Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W4283750248', 'doi': 'https://doi.org/10.26434/chemrxiv-2022-spw0d-v3', 'title': 'Absence of Relevant Thermal Conversion of Cannabidiol (CBD) to Tetrahydrocannabinol (THC) in E-Cigarette Vapor and Low-THC Cannabis Smoke', 'display_name': 'Absence of Relevant Thermal Conversion of Cannabidiol (CBD) to Tetrahydrocannabinol (THC) in E-Cigarette Vapor and Low-THC Cannabis Smoke', 'publication_year': 2022, 'publication_date': '2022-06-30', 'ids': {'openalex': 'https://openalex.org/W4283750248', 'doi': 'https://doi.org/10.26434/chemrxiv-2022-spw0d-v3'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.26434/chemrxiv-2022-spw0d-v3', 'pdf_url': 'https://chemrxiv.org/engage/api-gateway/chemrxiv/assets/orp/resource/item/62bc314613b85bbdde38360f/original/absence-of-relevant-thermal-conversion-of-cannabidiol-cbd-to-tetrahydrocannabinol-thc-in-e-cigarette-vapor-and-low-thc-cannabis-smoke.pdf', 'source': None, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, 'type': 'preprint', 'type_crossref': 'posted-content', 'indexed_in': ['crossref'], 'open_access': {'is_oa': True, 'oa_status': 'green', 'oa_url': 'https://chemrxiv.org/engage/api-gateway/chemrxiv/assets/orp/resource/item/62bc314613b85bbdde38360f/original/absence-of-relevant-thermal-conversion-of-cannabidiol-cbd-to-tetrahydrocannabinol-thc-in-e-cigarette-vapor-and-low-thc-cannabis-smoke.pdf', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5036553852', 'display_name': 'Pascal Hindelang', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210142932', 'display_name': 'Chemisches und Veterinäruntersuchungsamt Karlsruhe', 'ror': 'https://ror.org/052qdba82', 'country_code': 'DE', 'type': 'other', 'lineage': ['https://openalex.org/I4210142932']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'Pascal Hindelang', 'raw_affiliation_strings': ['Chemisches und Veterinäruntersuchungsamt Karlsruhe'], 'affiliations': [{'raw_affiliation_string': 'Chemisches und Veterinäruntersuchungsamt Karlsruhe', 'institution_ids': ['https://openalex.org/I4210142932']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5055649997', 'display_name': 'Andreas Scharinger', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210142932', 'display_name': 'Chemisches und Veterinäruntersuchungsamt Karlsruhe', 'ror': 'https://ror.org/052qdba82', 'country_code': 'DE', 'type': 'other', 'lineage': ['https://openalex.org/I4210142932']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'Andreas Scharinger', 'raw_affiliation_strings': ['Chemisches und Veterinäruntersuchungsamt Karlsruhe'], 'affiliations': [{'raw_affiliation_string': 'Chemisches und Veterinäruntersuchungsamt Karlsruhe', 'institution_ids': ['https://openalex.org/I4210142932']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5069017217', 'display_name': 'Patricia Golombek', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210142932', 'display_name': 'Chemisches und Veterinäruntersuchungsamt Karlsruhe', 'ror': 'https://ror.org/052qdba82', 'country_code': 'DE', 'type': 'other', 'lineage': ['https://openalex.org/I4210142932']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'Patricia Golombek', 'raw_affiliation_strings': ['Chemisches und Veterinäruntersuchungsamt Karlsruhe'], 'affiliations': [{'raw_affiliation_string': 'Chemisches und Veterinäruntersuchungsamt Karlsruhe', 'institution_ids': ['https://openalex.org/I4210142932']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5071118517', 'display_name': 'Miriam Laible', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4396570479', 'display_name': 'Chemisches und Veterinäruntersuchungsamt Sigmaringen', 'ror': 'https://ror.org/021wda575', 'country_code': None, 'type': 'government', 'lineage': ['https://openalex.org/I4396570479', 'https://openalex.org/I4396570664']}, {'id': 'https://openalex.org/I4210144619', 'display_name': 'Chemisches und Veterinäruntersuchungsamt Stuttgart', 'ror': 'https://ror.org/049waqj15', 