| Year |
Citation |
Score |
| 2004 |
Pancost RD, Crawford N, Magness S, Turner A, Jenkyns HC, Maxwell JR. Further evidence for the development of photic-zone euxinic conditions during Mesozoic oceanic anoxic events Journal of the Geological Society. 161: 353-364. DOI: 10.1144/0016764903-059 |
0.404 |
|
| 2003 |
Higginson MJ, Maxwell JR, Altabet MA. Nitrogen isotope and chlorin paleoproductivity records from the Northern South China Sea: remote vs. local forcing of millennial- and orbital-scale variability Marine Geology. 201: 223-250. DOI: 10.1016/S0025-3227(03)00218-4 |
0.356 |
|
| 2002 |
Pancost RD, Crawford N, Maxwell JR. Molecular evidence for basin-scale photic zone euxinia in the Permian Zechstein Sea Chemical Geology. 188: 217-227. DOI: 10.1016/S0009-2541(02)00104-3 |
0.434 |
|
| 2000 |
Talbot HM, Head RN, Harris RP, Maxwell JR. Discrimination against 4-methyl sterol uptake during steryl chlorin ester production by copepods Organic Geochemistry. 31: 871-880. DOI: 10.1016/S0146-6380(00)00057-7 |
0.365 |
|
| 1999 |
Talbot HM, Head RN, Harris RP, Maxwell JR. Distribution and stability of steryl chlorin esters in copepod faecal pellets from diatom grazing Organic Geochemistry. 30: 1163-1174. DOI: 10.1016/S0146-6380(99)00095-9 |
0.418 |
|
| 1999 |
Rosell-Melé A, Carter JF, Maxwell JR. Liquid Chromatography/Tandem Mass Spectrometry Of Free Base Alkyl Porphyrins For The Characterization Of The Macrocyclic Substituents In Components Of Complex Mixtures Rapid Communications in Mass Spectrometry. 13: 568-573. DOI: 10.1002/(Sici)1097-0231(19990415)13:7<568::Aid-Rcm525>3.0.Co;2-J |
0.338 |
|
| 1998 |
Putschew A, Schaeffer-Reiss C, Schaeffer P, Koopmans MP, De Leeuw JW, Lewan MD, Sinninghe Damsté JS, Maxwell JR. Release of sulfur- and oxygen-bound components from a sulfur-rich kerogen during simulated maturation by hydrous pyrolysis Organic Geochemistry. 29: 1875-1890. DOI: 10.1016/S0146-6380(98)00191-0 |
0.367 |
|
| 1998 |
Schaeffer-Reiss C, Schaeffer P, Putschew A, Maxwell JR. Stepwise chemical degradation of immature S-rich kerogens from Vena del Gesso (Italy) Organic Geochemistry. 29: 1857-1873. DOI: 10.1016/S0146-6380(98)00175-2 |
0.339 |
|
| 1998 |
Putschew A, Schaeffer P, Schaeffer-Reiss C, Maxwell JR. Carbon isotope characteristics of the diaromatic carotenoid, isorenieratene (intact and sulfide-bound) and a novel isomer in sediments Organic Geochemistry. 29: 1849-1856. DOI: 10.1016/S0146-6380(98)00170-3 |
0.393 |
|
| 1998 |
Teece MA, Getliff JM, Leftley JW, Parkes RJ, Maxwell JR. Microbial degradation of the marine prymnesiophyte Emiliania huxleyi under oxic and anoxic conditions as a model for early diagenesis: Long chain alkadienes, alkenones and alkyl alkenoates Organic Geochemistry. 29: 863-880. DOI: 10.1016/S0146-6380(98)00145-4 |
0.369 |
|
| 1998 |
Pearce GES, Harradine PJ, Talbot HM, Maxwell JR. Sedimentary sterols and steryl chlorin esters: distribution differences and significance Organic Geochemistry. 28: 3-10. DOI: 10.1016/S0146-6380(97)00124-1 |
0.355 |
|
| 1998 |
Harradine PJ, Maxwell JR. Pyrophaeoporphyrins c1 and c2: grazing products of chlorophyll c in aquatic environments Organic Geochemistry. 28: 111-117. DOI: 10.1016/S0146-6380(97)00123-X |
0.33 |
|
| 1997 |
Grice K, Schaeffer P, Schwark L, Maxwell JR. Changes in palaeoenvironmental conditions during deposition of the permian kupferschiefer (Lower Rhine Basin, northwest Germany) inferred from molecular and isotopic compositions of biomarker components Organic Geochemistry. 26: 677-690. DOI: 10.1016/S0146-6380(97)00036-3 |
0.415 |
|
| 1997 |
Hartgers WA, Lòpez JF, Damsté JSS, Reiss C, Maxwell JR, Grimalt JO. Sulfur-binding in recent environments: II. Speciation of sulfur and iron and implications for the occurrence of organo-sulfur compounds Geochimica Et Cosmochimica Acta. 61: 4769-4788. DOI: 10.1016/S0016-7037(97)00279-2 |
0.356 |
|
| 1997 |
Koopmans MP, Schaeffer-Reiss C, Leeuw JWd, Lewan MD, Maxwell JR, Schaeffer P, Damsté JSS. Sulphur and oxygen sequestration of n-C37 and n-C38 unsaturated ketones in an immature kerogen and the release of their carbon skeletons during early stages of thermal maturation Geochimica Et Cosmochimica Acta. 61: 2397-2408. DOI: 10.1016/S0016-7037(97)00099-9 |
0.307 |
|
| 1997 |
Rosell-Melé A, Maslin MA, Maxwell JR, Schaeffer P. Biomarker Evidence For Heinrich Events Geochimica Et Cosmochimica Acta. 61: 1671-1678. DOI: 10.1016/S0016-7037(97)00046-X |
0.414 |
|
| 1996 |
