Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2085426077', 'doi': 'https://doi.org/10.1016/j.jpba.2004.12.002', 'title': 'Simultaneous quantification of six major active saponins of Panax notoginseng by high-performance liquid chromatography-UV method', 'display_name': 'Simultaneous quantification of six major active saponins of Panax notoginseng by high-performance liquid chromatography-UV method', 'publication_year': 2005, 'publication_date': '2005-02-03', 'ids': {'openalex': 'https://openalex.org/W2085426077', 'doi': 'https://doi.org/10.1016/j.jpba.2004.12.002', 'mag': '2085426077', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/15907618'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/j.jpba.2004.12.002', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S174893293', 'display_name': 'Journal of Pharmaceutical and Biomedical Analysis', 'issn_l': '0731-7085', 'issn': ['0731-7085', '1873-264X'], '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', '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/A5016647580', 'display_name': 'Lie Li', 'orcid': 'https://orcid.org/0000-0003-1508-5484'}, 'institutions': [{'id': 'https://openalex.org/I20231570', 'display_name': 'Peking University', 'ror': 'https://ror.org/02v51f717', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I20231570']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Lie Li', 'raw_affiliation_strings': ['School of Pharmaceutical Sciences and Modern Research Center for Traditional Chinese Medicine, Peking University, No. 38 Xueyuan Road, Beijing 100083, PR China'], 'affiliations': [{'raw_affiliation_string': 'School of Pharmaceutical Sciences and Modern Research Center for Traditional Chinese Medicine, Peking University, No. 38 Xueyuan Road, Beijing 100083, PR China', 'institution_ids': ['https://openalex.org/I20231570']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5071138827', 'display_name': 'Jinlan Zhang', 'orcid': 'https://orcid.org/0000-0002-6125-7964'}, 'institutions': [{'id': 'https://openalex.org/I20231570', 'display_name': 'Peking University', 'ror': 'https://ror.org/02v51f717', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I20231570']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Jin-lan Zhang', 'raw_affiliation_strings': ['School of Pharmaceutical Sciences and Modern Research Center for Traditional Chinese Medicine, Peking University, No. 38 Xueyuan Road, Beijing 100083, PR China'], 'affiliations': [{'raw_affiliation_string': 'School of Pharmaceutical Sciences and Modern Research Center for Traditional Chinese Medicine, Peking University, No. 38 Xueyuan Road, Beijing 100083, PR China', 'institution_ids': ['https://openalex.org/I20231570']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5109314000', 'display_name': 'Yuxin Sheng', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I20231570', 'display_name': 'Peking University', 'ror': 'https://ror.org/02v51f717', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I20231570']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Yu-xin Sheng', 'raw_affiliation_strings': ['School of Pharmaceutical Sciences and Modern Research Center for Traditional Chinese Medicine, Peking University, No. 38 Xueyuan Road, Beijing 100083, PR China'], 'affiliations': [{'raw_affiliation_string': 'School of Pharmaceutical Sciences and Modern Research Center for Traditional Chinese Medicine, Peking University, No. 38 Xueyuan Road, Beijing 100083, PR China', 'institution_ids': ['https://openalex.org/I20231570']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5037644295', 'display_name': 'De‐an Guo', 'orcid': 'https://orcid.org/0000-0003-0223-9448'}, 'institutions': [{'id': 'https://openalex.org/I20231570', 'display_name': 'Peking University', 'ror': 'https://ror.org/02v51f717', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I20231570']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'De-an Guo', 'raw_affiliation_strings': ['School of Pharmaceutical Sciences and Modern Research Center for Traditional Chinese Medicine, Peking University, No. 38 Xueyuan Road, Beijing 100083, PR China'], 'affiliations': [{'raw_affiliation_string': 'School of Pharmaceutical Sciences and Modern Research Center for Traditional Chinese Medicine, Peking University, No. 38 Xueyuan Road, Beijing 100083, PR China', 'institution_ids': ['https://openalex.org/I20231570']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5100442072', 'display_name': 'Qiao Wang', 'orcid': 