Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2005248029', 'doi': 'https://doi.org/10.1016/j.orggeochem.2009.02.004', 'title': 'Changes in gas composition during simulated maturation of sulfur rich type II-S source rock and related petroleum asphaltenes', 'display_name': 'Changes in gas composition during simulated maturation of sulfur rich type II-S source rock and related petroleum asphaltenes', 'publication_year': 2009, 'publication_date': '2009-02-22', 'ids': {'openalex': 'https://openalex.org/W2005248029', 'doi': 'https://doi.org/10.1016/j.orggeochem.2009.02.004', 'mag': '2005248029'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/j.orggeochem.2009.02.004', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S196384270', 'display_name': 'Organic Geochemistry', 'issn_l': '0146-6380', 'issn': ['0146-6380', '1873-5290'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5042544094', 'display_name': 'Eric Lehne', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210152878', 'display_name': 'Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences', 'ror': 'https://ror.org/04z8jg394', 'country_code': 'DE', 'type': 'facility', 'lineage': ['https://openalex.org/I1305996414', 'https://openalex.org/I4210152878']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'Eric Lehne', 'raw_affiliation_strings': ['Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, D-14473 Potsdam, Germany'], 'affiliations': [{'raw_affiliation_string': 'Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, D-14473 Potsdam, Germany', 'institution_ids': ['https://openalex.org/I4210152878']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5083557668', 'display_name': 'Volker Dieckmann', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210152878', 'display_name': 'Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences', 'ror': 'https://ror.org/04z8jg394', 'country_code': 'DE', 'type': 'facility', 'lineage': ['https://openalex.org/I1305996414', 'https://openalex.org/I4210152878']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'Volker Dieckmann', 'raw_affiliation_strings': ['Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, D-14473 Potsdam, Germany'], 'affiliations': [{'raw_affiliation_string': 'Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, D-14473 Potsdam, Germany', 'institution_ids': ['https://openalex.org/I4210152878']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5091220122', 'display_name': 'Rolando di Primio', 'orcid': 'https://orcid.org/0000-0003-1332-0612'}, 'institutions': [{'id': 'https://openalex.org/I4210152878', 'display_name': 'Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences', 'ror': 'https://ror.org/04z8jg394', 'country_code': 'DE', 'type': 'facility', 'lineage': ['https://openalex.org/I1305996414', 'https://openalex.org/I4210152878']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'Rolando di Primio', 'raw_affiliation_strings': ['Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, D-14473 Potsdam, Germany'], 'affiliations': [{'raw_affiliation_string': 'Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, D-14473 Potsdam, Germany', 'institution_ids': ['https://openalex.org/I4210152878']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5110083636', 'display_name': 'Andreas Fuhrmann', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210152878', 'display_name': 'Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences', 'ror': 'https://ror.org/04z8jg394', 'country_code': 'DE', 'type': 'facility', 'lineage': ['https://openalex.org/I1305996414', 'https://openalex.org/I4210152878']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'Andreas Fuhrmann', 'raw_affiliation_strings': ['Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, D-14473 Potsdam, Germany'], 'affiliations': [{'raw_affiliation_string': 'Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, D-14473 Potsdam, Germany', 'institution_ids': ['https://openalex.org/I4210152878']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5059140199', 'display_name': 'Brian Horsfield', 'orcid': 'https://orcid.org/0000-0002-3896-2964'}, 'institutions': [{'id': 'https://openalex.org/I4210152878', 'display_name': 'Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences', 'ror': 'https://ror.org/04z8jg394', 'country_code': 'DE', 'type': 'facility', 'lineage': ['https://openalex.org/I1305996414', 'https://openalex.org/I4210152878']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'Brian Horsfield', 'raw_affiliation_strings': ['Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, D-14473 Potsdam, Germany'], 'affiliations': [{'raw_affiliation_string': 'Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, D-14473 Potsdam, Germany', 