Rosell-Melé A, Carter JF, Maxwell JR. High-performance liquid chromatography-mass spectrometry of porphyrins by using an atmospheric pressure interface. Journal of the American Society For Mass Spectrometry. 7: 965-971. PMID 24203611 DOI: 10.1016/1044-0305(96)80515-0 |
0.346 |
|
| 1996 |
Harris PG, Zhao M, Rosell-Melé A, Tiedemann R, Sarnthein M, Maxwell JR. Chlorin accumulation rate as a proxy for Quaternary marine primary productivity Nature. 383: 63-65. DOI: 10.1038/383063A0 |
0.391 |
|
| 1996 |
Grice K, Schaeffer P, Schwark L, Maxwell JR. Molecular indicators of palaeoenvironmental conditions in an immature Permian shale (Kupferschiefer, Lower Rhine Basin, north-west Germany) from free and S-bound lipids Organic Geochemistry. 25: 131-147. DOI: 10.1016/S0146-6380(96)00130-1 |
0.396 |
|
| 1996 |
Gelin F, Sinninghe Damsté JS, Harrison WN, Reiss C, Maxwell JR, De Leeuw JW. Variations in origin and composition of kerogen constituents as revealed by analytical pyrolysis of immature kerogens before and after desulphurization Organic Geochemistry. 24: 705-714. DOI: 10.1016/0146-6380(96)00061-7 |
0.388 |
|
| 1996 |
Harradine PJ, Peakman TM, Maxwell JR. Triterpenoid chlorin esters: water column transformation products of chlorophyll a Tetrahedron. 52: 13427-13440. DOI: 10.1016/0040-4020(96)00800-9 |
0.346 |
|
| 1996 |
Grice K, Gibbison R, Atkinson JE, Schwark L, Eckardt CB, Maxwell JR. Maleimides (1H-Pyrrole-2,5-Diones) As Molecular Indicators Of Anoxygenic Photosynthesis In Ancient Water Columns Geochimica Et Cosmochimica Acta. 60: 3913-3924. DOI: 10.1016/0016-7037(96)00199-8 |
0.44 |
|
| 1996 |
Harradine PJ, Harris PG, Head RN, Harris RP, Maxwell JR. Steryl chlorin esters are formed by zooplankton herbivory Geochimica Et Cosmochimica Acta. 60: 2265-2270. DOI: 10.1016/0016-7037(96)00132-9 |
0.393 |
|
| 1996 |
Cragg BA, Parkes RJ, Fry JC, Weightman AJ, Rochelle PA, Maxwell JR. Bacterial populations and processes in sediments containing gas hydrates (ODP Leg 146: Cascadia Margin) Earth and Planetary Science Letters. 139: 497-507. DOI: 10.1016/0012-821X(95)00246-9 |
0.304 |
|
| 1996 |
Rosell-Melé A, Maxwell JR. Rapid Characterization of Metallo Porphyrin Classes in Natural Extracts by Gel Permeation Chromatography/Atmospheric Pressure Chemical Ionization/Mass Spectrometry Rapid Communications in Mass Spectrometry. 10: 209-213. DOI: 10.1002/(Sici)1097-0231(19960131)10:2<209::Aid-Rcm462>3.0.Co;2-U |
0.311 |
|
| 1995 |
Spooner N, Getliff JM, Teece MA, Parkes RJ, Leftley JW, Harris PG, Maxwell JR. Formation of mesopyrophaeophorbide a during anaerobic bacterial degradation of the marine prymnesiophyte Emiliania huxleyi Organic Geochemistry. 22: 225-229. DOI: 10.1016/0146-6380(95)90019-5 |
0.355 |
|
| 1995 |
Harris PG, Maxwell JR. A novel method for the rapid determination of chlorin concentrations at high stratigraphic resolution in marine sediments Organic Geochemistry. 23: 853-856. DOI: 10.1016/0146-6380(95)80007-E |
0.356 |
|
| 1995 |
Keely BJ, Blake SR, Schaeffer P, Maxwell JR. Distributions of pigments in the organic matter of marls from the Vena del Gesso evaporitic sequence Organic Geochemistry. 23: 527-539. DOI: 10.1016/0146-6380(95)00046-H |
0.381 |
|
| 1995 |
Gelin F, Sinninghe Damsté JS, Harrison WN, Maxwell JR, De Leeuw JW. Molecular indicators for palaeoenvironmental change in a Messinian evaporitic sequence (Vena del Gesso, Italy): III. Stratigraphic changes in the molecular structure of kerogen in a single marl bed as revealed by flash pyrolysis Organic Geochemistry. 23: 555-566. DOI: 10.1016/0146-6380(95)00041-C |
0.443 |
|
| 1995 |
Schaeffer P, Harrison WN, Keely BJ, Maxwell JR. Product distributions from chemical degradation of kerogens from a marl from a Miocene evaporitic sequence (Vena del Gesso, N. Italy) Organic Geochemistry. 23: 541-554. DOI: 10.1016/0146-6380(95)00033-B |
0.395 |
|
| 1995 |
Harris PG, Pearce GES, Peakman TM, Maxwell JR. A widespread and abundant chlorophyll transformation product in aquatic environments Organic Geochemistry. 23: 183-187. DOI: 10.1016/0146-6380(95)00006-Z |
0.397 |
|
| 1995 |
Gibbison R, Peakman TM, Maxwell JR. Novel Porphyrins As Molecular Fossils For Anoxygenic Photosynthesis Tetrahedron Letters. 36: 9057-9060. DOI: 10.1016/0040-4039(95)01911-Z |
0.404 |
|
| 1995 |
Harris PG, Eglinton G, Carter JF, Maxwell JR, Head RN, Harris RP. Identification of chlorophyll transformation products in zooplankton faecal pellets and marine sediment extracts by liquid chromatography/mass spectrometry atmospheric pressure chemical ionization Rapid Communications in Mass Spectrometry. 9: 1177-1183. DOI: 10.1002/Rcm.1290091218 |
0.562 |
|
| 1994 |
