Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2409056983', 'doi': None, 'title': 'Photoproteins as biological calcium indicators.', 'display_name': 'Photoproteins as biological calcium indicators.', 'publication_year': 1976, 'publication_date': '1976-03-01', 'ids': {'openalex': 'https://openalex.org/W2409056983', 'mag': '2409056983', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/781694'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/781694', '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}, 'type': 'review', 'type_crossref': 'journal-article', 'indexed_in': ['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/A5064344405', 'display_name': 'Blinks', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I2802423016', 'display_name': 'WinnMed', 'ror': 'https://ror.org/02s47w807', 'country_code': 'US', 'type': 'nonprofit', 'lineage': ['https://openalex.org/I2802423016']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Blinks', 'raw_affiliation_strings': ['Mayo Clinic College of Medicine and Science'], 'affiliations': [{'raw_affiliation_string': 'Mayo Clinic College of Medicine and Science', 'institution_ids': ['https://openalex.org/I2802423016']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5021330755', 'display_name': 'Prendergast Fg', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'FG Prendergast', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5047124960', 'display_name': 'David G. Allen', 'orcid': 'https://orcid.org/0000-0001-8605-1586'}, 'institutions': [{'id': 'https://openalex.org/I2802423016', 'display_name': 'WinnMed', 'ror': 'https://ror.org/02s47w807', 'country_code': 'US', 'type': 'nonprofit', 'lineage': ['https://openalex.org/I2802423016']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'DG Allen', 'raw_affiliation_strings': ['Mayo Clinic College of Medicine and Science'], 'affiliations': [{'raw_affiliation_string': 'Mayo Clinic College of Medicine and Science', 'institution_ids': ['https://openalex.org/I2802423016']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 3.326, 'has_fulltext': False, 'cited_by_count': 225, 'citation_normalized_percentile': {'value': 0.884532, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 98, 'max': 99}, 'biblio': {'volume': '28', 'issue': '1', 'first_page': '1', 'last_page': '93'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T12561', 'display_name': 'bioluminescence and chemiluminescence research', 'score': 0.9683, '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/T12561', 'display_name': 'bioluminescence and chemiluminescence research', 'score': 0.9683, '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/photoprotein', 'display_name': 'Photoprotein', 'score': 0.76473945}], 'concepts': [{'id': 'https://openalex.org/C17189327', 'wikidata': 'https://www.wikidata.org/wiki/Q7187889', 'display_name': 'Photoprotein', 'level': 3, 'score': 0.76473945}, {'id': 'https://openalex.org/C519063684', 'wikidata': 'https://www.wikidata.org/wiki/Q706', 'display_name': 'Calcium', 'level': 2, 'score': 0.5677393}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.38355651}, {'id': 'https://openalex.org/C178790620', 'wikidata': 'https://www.wikidata.org/wiki/Q11351', 'display_name': 'Organic chemistry', 'level': 1, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D002118', 'descriptor_name': 'Calcium', 'qualifier_ui': 'Q000494', 'qualifier_name': 'pharmacology', 'is_major_topic': True}, {'descriptor_ui': 'D011506', 'descriptor_name': 'Proteins', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D000818', 'descriptor_name': 'Animals', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002118', 'descriptor_name': 'Calcium', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002118', 'descriptor_name': 'Calcium', 'qualifier_ui': 'Q000032', 'qualifier_name': 'analysis', 'is_major_topic': False}, {'descriptor_ui': 'D055598', 'descriptor_name': 'Chemical Phenomena', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002627', 'descriptor_name': 'Chemistry, Physical', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D004355', 'descriptor_name': 'Drug Stability', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D004356', 'descriptor_name': 'Drug Storage', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D004735', 'descriptor_name': 'Energy Transfer', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005453', 'descriptor_name': 'Fluorescence', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D005612', 'descriptor_name': 'Freeze Drying', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D007478', 'descriptor_name': 'Iontophoresis', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D007700', 'descriptor_name': 'Kinetics', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008163', 'descriptor_name': 'Luminescent Measurements', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008564', 'descriptor_name': 'Membrane Potentials', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008970', 'descriptor_name': 'Molecular Weight', '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': 'D011485', 'descriptor_name': 'Protein Binding', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D011506', 'descriptor_name': 'Proteins', 'qualifier_ui': 'Q000008', 'qualifier_name': 'administration & dosage', 'is_major_topic': False}, {'descriptor_ui': 'D011506', 'descriptor_name': 'Proteins', 'qualifier_ui': 'Q000302', 'qualifier_name': 'isolation & purification', 'is_major_topic': False}, {'descriptor_ui': 'D011506', 'descriptor_name': 'Proteins', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': False}, {'descriptor_ui': 'D012995', 'descriptor_name': 'Solubility', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/781694', '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/2', 'score': 0.45, 'display_name': 'Zero hunger'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W2404804589', 'https://openalex.org/W2114034547', 'https://openalex.org/W2085743674', 'https://openalex.org/W2048039997', 'https://openalex.org/W2026411959', 'https://openalex.org/W2021197510', 'https://openalex.org/W2005313609', 'https://openalex.org/W1991667322', 'https://openalex.org/W1978113441', 'https://openalex.org/W118588102'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2409056983', 'counts_by_year': [{'year': 2024, 'cited_by_count': 2}, {'year': 2021, 'cited_by_count': 3}, {'year': 2018, 'cited_by_count': 2}, {'year': 2016, 'cited_by_count': 3}, {'year': 2015, 'cited_by_count': 2}, {'year': 2014, 'cited_by_count': 3}, {'year': 2013, 'cited_by_count': 3}, {'year': 2012, 'cited_by_count': 8}], 'updated_date': '2025-01-12T11:32:38.755992', 'created_date': '2016-06-24'}