'institution_ids': ['https://openalex.org/I4210152878']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 3050, 'currency': 'USD', 'value_usd': 3050, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 1.255, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 15, 'citation_normalized_percentile': {'value': 0.883148, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 86, 'max': 87}, 'biblio': {'volume': '40', 'issue': '5', 'first_page': '604', 'last_page': '616'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10399', 'display_name': 'Hydrocarbon exploration and reservoir analysis', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/2211', 'display_name': 'Mechanics of Materials'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10399', 'display_name': 'Hydrocarbon exploration and reservoir analysis', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/2211', 'display_name': 'Mechanics of Materials'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T11630', 'display_name': 'Petroleum Processing and Analysis', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/1602', 'display_name': 'Analytical Chemistry'}, 'field': {'id': 'https://openalex.org/fields/16', 'display_name': 'Chemistry'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T11588', 'display_name': 'Atmospheric and Environmental Gas Dynamics', 'score': 0.9951, 'subfield': {'id': 'https://openalex.org/subfields/2306', 'display_name': 'Global and Planetary Change'}, 'field': {'id': 'https://openalex.org/fields/23', 'display_name': 'Environmental Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/asphaltene', 'display_name': 'Asphaltene', 'score': 0.94373584}, {'id': 'https://openalex.org/keywords/petroleum-geochemistry', 'display_name': 'Petroleum geochemistry', 'score': 0.521182}, {'id': 'https://openalex.org/keywords/gas-composition', 'display_name': 'Gas composition', 'score': 0.43525487}], 'concepts': [{'id': 'https://openalex.org/C2779196632', 'wikidata': 'https://www.wikidata.org/wiki/Q938398', 'display_name': 'Kerogen', 'level': 4, 'score': 0.96746314}, {'id': 'https://openalex.org/C65324659', 'wikidata': 'https://www.wikidata.org/wiki/Q255712', 'display_name': 'Asphaltene', 'level': 2, 'score': 0.94373584}, {'id': 'https://openalex.org/C126559015', 'wikidata': 'https://www.wikidata.org/wiki/Q1988844', 'display_name': 'Source rock', 'level': 3, 'score': 0.90910035}, {'id': 'https://openalex.org/C36759035', 'wikidata': 'https://www.wikidata.org/wiki/Q176848', 'display_name': 'Pyrolysis', 'level': 2, 'score': 0.6856032}, {'id': 'https://openalex.org/C2777207669', 'wikidata': 'https://www.wikidata.org/wiki/Q43648', 'display_name': 'Hydrocarbon', 'level': 2, 'score': 0.55785096}, {'id': 'https://openalex.org/C518881349', 'wikidata': 'https://www.wikidata.org/wiki/Q682', 'display_name': 'Sulfur', 'level': 2, 'score': 0.55648786}, {'id': 'https://openalex.org/C157314747', 'wikidata': 'https://www.wikidata.org/wiki/Q3760196', 'display_name': 'Petroleum geochemistry', 'level': 5, 'score': 0.521182}, {'id': 'https://openalex.org/C101433766', 'wikidata': 'https://www.wikidata.org/wiki/Q3543263', 'display_name': 'Maturity (psychological)', 'level': 2, 'score': 0.51792616}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.4868254}, {'id': 'https://openalex.org/C185059815', 'wikidata': 'https://www.wikidata.org/wiki/Q471790', 'display_name': 'Isotopes of carbon', 'level': 3, 'score': 0.4638059}, {'id': 'https://openalex.org/C548895740', 'wikidata': 'https://www.wikidata.org/wiki/Q22656', 'display_name': 'Petroleum', 'level': 2, 'score': 0.44425938}, {'id': 'https://openalex.org/C127313418', 'wikidata': 'https://www.wikidata.org/wiki/Q1069', 'display_name': 'Geology', 'level': 0, 'score': 0.43707532}, {'id': 'https://openalex.org/C175721412', 'wikidata': 'https://www.wikidata.org/wiki/Q5526327', 'display_name': 'Gas composition', 'level': 2, 'score': 0.43525487}, {'id': 'https://openalex.org/C149849071', 'wikidata': 'https://www.wikidata.org/wiki/Q1263816', 'display_name': 'Chemical composition', 'level': 2, 'score': 0.42966843}, {'id': 'https://openalex.org/C199289684', 'wikidata': 'https://www.wikidata.org/wiki/Q83353', 'display_name': 'Mineralogy', 'level': 1, 'score': 0.42501295}, {'id': 'https://openalex.org/C107872376', 'wikidata': 'https://www.wikidata.org/wiki/Q321355', 'display_name': 'Environmental chemistry', 'level': 1, 'score': 0.36149025}, {'id': 'https://openalex.org/C158787203', 'wikidata': 'https://www.wikidata.org/wiki/Q900291', 'display_name': 'Total organic carbon', 'level': 2, 'score': 0.29091418}, {'id': 'https://openalex.org/C178790620', 'wikidata': 'https://www.wikidata.org/wiki/Q11351', 'display_name': 'Organic chemistry', 'level': 1, 