'https://orcid.org/0000-0001-6416-1733'}, 'institutions': [{'id': 'https://openalex.org/I20231570', 'display_name': 'Peking University', 'ror': 'https://ror.org/02v51f717', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I20231570']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Qiao Wang', 'raw_affiliation_strings': ['School of Pharmaceutical Sciences and Modern Research Center for Traditional Chinese Medicine, Peking University, No. 38 Xueyuan Road, Beijing 100083, PR China'], 'affiliations': [{'raw_affiliation_string': 'School of Pharmaceutical Sciences and Modern Research Center for Traditional Chinese Medicine, Peking University, No. 38 Xueyuan Road, Beijing 100083, PR China', 'institution_ids': ['https://openalex.org/I20231570']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5111759317', 'display_name': 'Hongzhu Guo', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I20231570', 'display_name': 'Peking University', 'ror': 'https://ror.org/02v51f717', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I20231570']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Hong-zhu Guo', 'raw_affiliation_strings': ['School of Pharmaceutical Sciences and Modern Research Center for Traditional Chinese Medicine, Peking University, No. 38 Xueyuan Road, Beijing 100083, PR China'], 'affiliations': [{'raw_affiliation_string': 'School of Pharmaceutical Sciences and Modern Research Center for Traditional Chinese Medicine, Peking University, No. 38 Xueyuan Road, Beijing 100083, PR China', 'institution_ids': ['https://openalex.org/I20231570']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 3500, 'currency': 'USD', 'value_usd': 3500, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 4.337, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 102, 'citation_normalized_percentile': {'value': 0.880164, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 96, 'max': 97}, 'biblio': {'volume': '38', 'issue': '1', 'first_page': '45', 'last_page': '51'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11889', 'display_name': 'Ginseng Biological Effects and Applications', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/1312', 'display_name': 'Molecular Biology'}, '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/T11889', 'display_name': 'Ginseng Biological Effects and Applications', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/1312', 'display_name': 'Molecular Biology'}, '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/T11385', 'display_name': 'Natural product bioactivities and synthesis', 'score': 0.9906, 'subfield': {'id': 'https://openalex.org/subfields/1312', 'display_name': 'Molecular Biology'}, '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/T12817', 'display_name': 'Pharmacological Effects of Natural Compounds', 'score': 0.988, 'subfield': {'id': 'https://openalex.org/subfields/3004', 'display_name': 'Pharmacology'}, 'field': {'id': 'https://openalex.org/fields/30', 'display_name': 'Pharmacology, Toxicology and Pharmaceutics'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/panax-notoginseng', 'display_name': 'Panax notoginseng', 'score': 0.9270136}, {'id': 'https://openalex.org/keywords/gradient-elution', 'display_name': 'Gradient elution', 'score': 0.6549609}, {'id': 'https://openalex.org/keywords/quantitative-analysis', 'display_name': 'Quantitative Analysis', 'score': 0.43543047}], 'concepts': [{'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.93714374}, {'id': 'https://openalex.org/C2781212864', 'wikidata': 'https://www.wikidata.org/wiki/Q15551438', 'display_name': 'Panax notoginseng', 'level': 3, 'score': 0.9270136}, {'id': 'https://openalex.org/C43617362', 'wikidata': 'https://www.wikidata.org/wiki/Q170050', 'display_name': 'Chromatography', 'level': 1, 'score': 0.9209946}, {'id': 'https://openalex.org/C179998833', 'wikidata': 'https://www.wikidata.org/wiki/Q381233', 'display_name': 'High-performance liquid chromatography', 'level': 2, 'score': 0.8245983}, {'id': 'https://openalex.org/C2777379063', 'wikidata': 'https://www.wikidata.org/wiki/Q161233', 'display_name': 'Formic acid', 'level': 2, 'score': 0.6842172}, {'id': 'https://openalex.org/C3017686574', 'wikidata': 'https://www.wikidata.org/wiki/Q381233', 'display_name': 'Gradient elution', 'level': 3, 'score': 0.6549609}, {'id': 'https://openalex.org/C2778564307', 'wikidata': 'https://www.wikidata.org/wiki/Q207653', 'display_name': 'Saponin', 'level': 3, 'score': 0.5001488}, {'id': 'https://openalex.org/C2776539398', 