Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1996921328', 'doi': 'https://doi.org/10.1016/s0006-3495(98)77513-7', 'title': 'Cholesterol-Induced Variations in the Volume and Enthalpy Fluctuations of Lipid Bilayers', 'display_name': 'Cholesterol-Induced Variations in the Volume and Enthalpy Fluctuations of Lipid Bilayers', 'publication_year': 1998, 'publication_date': '1998-07-01', 'ids': {'openalex': 'https://openalex.org/W1996921328', 'doi': 'https://doi.org/10.1016/s0006-3495(98)77513-7', 'mag': '1996921328', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/9649386', 'pmcid': 'https://www.ncbi.nlm.nih.gov/pmc/articles/1299698'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1016/s0006-3495(98)77513-7', 'pdf_url': 'http://www.cell.com/article/S0006349598775137/pdf', 'source': {'id': 'https://openalex.org/S98085912', 'display_name': 'Biophysical Journal', 'issn_l': '0006-3495', 'issn': ['0006-3495', '1542-0086'], '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': 'publisher-specific-oa', 'license_id': 'https://openalex.org/licenses/publisher-specific-oa', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': True, 'oa_status': 'bronze', 'oa_url': 'http://www.cell.com/article/S0006349598775137/pdf', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5042520051', 'display_name': 'S. Halstenberg', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I74656192', 'display_name': 'University of Göttingen', 'ror': 'https://ror.org/01y9bpm73', 'country_code': 'DE', 'type': 'education', 'lineage': ['https://openalex.org/I74656192']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'S. Halstenberg', 'raw_affiliation_strings': ['Drittes Physikalisches Institut, Georg-August-Universität, D-37073 Göttingen, Germany'], 'affiliations': [{'raw_affiliation_string': 'Drittes Physikalisches Institut, Georg-August-Universität, D-37073 Göttingen, Germany', 'institution_ids': ['https://openalex.org/I74656192']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5055896863', 'display_name': 'Thomas Heimburg', 'orcid': 'https://orcid.org/0000-0003-4599-4582'}, '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/I4210131661', 'display_name': 'Max Planck Institute for Biophysical Chemistry', 'ror': 'https://ror.org/03e76ya46', 'country_code': 'DE', 'type': 'facility', 'lineage': ['https://openalex.org/I149899117', 'https://openalex.org/I4210131661']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'T. Heimburg', 'raw_affiliation_strings': ['Research Group of Biophysics and Thermodynamics of Membranes, MPI for biophysical chemistry, Max Planck Society'], 'affiliations': [{'raw_affiliation_string': 'Research Group of Biophysics and Thermodynamics of Membranes, MPI for biophysical chemistry, Max Planck Society', 'institution_ids': ['https://openalex.org/I149899117', 'https://openalex.org/I4210131661']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5065806513', 'display_name': 'Tibor Hianik', 'orcid': 'https://orcid.org/0000-0002-5906-0548'}, 'institutions': [{'id': 'https://openalex.org/I74788687', 'display_name': 'Comenius University Bratislava', 'ror': 'https://ror.org/0587ef340', 'country_code': 'SK', 'type': 'education', 'lineage': ['https://openalex.org/I74788687']}], 'countries': ['SK'], 'is_corresponding': False, 'raw_author_name': 'T. Hianik', 'raw_affiliation_strings': ['Department of Biophysics and Chemical Physics, Comenius University Mlynskádolina F SK-84215 Bratislava, Slovakia'], 'affiliations': [{'raw_affiliation_string': 'Department of Biophysics and Chemical Physics, Comenius University Mlynskádolina F SK-84215 Bratislava, Slovakia', 'institution_ids': ['https://openalex.org/I74788687']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5077185677', 'display_name': 'U. Kaatze', 'orcid': 'https://orcid.org/0000-0003-0768-812X'}, 'institutions': [{'id': 'https://openalex.org/I74656192', 'display_name': 'University of Göttingen', 'ror': 'https://ror.org/01y9bpm73', 'country_code': 'DE', 'type': 'education', 'lineage': ['https://openalex.org/I74656192']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'U. Kaatze', 'raw_affiliation_strings': ['Drittes Physikalisches Institut, Georg-August-Universität, D-37073 Göttingen, Germany'], 'affiliations': [{'raw_affiliation_string': 'Drittes Physikalisches Institut, Georg-August-Universität, D-37073 Göttingen, Germany', 'institution_ids': ['https://openalex.org/I74656192']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5062520870', 