L. Dupont

Publication List Details

Period

1989 - 2008

Number

67

Co-Authors

Synthesis of non-stoichiometric $Bi_2O_{4-x}$ by oxidative precipitation (2007)

Prakash, AS, Shivakumara, C, Hegde, MS, Dupont, L, Tarascon, JM

$Bi_2O_{4-x}$, a Bi mixed-valence phase was prepared at $95 ^0 C$, by a precipitation process, in a basic medium with a highly oxidizing $K_2S_2O_8/Na_2S_2O_8$. This phase has a low thermal stability...

Synthesis of non-stoichiometric $Bi_2O_{4-x}$ by oxidative precipitation (2007)

Prakash, AS, Shivakumara, C, Hegde, MS, Dupont, L, Tarascon, JM

$Bi_2O_{4-x}$, a Bi mixed-valence phase was prepared at $95 ^0 C$, by a precipitation process, in a basic medium with a highly oxidizing $K_2S_2O_8/Na_2S_2O_8$. This phase has a low thermal stability...

Nano-polymer-dispersed liquid crystal as phase modulator for a tunable vertical-cavity surface-emitting laser at 1.55 mum (2006)

Caillaud, B, Dupont, L, Lecorre, A, Folliot, H, ...

We demonstrate what we believe is the first nonmechanical tunable vertical-cavity surface-emitting laser operating in the C band. This was achieved as a result of the combination of an InGaAs quantum...

Rapid screening of DOM's metal-binding ability using a fluorescence-based microplate assay (2006)

Holgado, R, Maestri, G, Guillon, E, Dupont, L

This note describes the development of a method to rapidly quantify the metal-binding ability of low-volume DOM samples based on their fluorescence properties. The method uses 96-well microplates to...

Late Quaternary palynology in marine sediments: a synthesis of the understanding of pollen distribution patterns in the NW African setting. (2006)

Hooghiemstra, H., Lézine, A.M., Leroy, S.A.G., Dupont, L., Marret, F.

After a review of the first steps in marine palynology, we show that the understanding of the northwest African setting is crucial to evaluate the potential of marine palynological studies elsewhere....

Effects of spontaneously chosen crank rate variations on electromyographic responses in sub-maximal arm exercise in inexperienced subjects (2004)

Dupont, L, Vanvelcenaher, J, Clarys, J P, Pelayo, P

The aim of the present study was to compare electromyographic responses during arm exercises with a crank rate chosen spontaneously ( T(S)) or set at 20% below or above ( T(-20), T(+20)) the...

Taraxerol and Rhizophora pollen as proxies for tracking past Mangrove ecosystems (2004)

Sinninghe Damsté, J.S., Versteegh, G.J.M., Schefuss, E., Dupont, L., Marret, F., Jansen, J.H.F.

Angola Basin and Cape Basin (southeast Atlantic) surface sediments and sediment cores show that maxima in the abundance of taraxerol (relative to other land-derived lipids) covary with maxima in the...

Maximal lactate steady state does not correspond to a complete physiological steady state (2003)

Dekerle, J, Robin, S, Neviere, R, Dupont, L, Matran, R, ...

The purpose of this study was to verify whether the maximal lactate steady state (MLSS) corresponds to a physiological steady state. Eight male trained subjects performed a 30-min test on a cycle...

A reversible copper extrusion-insertion electrode for rechargeable Li batteries (2003)

Rozier, P, Dupont, L, Mugnier, E, Sannier, L, Galy, J, ...

Although widely used, the most promising Li-based technologies still suffer from a lack of suitable electrodes. There is therefore a need to seek new materials concepts to satisfy the increasing...

Maximal lactate steady state, respiratory compensation threshold and critical power (2003)

Baron, B, Dupont, L, Vanvelcenaher, J, Pelayo, P

Critical power (CP) and the second ventilatory threshold (VT(2)) are presumed to indicate the power corresponding to maximal lactate steady state (MLSS). The aim of this study was to investigate the...

Characterization and comparison of two ligno-cellulosic substrates by (13)C CP/MAS NMR, XPS, conventional pyrolysis and thermochemolysis (2002)

Derenne, S, Dupont, L, Guillon, E, Largeau, C, Dumonceau, J, ...

Ligno-cellulosic substrates (LCSs) isolated from wheat straw and bran exhibit high complexing capacities and may have important applications for metal removal from industrial effluents. These two...

