{"id":"https://openalex.org/W2946415212","doi":"https://doi.org/10.1016/j.chemosphere.2019.05.114","title":"A prototype of a portable optical sensor for the detection of transparent and translucent microplastics in freshwater","display_name":"A prototype of a portable optical sensor for the detection of transparent and translucent microplastics in freshwater","publication_year":2019,"publication_date":"2019-05-16","ids":{"openalex":"https://openalex.org/W2946415212","doi":"https://doi.org/10.1016/j.chemosphere.2019.05.114","mag":"2946415212","pmid":"https://pubmed.ncbi.nlm.nih.gov/31129396"},"language":"en","primary_location":{"id":"doi:10.1016/j.chemosphere.2019.05.114","doi":"https://doi.org/10.1016/j.chemosphere.2019.05.114","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.chemosphere.2019.05.114","pdf_url":"https://www.sciencedirect.com/science/article/pii/S0045653519310203/pdf","source":{"id":"https://openalex.org/S203465130","display_name":"Chemosphere","issn_l":"0045-6535","issn":["0045-6535","1879-1298"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","jufo-1","medline","norway-1","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Chemosphere","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://www.sciencedirect.com/science/article/pii/S0045653519310203/pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5064477852","display_name":"Benjamin O. Asamoah","orcid":"https://orcid.org/0000-0002-7084-2313","observed_orcids":["https://orcid.org/0000-0002-7084-2313"]},"institutions":[{"id":"https://openalex.org/I175532246","display_name":"University of Eastern Finland","ror":"https://ror.org/00cyydd11","country_code":"FI","type":"education","lineage":["https://openalex.org/I175532246"]}],"countries":["FI"],"is_corresponding":true,"raw_author_name":"Benjamin O. Asamoah","raw_affiliation_strings":["Department of Physics and Mathematics, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland. Electronic address: benjamin.asamoah@uef.fi","Department of Physics and Mathematics, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland"],"raw_orcid":"https://orcid.org/0000-0002-7084-2313","affiliations":[{"raw_affiliation_string":"Department of Physics and Mathematics, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland. Electronic address: benjamin.asamoah@uef.fi","institution_ids":["https://openalex.org/I175532246"]},{"raw_affiliation_string":"Department of Physics and Mathematics, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland","institution_ids":["https://openalex.org/I175532246"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066843602","display_name":"Boniphace Kanyathare","orcid":"https://orcid.org/0000-0002-9479-9997","observed_orcids":["https://orcid.org/0000-0002-9479-9997"]},"institutions":[{"id":"https://openalex.org/I195608997","display_name":"Dar es Salaam Institute of Technology","ror":"https://ror.org/038c55s31","country_code":"TZ","type":"education","lineage":["https://openalex.org/I195608997"]}],"countries":["TZ"],"is_corresponding":false,"raw_author_name":"Boniphace Kanyathare","raw_affiliation_strings":["Department of Electronics and Telecommunication Engineering, Dar Es Salaam Institute of Technology, P. O. Box 2958, Dar Es Salaam, Tanzania"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronics and Telecommunication Engineering, Dar Es Salaam Institute of Technology, P. O. Box 2958, Dar Es Salaam, Tanzania","institution_ids":["https://openalex.org/I195608997"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047144224","display_name":"M. Roussey","orcid":"https://orcid.org/0000-0002-7679-6995","observed_orcids":["https://orcid.org/0000-0002-7679-6995"]},"institutions":[{"id":"https://openalex.org/I175532246","display_name":"University of Eastern Finland","ror":"https://ror.org/00cyydd11","country_code":"FI","type":"education","lineage":["https://openalex.org/I175532246"]}],"countries":["FI"],"is_corresponding":true,"raw_author_name":"Matthieu Roussey","raw_affiliation_strings":["Department of Physics and Mathematics, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland. Electronic address: matthieu.roussey@uef.fi","Department of Physics and Mathematics, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics and Mathematics, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland. Electronic address: matthieu.roussey@uef.fi","institution_ids":["https://openalex.org/I175532246"]},{"raw_affiliation_string":"Department of Physics and Mathematics, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland","institution_ids":["https://openalex.org/I175532246"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111863685","display_name":"Kai-Erik Peiponen\u2225","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I175532246","display_name":"University of Eastern Finland","ror":"https://ror.org/00cyydd11","country_code":"FI","type":"education","lineage":["https://openalex.org/I175532246"]}],"countries":["FI"],"is_corresponding":true,"raw_author_name":"Kai-Erik Peiponen","raw_affiliation_strings":["Department of Physics and Mathematics, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland. Electronic