Keely BJ, Harris PG, Popp BN, Hayes JM, Meischner D, Maxwell JR. Porphyrin and chlorin distributions in a Late Pliocene lacustrine sediment Geochimica Et Cosmochimica Acta. 58: 3691-3701. PMID 11539149 DOI: 10.1016/0016-7037(94)90159-7 |
0.432 |
|
| 1994 |
Spooner N, Harvey HR, Pearce GES, Eckardt CB, Maxwell JR. Biological defunctionalisation of chlorophyll in the aquatic environment. II: Action of endogenous algal enzymes and aerobic bacteria Organic Geochemistry. 22: 773-780. DOI: 10.1016/0146-6380(94)90138-4 |
0.365 |
|
| 1994 |
Villanueva J, Grimalt JO, de Wit R, Keely BJ, Maxwell JR. Sources and transformations of chlorophylls and carotenoids in a monomictic sulphate-rich karstic lake environment Organic Geochemistry. 22: 739-757. DOI: 10.1016/0146-6380(94)90136-8 |
0.413 |
|
| 1994 |
Spooner N, Keely BJ, Maxwell JR. Biologically mediated defunctionalization of chlorophyll in the aquatic environment - I. Senescence/decay of the diatom Phaeodactylum tricornutum Organic Geochemistry. 21: 509-516. DOI: 10.1016/0146-6380(94)90101-5 |
0.364 |
|
| 1994 |
Spooner N, Rieley G, Collister JW, Lander M, Cranwell PA, Maxwell JR. Stable carbon isotopic correlation of individual biolipids in aquatic organisms and a lake bottom sediment Organic Geochemistry. 21: 823-827. DOI: 10.1016/0146-6380(94)90023-X |
0.454 |
|
| 1994 |
Villanueva J, Grimalt JO, de Wit R, Keely BJ, Maxwell JR. Chlorophyll and carotenoid pigments in solar saltern microbial mats Geochimica Et Cosmochimica Acta. 58: 4703-4715. DOI: 10.1016/0016-7037(94)90202-X |
0.383 |
|
| 1993 |
Chicarelli MI, Hayes JM, Popp BN, Eckardt CB, Maxwell JR. Carbon and nitrogen isotopic compositions of alkyl porphyrins from the Triassic Serpiano oil shale Geochimica Et Cosmochimica Acta. 57: 1307-1311. PMID 11537805 DOI: 10.1016/0016-7037(93)90067-7 |
0.371 |
|
| 1993 |
Rahmani A, Eckardt CB, Brereton RG, Maxwell JR. THE USE OF LIQUID CHROMATOGRAPHY-MASS SPECTROMETRY TO MONITOR THE ALLOMERIZATION REACTIONS OF CHLOROPHYLL a and PHEOPHYTIN a:m IDENTIFICATION OF THE ALLOMERS OF PHEOPHYTIN a Photochemistry and Photobiology. 57: 1048-1052. DOI: 10.1111/J.1751-1097.1993.Tb02969.X |
0.31 |
|
| 1993 |
Pearce GES, Keely BJ, Harradine PJ, Eckardt CB, Maxwell JR. Characterisation of naturally occurring steryl esters derived from Chlorophyll a Tetrahedron Letters. 34: 2989-2992. DOI: 10.1016/S0040-4039(00)60502-6 |
0.375 |
|
| 1993 |
Thomas JB, Marshall J, Mann AL, Summons RE, Maxwell JR. Dinosteranes (4,23,24-trimethylsteranes) and other biological markers in dinoglagellate-rich marine sediments of Rhaetian age Organic Geochemistry. 20: 91-104. DOI: 10.1016/0146-6380(93)90084-O |
0.449 |
|
| 1993 |
Keely BJ, Maxwell JR. The Mulhouse basin: evidence from porphyrin distributions for water column anoxia during deposition of marls Organic Geochemistry. 20: 1217-1225. DOI: 10.1016/0146-6380(93)90010-9 |
0.411 |
|
| 1993 |
Damsté JSS, Keely BJ, Betts SE, Baas M, Maxwell JR, Leeuw JWd. Variations in abundances and distributions of isoprenoid chromans and long-chain alkylbenzenes in sediments of the Mulhouse Basin: a molecular sedimentary record of palaeosalinity☆ Organic Geochemistry. 20: 1201-1215. DOI: 10.1016/0146-6380(93)90009-Z |
0.325 |
|
| 1993 |
Keely BJ, Damsté JSS, Betts SE, Yue L, Leeuw JWd, Maxwell JR. A molecular stratigraphic approach to palaeoenvironmental assessment and the recognition of changes in source inputs in marls of the Mulhouse Basin (Alsace, France) Organic Geochemistry. 20: 1165-1186. DOI: 10.1016/0146-6380(93)90007-X |
0.405 |
|
| 1993 |
Hofmann P, Huc AY, Carpentier B, Schaeffer P, Albrecht P, Kelly B, Maxwell JR, Damsté JSS, Leeuw JWd, Leythaeuser D. Organic matter of the Mulhouse Basin, France: a synthesis Organic Geochemistry. 20: 1105-1123. DOI: 10.1016/0146-6380(93)90003-T |
0.394 |
|
| 1992 |
Eckardt CB, Pearce GES, Keely BJ, Kowalewska G, Jaffé R, Maxwell JR. A widespread chlorophyll transformation pathway in the aquatic environment Organic Geochemistry. 19: 217-227. DOI: 10.1016/0146-6380(92)90038-Y |
0.404 |
|
| 1992 |
Hofmann IC, Hutchison J, Robson JN, Chicarelli MI, Maxwell JR. Evidence for sulphide links in a crude oil asphaltene and kerogens from reductive cleavage by lithium in ethylamine Organic Geochemistry. 19: 371-387. DOI: 10.1016/0146-6380(92)90006-J |
0.38 |
|
| 1992 |
Summons RE, Thomas J, Maxwell JR, Boreham CJ. Secular and environmental constraints on the occurrence of dinosterane in sediments Geochimica Et Cosmochimica Acta. 56: 2437-2444. DOI: 10.1016/0016-7037(92)90200-3 |
0.425 |
|
| 1991 |
