{"id":"https://openalex.org/W2733919232","doi":"https://doi.org/10.3390/s17071563","title":"A Microfluidic pH Measurement Device with a Flowing Liquid Junction","display_name":"A Microfluidic pH Measurement Device with a Flowing Liquid Junction","publication_year":2017,"publication_date":"2017-07-04","ids":{"openalex":"https://openalex.org/W2733919232","doi":"https://doi.org/10.3390/s17071563","mag":"2733919232","pmid":"https://pubmed.ncbi.nlm.nih.gov/28677614"},"language":"en","primary_location":{"id":"doi:10.3390/s17071563","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s17071563","pdf_url":"https://www.mdpi.com/1424-8220/17/7/1563/pdf?version=1499154086","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/1424-8220/17/7/1563/pdf?version=1499154086","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5056448365","display_name":"Akira Yamada","orcid":"https://orcid.org/0000-0002-7047-8291"},"institutions":[{"id":"https://openalex.org/I190508380","display_name":"Aichi Institute of Technology","ror":"https://ror.org/02qsepw74","country_code":"JP","type":"education","lineage":["https://openalex.org/I190508380"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Akira Yamada","raw_affiliation_strings":["Department of Mechanical Engineering, Graduate School of Engineering, Aichi Institute of Technology, Toyota 470-0392, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, Graduate School of Engineering, Aichi Institute of Technology, Toyota 470-0392, Japan","institution_ids":["https://openalex.org/I190508380"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5011178432","display_name":"Miho Suzuki","orcid":"https://orcid.org/0000-0002-8882-6610"},"institutions":[{"id":"https://openalex.org/I190508380","display_name":"Aichi Institute of Technology","ror":"https://ror.org/02qsepw74","country_code":"JP","type":"education","lineage":["https://openalex.org/I190508380"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Miho Suzuki","raw_affiliation_strings":["Department of Mechanical Engineering, Graduate School of Engineering, Aichi Institute of Technology, Toyota 470-0392, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mechanical Engineering, Graduate School of Engineering, Aichi Institute of Technology, Toyota 470-0392, Japan","institution_ids":["https://openalex.org/I190508380"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5056448365"],"corresponding_institution_ids":["https://openalex.org/I190508380"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":1.5862,"has_fulltext":true,"cited_by_count":10,"citation_normalized_percentile":{"value":0.81523272,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"17","issue":"7","first_page":"1563","last_page":"1563"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11472","display_name":"Analytical Chemistry and Sensors","score":1.0,"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":1.0,"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/T10412","display_name":"Microfluidic and Capillary Electrophoresis Applications","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T11778","display_name":"Electrical and Bioimpedance Tomography","score":0.9955000281333923,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/isfet","display_name":"ISFET","score":0.9475526809692383},{"id":"https://openalex.org/keywords/reference-electrode","display_name":"Reference electrode","score":0.7139756679534912},{"id":"https://openalex.org/keywords/electrode","display_name":"Electrode","score":0.6795667409896851},{"id":"https://openalex.org/keywords/analytical-chemistry","display_name":"Analytical Chemistry (journal)","score":0.6363027691841125},{"id":"https://openalex.org/keywords/linearity","display_name":"Linearity","score":0.6325107216835022},{"id":"https://openalex.org/keywords/microfluidics","display_name":"Microfluidics","score":0.5231243968009949},{"id":"https://openalex.org/keywords/aqueous-solution","display_name":"Aqueous solution","score":0.5026023387908936},{"id":"https://openalex.org/keywords/system-of-measurement","display_name":"System of measurement","score":0.4828508496284485},{"id":"https://openalex.org/keywords/glass-electrode","display_name":"Glass electrode","score":0.4496968388557434},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.4415885806083679},{"id":"https://openalex.org/keywords/measuring-principle","display_name":"Measuring principle","score":0.43446996808052063},{"id":"https://openalex.org/keywords/buffer-solution","display_name":"Buffer solution","score":0.4335324466228485},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.4267323911190033},{"id":"https://openalex.org/keywords/field-effect-transistor","display_name":"Field-effect