Agronomy for sustainable agriculture. A review (2009)
Lichtfouse, Eric, Navarrete, Mireille, Debaeke, Philippe, Souchère, Véronique, Alberola, Caroline, Ménassieu, Josiane
Sustainability rests on the principle that we must meet the needs of the present without compromising the ability of future generations to meet their own needs. Starving people in poor nations,...
Agronomy for sustainable agriculture. A review (2009)
Lichtfouse, Eric, Navarrete, Mireille, Debaeke, Philippe, Souchère, Véronique, Alberola, Caroline, Ménassieu, Josiane
Sustainability rests on the principle that we must meet the needs of the present without compromising the ability of future generations to meet their own needs. Starving people in poor nations,...
Lichtfouse, Eric, Leblond, Claudette, Da Silva, Martine, Béhar, Françoise
Soil organic matter is a very complex mixture of compounds derived from the decay of living organisms such as plants, fungi and bacteria. The mechanisms that control the preservation of soil organic...
Nouveaux stéroïdes aromatiques fossiles (2007)
Trois nouvelles classes de stéroïdes triaromatiques ont été identifiés dans les roches et les pétroles du bassin de Paris par comparaison avec des substances synthétiques. Ces composés sont...
Fossiles moléculaires dintérêt microbiologique, pétrolier, agronomique et environnemental (2007)
Les fossiles moléculaires sont de puissants outils pour étudier lorigine, la transformation et le transfert de la matière organique dans les écosystèmes modernes et anciens. Marqueurs...
Compound-specific isotope analysis (2007)
The isotopic composition, for example, 14C/12C, 13C/12C, 2H/1H, 15N/14N and 18O/16O, of the elements of matter is heterogeneous. It is ruled by physical, chemical and biological mechanisms. Isotopes...
Patureau, Dominique, Laforie, Mireille, Lichtfouse, Eric, Caria, Giovanni, Denaix, Laurence, Ejbye Schmidt, Jens
Toxic organic compounds, such as the surfactants linear alkylbenzene sulfonates (LAS) and nonylphenol polyethoxylates (NPE), Polycyclic aromatic hydrocarbons (PAH) and residues derived from plastics...
Patureau, Dominique, Laforie, Mireille, Lichtfouse, Eric, Caria, Giovanni, Denaix, Laurence, Ejbye Schmidt, Jens
Toxic organic compounds, such as the surfactants linear alkylbenzene sulfonates (LAS) and nonylphenol polyethoxylates (NPE), Polycyclic aromatic hydrocarbons (PAH) and residues derived from plastics...
14C of grasses as an indicator of fossil fuel CO2 pollution (2005)
Lichtfouse, Eric, Lichtfouse, Michel, Kashgarian, Michaele, Bol, Roland
Measuring the amount of fossil fuel carbon stored in the vegetation is now crucial to understand the mechanisms ruling climate changes. In this respect, highly polluted areas such as major towns...
A 25-year record of polycyclic aromatic hydrocarbons in soils amended with sewage sludges (2005)
Lichtfouse, Eric, Sappin-Didier, V., Denaix, L., Caria, G., Metzger, L., Amellal-Nassr, N., ...
We studied polycyclic aromatic hydrocarbons (PAHs) in crop soils amended with 1000 tonnes dry weight of sewage sludges per 10,000m2 from 1974 to 1992, then after sludges addition from 1993 to 1999....
14C of grasses as an indicator of fossil fuel CO2 pollution (2005)
Lichtfouse, Eric, Lichtfouse, Michel, Kashgarian, Michaele, Bol, Roland
Measuring the amount of fossil fuel carbon stored in the vegetation is now crucial to understand the mechanisms ruling climate changes. In this respect, highly polluted areas such as major towns...
A 25-year record of polycyclic aromatic hydrocarbons in soils amended with sewage sludges (2005)
Lichtfouse, Eric, Sappin-Didier, V., Denaix, L., Caria, G., Metzger, L., Amellal-Nassr, N., ...
We studied polycyclic aromatic hydrocarbons (PAHs) in crop soils amended with 1000 tonnes dry weight of sewage sludges per 10,000m2 from 1974 to 1992, then after sludges addition from 1993 to 1999....