Koutsoukos EAM, Mello MR, Filho NCdA, Hart MB, Maxwell JR. The upper Aptian-Albian succession of the Sergipe basin, Brazil: An integrated paleoenvironmental assessment Aapg Bulletin. 75: 479-498. DOI: 10.1306/0C9B2817-1710-11D7-8645000102C1865D |
0.377 |
|
| 1991 |
Eckardt CB, Keely BJ, Waring JR, Chicarelli MI, Maxwell JR, Leeuw JWD, Boon JJ, Runnegar B, Macko S, Hudson JD. Preservation of chlorophyll-derived pigments in sedimentary organic matter Philosophical Transactions of the Royal Society B. 333: 339-348. DOI: 10.1098/Rstb.1991.0083 |
0.45 |
|
| 1991 |
Leeuw JWD, Bergen PFV, Aarssen BGKV, Gatellier JLA, Damste JSS, Collinson ME, Ambler RP, Macko S, Curry GB, Eglinton G, Maxwell JR. Resistant Biomacromolecules as Major Contributors to Kerogen: Discussion Philosophical Transactions of the Royal Society B. 333: 329-337. DOI: 10.1098/Rstb.1991.0082 |
0.546 |
|
| 1991 |
Prowse WG, Arnot KI, Recka JA, Thomson RH, Maxwell JR. The quincyte pigments: Fossil quinones in an eocene clay mineral Tetrahedron. 47: 1095-1108. DOI: 10.1016/S0040-4020(01)80947-9 |
0.344 |
|
| 1991 |
Eckardt CB, Keely BJ, Maxwell JR. Identification of chlorophyll transformation products in a lake sediment by combined liquid chromatography - mass spectrometry Journal of Chromatography A. 557: 271-288. DOI: 10.1016/S0021-9673(01)87138-7 |
0.423 |
|
| 1991 |
Prowse WG, Maxwell JR. High molecular weight chlorins in a lacustrine shale Organic Geochemistry. 17: 877-886. DOI: 10.1016/0146-6380(91)90029-J |
0.353 |
|
| 1991 |
Keely BJ, Maxwell JR. Structural characterization of the major chlorins in a recent sediment Organic Geochemistry. 17: 663-669. DOI: 10.1016/0146-6380(91)90008-8 |
0.41 |
|
| 1990 |
Eckardt CB, Carter JF, Maxwell JR. Combined liquid chromatography/mass spectrometry of tetrapyrroles of sedimentary significance Energy & Fuels. 4: 741-747. DOI: 10.1021/Ef00024A021 |
0.312 |
|
| 1990 |
Keely BJ, Maxwell JR. Fast atom bombardment mass spectrometric and tandem mass spectrometric studies of some functionalized tetrapyrroles derived from chlorophylls a and b Energy & Fuels. 4: 737-741. DOI: 10.1021/Ef00024A020 |
0.306 |
|
| 1990 |
Keely BJ, Prowse WG, Maxwell JR. The Treibs Hypothesis : An Evaluation Based On Structural Studies Energy & Fuels. 4: 628-634. DOI: 10.1021/Ef00024A001 |
0.369 |
|
| 1990 |
Rowland SJ, Maxwell JR. Phytenic aldehydes in a freshwater sediment Organic Geochemistry. 15: 457-460. DOI: 10.1016/0146-6380(90)90173-W |
0.384 |
|
| 1990 |
Prowse WG, Keely BJ, Maxwell JR. A novel sedimentary metallochlorin Organic Geochemistry. 16: 1059-1065. DOI: 10.1016/0146-6380(90)90143-N |
0.374 |
|
| 1990 |
Chicarelli MI, Eckardt CB, Owen CR, Maxwell JR, Eglinton G, Hutton RC, Eaton AN. Application of inductively coupled plasma-mass spectrometry in the detection of organometallic compounds in chromatographic fractions from organic rich shales Organic Geochemistry. 15: 267-274. DOI: 10.1016/0146-6380(90)90004-J |
0.555 |
|
| 1989 |
Kaur S, Gill JP, Evershed RP, Eglinton G, Maxwell JR. Computerised gas chromatographic-mass spectrometric and high-performance liquid chromatographic analysis of sedimentary benzoporphyrins Journal of Chromatography A. 473: 135-151. DOI: 10.1016/S0021-9673(00)91297-4 |
0.578 |
|
| 1989 |
Eckardt CB, Wolf M, Maxwell JR. Iron porphyrins in the Permian Kupferschiefer of the lower Rhine Basin, N.W. Germany Organic Geochemistry. 14: 659-666. DOI: 10.1016/0146-6380(89)90045-4 |
0.342 |
|
| 1989 |
Mello M, Koutsoukos E, Hart M, Brassell S, Maxwell J. Late cretaceous anoxic events in the Brazilian continental margin Organic Geochemistry. 14: 529-542. DOI: 10.1016/0146-6380(89)90033-8 |
0.784 |
|
| 1989 |
Beach F, Peakman TM, Abbott GD, Sleeman R, Maxwell JR. Laboratory thermal alteration of triaromatic steroid hydrocarbons Organic Geochemistry. 14: 109-111. DOI: 10.1016/0146-6380(89)90024-7 |
0.33 |
|
| 1988 |
Rechka JA, Maxwell JR. Unusual long chain ketones of algal origin. Tetrahedron Letters. 29: 2599-2600. DOI: 10.1016/S0040-4039(00)86122-5 |
0.378 |
|
| 1988 |
Mello MR, Gaglianone PC, Brassell SC, Maxwell JR. Geochemical and biological marker assessment of depositional environments using Brazilian offshore oils Marine and Petroleum Geology. 5: 205-223. DOI: 10.1016/0264-8172(88)90002-5 |
0.42 |
|
| 1988 |
Abbott GD, Maxwell JR. Kinetics of the aromatisation of rearranged ring-C monoaromatic steroid hydrocarbons Organic Geochemistry. 13: 881-885. DOI: 10.1016/0146-6380(88)90241-0 |
0.327 |
|
| 1988 |
Keely BJ, Brereton RG, Maxwell JR. Occurrence and significance of pyrochlorins in a lake sediment Organic Geochemistry. 13: 801-805. DOI: 10.1016/0146-6380(88)90103-9 |