transistor","score":0.41760244965553284},{"id":"https://openalex.org/keywords/transistor","display_name":"Transistor","score":0.3477655053138733},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.31200653314590454},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.25334203243255615},{"id":"https://openalex.org/keywords/chromatography","display_name":"Chromatography","score":0.19522643089294434},{"id":"https://openalex.org/keywords/nanotechnology","display_name":"Nanotechnology","score":0.18343529105186462},{"id":"https://openalex.org/keywords/electrolyte","display_name":"Electrolyte","score":0.17876732349395752},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.11157152056694031},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07697409391403198}],"concepts":[{"id":"https://openalex.org/C154275363","wikidata":"https://www.wikidata.org/wiki/Q904133","display_name":"ISFET","level":5,"score":0.9475526809692383},{"id":"https://openalex.org/C40290423","wikidata":"https://www.wikidata.org/wiki/Q653954","display_name":"Reference electrode","level":4,"score":0.7139756679534912},{"id":"https://openalex.org/C17525397","wikidata":"https://www.wikidata.org/wiki/Q176140","display_name":"Electrode","level":2,"score":0.6795667409896851},{"id":"https://openalex.org/C113196181","wikidata":"https://www.wikidata.org/wiki/Q485223","display_name":"Analytical Chemistry (journal)","level":2,"score":0.6363027691841125},{"id":"https://openalex.org/C77170095","wikidata":"https://www.wikidata.org/wiki/Q1753188","display_name":"Linearity","level":2,"score":0.6325107216835022},{"id":"https://openalex.org/C8673954","wikidata":"https://www.wikidata.org/wiki/Q138845","display_name":"Microfluidics","level":2,"score":0.5231243968009949},{"id":"https://openalex.org/C184651966","wikidata":"https://www.wikidata.org/wiki/Q906356","display_name":"Aqueous solution","level":2,"score":0.5026023387908936},{"id":"https://openalex.org/C37649242","wikidata":"https://www.wikidata.org/wiki/Q932268","display_name":"System of measurement","level":2,"score":0.4828508496284485},{"id":"https://openalex.org/C182891698","wikidata":"https://www.wikidata.org/wiki/Q900867","display_name":"Glass electrode","level":5,"score":0.4496968388557434},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.4415885806083679},{"id":"https://openalex.org/C71928083","wikidata":"https://www.wikidata.org/wiki/Q1530469","display_name":"Measuring principle","level":2,"score":0.43446996808052063},{"id":"https://openalex.org/C2778117296","wikidata":"https://www.wikidata.org/wiki/Q208465","display_name":"Buffer solution","level":2,"score":0.4335324466228485},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.4267323911190033},{"id":"https://openalex.org/C145598152","wikidata":"https://www.wikidata.org/wiki/Q176097","display_name":"Field-effect transistor","level":4,"score":0.41760244965553284},{"id":"https://openalex.org/C172385210","wikidata":"https://www.wikidata.org/wiki/Q5339","display_name":"Transistor","level":3,"score":0.3477655053138733},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.31200653314590454},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.25334203243255615},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.19522643089294434},{"id":"https://openalex.org/C171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","level":1,"score":0.18343529105186462},{"id":"https://openalex.org/C68801617","wikidata":"https://www.wikidata.org/wiki/Q162908","display_name":"Electrolyte","level":3,"score":0.17876732349395752},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.11157152056694031},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07697409391403198},{"id":"https://openalex.org/C147789679","wikidata":"https://www.wikidata.org/wiki/Q11372","display_name":"Physical chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.3390/s17071563","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s17071563","pdf_url":"https://www.mdpi.com/1424-8220/17/7/1563/pdf?version=1499154086","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:28677614","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/28677614","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:695ef6896dc94648ac13971dc5b10a84","is_oa":true,"landing_page_url":"https://doaj.org/article/695ef6896dc94648ac13971dc5b10a84","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 17, Iss 7, p 1563 (2017)","raw_type":"article"},{"id":"pmh:oai:europepmc.org:4394218","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/5539610","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"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":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Text"},{"id":"pmh:oai:mdpi.com:/1424-8220/17/7/1563/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s17071563","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 