'country_code': 'DE', 'type': 'facility', 'lineage': ['https://openalex.org/I4210144619']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'Miriam Laible', 'raw_affiliation_strings': ['Chemisches und Veterinäruntersuchungsamt Sigmaringen'], 'affiliations': [{'raw_affiliation_string': 'Chemisches und Veterinäruntersuchungsamt Sigmaringen', 'institution_ids': ['https://openalex.org/I4396570479', 'https://openalex.org/I4210144619']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5001512140', 'display_name': 'Sandra Tamosaite', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4396570479', 'display_name': 'Chemisches und Veterinäruntersuchungsamt Sigmaringen', 'ror': 'https://ror.org/021wda575', 'country_code': None, 'type': 'government', 'lineage': ['https://openalex.org/I4396570479', 'https://openalex.org/I4396570664']}, {'id': 'https://openalex.org/I4210144619', 'display_name': 'Chemisches und Veterinäruntersuchungsamt Stuttgart', 'ror': 'https://ror.org/049waqj15', 'country_code': 'DE', 'type': 'facility', 'lineage': ['https://openalex.org/I4210144619']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'Sandra Tamosaite', 'raw_affiliation_strings': ['Chemisches und Veterinäruntersuchungsamt Sigmaringen'], 'affiliations': [{'raw_affiliation_string': 'Chemisches und Veterinäruntersuchungsamt Sigmaringen', 'institution_ids': ['https://openalex.org/I4396570479', 'https://openalex.org/I4210144619']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5011523271', 'display_name': 'Stephan G. Walch', 'orcid': 'https://orcid.org/0000-0002-7511-7647'}, 'institutions': [{'id': 'https://openalex.org/I4210142932', 'display_name': 'Chemisches und Veterinäruntersuchungsamt Karlsruhe', 'ror': 'https://ror.org/052qdba82', 'country_code': 'DE', 'type': 'other', 'lineage': ['https://openalex.org/I4210142932']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'Stephan G. Walch', 'raw_affiliation_strings': ['Chemisches und Veterinäruntersuchungsamt Karlsruhe'], 'affiliations': [{'raw_affiliation_string': 'Chemisches und Veterinäruntersuchungsamt Karlsruhe', 'institution_ids': ['https://openalex.org/I4210142932']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5019607152', 'display_name': 'Dirk W. Lachenmeier', 'orcid': 'https://orcid.org/0000-0002-3115-864X'}, 'institutions': [{'id': 'https://openalex.org/I4210142932', 'display_name': 'Chemisches und Veterinäruntersuchungsamt Karlsruhe', 'ror': 'https://ror.org/052qdba82', 'country_code': 'DE', 'type': 'other', 'lineage': ['https://openalex.org/I4210142932']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'Dirk W. Lachenmeier', 'raw_affiliation_strings': ['Chemisches und Veterinäruntersuchungsamt Karlsruhe'], 'affiliations': [{'raw_affiliation_string': 'Chemisches und Veterinäruntersuchungsamt Karlsruhe', 'institution_ids': ['https://openalex.org/I4210142932']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 3, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': None, 'has_fulltext': True, 'fulltext_origin': 'pdf', 'cited_by_count': 0, 'citation_normalized_percentile': {'value': 0.0, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 0, 'max': 60}, 'biblio': {'volume': None, 'issue': None, 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10414', 'display_name': 'Cannabis and Cannabinoid Research', 'score': 0.9994, 'subfield': {'id': 'https://openalex.org/subfields/2736', 'display_name': 'Pharmacology'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10414', 'display_name': 'Cannabis and Cannabinoid Research', 'score': 0.9994, 'subfield': {'id': 'https://openalex.org/subfields/2736', 'display_name': 'Pharmacology'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, {'id': 'https://openalex.org/T11264', 'display_name': 'Coffee research and impacts', 'score': 0.9145, 'subfield': {'id': 'https://openalex.org/subfields/2736', 'display_name': 'Pharmacology'}, '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/tetrahydrocannabinol', 