Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2052716910', 'doi': 'https://doi.org/10.1055/s-2006-947184', 'title': 'Isolation and Antimalarial Activity of Alkaloids from<i>Pseudoxandra cuspidata</i>', 'display_name': 'Isolation and Antimalarial Activity of Alkaloids from<i>Pseudoxandra cuspidata</i>', 'publication_year': 2006, 'publication_date': '2006-08-01', 'ids': {'openalex': 'https://openalex.org/W2052716910', 'doi': 'https://doi.org/10.1055/s-2006-947184', 'mag': '2052716910', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/16902855'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1055/s-2006-947184', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S39653451', 'display_name': 'Planta Medica', 'issn_l': '0032-0943', 'issn': ['0032-0943', '1439-0221'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320000', 'host_organization_name': 'Thieme Medical Publishers (Germany)', 'host_organization_lineage': ['https://openalex.org/P4310320000'], 'host_organization_lineage_names': ['Thieme Medical Publishers (Germany)'], '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/A5019518473', 'display_name': 'Vincent Roumy', 'orcid': 'https://orcid.org/0000-0002-1402-3460'}, 'institutions': [{'id': 'https://openalex.org/I134560555', 'display_name': 'Université Toulouse III - Paul Sabatier', 'ror': 'https://ror.org/02v6kpv12', 'country_code': 'FR', 'type': 'education', 'lineage': ['https://openalex.org/I134560555']}, {'id': 'https://openalex.org/I4210166444', 'display_name': 'Institut de Recherche pour le Développement', 'ror': 'https://ror.org/05q3vnk25', 'country_code': 'FR', 'type': 'government', 'lineage': ['https://openalex.org/I2802818602', 'https://openalex.org/I4210090127', 'https://openalex.org/I4210131494', 'https://openalex.org/I4210166444']}, {'id': 'https://openalex.org/I4210140430', 'display_name': 'Pharmacochimie et Pharmacologie pour le Développement', 'ror': 'https://ror.org/03p7xrr08', 'country_code': 'FR', 'type': 'facility', 'lineage': ['https://openalex.org/I134560555', 'https://openalex.org/I2802818602', 'https://openalex.org/I4210090127', 'https://openalex.org/I4210131494', 'https://openalex.org/I4210140430', 'https://openalex.org/I4210166444']}], 'countries': ['FR'], 'is_corresponding': False, 'raw_author_name': 'Vincent Roumy', 'raw_affiliation_strings': ['Laboratoire Pharmacochimie des Substances Naturelles et Pharmacophores Redox, UMR 152 IRD, Université Toulouse 3 Paul Sabatier, Faculté des Sciences Pharmaceutiques, Toulouse, France'], 'affiliations': [{'raw_affiliation_string': 'Laboratoire Pharmacochimie des Substances Naturelles et Pharmacophores Redox, UMR 152 IRD, Université Toulouse 3 Paul Sabatier, Faculté des Sciences Pharmaceutiques, Toulouse, France', 'institution_ids': ['https://openalex.org/I134560555', 'https://openalex.org/I4210166444', 'https://openalex.org/I4210140430']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5057807574', 'display_name': 'Nicolás Fabre', 'orcid': 'https://orcid.org/0000-0001-5896-5700'}, 'institutions': [{'id': 'https://openalex.org/I134560555', 'display_name': 'Université Toulouse III - Paul Sabatier', 'ror': 'https://ror.org/02v6kpv12', 'country_code': 'FR', 'type': 'education', 'lineage': ['https://openalex.org/I134560555']}, {'id': 'https://openalex.org/I4210166444', 'display_name': 'Institut de Recherche pour le Développement', 'ror': 'https://ror.org/05q3vnk25', 'country_code': 'FR', 'type': 'government', 'lineage': ['https://openalex.org/I2802818602', 'https://openalex.org/I4210090127', 'https://openalex.org/I4210131494', 'https://openalex.org/I4210166444']}, {'id': 'https://openalex.org/I4210140430', 'display_name': 'Pharmacochimie et Pharmacologie pour le Développement', 'ror': 'https://ror.org/03p7xrr08', 'country_code': 'FR', 'type': 'facility', 'lineage': ['https://openalex.org/I134560555', 'https://openalex.org/I2802818602', 'https://openalex.org/I4210090127', 'https://openalex.org/I4210131494', 'https://openalex.org/I4210140430', 'https://openalex.org/I4210166444']}], 'countries': ['FR'], 'is_corresponding': False, 'raw_author_name': 