'score': 0.22310814}, {'id': 'https://openalex.org/C151730666', 'wikidata': 'https://www.wikidata.org/wiki/Q7205', 'display_name': 'Paleontology', 'level': 1, 'score': 0.08512846}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C109007969', 'wikidata': 'https://www.wikidata.org/wiki/Q749565', 'display_name': 'Structural basin', 'level': 2, 'score': 0.0}, {'id': 'https://openalex.org/C97355855', 'wikidata': 'https://www.wikidata.org/wiki/Q11473', 'display_name': 'Thermodynamics', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C138496976', 'wikidata': 'https://www.wikidata.org/wiki/Q175002', 'display_name': 'Developmental psychology', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C15744967', 'wikidata': 'https://www.wikidata.org/wiki/Q9418', 'display_name': 'Psychology', 'level': 0, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/j.orggeochem.2009.02.004', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S196384270', 'display_name': 'Organic Geochemistry', 'issn_l': '0146-6380', 'issn': ['0146-6380', '1873-5290'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'display_name': 'Life below water', 'score': 0.42, 'id': 'https://metadata.un.org/sdg/14'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 72, 'referenced_works': ['https://openalex.org/W1664607627', 'https://openalex.org/W1892221891', 'https://openalex.org/W1968719235', 'https://openalex.org/W1969198452', 'https://openalex.org/W1970613559', 'https://openalex.org/W1973571626', 'https://openalex.org/W1973662203', 'https://openalex.org/W1986843887', 'https://openalex.org/W1987847784', 'https://openalex.org/W1988032282', 'https://openalex.org/W1988398421', 'https://openalex.org/W1989967888', 'https://openalex.org/W1999864696', 'https://openalex.org/W2003639469', 'https://openalex.org/W2004538472', 'https://openalex.org/W2008362115', 'https://openalex.org/W2009285947', 'https://openalex.org/W2010160197', 'https://openalex.org/W2017104525', 'https://openalex.org/W2018052213', 'https://openalex.org/W2020999068', 'https://openalex.org/W2022132363', 'https://openalex.org/W2023357802', 'https://openalex.org/W2025150852', 'https://openalex.org/W2025940705', 'https://openalex.org/W2027085833', 'https://openalex.org/W2029467787', 'https://openalex.org/W2030310824', 'https://openalex.org/W2030906804', 'https://openalex.org/W2031721269', 'https://openalex.org/W2033440154', 'https://openalex.org/W2034044011', 'https://openalex.org/W2035540455', 'https://openalex.org/W2039623562', 'https://openalex.org/W2040829085', 'https://openalex.org/W2044073149', 'https://openalex.org/W2045003443', 'https://openalex.org/W2047522563', 'https://openalex.org/W2048042391', 'https://openalex.org/W2049786889', 'https://openalex.org/W2051008876', 'https://openalex.org/W2052572989', 'https://openalex.org/W2054509765', 'https://openalex.org/W2056160475', 'https://openalex.org/W2058136467', 'https://openalex.org/W2063641364', 'https://openalex.org/W2063992383', 'https://openalex.org/W2064552824', 'https://openalex.org/W2064571215', 'https://openalex.org/W2065516865', 'https://openalex.org/W2071465468', 'https://openalex.org/W2076560014', 'https://openalex.org/W2078386142', 'https://openalex.org/W2079350102', 'https://openalex.org/W2080556644', 'https://openalex.org/W2080830767', 'https://openalex.org/W2091225591', 'https://openalex.org/W2092169619', 'https://openalex.org/W2108356947', 'https://openalex.org/W2112552014', 'https://openalex.org/W2116638232', 'https://openalex.org/W2118407552', 'https://openalex.org/W2157498492', 'https://openalex.org/W2162224891', 'https://openalex.org/W2164757500', 'https://openalex.org/W2177075022', 'https://openalex.org/W2321505773', 'https://openalex.org/W2343270794', 'https://openalex.org/W2727163156', 'https://openalex.org/W2921067423', 'https://openalex.org/W3150905625', 'https://openalex.org/W341632809'], 'related_works': ['https://openalex.org/W985076462', 'https://openalex.org/W4230261231', 'https://openalex.org/W2922123756', 'https://openalex.org/W2360429275', 'https://openalex.org/W2078386142', 'https://openalex.org/W2067035672', 'https://openalex.org/W2046709485', 'https://openalex.org/W2010160197', 'https://openalex.org/W1976490418', 'https://openalex.org/W101969319'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2005248029', 'counts_by_year': [{'year': 2022, 'cited_by_count': 1}, {'year': 2021, 'cited_by_count': 2}, {'year': 2020, 'cited_by_count': 4}, {'year': 2018, 'cited_by_count': 2}, {'year': 2017, 'cited_by_count': 1}, {'year': 2016, 'cited_by_count': 1}, {'year': 2014, 'cited_by_count': 1}, {'year': 2013, 'cited_by_count': 1}, {'year': 2012, 'cited_by_count': 1}], 'updated_date': '2025-01-05T07:39:03.909608', 'created_date': '2016-06-24'}