{"id":"https://openalex.org/W4401856338","doi":"https://doi.org/10.3390/s24165367","title":"The Development of a Novel Nitrate Portable Measurement System Based on a UV Paired Diode\u2013Photodiode","display_name":"The Development of a Novel Nitrate Portable Measurement System Based on a UV Paired Diode\u2013Photodiode","publication_year":2024,"publication_date":"2024-08-20","ids":{"openalex":"https://openalex.org/W4401856338","doi":"https://doi.org/10.3390/s24165367","pmid":"https://pubmed.ncbi.nlm.nih.gov/39205060"},"language":"en","primary_location":{"id":"doi:10.3390/s24165367","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s24165367","pdf_url":"https://www.mdpi.com/1424-8220/24/16/5367/pdf?version=1724139250","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/1424-8220/24/16/5367/pdf?version=1724139250","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5080753984","display_name":"Samuel Fernandes","orcid":"https://orcid.org/0000-0002-3537-9271"},"institutions":[{"id":"https://openalex.org/I21803372","display_name":"University of \u00c9vora","ror":"https://ror.org/02gyps716","country_code":"PT","type":"education","lineage":["https://openalex.org/I21803372"]}],"countries":["PT"],"is_corresponding":true,"raw_author_name":"Samuel Fernandes","raw_affiliation_strings":["Department of Mechatronics Engineering, School of Science and Technology, Universidade de \u00c9vora, 7000-671 \u00c9vora, Portugal","Instrumentation and Control Laboratory (ICL), Insititute of Earth Sciences (ICT), Universidade de \u00c9vora, 7000-671 \u00c9vora, Portugal"],"raw_orcid":"https://orcid.org/0000-0002-3537-9271","affiliations":[{"raw_affiliation_string":"Department of Mechatronics Engineering, School of Science and Technology, Universidade de \u00c9vora, 7000-671 \u00c9vora, Portugal","institution_ids":["https://openalex.org/I21803372"]},{"raw_affiliation_string":"Instrumentation and Control Laboratory (ICL), Insititute of Earth Sciences (ICT), Universidade de \u00c9vora, 7000-671 \u00c9vora, Portugal","institution_ids":["https://openalex.org/I21803372"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080592800","display_name":"Mouhaydine Tlem\u00e7ani","orcid":"https://orcid.org/0000-0001-8026-1988"},"institutions":[{"id":"https://openalex.org/I21803372","display_name":"University of \u00c9vora","ror":"https://ror.org/02gyps716","country_code":"PT","type":"education","lineage":["https://openalex.org/I21803372"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Mouhaydine Tlem\u00e7ani","raw_affiliation_strings":["Department of Mechatronics Engineering, School of Science and Technology, Universidade de \u00c9vora, 7000-671 \u00c9vora, Portugal","Instrumentation and Control Laboratory (ICL), Insititute of Earth Sciences (ICT), Universidade de \u00c9vora, 7000-671 \u00c9vora, Portugal"],"raw_orcid":"https://orcid.org/0000-0001-8026-1988","affiliations":[{"raw_affiliation_string":"Department of Mechatronics Engineering, School of Science and Technology, Universidade de \u00c9vora, 7000-671 \u00c9vora, Portugal","institution_ids":["https://openalex.org/I21803372"]},{"raw_affiliation_string":"Instrumentation and Control Laboratory (ICL), Insititute of Earth Sciences (ICT), Universidade de \u00c9vora, 7000-671 \u00c9vora, Portugal","institution_ids":["https://openalex.org/I21803372"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052435140","display_name":"Daniele Bortoli","orcid":"https://orcid.org/0000-0002-2334-4055"},"institutions":[{"id":"https://openalex.org/I21803372","display_name":"University of \u00c9vora","ror":"https://ror.org/02gyps716","country_code":"PT","type":"education","lineage":["https://openalex.org/I21803372"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Daniele Bortoli","raw_affiliation_strings":["Earth Remote Sensing Laboratory (EaRSLab), Institute of Earth Sciences (ICT), Universidade de \u00c9vora, 7000-671 \u00c9vora, Portugal","Instrumentation and Control Laboratory (ICL), Insititute of Earth Sciences (ICT), Universidade de \u00c9vora, 7000-671 \u00c9vora, Portugal","Physics Department, School of Science and Technology (ECT), Universidade de \u00c9vora, 7000-671 \u00c9vora, Portugal"],"raw_orcid":"https://orcid.org/0000-0002-2334-4055","affiliations":[{"raw_affiliation_string":"Earth Remote Sensing Laboratory (EaRSLab), Institute of Earth Sciences (ICT), Universidade de \u00c9vora, 7000-671 \u00c9vora, Portugal","institution_ids":["https://openalex.org/I21803372"]},{"raw_affiliation_string":"Instrumentation and Control Laboratory (ICL), Insititute of Earth Sciences (ICT), Universidade de \u00c9vora, 7000-671 \u00c9vora, Portugal","institution_ids":["https://openalex.org/I21803372"]},{"raw_affiliation_string":"Physics Department, School of Science and Technology (ECT), Universidade de \u00c9vora, 7000-671 \u00c9vora, Portugal","institution_ids":["https://openalex.org/I21803372"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067178954","display_name":"Manuel Feliciano","orcid":"https://orcid.org/0000-0002-3147-4511"},"institutions":[{"id":"https://openalex.org/I4210092303","display_name":"Polytechnic Institute of Bragan\u00e7a","ror":"https://ror.org/00prsav78","country_code":"PT","type":"education","lineage":["https://openalex.org/I4210092303"]}],"countries":["PT"],"is_corresponding":true,"raw_author_name":"Manuel Feliciano","raw_affiliation_strings":["Centro de Investiga\u00e7\u00e3o de Montanha (CIMO), Instituto Polit\u00e9cnico de Bragan\u00e7a, Campus de Santa Apol\u00f3nia, 5300-253 Bragan\u00e7a, Portugal","Laborat\u00f3rio Associado para a Sustentabilidade e Tecnologia em Regi\u00f5es de Montanha (SusTEC), Instituto Polit\u00e9cnico de Bragan\u00e7a, Campus de Santa Apol\u00f3nia, 5300-253 Bragan\u00e7a, Portugal"],"raw_orcid":"https://orcid.org/0000-0002-3147-4511","affiliations":[{"raw_affiliation_string":"Centro de Investiga\u00e7\u00e3o de Montanha (CIMO), Instituto Polit\u00e9cnico de Bragan\u00e7a, Campus de Santa Apol\u00f3nia, 5300-253 Bragan\u00e7a, Portugal","institution_ids":["https://openalex.org/I4210092303"]},{"raw_affiliation_string":"Laborat\u00f3rio Associado para a Sustentabilidade e Tecnologia em Regi\u00f5es de Montanha (SusTEC), Instituto Polit\u00e9cnico de Bragan\u00e7a, Campus de Santa Apol\u00f3nia, 5300-253 Bragan\u00e7a, Portugal","institution_ids":["https://openalex.org/I4210092303"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5060400609","display_name":"Maria Elmina Lopes","orcid":null},"institutions":[{"id":"https://openalex.org/I21803372","display_name":"University of \u00c9vora","ror":"https://ror.org/02gyps716","country_code":"PT","type":"education","lineage":["https://openalex.org/I21803372"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Maria Elmina Lopes","raw_affiliation_strings":["Department of Chemistry and Biochemistry, School of Science and Technology (ECT), Universidade de \u00c9vora, 7000-671 \u00c9vora, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry and Biochemistry, School of Science and Technology (ECT), Universidade de \u00c9vora, 7000-671 \u00c9vora, Portugal","institution_ids":["https://openalex.org/I21803372"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5067178954","https://openalex.org/A5080753984"],"corresponding_institution_ids":["https://openalex.org/I21803372","https://openalex.org/I4210092303"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":0.4548,"has_fulltext":true,"cited_by_count":3,"citation_normalized_percentile":{"value":0.58341423,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":97},"biblio":{"volume":"24","issue":"16","first_page":"5367","last_page":"5367"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11667","display_name":"Advanced Chemical Sensor Technologies","score":0.9958999752998352,"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"}},"topics":[{"id":"https://openalex.org/T11667","display_name":"Advanced Chemical Sensor Technologies","score":0.9958999752998352,"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/T14249","display_name":"Water Quality Monitoring and Analysis","score":0.9932000041007996,"subfield":{"id":"https://openalex.org/subfields/2311","display_name":"Industrial and Manufacturing Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11472","display_name":"Analytical Chemistry and