Lichtfouse, Eric, Lichtfouse, Michel, Jaffrézic, Anne
A novel fossil-fuel pollution indicator based on the 13C/12C isotopic composition of plants has been designed. This bioindicator is a promising tool for future mapping of the sequestration of...
Lichtfouse, Eric, Lichtfouse, Michel, Jaffrézic, Anne
A novel fossil-fuel pollution indicator based on the 13C/12C isotopic composition of plants has been designed. This bioindicator is a promising tool for future mapping of the sequestration of...
Study on dynamic change of soil organic matter during corn stalk decomposition by δ13C method (2003)
Sen, Dou, Jin-Jing, Zhang, Lichtfouse, Eric, Ya-Cheng, Cao
In an incubation experiment, dynamic change in amounts of soil organic matter (SOM), HA and FA were studied during corn stalk (CS) decomposition in dark-brown soil by δ13C method. The results...
Study on dynamic change of soil organic matter during corn stalk decomposition by δ13C method (2003)
Sen, Dou, Jin-Jing, Zhang, Lichtfouse, Eric, Ya-Cheng, Cao
In an incubation experiment, dynamic change in amounts of soil organic matter (SOM), HA and FA were studied during corn stalk (CS) decomposition in dark-brown soil by δ13C method. The results...
Lichtfouse, Eric, Rogers, Karyne, Payet, Cécile, Renat, Jean-Christophe
δ 13 C values of crop and forest soils were measured 8 years after disposal of paper sewage sludge. The carbon transfer from paper sludge downward to the first humic layer is evidenced by a 13...
Lichtfouse, Eric, Rogers, Karyne, Payet, Cécile, Renat, Jean-Christophe
δ13C values of crop and forest soils were measured 8 years after disposal of paper sewage sludge. The carbon transfer from paper sludge downward to the first humic layer is evidenced by a...
Lichtfouse, Eric, Rogers, Karyne, Payet, Cécile, Renat, Jean-Christophe
δ13C values of crop and forest soils were measured 8 years after disposal of paper sewage sludge. The carbon transfer from paper sludge downward to the first humic layer is evidenced by a...
Mild hydrolysis and alcohol compounds of humic acids (2002)
Sen, Dou, Lichtfouse, Eric, Mariotti, André
Alcohol compounds of humic acid (HA) hydrolyzed products were studied by using alkaline mild hydrolysis, thin layer chromatography (TLC) and GCMC. The results showed that the alcohols content in HA...
Mild hydrolysis and alcohol compounds of humic acids (2002)
Sen, Dou, Lichtfouse, Eric, Mariotti, André
Alcohol compounds of humic acid (HA) hydrolyzed products were studied by using alkaline mild hydrolysis, thin layer chromatography (TLC) and GCMC. The results showed that the alcohols content in HA...
Laurent, Claire, Feidt, Cyril, Grova, Nathalie, Mpassi, Didier, Lichtfouse, Eric, Laurent, François, ...
Polycyclic aromatic hydrocarbons (PAHs) and dioxins are lipophilic organic pollutants occurring widely in the terrestrial environment. In order to study the PAHs and...
Laurent, Claire, Feidt, Cyril, Grova, Nathalie, Mpassi, Didier, Lichtfouse, Eric, Laurent, François, ...
Polycyclic aromatic hydrocarbons (PAHs) and dioxins are lipophilic organic pollutants occurring widely in the terrestrial environment. In order to study the PAHs and...
δ13C of plant-derived n-alkanes in soil particle-size fractions (2001)
Cayet, Cristèle, Lichtfouse, Eric
Soil organic carbon can be labelled at natural abundance by the cultivation of C4 plants, e.g. maize, on soils which have been previously cropped with isotopically distinct C3 plants, e.g. wheat....
δ13C of plant-derived n-alkanes in soil particle-size fractions (2001)
Cayet, Cristèle, Lichtfouse, Eric
Soil organic carbon can be labelled at natural abundance by the cultivation of C4 plants, e.g. maize, on soils which have been previously cropped with isotopically distinct C3 plants, e.g. wheat....