'display_name': 'Tetrahydrocannabinol', 'score': 0.660219}, {'id': 'https://openalex.org/keywords/electronic-cigarette', 'display_name': 'Electronic cigarette', 'score': 0.5598936}, {'id': 'https://openalex.org/keywords/dronabinol', 'display_name': 'Dronabinol', 'score': 0.49616846}, {'id': 'https://openalex.org/keywords/cannabinol', 'display_name': 'Cannabinol', 'score': 0.41847154}], 'concepts': [{'id': 'https://openalex.org/C2776895053', 'wikidata': 'https://www.wikidata.org/wiki/Q422917', 'display_name': 'Cannabidiol', 'level': 3, 'score': 0.98688823}, {'id': 'https://openalex.org/C2777056318', 'wikidata': 'https://www.wikidata.org/wiki/Q79817', 'display_name': 'Cannabis', 'level': 2, 'score': 0.8141843}, {'id': 'https://openalex.org/C58874564', 'wikidata': 'https://www.wikidata.org/wiki/Q130768', 'display_name': 'Smoke', 'level': 2, 'score': 0.73766613}, {'id': 'https://openalex.org/C2778563155', 'wikidata': 'https://www.wikidata.org/wiki/Q190067', 'display_name': 'Tetrahydrocannabinol', 'level': 4, 'score': 0.660219}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.61057705}, {'id': 'https://openalex.org/C2776970978', 'wikidata': 'https://www.wikidata.org/wiki/Q189511', 'display_name': 'Electronic cigarette', 'level': 2, 'score': 0.5598936}, {'id': 'https://openalex.org/C2908858883', 'wikidata': 'https://www.wikidata.org/wiki/Q2705066', 'display_name': 'Dronabinol', 'level': 4, 'score': 0.49616846}, {'id': 'https://openalex.org/C205345274', 'wikidata': 'https://www.wikidata.org/wiki/Q873009', 'display_name': 'Gas chromatography–mass spectrometry', 'level': 3, 'score': 0.43670535}, {'id': 'https://openalex.org/C2781090866', 'wikidata': 'https://www.wikidata.org/wiki/Q265831', 'display_name': 'Cannabinol', 'level': 4, 'score': 0.41847154}, {'id': 'https://openalex.org/C162356407', 'wikidata': 'https://www.wikidata.org/wiki/Q180809', 'display_name': 'Mass spectrometry', 'level': 2, 'score': 0.4054522}, {'id': 'https://openalex.org/C43617362', 'wikidata': 'https://www.wikidata.org/wiki/Q170050', 'display_name': 'Chromatography', 'level': 1, 'score': 0.31920016}, {'id': 'https://openalex.org/C2780871563', 'wikidata': 'https://www.wikidata.org/wiki/Q422936', 'display_name': 'Cannabinoid', 'level': 3, 'score': 0.22994635}, {'id': 'https://openalex.org/C178790620', 'wikidata': 'https://www.wikidata.org/wiki/Q11351', 'display_name': 'Organic chemistry', 'level': 1, 'score': 0.14428431}, {'id': 'https://openalex.org/C71924100', 'wikidata': 'https://www.wikidata.org/wiki/Q11190', 'display_name': 'Medicine', 'level': 0, 'score': 0.110476285}, {'id': 'https://openalex.org/C118552586', 'wikidata': 'https://www.wikidata.org/wiki/Q7867', 'display_name': 'Psychiatry', 'level': 1, 'score': 0.09595016}, {'id': 'https://openalex.org/C55493867', 'wikidata': 'https://www.wikidata.org/wiki/Q7094', 'display_name': 'Biochemistry', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C170493617', 'wikidata': 'https://www.wikidata.org/wiki/Q208467', 'display_name': 'Receptor', 'level': 2, 'score': 0.0}], 'mesh': [], 'locations_count': 2, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.26434/chemrxiv-2022-spw0d-v3', 'pdf_url': 'https://chemrxiv.org/engage/api-gateway/chemrxiv/assets/orp/resource/item/62bc314613b85bbdde38360f/original/absence-of-relevant-thermal-conversion-of-cannabidiol-cbd-to-tetrahydrocannabinol-thc-in-e-cigarette-vapor-and-low-thc-cannabis-smoke.pdf', 'source': None, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1089/can.2022.0163', 'pdf_url': None, 'source': None, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.26434/chemrxiv-2022-spw0d-v3', 'pdf_url': 'https://chemrxiv.org/engage/api-gateway/chemrxiv/assets/orp/resource/item/62bc314613b85bbdde38360f/original/absence-of-relevant-thermal-conversion-of-cannabidiol-cbd-to-tetrahydrocannabinol-thc-in-e-cigarette-vapor-and-low-thc-cannabis-smoke.pdf', 'source': None, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, 