0.376 |
|
| 1988 |
Rechka JA, Maxwell JR. Characterisation of alkenone temperature indicators in sediments and organisms Organic Geochemistry. 13: 727-734. DOI: 10.1016/0146-6380(88)90094-0 |
0.415 |
|
| 1988 |
Peakman TM, Maxwell JR. Early diagenetic pathways of steroid alkenes Organic Geochemistry. 13: 583-592. DOI: 10.1016/0146-6380(88)90078-2 |
0.36 |
|
| 1988 |
Espitalié J, Maxwell JR, Chenet Y, Marquis F. Aspects of hydrocarbon migration in the Mesozoic in the Paris Basin as deduced from an organic geochemical survey Organic Geochemistry. 13: 467-481. DOI: 10.1016/0146-6380(88)90068-X |
0.354 |
|
| 1988 |
Mello M, Telnaes N, Gaglianone P, Chicarelli M, Brassell S, Maxwell J. Organic geochemical characterisation of depositional palaeoenvironments of source rocks and oils in Brazilian marginal basins Organic Geochemistry. 13: 31-45. DOI: 10.1016/0146-6380(88)90023-X |
0.795 |
|
| 1987 |
Prowse WG, Chicarelli MI, Keely BJ, Kaur S, Maxwell JR. Characterisation of fossil porphyrins of the “di-DPEP” type Geochimica Et Cosmochimica Acta. 51: 2875-2877. DOI: 10.1016/0016-7037(87)90166-9 |
0.364 |
|
| 1986 |
Wolff GA, Lamb NA, Maxwell JR. The origin and fate of 4-methyl steroids—II. Dehydration of stanols and occurrence of c30 4-methyl steranes Organic Geochemistry. 10: 965-974. DOI: 10.1016/S0146-6380(86)80034-1 |
0.347 |
|
| 1986 |
Peakman TM, Farrimond P, Brassell SC, Maxwell JR. De-A-steroids in immature marine shales Organic Geochemistry. 10: 779-789. DOI: 10.1016/S0146-6380(86)80015-8 |
0.31 |
|
| 1986 |
Chicarelli MI, Maxwell JR. A novel fossil porphyrin with a fused ring system: Evidence for water column transformation of chlorophyll? Tetrahedron Letters. 27: 4653-4654. DOI: 10.1016/S0040-4039(00)85030-3 |
0.358 |
|
| 1986 |
Chicarelli MI, Wolff GA, Maxwell JR. High-performance liquid chromatographic analysis of free-base porphyrins : II. Structure effects and retention behaviour Journal of Chromatography A. 368: 11-19. DOI: 10.1016/S0021-9673(00)91042-2 |
0.331 |
|
| 1986 |
Barwise AJG, Evershed RP, Wolff GA, Eglinton G, Maxwell JR. High-performance liquid chromatographic analysis of free-base porphyrins. I. An improved method Journal of Chromatography A. 368: 1-9. DOI: 10.1016/S0021-9673(00)91041-0 |
0.503 |
|
| 1986 |
McEvoy J, Maxwell JR. A-norsteroidal ketones in deep sea sediments Organic Geochemistry. 9: 101-104. DOI: 10.1016/0146-6380(86)90090-2 |
0.383 |
|
| 1986 |
Haven HLT, Leeuw JWD, Peakman TM, Maxwell JR. Anomalies in steroid and hopanoid maturity indices Geochimica Et Cosmochimica Acta. 50: 853-855. DOI: 10.1016/0016-7037(86)90361-3 |
0.308 |
|
| 1986 |
Wolff GA, Lamb NA, Maxwell JR. The origin and fate of 4-methyl steroid hydrocarbons. I. Diagenesis of 4-methyl sterenes Geochimica Et Cosmochimica Acta. 50: 335-342. DOI: 10.1016/0016-7037(86)90187-0 |
0.315 |
|
| 1985 |
Eglinton G, Maxwell JR, Evershed RP, Barwise AJG. Red Pigments in Petroleum Exploration Interdisciplinary Science Reviews. 10: 222-236. DOI: 10.1179/Isr.1985.10.3.222 |
0.419 |
|
| 1985 |
Abbott GD, Lewis CA, Maxwell JR. The kinetics of specific organic reactions in the zone of catagenesis Philosophical Transactions - Royal Society. Mathematical, Physical and Engineering Sciences. 315: 107-122. DOI: 10.1098/Rsta.1985.0032 |
0.374 |
|
| 1985 |
Chicarelli MI, Wolff GA, Maxwell JR. 3,8,17-Triethyl-2,7,12,18-tetramethylporphyrin: a widely-occurring pigment of chlorophyll origin Journal of the Chemical Society, Chemical Communications. 723-724. DOI: 10.1039/C39850000723 |
0.318 |
|
| 1985 |
Abbott GD, Lewis CA, Maxwell JR. Laboratory models for aromatization and isomerization of hydrocarbons in sedimentary basins Nature. 318: 651-653. DOI: 10.1038/318651A0 |
0.347 |
|
| 1985 |
Gill JP, Evershed RP, Chicarelli MI, Wolff GA, Maxwell JR, Eglinton G. Computerised capillary gas chromatographic-mass spectrometric studies of the petroporphyrins of the gilsonite bitumen (Eocene, U.S.A.) Journal of Chromatography A. 350: 37-62. DOI: 10.1016/S0021-9673(01)93506-X |
0.56 |
|
| 1985 |
Rowland SJ, Yon DA, Lewis CA, Maxwell JR. Occurrence of 2,6,10-trimethyl-7-(3-methylbutyl)-dodecane and related hydrocarbons in the green alga Enteromorpha prolifera and sediments Organic Geochemistry. 8: 207-213. DOI: 10.1016/0146-6380(85)90028-2 |
0.45 |
|
| 1985 |
Wolff GA, Peakman TM, Maxwell JR. Semi‐preparative HPLC of some geologically interesting steroid hydrocarbons Hrc-Journal of High Resolution Chromatography. 8: 695-696. DOI: 10.1002/Jhrc.1240081012 |
0.401 |
|
| 1984 |
