Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1992803368', 'doi': 'https://doi.org/10.1016/j.jchromb.2009.07.006', 'title': 'Assessment of sampling strategies for gas chromatography–mass spectrometry (GC–MS) based metabolomics of cyanobacteria', 'display_name': 'Assessment of sampling strategies for gas chromatography–mass spectrometry (GC–MS) based metabolomics of cyanobacteria', 'publication_year': 2009, 'publication_date': '2009-07-11', 'ids': {'openalex': 'https://openalex.org/W1992803368', 'doi': 'https://doi.org/10.1016/j.jchromb.2009.07.006', 'mag': '1992803368', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/19631594'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/j.jchromb.2009.07.006', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S103248676', 'display_name': 'Journal of Chromatography B', 'issn_l': '1570-0232', 'issn': ['1570-0232', '1873-376X'], '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/A5003883122', 'display_name': 'Leonard Krall', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I149899117', 'display_name': 'Max Planck Society', 'ror': 'https://ror.org/01hhn8329', 'country_code': 'DE', 'type': 'nonprofit', 'lineage': ['https://openalex.org/I149899117']}, {'id': 'https://openalex.org/I4210105972', 'display_name': 'Max Planck Institute of Molecular Plant Physiology', 'ror': 'https://ror.org/01fbde567', 'country_code': 'DE', 'type': 'facility', 'lineage': ['https://openalex.org/I149899117', 'https://openalex.org/I4210105972']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'Leonard Krall', 'raw_affiliation_strings': ['Small Molecules, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society'], 'affiliations': [{'raw_affiliation_string': 'Small Molecules, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society', 'institution_ids': ['https://openalex.org/I149899117', 'https://openalex.org/I4210105972']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5004800476', 'display_name': 'Jan Huege', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210105972', 'display_name': 'Max Planck Institute of Molecular Plant Physiology', 'ror': 'https://ror.org/01fbde567', 'country_code': 'DE', 'type': 'facility', 'lineage': ['https://openalex.org/I149899117', 'https://openalex.org/I4210105972']}, {'id': 'https://openalex.org/I149899117', 'display_name': 'Max Planck Society', 'ror': 'https://ror.org/01hhn8329', 'country_code': 'DE', 'type': 'nonprofit', 'lineage': ['https://openalex.org/I149899117']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'Jan Huege', 'raw_affiliation_strings': ['Applied Metabolome Analysis, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society'], 'affiliations': [{'raw_affiliation_string': 'Applied Metabolome Analysis, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society', 'institution_ids': ['https://openalex.org/I4210105972', 'https://openalex.org/I149899117']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5010318054', 'display_name': 'Gareth Catchpole', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210105972', 'display_name': 'Max Planck Institute of Molecular Plant Physiology', 'ror': 'https://ror.org/01fbde567', 'country_code': 'DE', 'type': 'facility', 'lineage': ['https://openalex.org/I149899117', 'https://openalex.org/I4210105972']}, {'id': 'https://openalex.org/I149899117', 'display_name': 'Max Planck Society', 'ror': 'https://ror.org/01hhn8329', 'country_code': 'DE', 'type': 'nonprofit', 'lineage': ['https://openalex.org/I149899117']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'Gareth Catchpole', 'raw_affiliation_strings': ['Small Molecules, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society'], 'affiliations': [{'raw_affiliation_string': 'Small Molecules, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society', 'institution_ids': ['https://openalex.org/I4210105972', 'https://openalex.org/I149899117']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5080471555', 'display_name': 'Dirk Steinhauser', 'orcid': 'https://orcid.org/0000-0001-7792-2896'}, 'institutions': [{'id': 'https://openalex.org/I4210105972', 'display_name': 'Max Planck Institute of Molecular Plant Physiology', 'ror': 'https://ror.org/01fbde567', 'country_code': 'DE', 'type': 'facility', 'lineage': ['https://openalex.org/I149899117', 'https://openalex.org/I4210105972']}, {'id': 'https://openalex.org/I149899117', 'display_name': 'Max Planck Society', 'ror': 'https://ror.org/01hhn8329', 'country_code': 'DE', 'type': 'nonprofit', 'lineage': ['https://openalex.org/I149899117']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'Dirk Steinhauser', 'raw_affiliation_strings': ['Systems Metabolomics, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society'], 'affiliations': [{'raw_affiliation_string': 'Systems