'display_name': 'Roland Krivánek', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I74788687', 'display_name': 'Comenius University Bratislava', 'ror': 'https://ror.org/0587ef340', 'country_code': 'SK', 'type': 'education', 'lineage': ['https://openalex.org/I74788687']}], 'countries': ['SK'], 'is_corresponding': False, 'raw_author_name': 'R. Krivanek', 'raw_affiliation_strings': ['Department of Biophysics and Chemical Physics, Comenius University Mlynskádolina F SK-84215 Bratislava, Slovakia'], 'affiliations': [{'raw_affiliation_string': 'Department of Biophysics and Chemical Physics, Comenius University Mlynskádolina F SK-84215 Bratislava, Slovakia', 'institution_ids': ['https://openalex.org/I74788687']}]}], 'countries_distinct_count': 2, 'institutions_distinct_count': 4, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 2500, 'currency': 'USD', 'value_usd': 2500, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 1.226, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 87, 'citation_normalized_percentile': {'value': 0.961606, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 95, 'max': 96}, 'biblio': {'volume': '75', 'issue': '1', 'first_page': '264', 'last_page': '271'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10407', 'display_name': 'Lipid Rafts and Membrane Dynamics', 'score': 1.0, '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/T10407', 'display_name': 'Lipid Rafts and Membrane Dynamics', 'score': 1.0, '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/T12274', 'display_name': 'Theory and Simulations of Polyelectrolytes in Solutions', 'score': 0.9948, 'subfield': {'id': 'https://openalex.org/subfields/1606', 'display_name': 'Physical and Theoretical Chemistry'}, '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/T10721', 'display_name': 'Surfactant Aggregation and Self-Assembly Phenomena', 'score': 0.9866, 'subfield': {'id': 'https://openalex.org/subfields/1605', 'display_name': 'Organic Chemistry'}, '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/bilayer-structure', 'display_name': 'Bilayer Structure', 'score': 0.534718}, {'id': 'https://openalex.org/keywords/cholesterol', 'display_name': 'Cholesterol', 'score': 0.501489}, {'id': 'https://openalex.org/keywords/atmospheric-temperature-range', 'display_name': 'Atmospheric temperature range', 'score': 0.42820656}, {'id': 'https://openalex.org/keywords/speed-of-sound', 'display_name': 'Speed of sound', 'score': 0.4272917}], 'concepts': [{'id': 'https://openalex.org/C60205243', 'wikidata': 'https://www.wikidata.org/wiki/Q179388', 'display_name': 'Heat capacity', 'level': 2, 'score': 0.73841804}, {'id': 'https://openalex.org/C2778918659', 'wikidata': 'https://www.wikidata.org/wiki/Q186915', 'display_name': 'Phospholipid', 'level': 3, 'score': 0.6915921}, {'id': 'https://openalex.org/C97355855', 'wikidata': 'https://www.wikidata.org/wiki/Q11473', 'display_name': 'Thermodynamics', 'level': 1, 'score': 0.6613468}, {'id': 'https://openalex.org/C84655787', 'wikidata': 'https://www.wikidata.org/wiki/Q8067817', 'display_name': 'Compressibility', 'level': 2, 'score': 0.6513176}, {'id': 'https://openalex.org/C192157962', 'wikidata': 'https://www.wikidata.org/wiki/Q4087243', 'display_name': 'Bilayer', 'level': 3, 'score': 0.62828714}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.61540115}, {'id': 'https://openalex.org/C109663097', 'wikidata': 'https://www.wikidata.org/wiki/Q182453', 'display_name': 'Adiabatic process', 'level': 2, 'score': 0.5851854}, {'id': 'https://openalex.org/C3288061', 'wikidata': 'https://www.wikidata.org/wiki/Q161064', 'display_name': 'Enthalpy', 'level': 2, 'score': 0.5700749}, {'id': 'https://openalex.org/C39944091', 'wikidata': 'https://www.wikidata.org/wiki/Q423279', 'display_name': 'Lipid bilayer', 'level': 3, 'score': 0.5416212}, {'id': 'https://openalex.org/C20556612', 'wikidata': 'https://www.wikidata.org/wiki/Q4469374', 'display_name': 'Volume (thermodynamics)', 'level': 2, 'score': 0.5281729}, {'id': 'https://openalex.org/C185154212', 'wikidata': 'https://www.wikidata.org/wiki/Q410454', 'display_name': 'Liposome', 'level': 2, 'score': 0.50841707}, {'id': 'https://openalex.org/C41625074', 'wikidata': 'https://www.wikidata.org/wiki/Q176088', 'display_name': 'Membrane', 'level': 2, 'score': 0.47965768}, {'id': 'https://openalex.org/C35249275', 'wikidata': 'https://www.wikidata.org/wiki/Q487112', 