Milk-blood transfer of 14C-tagged polycyclic aromatic hydrocarbons (PAHs) in pigs (2001)
Laurent, Claire, Feidt, Cyril, Lichtfouse, Eric, Grova, Nathalie, Laurent, François, Rychen, Guido
Polycyclic aromatic hydrocarbons (PAHs) are lipophilic organic pollutants occurring widely in the terrestrial environment. To study the transfer of PAHs in the food chain, pigs have been fed with...
Milk-blood transfer of 14C-tagged polycyclic aromatic hydrocarbons (PAHs) in pigs (2001)
Laurent, Claire, Feidt, Cyril, Lichtfouse, Eric, Grova, Nathalie, Laurent, François, Rychen, Guido
Polycyclic aromatic hydrocarbons (PAHs) are lipophilic organic pollutants occurring widely in the terrestrial environment. To study the transfer of PAHs in the food chain, pigs have been fed with...
Fossiles moléculaires dintérêt microbiologique, pétrolier, agronomique et environnemental (2000)
Les fossiles moléculaires sont des substances organiques présentes dans les sols, les sédiments, le charbon et le pétrole brut. L'étude de ces fossiles moléculaires a généré de nombreux...
The isotopic composition, for example, 14C/12C, 13C/12C, 2H/1H, 15N/14N and 18O/16O, of the elements of matter is heterogeneous. It is ruled by physical, chemical and biological mechanisms. Isotopes...
The isotopic composition, for example, 14C/12C, 13C/12C, 2H/1H, 15N/14N and 18O/16O, of the elements of matter is heterogeneous. It is ruled by physical, chemical and biological mechanisms. Isotopes...
Fossiles moléculaires dintérêt microbiologique, pétrolier, agronomique et environnemental (2000)
Les fossiles moléculaires sont des substances organiques présentes dans les sols, les sédiments, le charbon et le pétrole brut. L'étude de ces fossiles moléculaires a généré de nombreux...
Identification of bound alcohols in soil humic acids by gas chromatography-mass spectrometry (2000)
Berthier, Gersende, Dou, Sen, Peakman, Torren, Lichtfouse, Eric
Humic acids are complex, partly macromolecular, yellow-brownish substances occurring in soils, waters and sediments. In order to shed some light on their molecular structure, crop humic acids were...
Bryselbout, Carine, Henner, Pascale, Carsignol, Jean, Lichtfouse, Eric
Poa trivialis grasses and soils from the side slope of a high-traffic highway were analysed for their PAH content by gas chromatography coupled to mass spectrometry. The ratios of volatile,...
Grova, Nathalie, Laurent, Claire, Feidt, Cyril, Rychen, Guido, Laurent, François, Lichtfouse, Eric
Polycyclic aromatic hydrocarbon (PAH) levels were studied in grass and milk sampled at two farms, one located in a non-contaminated, rural area, and another located in a urban area close to PAH...
Identification of bound alcohols in soil humic acids by gas chromatography-mass spectrometry (2000)
Berthier, Gersende, Dou, Sen, Peakman, Torren, Lichtfouse, Eric
Humic acids are complex, partly macromolecular, yellow-brownish substances occurring in soils, waters and sediments. In order to shed some light on their molecular structure, crop humic acids were...
Bryselbout, Carine, Henner, Pascale, Carsignol, Jean, Lichtfouse, Eric
Poa trivialis grasses and soils from the side slope of a high-traffic highway were analysed for their PAH content by gas chromatography coupled to mass spectrometry. The ratios of volatile,...
Grova, Nathalie, Laurent, Claire, Feidt, Cyril, Rychen, Guido, Laurent, François, Lichtfouse, Eric
Polycyclic aromatic hydrocarbon (PAH) levels were studied in grass and milk sampled at two farms, one located in a non-contaminated, rural area, and another located in a urban area close to PAH...
Henner, Pascale, Schiavon, Michel, Druelle, Vincent, Lichtfouse, Eric
The phytotoxicity of various contaminated soils was assessed by plant inventories on ancient industrial fields and by phytotoxicity tests. Industrial fields are well colonised by numerous weedy...
