{"id":"https://openalex.org/W1973746093","doi":"https://doi.org/10.1016/j.apcbee.2014.01.034","title":"Rheological and Swelling Behavior of pH Sensitive Hydrogel Particles","display_name":"Rheological and Swelling Behavior of pH Sensitive Hydrogel Particles","publication_year":2014,"publication_date":"2014-01-01","ids":{"openalex":"https://openalex.org/W1973746093","doi":"https://doi.org/10.1016/j.apcbee.2014.01.034","mag":"1973746093"},"language":"en","primary_location":{"id":"doi:10.1016/j.apcbee.2014.01.034","doi":"https://doi.org/10.1016/j.apcbee.2014.01.034","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.apcbee.2014.01.034","pdf_url":"https://www.sciencedirect.com/science/article/pii/S2212670814000359/pdf","source":{"id":"https://openalex.org/S2898241109","display_name":"APCBEE Procedia","issn_l":"2212-6708","issn":["2212-6708"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"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":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"APCBEE Procedia","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://www.sciencedirect.com/science/article/pii/S2212670814000359/pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5000042096","display_name":"Lomas Kumar Tomar","orcid":"https://orcid.org/0000-0002-9078-6419","observed_orcids":["https://orcid.org/0000-0002-9078-6419"]},"institutions":[{"id":"https://openalex.org/I192619145","display_name":"University of the Witwatersrand","ror":"https://ror.org/03rp50x72","country_code":"ZA","type":"education","lineage":["https://openalex.org/I192619145"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Lomas K. Tomar","raw_affiliation_strings":["University of the Witwatersrand, Faculty of Health Sciences, Department of Pharmacy and Pharmacology, 7 York Road, Parktown 2193, Johannesburg, South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of the Witwatersrand, Faculty of Health Sciences, Department of Pharmacy and Pharmacology, 7 York Road, Parktown 2193, Johannesburg, South Africa","institution_ids":["https://openalex.org/I192619145"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024519007","display_name":"Charu Tyagi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I192619145","display_name":"University of the Witwatersrand","ror":"https://ror.org/03rp50x72","country_code":"ZA","type":"education","lineage":["https://openalex.org/I192619145"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Charu Tyagi","raw_affiliation_strings":["University of the Witwatersrand, Faculty of Health Sciences, Department of Pharmacy and Pharmacology, 7 York Road, Parktown 2193, Johannesburg, South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of the Witwatersrand, Faculty of Health Sciences, Department of Pharmacy and Pharmacology, 7 York Road, Parktown 2193, Johannesburg, South Africa","institution_ids":["https://openalex.org/I192619145"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003185613","display_name":"Yahya Essop Choonara","orcid":"https://orcid.org/0000-0002-3889-1529","observed_orcids":["https://orcid.org/0000-0002-3889-1529"]},"institutions":[{"id":"https://openalex.org/I192619145","display_name":"University of the Witwatersrand","ror":"https://ror.org/03rp50x72","country_code":"ZA","type":"education","lineage":["https://openalex.org/I192619145"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Yahya E. Choonara","raw_affiliation_strings":["University of the Witwatersrand, Faculty of Health Sciences, Department of Pharmacy and Pharmacology, 7 York Road, Parktown 2193, Johannesburg, South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of the Witwatersrand, Faculty of Health Sciences, Department of Pharmacy and Pharmacology, 7 York Road, Parktown 2193, Johannesburg, South Africa","institution_ids":["https://openalex.org/I192619145"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100755840","display_name":"Pradeep Kumar","orcid":"https://orcid.org/0000-0002-8640-4350","observed_orcids":["https://orcid.org/0000-0002-8640-4350","https://orcid.org/0000-0003-4125-1191"]},"institutions":[{"id":"https://openalex.org/I192619145","display_name":"University of the Witwatersrand","ror":"https://ror.org/03rp50x72","country_code":"ZA","type":"education","lineage":["https://openalex.org/I192619145"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Pradeep Kumar","raw_affiliation_strings":["University of the Witwatersrand, Faculty of Health Sciences, Department of Pharmacy and Pharmacology, 7 York Road, Parktown 2193, Johannesburg, South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of the Witwatersrand, Faculty of