'display_name': 'Molar volume', 'level': 2, 'score': 0.45946005}, {'id': 'https://openalex.org/C39353612', 'wikidata': 'https://www.wikidata.org/wiki/Q5283759', 'display_name': 'Atmospheric temperature range', 'level': 2, 'score': 0.42820656}, {'id': 'https://openalex.org/C200351514', 'wikidata': 'https://www.wikidata.org/wiki/Q124003', 'display_name': 'Speed of sound', 'level': 2, 'score': 0.4272917}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.10104504}, {'id': 'https://openalex.org/C55493867', 'wikidata': 'https://www.wikidata.org/wiki/Q7094', 'display_name': 'Biochemistry', 'level': 1, 'score': 0.08849844}], 'mesh': [{'descriptor_ui': 'D002784', 'descriptor_name': 'Cholesterol', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': True}, {'descriptor_ui': 'D008051', 'descriptor_name': 'Lipid Bilayers', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': True}, {'descriptor_ui': 'D055592', 'descriptor_name': 'Biophysical Phenomena', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D001703', 'descriptor_name': 'Biophysics', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002152', 'descriptor_name': 'Calorimetry, Differential Scanning', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002784', 'descriptor_name': 'Cholesterol', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D004134', 'descriptor_name': 'Dimyristoylphosphatidylcholine', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D004134', 'descriptor_name': 'Dimyristoylphosphatidylcholine', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': False}, {'descriptor_ui': 'D066298', 'descriptor_name': 'In Vitro Techniques', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008051', 'descriptor_name': 'Lipid Bilayers', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008081', 'descriptor_name': 'Liposomes', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008081', 'descriptor_name': 'Liposomes', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': False}, {'descriptor_ui': 'D012212', 'descriptor_name': 'Rheology', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D013816', 'descriptor_name': 'Thermodynamics', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D014465', 'descriptor_name': 'Ultrasonics', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 4, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.1016/s0006-3495(98)77513-7', 'pdf_url': 'http://www.cell.com/article/S0006349598775137/pdf', 'source': {'id': 'https://openalex.org/S98085912', 'display_name': 'Biophysical Journal', 'issn_l': '0006-3495', 'issn': ['0006-3495', '1542-0086'], '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': 'publisher-specific-oa', 'license_id': 'https://openalex.org/licenses/publisher-specific-oa', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': True, 'landing_page_url': 'https://europepmc.org/articles/pmc1299698', 'pdf_url': 'https://europepmc.org/articles/pmc1299698?pdf=render', 'source': {'id': 'https://openalex.org/S4306400806', 'display_name': 'Europe PMC (PubMed Central)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1303153112', 'host_organization_name': 'European Bioinformatics Institute', 'host_organization_lineage': ['https://openalex.org/I1303153112'], 'host_organization_lineage_names': ['European Bioinformatics Institute'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': True, 'landing_page_url': 'https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1299698', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S2764455111', 'display_name': 'PubMed Central', 'issn_l': None, 'issn': None, 'is_oa': True, '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': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/9649386', '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': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1016/s0006-3495(98)77513-7', 'pdf_url': 'http://www.cell.com/article/S0006349598775137/pdf', 'source': {'id': 'https://openalex.org/S98085912', 'display_name': 'Biophysical Journal', 'issn_l': '0006-3495', 'issn': ['0006-3495', '1542-0086'], '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': 'publisher-specific-oa', 'license_id': 'https://openalex.org/licenses/publisher-specific-oa', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [{'id': 'https://metadata.un.org/sdg/7', 'score': 0.63, 'display_name': 'Affordable and clean energy'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 41, 