Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2059932608', 'doi': 'https://doi.org/10.1021/ja904982j', 'title': 'Controlled-Access Hollow Mechanized Silica Nanocontainers', 'display_name': 'Controlled-Access Hollow Mechanized Silica Nanocontainers', 'publication_year': 2009, 'publication_date': '2009-10-02', 'ids': {'openalex': 'https://openalex.org/W2059932608', 'doi': 'https://doi.org/10.1021/ja904982j', 'mag': '2059932608', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/19799420'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1021/ja904982j', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S111155417', 'display_name': 'Journal of the American Chemical Society', 'issn_l': '0002-7863', 'issn': ['0002-7863', '1520-5126', '1943-2984'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320006', 'host_organization_name': 'American Chemical Society', 'host_organization_lineage': ['https://openalex.org/P4310320006'], 'host_organization_lineage_names': ['American Chemical Society'], '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/A5062744012', 'display_name': 'Li Du', 'orcid': 'https://orcid.org/0000-0003-2394-0727'}, 'institutions': [{'id': 'https://openalex.org/I90610280', 'display_name': 'South China University of Technology', 'ror': 'https://ror.org/0530pts50', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I90610280']}, {'id': 'https://openalex.org/I111979921', 'display_name': 'Northwestern University', 'ror': 'https://ror.org/000e0be47', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I111979921']}, {'id': 'https://openalex.org/I161318765', 'display_name': 'University of California, Los Angeles', 'ror': 'https://ror.org/046rm7j60', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I161318765']}], 'countries': ['CN', 'US'], 'is_corresponding': False, 'raw_author_name': 'Li Du', 'raw_affiliation_strings': ['Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, China 510640, and Department of Chemistry, Northwestern University, Evanston, Illinois 60208'], 'affiliations': [{'raw_affiliation_string': 'Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, China 510640, and Department of Chemistry, Northwestern University, Evanston, Illinois 60208', 'institution_ids': ['https://openalex.org/I90610280', 'https://openalex.org/I111979921', 'https://openalex.org/I161318765']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5086739878', 'display_name': 'Shijun Liao', 'orcid': 'https://orcid.org/0000-0003-2481-0377'}, 'institutions': [{'id': 'https://openalex.org/I90610280', 'display_name': 'South China University of Technology', 'ror': 'https://ror.org/0530pts50', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I90610280']}, {'id': 'https://openalex.org/I111979921', 'display_name': 'Northwestern University', 'ror': 'https://ror.org/000e0be47', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I111979921']}, {'id': 'https://openalex.org/I161318765', 'display_name': 'University of California, Los Angeles', 'ror': 'https://ror.org/046rm7j60', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I161318765']}], 'countries': ['CN', 'US'], 'is_corresponding': False, 'raw_author_name': 'Shijun Liao', 'raw_affiliation_strings': ['Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, China 510640, and Department of Chemistry, Northwestern University, Evanston, Illinois 60208'], 'affiliations': [{'raw_affiliation_string': 'Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, China 510640, and Department of Chemistry, Northwestern University, Evanston, Illinois 60208', 'institution_ids': ['https://openalex.org/I90610280', 'https://openalex.org/I111979921', 'https://openalex.org/I161318765']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5103522470', 'display_name': 'Hussam A. Khatib', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I90610280', 'display_name': 'South China University of Technology', 'ror': 'https://ror.org/0530pts50', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I90610280']}, {'id': 'https://openalex.org/I111979921', 'display_name': 