{"id":"https://openalex.org/W2890953365","doi":"https://doi.org/10.3390/s18093008","title":"Sensor Selection to Improve Estimates of Particulate Matter Concentration from a Low-Cost Network","display_name":"Sensor Selection to Improve Estimates of Particulate Matter Concentration from a Low-Cost Network","publication_year":2018,"publication_date":"2018-09-08","ids":{"openalex":"https://openalex.org/W2890953365","doi":"https://doi.org/10.3390/s18093008","mag":"2890953365","pmid":"https://pubmed.ncbi.nlm.nih.gov/30205550"},"language":"en","primary_location":{"id":"doi:10.3390/s18093008","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s18093008","pdf_url":"https://www.mdpi.com/1424-8220/18/9/3008/pdf?version=1536385738","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/1424-8220/18/9/3008/pdf?version=1536385738","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5024500532","display_name":"Sinan Sousan","orcid":"https://orcid.org/0000-0001-5524-6911"},"institutions":[{"id":"https://openalex.org/I126307644","display_name":"University of Iowa","ror":"https://ror.org/036jqmy94","country_code":"US","type":"education","lineage":["https://openalex.org/I126307644"]},{"id":"https://openalex.org/I186335123","display_name":"East Carolina University","ror":"https://ror.org/01vx35703","country_code":"US","type":"education","lineage":["https://openalex.org/I186335123"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Sinan Sousan","raw_affiliation_strings":["Department of Occupational and Environmental Health, University of Iowa, Iowa City, IA 52242, USA","Department of Public Health, East Carolina University, Greenville, NC 27834, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Occupational and Environmental Health, University of Iowa, Iowa City, IA 52242, USA","institution_ids":["https://openalex.org/I126307644"]},{"raw_affiliation_string":"Department of Public Health, East Carolina University, Greenville, NC 27834, USA","institution_ids":["https://openalex.org/I186335123"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028563066","display_name":"Alyson Gray","orcid":null},"institutions":[{"id":"https://openalex.org/I126307644","display_name":"University of Iowa","ror":"https://ror.org/036jqmy94","country_code":"US","type":"education","lineage":["https://openalex.org/I126307644"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Alyson Gray","raw_affiliation_strings":["Department of Occupational and Environmental Health, University of Iowa, Iowa City, IA 52242, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Occupational and Environmental Health, University of Iowa, Iowa City, IA 52242, USA","institution_ids":["https://openalex.org/I126307644"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004474889","display_name":"Christopher Zuidema","orcid":"https://orcid.org/0000-0002-2233-2706"},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Christopher Zuidema","raw_affiliation_strings":["Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA"],"raw_orcid":"https://orcid.org/0000-0002-2233-2706","affiliations":[{"raw_affiliation_string":"Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA","institution_ids":["https://openalex.org/I145311948"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015483205","display_name":"Larissa V. Stebounova","orcid":"https://orcid.org/0000-0002-1223-8492"},"institutions":[{"id":"https://openalex.org/I126307644","display_name":"University of Iowa","ror":"https://ror.org/036jqmy94","country_code":"US","type":"education","lineage":["https://openalex.org/I126307644"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Larissa Stebounova","raw_affiliation_strings":["Department of Occupational and Environmental Health, University of Iowa, Iowa City, IA 52242, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Occupational and Environmental Health, University of Iowa, Iowa City, IA 52242, USA","institution_ids":["https://openalex.org/I126307644"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060549523","display_name":"Geb Thomas","orcid":"https://orcid.org/0000-0001-5032-4001"},"institutions":[{"id":"https://openalex.org/I126307644","display_name":"University of Iowa","ror":"https://ror.org/036jqmy94","country_code":"US","type":"education","lineage":["https://openalex.org/I126307644"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Geb Thomas","raw_affiliation_strings":["Department of Industrial and Systems Engineering, University of Iowa, Iowa City, IA 52242, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Industrial and Systems Engineering, University of Iowa, Iowa City, IA 52242, USA","institution_ids":["https://openalex.org/I126307644"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023983175","display_name":"Kirsten Koehler","orcid":"https://orcid.org/0000-0002-0516-6945"},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kirsten Koehler","raw_affiliation_strings":["Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA","institution_ids":["https://openalex.org/I145311948"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5071706728","display_name":"Thomas