'Nicolas Fabre', 'raw_affiliation_strings': ['Laboratoire Pharmacochimie des Substances Naturelles et Pharmacophores Redox, UMR 152 IRD, Université Toulouse 3 Paul Sabatier, Faculté des Sciences Pharmaceutiques, Toulouse, France'], 'affiliations': [{'raw_affiliation_string': 'Laboratoire Pharmacochimie des Substances Naturelles et Pharmacophores Redox, UMR 152 IRD, Université Toulouse 3 Paul Sabatier, Faculté des Sciences Pharmaceutiques, Toulouse, France', 'institution_ids': ['https://openalex.org/I134560555', 'https://openalex.org/I4210166444', 'https://openalex.org/I4210140430']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5042300671', 'display_name': 'Florence Souard', 'orcid': 'https://orcid.org/0000-0001-5881-0389'}, 'institutions': [{'id': 'https://openalex.org/I134560555', 'display_name': 'Université Toulouse III - Paul Sabatier', 'ror': 'https://ror.org/02v6kpv12', 'country_code': 'FR', 'type': 'education', 'lineage': ['https://openalex.org/I134560555']}, {'id': 'https://openalex.org/I4210166444', 'display_name': 'Institut de Recherche pour le Développement', 'ror': 'https://ror.org/05q3vnk25', 'country_code': 'FR', 'type': 'government', 'lineage': ['https://openalex.org/I2802818602', 'https://openalex.org/I4210090127', 'https://openalex.org/I4210131494', 'https://openalex.org/I4210166444']}, {'id': 'https://openalex.org/I4210140430', 'display_name': 'Pharmacochimie et Pharmacologie pour le Développement', 'ror': 'https://ror.org/03p7xrr08', 'country_code': 'FR', 'type': 'facility', 'lineage': ['https://openalex.org/I134560555', 'https://openalex.org/I2802818602', 'https://openalex.org/I4210090127', 'https://openalex.org/I4210131494', 'https://openalex.org/I4210140430', 'https://openalex.org/I4210166444']}], 'countries': ['FR'], 'is_corresponding': False, 'raw_author_name': 'Florence Souard', 'raw_affiliation_strings': ['Laboratoire Pharmacochimie des Substances Naturelles et Pharmacophores Redox, UMR 152 IRD, Université Toulouse 3 Paul Sabatier, Faculté des Sciences Pharmaceutiques, Toulouse, France'], 'affiliations': [{'raw_affiliation_string': 'Laboratoire Pharmacochimie des Substances Naturelles et Pharmacophores Redox, UMR 152 IRD, Université Toulouse 3 Paul Sabatier, Faculté des Sciences Pharmaceutiques, Toulouse, France', 'institution_ids': ['https://openalex.org/I134560555', 'https://openalex.org/I4210166444', 'https://openalex.org/I4210140430']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5018192186', 'display_name': 'Stéphane Massou', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I134560555', 'display_name': 'Université Toulouse III - Paul Sabatier', 'ror': 'https://ror.org/02v6kpv12', 'country_code': 'FR', 'type': 'education', 'lineage': ['https://openalex.org/I134560555']}], 'countries': ['FR'], 'is_corresponding': False, 'raw_author_name': 'Stéphane Massou', 'raw_affiliation_strings': ['Structure Fédérative Toulousaine en Chimie Moléculaire, FR 2599, Service de R.M.N., Université Toulouse 3 Paul Sabatier, Toulouse, France'], 'affiliations': [{'raw_affiliation_string': 'Structure Fédérative Toulousaine en Chimie Moléculaire, FR 2599, Service de R.M.N., Université Toulouse 3 Paul Sabatier, Toulouse, France', 'institution_ids': ['https://openalex.org/I134560555']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5000273281', 'display_name': 'Geneviève Bourdy', 'orcid': 'https://orcid.org/0000-0002-4973-8431'}, 'institutions': [{'id': 'https://openalex.org/I134560555', 'display_name': 'Université Toulouse III - Paul Sabatier', 'ror': 'https://ror.org/02v6kpv12', 'country_code': 'FR', 'type': 'education', 'lineage': ['https://openalex.org/I134560555']}, {'id': 'https://openalex.org/I4210166444', 'display_name': 'Institut de Recherche pour le Développement', 'ror': 'https://ror.org/05q3vnk25', 'country_code': 'FR', 'type': 'government', 'lineage': ['https://openalex.org/I2802818602', 'https://openalex.org/I4210090127', 'https://openalex.org/I4210131494', 'https://openalex.org/I4210166444']}, {'id': 'https://openalex.org/I4210140430', 'display_name': 'Pharmacochimie et Pharmacologie pour