Metabolomics, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society', 'institution_ids': ['https://openalex.org/I4210105972', 'https://openalex.org/I149899117']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5077689736', 'display_name': 'Lothar Willmitzer', 'orcid': 'https://orcid.org/0000-0003-3297-825X'}, 'institutions': [{'id': 'https://openalex.org/I4210105972', 'display_name': 'Max Planck Institute of Molecular Plant Physiology', 'ror': 'https://ror.org/01fbde567', 'country_code': 'DE', 'type': 'facility', 'lineage': ['https://openalex.org/I149899117', 'https://openalex.org/I4210105972']}, {'id': 'https://openalex.org/I149899117', 'display_name': 'Max Planck Society', 'ror': 'https://ror.org/01hhn8329', 'country_code': 'DE', 'type': 'nonprofit', 'lineage': ['https://openalex.org/I149899117']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'Lothar Willmitzer', 'raw_affiliation_strings': ['Small Molecules, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society'], 'affiliations': [{'raw_affiliation_string': 'Small Molecules, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society', 'institution_ids': ['https://openalex.org/I4210105972', 'https://openalex.org/I149899117']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 2, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 3400, 'currency': 'USD', 'value_usd': 3400, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 2.923, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 73, 'citation_normalized_percentile': {'value': 0.86538, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 96, 'max': 97}, 'biblio': {'volume': '877', 'issue': '27', 'first_page': '2952', 'last_page': '2960'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10836', 'display_name': 'Metabolomics and Mass Spectrometry Studies', 'score': 0.9998, '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/T10836', 'display_name': 'Metabolomics and Mass Spectrometry Studies', 'score': 0.9998, '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/T11791', 'display_name': 'Microbial Community Ecology and Physiology', 'score': 0.9954, 'subfield': {'id': 'https://openalex.org/subfields/2303', 'display_name': 'Ecology'}, 'field': {'id': 'https://openalex.org/fields/23', 'display_name': 'Environmental Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T10236', 'display_name': 'Aquatic Ecosystems and Phytoplankton Dynamics', 'score': 0.9797, 'subfield': {'id': 'https://openalex.org/subfields/2304', 'display_name': 'Environmental Chemistry'}, '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/metabolome', 'display_name': 'Metabolome', 'score': 0.54067165}], 'concepts': [{'id': 'https://openalex.org/C21565614', 'wikidata': 'https://www.wikidata.org/wiki/Q12149006', 'display_name': 'Metabolomics', 'level': 2, 'score': 0.91361475}, {'id': 'https://openalex.org/C2779669040', 'wikidata': 'https://www.wikidata.org/wiki/Q93315', 'display_name': 'Cyanobacteria', 'level': 3, 'score': 0.79907006}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.73192376}, {'id': 'https://openalex.org/C2777477808', 'wikidata': 'https://www.wikidata.org/wiki/Q407595', 'display_name': 'Metabolite', 'level': 2, 'score': 0.71639574}, {'id': 'https://openalex.org/C43617362', 'wikidata': 'https://www.wikidata.org/wiki/Q170050', 'display_name': 'Chromatography', 'level': 1, 'score': 0.6494086}, {'id': 'https://openalex.org/C135870905', 'wikidata': 'https://www.wikidata.org/wiki/Q903667', 'display_name': 'Metabolome', 'level': 3, 'score': 0.54067165}, {'id': 'https://openalex.org/C205345274', 'wikidata': 'https://www.wikidata.org/wiki/Q873009', 'display_name': 'Gas chromatography–mass spectrometry', 'level': 3, 'score': 0.5198834}, {'id': 'https://openalex.org/C162356407', 'wikidata': 'https://www.wikidata.org/wiki/Q180809', 'display_name': 'Mass spectrometry', 'level': 2, 'score': 0.47163364}, {'id': 'https://openalex.org/C64489805', 'wikidata': 'https://www.wikidata.org/wiki/Q873864', 'display_name': 'Liquid chromatography–mass spectrometry', 'level': 3, 'score': 0.42095336}, {'id': 'https://openalex.org/C55493867', 'wikidata': 'https://www.wikidata.org/wiki/Q7094', 'display_name': 'Biochemistry', 'level': 1, 'score': 0.24111366}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.13626152}, {'id': 'https://openalex.org/C523546767', 'wikidata': 'https://www.wikidata.org/wiki/Q10876', 'display_name': 'Bacteria', 'level': 2, 'score': 0.09988597}, {'id': 'https://openalex.org/C54355233', 'wikidata': 'https://www.wikidata.org/wiki/Q7162', 'display_name': 'Genetics', 'level': 1, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D008401', 'descriptor_name': 'Gas Chromatography-Mass Spectrometry', 'qualifier_ui': 'Q000379', 'qualifier_name': 'methods', 'is_major_topic': True}, {'descriptor_ui': 'D055432', 'descriptor_name': 'Metabolomics', 'qualifier_ui': 