Organic geochemistry of sewage sludge. I. Lipid fractionation by thin layer chromatography (1999)
Payet, Cécile, Bryselbout, Carine, Morel, Jean-Louis, Lichtfouse, Eric
This article reports detailed procedures : 1) to decrease organic contamination of samples in the laboratory; 2) to extract sewage sludge with methylene chloride; and 3) to fractionate extracts by...
Temporal pools of individual organic substances in soil (1999)
Two pools of plant-derived C31 n-alkane occurring respectively as free and humin-bound forms in the same soil have been distinguished by 13C/12C analyses. The results show that the humin-bound...
Our poor knowledge of the structure and formation of humic substances stems from the lack of suitable tools which enable the study of the molecular structure of these complex, yellow-brownish...
Fossil fuel biomarkers in sewage sludges: environmental significance (1999)
Payet, Cécile, Bryselbout, Carine, Morel, Jean-Louis, Lichtfouse, Eric
Fossil fuel biomarkers, or "molecular fossils," are specific organic substances found in coals, petroleums, and sedimentary rocks. They are formed during millions of years of sedimentary burial by...
Organic geochemistry of sewage sludge. I. Lipid fractionation by thin layer chromatography (1999)
Payet, Cécile, Bryselbout, Carine, Morel, Jean-Louis, Lichtfouse, Eric
This article reports detailed procedures : 1) to decrease organic contamination of samples in the laboratory; 2) to extract sewage sludge with methylene chloride; and 3) to fractionate extracts by...
Temporal pools of individual organic substances in soil (1999)
Two pools of plant-derived C31 n-alkane occurring respectively as free and humin-bound forms in the same soil have been distinguished by 13C/12C analyses. The results show that the humin-bound...
Our poor knowledge of the structure and formation of humic substances stems from the lack of suitable tools which enable the study of the molecular structure of these complex, yellow-brownish...
Fossil fuel biomarkers in sewage sludges: environmental significance (1999)
Payet, Cécile, Bryselbout, Carine, Morel, Jean-Louis, Lichtfouse, Eric
Fossil fuel biomarkers, or "molecular fossils," are specific organic substances found in coals, petroleums, and sedimentary rocks. They are formed during millions of years of sedimentary burial by...
Henner, Pascale, Schiavon, Michel, Druelle, Vincent, Lichtfouse, Eric
The phytotoxicity of various contaminated soils was assessed by plant inventories on ancient industrial fields and by phytotoxicity tests. Industrial fields are well colonised by numerous weedy...
Fossiles moléculaires dintérêt microbiologique, pétrolier, agronomique et environnemental (1998)
Les fossiles moléculaires sont de puissants outils pour étudier lorigine, la transformation et le transfert de la matière organique dans les écosystèmes modernes et anciens. Marqueurs...
Fossiles moléculaires d’intérêt microbiologique, pétrolier, agronomique et environnemental (1998)
Les fossiles moléculaires sont de puissants outils pour étudier l’origine, la transformation et le transfert de la matière organique dans les écosystèmes modernes et anciens. Marqueurs...
Fossil fuel biomarkers in plant waxes as pollution parameters (1998)
Bryselbout, Carine, Henner, Pascale, Lichtfouse, Eric
Hopane and sterane derivatives typical of highly mature sedimentary organic matter, e.g. petroleum, have been identified in several plant species growing near Nancy, France. Analyses of plant waxes...
Lichtfouse, Eric, Chenu, Claire, Baudin, François, Leblond, Claudette, Da Silva, Martine, Béhar, Françoise, ...
A resistant soil organic residue, humin, has been analysed by solid-state 13C-NMR and pyrolysis followed by molecular and 13C determination of the pyrolysate alkane-alkene fraction. The results...
Plant wax n-alkanes trapped in soil humin by non-covalent bonds (1998)
Lichtfouse, Eric, Wehrung, Patrick, Albrecht, Pierre
Soil organic matter is a very complex mixture of compounds derived from the decay of numerous living organisms. Earlier reports suggest that soil organic molecules may occur unaltered in a "bound"...