Sensors","score":0.9853000044822693,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/photodiode","display_name":"Photodiode","score":0.9200199842453003},{"id":"https://openalex.org/keywords/diode","display_name":"Diode","score":0.6418598294258118},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.4974830448627472},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.4638192057609558},{"id":"https://openalex.org/keywords/nitrate","display_name":"Nitrate","score":0.43926411867141724},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.23566678166389465}],"concepts":[{"id":"https://openalex.org/C751236","wikidata":"https://www.wikidata.org/wiki/Q175943","display_name":"Photodiode","level":2,"score":0.9200199842453003},{"id":"https://openalex.org/C78434282","wikidata":"https://www.wikidata.org/wiki/Q11656","display_name":"Diode","level":2,"score":0.6418598294258118},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.4974830448627472},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.4638192057609558},{"id":"https://openalex.org/C2776384668","wikidata":"https://www.wikidata.org/wiki/Q182168","display_name":"Nitrate","level":2,"score":0.43926411867141724},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.23566678166389465},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":6,"locations":[{"id":"doi:10.3390/s24165367","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s24165367","pdf_url":"https://www.mdpi.com/1424-8220/24/16/5367/pdf?version=1724139250","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:39205060","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/39205060","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:pubmedcentral.nih.gov:11359284","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/11359284","pdf_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC11359284/pdf/sensors-24-05367.pdf","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"},{"id":"pmh:oai:doaj.org/article:14846466123d4c33a3a2a5080fa4b0ba","is_oa":false,"landing_page_url":"https://doaj.org/article/14846466123d4c33a3a2a5080fa4b0ba","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors, Vol 24, Iss 16, p 5367 (2024)","raw_type":"article"},{"id":"pmh:oai:dspace.uevora.pt:10174/40920","is_oa":true,"landing_page_url":"http://hdl.handle.net/10174/40920","pdf_url":null,"source":{"id":"https://openalex.org/S4306402433","display_name":"Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)","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":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"journal article"},{"id":"pmh:oai:mdpi.com:/1424-8220/24/16/5367/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s24165367","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","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s24165367","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s24165367","pdf_url":"https://www.mdpi.com/1424-8220/24/16/5367/pdf?version=1724139250","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/G2848869399","display_name":null,"funder_award_id":"ALT20-03-0247-FEDER-017659 BRO.CQ","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G3635866101","display_name":null,"funder_award_id":"UIDP/04683/2020","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G4236446690","display_name":null,"funder_award_id":"UIDB/04683/2020","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G6653839066","display_name":null,"funder_award_id":"PTDC/CTAMET/29678/2017","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"}],"funders":[{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4401856338.pdf","grobid_xml":"https://content.openalex.org/works/W4401856338.grobid-xml"},"referenced_works_count":49,"referenced_works":["https://openalex.org/W93050372","https://openalex.org/W1505000504","https://openalex.org/W1531260672","https://openalex.org/W1960794181","https://openalex.org/W1968506284","https://openalex.org/W2002153410","https://openalex.org/W2010242538","https://openalex.org/W2015166129","https://openalex.org/W2017264775","https://openalex.org/W2028503028","https://openalex.org/W2048832199","https://openalex.org/W2055957490","https://openalex.org/W2058835571","https://openalex.