Quirk MM, Wardroper AM, Wheatley RE, Maxwell JR. Extended hopanoids in peat environments. Chemical Geology. 42: 25-43. PMID 11541955 DOI: 10.1016/0009-2541(84)90003-2 |
0.317 |
|
| 1984 |
Chicarelli MI, Maxwell JR. A naturally occurring, chlorophyll b related porphyrin Tetrahedron Letters. 25: 4701-4704. DOI: 10.1016/S0040-4039(01)91238-9 |
0.334 |
|
| 1984 |
Peakman TM, Lamb NA, Maxwell JR. Naturally occurring spiro steroid hydrocarbons Tetrahedron Letters. 25: 349-352. DOI: 10.1016/S0040-4039(00)99880-0 |
0.376 |
|
| 1984 |
Wolff GA, Chicarelli MI, Shaw GJ, Evershed RP, Quirke JME, Maxwell JR. Structure analysis of naturally occurring alkyl porphyrins by hydrogen chemical ionisation mass spectrometry Tetrahedron. 40: 3777-3786. DOI: 10.1016/S0040-4020(01)88807-4 |
0.349 |
|
| 1984 |
Wardroper AMK, Hoffmann CF, Maxwell JR, Barwise AJG, Goodwin NS, Park PJD. Crude oil biodegradation under simulated and natural conditions—II. Aromatic steroid hydrocarbons☆ Organic Geochemistry. 6: 605-617. DOI: 10.1016/0146-6380(84)90083-4 |
0.368 |
|
| 1984 |
Risatti JB, Rowland SJ, Yon DA, Maxwell JR. Stereochemical studies of acyclic isoprenoids—XII. Lipids of methanogenic bacteria and possible contributions to sediments☆ Organic Geochemistry. 6: 93-104. DOI: 10.1016/0146-6380(84)90030-5 |
0.379 |
|
| 1984 |
Abbott GD, Lewis CA, Maxwell JR. Laboratory simulation studies of steroid aromatisation and alkane isomerisation Organic Geochemistry. 6: 31-38. DOI: 10.1016/0146-6380(84)90024-X |
0.337 |
|
| 1984 |
Brassell S, McEvoy J, Hoffmann C, Lamb N, Peakman T, Maxwell J. Isomerisation, rearrangement and aromatisation of steroids in distinguishing early stages of diagenesis Organic Geochemistry. 6: 11-23. DOI: 10.1016/0146-6380(84)90022-6 |
0.783 |
|
| 1984 |
Chicarelli MI, Wolff GA, Murray M, Maxwell JR. Porphyrins with a novel exocyclic ring system in an oil shale Tetrahedron. 40: 4033-4039. DOI: 10.1016/0040-4020(84)85083-8 |
0.355 |
|
| 1984 |
Rowland SJ, Maxwell JR. Reworked triterpenoid and steroid hydrocarbons in a recent sediment Geochimica Et Cosmochimica Acta. 48: 617-624. DOI: 10.1016/0016-7037(84)90090-5 |
0.463 |
|
| 1984 |
Hoffmann C, Mackenzie A, Lewis C, Maxwell J, Oudin J, Durand B, Vandenbroucke M. A biological marker study of coals, shales and oils from the Mahakam Delta, Kalimantan, Indonesia Chemical Geology. 42: 1-23. DOI: 10.1016/0009-2541(84)90002-0 |
0.379 |
|
| 1983 |
Brassell SC, Eglinton G, Maxwell JR. The geochemistry of terpenoids and steroids. Biochemical Society Transactions. 11: 575-86. PMID 6642066 DOI: 10.1042/Bst0110575 |
0.738 |
|
| 1983 |
Wolff GA, Murray M, Maxwell JR, Hunter BK, Sanders JKM. 15,17-Butano-3,8-diethyl-2,7,12,18-tetramethylporphyrin - a novel naturally occurring tetrapyrrole Journal of the Chemical Society, Chemical Communications. 922-924. DOI: 10.1039/C39830000922 |
0.328 |
|
| 1983 |
McKenzie D, Mackenzie AS, Maxwell JR, Sajgó C. Isomerization and aromatization of hydrocarbons in stretched sedimentary basins Nature. 301: 504-506. DOI: 10.1038/301504A0 |
0.34 |
|
| 1983 |
Sajgo C, Maxwell J, Mackenzie A. Evaluation of fractionation effects during the early stages of primary migration Organic Geochemistry. 5: 65-73. DOI: 10.1016/0146-6380(83)90004-9 |
0.399 |
|
| 1982 |
Mackenzie AS, Brassell SC, Eglinton G, Maxwell JR. Chemical fossils: the geological fate of steroids. Science (New York, N.Y.). 217: 491-504. PMID 17820518 DOI: 10.1126/Science.217.4559.491 |
0.783 |
|
| 1982 |
Mackenzie AS, Lamb NA, Maxwell JR. Steroid hydrocarbons and the thermal history of sediments Nature. 295: 223-226. DOI: 10.1038/295223A0 |
0.388 |
|
| 1982 |
Rowland SJ, Lamb NA, Wilkinson CF, Maxwell JR. Confirmation of 2,6,10,15,19-pentamethyleicosane in methanogenic bacteria and sediments Tetrahedron Letters. 23: 101-104. DOI: 10.1016/S0040-4039(00)97545-2 |
0.364 |
|
| 1982 |
Yon DA, Maxwell JR, Ryback G. 2,6,10-Trimethyl-7-(3-methylbutyl)-dodecane, a novel sedimentary biological marker compound. Tetrahedron Letters. 23: 2143-2146. DOI: 10.1016/S0040-4039(00)87283-4 |
0.405 |
|
| 1982 |
Mackenzie A, Patience R, Yon D, Maxwell J. The effect of maturation on the configurations of acyclic isoprenoid acids in sediments Geochimica Et Cosmochimica Acta. 46: 783-792. DOI: 10.1016/0016-7037(82)90030-8 |
0.367 |
|
| 1982 |
Ji-Yang S, Mackenzie A, Alexander R, Eglinton G, Gowar A, Wolff G, Maxwell J. A biological marker investigation of petroleums and shales from the Shengli oilfield, The People's Republic of China Chemical Geology. 35: 1-31. DOI: 10.1016/0009-2541(82)90017-1 |
0.542 |
|
| 1982 |