Isotope and biosynthetic evidence for the origin of long-chain aliphatic lipids in soils (1998)
Soil organic matter is a very complex mixture of compounds derived from numerous living organisms such as plants, fungi, algae, microfauna and microbes. During humification those biological compounds...
Lichtfouse, Eric, Leblond, Claudette, Da Silva, Martine, Béhar, Françoise
Soil organic matter is a very complex mixture of compounds derived from the decay of living organisms such as plants, fungi and bacteria. The mechanisms that control the preservation of soil organic...
Lichtfouse, Eric, Leblond, Claudette, Da Silva, Martine, Béhar, Françoise
Soil organic matter is a very complex mixture of compounds derived from the decay of living organisms such as plants, fungi and bacteria. The mechanisms that control the preservation of soil organic...
Plant wax n-alkanes trapped in soil humin by non-covalent bonds (1998)
Lichtfouse, Eric, Wehrung, Patrick, Albrecht, Pierre
Soil organic matter is a very complex mixture of compounds derived from the decay of numerous living organisms. Earlier reports suggest that soil organic molecules may occur unaltered in a "bound"...
Isotope and biosynthetic evidence for the origin of long-chain aliphatic lipids in soils (1998)
Soil organic matter is a very complex mixture of compounds derived from numerous living organisms such as plants, fungi, algae, microfauna and microbes. During humification those biological compounds...
Fossil fuel biomarkers in plant waxes as pollution parameters (1998)
Bryselbout, Carine, Henner, Pascale, Lichtfouse, Eric
Hopane and sterane derivatives typical of highly mature sedimentary organic matter, e.g. petroleum, have been identified in several plant species growing near Nancy, France. Analyses of plant waxes...
Lichtfouse, Eric, Chenu, Claire, Baudin, François, Leblond, Claudette, Da Silva, Martine, Béhar, Françoise, ...
A resistant soil organic residue, humin, has been analysed by solid-state 13C-NMR and pyrolysis followed by molecular and 13C determination of the pyrolysate alkane-alkene fraction. The results...
Fossiles moléculaires dintérêt microbiologique, pétrolier, agronomique et environnemental (1998)
Les fossiles moléculaires sont de puissants outils pour étudier lorigine, la transformation et le transfert de la matière organique dans les écosystèmes modernes et anciens. Marqueurs...
Ancient polycyclic aromatic hydrocarbons in modern soils: 13C, 14C and biomarker evidence (1997)
Lichtfouse, Eric, Budzinski, Hélène, Garrigues, Philippe, Eglinton, Timothy
Polycyclic aromatic hydrocarbons (PAHs) of soils from two maize fields were analyzed for molecular structure by gas chromatography-mass spectrometry, for 13C/12C ratios by isotope ratio mass...
Lichtfouse, Eric, Bardoux, Gérard, Mariotti, André, Balesdent, Jérôme, C. Ballentine, Donna, A. Macko, Stephen
The heterogeneous isotopic composition of C3 and C4 plants can be used to to follow the fate of plant carbon into soil organic molecules. Thus, after 23 years of cropping of maize (C4) on a soil...
Henner, Pascale, Schwartz, Christophe, Lichtfouse, Eric
A simple and fast (~ 5 min.) method has been set up to extract small soil samples (~ 300 mg) by elution of a small volume of methylene chloride (2000 μl) on a modified Pasteur pipette. Pasteur...
Polycyclic aromatic hydrocarbon (PAH) occurrence and remediation methods (1997)
Henner, Pascale, Schiavon, Michel, Morel, Jean-Louis, Lichtfouse, Eric
Polycyclic aromatic hydrocarbons (PAHs) are potentially mutagenic and carcinogenic substances occurring at various concentrations in atmosphere, soils, waters and sediments. PAHs, inherited both from...
Soil, a sponge for pollutants (1997)
This preface of the special issue entitled "Soil Pollutants" (Analusis Magazine 25, M16-M72, 1997) highlights major basic and applied issues about the sources and fate of organic, mineral and...
Understanding the dynamics of soil organic matter is of major importance for agronomical and environmental studies. In particular, soil organic matter holds soil physical stability and thus prevents...