'sustainable_development_goals': [{'display_name': 'Good health and well-being', 'score': 0.87, 'id': 'https://metadata.un.org/sdg/3'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 11, 'referenced_works': ['https://openalex.org/W2137006494', 'https://openalex.org/W2594514058', 'https://openalex.org/W3005027019', 'https://openalex.org/W3033126749', 'https://openalex.org/W3047266016', 'https://openalex.org/W3108259929', 'https://openalex.org/W3157684853', 'https://openalex.org/W3164668233', 'https://openalex.org/W3171930427', 'https://openalex.org/W3203737181', 'https://openalex.org/W4210645238'], 'related_works': ['https://openalex.org/W4297460069', 'https://openalex.org/W4289884196', 'https://openalex.org/W4283750248', 'https://openalex.org/W4283706984', 'https://openalex.org/W4229029338', 'https://openalex.org/W3176095463', 'https://openalex.org/W2186392946', 'https://openalex.org/W2169462011', 'https://openalex.org/W2111036501', 'https://openalex.org/W2004420564'], 'abstract_inverted_index': {'Introduction:': [0], 'Recent': [1], 'research': [2], 'claimed': [3], 'that': [4], 'cannabidiol': [5], '(CBD)': [6], 'in': [7, 119, 151, 197, 207], 'commercial': [8], 'electronic': [9, 181], 'cigarette': [10], '(e-cigarette)': [11], 'liquids': [12, 179], 'can': [13, 191], 'be': [14, 123, 172, 192], 'converted': [15], 'into': [16], 'psychotropic': [17, 208], 'amounts': [18], 'of': [19, 47, 63, 78, 131, 145, 160, 165, 177], '∆9-tetrahydrocannabinol': [20], '(THC).': [21], 'This': [22], 'study': [23, 36], 'aims': [24], 'to': [25, 90, 167, 171, 203], 'validate': [26], 'this': [27, 35], 'claim': [28], 'by': [29, 194, 212], 'a': [30, 41, 85], 'realistic': [31, 158], 'e-cigarette': [32, 60, 115], 'setup.': [33], 'Additionally,': [34], 'also': [37], 'investigates': [38], 'if': [39], 'such': [40], 'conversion': [42, 164], 'may': [43], 'occur': [44], 'during': [45, 210], 'smoking': [46, 87, 190], 'CBD-rich': [48], 'cannabis': [49, 187], 'joints.': [50], 'Methods:': [51], 'Two': [52], 'different': [53, 59], 'CBD-liquids': [54], 'were': [55, 94, 139], 'vaporized': [56], 'using': [57, 84, 96], 'two': [58], 'models,': [61], 'one': [62], 'which': [64], 'was': [65, 82, 133], 'operated': [66], 'at': [67], 'extreme': [68], 'energy': [69], 'settings': [70], '(0.2': [71], 'Ω': [72], 'and': [73, 143], '200': [74], 'W).': [75], 'The': [76, 135, 174], 'smoke': [77], 'six': [79], 'CBD': [80, 127, 166, 178], 'joints': [81, 153], 'collected': [83], 'rotary': [86], 'machine': [88], 'according': [89], 'ISO': [91], '4387:2019.': [92], 'Analyses': [93], 'conducted': [95], 'nuclear': [97], 'magnetic': [98], 'resonance': [99], '(NMR)': [100], 'spectrometry': [101, 109], 'as': [102, 104, 183, 185], 'well': [103, 184], 'liquid': [105], 'chromatography': [106], 'tandem': [107], 'mass': [108], '(LC-MS/MS).': [110], 'Results:': [111], 'For': [112, 125], 'the': [113, 126, 146, 152, 195, 198], 'condensed': [114], 'liquids,': [116], 'no': [117, 129], 'increase': [118], 'THC': [120, 132, 137, 147, 168], 'concentration': [121], 'could': [122], 'observed.': [124], 'joints,': [128], 'formation': [130], 'provable.': [134], 'recovered': [136], 'concentrations': [138, 196], 'ranging': [140], 'between': [141], '1%': [142], '48%': [144], 'amount': [148], 'initially': [149], 'contained': [150], 'before': [154], 'smoking.': [155], 'Conclusions:': [156], 'Using': [157], 'conditions': [159], 'consumer': [161], 'exposure,': [162], 'relevant': [163], 'appears': [169], 'not': [170], 'occurring.': [173], 'health': [175], 'risk': [176], 'for': [180, 189], 'cigarettes': [182], 'low-THC': [186], 'intended': [188], 'assessed': [193], 'source': [199], 'material': [200], 'without': [201], 'need': [202], 'consider': [204], 'significant': [205], 'changes': [206], 'compounds': [209], 'use': [211], 'consumers.': [213]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W4283750248', 'counts_by_year': [], 'updated_date': '2024-12-15T09:33:03.529401', 'created_date': '2022-07-02'}