{"id":"https://openalex.org/W2124226250","doi":"https://doi.org/10.3390/s140713186","title":"A Large Response Range Reflectometric Urea Biosensor Made from Silica-Gel Nanoparticles","display_name":"A Large Response Range Reflectometric Urea Biosensor Made from Silica-Gel Nanoparticles","publication_year":2014,"publication_date":"2014-07-22","ids":{"openalex":"https://openalex.org/W2124226250","doi":"https://doi.org/10.3390/s140713186","mag":"2124226250","pmid":"https://pubmed.ncbi.nlm.nih.gov/25054632"},"language":"en","primary_location":{"id":"doi:10.3390/s140713186","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s140713186","pdf_url":"https://www.mdpi.com/1424-8220/14/7/13186/pdf?version=1406185328","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/14/7/13186/pdf?version=1406185328","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5089844462","display_name":"Muawia Alqasaimeh","orcid":null},"institutions":[{"id":"https://openalex.org/I885383172","display_name":"National University of Malaysia","ror":"https://ror.org/00bw8d226","country_code":"MY","type":"education","lineage":["https://openalex.org/I885383172"]}],"countries":["MY"],"is_corresponding":false,"raw_author_name":"Muawia Alqasaimeh","raw_affiliation_strings":["School of Chemical Sciences and Food Technology, Faculty of Science and Technology,  Universiti Kebangsaan Malaysia (UKM), 43600 Bangi, Selangor D.E., Malaysia","School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), 43600 Bangi, Selangor D.E., Malaysia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Chemical Sciences and Food Technology, Faculty of Science and Technology,  Universiti Kebangsaan Malaysia (UKM), 43600 Bangi, Selangor D.E., Malaysia","institution_ids":["https://openalex.org/I885383172"]},{"raw_affiliation_string":"School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), 43600 Bangi, Selangor D.E., Malaysia","institution_ids":["https://openalex.org/I885383172"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031383187","display_name":"Lee Yook Heng","orcid":"https://orcid.org/0000-0001-9843-9182"},"institutions":[{"id":"https://openalex.org/I885383172","display_name":"National University of Malaysia","ror":"https://ror.org/00bw8d226","country_code":"MY","type":"education","lineage":["https://openalex.org/I885383172"]}],"countries":["MY"],"is_corresponding":true,"raw_author_name":"Lee Heng","raw_affiliation_strings":["School of Chemical Sciences and Food Technology, Faculty of Science and Technology,  Universiti Kebangsaan Malaysia (UKM), 43600 Bangi, Selangor D.E., Malaysia","Southeast Asia Disaster Prevention Research Initiative (SEADPRI-UKM), LESTARI,  Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor D.E., Malaysia","School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), 43600 Bangi, Selangor D.E., Malaysia","Southeast Asia Disaster Prevention Research Initiative (SEADPRI-UKM), LESTARI, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor D.E., Malaysia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Chemical Sciences and Food Technology, Faculty of Science and Technology,  Universiti Kebangsaan Malaysia (UKM), 43600 Bangi, Selangor D.E., Malaysia","institution_ids":["https://openalex.org/I885383172"]},{"raw_affiliation_string":"Southeast Asia Disaster Prevention Research Initiative (SEADPRI-UKM), LESTARI,  Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor D.E., Malaysia","institution_ids":["https://openalex.org/I885383172"]},{"raw_affiliation_string":"School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), 43600 Bangi, Selangor D.E., Malaysia","institution_ids":["https://openalex.org/I885383172"]},{"raw_affiliation_string":"Southeast Asia Disaster Prevention Research Initiative (SEADPRI-UKM), LESTARI, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor D.E., Malaysia","institution_ids":["https://openalex.org/I885383172"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069611854","display_name":"Musa Ahmad","orcid":"https://orcid.org/0000-0002-8316-0151"},"institutions":[{"id":"https://openalex.org/I112982808","display_name":"Universiti Sains Islam Malaysia","ror":"https://ror.org/020ast312","country_code":"MY","type":"education","lineage":["https://openalex.org/I112982808"]}],"countries":["MY"],"is_corresponding":false,"raw_author_name":"Musa Ahmad","raw_affiliation_strings":["Industrial Chemical Technology Programme, Faculty of Science and Technology,  Universiti Sains Islam Malaysia, Bandar Baru Nilai, 71800 