17; Issue 7; Pages: 1563","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s17071563","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s17071563","pdf_url":"https://www.mdpi.com/1424-8220/17/7/1563/pdf?version=1499154086","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":[],"awards":[{"id":"https://openalex.org/G2445412020","display_name":"Cell monitoring system for the construction of three-dimensional organ in the tissue engineering","funder_award_id":"25820093","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"}],"funders":[{"id":"https://openalex.org/F4320322638","display_name":"Waseda University","ror":"https://ror.org/00ntfnx83"},{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2733919232.pdf","grobid_xml":"https://content.openalex.org/works/W2733919232.grobid-xml"},"referenced_works_count":22,"referenced_works":["https://openalex.org/W1968725636","https://openalex.org/W1987625028","https://openalex.org/W1989260605","https://openalex.org/W1989300020","https://openalex.org/W1990462490","https://openalex.org/W2032168109","https://openalex.org/W2034405171","https://openalex.org/W2043392251","https://openalex.org/W2083900083","https://openalex.org/W2088603482","https://openalex.org/W2119399232","https://openalex.org/W2124918094","https://openalex.org/W2128609649","https://openalex.org/W2161906274","https://openalex.org/W2170028754","https://openalex.org/W2225962751","https://openalex.org/W2315687802","https://openalex.org/W2318322911","https://openalex.org/W2331674987","https://openalex.org/W2576088330","https://openalex.org/W2610608724","https://openalex.org/W2611875282"],"related_works":["https://openalex.org/W2024535810","https://openalex.org/W2085579091","https://openalex.org/W2115995156","https://openalex.org/W1815969644","https://openalex.org/W2091228443","https://openalex.org/W3045601582","https://openalex.org/W4213354023","https://openalex.org/W2120425892","https://openalex.org/W2921061836","https://openalex.org/W3092019503"],"abstract_inverted_index":{"The":[0,31,74,137,163,171,189,213],"pH":[1,34,64,203],"values":[2],"of":[3,33,51,143,149,153,160,181,187,229],"aqueous":[4],"solutions":[5,53,194],"are":[6,106],"conventionally":[7],"measured":[8],"with":[9,24,36,54,79,85,183],"pH-sensitive":[10],"electrodes":[11,15,27],"such":[12],"as":[13,43,222],"glass":[14,45],"or":[16],"ion-sensitive":[17],"field-effect":[18],"transistors":[19],"(ISFETs)":[20],"used":[21],"in":[22,217,226],"conjunction":[23],"Ag/AgCl":[25,102],"reference":[26,104],"and":[28,71,82,100,120,140],"KCl":[29],"solutions.":[30],"speed":[32],"measurement":[35,65,115,148,158,190],"these":[37],"systems":[38],"can":[39],"be":[40],"deficient,":[41],"however,":[42],"the":[44,94,109,125,144,227],"electrode":[46,105],"responds":[47],"slowly":[48],"during":[49,135],"measurements":[50],"sample":[52,118,154],"low":[55],"buffering":[56],"capacities.":[57],"Our":[58],"group":[59],"has":[60,76],"constructed":[61],"a":[62,68,77,86,90,113,131,157,176,184],"new":[63,214],"system":[66],"using":[67],"microfluidic":[69],"device":[70,75,215],"ISFET":[72,98,145],"sensors.":[73],"channel":[78,92,110],"two":[80],"inlets":[81,126],"one":[83],"outlet,":[84],"junction":[87,134],"connected":[88],"to":[89,111],"Y-shaped":[91],"on":[93],"same":[95],"plane.":[96],"Two":[97],"sensors":[99,146],"an":[101,223],"pseudo":[103],"fitted":[107],"into":[108,124],"construct":[112],"differential":[114],"device.":[116],"A":[117],"solution":[119,122,155],"baseline":[121],"supplied":[123],"by":[127],"gravity-driven":[128],"pumps":[129],"form":[130],"flowing":[132],"liquid":[133],"measurement.":[136],"small":[138],"size":[139],"fast":[141],"response":[142,165],"enable":[147],"about":[150],"2.0":[151],"mL":[152],"over":[156],"period":[159],"120":[161],"s.":[162,170],"90%":[164],"time":[166],"is":[167],"within":[168],"2":[169],"calibrated":[172],"sensor":[173],"signal":[174],"exhibits":[175],"wide":[177],"range":[178],"(pH":[179],"1.68-10.0)":[180],"linearity":[182],"correlation":[185],"factor":[186],"0.9997.":[188],"error":[191,205],"for":[192],"all":[193],"tested,":[195],"including":[196],"diluted":[197],"solutions,":[198],"was":[199],"0.0343":[200],"\u00b1":[201,206],"0.0974":[202],"(average":[204],"standard":[207],"deviation":[208],"(S.D.),":[209],"n":[210],"=":[211],"42).":[212],"developed":[216],"this":[218],"research":[219],"will":[220],"serve":[221],"innovative":[224],"technology":[225],"field":[228],"potentiometry.":[230]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":2},{"year":2017,"cited_by_count":2}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}