'Northwestern University', 'ror': 'https://ror.org/000e0be47', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I111979921']}, {'id': 'https://openalex.org/I161318765', 'display_name': 'University of California, Los Angeles', 'ror': 'https://ror.org/046rm7j60', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I161318765']}], 'countries': ['CN', 'US'], 'is_corresponding': False, 'raw_author_name': 'Hussam A. Khatib', 'raw_affiliation_strings': ['Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, China 510640, and Department of Chemistry, Northwestern University, Evanston, Illinois 60208'], 'affiliations': [{'raw_affiliation_string': 'Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, China 510640, and Department of Chemistry, Northwestern University, Evanston, Illinois 60208', 'institution_ids': ['https://openalex.org/I90610280', 'https://openalex.org/I111979921', 'https://openalex.org/I161318765']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5027688873', 'display_name': 'J. Fraser Stoddart', 'orcid': 'https://orcid.org/0000-0003-3161-3697'}, 'institutions': [{'id': 'https://openalex.org/I90610280', 'display_name': 'South China University of Technology', 'ror': 'https://ror.org/0530pts50', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I90610280']}, {'id': 'https://openalex.org/I111979921', 'display_name': 'Northwestern University', 'ror': 'https://ror.org/000e0be47', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I111979921']}, {'id': 'https://openalex.org/I161318765', 'display_name': 'University of California, Los Angeles', 'ror': 'https://ror.org/046rm7j60', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I161318765']}], 'countries': ['CN', 'US'], 'is_corresponding': False, 'raw_author_name': 'J. Fraser Stoddart', 'raw_affiliation_strings': ['Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, China 510640, and Department of Chemistry, Northwestern University, Evanston, Illinois 60208'], 'affiliations': [{'raw_affiliation_string': 'Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, China 510640, and Department of Chemistry, Northwestern University, Evanston, Illinois 60208', 'institution_ids': ['https://openalex.org/I90610280', 'https://openalex.org/I111979921', 'https://openalex.org/I161318765']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5045784662', 'display_name': 'Jeffrey I. Zink', 'orcid': 'https://orcid.org/0000-0002-9792-4976'}, 'institutions': [{'id': 'https://openalex.org/I90610280', 'display_name': 'South China University of Technology', 'ror': 'https://ror.org/0530pts50', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I90610280']}, {'id': 'https://openalex.org/I111979921', 'display_name': 'Northwestern University', 'ror': 'https://ror.org/000e0be47', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I111979921']}, {'id': 'https://openalex.org/I161318765', 'display_name': 'University of California, Los Angeles', 'ror': 'https://ror.org/046rm7j60', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I161318765']}], 'countries': ['CN', 'US'], 'is_corresponding': False, 'raw_author_name': 'Jeffrey I. Zink', 'raw_affiliation_strings': ['Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, China 510640, and Department of Chemistry, Northwestern University, Evanston, Illinois 60208'], 'affiliations': [{'raw_affiliation_string': 'Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, China 510640, and Department of Chemistry, Northwestern University, Evanston, Illinois 60208', 'institution_ids': ['https://openalex.org/I90610280', 'https://openalex.org/I111979921', 'https://openalex.org/I161318765']}]}], 'institution_assertions': [], 'countries_distinct_count': 2, 'institutions_distinct_count': 3, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 13.346, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 281, 'citation_normalized_percentile': {'value': 0.923103, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 99, 'max': 100}, 'biblio': {'volume': '131', 'issue': '42', 'first_page': '15136', 