Health Sciences, Department of Pharmacy and Pharmacology, 7 York Road, Parktown 2193, Johannesburg, South Africa","institution_ids":["https://openalex.org/I192619145"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5047605857","display_name":"Viness Pillay","orcid":"https://orcid.org/0000-0002-8119-3347","observed_orcids":["https://orcid.org/0000-0002-8119-3347"]},"institutions":[{"id":"https://openalex.org/I192619145","display_name":"University of the Witwatersrand","ror":"https://ror.org/03rp50x72","country_code":"ZA","type":"education","lineage":["https://openalex.org/I192619145"]}],"countries":["ZA"],"is_corresponding":true,"raw_author_name":"Viness Pillay","raw_affiliation_strings":["University of the Witwatersrand, Faculty of Health Sciences, Department of Pharmacy and Pharmacology, 7 York Road, Parktown 2193, Johannesburg, South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of the Witwatersrand, Faculty of Health Sciences, Department of Pharmacy and Pharmacology, 7 York Road, Parktown 2193, Johannesburg, South Africa","institution_ids":["https://openalex.org/I192619145"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5047605857"],"corresponding_institution_ids":["https://openalex.org/I192619145"],"apc_list":null,"apc_paid":null,"fwci":0.4415,"has_fulltext":true,"cited_by_count":20,"citation_normalized_percentile":{"value":0.50339657,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"9","issue":null,"first_page":"192","last_page":"196"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10343","display_name":"Hydrogels: synthesis, properties, applications","score":0.9980000257492065,"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"}},"topics":[{"id":"https://openalex.org/T10343","display_name":"Hydrogels: synthesis, properties, applications","score":0.9980000257492065,"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/T12192","display_name":"Polysaccharides Composition and Applications","score":0.000699999975040555,"subfield":{"id":"https://openalex.org/subfields/1106","display_name":"Food Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10920","display_name":"Advanced Drug Delivery Systems","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/3003","display_name":"Pharmaceutical Science"},"field":{"id":"https://openalex.org/fields/30","display_name":"Pharmacology, Toxicology and Pharmaceutics"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/ph-sensitive-hydrogels","display_name":"pH-responsive hydrogels","score":0.9279999732971191},{"id":"https://openalex.org/keywords/hydrogel-particles","display_name":"hydrogel particles","score":0.9919999837875366},{"id":"https://openalex.org/keywords/rheological-properties","display_name":"rheological properties","score":0.6240000128746033},{"id":"https://openalex.org/keywords/swelling-behavior","display_name":"swelling behavior","score":0.8769999742507935},{"id":"https://openalex.org/keywords/linear-viscoelasticity","display_name":"linear viscoelasticity","score":0.8999999761581421},{"id":"https://openalex.org/keywords/storage-modulus","display_name":"storage modulus","score":0.9919999837875366},{"id":"https://openalex.org/keywords/loss-modulus","display_name":"loss modulus","score":1.0},{"id":"https://openalex.org/keywords/surface-morphology","display_name":"surface morphology","score":0.7950000166893005}],"concepts":[{"id":"https://openalex.org/C2778540859","wikidata":"https://www.wikidata.org/wiki/Q152234","display_name":"Swelling","level":2,"score":0.8727858662605286},{"id":"https://openalex.org/C200990466","wikidata":"https://www.wikidata.org/wiki/Q271707","display_name":"Rheology","level":2,"score":0.7900428771972656},{"id":"https://openalex.org/C108586683","wikidata":"https://www.wikidata.org/wiki/Q17164826","display_name":"Self-healing hydrogels","level":2,"score":0.7725497484207153},{"id":"https://openalex.org/C7055690","wikidata":"https://www.wikidata.org/wiki/Q900639","display_name":"Dynamic mechanical analysis","level":3,"score":0.7238357067108154},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.7234252691268921},{"id":"https://openalex.org/C186541917","wikidata":"https://www.wikidata.org/wiki/Q910483","display_name":"Viscoelasticity","level":2,"score":0.703718900680542},{"id":"https://openalex.org/C191204318","wikidata":"https://www.wikidata.org/wiki/Q246574","display_name":"Dynamic modulus","level":4,"score":0.6611011624336243},{"id":"https://openalex.org/C193867417","wikidata":"https://www.wikidata.org/wiki/Q6889814","display_name":"Modulus","level":2,"score":0.5022478103637695},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.5005607604980469},{"id":"https://openalex.org/C26771246","wikidata":"https://www.wikidata.org/wiki/Q321095","display_name":"Scanning