le Développement', 'ror': 'https://ror.org/03p7xrr08', 'country_code': 'FR', 'type': 'facility', 'lineage': ['https://openalex.org/I134560555', 'https://openalex.org/I2802818602', 'https://openalex.org/I4210090127', 'https://openalex.org/I4210131494', 'https://openalex.org/I4210140430', 'https://openalex.org/I4210166444']}], 'countries': ['FR'], 'is_corresponding': False, 'raw_author_name': 'Geneviève Bourdy', 'raw_affiliation_strings': ['Laboratoire Pharmacochimie des Substances Naturelles et Pharmacophores Redox, UMR 152 IRD, Université Toulouse 3 Paul Sabatier, Faculté des Sciences Pharmaceutiques, Toulouse, France'], 'affiliations': [{'raw_affiliation_string': 'Laboratoire Pharmacochimie des Substances Naturelles et Pharmacophores Redox, UMR 152 IRD, Université Toulouse 3 Paul Sabatier, Faculté des Sciences Pharmaceutiques, Toulouse, France', 'institution_ids': ['https://openalex.org/I134560555', 'https://openalex.org/I4210166444', 'https://openalex.org/I4210140430']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5022127759', 'display_name': 'Séverine Maurel', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210166444', 'display_name': 'Institut de Recherche pour le Développement', 'ror': 'https://ror.org/05q3vnk25', 'country_code': 'FR', 'type': 'government', 'lineage': ['https://openalex.org/I2802818602', 'https://openalex.org/I4210090127', 'https://openalex.org/I4210131494', 'https://openalex.org/I4210166444']}, {'id': 'https://openalex.org/I4210140430', 'display_name': 'Pharmacochimie et Pharmacologie pour le Développement', 'ror': 'https://ror.org/03p7xrr08', 'country_code': 'FR', 'type': 'facility', 'lineage': ['https://openalex.org/I134560555', 'https://openalex.org/I2802818602', 'https://openalex.org/I4210090127', 'https://openalex.org/I4210131494', 'https://openalex.org/I4210140430', 'https://openalex.org/I4210166444']}, {'id': 'https://openalex.org/I134560555', 'display_name': 'Université Toulouse III - Paul Sabatier', 'ror': 'https://ror.org/02v6kpv12', 'country_code': 'FR', 'type': 'education', 'lineage': ['https://openalex.org/I134560555']}], 'countries': ['FR'], 'is_corresponding': False, 'raw_author_name': 'Séverine Maurel', 'raw_affiliation_strings': ['Laboratoire Pharmacochimie des Substances Naturelles et Pharmacophores Redox, UMR 152 IRD, Université Toulouse 3 Paul Sabatier, Faculté des Sciences Pharmaceutiques, Toulouse, France'], 'affiliations': [{'raw_affiliation_string': 'Laboratoire Pharmacochimie des Substances Naturelles et Pharmacophores Redox, UMR 152 IRD, Université Toulouse 3 Paul Sabatier, Faculté des Sciences Pharmaceutiques, Toulouse, France', 'institution_ids': ['https://openalex.org/I4210166444', 'https://openalex.org/I4210140430', 'https://openalex.org/I134560555']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5038753195', 'display_name': 'Alan H. Fairlamb', 'orcid': 'https://orcid.org/0000-0002-2133-112X'}, 'institutions': [{'id': 'https://openalex.org/I134560555', 'display_name': 'Université Toulouse III - Paul Sabatier', 'ror': 'https://ror.org/02v6kpv12', 'country_code': 'FR', 'type': 'education', 'lineage': ['https://openalex.org/I134560555']}, {'id': 'https://openalex.org/I4210166444', 'display_name': 'Institut de Recherche pour le Développement', 'ror': 'https://ror.org/05q3vnk25', 'country_code': 'FR', 'type': 'government', 'lineage': ['https://openalex.org/I2802818602', 'https://openalex.org/I4210090127', 'https://openalex.org/I4210131494', 'https://openalex.org/I4210166444']}, {'id': 'https://openalex.org/I4210140430', 'display_name': 'Pharmacochimie et Pharmacologie pour le Développement', 'ror': 'https://ror.org/03p7xrr08', 'country_code': 'FR', 'type': 'facility', 'lineage': ['https://openalex.org/I134560555', 'https://openalex.org/I2802818602', 'https://openalex.org/I4210090127', 'https://openalex.org/I4210131494', 'https://openalex.org/I4210140430', 'https://openalex.org/I4210166444']}], 'countries': ['FR'], 'is_corresponding': False, 'raw_author_name': 'Alexis Valentin', 'raw_affiliation_strings': ['Laboratoire Pharmacochimie des Substances Naturelles et