Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1992358204', 'doi': 'https://doi.org/10.1038/newbio238219a0', 'title': 'Site of Nitrogenase Activity in the Blue-Green Alga Anabaena sp. L-31', 'display_name': 'Site of Nitrogenase Activity in the Blue-Green Alga Anabaena sp. L-31', 'publication_year': 1972, 'publication_date': '1972-08-01', 'ids': {'openalex': 'https://openalex.org/W1992358204', 'doi': 'https://doi.org/10.1038/newbio238219a0', 'mag': '1992358204', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/4626450'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1038/newbio238219a0', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4210210546', 'display_name': 'Nature New Biology', 'issn_l': '0090-0028', 'issn': ['0090-0028', '2058-1092'], 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/P4310319908', 'host_organization_name': 'Nature Portfolio', 'host_organization_lineage': ['https://openalex.org/P4310319908', 'https://openalex.org/P4310319965'], 'host_organization_lineage_names': ['Nature Portfolio', 'Springer Nature'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], '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/A5080551809', 'display_name': 'J.B. Thomas', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I1329621470', 'display_name': 'Bhabha Atomic Research Centre', 'ror': 'https://ror.org/05w6wfp17', 'country_code': 'IN', 'type': 'facility', 'lineage': ['https://openalex.org/I1329621470', 'https://openalex.org/I2799351866', 'https://openalex.org/I3149292468']}], 'countries': ['IN'], 'is_corresponding': False, 'raw_author_name': 'JOSEPH THOMAS', 'raw_affiliation_strings': ['Biology and Agriculture Division, Bhabha Atomic Research Centre, Trombay, Bombay,'], 'affiliations': [{'raw_affiliation_string': 'Biology and Agriculture Division, Bhabha Atomic Research Centre, Trombay, Bombay,', 'institution_ids': ['https://openalex.org/I1329621470']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5026731654', 'display_name': 'K. A. V. David', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I1329621470', 'display_name': 'Bhabha Atomic Research Centre', 'ror': 'https://ror.org/05w6wfp17', 'country_code': 'IN', 'type': 'facility', 'lineage': ['https://openalex.org/I1329621470', 'https://openalex.org/I2799351866', 'https://openalex.org/I3149292468']}], 'countries': ['IN'], 'is_corresponding': False, 'raw_author_name': 'K. A. V. DAVID', 'raw_affiliation_strings': ['Biology and Agriculture Division, Bhabha Atomic Research Centre, Trombay, Bombay,'], 'affiliations': [{'raw_affiliation_string': 'Biology and Agriculture Division, Bhabha Atomic Research Centre, Trombay, Bombay,', 'institution_ids': ['https://openalex.org/I1329621470']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 6.276, 'has_fulltext': False, 'cited_by_count': 27, 'citation_normalized_percentile': {'value': 0.742989, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 91, 'max': 92}, 'biblio': {'volume': '238', 'issue': '85', 'first_page': '219', 'last_page': '221'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10032', 'display_name': 'Marine Biogeochemistry and Ecosystem Dynamics', 'score': 0.9994, 'subfield': {'id': 'https://openalex.org/subfields/1910', 'display_name': 'Oceanography'}, 'field': {'id': 'https://openalex.org/fields/19', 'display_name': 'Earth and Planetary Sciences'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10032', 'display_name': 'Marine Biogeochemistry and Ecosystem Dynamics', 'score': 0.9994, 'subfield': {'id': 'https://openalex.org/subfields/1910', 'display_name': 'Oceanography'}, 'field': {'id': 'https://openalex.org/fields/19', 'display_name': 'Earth and Planetary Sciences'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T10765', 'display_name': 'Marine Biodiversity and Ecosystem Functioning', 'score': 0.9959, 'subfield': {'id': 'https://openalex.org/subfields/1910', 'display_name': 'Oceanography'}, 'field': {'id': 'https://openalex.org/fields/19', 'display_name': 'Earth and Planetary Sciences'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T10476', 'display_name': 'Microalgae as a Source for Biofuels Production', 'score': 0.9949, 'subfield': {'id': 'https://openalex.org/subfields/2105', 'display_name': 'Renewable Energy, Sustainability and the Environment'}, 'field': {'id': 'https://openalex.org/fields/21', 'display_name': 'Energy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/heterocyst', 'display_name': 'Heterocyst', 'score': 0.994714}, {'id': 'https://openalex.org/keywords/microalgae', 'display_name': 'Microalgae', 'score': 0.496876}, {'id': 'https://openalex.org/keywords/azolla', 'display_name': 'Azolla', 'score': 0.49363697}], 'concepts': [{'id': 'https://openalex.org/C24417256', 'wikidata': 'https://www.wikidata.org/wiki/Q899004', 'display_name': 'Heterocyst', 'level': 5, 'score': 0.994714}, {'id': 'https://openalex.org/C141280058', 'wikidata': 'https://www.wikidata.org/wiki/Q410381', 'display_name': 'Nitrogenase', 'level': 4, 'score': 0.9927397}, {'id': 'https://openalex.org/C181440489', 'wikidata': 'https://www.wikidata.org/wiki/Q272467', 'display_name': 'Nitrogen fixation', 'level': 3, 'score': 0.7773378}, {'id': 'https://openalex.org/C183688256', 'wikidata': 'https://www.wikidata.org/wiki/Q11982', 'display_name': 