Use of a NICA-Donnan approach for analysis of proton binding to a lignocellulosic substrate extracted from wheat bran (2002)

Dupont, L, Dumonceau, J, Aplincourt, M

The acid-base properties of a lignocellulosic substrate extracted from wheat bran have been investigated. The lignocellulosic substrate was first studied by use of FTIR, XPS, and solid-state 13C NMR...

Spontaneously chosen crank rate variations in submaximal arm exercise with inexperienced subjects. Effects on cardiorespiratory and efficiency parameters (2002)

Dupont, L, Maillet, M, Weissland, T, Vanvelcenaher, J, Pelayo, P

The aim of the present study was to compare the physiological responses during arm exercises when the crank rate was chosen spontaneously (TS) or set at +/- 20 % (T-20, T+ 20) of the spontaneously...

Thin Films of Antimony-Tin Oxide as Counter-Electrodes for Proton Working Electrochromic Devices (2002)

Naghavi, N., Marcel, C., Dupont, L., Rougier, A., Tarascon, J. M.

We report here on thin films proton-working electrochromic devices based on the well-known tungsten oxide as the coloring electrode, and Antimony Tin Oxide (ATO) as the ion-storage counter-electrode....

Original 2-alkylamino-6-halogenoquinazolin-4(3H)-ones and K(ATP) channel activity (2001)

Ouedraogo, R, Antoine, M H, De Tullio, P, Becker, B, ...

A series of 6-substituted 2-alkylaminoquinazolin-4(3H)-ones structurally related to 3-alkylamino-4H-pyrido[4,3-e]-1,2,4-thiadiazine 1,1-dioxides were synthesized and tested as putative K(ATP) channel...

RPE responses during arm and leg exercises: effect of variations in spontaneously chosen crank rate (2001)

Dupont, L, Garcin, M, Vanvelcenaher, J, Pelayo, P

The aim of this study was two-fold. First, the rating of perceived exertion (RPE) was compared between two different upper and lower body exercises. Subjects (n = 12) performed with spontaneously...

Nano-sized transition-metal oxides as negative-electrode materials for lithium-ion batteries (2000)

Laruelle, S, Grugeon, S, Dupont, L, Tarascon, J M

Rechargeable solid-state batteries have long been considered an attractive power source for a wide variety of applications, and in particular, lithium-ion batteries are emerging as the technology of...

Characterization of a Snorhizobium meliloti ATP-binding cassette histidine transporter also involved in betaine and proline uptake (2000)

Dupont, L, Mignot, T, Osteräs, M, Lambert, A, Poggi, M C, ...

The symbiotic soil bacterium Sinorhizobium meliloti uses the compatible solutes glycine betaine and proline betaine for both protection against osmotic stress and, at low osmolarities, as an energy...

3-Alkylamino-4H-pyrido[2,3-e]-1,2,4-thiadiazine 1,1-dioxides structurally related to diazoxide and pinacidil as potassium channel openers acting on vascular smooth muscle cells: design, synthesis, and pharmacological evaluation (2000)

Ouedraogo, R, De Tullio, P, Khelili, S, Somers, F, Boverie, S, ...

A series of 3-alkylamino-4H-pyrido[2,3-e]-1,2,4-thiadiazine 1, 1-dioxides structurally related to diazoxide and pinacidil were synthesized and tested as possible K(ATP) channel openers on isolated...

Plasmid integration in a wide range of bacteria mediated by the integrase of Lactobacillus delbrueckii bacteriophage mv4 (1997)

Coddeville, M, Ritzenthaler, P, Dupont, L

Bacteriophage mv4 is a temperate phage infecting Lactobacillus delbrueckii subsp. bulgaricus. During lysogenization, the phage integrates its genome into the host chromosome at the 3' end of a...

Defective site-specific integration elements are present in the genome of virulent bacteriophage LL-H of Lactobacillus delbrueckii (1996)

Dupont, L, Alatossava, T, Ritzenthaler, P

The phage attachment site, attP, and the integrase-encoding gene, int, are sufficient to promote site-specific integration of the temperate phage mv4 genome into the chromosome of the Lactobacillus...

3-and 4-substituted 4H-pyrido[4,3-e]-1,2,4-thiadiazine 1,1-dioxides as potassium channel openers: synthesis, pharmacological evaluation, and structure-activity relationships (1996)

Pirotte, B, Lebrun, P, Dupont, L, Antoine, M H, ...

4-N-Substituted and -unsubstituted 3-alkyl- and 3-(alkylamino)-4H-pyrido[4,3-e]-1,2,4-thiadiazine 1,1-dioxides were synthesized and tested vs diazoxide and selected 3-alykl- and...