Pharmacophores Redox, UMR 152 IRD, Université Toulouse 3 Paul Sabatier, Faculté des Sciences Pharmaceutiques, Toulouse, France'], 'affiliations': [{'raw_affiliation_string': 'Laboratoire Pharmacochimie des Substances Naturelles et Pharmacophores Redox, UMR 152 IRD, Université Toulouse 3 Paul Sabatier, Faculté des Sciences Pharmaceutiques, Toulouse, France', 'institution_ids': ['https://openalex.org/I134560555', 'https://openalex.org/I4210166444', 'https://openalex.org/I4210140430']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5104830210', 'display_name': 'Claude Moulis', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I134560555', 'display_name': 'Université Toulouse III - Paul Sabatier', 'ror': 'https://ror.org/02v6kpv12', 'country_code': 'FR', 'type': 'education', 'lineage': ['https://openalex.org/I134560555']}, {'id': 'https://openalex.org/I4210166444', 'display_name': 'Institut de Recherche pour le Développement', 'ror': 'https://ror.org/05q3vnk25', 'country_code': 'FR', 'type': 'government', 'lineage': ['https://openalex.org/I2802818602', 'https://openalex.org/I4210090127', 'https://openalex.org/I4210131494', 'https://openalex.org/I4210166444']}, {'id': 'https://openalex.org/I4210140430', 'display_name': 'Pharmacochimie et Pharmacologie pour le Développement', 'ror': 'https://ror.org/03p7xrr08', 'country_code': 'FR', 'type': 'facility', 'lineage': ['https://openalex.org/I134560555', 'https://openalex.org/I2802818602', 'https://openalex.org/I4210090127', 'https://openalex.org/I4210131494', 'https://openalex.org/I4210140430', 'https://openalex.org/I4210166444']}], 'countries': ['FR'], 'is_corresponding': False, 'raw_author_name': 'Claude Moulis', 'raw_affiliation_strings': ['Laboratoire Pharmacochimie des Substances Naturelles et Pharmacophores Redox, UMR 152 IRD, Université Toulouse 3 Paul Sabatier, Faculté des Sciences Pharmaceutiques, Toulouse, France'], 'affiliations': [{'raw_affiliation_string': 'Laboratoire Pharmacochimie des Substances Naturelles et Pharmacophores Redox, UMR 152 IRD, Université Toulouse 3 Paul Sabatier, Faculté des Sciences Pharmaceutiques, Toulouse, France', 'institution_ids': ['https://openalex.org/I134560555', 'https://openalex.org/I4210166444', 'https://openalex.org/I4210140430']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 3, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.874, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 10, 'citation_normalized_percentile': {'value': 0.609763, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 82, 'max': 83}, 'biblio': {'volume': '72', 'issue': '10', 'first_page': '894', 'last_page': '898'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T12497', 'display_name': 'Biochemical Studies of Annonaceae Family Plants', 'score': 0.9943, 'subfield': {'id': 'https://openalex.org/subfields/1303', 'display_name': 'Biochemistry'}, 'field': {'id': 'https://openalex.org/fields/13', 'display_name': 'Biochemistry, Genetics and Molecular Biology'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}, 'topics': [{'id': 'https://openalex.org/T12497', 'display_name': 'Biochemical Studies of Annonaceae Family Plants', 'score': 0.9943, 'subfield': {'id': 'https://openalex.org/subfields/1303', 'display_name': 'Biochemistry'}, 'field': {'id': 'https://openalex.org/fields/13', 'display_name': 'Biochemistry, Genetics and Molecular Biology'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}, {'id': 'https://openalex.org/T13422', 'display_name': 'Research on Ficus carica and related species', 'score': 0.9672, 'subfield': {'id': 'https://openalex.org/subfields/1110', 'display_name': 'Plant Science'}, 'field': {'id': 'https://openalex.org/fields/11', 'display_name': 'Agricultural and Biological Sciences'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}, {'id': 'https://openalex.org/T10091', 'display_name': 'Malaria', 'score': 0.9421, 'subfield': {'id': 'https://openalex.org/subfields/2739', 'display_name': 'Public Health, Environmental and Occupational Health'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/benzylisoquinoline', 'display_name': 