Marriott PJ, Gill JP, Evershed RP, Eglinton G, Maxwell JR. Capillary GC and GC-MS of porphyrins and metalloporphyrins Chromatographia. 16: 304-308. DOI: 10.1007/Bf02258926 |
0.632 |
|
| 1981 |
Brassell SC, Wardroper AM, Thomson ID, Maxwell JR, Eglinton G. Specific acyclic isoprenoids as biological markers of methanogenic bacteria in marine sediments. Nature. 290: 693-6. PMID 7219553 DOI: 10.1038/290693A0 |
0.785 |
|
| 1981 |
Ekweozor CM, Okogun JI, Ekong DEU, Maxwell JR. C24–C27 Degraded Triterpanes in Nigerian Petroleum: Novel Molecular Markers of Source/Input or Organic Maturation? Journal of Geochemical Exploration. 15: 653-662. DOI: 10.1016/0375-6742(81)90095-9 |
0.364 |
|
| 1981 |
Mackenzie A, Hoffmann C, Maxwell J. Molecular parameters of maturation in the Toarcian shales, Paris Basin, France—III. Changes in aromatic steroid hydrocarbons Geochimica Et Cosmochimica Acta. 45: 1345-1355. DOI: 10.1016/0016-7037(81)90227-1 |
0.358 |
|
| 1981 |
Mackenzie A, Lewis C, Maxwell J. Molecular parameters of maturation in the Toarcian shales, Paris Basin, France—IV. Laboratory thermal alteration studies Geochimica Et Cosmochimica Acta. 45: 2369-2376. DOI: 10.1016/0016-7037(81)90090-9 |
0.354 |
|
| 1980 |
Maxwell JR, Mackenzie AS, Volkman JK. Configuration at C-24 in steranes and sterols Nature. 286: 694-697. DOI: 10.1038/286694A0 |
0.414 |
|
| 1980 |
Taylor J, Wardroper AMK, Maxwell JR. Extended hopane derivatives in sediments: identification by 1H NMR Tetrahedron Letters. 21: 655-656. DOI: 10.1016/S0040-4039(01)85584-2 |
0.369 |
|
| 1980 |
Brassell SC, Comet PA, Eglinton G, Isaacson PJ, McEvoy J, Maxwell JR, Thomson ID, Tibbetts PJC, Volkman JK. The origin and fate of lipids in the Japan Trench Physics and Chemistry of the Earth. 12: 375-392. DOI: 10.1016/0079-1946(79)90120-4 |
0.545 |
|
| 1980 |
Patience RL, Yon DA, Ryback G, Maxwell JR. Acyclic isoprenoid alkanes and geochemical maturation Physics and Chemistry of the Earth. 12: 287-293. DOI: 10.1016/0079-1946(79)90113-7 |
0.336 |
|
| 1980 |
Mackenzie A, Quirke J, Maxwell J. Molecular parameters of maturation in the Toarcian shales, Paris Basin, France—II Evolution of metalloporphyrins Physics and Chemistry of the Earth. 12: 239-248. DOI: 10.1016/0079-1946(79)90108-3 |
0.356 |
|
| 1980 |
Eglinton G, Hajibrahim SK, Maxwell JR, Martin J, Quirke E. Petroporphyrins: Structural elucidation and the application of HPLC fingerprinting to geochemical problems Physics and Chemistry of the Earth. 12: 193-203. DOI: 10.1016/0079-1946(79)90103-4 |
0.574 |
|
| 1980 |
Quirke JE, Maxwell JR, Eglinton G, Sanders JK. Petroporphyrins IV. Nuclear overhauser enhancement 1H NMR studies of deoxophylloerythroetio porphyrins from gilsonite Tetrahedron Letters. 21: 2987-2990. DOI: 10.1016/0040-4039(80)88016-6 |
0.521 |
|
| 1980 |
Quirke JME, Maxwell JR. Petroporphyrins—III: Characterisation of a c32 aetioporphyrin from gilsonite as the bis[porphyrinato-mercury(II) acetato]mercury(II) complex. Origin and significance Tetrahedron. 36: 3453-3458. DOI: 10.1016/0040-4020(80)80199-2 |
0.321 |
|
| 1980 |
Martin J, Quirke E, Shaw GJ, Soper PD, Maxwell JR. Petroporphyrins—II1: The presence of porphyrins with extended alkyl substituents Tetrahedron. 36: 3261-3267. DOI: 10.1016/0040-4020(80)80174-8 |
0.368 |
|
| 1980 |
Mackenzie A, Patience R, Maxwell J, Vandenbroucke M, Durand B. Molecular parameters of maturation in the Toarcian shales, Paris Basin, France—I. Changes in the configurations of acyclic isoprenoid alkanes, steranes and triterpanes Geochimica Et Cosmochimica Acta. 44: 1709-1721. DOI: 10.1016/0016-7037(80)90222-7 |
0.342 |
|
| 1979 |
Ekweozor CM, Okogun JI, Ekong DEU, Maxwell JR. Preliminary organic geochemical studies of samples from the niger delta (Nigeria): II. Analyses of shale for triterpenoid derivatives Chemical Geology. 27: 29-37. DOI: 10.1016/0009-2541(79)90101-3 |
0.371 |
|
| 1979 |
Ekweozor CM, Okogun JI, Ekong DEU, Maxwell JR. Preliminary organic geochemical studies of samples from the Niger delta (Nigeria) I. Analyses of crude oils for triterpanes Chemical Geology. 27: 11-28. DOI: 10.1016/0009-2541(79)90100-1 |
0.393 |
|
| 1978 |
Patience RL, Rowland SJ, Maxwell JR. The effect of maturation on the configuration of pristane in sediments and petroleum Geochimica Et Cosmochimica Acta. 42: 1871-1875. DOI: 10.1016/0016-7037(78)90242-9 |
0.302 |
|
| 1978 |
Brooks PW, Maxwell JR, Patience RL. Stereochemical relationships between phytol and phytanic acid, dihydrophytol and C18 ketone in Recent sediments☆ Geochimica Et Cosmochimica Acta. 42: 1175-1180. DOI: 10.1016/0016-7037(78)90112-6 |
0.45 |