Understanding the dynamics of soil organic matter is of major importance for agronomical and environmental studies. In particular, soil organic matter holds soil physical stability and thus prevents...
Henner, Pascale, Schwartz, Christophe, Lichtfouse, Eric
A simple and fast (~ 5 min.) method has been set up to extract small soil samples (~ 300 mg) by elution of a small volume of methylene chloride (2000 μl) on a modified Pasteur pipette. Pasteur...
Polycyclic aromatic hydrocarbon (PAH) occurrence and remediation methods (1997)
Henner, Pascale, Schiavon, Michel, Morel, Jean-Louis, Lichtfouse, Eric
Polycyclic aromatic hydrocarbons (PAHs) are potentially mutagenic and carcinogenic substances occurring at various concentrations in atmosphere, soils, waters and sediments. PAHs, inherited both from...
Soil, a sponge for pollutants (1997)
This preface of the special issue entitled "Soil Pollutants" (Analusis Magazine 25, M16-M72, 1997) highlights major basic and applied issues about the sources and fate of organic, mineral and...
Ancient polycyclic aromatic hydrocarbons in modern soils: 13C, 14C and biomarker evidence (1997)
Lichtfouse, Eric, Budzinski, Hélène, Garrigues, Philippe, Eglinton, Timothy
Polycyclic aromatic hydrocarbons (PAHs) of soils from two maize fields were analyzed for molecular structure by gas chromatography-mass spectrometry, for 13C/12C ratios by isotope ratio mass...
Lichtfouse, Eric, Bardoux, Gérard, Mariotti, André, Balesdent, Jérôme, C. Ballentine, Donna, A. Macko, Stephen
The heterogeneous isotopic composition of C3 and C4 plants can be used to to follow the fate of plant carbon into soil organic molecules. Thus, after 23 years of cropping of maize (C4) on a soil...
Resistant ultralaminae in soils (1996)
Lichtfouse, Eric, Chenu, Claire, Baudin, François
Observation of a chemically resistant organic residue from maize crop soils by transmission electron microscopy reveals the occurrence of thin laminae with 10-50 nm thickness, similar to resistant,...
Resistant ultralaminae in soils (1996)
Lichtfouse, Eric, Chenu, Claire, Baudin, François
Observation of a chemically resistant organic residue from maize crop soils by transmission electron microscopy reveals the occurrence of thin laminae with 10-50 nm thickness, similar to resistant,...
13C analysis of molecular organic substances, a novel breakthrough in analytical sciences (1995)
Lichtfouse, Eric, Budzinski, Hélène
The recent development of a novel isotope method, Gas Chromatography-Combustion-Isotope Ratio Mass Spectrometry (GC-C-IRMS), allows the direct determination of 13C/12C ratios of any GC-amenable...
Lichtfouse, Eric, Eglinton, Timothy
n-Alkanes from soils in which C3 plants have been cultivated were analysed for their distributions and individual δ13C ratios. For long-chain n-alkanes from unpolluted soils, both the strong...
Lichtfouse, Eric, Dou, Sen, Houot, Sabine, Barriuso, Enrique
Two experiments using 13C-enriched substrates have been undertaken to evaluate the relative turnover rates of the main pools of soil organic carbon namely bulk organic carbon, humin and humic acids....
Stable carbon isotope evidence for the microbial origin of C14-C18 n-alkanoic acids in soils (1995)
Lichtfouse, Eric, Berthier, Gersende, Houot, Sabine, Barriuso, Enrique, Bergheaud, Valérie, Vallaeys, Tatiana
In order to delineate the origin of soil fatty acids, crop soil samples have been incubated for 21 days in vitro either with unlabelled or 13C-labelled glucose. Analyses of C14-C32 n-alkanoic acids...
Lichtfouse, Eric, Dou, Sen, Girardin, Cyril, Grably, Micheline, Balesdent, Jérôme, Béhar, Françoise, ...
Various organic constituents extracted from wheat and from soil organic matter have been analyzed for their carbon content, their absolute concentration and their stable carbon isotope ratios. Most...