'last_page': '15142'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10735', 'display_name': 'Mesoporous Materials and Catalysis', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/2505', 'display_name': 'Materials Chemistry'}, 'field': {'id': 'https://openalex.org/fields/25', 'display_name': 'Materials Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10735', 'display_name': 'Mesoporous Materials and Catalysis', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/2505', 'display_name': 'Materials Chemistry'}, 'field': {'id': 'https://openalex.org/fields/25', 'display_name': 'Materials Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T11419', 'display_name': 'Supramolecular Self-Assembly in Materials', 'score': 0.9993, 'subfield': {'id': 'https://openalex.org/subfields/2502', 'display_name': 'Biomaterials'}, 'field': {'id': 'https://openalex.org/fields/25', 'display_name': 'Materials Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T10903', 'display_name': 'Porphyrin and Phthalocyanine Chemistry', 'score': 0.9992, 'subfield': {'id': 'https://openalex.org/subfields/2505', 'display_name': 'Materials Chemistry'}, 'field': {'id': 'https://openalex.org/fields/25', 'display_name': 'Materials Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/stalk', 'display_name': 'Stalk', 'score': 0.76160777}, {'id': 'https://openalex.org/keywords/nanopore', 'display_name': 'Nanopore', 'score': 0.6105566}, {'id': 'https://openalex.org/keywords/linker', 'display_name': 'Linker', 'score': 0.53133714}], 'concepts': [{'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.849512}, {'id': 'https://openalex.org/C2779560860', 'wikidata': 'https://www.wikidata.org/wiki/Q17103642', 'display_name': 'Stalk', 'level': 2, 'score': 0.76160777}, {'id': 'https://openalex.org/C2777496208', 'wikidata': 'https://www.wikidata.org/wiki/Q17156473', 'display_name': 'Mesoporous silica', 'level': 4, 'score': 0.73682153}, {'id': 'https://openalex.org/C32909587', 'wikidata': 'https://www.wikidata.org/wiki/Q11369', 'display_name': 'Molecule', 'level': 2, 'score': 0.6665805}, {'id': 'https://openalex.org/C141795571', 'wikidata': 'https://www.wikidata.org/wiki/Q580942', 'display_name': 'Nanopore', 'level': 2, 'score': 0.6105566}, {'id': 'https://openalex.org/C155672457', 'wikidata': 'https://www.wikidata.org/wiki/Q61231', 'display_name': 'Nanoparticle', 'level': 2, 'score': 0.60150576}, {'id': 'https://openalex.org/C82776694', 'wikidata': 'https://www.wikidata.org/wiki/Q380049', 'display_name': 'Mesoporous material', 'level': 3, 'score': 0.54548836}, {'id': 'https://openalex.org/C2780557392', 'wikidata': 'https://www.wikidata.org/wiki/Q523796', 'display_name': 'Linker', 'level': 2, 'score': 0.53133714}, {'id': 'https://openalex.org/C30095370', 'wikidata': 'https://www.wikidata.org/wiki/Q899488', 'display_name': 'Protonation', 'level': 3, 'score': 0.52529866}, {'id': 'https://openalex.org/C93275456', 'wikidata': 'https://www.wikidata.org/wiki/Q756449', 'display_name': 'Supramolecular chemistry', 'level': 3, 'score': 0.5173468}, {'id': 'https://openalex.org/C112887158', 'wikidata': 'https://www.wikidata.org/wiki/Q169324', 'display_name': 'Hydrogen bond', 'level': 3, 'score': 0.42900133}, {'id': 'https://openalex.org/C2779433975', 'wikidata': 'https://www.wikidata.org/wiki/Q40417805', 'display_name': 'Cyclodextrin', 'level': 2, 'score': 0.42691112}, {'id': 'https://openalex.org/C42360764', 'wikidata': 'https://www.wikidata.org/wiki/Q83588', 'display_name': 'Chemical engineering', 'level': 1, 'score': 0.41390276}, {'id': 'https://openalex.org/C171250308', 'wikidata': 'https://www.wikidata.org/wiki/Q11468', 'display_name': 'Nanotechnology', 'level': 1, 'score': 0.35476047}, {'id': 'https://openalex.org/C178790620', 'wikidata': 'https://www.wikidata.org/wiki/Q11351', 'display_name': 'Organic chemistry', 'level': 1, 'score': 0.18558025}, {'id': 'https://openalex.org/C192562407', 'wikidata': 'https://www.wikidata.org/wiki/Q228736', 'display_name': 'Materials science', 'level': 0, 'score': 0.09191066}, {'id': 'https://openalex.org/C127413603', 'wikidata': 