M. Peters","orcid":"https://orcid.org/0000-0002-1698-8856"},"institutions":[{"id":"https://openalex.org/I126307644","display_name":"University of Iowa","ror":"https://ror.org/036jqmy94","country_code":"US","type":"education","lineage":["https://openalex.org/I126307644"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Thomas Peters","raw_affiliation_strings":["Department of Occupational and Environmental Health, University of Iowa, Iowa City, IA 52242, USA"],"raw_orcid":"https://orcid.org/0000-0002-1698-8856","affiliations":[{"raw_affiliation_string":"Department of Occupational and Environmental Health, University of Iowa, Iowa City, IA 52242, USA","institution_ids":["https://openalex.org/I126307644"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5024500532"],"corresponding_institution_ids":["https://openalex.org/I126307644","https://openalex.org/I186335123"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":1.746,"has_fulltext":true,"cited_by_count":25,"citation_normalized_percentile":{"value":0.82794281,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":"18","issue":"9","first_page":"3008","last_page":"3008"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12120","display_name":"Air Quality Monitoring and Forecasting","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12120","display_name":"Air Quality Monitoring and Forecasting","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental 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/T12682","display_name":"Smart Materials for Construction","score":0.9968000054359436,"subfield":{"id":"https://openalex.org/subfields/2310","display_name":"Pollution"},"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/T11667","display_name":"Advanced Chemical Sensor Technologies","score":0.9854999780654907,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/calibration","display_name":"Calibration","score":0.7713286876678467},{"id":"https://openalex.org/keywords/particulates","display_name":"Particulates","score":0.6274129748344421},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5590293407440186},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.489134818315506},{"id":"https://openalex.org/keywords/field","display_name":"Field (mathematics)","score":0.4407412111759186},{"id":"https://openalex.org/keywords/linear-regression","display_name":"Linear regression","score":0.42274177074432373},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.1939980387687683},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.16918256878852844},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.15973767638206482},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.12894335389137268}],"concepts":[{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.7713286876678467},{"id":"https://openalex.org/C24245907","wikidata":"https://www.wikidata.org/wiki/Q498957","display_name":"Particulates","level":2,"score":0.6274129748344421},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5590293407440186},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.489134818315506},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.4407412111759186},{"id":"https://openalex.org/C48921125","wikidata":"https://www.wikidata.org/wiki/Q10861030","display_name":"Linear regression","level":2,"score":0.42274177074432373},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.1939980387687683},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.16918256878852844},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.15973767638206482},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.12894335389137268},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0}],"mesh":[],"locations_count":8,"locations":[{"id":"doi:10.3390/s18093008","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s18093008","pdf_url":"https://www.mdpi.com/1424-8220/18/9/3008/pdf?version=1536385738","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:30205550","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/30205550","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:TheScholarship.intra.ecu.edu:10342/7358","is_oa":false,"landing_page_url":"http://hdl.handle.net/10342/7358","pdf_url":null,"source":{"id":"https://openalex.org/S4306402312","display_name":"The Scholarship East Carolina University's Institutional Repository (East Carolina University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I186335123","host_organization_name":"East Carolina University","host_organization_lineage":["https://openalex.org/I186335123"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"},{"id":"pmh:oai:TheScholarship.intra.ecu.edu:10342/7705","is_oa":false,"landing_page_url":"http://hdl.handle.net/10342/7705","pdf_url":null,"source":{"id":"https://openalex.org/S4306402312","display_name":"The Scholarship East Carolina University's Institutional Repository (East Carolina University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I186335123","host_organization_name":"East Carolina