parada A, Pardo Molina G, Peña-Claros M, Pitman N, Peres CA, Poorter L, Prieto A, Ramirez-Angulo H, Restrepo Correa Z, Roopsind A, Roucoux KH, Rudas A, Salomão RP, Schietti J, Silveira M, de Souza PF, Steininger MK, Stropp J, Terborgh J, Thomas R, Toledo M, Torres-Lezama A, van Andel TR, van der Heijden GM, Vieira IC, Vieira S, Vilanova-Torre E, Vos VA, Wang O, Zartman CE, Malhi Y, Phillips OL.
PMID: 26430387
Glob Ecol Biogeogr. 2014 Aug;23(8):935-946. doi: 10.1111/geb.12168. Epub 2014 Apr 22.

AIM: The accurate mapping of forest carbon stocks is essential for understanding the global carbon cycle, for assessing emissions from deforestation, and for rational land-use planning. Remote sensing (RS) is currently the key tool for this purpose, but RS...

Odyssey in Polyphasic Catalysis by Metal Nanoparticles.

Chemical record (New York, N.Y.)

Denicourt-Nowicki A, Roucoux A.
PMID: 27427501
Chem Rec. 2016 Aug;16(4):2127-41. doi: 10.1002/tcr.201600050. Epub 2016 Jul 18.

Nanometer-sized metal particles constitute an unavoidable family of catalysts, combining the advantages of molecular complexes in regards to their catalytic performances and the ones of heterogeneous systems in terms of easy recycling. As part of this research, our group...

Supramolecular shuttle and protective agent: a multiple role of methylated cyclodextrins in the chemoselective hydrogenation of benzene derivatives with ruthenium nanoparticles.

Chemical communications (Cambridge, England)

Nowicki A, Zhang Y, Léger B, Rolland JP, Bricout H, Monflier E, Roucoux A.
PMID: 16391739
Chem Commun (Camb). 2006 Jan 21;(3):296-8. doi: 10.1039/b512838b. Epub 2005 Nov 22.

Efficient chemoselectivities have been obtained in the hydrogenation of benzene derivatives under biphasic liquid-liquid conditions using Ru(0) nanoparticles stabilized and controlled by the relevant choice of cavity and methylation degree of cyclodextrins.

N-donor ligands based on bipyridine and ionic liquids: an efficient partnership to stabilize rhodium colloids. Focus on oxygen-containing compounds hydrogenation.

Physical chemistry chemical physics : PCCP

Denicourt-Nowicki A, Léger B, Roucoux A.
PMID: 21660329
Phys Chem Chem Phys. 2011 Aug 14;13(30):13510-7. doi: 10.1039/c1cp20602h. Epub 2011 Jun 09.

Polynitrogen ligands and/in ionic liquids (ILs) are described as a pertinent tandem to efficiently stabilize rhodium nanoparticles (NPs) in the size range of 2.0 nm for catalytic applications. Several N-donor ligands based on bipyridine skeleton were used as extra...

Polyhydroxylated ammonium chloride salt: a new efficient surfactant for nanoparticles stabilisation in aqueous media. Characterization and application in catalysis.

Dalton transactions (Cambridge, England : 2003)

Hubert C, Denicourt-Nowicki A, Guégan JP, Roucoux A.
PMID: 19727454
Dalton Trans. 2009 Sep 28;(36):7356-8. doi: 10.1039/b911094a. Epub 2009 Jul 24.

A trihydroxyammonium chloride has proved to be an efficient protective agent for Rh(0) nanoparticles and the hydrogenation of arene compounds has been investigated. Significant formation of cyclohexanone in the reduction of anisole has been demonstrated.

Chelated hydrazido(3-)rhenium(V) complexes: on the way to the nitrido-M(V) core (M = Tc, Re).

Inorganic chemistry

Mévellec F, Lepareur N, Roucoux A, Noiret N, Patin H, Bandoli G, Porchia M, Tisato F.
PMID: 11896729
Inorg Chem. 2002 Mar 25;41(6):1591-7. doi: 10.1021/ic0110979.