'Benzylisoquinoline', 'score': 0.6918925}, {'id': 'https://openalex.org/keywords/diastereomer', 'display_name': 'Diastereomer', 'score': 0.63400376}, {'id': 'https://openalex.org/keywords/ranunculaceae', 'display_name': 'Ranunculaceae', 'score': 0.6264213}, {'id': 'https://openalex.org/keywords/antimalarial-drugs', 'display_name': 'Antimalarial Drugs', 'score': 0.513003}, {'id': 'https://openalex.org/keywords/phenanthroindolizidine-alkaloids', 'display_name': 'phenanthroindolizidine alkaloids', 'score': 0.509761}], 'concepts': [{'id': 'https://openalex.org/C2777667214', 'wikidata': 'https://www.wikidata.org/wiki/Q70702', 'display_name': 'Alkaloid', 'level': 2, 'score': 0.7679211}, {'id': 'https://openalex.org/C133446333', 'wikidata': 'https://www.wikidata.org/wiki/Q38681', 'display_name': 'Bark (sound)', 'level': 2, 'score': 0.7433174}, {'id': 'https://openalex.org/C71240020', 'wikidata': 'https://www.wikidata.org/wiki/Q186011', 'display_name': 'Stereochemistry', 'level': 1, 'score': 0.71913826}, {'id': 'https://openalex.org/C2779733990', 'wikidata': 'https://www.wikidata.org/wiki/Q1770428', 'display_name': 'Benzylisoquinoline', 'level': 4, 'score': 0.6918925}, {'id': 'https://openalex.org/C138716334', 'wikidata': 'https://www.wikidata.org/wiki/Q268477', 'display_name': 'Diastereomer', 'level': 2, 'score': 0.63400376}, {'id': 'https://openalex.org/C2779411416', 'wikidata': 'https://www.wikidata.org/wiki/Q145869', 'display_name': 'Ranunculaceae', 'level': 2, 'score': 0.6264213}, {'id': 'https://openalex.org/C19549132', 'wikidata': 'https://www.wikidata.org/wiki/Q11141463', 'display_name': 'Two-dimensional nuclear magnetic resonance spectroscopy', 'level': 2, 'score': 0.5976191}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.47160277}, {'id': 'https://openalex.org/C2778371730', 'wikidata': 'https://www.wikidata.org/wiki/Q311383', 'display_name': 'Plasmodium falciparum', 'level': 3, 'score': 0.45845595}, {'id': 'https://openalex.org/C556039675', 'wikidata': 'https://www.wikidata.org/wiki/Q771035', 'display_name': 'Traditional medicine', 'level': 1, 'score': 0.42878738}, {'id': 'https://openalex.org/C59822182', 'wikidata': 'https://www.wikidata.org/wiki/Q441', 'display_name': 'Botany', 'level': 1, 'score': 0.27503407}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.25743714}, {'id': 'https://openalex.org/C178790620', 'wikidata': 'https://www.wikidata.org/wiki/Q11351', 'display_name': 'Organic chemistry', 'level': 1, 'score': 0.15982461}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.10098395}, {'id': 'https://openalex.org/C2778048844', 'wikidata': 'https://www.wikidata.org/wiki/Q12156', 'display_name': 'Malaria', 'level': 2, 'score': 0.09887722}, {'id': 'https://openalex.org/C18903297', 'wikidata': 'https://www.wikidata.org/wiki/Q7150', 'display_name': 'Ecology', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C553450214', 'wikidata': 'https://www.wikidata.org/wiki/Q851162', 'display_name': 'Biosynthesis', 'level': 3, 'score': 0.0}, {'id': 'https://openalex.org/C203014093', 'wikidata': 'https://www.wikidata.org/wiki/Q101929', 'display_name': 'Immunology', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C181199279', 'wikidata': 'https://www.wikidata.org/wiki/Q8047', 'display_name': 'Enzyme', 'level': 2, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D000470', 'descriptor_name': 'Alkaloids', 'qualifier_ui': 'Q000494', 'qualifier_name': 'pharmacology', 'is_major_topic': True}, {'descriptor_ui': 'D029061', 'descriptor_name': 'Annonaceae', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': True}, {'descriptor_ui': 'D000962', 'descriptor_name': 'Antimalarials', 'qualifier_ui': 'Q000494', 'qualifier_name': 'pharmacology', 'is_major_topic': True}, {'descriptor_ui': 'D000470', 'descriptor_name': 'Alkaloids', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000470', 'descriptor_name': 'Alkaloids', 'qualifier_ui': 'Q000302', 'qualifier_name': 'isolation & purification', 'is_major_topic': False}, {'descriptor_ui': 'D000470', 'descriptor_name': 'Alkaloids', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': False}, {'descriptor_ui': 