Nilai, Negeri Sembilan D.K.,  Malaysia","Industrial Chemical Technology Programme, Faculty of Science and Technology, Universiti Sains Islam Malaysia, Bandar Baru Nilai, 71800 Nilai, Negeri Sembilan D.K., Malaysia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Industrial Chemical Technology Programme, Faculty of Science and Technology,  Universiti Sains Islam Malaysia, Bandar Baru Nilai, 71800 Nilai, Negeri Sembilan D.K.,  Malaysia","institution_ids":["https://openalex.org/I112982808"]},{"raw_affiliation_string":"Industrial Chemical Technology Programme, Faculty of Science and Technology, Universiti Sains Islam Malaysia, Bandar Baru Nilai, 71800 Nilai, Negeri Sembilan D.K., Malaysia","institution_ids":["https://openalex.org/I112982808"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111416204","display_name":"Arjun Raj","orcid":null},"institutions":[{"id":"https://openalex.org/I4210130795","display_name":"Institute for Medical Research","ror":"https://ror.org/03bpc5f92","country_code":"MY","type":"facility","lineage":["https://openalex.org/I4210130795"]}],"countries":["MY"],"is_corresponding":false,"raw_author_name":"A.S. Raj","raw_affiliation_strings":["Electron Microscopy Unit, Institute for Medical Research, Jalan Pahang, 50588 Kuala Lumpur, Malaysia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electron Microscopy Unit, Institute for Medical Research, Jalan Pahang, 50588 Kuala Lumpur, Malaysia","institution_ids":["https://openalex.org/I4210130795"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5050838133","display_name":"Tan Ling Ling","orcid":null},"institutions":[{"id":"https://openalex.org/I885383172","display_name":"National University of Malaysia","ror":"https://ror.org/00bw8d226","country_code":"MY","type":"education","lineage":["https://openalex.org/I885383172"]}],"countries":["MY"],"is_corresponding":false,"raw_author_name":"Tan Ling","raw_affiliation_strings":["Southeast Asia Disaster Prevention Research Initiative (SEADPRI-UKM), LESTARI,  Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor D.E., Malaysia","Southeast Asia Disaster Prevention Research Initiative (SEADPRI-UKM), LESTARI, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor D.E., Malaysia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Southeast Asia Disaster Prevention Research Initiative (SEADPRI-UKM), LESTARI,  Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor D.E., Malaysia","institution_ids":["https://openalex.org/I885383172"]},{"raw_affiliation_string":"Southeast Asia Disaster Prevention Research Initiative (SEADPRI-UKM), LESTARI, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor D.E., Malaysia","institution_ids":["https://openalex.org/I885383172"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5031383187"],"corresponding_institution_ids":["https://openalex.org/I885383172"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":2.177,"has_fulltext":true,"cited_by_count":50,"citation_normalized_percentile":{"value":0.8593477,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"14","issue":"7","first_page":"13186","last_page":"13209"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11472","display_name":"Analytical Chemistry and Sensors","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1502","display_name":"Bioengineering"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11472","display_name":"Analytical Chemistry and Sensors","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1502","display_name":"Bioengineering"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10212","display_name":"Electrochemical sensors and biosensors","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10207","display_name":"Advanced biosensing and bioanalysis techniques","score":0.9984999895095825,"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/biosensor","display_name":"Biosensor","score":0.8820738792419434},{"id":"https://openalex.org/keywords/urease","display_name":"Urease","score":0.8103084564208984},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.7824615836143494},{"id":"https://openalex.org/keywords/urea","display_name":"Urea","score":0.7267781496047974},{"id":"https://openalex.org/keywords/detection-limit","display_name":"Detection limit","score":0.6508914232254028},{"id":"https://openalex.org/keywords/reagent","display_name":"Reagent","score":0.5666570067405701},{"id":"https://openalex.org/keywords/hydrolysis","display_name":"Hydrolysis","score":0.4688359797000885},{"id":"https://openalex.org/keywords/linear-range","display_name":"Linear