Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2044798152', 'doi': 'https://doi.org/10.1111/j.1751-1097.2011.00922.x', 'title': 'Photodynamic Effects of Pterin on HeLa Cells', 'display_name': 'Photodynamic Effects of Pterin on HeLa Cells', 'publication_year': 2011, 'publication_date': '2011-03-16', 'ids': {'openalex': 'https://openalex.org/W2044798152', 'doi': 'https://doi.org/10.1111/j.1751-1097.2011.00922.x', 'mag': '2044798152', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/21410705'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1111/j.1751-1097.2011.00922.x', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S61245073', 'display_name': 'Photochemistry and Photobiology', 'issn_l': '0031-8655', 'issn': ['0031-8655', '1751-1097'], '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/A5006483700', 'display_name': 'M. Paula Denofrio', 'orcid': 'https://orcid.org/0000-0003-1819-3202'}, 'institutions': [{'id': 'https://openalex.org/I874386039', 'display_name': 'Universidad Nacional de La Plata', 'ror': 'https://ror.org/01tjs6929', 'country_code': 'AR', 'type': 'education', 'lineage': ['https://openalex.org/I874386039']}], 'countries': ['AR'], 'is_corresponding': False, 'raw_author_name': 'M. Paula Denofrio', 'raw_affiliation_strings': ['Departamento de Química, Facultad de Ciencias Exactas, Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Universidad Nacional de La Plata, CCT-La Plata-CONICET, La Plata, Argentina.'], 'affiliations': [{'raw_affiliation_string': 'Departamento de Química, Facultad de Ciencias Exactas, Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Universidad Nacional de La Plata, CCT-La Plata-CONICET, La Plata, Argentina.', 'institution_ids': ['https://openalex.org/I874386039']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5010080541', 'display_name': 'Carolina Lorente', 'orcid': 'https://orcid.org/0000-0001-8723-3795'}, 'institutions': [{'id': 'https://openalex.org/I874386039', 'display_name': 'Universidad Nacional de La Plata', 'ror': 'https://ror.org/01tjs6929', 'country_code': 'AR', 'type': 'education', 'lineage': ['https://openalex.org/I874386039']}], 'countries': ['AR'], 'is_corresponding': False, 'raw_author_name': 'Carolina Lorente', 'raw_affiliation_strings': ['Departamento de Química, Facultad de Ciencias Exactas, Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Universidad Nacional de La Plata, CCT-La Plata-CONICET, La Plata, Argentina.'], 'affiliations': [{'raw_affiliation_string': 'Departamento de Química, Facultad de Ciencias Exactas, Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Universidad Nacional de La Plata, CCT-La Plata-CONICET, La Plata, Argentina.', 'institution_ids': ['https://openalex.org/I874386039']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5032409559', 'display_name': 'Thomas Breitenbach', 'orcid': 'https://orcid.org/0000-0001-6771-9624'}, 'institutions': [{'id': 'https://openalex.org/I204337017', 'display_name': 'Aarhus University', 'ror': 'https://ror.org/01aj84f44', 'country_code': 'DK', 'type': 'education', 'lineage': ['https://openalex.org/I204337017']}], 'countries': ['DK'], 'is_corresponding': False, 'raw_author_name': 'Thomas Breitenbach', 'raw_affiliation_strings': ['Department of Chemistry, Center for Oxygen Microscopy and Imaging, University of Aarhus, Arhus, Denmark.'], 'affiliations': [{'raw_affiliation_string': 'Department of Chemistry, Center for Oxygen Microscopy and Imaging, University of Aarhus, Arhus, Denmark.', 'institution_ids': ['https://openalex.org/I204337017']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5031079653', 'display_name': 'Sonja Hatz', 'orcid': 'https://orcid.org/0000-0002-1350-131X'}, 'institutions': [{'id': 'https://openalex.org/I204337017', 'display_name': 'Aarhus University', 'ror': 'https://ror.org/01aj84f44', 'country_code': 'DK', 'type': 'education', 'lineage': ['https://openalex.org/I204337017']}], 'countries': ['DK'], 'is_corresponding': False, 'raw_author_name': 'Sonja Hatz', 'raw_affiliation_strings': ['Department of Chemistry, Center for Oxygen Microscopy and Imaging, University of Aarhus, Arhus, Denmark.'], 'affiliations': [{'raw_affiliation_string': 'Department of