Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2006097387', 'doi': 'https://doi.org/10.1002/jssc.200800644', 'title': 'Polymer monolith microextraction online coupled to hydrophilic interaction chromatography/mass spectrometry for analysis of β<sub>2</sub>‐agonist in human urine', 'display_name': 'Polymer monolith microextraction online coupled to hydrophilic interaction chromatography/mass spectrometry for analysis of β<sub>2</sub>‐agonist in human urine', 'publication_year': 2009, 'publication_date': '2009-05-28', 'ids': {'openalex': 'https://openalex.org/W2006097387', 'doi': 'https://doi.org/10.1002/jssc.200800644', 'mag': '2006097387', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/19479779'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1002/jssc.200800644', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S45406943', 'display_name': 'Journal of Separation Science', 'issn_l': '1615-9306', 'issn': ['1615-9306', '1615-9314'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], '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/A5109301334', 'display_name': 'Ming‐Ming Zheng', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I37461747', 'display_name': 'Wuhan University', 'ror': 'https://ror.org/033vjfk17', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I37461747']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Ming‐Ming Zheng', 'raw_affiliation_strings': ['Department of Chemistry, Wuhan University, Wuhan, P.R. China. Fax: +86-27-68755595'], 'affiliations': [{'raw_affiliation_string': 'Department of Chemistry, Wuhan University, Wuhan, P.R. China. Fax: +86-27-68755595', 'institution_ids': ['https://openalex.org/I37461747']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5088566307', 'display_name': 'Manyu Zhang', 'orcid': 'https://orcid.org/0000-0002-3203-4382'}, 'institutions': [{'id': 'https://openalex.org/I37461747', 'display_name': 'Wuhan University', 'ror': 'https://ror.org/033vjfk17', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I37461747']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Man‐Yu Zhang', 'raw_affiliation_strings': ['Department of Chemistry, Wuhan University, Wuhan, P.R. China. Fax: +86-27-68755595'], 'affiliations': [{'raw_affiliation_string': 'Department of Chemistry, Wuhan University, Wuhan, P.R. China. Fax: +86-27-68755595', 'institution_ids': ['https://openalex.org/I37461747']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5040331037', 'display_name': 'Yu‐Qi Feng', 'orcid': 'https://orcid.org/0000-0003-1107-5385'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Yu‐Qi Feng', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 3660, 'currency': 'USD', 'value_usd': 3660, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 3.221, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 32, 'citation_normalized_percentile': {'value': 0.674346, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 91, 'max': 92}, 'biblio': {'volume': '32', 'issue': '11', 'first_page': '1965', 'last_page': '1974'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10908', 'display_name': 'Analytical Chemistry and Chromatography', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/1607', 'display_name': 'Spectroscopy'}, 'field': {'id': 'https://openalex.org/fields/16', 'display_name': 'Chemistry'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10908', 'display_name': 'Analytical Chemistry and Chromatography', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/1607', 'display_name': 'Spectroscopy'}, '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/T13338', 'display_name': 'Pharmacological Effects and Assays', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/1103', 'display_name': 'Animal Science and Zoology'}, '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/T10683', 'display_name': 'Mass Spectrometry Techniques and Applications', 'score': 0.9997, 'subfield': {'id': 'https://openalex.org/subfields/1607', 'display_name': 'Spectroscopy'}, 'field': {'id': 'https://openalex.org/fields/16', 'display_name': 'Chemistry'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/monolith', 'display_name': 'Monolith', 'score': 0.90567666}, {'id': 'https://openalex.org/keywords/solid-phase-microextraction', 'display_name': 'Solid-Phase Microextraction', 'score': 0.48246887}], 'concepts': [{'id': 'https://openalex.org/C152815550', 'wikidata': 'https://www.wikidata.org/wiki/Q653208', 'display_name': 'Monolith', 'level': 3, 'score': 0.90567666}, {'id': 'https://openalex.org/C43617362', 'wikidata': 