range","score":0.4668567478656769},{"id":"https://openalex.org/keywords/inorganic-chemistry","display_name":"Inorganic chemistry","score":0.46179720759391785},{"id":"https://openalex.org/keywords/chromatography","display_name":"Chromatography","score":0.3801535964012146},{"id":"https://openalex.org/keywords/nuclear-chemistry","display_name":"Nuclear chemistry","score":0.36454713344573975},{"id":"https://openalex.org/keywords/organic-chemistry","display_name":"Organic chemistry","score":0.12221890687942505}],"concepts":[{"id":"https://openalex.org/C160756335","wikidata":"https://www.wikidata.org/wiki/Q669391","display_name":"Biosensor","level":2,"score":0.8820738792419434},{"id":"https://openalex.org/C2779521917","wikidata":"https://www.wikidata.org/wiki/Q22327086","display_name":"Urease","level":3,"score":0.8103084564208984},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.7824615836143494},{"id":"https://openalex.org/C2780365088","wikidata":"https://www.wikidata.org/wiki/Q48318","display_name":"Urea","level":2,"score":0.7267781496047974},{"id":"https://openalex.org/C119128265","wikidata":"https://www.wikidata.org/wiki/Q900165","display_name":"Detection limit","level":2,"score":0.6508914232254028},{"id":"https://openalex.org/C40875361","wikidata":"https://www.wikidata.org/wiki/Q2356542","display_name":"Reagent","level":2,"score":0.5666570067405701},{"id":"https://openalex.org/C94412978","wikidata":"https://www.wikidata.org/wiki/Q103135","display_name":"Hydrolysis","level":2,"score":0.4688359797000885},{"id":"https://openalex.org/C10349863","wikidata":"https://www.wikidata.org/wiki/Q6553497","display_name":"Linear range","level":3,"score":0.4668567478656769},{"id":"https://openalex.org/C179104552","wikidata":"https://www.wikidata.org/wiki/Q11165","display_name":"Inorganic chemistry","level":1,"score":0.46179720759391785},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.3801535964012146},{"id":"https://openalex.org/C13965031","wikidata":"https://www.wikidata.org/wiki/Q243545","display_name":"Nuclear chemistry","level":1,"score":0.36454713344573975},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.12221890687942505},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D001547","descriptor_name":"Benzaldehydes","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D001547","descriptor_name":"Benzaldehydes","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D001547","descriptor_name":"Benzaldehydes","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D004800","descriptor_name":"Enzymes, Immobilized","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D004800","descriptor_name":"Enzymes, Immobilized","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D004800","descriptor_name":"Enzymes, Immobilized","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006863","descriptor_name":"Hydrogen-Ion Concentration","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006863","descriptor_name":"Hydrogen-Ion Concentration","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006863","descriptor_name":"Hydrogen-Ion Concentration","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006868","descriptor_name":"Hydrolysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006868","descriptor_name":"Hydrolysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006868","descriptor_name":"Hydrolysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014159","descriptor_name":"Transducers","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014159","descriptor_name":"Transducers","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014159","descriptor_name":"Transducers","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014508","descriptor_name":"Urea","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D014508","descriptor_name":"Urea","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D014508","descriptor_name":"Urea","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D014510","descriptor_name":"Urease","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D014510","descriptor_name":"Urease","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D014510","descriptor_name":"Urease","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015374","descriptor_name":"Biosensing Techniques","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D015374","descriptor_name":"Biosensing Techniques","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D015374","descriptor_name":"Biosensing