'D000818', 'descriptor_name': 'Animals', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D029061', 'descriptor_name': 'Annonaceae', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000962', 'descriptor_name': 'Antimalarials', 'qualifier_ui': 'Q000302', 'qualifier_name': 'isolation & purification', 'is_major_topic': False}, {'descriptor_ui': 'D000962', 'descriptor_name': 'Antimalarials', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': False}, {'descriptor_ui': 'D000962', 'descriptor_name': 'Antimalarials', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D045744', 'descriptor_name': 'Cell Line, Tumor', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006801', 'descriptor_name': 'Humans', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D019906', 'descriptor_name': 'Nuclear Magnetic Resonance, Biomolecular', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D024301', 'descriptor_name': 'Plant Bark', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': False}, {'descriptor_ui': 'D024301', 'descriptor_name': 'Plant Bark', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D010963', 'descriptor_name': 'Plasmodium falciparum', 'qualifier_ui': 'Q000187', 'qualifier_name': 'drug effects', 'is_major_topic': False}, {'descriptor_ui': 'D010963', 'descriptor_name': 'Plasmodium falciparum', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D018675', 'descriptor_name': 'Toxicity Tests', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1055/s-2006-947184', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S39653451', 'display_name': 'Planta Medica', 'issn_l': '0032-0943', 'issn': ['0032-0943', '1439-0221'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320000', 'host_organization_name': 'Thieme Medical Publishers (Germany)', 'host_organization_lineage': ['https://openalex.org/P4310320000'], 'host_organization_lineage_names': ['Thieme Medical Publishers (Germany)'], '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/16902855', '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': [{'score': 0.8, 'display_name': 'Life below water', 'id': 'https://metadata.un.org/sdg/14'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W942995057', 'https://openalex.org/W4285098470', 'https://openalex.org/W4229059603', 'https://openalex.org/W3001712084', 'https://openalex.org/W2990811554', 'https://openalex.org/W2316729005', 'https://openalex.org/W2054155780', 'https://openalex.org/W2052716910', 'https://openalex.org/W2039534744', 'https://openalex.org/W1977434258'], 'abstract_inverted_index': {'A': [0], 'novel': [1], 'and': [2, 9, 27, 55], 'very': [3], 'unusual': [4], 'azaanthracene': [5], 'alkaloid,': [6], '1-aza-7,8,9,10-tetramethoxy-4-methyl-2-oxo-1,2-dihydroanthracene': [7], '(1)': [8], 'a': [10, 78], 'new': [11], 'diastereoisomer': [12], 'of': [13, 63], 'the': [14, 23, 60], 'bis-benzylisoquinoline': [15, 70], 'alkaloid': [16], 'rodiasine,': [17], '1S,1′R-rodiasine': [18, 71], '(2),': [19], 'as': [20, 22, 41], 'well': [21], 'alkaloids': [24], 'O-methylpunjabine': [25], '(3)': [26], 'O-methylmoschatoline': [28], '(4)': [29], 'have': [30], 'been': [31], 'isolated': [32], 'from': [33], 'Pseudoxandra': [34], 'cuspidata': [35], 'bark,': [36], 'used': [37], 'in': [38], 'French': [39], 'Guiana': [40], 'an': [42], 'antimalarial.': [43], 'Their': [44], 'structures': [45], 'were': [46], 'elucidated': [47], 'by': [48], 'spectroscopic': [49], 'analyses,': [50], 'especially': [51], '2D-NMR': [52], 'techniques': [53], '(ADEQUATE': [54], 'NOESY).': [56], 'We': [57], 'found': [58], 'that': [59], 'antimalarial': [61], 'activity': [62], 'this': [64], 'bark': [65], 'was': [66], 'mostly': [67], 'due': [68], 'to': [69], '(2)': [72], '(IC50=': [73], '1': [74], 'μM)': [75], 'also': [76], 'displaying': [77], 'low': [79], 'cytotoxicity.': [80]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2052716910', 'counts_by_year': [{'year': 2024, 'cited_by_count': 1}, {'year': 2023, 'cited_by_count': 1}, {'year': 2020, 'cited_by_count': 2}], 'updated_date': '2024-09-25T18:10:53.681793', 'created_date': '2016-06-24'}