'https://www.wikidata.org/wiki/Q170050', 'display_name': 'Chromatography', 'level': 1, 'score': 0.7539414}, {'id': 'https://openalex.org/C162356407', 'wikidata': 'https://www.wikidata.org/wiki/Q180809', 'display_name': 'Mass spectrometry', 'level': 2, 'score': 0.71395737}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.6112227}, {'id': 'https://openalex.org/C2778533135', 'wikidata': 'https://www.wikidata.org/wiki/Q903970', 'display_name': 'Solid-phase microextraction', 'level': 4, 'score': 0.48246887}, {'id': 'https://openalex.org/C2780026642', 'wikidata': 'https://www.wikidata.org/wiki/Q40924', 'display_name': 'Urine', 'level': 2, 'score': 0.43223166}, {'id': 'https://openalex.org/C205345274', 'wikidata': 'https://www.wikidata.org/wiki/Q873009', 'display_name': 'Gas chromatography–mass spectrometry', 'level': 3, 'score': 0.3189977}, {'id': 'https://openalex.org/C178790620', 'wikidata': 'https://www.wikidata.org/wiki/Q11351', 'display_name': 'Organic chemistry', 'level': 1, 'score': 0.07707247}, {'id': 'https://openalex.org/C55493867', 'wikidata': 'https://www.wikidata.org/wiki/Q7094', 'display_name': 'Biochemistry', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C161790260', 'wikidata': 'https://www.wikidata.org/wiki/Q82264', 'display_name': 'Catalysis', 'level': 2, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D000318', 'descriptor_name': 'Adrenergic beta-Agonists', 'qualifier_ui': 'Q000652', 'qualifier_name': 'urine', 'is_major_topic': True}, {'descriptor_ui': 'D002853', 'descriptor_name': 'Chromatography, Liquid', 'qualifier_ui': 'Q000379', 'qualifier_name': 'methods', 'is_major_topic': True}, {'descriptor_ui': 'D005026', 'descriptor_name': 'Ethylene Glycols', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': True}, {'descriptor_ui': 'D013058', 'descriptor_name': 'Mass Spectrometry', 'qualifier_ui': 'Q000379', 'qualifier_name': 'methods', 'is_major_topic': True}, {'descriptor_ui': 'D008689', 'descriptor_name': 'Methacrylates', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': True}, {'descriptor_ui': 'D052617', 'descriptor_name': 'Solid Phase Microextraction', 'qualifier_ui': 'Q000379', 'qualifier_name': 'methods', 'is_major_topic': True}, {'descriptor_ui': 'D000318', 'descriptor_name': 'Adrenergic beta-Agonists', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002853', 'descriptor_name': 'Chromatography, Liquid', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002853', 'descriptor_name': 'Chromatography, Liquid', 'qualifier_ui': 'Q000295', 'qualifier_name': 'instrumentation', 'is_major_topic': False}, {'descriptor_ui': 'D005026', 'descriptor_name': 'Ethylene Glycols', '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': 'D006863', 'descriptor_name': 'Hydrogen-Ion Concentration', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D013058', 'descriptor_name': 'Mass Spectrometry', 'qualifier_ui': 'Q000295', 'qualifier_name': 'instrumentation', 'is_major_topic': False}, {'descriptor_ui': 'D013058', 'descriptor_name': 'Mass Spectrometry', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008689', 'descriptor_name': 'Methacrylates', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D015394', 'descriptor_name': 'Molecular Structure', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D009994', 'descriptor_name': 'Osmolar Concentration', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012680', 'descriptor_name': 'Sensitivity and Specificity', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012822', 'descriptor_name': 'Silicon Dioxide', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': False}, {'descriptor_ui': 'D012822', 'descriptor_name': 'Silicon Dioxide', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012965', 'descriptor_name': 'Sodium Chloride', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': False}, {'descriptor_ui': 'D012965', 'descriptor_name': 'Sodium Chloride', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D052617', 'descriptor_name': 'Solid Phase Microextraction', 'qualifier_ui': 'Q000295', 'qualifier_name': 'instrumentation', 'is_major_topic': False}, {'descriptor_ui': 'D052617', 'descriptor_name': 'Solid Phase Microextraction', '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/10.1002/jssc.200800644', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S45406943', 'display_name': 'Journal of Separation Science', 'issn_l': '1615-9306', 'issn': ['1615-9306', '1615-9314'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], '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/19479779', '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': [{'id': 