|
| 1978 |
Cardoso JN, Watts CD, Maxwell JR, Goodfellow R, Eglinton G, Golubic S. A biogeochemical study of the Abu Dhabi algal mats: A simplified ecosystem Chemical Geology. 23: 273-291. DOI: 10.1016/0009-2541(78)90083-9 |
0.573 |
|
| 1977 |
Wardroper AMK, Brooks PW, Humberston MJ, Maxwell JR. Analysis of steranes and triterpanes in geolipid extracts by automatic classification of mass spectra Geochimica Et Cosmochimica Acta. 41: 499-510. DOI: 10.1016/0016-7037(77)90288-5 |
0.348 |
|
| 1977 |
Watts CD, Maxwell JR. Carotenoid diagenesis in a marine sediment Geochimica Et Cosmochimica Acta. 41: 493-497. DOI: 10.1016/0016-7037(77)90287-3 |
0.332 |
|
| 1977 |
Brooks PW, Eglinton G, Gaskell SJ, McHugh DJ, Maxwell JR, Philip RP. Lipids of Recent sediments, Part II. Branched and cyclic alkanes and alkanoic acids of some temperate lacustrine and sub-tropical lagoonal/tidal-flat sediments Chemical Geology. 20: 189-204. DOI: 10.1016/0009-2541(77)90043-2 |
0.611 |
|
| 1976 |
Brooks PW, Eglinton G, Gaskell SJ, McHugh DJ, Maxwell JR, Philp RP. Lipids of Recent sediments, Part I: Straight-chain hydrocarbons and carboxylic acids of some temperate lacustrine and sub-tropical lagoonal/tidal flat sediments Chemical Geology. 18: 21-38. DOI: 10.1016/0009-2541(76)90058-9 |
0.597 |
|
| 1975 |
Simoneit BRT, Clews LA, Watts CD, Maxwell JR. Stereochemical studies of acyclic isoprenoid compounds-V. Oxidation products of Green River Formation oil shale kerogen Geochimica Et Cosmochimica Acta. 39: 1143-1145. DOI: 10.1016/0016-7037(75)90056-3 |
0.358 |
|
| 1974 |
Eglinton G, Maxwell JR, Pillinger CT. Carbon chemistry of the Apollo lunar samples. Topics in Current Chemistry. 44: 83-113. PMID 4617936 DOI: 10.1007/3-540-06457-5_14 |
0.493 |
|
| 1974 |
Dorsselaer AV, Ensminger A, Spyckerelle C, Dastillung M, Sieskind O, Arpino P, Albrecht P, Ourisson G, Brooks PW, Gaskell SJ, Kimble BJ, Philp RP, Maxwell JR, Eglinton G. Degraded and extended hopane derivatives (C27 to C35) as ubiquitous geochemical markers Tetrahedron Letters. 15: 1349-1352. DOI: 10.1016/S0040-4039(01)82485-0 |
0.508 |
|
| 1974 |
Kimble BJ, Maxwell JR, Philp RP, Eglinton G, Albrecht P, Ensminger A, Arpino P, Ourisson G. Tri- and tetraterpenoid hydrocarbons in the Messel oil shale Geochimica Et Cosmochimica Acta. 38: 1165-1181. DOI: 10.1016/0016-7037(74)90011-8 |
0.425 |
|
| 1974 |
Kimble BJ, Maxwell JR, Philp RP, Eglinton G. Identification of steranes and tritepanes in geolipid extracts by high-resolution gas chromatography and mass spectrometry Chemical Geology. 14: 173-198. DOI: 10.1016/0009-2541(74)90127-2 |
0.536 |
|
| 1973 |
Pillinger CT, Batts BD, Eglinton G, Gowar AP, Jull AJT, Maxwell JR. Formation of Lunar Carbide from Lunar Iron Silicates Nature. 245: 3-5. DOI: 10.1038/Physci245003A0 |
0.485 |
|
| 1973 |
Cadogan PH, Eglinton G, Maxwell JR, Pillinger CT. Distribution of Methane and Carbide in Apollo 11 Fines Nature. 241: 81-83. DOI: 10.1038/Physci241081A0 |
0.504 |
|
| 1973 |
Maxwell JR, Cox RE, Eglinton G, Pillinger CT, Ackman RG, Hooper SN. Stereochemical studies of acyclic isoprenoid compounds-II The role of chlorophyll in the derivation of isoprenoid-type acids in a lacustrine sediment Geochimica Et Cosmochimica Acta. 37: 297-313. DOI: 10.1016/0016-7037(73)90136-1 |
0.507 |
|
| 1972 |
Eglinton G, Maxwell JR, Pillinger CT. The carbon chemistry of the moon. Scientific American. 227: 80-90. DOI: 10.1038/Scientificamerican1072-80 |
0.325 |
|
| 1972 |
Pillinger CT, Cadogan PH, Eglinton G, Maxwell JR, Mays BJ, Grant WA, Nobes MJ. Simulation Study of Lunar Carbon Chemistry Nature. 235: 108-109. DOI: 10.1038/Physci235108A0 |
0.478 |
|
| 1972 |
Ensminger A, Albrecht P, Ourisson G, Kimble BJ, Maxwell JR, Eglinton. Homohopane in messel oil shale : First identification of a C31 pentacyclic triterpane in nature Bacterial origin of some triterpanes in ancient sediments? Tetrahedron Letters. 13: 3861-3864. DOI: 10.1016/S0040-4039(01)94181-4 |
0.387 |
|
| 1971 |
Cadogan PH, Eglinton G, Maxwell JR, Pillinger CT. Carbon chemistry of the lunar surface. Nature. 231: 29-31. PMID 16062540 DOI: 10.1038/231029A0 |
0.488 |
|
| 1970 |
Abell PI, Draffan GH, Eglinton G, Hayes JM, Maxwell JR, Pillinger CT. Organic analysis of the returned lunar sample. Science (New York, N.Y.). 167: 757-9. PMID 17781581 DOI: 10.1126/Science.167.3918.757 |
0.556 |
|
| 1970 |
Abell PI, Eglinton G, Maxwell JR, Pillinger CT, Hayes JM. Indigenous lunar methane and ethane. Nature. 226: 251-2. PMID 16057191 DOI: 10.1038/226251B0 |
0.533 |
|
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