address: kai.peiponen@uef.fi","Department of Physics and Mathematics, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics and Mathematics, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland. Electronic address: kai.peiponen@uef.fi","institution_ids":["https://openalex.org/I175532246"]},{"raw_affiliation_string":"Department of Physics and Mathematics, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland","institution_ids":["https://openalex.org/I175532246"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5047144224","https://openalex.org/A5064477852","https://openalex.org/A5111863685"],"corresponding_institution_ids":["https://openalex.org/I175532246"],"apc_list":{"value":3400,"currency":"USD","value_usd":3400},"apc_paid":{"value":1541,"currency":"EUR","value_usd":1661},"fwci":2.4709,"has_fulltext":true,"cited_by_count":97,"citation_normalized_percentile":{"value":0.88915015,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":100},"biblio":{"volume":"231","issue":null,"first_page":"161","last_page":"167"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10753","display_name":"Microplastics and Plastic Pollution","score":0.9994999766349792,"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"}},"topics":[{"id":"https://openalex.org/T10753","display_name":"Microplastics and Plastic Pollution","score":0.9994999766349792,"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/T12697","display_name":"Water Quality Monitoring Technologies","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2312","display_name":"Water Science and Technology"},"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/T14249","display_name":"Water Quality Monitoring and Analysis","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2311","display_name":"Waste Management and Disposal"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/microplastics","display_name":"microplastics","score":0.9110000133514404},{"id":"https://openalex.org/keywords/optical-sensors","display_name":"optical sensors","score":0.7250000238418579},{"id":"https://openalex.org/keywords/portable-sensors","display_name":"portable sensors","score":0.5899999737739563},{"id":"https://openalex.org/keywords/freshwater-pollution","display_name":"freshwater pollution","score":0.5920000076293945},{"id":"https://openalex.org/keywords/specular-reflection","display_name":"specular reflection","score":0.6200000047683716},{"id":"https://openalex.org/keywords/optical-transmittance","display_name":"optical transmittance","score":0.7490000128746033},{"id":"https://openalex.org/keywords/interference-patterns","display_name":"interference patterns","score":0.7350000143051147},{"id":"https://openalex.org/keywords/polyethylene-terephthalate","display_name":"polyethylene terephthalate","score":0.9789999723434448},{"id":"https://openalex.org/keywords/low-density-polyethylene","display_name":"low-density polyethylene","score":0.9980000257492065},{"id":"https://openalex.org/keywords/microplastic-detection","display_name":"microplastic detection","score":0.7329999804496765},{"id":"https://openalex.org/keywords/sedimentation","display_name":"sedimentation","score":0.7839999794960022},{"id":"https://openalex.org/keywords/water-filtration","display_name":"water filtration","score":0.796999990940094}],"concepts":[{"id":"https://openalex.org/C2780401329","wikidata":"https://www.wikidata.org/wiki/Q6839919","display_name":"Microplastics","level":2,"score":0.9806362390518188},{"id":"https://openalex.org/C118381688","wikidata":"https://www.wikidata.org/wiki/Q1079524","display_name":"Specular reflection","level":2,"score":0.7271103858947754},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.5067310929298401},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.4833824038505554},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.43758198618888855},{"id":"https://openalex.org/C751236","wikidata":"https://www.wikidata.org/wiki/Q175943","display_name":"Photodiode","level":2,"score":0.4311044216156006},{"id":"https://openalex.org/C2779751980","wikidata":"https://www.wikidata.org/wiki/Q143429","display_name":"Polyethylene","level":2,"score":0.41451597213745117},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.31842535734176636},{"id":"https://openalex.org/C107872376","wikidata":"https://www.wikidata.org/wiki/Q321355","display_name":"Environmental chemistry","level":1,"score":0.14187932014465332},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.12782955169677734},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.11045411229133606},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.07940888404846191}],"mesh":[{"descriptor_ui":"D004784","descriptor_name":"Environmental Monitoring","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":true},{"descriptor_ui":"D005618","descriptor_name":"Fresh Water","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D010969","descriptor_name":"Plastics","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D014874","descriptor_name":"Water