University","host_organization_lineage":["https://openalex.org/I186335123"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"},{"id":"pmh:oai:doaj.org/article:5fc1decd454f47e7afed725e660f4419","is_oa":true,"landing_page_url":"https://doaj.org/article/5fc1decd454f47e7afed725e660f4419","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 18, Iss 9, p 3008 (2018)","raw_type":"article"},{"id":"pmh:oai:europepmc.org:5125879","is_oa":true,"landing_page_url":"http://europepmc.org/pmc/articles/PMC6163282","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":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Text"},{"id":"pmh:oai:mdpi.com:/1424-8220/18/9/3008/","is_oa":true,"landing_page_url":"http://dx.doi.org/10.3390/s18093008","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"},{"id":"pmh:oai:pubmedcentral.nih.gov:6163282","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/6163282","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/s18093008","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s18093008","pdf_url":"https://www.mdpi.com/1424-8220/18/9/3008/pdf?version=1536385738","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/G5850631411","display_name":null,"funder_award_id":"R01 OH010533","funder_id":"https://openalex.org/F4320337382","funder_display_name":"National Institute for Occupational Safety and Health"}],"funders":[{"id":"https://openalex.org/F4320311233","display_name":"Adelphi University","ror":"https://ror.org/025n13r50"},{"id":"https://openalex.org/F4320337382","display_name":"National Institute for Occupational Safety and Health","ror":"https://ror.org/0502a2655"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2890953365.pdf","grobid_xml":"https://content.openalex.org/works/W2890953365.grobid-xml"},"referenced_works_count":25,"referenced_works":["https://openalex.org/W1975912943","https://openalex.org/W1993142580","https://openalex.org/W1995063720","https://openalex.org/W2017782098","https://openalex.org/W2024526649","https://openalex.org/W2031233222","https://openalex.org/W2055361278","https://openalex.org/W2056672408","https://openalex.org/W2057546928","https://openalex.org/W2072772240","https://openalex.org/W2116026113","https://openalex.org/W2311946352","https://openalex.org/W2329466550","https://openalex.org/W2512000668","https://openalex.org/W2530598758","https://openalex.org/W2558671511","https://openalex.org/W2731171009","https://openalex.org/W2746526298","https://openalex.org/W2766069186","https://openalex.org/W2768089393","https://openalex.org/W2789181338","https://openalex.org/W2801936771","https://openalex.org/W4245703176","https://openalex.org/W6680471440","https://openalex.org/W6743478827"],"related_works":["https://openalex.org/W626601394","https://openalex.org/W2494533905","https://openalex.org/W2941015101","https://openalex.org/W2371666510","https://openalex.org/W2975026841","https://openalex.org/W2067628325","https://openalex.org/W1993949396","https://openalex.org/W2981544937","https://openalex.org/W2057331298","https://openalex.org/W2392932513"],"abstract_inverted_index":{"Deployment":[0],"of":[1,20,77,84,194],"low-cost":[2,195],"sensors":[3,34,80,125,146,162,196],"in":[4,117,171,197],"the":[5,18,21,28,78,85,118,172,177,187,198],"field":[6,137,173],"is":[7],"increasingly":[8],"popular.":[9],"However,":[10],"each":[11],"sensor":[12,46],"requires":[13],"on-site":[14,42],"calibration":[15,43,138,193],"to":[16,32,139,159,176],"increase":[17],"accuracy":[19],"measurements.":[22],"We":[23,88],"established":[24,182],"a":[25,40,127,136,141,148,183],"laboratory":[26,55,178],"method,":[27],"Average":[29,92],"Slope":[30,93,98],"Method,":[31],"select":[33],"with":[35,59,95,147,192],"similar":[36,175],"response":[37],"so":[38],"that":[39,102,185],"single,":[41],"for":[44,50,69,110,143,163],"one":[45,152],"can":[47],"be":[48],"used":[49],"all":[51,160],"other":[52],"sensors.":[53],"The":[54,154,167],"method":[56,105,184],"was":[57,115,157],"performed":[58,135],"aerosolized":[60],"salt.":[61],"Based":[62],"on":[63],"linear":[64],"regression,":[65],"we":[66,121,181],"calculated":[67,168],"slopes":[68],"100":[70],"particulate":[71],"matter":[72],"(PM)":[73],"sensors,":[74],"and":[75,100,108,134,189],"50%":[76],"PM":[79,124,145,161],"fell":[81],"within":[82],"\u00b114%":[83],"average":[86,155],"slope.":[87],"then":[89],"compared":[90],"our":[91,103,111],"Method":[94,99],"an":[96],"Individual":[97],"concluded":[101],"first":[104],"balanced":[106],"convenience":[107],"precision":[109],"application.":[112],"Laboratory":[113],"selection":[114],"tested":[116],"field,":[119],"where":[120],"deployed":[122],"40":[123],"inside":[126],"heavy-manufacturing":[128],"site":[129],"at":[130,151],"spatially":[131],"optimal":[132],"locations":[133],"calculate":[140],"slope":[142,156],"three":[144],"reference":[149],"instrument":[150],"location.":[153],"applied":[158],"mass":[164],"concentration":[165],"calculations.":[166],"percent":[169],"differences":[170],"were":[174],"results.":[179],"Therefore,":[180],"reduces":[186],"time":[188],"cost":[190],"associated":[191],"field.":[199]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":2}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}