13C Labelling of soil n-hentriacontane (C31) by maize cultivation (1995)
The fate of plant carbon into molecular organic substances from soils can be followed by stable carbon analysis. Soil organic matter has thus been progressively labelled with 13C at natural abundance...
Stable carbon isotope evidence for the microbial origin of C14-C18 n-alkanoic acids in soils (1995)
Lichtfouse, Eric, Berthier, Gersende, Houot, Sabine, Barriuso, Enrique, Bergheaud, Valérie, Vallaeys, Tatiana
In order to delineate the origin of soil fatty acids, crop soil samples have been incubated for 21 days in vitro either with unlabelled or 13C-labelled glucose. Analyses of C14-C32 n-alkanoic acids...
13C analysis of molecular organic substances, a novel breakthrough in analytical sciences (1995)
Lichtfouse, Eric, Budzinski, Hélène
The recent development of a novel isotope method, Gas Chromatography-Combustion-Isotope Ratio Mass Spectrometry (GC-C-IRMS), allows the direct determination of 13C/12C ratios of any GC-amenable...
Lichtfouse, Eric, Eglinton, Timothy
n-Alkanes from soils in which C3 plants have been cultivated were analysed for their distributions and individual δ13C ratios. For long-chain n-alkanes from unpolluted soils, both the strong...
Lichtfouse, Eric, Dou, Sen, Houot, Sabine, Barriuso, Enrique
Two experiments using 13C-enriched substrates have been undertaken to evaluate the relative turnover rates of the main pools of soil organic carbon namely bulk organic carbon, humin and humic acids....
Lichtfouse, Eric, Dou, Sen, Girardin, Cyril, Grably, Micheline, Balesdent, Jérôme, Béhar, Françoise, ...
Various organic constituents extracted from wheat and from soil organic matter have been analyzed for their carbon content, their absolute concentration and their stable carbon isotope ratios. Most...
13C Labelling of soil n-hentriacontane (C31) by maize cultivation (1995)
The fate of plant carbon into molecular organic substances from soils can be followed by stable carbon analysis. Soil organic matter has thus been progressively labelled with 13C at natural abundance...
Lichtfouse, Eric, Albrecht, Pierre
C21-29 triaromatic steroid hydrocarbons bearing a methyl group at unusual positions 2, 3 or 6 have been synthesized from pregnenolone, cholesterol or stigmasterol via stera-3,5-dienes. Their...
Isotope and molecular evidence for direct input of maize leaf wax n-alkanes into crop soils (1994)
Lichtfouse, Eric, Elbisser, Brigitte, Balesdent, Jérôme, Mariotti, André, Bardoux, Gérard
The contribution of plant carbon to crop soils can be followed by isotope labelling at natural abundance, such as growing a C4 plant on a soil which was previously under C3 vegetation. For this...
Lichtfouse, Eric, Rullkötter, Jürgen
Notable compositional changes of organic matter are observed below the silica transition zone in thermally immature sediments. The increase of bitumen ratio, and hopane and sterane isomerisation...
Lichtfouse, Eric, Derenne, Sylvie, Mariotti, André, Largeau, Claude
A Pliocene oil shale (Pula, Hungary), a C3 plant Triticum aestivum and a C4 plant Zea mays were compared using isotopic composition of bulk organic matter, along with distributions and individual...
A molecular and isotopic study of the organic matter from the Paris Basin, France (1994)
Lichtfouse, Eric, Albrecht, Pierre, Béhar, Françoise, Hayes, John
Thirteen Liassic sedimentary rocks of increasing depth and three petroleums from the Paris Basin were studied for 13C/12C isotopic compositions and biological markers, including steranes, sterenes,...
A molecular and isotopic study of the organic matter from the Paris Basin, France (1994)
Lichtfouse, Eric, Albrecht, Pierre, Béhar, Françoise, Hayes, John
Thirteen Liassic sedimentary rocks of increasing depth and three petroleums from the Paris Basin were studied for 13C/12C isotopic compositions and biological markers, including steranes, sterenes,...