Chemistry, Center for Oxygen Microscopy and Imaging, University of Aarhus, Arhus, Denmark.', 'institution_ids': ['https://openalex.org/I204337017']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5067762563', 'display_name': 'Franco M. Cabrerizo', 'orcid': 'https://orcid.org/0000-0001-9584-4369'}, 'institutions': [{'id': 'https://openalex.org/I4210159438', 'display_name': 'Instituto Tecnológico de Chascomús', 'ror': 'https://ror.org/04qzr9r50', 'country_code': 'AR', 'type': 'facility', 'lineage': ['https://openalex.org/I151201029', 'https://openalex.org/I228664971', 'https://openalex.org/I4210123736', 'https://openalex.org/I4210159438', 'https://openalex.org/I4387155568']}, {'id': 'https://openalex.org/I151201029', 'display_name': 'Consejo Nacional de Investigaciones Científicas y Técnicas', 'ror': 'https://ror.org/03cqe8w59', 'country_code': 'AR', 'type': 'government', 'lineage': ['https://openalex.org/I151201029', 'https://openalex.org/I4210123736', 'https://openalex.org/I4387155568']}, {'id': 'https://openalex.org/I228664971', 'display_name': 'National University of General San Martín', 'ror': 'https://ror.org/00v29jp57', 'country_code': 'AR', 'type': 'education', 'lineage': ['https://openalex.org/I228664971']}], 'countries': ['AR'], 'is_corresponding': False, 'raw_author_name': 'Franco M. Cabrerizo', 'raw_affiliation_strings': ['Instituto de Investigaciones Biotecnológicas, Instituto Tecnológico de Chascomús (IIB‐INTECH), Universidad Nacional de San Martín, CONICET, Camino Circunv., Chascomús, Argentina'], 'affiliations': [{'raw_affiliation_string': 'Instituto de Investigaciones Biotecnológicas, Instituto Tecnológico de Chascomús (IIB‐INTECH), Universidad Nacional de San Martín, CONICET, Camino Circunv., Chascomús, Argentina', 'institution_ids': ['https://openalex.org/I4210159438', 'https://openalex.org/I151201029', 'https://openalex.org/I228664971']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5007894916', 'display_name': 'Andrés H. Thomas', 'orcid': 'https://orcid.org/0000-0002-8054-7799'}, 'institutions': [{'id': 'https://openalex.org/I874386039', 'display_name': 'Universidad Nacional de La Plata', 'ror': 'https://ror.org/01tjs6929', 'country_code': 'AR', 'type': 'education', 'lineage': ['https://openalex.org/I874386039']}], 'countries': ['AR'], 'is_corresponding': False, 'raw_author_name': 'Andrés H. Thomas', 'raw_affiliation_strings': ['Departamento de Química, Facultad de Ciencias Exactas, Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Universidad Nacional de La Plata, CCT-La Plata-CONICET, La Plata, Argentina.'], 'affiliations': [{'raw_affiliation_string': 'Departamento de Química, Facultad de Ciencias Exactas, Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Universidad Nacional de La Plata, CCT-La Plata-CONICET, La Plata, Argentina.', 'institution_ids': ['https://openalex.org/I874386039']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5030155708', 'display_name': 'Peter R. Ogilby', 'orcid': 'https://orcid.org/0000-0003-0165-5159'}, 'institutions': [{'id': 'https://openalex.org/I204337017', 'display_name': 'Aarhus University', 'ror': 'https://ror.org/01aj84f44', 'country_code': 'DK', 'type': 'education', 'lineage': ['https://openalex.org/I204337017']}], 'countries': ['DK'], 'is_corresponding': False, 'raw_author_name': 'Peter R. Ogilby', 'raw_affiliation_strings': ['Department of Chemistry, Center for Oxygen Microscopy and Imaging, University of Aarhus, Arhus, Denmark.'], 'affiliations': [{'raw_affiliation_string': 'Department of Chemistry, Center for Oxygen Microscopy and Imaging, University of Aarhus, Arhus, Denmark.', 'institution_ids': ['https://openalex.org/I204337017']}]}], 'institution_assertions': [], 'countries_distinct_count': 2, 'institutions_distinct_count': 5, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 4120, 'currency': 'USD', 'value_usd': 4120, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 1.298, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 21, 'citation_normalized_percentile': {'value': 0.893124, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 90, 'max': 91}, 'biblio': {'volume': '87', 'issue': '4', 'first_page': '862', 