R. Ocampo

发表

Isotopic compositions and probable origins of organic molecules in the Eocene Messel shale

J. Hayes, R. Takigiku, R. Ocampo, 1987, Nature.

Tenax-TA Spiking Approach of Thermal Desorption Coupled to GC–MSMS for the Quantification of PAHs in Indoor Air and Dust

R. Ocampo, L. Alleman, M. Millet, 2017 .

Sedimentary porphyrins : correlations with biological precursors

R. Ocampo, H. Callot, P. Albrecht, 1990 .

Petroporphyrins as biomarkers in oil-oil and oil-source rock correlations

R. Ocampo, H. Callot, P. Albrecht, 1993 .

Structure determination by deuterium labelling of a sulfur-bound petroporphyrin

R. Ocampo, H. Callot, P. Albrecht, 1994 .

Electron ionization mass spectrometric analysis of 5‐nitro octaethylprophyrin: evidence for scission of the porphyrin macrocycle

R. Ocampo, H. Callot, R. Yost, 1997 .

Total synthesis of cyclopentenoporphyrins of sedimentary origin: deoxophylloerythroetioporphyrin, chlorophyll c fossils and related compounds.

R. Ocampo, H. Callot, C. Bauder, 1992 .

SYNTHESIS OF MESO-13C AND 15N LABELLED OCTATHYLPORPHYRIN AND OPTIMIZATION OF THE SYMMETRICAL ROUTE TO OCTAALKYLPORPHYRINS

R. Ocampo, H. Callot, A. Rohrer, 1994 .

Isolation of a series of vanadyl-tetrahydrobenzopetroporphyrins from Timahdit oil shale. Structure determination and total synthesis of the major constituent

R. Ocampo, H. Callot, P. Albrecht, 1987 .

Structural comparison of nickel, vanadyl, copper, and free base porphyrins from Oulad Abdoun oil shale (Maastrichtian, Morocco)

R. Ocampo, H. Callot, P. Albrecht, 1990 .

Identification of a novel C33 DPEP petroporphyrin from boscan crude oil : evidence for geochemical reduction of carboxylic acids.

R. Ocampo, H. Callot, P. Albrecht, 1986 .

Anionic RR120 dye adsorption onto raw clay: Surface properties and adsorption mechanism

R. Ocampo, J. Duplay, E. Errais, 2012 .

Unexpected methylation and propylation of porphyrin E-ring during the hemisynthesis of deoxophylloerythroetioporphyrin (DPEP)

R. Ocampo, H. Callot, C. Jeandon, 1997 .

Structural evidence for heme fossils in Messel oil shale (FRG)

R. Ocampo, H. Callot, P. Albrecht, 1990, Naturwissenschaften.

Evidence for polar porphyrins of bacterial and algal origin in oil shale

R. Ocampo, H. Callot, P. Albrecht, 1986 .

Porphyrins from Messel oil shale (Eocene, Germany): Structure elucidation, geochemical and biological significance, and distribution as a function of depth

R. Ocampo, H. Callot, P. Albrecht, 1992 .

Molecular fossils of chlorophyll c of the 17-nor-DPEP Series. Structure determination, synthesis, geochemical significance.

R. Ocampo, H. Callot, P. Albrecht, 1988 .

Porphyrins in Upper Jurassic source rocks and correlations with other source rock descriptors

R. Ocampo, T. Barth, B. Huseby, 1996 .

Extraction of bound porphyrins from sulphur-rich sediments and their use for reconstruction of palaeoenvironments

R. Ocampo, H. Callot, P. Albrecht, 1993, Nature.

A novel chlorophyll c related petroporphyrin in oil shale

R. Ocampo, H. Callot, P. Albrecht, 1984 .

Isolation and structure determination of two novel C(132)–OH bacteriopheophytin a allomers from a coastal salt pond sediment

R. Ocampo, D. Repeta, 2002 .

Separation and identification of porphyrin biomarkers from a heavy crude oil Zaap-1 offshore well, Sonda de Campeche, México

R. Ocampo, M. Espinosa, Ubaldo S. Pacheco, 2014 .

The distribution of nitrogen between bitumen, water and residue in hydrous pyrolysis of extracted Messel oil shale

R. Ocampo, T. Barth, B. Huseby, 1996 .

Identification of long-chain tricyclic terpene hydrocarbons (C21–C30) in geological samples

G. Ourisson, R. Ocampo, P. Albrecht, 1984 .

Structural determination of purpurin-18 (as methyl ester) from sedimentary organic matter

R. Ocampo, D. Repeta, 1999 .

Evidence for porphyrins bound, via ester bonds, to the Messel oil shale kerogen by selective chemical degradation experiments

R. Ocampo, B. Huseby, 1997 .

Synthesis of 1-hydroxylated bile acids: Methyl 1α, 3α-dihydroxy 5β-cholan-24-oate

R. Ocampo, J. Herz, 1982, Steroids.

132(S)–OH methyl bacteriopheophorbide a allomer in sedimentary organic matter

R. Ocampo, D. Repeta, 2004 .

Isolation and structure determination of the unstable 132, 173-Cyclopheophorbide a enol from recent sediments

R. Ocampo, J. Sachs, D. Repeta, 1999 .

Total synthesis of chlorophyll c fossils and related petroporphyrins

R. Ocampo, H. Callot, C. Bauder, 1991 .

Primary and Secondary Controls on Carbon-Isotopic Compositions of Sedimentary Organic Matter

J. Hayes, R. Takigiku, R. Ocampo, 1991 .

Improved preparation deoxophylloerythroetioporphyrin (DPEP) and its 15′-methyl derivative from chlorophyll a.

R. Ocampo, H. Callot, C. Jeandon, 1993 .

Different isotope compositions of C32 DPEP and C32 etioporphyrin III in oil shale

J. Hayes, R. Ocampo, H. Callot, 1989, The Science of Nature.

Study of the porphyrins released from the Messel oil shale kerogen by hydrous pyrolysis experiments

R. Ocampo, H. Callot, T. Barth, 1996 .