'https://www.wikidata.org/wiki/Q11023', 'display_name': 'Engineering', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C111919701', 'wikidata': 'https://www.wikidata.org/wiki/Q9135', 'display_name': 'Operating system', '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}, {'id': 'https://openalex.org/C145148216', 'wikidata': 'https://www.wikidata.org/wiki/Q36496', 'display_name': 'Ion', 'level': 2, 'score': 0.0}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C144027150', 'wikidata': 'https://www.wikidata.org/wiki/Q48803', 'display_name': 'Horticulture', 'level': 1, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D053758', 'descriptor_name': 'Nanoparticles', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': True}, {'descriptor_ui': 'D012822', 'descriptor_name': 'Silicon Dioxide', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': True}, {'descriptor_ui': 'D006863', 'descriptor_name': 'Hydrogen-Ion Concentration', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D046529', 'descriptor_name': 'Microscopy, Electron, Transmission', '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': 'D053758', 'descriptor_name': 'Nanoparticles', 'qualifier_ui': 'Q000648', 'qualifier_name': 'ultrastructure', 'is_major_topic': False}, {'descriptor_ui': 'D053758', 'descriptor_name': 'Nanoparticles', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012822', 'descriptor_name': 'Silicon Dioxide', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D047391', 'descriptor_name': 'alpha-Cyclodextrins', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': False}, {'descriptor_ui': 'D047391', 'descriptor_name': 'alpha-Cyclodextrins', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1021/ja904982j', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S111155417', 'display_name': 'Journal of the American Chemical Society', 'issn_l': '0002-7863', 'issn': ['0002-7863', '1520-5126', '1943-2984'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320006', 'host_organization_name': 'American Chemical Society', 'host_organization_lineage': ['https://openalex.org/P4310320006'], 'host_organization_lineage_names': ['American Chemical Society'], '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/19799420', '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': [{'score': 0.49, 'display_name': 'Life below water', 'id': 'https://metadata.un.org/sdg/14'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 62, 'referenced_works': ['https://openalex.org/W1965807911', 'https://openalex.org/W1967949553', 'https://openalex.org/W1969036065', 'https://openalex.org/W1970585236', 'https://openalex.org/W1975145454', 'https://openalex.org/W1976893205', 'https://openalex.org/W1979125559', 'https://openalex.org/W1984608558', 'https://openalex.org/W1990277707', 'https://openalex.org/W1993044435', 'https://openalex.org/W1994317508', 'https://openalex.org/W1994494286', 'https://openalex.org/W1995864681', 'https://openalex.org/W1997158083', 'https://openalex.org/W2002109048', 'https://openalex.org/W2004602103', 'https://openalex.org/W2015295070', 'https://openalex.org/W2016891820', 'https://openalex.org/W2017653410', 'https://openalex.org/W2018762214', 'https://openalex.org/W2030801735', 'https://openalex.org/W2038818975', 'https://openalex.org/W2039764769', 'https://openalex.org/W2047609519', 'https://openalex.org/W2048939368', 'https://openalex.org/W2050644557', 'https://openalex.org/W2054102991', 'https://openalex.org/W2055848287', 'https://openalex.org/W2057944577', 'https://openalex.org/W2058133022', 'https://openalex.org/W2058369545', 'https://openalex.org/W2061808270', 'https://openalex.org/W2070517548', 'https://openalex.org/W2073341588', 'https://openalex.org/W2074246579', 'https://openalex.org/W2075323774', 'https://openalex.org/W2075513979', 'https://openalex.org/W2075861553', 'https://openalex.org/W2080851180', 'https://openalex.org/W2082650907', 'https://openalex.org/W2085638225', 'https://openalex.org/W2085699552', 'https://openalex.org/W2085929590', 'https://openalex.org/W2090842999', 