'last_page': '866'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10957', 'display_name': 'Photodynamic Therapy Research Studies', 'score': 0.9996, 'subfield': {'id': 'https://openalex.org/subfields/2740', 'display_name': 'Pulmonary and Respiratory Medicine'}, '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/T10957', 'display_name': 'Photodynamic Therapy Research Studies', 'score': 0.9996, 'subfield': {'id': 'https://openalex.org/subfields/2740', 'display_name': 'Pulmonary and Respiratory Medicine'}, '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/T11013', 'display_name': 'Skin Protection and Aging', 'score': 0.9945, 'subfield': {'id': 'https://openalex.org/subfields/2708', 'display_name': 'Dermatology'}, '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/T12561', 'display_name': 'bioluminescence and chemiluminescence research', 'score': 0.9923, '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'}}], 'keywords': [{'id': 'https://openalex.org/keywords/trypan-blue', 'display_name': 'Trypan blue', 'score': 0.9027208}, {'id': 'https://openalex.org/keywords/hela', 'display_name': 'HeLa', 'score': 0.89442426}, {'id': 'https://openalex.org/keywords/viability-assay', 'display_name': 'Viability assay', 'score': 0.74755275}, {'id': 'https://openalex.org/keywords/rhodamine-123', 'display_name': 'Rhodamine 123', 'score': 0.50155926}, {'id': 'https://openalex.org/keywords/rhodamine', 'display_name': 'Rhodamine', 'score': 0.46292946}, {'id': 'https://openalex.org/keywords/pterin', 'display_name': 'Pterin', 'score': 0.44875017}], 'concepts': [{'id': 'https://openalex.org/C2780070996', 'wikidata': 'https://www.wikidata.org/wiki/Q61482373', 'display_name': 'Trypan blue', 'level': 3, 'score': 0.9027208}, {'id': 'https://openalex.org/C2777366897', 'wikidata': 'https://www.wikidata.org/wiki/Q847482', 'display_name': 'HeLa', 'level': 3, 'score': 0.89442426}, {'id': 'https://openalex.org/C53227056', 'wikidata': 'https://www.wikidata.org/wiki/Q189152', 'display_name': 'Viability assay', 'level': 3, 'score': 0.74755275}, {'id': 'https://openalex.org/C31573885', 'wikidata': 'https://www.wikidata.org/wiki/Q304484', 'display_name': 'Programmed cell death', 'level': 3, 'score': 0.6960316}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.5189302}, {'id': 'https://openalex.org/C2778589691', 'wikidata': 'https://www.wikidata.org/wiki/Q3429577', 'display_name': 'Rhodamine 123', 'level': 4, 'score': 0.50155926}, {'id': 'https://openalex.org/C1491633281', 'wikidata': 'https://www.wikidata.org/wiki/Q7868', 'display_name': 'Cell', 'level': 2, 'score': 0.48226196}, {'id': 'https://openalex.org/C28859421', 'wikidata': 'https://www.wikidata.org/wiki/Q39572', 'display_name': 'Mitochondrion', 'level': 2, 'score': 0.47514296}, {'id': 'https://openalex.org/C2779916640', 'wikidata': 'https://www.wikidata.org/wiki/Q420410', 'display_name': 'Rhodamine', 'level': 3, 'score': 0.46292946}, {'id': 'https://openalex.org/C2776055822', 'wikidata': 'https://www.wikidata.org/wiki/Q386702', 'display_name': 'Pterin', 'level': 4, 'score': 0.44875017}, {'id': 'https://openalex.org/C91881484', 'wikidata': 'https://www.wikidata.org/wiki/Q191807', 'display_name': 'Fluorescence', 'level': 2, 'score': 0.4277569}, {'id': 'https://openalex.org/C190283241', 'wikidata': 'https://www.wikidata.org/wiki/Q14599311', 'display_name': 'Apoptosis', 'level': 2, 'score': 0.40868923}, {'id': 'https://openalex.org/C12554922', 'wikidata': 'https://www.wikidata.org/wiki/Q7100', 'display_name': 'Biophysics', 'level': 1, 'score': 0.39387375}, {'id': 'https://openalex.org/C95444343', 'wikidata': 'https://www.wikidata.org/wiki/Q7141', 'display_name': 'Cell biology', 'level': 1, 'score': 0.350462}, {'id': 'https://openalex.org/C153911025', 'wikidata': 'https://www.wikidata.org/wiki/Q7202', 'display_name': 'Molecular biology', 'level': 1, 'score': 0.3430984}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.33991858}, {'id': 'https://openalex.org/C55493867', 'wikidata': 'https://www.wikidata.org/wiki/Q7094', 'display_name': 'Biochemistry', 'level': 1, 'score': 0.33544993}, {'id': 'https://openalex.org/C197957613', 'wikidata': 'https://www.wikidata.org/wiki/Q407280', 'display_name': 'Cofactor', 'level': 3, 