Techniques","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D053758","descriptor_name":"Nanoparticles","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D053758","descriptor_name":"Nanoparticles","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D053758","descriptor_name":"Nanoparticles","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D057230","descriptor_name":"Limit of Detection","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D057230","descriptor_name":"Limit of Detection","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D057230","descriptor_name":"Limit of Detection","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D058428","descriptor_name":"Silica Gel","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D058428","descriptor_name":"Silica Gel","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D058428","descriptor_name":"Silica Gel","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false}],"locations_count":5,"locations":[{"id":"doi:10.3390/s140713186","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s140713186","pdf_url":"https://www.mdpi.com/1424-8220/14/7/13186/pdf?version=1406185328","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},{"id":"pmid:25054632","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/25054632","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"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":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:doaj.org/article:b9756d3b0c0d4caca03fc8a00be8c2b5","is_oa":true,"landing_page_url":"https://doaj.org/article/b9756d3b0c0d4caca03fc8a00be8c2b5","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors, Vol 14, Iss 7, Pp 13186-13209 (2014)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1424-8220/14/7/13186/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s140713186","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors; Volume 14; Issue 7; Pages: 13186-13209","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:4168459","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/4168459","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"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":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors (Basel)","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s140713186","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s140713186","pdf_url":"https://www.mdpi.com/1424-8220/14/7/13186/pdf?version=1406185328","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.6100000143051147,"display_name":"Clean water and sanitation","id":"https://metadata.un.org/sdg/6"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321784","display_name":"Kementerian Sains, Teknologi dan Inovasi","ror":"https://ror.org/012s3r374"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2124226250.pdf","grobid_xml":"https://content.openalex.org/works/W2124226250.grobid-xml"},"referenced_works_count":80,"referenced_works":["https://openalex.org/W1963507226","https://openalex.org/W1966050432","https://openalex.org/W1967748986","https://openalex.org/W1971439895","https://openalex.org/W1972168152","https://openalex.org/W1972428054","https://openalex.org/W1973653762","https://openalex.org/W1975150349","https://openalex.org/W1975392619","https://openalex.org/W1979013925","https://openalex.org/W1980802031","https://openalex.org/W1985334436","https://openalex.org/W1986553886","https://openalex.org/W1986713998","https://openalex.org/W1990591017","https://openalex.org/W1994764464","https://openalex.org/W1996091789","https://openalex.org/W1997571289","https://openalex.org/W1999299349","https://openalex.org/W1999394980","https://openalex.org/W2001541421","https://openalex.org/W2003234782","https://openalex.org/W2005990475","https://openalex.org/W2008075817","https://openalex.org/W2009152483","https://openalex.org/W2016685172","https://openalex.org/W2018268521","https://openalex.org/W2019009433","https://openalex.org/W2019405087","https://openalex.org/W2021935487","https://openalex.org/W2023830095","https://openalex.org/W2024692309","https://openalex.org/W2026096911","https://openalex.org/W2026947537","https://openalex.org/W2028093918","https://openalex.org/W2031283538","https://openalex.org/W2032908674","https://openalex.org/W2033730246","https://openalex.org/W2034261692","https://openalex.org/W2034757707","https://openalex.org/W2038110493","https://openalex.org/W2038249871","https://openalex.org/W2041751139","https://openalex.org