'Q000379', 'qualifier_name': 'methods', 'is_major_topic': True}, {'descriptor_ui': 'D046937', 'descriptor_name': 'Nostoc', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': True}, {'descriptor_ui': 'D046939', 'descriptor_name': 'Synechocystis', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': True}, {'descriptor_ui': 'D002247', 'descriptor_name': 'Carbon Isotopes', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002498', 'descriptor_name': 'Centrifugation', 'qualifier_ui': 'Q000379', 'qualifier_name': 'methods', 'is_major_topic': False}, {'descriptor_ui': 'D002498', 'descriptor_name': 'Centrifugation', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D016000', 'descriptor_name': 'Cluster Analysis', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005374', 'descriptor_name': 'Filtration', 'qualifier_ui': 'Q000379', 'qualifier_name': 'methods', 'is_major_topic': False}, {'descriptor_ui': 'D005374', 'descriptor_name': 'Filtration', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008401', 'descriptor_name': 'Gas Chromatography-Mass Spectrometry', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D007553', 'descriptor_name': 'Isotope Labeling', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D055442', 'descriptor_name': 'Metabolome', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D055432', 'descriptor_name': 'Metabolomics', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D046937', 'descriptor_name': 'Nostoc', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D025341', 'descriptor_name': 'Principal Component Analysis', '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': 'D046939', 'descriptor_name': 'Synechocystis', '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.jchromb.2009.07.006', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S103248676', 'display_name': 'Journal of Chromatography B', 'issn_l': '1570-0232', 'issn': ['1570-0232', '1873-376X'], '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/19631594', '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, 'id': 'https://metadata.un.org/sdg/6', 'display_name': 'Clean water and sanitation'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 46, 'referenced_works': ['https://openalex.org/W1490314836', 'https://openalex.org/W1509926796', 'https://openalex.org/W1546962148', 'https://openalex.org/W1549912426', 'https://openalex.org/W1556581371', 'https://openalex.org/W171461912', 'https://openalex.org/W1966902043', 'https://openalex.org/W1975204049', 'https://openalex.org/W1984251609', 'https://openalex.org/W1990520393', 'https://openalex.org/W1994901323', 'https://openalex.org/W1996509535', 'https://openalex.org/W1997493743', 'https://openalex.org/W1999850786', 'https://openalex.org/W2001237138', 'https://openalex.org/W2006317824', 'https://openalex.org/W2012450576', 'https://openalex.org/W2013191289', 'https://openalex.org/W2028400128', 'https://openalex.org/W2028979517', 'https://openalex.org/W2044977893', 'https://openalex.org/W2053427298', 'https://openalex.org/W2054744694', 'https://openalex.org/W2057389251', 'https://openalex.org/W2058467542', 'https://openalex.org/W2060220140', 'https://openalex.org/W2080791625', 'https://openalex.org/W2086934275', 'https://openalex.org/W2101551644', 'https://openalex.org/W2115592362', 'https://openalex.org/W2119992992', 'https://openalex.org/W2122598723', 'https://openalex.org/W2124103764', 'https://openalex.org/W2129249398', 'https://openalex.org/W2135433724', 'https://openalex.org/W2136067601', 'https://openalex.org/W2140013686', 'https://openalex.org/W2151346683', 'https://openalex.org/W2162314707', 'https://openalex.org/W2164412968', 'https://openalex.org/W2167942713', 'https://openalex.org/W2169559175', 'https://openalex.org/W2172264830', 'https://openalex.org/W2186615884', 'https://openalex.org/W2289560945', 'https://openalex.org/W2317800347'], 'related_works': ['https://openalex.org/W4360613549', 'https://openalex.org/W4234699524', 'https://openalex.org/W3160482124', 'https://openalex.org/W3013031720', 'https://openalex.org/W2990543569', 'https://openalex.org/W2911724799', 'https://openalex.org/W2793664554', 'https://openalex.org/W2603291537', 'https://openalex.org/W2066440553', 'https://openalex.org/W2003174742'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1992803368', 'counts_by_year': [{'year': 2023, 'cited_by_count': 1}, {'year': 2022, 'cited_by_count': 2}, {'year': 2021, 'cited_by_count': 3}, {'year': 2020, 'cited_by_count': 2}, {'year': 2018, 'cited_by_count': 4}, {'year': 2017, 'cited_by_count': 8}, {'year': 2016, 'cited_by_count': 5}, {'year': 2015, 'cited_by_count': 6}, {'year': 2014, 'cited_by_count': 14}, {'year': 2013, 'cited_by_count': 5}, {'year': 2012, 'cited_by_count': 10}], 'updated_date': '2024-12-13T23:50:06.178362', 'created_date': '2016-06-24'}