{"id":"https://openalex.org/W1998418882","doi":"https://doi.org/10.1021/es800880z","title":"Time-Resolved Chemical Composition of Individual Nanoparticles in Urban Air","display_name":"Time-Resolved Chemical Composition of Individual Nanoparticles in Urban Air","publication_year":2008,"publication_date":"2008-07-25","ids":{"openalex":"https://openalex.org/W1998418882","doi":"https://doi.org/10.1021/es800880z","mag":"1998418882","pmid":"https://pubmed.ncbi.nlm.nih.gov/18800541"},"language":"en","primary_location":{"id":"doi:10.1021/es800880z","doi":"https://doi.org/10.1021/es800880z","is_oa":false,"landing_page_url":"https://doi.org/10.1021/es800880z","pdf_url":null,"source":{"id":"https://openalex.org/S13479253","display_name":"Environmental Science & Technology","issn_l":"0013-936X","issn":["0013-936X","1520-5851"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-a","fnege-4","jufo-2","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320006","host_organization_name":"American Chemical Society","host_organization_lineage":["https://openalex.org/P4310320006"],"host_organization_lineage_names":["American Chemical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Environmental Science & Technology","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5059932560","display_name":"Christopher A. Zordan","orcid":"https://orcid.org/0000-0002-8274-1341","observed_orcids":["https://orcid.org/0000-0002-8274-1341"]},"institutions":[{"id":"https://openalex.org/I86501945","display_name":"University of Delaware","ror":"https://ror.org/01sbq1a82","country_code":"US","type":"education","lineage":["https://openalex.org/I86501945"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Christopher A. Zordan","raw_affiliation_strings":["Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716","Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware, 19716, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716","institution_ids":["https://openalex.org/I86501945"]},{"raw_affiliation_string":"Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware, 19716, USA","institution_ids":["https://openalex.org/I86501945"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103195217","display_name":"Shenyi Wang","orcid":"https://orcid.org/0000-0002-3373-2684","observed_orcids":["https://orcid.org/0000-0002-3373-2684"]},"institutions":[{"id":"https://openalex.org/I86501945","display_name":"University of Delaware","ror":"https://ror.org/01sbq1a82","country_code":"US","type":"education","lineage":["https://openalex.org/I86501945"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Shenyi Wang","raw_affiliation_strings":["Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716","institution_ids":["https://openalex.org/I86501945"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5011162365","display_name":"Murray V. Johnston","orcid":"https://orcid.org/0000-0001-9529-8660","observed_orcids":["https://orcid.org/0000-0001-9529-8660"]},"institutions":[{"id":"https://openalex.org/I86501945","display_name":"University of Delaware","ror":"https://ror.org/01sbq1a82","country_code":"US","type":"education","lineage":["https://openalex.org/I86501945"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Murray V. Johnston","raw_affiliation_strings":["Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716","institution_ids":["https://openalex.org/I86501945"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5011162365"],"corresponding_institution_ids":["https://openalex.org/I86501945"],"apc_list":{"value":4500,"currency":"USD","value_usd":4500},"apc_paid":null,"fwci":3.5795,"has_fulltext":false,"cited_by_count":38,"citation_normalized_percentile":{"value":0.92352575,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"42","issue":"17","first_page":"6631","last_page":"6636"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10075","display_name":"Atmospheric chemistry and aerosols","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10075","display_name":"Atmospheric chemistry and aerosols","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10683","display_name":"Mass Spectrometry Techniques and Applications","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10347","display_name":"Atmospheric aerosols and clouds","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"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/urban-air","display_name":"urban