Molecular comparison of the structural proteins encoding gene clusters of two related Lactobacillus delbrueckii bacteriophages (1993)

Dupont, L, Baumann, M, Ritzenthaler, P, Alatossava, T

Virulent phage LL-H and temperate phage mv4 are two related bacteriophages of Lactobacillus delbrueckii. The gene clusters encoding structural proteins of these two phages have been sequenced and...

Smectic A and C* liquid crystal light valves (1993)

Dupont, L., Wu, Z., Cambon, P.

The development of light valves for application in the domain of imaging and information display has benefited from simultaneous advances in liquid crystal materials. We will focus on recent...

Smectic A and C* liquid crystal light valves (1993)

Dupont, L., Wu, Z., Cambon, P.

The development of light valves for application in the domain of imaging and information display has benefited from simultaneous advances in liquid crystal materials. We will focus on recent...

Smectic A and C* liquid crystal light valves (1993)

Dupont, L., Wu, Z., Cambon, P.

The development of light valves for application in the domain of imaging and information display has benefited from simultaneous advances in liquid crystal materials. We will focus on recent...

Structure of N-tert-butoxycarbonyl-L-phenylalanine benzyl ester (1992)

Agelis, G, Matsoukas, J, Moore, G J, Dupont, L, Englebert, S

C21H25NO4, Mr = 355.4, monoclinic, P2(1), a = 5.206 (2), b = 17.294 (4), c = 10.972 (2) A, beta = 98.91 (1) degrees, V = 976 (1) A3, Z = 2, Dx = 1.21 Mg m-3, lambda(Cu K alpha) = 1.5418 A, mu = 0.68...

PAF-receptor. 1. 'Cache-oreilles' effect of selected high-potency platelet-activating factor (PAF) antagonists (1992)

Godfroid, J J, Lamotte-Brasseur, J, Batt, J P, Heymans, F, Dupont, L, ...

Three-dimensional electrostatic maps were calculated for six potent antagonists of platelet-activating factor (PAF), the antagonists being selected for their apparent structural heterogeneity. The...

[Molecular modelling of usambarensine, tubulosine and emetine, cytotoxic amebicide alkaloids] (1991)

Dupont, L, Wright, C W, Phillipson, J D, Warhurst, D C, Angenot, L

The analyses of the different possible conformations of usambarensine, tubulosine and emetine, which possess interesting cytotoxic and amoebicide properties showed us that they cannot take the planar...

Linear electroclinic coupling in ferroelectric liquid crystals (1991)

Dupont, L., Glogarová, M., Marcerou, J., Nguyen, H., Destrade, C.

We report a study of the electroclinic coupling (soft mode), close to the smectic A to smectic C* phase transition in several chiral compounds. The main characteristic of the technique used is to...

Linear electroclinic coupling in ferroelectric liquid crystals (1991)

Dupont, L., Glogarová, M., Marcerou, J., Nguyen, H., Destrade, C.

We report a study of the electroclinic coupling (soft mode), close to the smectic A to smectic C* phase transition in several chiral compounds. The main characteristic of the technique used is to...

Linear electroclinic coupling in ferroelectric liquid crystals (1991)

Dupont, L., Glogarová, M., Marcerou, J., Nguyen, H., Destrade, C.

We report a study of the electroclinic coupling (soft mode), close to the smectic A to smectic C* phase transition in several chiral compounds. The main characteristic of the technique used is to...

Cloning, expression and sequence analysis of an endolysin-encoding gene of Lactobacillus bulgaricus bacteriophage mv1 (1990)

Lahbib-Mansais, Y, Dupont, L, Ritzenthaler, P, Mata, M

The lysA gene specifying an endolysin of Lactobacillus delbrueckii subsp. bulgaricus bacteriophage mv1, was cloned and expressed in Escherichia coli. The 4.05-kb restriction fragment containing this...

Isolation of enterotoxigenic Escherichia coli from a foal with diarrhea (1989)

Sriranganathan, N, DuPont, L

Enterotoxigenic Escherichia coli was isolated from a 3-day-old foal with diarrhea. The isolate was distinguished from nonpathogenic E coli by determining the presence of pili and enterotoxin...

A comparison of possible disclination mechanisms of switching in thin ferroelectric liquid crystal samples (1989)

Marcerou, J.P., Destrade, C., Dupont, L.

Three possible disclination models of a nucleation : on a sample surface ; over the whole sample thickness ; in the sample bulk ; describing the switching process in thin ferroelectric liquid crystal...