Pollutants, Chemical","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D020959","descriptor_name":"Polyethylene","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1016/j.chemosphere.2019.05.114","doi":"https://doi.org/10.1016/j.chemosphere.2019.05.114","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.chemosphere.2019.05.114","pdf_url":"https://www.sciencedirect.com/science/article/pii/S0045653519310203/pdf","source":{"id":"https://openalex.org/S203465130","display_name":"Chemosphere","issn_l":"0045-6535","issn":["0045-6535","1879-1298"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","jufo-1","medline","norway-1","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Chemosphere","raw_type":"journal-article"},{"id":"pmid:31129396","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/31129396","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,"listed_in":[],"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":"Chemosphere","raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.1016/j.chemosphere.2019.05.114","doi":"https://doi.org/10.1016/j.chemosphere.2019.05.114","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.chemosphere.2019.05.114","pdf_url":"https://www.sciencedirect.com/science/article/pii/S0045653519310203/pdf","source":{"id":"https://openalex.org/S203465130","display_name":"Chemosphere","issn_l":"0045-6535","issn":["0045-6535","1879-1298"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","jufo-1","medline","norway-1","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Chemosphere","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/6","score":0.6618000268936157,"display_name":"Clean water and sanitation"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321108","display_name":"Academy of Finland","ror":"https://ror.org/05k73zm37"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2946415212.pdf","grobid_xml":"https://content.openalex.org/works/W2946415212.grobid-xml"},"referenced_works_count":21,"referenced_works":["https://openalex.org/W560717185","https://openalex.org/W1509247231","https://openalex.org/W1863165817","https://openalex.org/W1936293037","https://openalex.org/W2005404508","https://openalex.org/W2012421623","https://openalex.org/W2027494760","https://openalex.org/W2037496050","https://openalex.org/W2070838363","https://openalex.org/W2085831882","https://openalex.org/W2088065097","https://openalex.org/W2130707940","https://openalex.org/W2138083997","https://openalex.org/W2471729974","https://openalex.org/W2784223142","https://openalex.org/W2789616882","https://openalex.org/W2791217158","https://openalex.org/W2793803649","https://openalex.org/W2891019883","https://openalex.org/W2898817320","https://openalex.org/W2899136913"],"related_works":["https://openalex.org/W3004468215","https://openalex.org/W7169803258","https://openalex.org/W3017248349","https://openalex.org/W4415688361","https://openalex.org/W4390605919","https://openalex.org/W3135426837","https://openalex.org/W2891019883","https://openalex.org/W4405526806","https://openalex.org/W7080969926","https://openalex.org/W7127180532"],"abstract_inverted_index":{"Microplastic":[0],"pollution":[1],"in":[2,114,142,147,150],"water":[3,144,148,151],"bodies":[4],"is":[5,60,91],"an":[6],"alarming":[7],"problem":[8],"which":[9],"needs":[10],"to":[11,23,31,93],"be":[12,32,127],"addressed.":[13],"However,":[14],"issues":[15],"such":[16],"as":[17,136,138],"size,":[18,97],"shape":[19],"and":[20,55,66,76,98,109,146],"their":[21],"appearance":[22],"light":[24,53],"(transparent":[25],"or":[26],"translucent)":[27],"make":[28],"it":[29,90],"difficult":[30],"optically":[33],"detected.":[34],"Here,":[35],"a":[36,40,74,77,115],"feasibility":[37],"study":[38],"of":[39,48,84,88,100,117,132],"portable":[41],"prototype":[42,125],"optical":[43],"sensor":[44],"with":[45,73,119],"the":[46,67,82,95,124,130],"capability":[47],"measuring":[49],"simultaneously":[50],"specular":[51,63],"laser":[52],"reflection":[54,64],"transmission":[56],"from":[57],"microplastic":[58],"particles":[59],"presented.":[61],"The":[62],"signal":[65],"transmitted":[68],"interference":[69],"pattern":[70],"were":[71],"recorded":[72],"photodiode":[75],"CCD":[78],"camera,":[79],"respectively.":[80],"With":[81],"combination":[83],"these":[85],"two":[86,101],"modes":[87],"detection,":[89],"possible":[92],"screen":[94],"type,":[96],"nonplanarity":[99],"microplastics":[102,135,139],"types,":[103],"i.e.,":[104],"transparent":[105],"polyethylene":[106,112],"terephthalate":[107],"(PET)":[108],"translucent":[110],"low-density":[111],"(LDPE),":[113],"volume":[116],"freshwater,":[118],"high":[120],"confidence.":[121],"In":[122],"principle,":[123],"could":[126],"used":[128],"for":[129],"detection":[131],"both":[133],"floating":[134],"well":[137],"experiencing":[140],"sedimentation":[141],"natural":[143],"bodies,":[145],"filtration":[149],"treatment":[152],"plants.":[153]},"counts_by_year":[{"year":2026,"cited_by_count":13},{"year":2025,"cited_by_count":19},{"year":2024,"cited_by_count":16},{"year":2023,"cited_by_count":16},{"year":2022,"cited_by_count":12},{"year":2021,"cited_by_count":13},{"year":2020,"cited_by_count":7},{"year":2019,"cited_by_count":1}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2019-05-29T00:00:00"}