air","score":0.7020000219345093},{"id":"https://openalex.org/keywords/atomic-composition","display_name":"atomic composition","score":0.8799999952316284},{"id":"https://openalex.org/keywords/ammonium-sulfate","display_name":"ammonium sulfate","score":0.7919999957084656},{"id":"https://openalex.org/keywords/ammonium-nitrate","display_name":"ammonium nitrate","score":1.0},{"id":"https://openalex.org/keywords/carbon-materials","display_name":"carbon materials","score":0.7860000133514404},{"id":"https://openalex.org/keywords/oxygen-to-carbon-ratio","display_name":"O/C ratio","score":0.9139999747276306},{"id":"https://openalex.org/keywords/secondary-organic-aerosol","display_name":"secondary organic aerosol","score":0.9459999799728394},{"id":"https://openalex.org/keywords/hydrocarbon-emissions","display_name":"hydrocarbon emissions","score":0.7099999785423279},{"id":"https://openalex.org/keywords/vehicle-emissions","display_name":"vehicle emissions","score":0.8059999942779541},{"id":"https://openalex.org/keywords/photochemical-formation","display_name":"photochemical formation","score":0.8379999995231628},{"id":"https://openalex.org/keywords/alkali-metals","display_name":"alkali metals","score":0.4650000035762787},{"id":"https://openalex.org/keywords/transition-metals","display_name":"transition metals","score":0.875},{"id":"https://openalex.org/keywords/silicon","display_name":"silicon","score":0.6399999856948853}],"concepts":[{"id":"https://openalex.org/C149849071","wikidata":"https://www.wikidata.org/wiki/Q1263816","display_name":"Chemical composition","level":2,"score":0.5841733813285828},{"id":"https://openalex.org/C107872376","wikidata":"https://www.wikidata.org/wiki/Q321355","display_name":"Environmental chemistry","level":1,"score":0.5180466175079346},{"id":"https://openalex.org/C155672457","wikidata":"https://www.wikidata.org/wiki/Q61231","display_name":"Nanoparticle","level":2,"score":0.48396065831184387},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.4632014334201813},{"id":"https://openalex.org/C40231798","wikidata":"https://www.wikidata.org/wiki/Q1333743","display_name":"Composition (language)","level":2,"score":0.44967395067214966},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.406313419342041},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.2775036096572876},{"id":"https://openalex.org/C171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","level":1,"score":0.27432137727737427},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.09132406115531921},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[{"descriptor_ui":"D000393","descriptor_name":"Air Pollutants","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":true},{"descriptor_ui":"D010316","descriptor_name":"Particle Size","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013058","descriptor_name":"Mass Spectrometry","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014504","descriptor_name":"Urban Health","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D053758","descriptor_name":"Nanoparticles","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1021/es800880z","doi":"https://doi.org/10.1021/es800880z","is_oa":false,"landing_page_url":"https://doi.org/10.1021/es800880z","pdf_url":null,"source":{"id":"https://openalex.org/S13479253","display_name":"Environmental Science & Technology","issn_l":"0013-936X","issn":["0013-936X","1520-5851"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-a","fnege-4","jufo-2","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320006","host_organization_name":"American Chemical Society","host_organization_lineage":["https://openalex.org/P4310320006"],"host_organization_lineage_names":["American Chemical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Environmental Science & Technology","raw_type":"journal-article"},{"id":"pmid:18800541","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/18800541","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":"Environmental science & technology","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":38,"referenced_works":["https://openalex.org/W1561878391","https://openalex.org/W1965486232","https://openalex.org/W1973729801","https://openalex.org/W1979006086","https://openalex.org/W1983713785","https://openalex.org/W1988963778","https://openalex.org/W1993710770","https://openalex.org/W2011174261","https://openalex.org/W2013387526","https://openalex.org/W2014564913","https://openalex.org/W2025095419","https://openalex.org/W2031032649","https://openalex.org/W2031110874","https://openalex.org/W2034782215","https://openalex.org/W2042380325","https://openalex.org/W2048930322","https://openalex.org/W2050400678","https://openalex.org/W2050514223","https://openalex.org/W2053799799","https://openalex.org/W2054574668","https://openalex.org/W2056905091","https://openalex.org/W2059583530","https://openalex.org/W2061396805","https://openalex.org/W2064181282","https://openalex.org/W2073161629","https://openalex.org/W2081233334","https://openalex.org/W2084686246","https://openalex.org/W2090321042","https://openalex.org/W2092733447","https://openalex.org/W2099040894","https://openalex.org/W2103400106","https://openalex.org/W2108945629","https://openalex.org/W2133622477","https://openalex.org/W2146050705","https://openalex.org/W2149095269","https://openalex.org/W2155118487","https://openalex.org/W2156968647","https://openalex.org/W2291431326"],"related_works":["https://openalex.org/W1508322586","https://openalex.org/W2048930322","https://openalex.org/W2321727383","https://openalex.org/W2117958880","https://openalex.org/W2166010915","https://openalex.org/W2094879579","https://openalex.org/W2473769392","https://openalex.org/W1989161393","https://openalex.org/W2557421872","https://openalex.org/W4384938265"],"abstract_inverted_index":{"Chemical":[0],"composition":[1,23,88,115],"measurements":[2],"of":[3,24,34,45,50,65,76,104,130,151,159,166,222,238,251],"individual":[4,213],"ambient":[5],"nanoparticles":[6],"were":[7,60,98,168],"performed":[8],"with":[9,47,108,195,209,233],"a":[10,48,101,109,181,196],"nanoaerosol":[11],"mass":[12,41],"spectrometer":[13],"(NAMS)":[14],"in":[15,18,39,62,100,138,187,205,220,226],"Wilmington,":[16],"DE,":[17],"May":[19,55],"2006.":[20],"The":[21,43,146],"atomic":[22,37,87,114,144,157],"each":[25],"particle":[26],"was":[27,89,117,124,217,261],"determined":[28],"from":[29,141,212],"the":[30,40,77,85,105,112,128,142,152,160,188,227,255],"relative":[31],"signal":[32],"intensities":[33],"multiply":[35],"charged":[36],"ions":[38],"spectra.":[42],"characteristics":[44],"particles":[46,67,78,140,167,240,253],"mass-normalized-diameter":[49],"25":[51],"nm":[52],"analyzed":[53],"on":[54],"9":[56],"and":[57,72,95,135,178,245],"10,":[58],"2006,":[59],"studied":[61],"detail.":[63],"Most":[64,237],"these":[66,223,239,252],"contained":[68,79,242],"carbon,":[69],"nitrogen,":[70],"oxygen,":[71],"sulfur.":[73],"Almost":[74],"half":[75],"silicon,":[80],"although":[81],"its":[82],"contribution":[83,110],"to":[84,111,126,154],"total":[86,113],"usually":[90,118],"less":[91,119,175],"than":[92,120,176],"1%.":[93,121],"Alkali":[94],"transition":[96],"metals":[97],"observed":[99],"few":[102],"percent":[103],"particles,":[106],"also":[107,148,218,241],"that":[116,258],"A":[122,248],"method":[123],"developed":[125],"infer":[127],"amounts":[129],"ammonium":[131,133,243,246],"sulfate,":[132],"nitrate,":[134],"carbonaceous":[136,161],"matter":[137],"single":[139],"measured":[143],"compositions.":[145],"procedure":[147],"permitted":[149],"estimation":[150],"oxygen":[153],"carbon":[155],"(O:C)":[156],"ratio":[158,174,182,191],"matter.":[162],"Two":[163],"distinct":[164],"types":[165],"found:":[169],"those":[170,179],"having":[171,180],"an":[172],"O:C":[173,190,229],"0.01":[177],"0.5":[183],"or":[184],"greater.":[185],"Particles":[186,225],"low":[189],"group":[192,230],"are":[193,207,231],"consistent":[194,208,232],"hydrocarbon":[197],"composition.":[198],"Their":[199],"prevalence":[200],"during":[201,254],"shortterm":[202],"(1-min)":[203],"spikes":[204],"concentration":[206],"nanoparticle":[210],"emissions":[211],"vehicles.":[214],"Ammonium":[215],"sulfate":[216,244],"found":[219],"many":[221],"particles.":[224],"high":[228],"secondary":[234],"organic":[235],"aerosol.":[236],"nitrate.":[247],"steady":[249],"increase":[250],"daytime":[256],"suggested":[257],"their":[259],"formation":[260],"photochemically":[262],"driven.":[263]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":7},{"year":2012,"cited_by_count":7}],"updated_date":"2026-11-03T10:50:19.383937","created_date":"2016-06-24T00:00:00"}