org/W2085533188","https://openalex.org/W2086616104","https://openalex.org/W2089686530","https://openalex.org/W2089894319","https://openalex.org/W2104956058","https://openalex.org/W2121694464","https://openalex.org/W2146016173","https://openalex.org/W2211363594","https://openalex.org/W2341159169","https://openalex.org/W2444550412","https://openalex.org/W2533542917","https://openalex.org/W2548514947","https://openalex.org/W2615400848","https://openalex.org/W2737497746","https://openalex.org/W2745219067","https://openalex.org/W2768682128","https://openalex.org/W2776281360","https://openalex.org/W2884859931","https://openalex.org/W2886463087","https://openalex.org/W2900176847","https://openalex.org/W2903576102","https://openalex.org/W2909595410","https://openalex.org/W2932063010","https://openalex.org/W2955207925","https://openalex.org/W2975910954","https://openalex.org/W2982551483","https://openalex.org/W3012315070","https://openalex.org/W3087615111","https://openalex.org/W3112844890","https://openalex.org/W3184265550","https://openalex.org/W3210092340","https://openalex.org/W3211962004","https://openalex.org/W4253829203","https://openalex.org/W4300624212","https://openalex.org/W6761446281","https://openalex.org/W6790565510"],"related_works":["https://openalex.org/W1977514416","https://openalex.org/W1508801824","https://openalex.org/W3103825119","https://openalex.org/W2105026576","https://openalex.org/W2033236975","https://openalex.org/W2140280965","https://openalex.org/W2184010844","https://openalex.org/W4255002149","https://openalex.org/W2046378968","https://openalex.org/W4244240805"],"abstract_inverted_index":{"Nitrates":[0],"can":[1],"cause":[2],"severe":[3],"ecological":[4],"imbalances":[5],"in":[6,47,74,80,116,155],"aquatic":[7],"ecosystems,":[8],"with":[9,91,128],"considerable":[10],"consequences":[11],"for":[12,24,70,185],"human":[13],"health.":[14],"Therefore,":[15],"monitoring":[16],"this":[17],"inorganic":[18],"form":[19],"of":[20,84],"nitrogen":[21],"is":[22,51,64,89],"essential":[23],"any":[25],"water":[26,48,75],"quality":[27],"management":[28],"structure.":[29],"This":[30],"research":[31],"was":[32,153],"conducted":[33],"to":[34,43,145,157],"develop":[35],"a":[36,52,92,117,123,162,169],"novel":[37],"Nitrate":[38],"Portable":[39],"Measurement":[40],"System":[41],"(NPMS)":[42],"monitor":[44],"nitrate":[45,72,148],"concentrations":[46,73,186],"samples.":[49],"NPMS":[50],"reagent-free":[53],"ultraviolet":[54,94],"system":[55,88],"developed":[56,141],"using":[57],"low-cost":[58],"electronic":[59],"components.":[60],"Its":[61],"operation":[62],"principle":[63],"based":[65],"on":[66],"the":[67,81,112,140,158,173,180],"Beer\u2013Lambert":[68],"law":[69],"measuring":[71],"samples":[76],"through":[77],"light":[78,96],"absorption":[79],"spectral":[82,182],"range":[83],"295\u2013315":[85],"nm.":[86],"The":[87,136,151,166],"equipped":[90],"ready-to-use":[93],"sensor,":[95,108],"emission":[97],"diode":[98],"(LED),":[99],"op-amp,":[100],"microcontroller,":[101],"liquid":[102],"crystal":[103],"display,":[104],"quartz":[105],"cuvette,":[106],"temperature":[107],"and":[109,133,139,184],"battery.":[110],"All":[111],"components":[113],"are":[114],"assembled":[115],"3D-printed":[118],"enclosure":[119],"box,":[120],"which":[121],"allows":[122],"very":[124],"compact":[125],"self-contained":[126],"equipment":[127],"high":[129],"portability,":[130],"enabling":[131],"field":[132],"near-real-time":[134],"measurements.":[135],"proposed":[137],"methodology":[138],"instrument":[142],"were":[143],"used":[144],"analyze":[146],"multiple":[147],"standard":[149],"solutions.":[150],"performance":[152],"evaluated":[154],"comparison":[156],"Nicolet":[159],"Evolution":[160],"300,":[161],"classical":[163],"UV\u2013Vis":[164],"spectrophotometer.":[165],"results":[167],"demonstrate":[168],"strong":[170],"correlation":[171],"between":[172],"retrieved":[174],"measurements":[175],"by":[176],"both":[177],"instruments":[178],"within":[179],"investigated":[181],"band":[183],"above":[187],"5":[188],"mg":[189],"NO3\u2212/L.":[190]},"counts_by_year":[{"year":2025,"cited_by_count":3}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}