'score': 0.07036075}, {'id': 'https://openalex.org/C501593827', 'wikidata': 'https://www.wikidata.org/wiki/Q12187', 'display_name': 'Antibiotics', 'level': 2, 'score': 0.0}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C62520636', 'wikidata': 'https://www.wikidata.org/wiki/Q944', 'display_name': 'Quantum mechanics', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C133936738', 'wikidata': 'https://www.wikidata.org/wiki/Q643839', 'display_name': 'Multiple drug resistance', 'level': 3, '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': 'D000588', 'descriptor_name': 'Amines', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': True}, {'descriptor_ui': 'D008928', 'descriptor_name': 'Mitochondria', 'qualifier_ui': 'Q000187', 'qualifier_name': 'drug effects', 'is_major_topic': True}, {'descriptor_ui': 'D008928', 'descriptor_name': 'Mitochondria', 'qualifier_ui': 'Q000528', 'qualifier_name': 'radiation effects', 'is_major_topic': True}, {'descriptor_ui': 'D010778', 'descriptor_name': 'Photochemotherapy', 'qualifier_ui': 'Q000379', 'qualifier_name': 'methods', 'is_major_topic': True}, {'descriptor_ui': 'D017319', 'descriptor_name': 'Photosensitizing Agents', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D011622', 'descriptor_name': 'Pterins', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D002583', 'descriptor_name': 'Uterine Cervical Neoplasms', 'qualifier_ui': 'Q000188', 'qualifier_name': 'drug therapy', 'is_major_topic': True}, {'descriptor_ui': 'D000588', 'descriptor_name': 'Amines', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002452', 'descriptor_name': 'Cell Count', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D016923', 'descriptor_name': 'Cell Death', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D016923', 'descriptor_name': 'Cell Death', 'qualifier_ui': 'Q000187', 'qualifier_name': 'drug effects', 'is_major_topic': False}, {'descriptor_ui': 'D016923', 'descriptor_name': 'Cell Death', 'qualifier_ui': 'Q000528', 'qualifier_name': 'radiation effects', 'is_major_topic': False}, {'descriptor_ui': 'D005260', 'descriptor_name': 'Female', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006367', 'descriptor_name': 'HeLa Cells', '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': 'D008856', 'descriptor_name': 'Microscopy, Fluorescence', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008928', 'descriptor_name': 'Mitochondria', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': False}, {'descriptor_ui': 'D008928', 'descriptor_name': 'Mitochondria', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D010778', 'descriptor_name': 'Photochemotherapy', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D017319', 'descriptor_name': 'Photosensitizing Agents', 'qualifier_ui': 'Q000138', 'qualifier_name': 'chemical synthesis', 'is_major_topic': False}, {'descriptor_ui': 'D017319', 'descriptor_name': 'Photosensitizing Agents', 'qualifier_ui': 'Q000494', 'qualifier_name': 'pharmacology', 'is_major_topic': False}, {'descriptor_ui': 'D011622', 'descriptor_name': 'Pterins', 'qualifier_ui': 'Q000138', 'qualifier_name': 'chemical synthesis', 'is_major_topic': False}, {'descriptor_ui': 'D011622', 'descriptor_name': 'Pterins', 'qualifier_ui': 'Q000494', 'qualifier_name': 'pharmacology', 'is_major_topic': False}, {'descriptor_ui': 'D020112', 'descriptor_name': 'Rhodamine 123', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D020112', 'descriptor_name': 'Rhodamine 123', 'qualifier_ui': 'Q000032', 'qualifier_name': 'analysis', 'is_major_topic': False}, {'descriptor_ui': 'D014343', 'descriptor_name': 'Trypan Blue', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D014343', 'descriptor_name': 'Trypan Blue', 'qualifier_ui': 'Q000032', 'qualifier_name': 'analysis', 'is_major_topic': False}, {'descriptor_ui': 'D014466', 'descriptor_name': 'Ultraviolet Rays', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002583', 'descriptor_name': 'Uterine Cervical Neoplasms', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002583', 'descriptor_name': 'Uterine Cervical Neoplasms', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': False}, {'descriptor_ui': 'D002583', 'descriptor_name': 