'https://metadata.un.org/sdg/6', 'display_name': 'Clean water and sanitation', 'score': 0.77}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 30, 'referenced_works': ['https://openalex.org/W19162607', 'https://openalex.org/W1985206303', 'https://openalex.org/W1985287145', 'https://openalex.org/W1986922203', 'https://openalex.org/W1990627164', 'https://openalex.org/W1994861172', 'https://openalex.org/W1995711843', 'https://openalex.org/W2015422251', 'https://openalex.org/W2021021809', 'https://openalex.org/W2028635458', 'https://openalex.org/W2029828523', 'https://openalex.org/W2033517521', 'https://openalex.org/W2035995169', 'https://openalex.org/W2036336103', 'https://openalex.org/W2056309162', 'https://openalex.org/W2058005498', 'https://openalex.org/W2060406035', 'https://openalex.org/W2066442233', 'https://openalex.org/W2068696576', 'https://openalex.org/W2068922516', 'https://openalex.org/W2075270803', 'https://openalex.org/W2076763947', 'https://openalex.org/W2081126839', 'https://openalex.org/W2084007294', 'https://openalex.org/W2129265442', 'https://openalex.org/W2145600171', 'https://openalex.org/W2154689468', 'https://openalex.org/W2160575064', 'https://openalex.org/W2162275175', 'https://openalex.org/W2166607402'], 'related_works': ['https://openalex.org/W4247579110', 'https://openalex.org/W2779555475', 'https://openalex.org/W2597892862', 'https://openalex.org/W2391742894', 'https://openalex.org/W2384390492', 'https://openalex.org/W2359218246', 'https://openalex.org/W2331429111', 'https://openalex.org/W2296421307', 'https://openalex.org/W2276909329', 'https://openalex.org/W2085837717'], 'abstract_inverted_index': {'Abstract': [0], 'An': [1], 'analytical': [2], 'method': [3, 129, 153], 'based': [4], 'on': [5, 42], 'online': [6, 83], 'combination': [7], 'of': [8, 111, 121, 137, 151, 160, 168], 'polymer': [9], 'monolith': [10], 'microextraction': [11], '(PMME)': [12], 'technique': [13], 'with': [14, 25, 53, 184], 'hydrophilic': [15], 'interaction': [16], 'LC': [17, 107], '(HILIC)/MS': [18], 'is': [19], 'presented.': [20], 'The': [21, 127, 146, 166], 'extraction': [22, 112], 'was': [23, 39, 65, 79, 86, 102, 116, 130], 'performed': [24], 'a': [26, 43, 122], 'poly(methacrylic': [27], 'acid‐': [28], 'co': [29], '‐ethylene': [30], 'glycol': [31], 'dimethacrylate)': [32], 'monolithic': [33], 'column': [34, 46], 'while': [35], 'the': [36, 88, 119, 152], 'subsequent': [37], 'separation': [38, 98, 114], 'carried': [40], 'out': [41], 'Luna': [44], 'silica': [45], 'by': [47], 'HILIC.': [48], 'After': [49, 70], '1:1': [50], 'v/v': [51], 'dilution': [52], '20': [54], 'mM': [55], 'phosphate': [56], 'solution': [57], 'at': [58], 'pH': [59], '7.0': [60], 'and': [61, 113, 134], 'centrifugation,': [62], 'urine': [63, 177], 'sample': [64], 'directly': [66], 'used': [67, 80], 'for': [68, 81], 'extraction.': [69], 'optimization,': [71], '85%': [72], 'ACN': [73], '(containing': [74], '0.3%': [75], 'formic': [76], 'acid': [77], 'v/v)': [78], 'rapid': [82, 133], 'elution,': [84], 'which': [85], 'also': [87], 'mobile': [89], 'phase': [90], 'in': [91, 105, 124, 143, 164, 174], 'HILIC': [92], 'to': [93, 132, 156, 182], 'avoid': [94], 'band': [95], 'broadening': [96], 'during': [97], 'or': [99], 'carry‐over': [100], 'that': [101], 'usually': [103], 'observed': [104], 'PMME‐RP': [106], 'system.': [108], 'Online': [109], 'automation': [110], 'procedures': [115], 'realized': [117], 'under': [118], 'control': [120], 'program': [123], 'this': [125], 'study.': [126], 'developed': [128], 'applied': [131], 'sensitive': [135], 'monitoring': [136], 'three': [138, 169], 'β': [139, 161, 170], '2': [140, 162, 171], '‐agonist': [141], 'traces': [142], 'human': [144], 'urine.': [145, 165], 'LODs': [147], '(S/N': [148], '=': [149], '3)': [150], 'were': [154], 'found': [155], 'be': [157], '0.05–0.09': [158], 'ng/mL': [159], '‐agonists': [163, 172], 'recoveries': [167], 'spiked': [173], 'five': [175], 'different': [176], 'samples': [178], 'ranged': [179], 'from': [180], '79.8': [181], '119.8%,': [183], 'RSDs': [185], 'less': [186], 'than': [187], '18.0%.': [188]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2006097387', 'counts_by_year': [{'year': 2020, 'cited_by_count': 1}, {'year': 2015, 'cited_by_count': 2}, {'year': 2014, 'cited_by_count': 5}, {'year': 2013, 'cited_by_count': 4}, {'year': 2012, 'cited_by_count': 5}], 'updated_date': '2024-12-12T04:27:11.501012', 'created_date': '2016-06-24'}