'wikidata': 'https://www.wikidata.org/wiki/Q59662497', 'display_name': 'Ginsenoside', 'level': 4, 'score': 0.46031687}, {'id': 'https://openalex.org/C2777463227', 'wikidata': 'https://www.wikidata.org/wiki/Q408047', 'display_name': 'Acetonitrile', 'level': 2, 'score': 0.4555004}, {'id': 'https://openalex.org/C95986675', 'wikidata': 'https://www.wikidata.org/wiki/Q185168', 'display_name': 'Quantitative analysis (chemistry)', 'level': 2, 'score': 0.43543047}, {'id': 'https://openalex.org/C9893847', 'wikidata': 'https://www.wikidata.org/wiki/Q1425625', 'display_name': 'Reproducibility', 'level': 2, 'score': 0.42900157}, {'id': 'https://openalex.org/C73826308', 'wikidata': 'https://www.wikidata.org/wiki/Q684907', 'display_name': 'Elution', 'level': 2, 'score': 0.42370903}, {'id': 'https://openalex.org/C2779232237', 'wikidata': 'https://www.wikidata.org/wiki/Q20817212', 'display_name': 'Ginseng', 'level': 3, 'score': 0.14814526}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C204787440', 'wikidata': 'https://www.wikidata.org/wiki/Q188504', 'display_name': 'Alternative medicine', 'level': 2, 'score': 0.0}, {'id': 'https://openalex.org/C142724271', 'wikidata': 'https://www.wikidata.org/wiki/Q7208', 'display_name': 'Pathology', 'level': 1, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D002851', 'descriptor_name': 'Chromatography, High Pressure Liquid', 'qualifier_ui': 'Q000379', 'qualifier_name': 'methods', 'is_major_topic': True}, {'descriptor_ui': 'D005894', 'descriptor_name': 'Panax', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': True}, {'descriptor_ui': 'D012503', 'descriptor_name': 'Saponins', 'qualifier_ui': 'Q000032', 'qualifier_name': 'analysis', 'is_major_topic': True}, {'descriptor_ui': 'D013056', 'descriptor_name': 'Spectrophotometry, Ultraviolet', 'qualifier_ui': 'Q000379', 'qualifier_name': 'methods', 'is_major_topic': True}, {'descriptor_ui': 'D002138', 'descriptor_name': 'Calibration', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002851', 'descriptor_name': 'Chromatography, High Pressure Liquid', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005894', 'descriptor_name': 'Panax', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012015', 'descriptor_name': 'Reference Standards', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D015203', 'descriptor_name': 'Reproducibility of Results', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012503', 'descriptor_name': 'Saponins', 'qualifier_ui': 'Q000145', 'qualifier_name': 'classification', 'is_major_topic': False}, {'descriptor_ui': 'D012503', 'descriptor_name': 'Saponins', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D013056', 'descriptor_name': 'Spectrophotometry, Ultraviolet', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/j.jpba.2004.12.002', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S174893293', 'display_name': 'Journal of Pharmaceutical and Biomedical Analysis', 'issn_l': '0731-7085', 'issn': ['0731-7085', '1873-264X'], '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}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/15907618', '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': 10, 'referenced_works': ['https://openalex.org/W110041796', 'https://openalex.org/W1480348077', 'https://openalex.org/W1983877381', 'https://openalex.org/W1992467575', 'https://openalex.org/W2008137132', 'https://openalex.org/W2020349395', 'https://openalex.org/W2030451485', 'https://openalex.org/W2036231707', 'https://openalex.org/W2048392998', 'https://openalex.org/W2112797916'], 'related_works': ['https://openalex.org/W2800210563', 'https://openalex.org/W2370035538', 'https://openalex.org/W2119552130', 'https://openalex.org/W2094532952', 'https://openalex.org/W2085426077', 'https://openalex.org/W2073620735', 'https://openalex.org/W2043863063', 'https://openalex.org/W2043512602', 'https://openalex.org/W1987855345', 'https://openalex.org/W1986902432'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2085426077', 'counts_by_year': [{'year': 2023, 'cited_by_count': 1}, {'year': 2021, 'cited_by_count': 1}, {'year': 2020, 'cited_by_count': 1}, {'year': 2019, 'cited_by_count': 3}, {'year': 2018, 'cited_by_count': 3}, {'year': 2017, 'cited_by_count': 8}, {'year': 2016, 'cited_by_count': 8}, {'year': 2015, 'cited_by_count': 5}, {'year': 2014, 'cited_by_count': 3}, {'year': 2013, 'cited_by_count': 7}, {'year': 2012, 'cited_by_count': 8}], 'updated_date': '2024-12-16T08:33:22.795152', 'created_date': '2016-06-24'}