'Uterine Cervical Neoplasms', 'qualifier_ui': 'Q000473', 'qualifier_name': 'pathology', 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1111/j.1751-1097.2011.00922.x', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S61245073', 'display_name': 'Photochemistry and Photobiology', 'issn_l': '0031-8655', 'issn': ['0031-8655', '1751-1097'], '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/21410705', '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': [{'display_name': 'Good health and well-being', 'id': 'https://metadata.un.org/sdg/3', 'score': 0.78}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 34, 'referenced_works': ['https://openalex.org/W1590123859', 'https://openalex.org/W1905732070', 'https://openalex.org/W1974945118', 'https://openalex.org/W1984116870', 'https://openalex.org/W1991369368', 'https://openalex.org/W1993589268', 'https://openalex.org/W2000599380', 'https://openalex.org/W2007106984', 'https://openalex.org/W2007835060', 'https://openalex.org/W2016621959', 'https://openalex.org/W2016633358', 'https://openalex.org/W2026920556', 'https://openalex.org/W2036937264', 'https://openalex.org/W2045506029', 'https://openalex.org/W2056947345', 'https://openalex.org/W2071116326', 'https://openalex.org/W2072512993', 'https://openalex.org/W2072665697', 'https://openalex.org/W2086119573', 'https://openalex.org/W2087190819', 'https://openalex.org/W2090318738', 'https://openalex.org/W2095292367', 'https://openalex.org/W2100130506', 'https://openalex.org/W2100903105', 'https://openalex.org/W2107772901', 'https://openalex.org/W2108256852', 'https://openalex.org/W2122660871', 'https://openalex.org/W2124378074', 'https://openalex.org/W2127764785', 'https://openalex.org/W2176832201', 'https://openalex.org/W2278588587', 'https://openalex.org/W2332323443', 'https://openalex.org/W4240570174', 'https://openalex.org/W87885620'], 'related_works': ['https://openalex.org/W3146533945', 'https://openalex.org/W2412684781', 'https://openalex.org/W2088765174', 'https://openalex.org/W2082589157', 'https://openalex.org/W2076170195', 'https://openalex.org/W2070749233', 'https://openalex.org/W2055193844', 'https://openalex.org/W2039367417', 'https://openalex.org/W2020946741', 'https://openalex.org/W1974945118'], 'abstract_inverted_index': {'Pterins,': [0], 'heterocyclic': [1], 'compounds': [2], 'widespread': [3], 'in': [4, 8], 'biological': [5, 10], 'systems,': [6], 'participate': [7], 'relevant': [9], 'processes': [11], 'and': [12, 40, 66], 'are': [13], 'able': [14], 'to': [15, 86], 'act': [16], 'as': [17, 28], 'photosensitizers.': [18], 'In': [19], 'the': [20, 58, 68, 93, 96], 'present': [21], 'study,': [22], 'we': [23], 'ascertained': [24], 'that': [25, 41], '2-aminopteridin-4(3H)-one,': [26], 'abbreviated': [27], 'Ptr,': [29], 'is': [30], 'readily': [31], 'incorporated': [32], 'into': [33], 'and/or': [34], 'onto': [35], 'cervical': [36], 'cancer': [37], 'cells': [38, 43], '(HeLa)': [39], 'these': [42], 'die': [44], 'upon': [45], 'UV-A': [46], 'irradiation': [47], 'of': [48, 95], 'Ptr.': [49], 'Cell': [50], 'death': [51], 'was': [52], 'assessed': [53], 'using': [54], 'two': [55], 'tests:': [56], '(1)': [57], 'Rhodamine': [59], '123': [60], 'fluorescence': [61], 'assay': [62, 71], 'for': [63, 72, 79], 'mitochondrial': [64, 87], 'viability': [65], '(2)': [67], 'Trypan': [69], 'Blue': [70], 'membrane': [73], 'integrity.': [74], 'The': [75], 'data': [76], 'suggest': [77], 'that,': [78], 'Ptr-dependent': [80], 'photoinitiated': [81], 'cell': [82, 97], 'death,': [83], 'events': [84], 'related': [85], 'failure': [88, 94], 'precede': [89], 'those': [90], 'associated': [91], 'with': [92], 'membrane.': [98]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2044798152', 'counts_by_year': [{'year': 2023, 'cited_by_count': 2}, {'year': 2022, 'cited_by_count': 2}, {'year': 2021, 'cited_by_count': 2}, {'year': 2020, 'cited_by_count': 2}, {'year': 2018, 'cited_by_count': 2}, {'year': 2017, 'cited_by_count': 2}, {'year': 2016, 'cited_by_count': 1}, {'year': 2015, 'cited_by_count': 3}, {'year': 2013, 'cited_by_count': 2}, {'year': 2012, 'cited_by_count': 2}], 'updated_date': '2024-12-07T16:17:34.393961', 'created_date': '2016-06-24'}