'referenced_works': ['https://openalex.org/W1743140780', 'https://openalex.org/W1966506896', 'https://openalex.org/W1968682299', 'https://openalex.org/W1969169716', 'https://openalex.org/W1972197313', 'https://openalex.org/W1984981562', 'https://openalex.org/W1993611155', 'https://openalex.org/W1996157053', 'https://openalex.org/W1999748401', 'https://openalex.org/W2001355446', 'https://openalex.org/W2003709444', 'https://openalex.org/W2005240875', 'https://openalex.org/W2007363880', 'https://openalex.org/W2011742910', 'https://openalex.org/W2012943533', 'https://openalex.org/W2026712255', 'https://openalex.org/W2032482499', 'https://openalex.org/W2034030579', 'https://openalex.org/W2042787593', 'https://openalex.org/W2059068110', 'https://openalex.org/W2059108171', 'https://openalex.org/W2061796193', 'https://openalex.org/W2067071330', 'https://openalex.org/W206924817', 'https://openalex.org/W2073871198', 'https://openalex.org/W2076918344', 'https://openalex.org/W2077471821', 'https://openalex.org/W2082107599', 'https://openalex.org/W2083039757', 'https://openalex.org/W2083258595', 'https://openalex.org/W2089078903', 'https://openalex.org/W2095354007', 'https://openalex.org/W2095363290', 'https://openalex.org/W2126870323', 'https://openalex.org/W2151519197', 'https://openalex.org/W2323294510', 'https://openalex.org/W2489181791', 'https://openalex.org/W3004127347', 'https://openalex.org/W360097605', 'https://openalex.org/W600590637', 'https://openalex.org/W607690890'], 'related_works': ['https://openalex.org/W4367601614', 'https://openalex.org/W2718515487', 'https://openalex.org/W2389992822', 'https://openalex.org/W2320621004', 'https://openalex.org/W2100090167', 'https://openalex.org/W2072230736', 'https://openalex.org/W2061481432', 'https://openalex.org/W2059795428', 'https://openalex.org/W2031051143', 'https://openalex.org/W1963901611'], 'abstract_inverted_index': {'The': [0, 32, 49], 'sound': [1, 54, 117], 'velocity': [2, 55, 118], 'and': [3, 66, 100, 161], 'density': [4], 'of': [5, 7, 22, 29, 52, 57, 63, 67, 105, 113, 145, 149], 'suspensions': [6], 'large': [8], 'unilamellar': [9], 'liposomes': [10], 'from': [11, 76, 155], 'dimyristoylphosphatidylcholine': [12], 'with': [13, 85, 120], 'admixed': [14], 'cholesterol': [15], 'have': [16, 73], 'been': [17, 38, 74, 110], 'measured': [18, 78], 'as': [19, 141], 'a': [20, 41], 'function': [21], 'temperature': [23, 28, 50], 'around': [24], 'the': [25, 30, 53, 58, 64, 68, 77, 88, 92, 98, 101, 106, 114, 125, 146, 156], 'chain': [26], 'melting': [27], 'phospholipid.': [31], 'cholesterol-to-phospholipid': [33], 'molar': [34], 'ratio': [35], 'xc': [36, 46], 'has': [37, 109], 'varied': [39], 'over': [40], 'wide': [42], 'range': [43], '(0': [44], '≤': [45, 47], '0.5).': [48], 'dependence': [51], 'number,': [56], 'apparent': [59, 69], 'specific': [60, 70, 157], 'partial': [61], 'volume': [62, 89], 'phospholipid,': [65], 'adiabatic': [71], 'compressibility': [72, 99], 'derived': [75], 'data.': [79], 'These': [80], 'data': [81, 160], 'are': [82], 'particularly': [83], 'discussed': [84], 'respect': [86], 'to': [87, 137, 152], 'fluctuations': [90], 'within': [91], 'samples.': [93], 'A': [94], 'theoretical': [95], 'relation': [96], 'between': [97, 128], 'excess': [102], 'heat': [103, 121, 158], 'capacity': [104, 122, 159], 'bilayer': [107, 132], 'system': [108], 'derived.': [111], 'Comparison': [112], 'compressibilities': [115], '(and': [116], 'numbers)': [119], 'traces': [123], 'display': [124], 'close': [126], 'correlation': [127, 135], 'these': [129], 'quantities': [130], 'for': [131], 'systems.': [133], 'This': [134], 'appears': [136], 'be': [138, 153], 'very': [139], 'useful': [140], 'it': [142], 'allows': [143], 'some': [144], 'mechanical': [147], 'properties': [148], 'membrane': [150], 'systems': [151], 'calculated': [154], 'vice': [162], 'versa.': [163]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1996921328', 'counts_by_year': [{'year': 2023, 'cited_by_count': 3}, {'year': 2022, 'cited_by_count': 7}, {'year': 2021, 'cited_by_count': 2}, {'year': 2020, 'cited_by_count': 2}, {'year': 2019, 'cited_by_count': 5}, {'year': 2018, 'cited_by_count': 4}, {'year': 2017, 'cited_by_count': 3}, {'year': 2016, 'cited_by_count': 1}, {'year': 2015, 'cited_by_count': 2}, {'year': 2014, 'cited_by_count': 4}, {'year': 2013, 'cited_by_count': 2}, {'year': 2012, 'cited_by_count': 5}], 'updated_date': '2024-08-15T05:05:33.133529', 'created_date': '2016-06-24'}