'Photosynthesis', 'level': 2, 'score': 0.7177231}, {'id': 'https://openalex.org/C2779669040', 'wikidata': 'https://www.wikidata.org/wiki/Q93315', 'display_name': 'Cyanobacteria', 'level': 3, 'score': 0.71279657}, {'id': 'https://openalex.org/C2777530773', 'wikidata': 'https://www.wikidata.org/wiki/Q133353', 'display_name': 'Anabaena', 'level': 4, 'score': 0.6273956}, {'id': 'https://openalex.org/C59822182', 'wikidata': 'https://www.wikidata.org/wiki/Q441', 'display_name': 'Botany', 'level': 1, 'score': 0.6024876}, {'id': 'https://openalex.org/C559758991', 'wikidata': 'https://www.wikidata.org/wiki/Q37868', 'display_name': 'Algae', 'level': 2, 'score': 0.5626356}, {'id': 'https://openalex.org/C154828652', 'wikidata': 'https://www.wikidata.org/wiki/Q4339518', 'display_name': 'Photosystem I', 'level': 4, 'score': 0.50704956}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.4988246}, {'id': 'https://openalex.org/C2781226114', 'wikidata': 'https://www.wikidata.org/wiki/Q1128633', 'display_name': 'Azolla', 'level': 2, 'score': 0.49363697}, {'id': 'https://openalex.org/C540031477', 'wikidata': 'https://www.wikidata.org/wiki/Q629', 'display_name': 'Oxygen', 'level': 2, 'score': 0.4721722}, {'id': 'https://openalex.org/C80298142', 'wikidata': 'https://www.wikidata.org/wiki/Q22327014', 'display_name': 'Photosystem II', 'level': 3, 'score': 0.45229614}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.40962595}, {'id': 'https://openalex.org/C537208039', 'wikidata': 'https://www.wikidata.org/wiki/Q627', 'display_name': 'Nitrogen', 'level': 2, 'score': 0.311386}, {'id': 'https://openalex.org/C523546767', 'wikidata': 'https://www.wikidata.org/wiki/Q10876', 'display_name': 'Bacteria', 'level': 2, 'score': 0.09361425}, {'id': 'https://openalex.org/C54355233', 'wikidata': 'https://www.wikidata.org/wiki/Q7162', 'display_name': 'Genetics', 'level': 1, 'score': 0.055273235}, {'id': 'https://openalex.org/C178790620', 'wikidata': 'https://www.wikidata.org/wiki/Q11351', 'display_name': 'Organic chemistry', 'level': 1, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D000458', 'descriptor_name': 'Cyanobacteria', 'qualifier_ui': 'Q000201', 'qualifier_name': 'enzymology', 'is_major_topic': True}, {'descriptor_ui': 'D010088', 'descriptor_name': 'Oxidoreductases', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': True}, {'descriptor_ui': 'D000114', 'descriptor_name': 'Acetylene', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': False}, {'descriptor_ui': 'D000114', 'descriptor_name': 'Acetylene', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000458', 'descriptor_name': 'Cyanobacteria', 'qualifier_ui': 'Q000254', 'qualifier_name': 'growth & development', 'is_major_topic': False}, {'descriptor_ui': 'D000458', 'descriptor_name': 'Cyanobacteria', 'qualifier_ui': 'Q000166', 'qualifier_name': 'cytology', 'is_major_topic': False}, {'descriptor_ui': 'D000458', 'descriptor_name': 'Cyanobacteria', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005288', 'descriptor_name': 'Ferredoxins', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D009584', 'descriptor_name': 'Nitrogen', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D009586', 'descriptor_name': 'Nitrogen Fixation', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D010088', 'descriptor_name': 'Oxidoreductases', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D010788', 'descriptor_name': 'Photosynthesis', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D013997', 'descriptor_name': 'Time Factors', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1038/newbio238219a0', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4210210546', 'display_name': 'Nature New Biology', 'issn_l': '0090-0028', 'issn': ['0090-0028', '2058-1092'], 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/P4310319908', 'host_organization_name': 'Nature Portfolio', 'host_organization_lineage': ['https://openalex.org/P4310319908', 'https://openalex.org/P4310319965'], 'host_organization_lineage_names': ['Nature Portfolio', 'Springer Nature'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/4626450', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 15, 'referenced_works': ['https://openalex.org/W1655318301', 'https://openalex.org/W1965318463', 'https://openalex.org/W1970229998', 'https://openalex.org/W1970975387', 'https://openalex.org/W1989227848', 'https://openalex.org/W1993150157', 'https://openalex.org/W2026266841', 'https://openalex.org/W2033932273', 'https://openalex.org/W2049976583', 'https://openalex.org/W2052740911', 'https://openalex.org/W2053150600', 'https://openalex.org/W2059673230', 'https://openalex.org/W2093474114', 'https://openalex.org/W2121766968', 'https://openalex.org/W2154028356'], 'related_works': ['https://openalex.org/W807164966', 'https://openalex.org/W4315709212', 'https://openalex.org/W2303517711', 'https://openalex.org/W2166148497', 'https://openalex.org/W2128898728', 'https://openalex.org/W2103763249', 'https://openalex.org/W2040047456', 'https://openalex.org/W1992358204', 'https://openalex.org/W1978449533', 'https://openalex.org/W1972082477'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1992358204', 'counts_by_year': [], 'updated_date': '2024-09-15T14:11:41.706707', 'created_date': '2016-06-24'}