Neutral and asymmetrical hydrazido(3-)rhenium(V) heterocomplexes of the type [Re(eta(2)-L(4))(L(n))(PPh(3))] (eta(2)-L(4) = NNC(SCH(3))S; H(2)L(1) = S-methyl beta-N-((2-hydroxyphenyl)ethylidene)dithiocarbazate, 1, H(2)L(2) = S-methyl beta-N-((2-hydroxyphenyl)methylidene)dithiocarbazate, 2) are prepared via ligand-exchange reactions in ethanolic solutions starting from [Re(V)(O)Cl(4)](-) in the presence of PPh(3) or...

Role of eye and hand initial position in the directional coding of reaching.

Journal of motor behavior

Vanden Abeele S, Delreux V, Crommelinck M, Roucoux A.
PMID: 15064194
J Mot Behav. 1993 Dec;25(4):280-7. doi: 10.1080/00222895.1993.9941649.

To investigate the nature of the frames of reference used to control an arm movement aimed at a visual target, we studied the accuracy of movements differing by the initial arm and eye positions. The results support the assumption...

Reduced transition metal colloids: a novel family of reusable catalysts?.

Chemical reviews

Roucoux A, Schulz J, Patin H.
PMID: 12371901
Chem Rev. 2002 Oct;102(10):3757-78. doi: 10.1021/cr010350j.

No abstract available.

Interactions between goal-directed eye and arm movements: arguments for an interdependent motor control.

Journal of motor behavior

Delreux V, Vanden Abeele S, Crommelinck M, Roucoux A.
PMID: 14766526
J Mot Behav. 1991 Jun;23(2):147-51. doi: 10.1080/00222895.1991.9942032.

The accuracy of movements of the arm directed toward a point in space was investigated in healthy human subjects. To study the influence of the eye movement itself, on the guidance of the arm in the absence of any...

A surfactant-assisted preparation of well dispersed rhodium nanoparticles within the mesopores of AlSBA-15: characterization and use in catalysis.

Chemical communications (Cambridge, England)

Boutros M, Denicourt-Nowicki A, Roucoux A, Gengembre L, Beaunier P, Gédéon A, Launay F.
PMID: 18566725
Chem Commun (Camb). 2008 Jul 07;(25):2920-2. doi: 10.1039/b802548g. Epub 2008 Apr 15.

Well dispersed and efficient Rh(0) hydrogenation catalysts were obtained by the reduction of Rh(III)-exchanged mesoporous aluminosilicates by sodium borohydride in the presence of N,N-dimethyl-N-cetyl-N-(2-hydroxyethyl) ammonium chloride.

Diphosphite ligands derived from carbohydrates as stabilizers for ruthenium nanoparticles: promising catalytic systems in arene hydrogenation.

Chemical communications (Cambridge, England)

Gual A, Axet MR, Philippot K, Chaudret B, Denicourt-Nowicki A, Roucoux A, Castillon S, Claver C.
PMID: 18688301
Chem Commun (Camb). 2008 Jun 28;(24):2759-61. doi: 10.1039/b802316f. Epub 2008 Apr 09.

Ruthenium nanoparticles (RuNPs) were prepared through the hydrogenation of [Ru(COD)(COT)] (COD = 1,5-cyclooctadiene, COT = 1,3,5-cyclooctatriene) in the presence of diphosphites derived from carbohydrates as stabilizing agents, and interestingly, structural modifications of the diphosphite backbone were found to influence...

Cyclodextrins as growth controlling agents for enhancing the catalytic activity of PVP-stabilized Ru(0) nanoparticles.

Chemical communications (Cambridge, England)

Herbois R, Noël S, Léger B, Bai L, Roucoux A, Monflier E, Ponchel A.
PMID: 22358335
Chem Commun (Camb). 2012 Apr 07;48(28):3451-3. doi: 10.1039/c2cc17355g. Epub 2012 Feb 22.

Cyclodextrins act as growth controllers in the synthesis of PVP-stabilized Ru(0) nanoparticles, leading to enhancement of the catalytic activity in the hydrogenation of furfural.

Showing 1 to 12 of 17 entries