electron microscope","level":2,"score":0.46971574425697327},{"id":"https://openalex.org/C180145272","wikidata":"https://www.wikidata.org/wiki/Q7504144","display_name":"Shrinkage","level":2,"score":0.45649778842926025},{"id":"https://openalex.org/C43486711","wikidata":"https://www.wikidata.org/wiki/Q192005","display_name":"Elastic modulus","level":2,"score":0.4228413999080658},{"id":"https://openalex.org/C42360764","wikidata":"https://www.wikidata.org/wiki/Q83588","display_name":"Chemical engineering","level":1,"score":0.3234909176826477},{"id":"https://openalex.org/C188027245","wikidata":"https://www.wikidata.org/wiki/Q750446","display_name":"Polymer chemistry","level":1,"score":0.1958054006099701},{"id":"https://openalex.org/C521977710","wikidata":"https://www.wikidata.org/wiki/Q81163","display_name":"Polymer","level":2,"score":0.08886006474494934},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/j.apcbee.2014.01.034","doi":"https://doi.org/10.1016/j.apcbee.2014.01.034","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.apcbee.2014.01.034","pdf_url":"https://www.sciencedirect.com/science/article/pii/S2212670814000359/pdf","source":{"id":"https://openalex.org/S2898241109","display_name":"APCBEE Procedia","issn_l":"2212-6708","issn":["2212-6708"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"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":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"APCBEE Procedia","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1016/j.apcbee.2014.01.034","doi":"https://doi.org/10.1016/j.apcbee.2014.01.034","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.apcbee.2014.01.034","pdf_url":"https://www.sciencedirect.com/science/article/pii/S2212670814000359/pdf","source":{"id":"https://openalex.org/S2898241109","display_name":"APCBEE Procedia","issn_l":"2212-6708","issn":["2212-6708"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"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":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"APCBEE Procedia","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320320671","display_name":"National Research Foundation","ror":"https://ror.org/05s0g1g46"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1973746093.pdf","grobid_xml":"https://content.openalex.org/works/W1973746093.grobid-xml"},"referenced_works_count":9,"referenced_works":["https://openalex.org/W2009765247","https://openalex.org/W2029426757","https://openalex.org/W2043395457","https://openalex.org/W2056363943","https://openalex.org/W2057402888","https://openalex.org/W2058538053","https://openalex.org/W2060205037","https://openalex.org/W2092360514","https://openalex.org/W2146839025"],"related_works":["https://openalex.org/W2055175621","https://openalex.org/W2785699396","https://openalex.org/W2898711033","https://openalex.org/W2021290563","https://openalex.org/W1993582576","https://openalex.org/W4220938832","https://openalex.org/W3131804173","https://openalex.org/W3007679755","https://openalex.org/W2371905889","https://openalex.org/W64685302"],"abstract_inverted_index":{"pH":[0,14,41,46,50,105,124],"sensitive":[1,51,125],"hydrogel":[2,55],"particles":[3],"were":[4,76,89],"characterized":[5],"for":[6],"their":[7],"rheological":[8,116],"and":[9,43,86],"swelling":[10],"behaviour":[11,52,126],"at":[12,36,40,45,91,103,112],"various":[13],"values":[15],"specific":[16],"to":[17,28,121],"the":[18,30,34,49,54,69,79,83,98,107,123],"gastrointestinal":[19],"tract":[20],"simulated":[21],"conditions.":[22],"Scanning":[23],"electron":[24],"microscopy":[25],"was":[26,62,95,101,110],"used":[27,120],"view":[29],"surface":[31],"morphology":[32],"of":[33,53,68,127],"hydrogels":[35],"different":[37],"pHs.":[38],"Swelling":[39],"7.4":[42],"shrinkage":[44],"1.2":[47],"confirmed":[48],"particles.":[56],"The":[57],"Linear":[58],"Viscoelastic":[59],"(LVE)":[60],"range":[61,81],"determined":[63,90],"by":[64],"considering":[65],"G\u2019,":[66],"one":[67],"strain":[70],"amplitude.":[71],"Furthermore":[72],"frequency":[73],"sweep":[74],"tests":[75],"performed":[77],"in":[78],"LVE":[80],"where":[82],"storage":[84,108],"modulus":[85,88,100,109],"loss":[87,99],"constant":[92],"strain.":[93],"It":[94],"observed":[96],"that":[97],"higher":[102,111],"basic":[104],"while":[106],"lower":[113],"pH.":[114],"This":[115],"method":[117],"can":[118],"be":[119],"explain":[122],"hydrogels.":[128]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1}],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}