A comparison of possible disclination mechanisms of switching in thin ferroelectric liquid crystal samples (1989)

Marcerou, J.P., Destrade, C., Dupont, L.

Three possible disclination models of a nucleation : on a sample surface ; over the whole sample thickness ; in the sample bulk ; describing the switching process in thin ferroelectric liquid crystal...

A comparison of possible disclination mechanisms of switching in thin ferroelectric liquid crystal samples (1989)

Marcerou, J.P., Destrade, C., Dupont, L.

Three possible disclination models of a nucleation : on a sample surface ; over the whole sample thickness ; in the sample bulk ; describing the switching process in thin ferroelectric liquid crystal...

Defective site-specific integration elements are present in the genome of virulent bacteriophage LL-H of Lactobacillus delbrueckii.

Mikkonen, M, Dupont, L, Alatossava, T, Ritzenthaler, P

The phage attachment site, attP, and the integrase-encoding gene, int, are sufficient to promote site-specific integration of the temperate phage mv4 genome into the chromosome of the Lactobacillus...

Characterization of genetic elements required for site-specific integration of Lactobacillus delbrueckii subsp. bulgaricus bacteriophage mv4 and construction of an integration-proficient vector for Lactobacillus plantarum.

Dupont, L, Boizet-Bonhoure, B, Coddeville, M, Auvray, F, Ritzenthaler, P

Temperate phage mv4 integrates its DNA into the chromosome of Lactobacillus delbrueckii subsp. bulgaricus strains via site-specific recombination. Nucleotide sequencing of a 2.2-kb attP-containing...

Plasmid integration in a wide range of bacteria mediated by the integrase of Lactobacillus delbrueckii bacteriophage mv4.

Auvray, F, Coddeville, M, Ritzenthaler, P, Dupont, L

Bacteriophage mv4 is a temperate phage infecting Lactobacillus delbrueckii subsp. bulgaricus. During lysogenization, the phage integrates its genome into the host chromosome at the 3' end of a...

Molecular comparison of the structural proteins encoding gene clusters of two related Lactobacillus delbrueckii bacteriophages.

Vasala, A, Dupont, L, Baumann, M, Ritzenthaler, P, Alatossava, T

Virulent phage LL-H and temperate phage mv4 are two related bacteriophages of Lactobacillus delbrueckii. The gene clusters encoding structural proteins of these two phages have been sequenced and...

Defective site-specific integration elements are present in the genome of virulent bacteriophage LL-H of Lactobacillus delbrueckii.

Mikkonen, M, Dupont, L, Alatossava, T, Ritzenthaler, P

The phage attachment site, attP, and the integrase-encoding gene, int, are sufficient to promote site-specific integration of the temperate phage mv4 genome into the chromosome of the Lactobacillus...

Characterization of genetic elements required for site-specific integration of Lactobacillus delbrueckii subsp. bulgaricus bacteriophage mv4 and construction of an integration-proficient vector for Lactobacillus plantarum.

Dupont, L, Boizet-Bonhoure, B, Coddeville, M, Auvray, F, Ritzenthaler, P

Temperate phage mv4 integrates its DNA into the chromosome of Lactobacillus delbrueckii subsp. bulgaricus strains via site-specific recombination. Nucleotide sequencing of a 2.2-kb attP-containing...

Plasmid integration in a wide range of bacteria mediated by the integrase of Lactobacillus delbrueckii bacteriophage mv4.

Auvray, F, Coddeville, M, Ritzenthaler, P, Dupont, L

Bacteriophage mv4 is a temperate phage infecting Lactobacillus delbrueckii subsp. bulgaricus. During lysogenization, the phage integrates its genome into the host chromosome at the 3' end of a...

Molecular comparison of the structural proteins encoding gene clusters of two related Lactobacillus delbrueckii bacteriophages.

Vasala, A, Dupont, L, Baumann, M, Ritzenthaler, P, Alatossava, T

Virulent phage LL-H and temperate phage mv4 are two related bacteriophages of Lactobacillus delbrueckii. The gene clusters encoding structural proteins of these two phages have been sequenced and...

Weakly acidic reflux in patients with chronic unexplained cough during 24 hour pressure, pH, and impedance monitoring

Sifrim, D, Dupont, L, Blondeau, K, Zhang, X, Tack, J, Janssens, J

Background and aims: Acid gastro-oesophageal reflux is one of the most important causes of chronic cough. The response to acid suppression in these patients is not as good as in patients with...