/W2043088348","https://openalex.org/W2045986715","https://openalex.org/W2048837903","https://openalex.org/W2050557622","https://openalex.org/W2051887444","https://openalex.org/W2052483779","https://openalex.org/W2053305057","https://openalex.org/W2054466037","https://openalex.org/W2059216618","https://openalex.org/W2062298522","https://openalex.org/W2063634486","https://openalex.org/W2064820658","https://openalex.org/W2072383752","https://openalex.org/W2074856230","https://openalex.org/W2077897931","https://openalex.org/W2078082011","https://openalex.org/W2078904118","https://openalex.org/W2081289996","https://openalex.org/W2084941804","https://openalex.org/W2085087566","https://openalex.org/W2088694705","https://openalex.org/W2092963126","https://openalex.org/W2093537273","https://openalex.org/W2099439711","https://openalex.org/W2107951133","https://openalex.org/W2112868316","https://openalex.org/W2128635872","https://openalex.org/W2131372489","https://openalex.org/W2134083415","https://openalex.org/W2146194886","https://openalex.org/W2166359116","https://openalex.org/W2171475324","https://openalex.org/W2579930890","https://openalex.org/W2953385083","https://openalex.org/W4285719527","https://openalex.org/W4293247451","https://openalex.org/W4382584504"],"related_works":["https://openalex.org/W2202059793","https://openalex.org/W2063161062","https://openalex.org/W2062182486","https://openalex.org/W2326031682","https://openalex.org/W2398248360","https://openalex.org/W2356506310","https://openalex.org/W2312883356","https://openalex.org/W2030941610","https://openalex.org/W2047966460","https://openalex.org/W2025976774"],"abstract_inverted_index":{"A":[0],"new":[1],"silica-gel":[2],"nanospheres":[3],"(SiO2NPs)":[4],"composition":[5],"was":[6,62,143],"formulated,":[7],"followed":[8],"by":[9,164],"biochemical":[10],"surface":[11],"functionalization":[12],"to":[13,104,114,225],"examine":[14],"its":[15],"potential":[16],"in":[17,48,180],"urea":[18,76,118,158,215,229],"biosensor":[19,102,140,159,172,216],"development.":[20],"The":[21,35,56,72,97,139,171,212],"SiO2NPs":[22,36,68],"were":[23,38,112],"basically":[24],"synthesized":[25],"based":[26,79,186],"on":[27,65,80,100,187],"sol-gel":[28],"chemistry":[29],"using":[30,177],"a":[31,89,121,132,183,196],"modified":[32,39],"Stober":[33],"method.":[34],"surfaces":[37],"with":[40,116,131,146,182],"amine":[41],"(-NH2)":[42],"functional":[43],"groups":[44],"for":[45],"urease":[46,74,111],"immobilization":[47],"the":[49,66,81,85,92,101,105,117,188,200],"presence":[50],"of":[51,84,91,95,109,125,135,148,190,210],"glutaric":[52],"acid":[53],"(GA)":[54],"cross-linker.":[55],"chromoionophore":[57,87],"pH-sensitive":[58],"dye":[59],"ETH":[60],"5294":[61],"physically":[63],"adsorbed":[64],"functionalized":[67],"as":[69,88],"pH":[70,98],"transducer.":[71],"immobilized":[73,86,110],"determined":[75],"concentration":[77],"reflectometrically":[78],"colour":[82],"change":[83],"result":[90],"enzymatic":[93],"hydrolysis":[94],"urea.":[96,138],"changes":[99],"due":[103],"catalytic":[106],"enzyme":[107],"reaction":[108],"found":[113],"correlate":[115],"concentrations":[119],"over":[120],"linear":[122,220],"response":[123,141,221],"range":[124,222],"50-500":[126],"mM":[127,137],"(R2":[128,204],"=":[129,205],"0.96)":[130],"detection":[133],"limit":[134],"10":[136],"time":[142],"9":[144],"min":[145],"reproducibility":[147],"less":[149],"than":[150],"10%":[151],"relative":[152],"standard":[153],"deviation":[154],"(RSD).":[155],"This":[156],"optical":[157,228],"did":[160],"not":[161],"show":[162],"interferences":[163],"Na+,":[165],"K+,":[166],"Mg2+":[167],"and":[168,194,207],"NH4+":[169],"ions.":[170],"performance":[173],"has":[174],"been":[175],"validated":[176],"urine":[178],"samples":[179],"comparison":[181],"non-enzymatic":[184],"method":[185],"use":[189],"p-dimethylaminobenzaldehyde":[191],"(DMAB)":[192],"reagent":[193],"demonstrated":[195],"good":[197],"correlation":[198],"between":[199],"two":[201],"different":[202],"methods":[203],"0.996":[206],"regression":[208],"slope":[209],"1.0307).":[211],"SiO2NPs-based":[213],"reflectometric":[214],"showed":[217],"improved":[218],"dynamic":[219],"when":[223],"compared":[224],"other":[226],"nanoparticle-based":[227],"biosensors.":[230]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":8},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":10},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":2}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}