Lichtfouse, Eric, Albrecht, Pierre
C21-29 triaromatic steroid hydrocarbons bearing a methyl group at unusual positions 2, 3 or 6 have been synthesized from pregnenolone, cholesterol or stigmasterol via stera-3,5-dienes. Their...
Isotope and molecular evidence for direct input of maize leaf wax n-alkanes into crop soils (1994)
Lichtfouse, Eric, Elbisser, Brigitte, Balesdent, Jérôme, Mariotti, André, Bardoux, Gérard
The contribution of plant carbon to crop soils can be followed by isotope labelling at natural abundance, such as growing a C4 plant on a soil which was previously under C3 vegetation. For this...
Lichtfouse, Eric, Rullkötter, Jürgen
Notable compositional changes of organic matter are observed below the silica transition zone in thermally immature sediments. The increase of bitumen ratio, and hopane and sterane isomerisation...
Lichtfouse, Eric, Derenne, Sylvie, Mariotti, André, Largeau, Claude
A Pliocene oil shale (Pula, Hungary), a C3 plant Triticum aestivum and a C4 plant Zea mays were compared using isotopic composition of bulk organic matter, along with distributions and individual...
3-Methyltriaromatic steroids in sediments. Molecular fossils with unknown precursors (1993)
Lichtfouse, Eric, Albrecht, Pierre, Béhar, Françoise
The discovery of novel fossil substances can lead to the discovery of yet unknown modern biological substances such as bacterial hopanols. Here we discuss the origin and formation of some steroids...
3-Methyltriaromatic steroids in sediments. Molecular fossils with unknown precursors (1993)
Lichtfouse, Eric, Albrecht, Pierre, Béhar, Françoise
The discovery of novel fossil substances can lead to the discovery of yet unknown modern biological substances such as bacterial hopanols. Here we discuss the origin and formation of some steroids...
Lichtfouse, Eric, W. Collister, James
The 13C/12C compositions of n-alkanes and n-alkanoic acids from Eocene sediments are correlated in the 2029 carbon number range
Lichtfouse, Eric, W. Collister, James
The 13C/12C compositions of n-alkanes and n-alkanoic acids from Eocene sediments are correlated in the 2029 carbon number range
Lichtfouse, Eric, Riolo, Joseph, Albrecht, Pierre
Triaromatic steroid hydrocarbons bearing a methyl substituent at position 2, 3, or 6 have been identified in marine sediments and petroleums from the Paris basin by comparison with C21 (1,2, 3), C27...
Lichtfouse, Eric, Riolo, Joseph, Albrecht, Pierre
Triaromatic steroid hydrocarbons bearing a methyl substituent at position 2, 3, or 6 have been identified in marine sediments and petroleums from the Paris basin by comparison with C21 (1,2, 3), C27...
Nouveaux stéroïdes aromatiques fossiles (1989)
Trois nouvelles classes de stéroïdes triaromatiques ont été identifiés dans les roches et les pétroles du bassin de Paris par comparaison avec des substances synthétiques. Ces composés sont...
Nouveaux stéroïdes aromatiques fossiles (1989)
Trois nouvelles classes de stéroïdes triaromatiques ont été identifiés dans les roches et les pétroles du bassin de Paris par comparaison avec des substances synthétiques. Ces composés sont...
Nouveaux stéroïdes aromatiques fossiles (1989)
Trois nouvelles classes de stéroïdes triaromatiques ont été identifiés dans les roches et les pétroles du bassin de Paris par comparaison avec des substances synthétiques. Ces composés sont...
13C/12C composition, a novel parameter to study the downward migration of paper sludge in soils†
Lichtfouse, Eric, Rogers, Karyne, Payet, Cécile, Renat, Jean-Christophe
δ13C values of crop and forest soils were measured 8 years after disposal of paper sewage sludge. The carbon transfer from paper sludge downward to the first humic layer is evidenced by a...
13C/12C composition, a novel parameter to study the downward migration of paper sludge in soils†
Lichtfouse, Eric, Rogers, Karyne, Payet, Cécile, Renat, Jean-Christophe
δ13C values of crop and forest soils were measured 8 years after disposal of paper sewage sludge. The carbon transfer from paper sludge downward to the first humic layer is evidenced by a...