'https://openalex.org/W2093932620', 'https://openalex.org/W2094558190', 'https://openalex.org/W2104009735', 'https://openalex.org/W2104010638', 'https://openalex.org/W2108190197', 'https://openalex.org/W2123163941', 'https://openalex.org/W2128235529', 'https://openalex.org/W2131532924', 'https://openalex.org/W2133419397', 'https://openalex.org/W2137969025', 'https://openalex.org/W2149014745', 'https://openalex.org/W2149183402', 'https://openalex.org/W2150060017', 'https://openalex.org/W2151366839', 'https://openalex.org/W2158875201', 'https://openalex.org/W2164552746', 'https://openalex.org/W226179412', 'https://openalex.org/W4233307202'], 'related_works': ['https://openalex.org/W2978566279', 'https://openalex.org/W2375518163', 'https://openalex.org/W2366167166', 'https://openalex.org/W2358541937', 'https://openalex.org/W2354260989', 'https://openalex.org/W2348011797', 'https://openalex.org/W2095194582', 'https://openalex.org/W2031530421', 'https://openalex.org/W1983350943', 'https://openalex.org/W1860183715'], 'abstract_inverted_index': {'A': [0], 'new': [1], 'category': [2], 'of': [3, 7, 42, 74, 110, 122, 126, 151, 161, 177, 187], 'mechanized': [4], 'nanoparticles,': [5], 'consisting': [6], 'a': [8, 16, 25], 'hollow': [9, 120], 'mesoporous': [10, 163], 'silica': [11, 164], 'spherical': [12], 'framework': [13], 'controlled': [14], 'by': [15], 'supramolecular': [17], 'system': [18], 'containing': [19], 'the': [20, 31, 35, 43, 47, 53, 60, 72, 75, 82, 86, 92, 97, 104, 117, 123, 127, 134, 140, 144, 185], 'alpha-cyclodextrin': [21], '(alpha-CD)': [22], 'ring': [23, 88], 'on': [24, 34, 46, 71, 184], 'stalk': [26, 56, 93, 179], 'that': [27, 68, 78, 113], 'is': [28, 37, 57, 69, 79, 89, 101, 170, 192], 'tethered': [29], 'to': [30, 59, 81, 137, 147, 159], 'pore': [32, 83, 105], 'openings': [33], 'nanosphere,': [36], 'synthesized': [38], 'and': [39, 52, 63, 119, 142, 181], 'tested.': [40], 'Construction': [41], 'nanovalve': [44, 156], 'relies': [45], 'hydrogen-bonding': [48], 'interaction': [49], 'between': [50], 'alpha-CD': [51, 87, 141], 'stalk.': [54], 'The': [55, 149, 166, 175], 'bonded': [58], 'nanoparticle': [61], 'chemically': [62], 'contains': [64], 'an': [65], 'anilino': [66], 'group': [67], 'located': [70, 102], 'end': [73], 'linker': [76], 'molecule': [77], 'closest': [80], 'entrance.': [84], 'When': [85], 'complexed': [90], 'with': [91], 'at': [94, 130], 'neutral': [95], 'pH,': [96], 'bulky': [98], 'cyclic': [99], 'component': [100], 'near': [103], 'openings,': [106], 'thereby': [107], 'blocking': [108], 'departure': [109], 'cargo': [111, 145, 190], 'molecules': [112, 146, 191], 'were': [114], 'loaded': [115], 'in': [116], 'nanopores': [118], 'interior': [121], 'particle.': [124], 'Protonation': [125], 'nitrogen': [128], 'atoms': [129], 'lower': [131], 'pH': [132, 182], 'causes': [133], 'binding': [135], 'affinity': [136], 'decrease,': [138], 'releasing': [139], 'allowing': [143], 'escape.': [148], 'properties': [150], 'this': [152], 'newly': [153], 'designed': [154], 'pH-responsive': [155], 'are': [157], 'compared': [158], 'those': [160], 'conventional': [162], 'nanoparticles.': [165], 'on-command': [167], 'pH-activated': [168], 'release': [169, 186], 'measured': [171], 'using': [172], 'luminescence': [173], 'spectroscopy.': [174], 'effect': [176], 'different': [178], 'lengths': [180], 'conditions': [183], 'fluorescent': [188], 'dye': [189], 'measured.': [193]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2059932608', 'counts_by_year': [{'year': 2024, 'cited_by_count': 5}, {'year': 2023, 'cited_by_count': 4}, {'year': 2022, 'cited_by_count': 2}, {'year': 2021, 'cited_by_count': 6}, {'year': 2020, 'cited_by_count': 4}, {'year': 2019, 'cited_by_count': 10}, {'year': 2018, 'cited_by_count': 17}, {'year': 2017, 'cited_by_count': 21}, {'year': 2016, 'cited_by_count': 26}, {'year': 2015, 'cited_by_count': 25}, {'year': 2014, 'cited_by_count': 34}, {'year': 2013, 'cited_by_count': 33}, {'year': 2012, 'cited_by_count': 33}], 'updated_date': '2025-01-09T01:38:56.096877', 'created_date': '2016-06-24'}