{"id":"https://openalex.org/W2017559813","doi":"https://doi.org/10.1021/ac402158j","title":"Sensitive and Selective Detection of Copper Ions with Highly Stable Polyethyleneimine-Protected Silver Nanoclusters","display_name":"Sensitive and Selective Detection of Copper Ions with Highly Stable Polyethyleneimine-Protected Silver Nanoclusters","publication_year":2013,"publication_date":"2013-11-25","ids":{"openalex":"https://openalex.org/W2017559813","doi":"https://doi.org/10.1021/ac402158j","mag":"2017559813","pmid":"https://pubmed.ncbi.nlm.nih.gov/24274096"},"language":"en","primary_location":{"id":"doi:10.1021/ac402158j","doi":"https://doi.org/10.1021/ac402158j","is_oa":false,"landing_page_url":"https://doi.org/10.1021/ac402158j","pdf_url":null,"source":{"id":"https://openalex.org/S191963794","display_name":"Analytical Chemistry","issn_l":"0003-2700","issn":["0003-2700","1520-6882"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","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":"Analytical Chemistry","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/A5067797722","display_name":"Zhiqin Yuan","orcid":"https://orcid.org/0000-0002-9715-4449","observed_orcids":["https://orcid.org/0000-0002-9715-4449"]},"institutions":[{"id":"https://openalex.org/I16609230","display_name":"Hunan University","ror":"https://ror.org/05htk5m33","country_code":"CN","type":"education","lineage":["https://openalex.org/I16609230"]},{"id":"https://openalex.org/I4391767752","display_name":"State Key Laboratory of Chemobiosensing and Chemometrics","ror":"https://ror.org/05vg20182","country_code":"CN","type":"facility","lineage":["https://openalex.org/I16609230","https://openalex.org/I4391767752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhiqin Yuan","raw_affiliation_strings":["College of Chemistry and Chemical Engineering, College of Biology, State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University , Changsha, Hunan, People's Republic of China "],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Chemistry and Chemical Engineering, College of Biology, State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University , Changsha, Hunan, People's Republic of China ","institution_ids":["https://openalex.org/I16609230","https://openalex.org/I4391767752"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046315602","display_name":"Na Cai","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I16609230","display_name":"Hunan University","ror":"https://ror.org/05htk5m33","country_code":"CN","type":"education","lineage":["https://openalex.org/I16609230"]},{"id":"https://openalex.org/I4391767752","display_name":"State Key Laboratory of Chemobiosensing and Chemometrics","ror":"https://ror.org/05vg20182","country_code":"CN","type":"facility","lineage":["https://openalex.org/I16609230","https://openalex.org/I4391767752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Na Cai","raw_affiliation_strings":["College of Chemistry and\rChemical Engineering, College of Biology, State Key Laboratory\rof Chemo/Biosensing and Chemometrics, Hunan University, Changsha, Hunan, People\u2019s Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Chemistry and\rChemical Engineering, College of Biology, State Key Laboratory\rof Chemo/Biosensing and Chemometrics, Hunan University, Changsha, Hunan, People\u2019s Republic of China","institution_ids":["https://openalex.org/I16609230","https://openalex.org/I4391767752"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003649303","display_name":"Yi Ping Du","orcid":"https://orcid.org/0000-0001-8401-0895","observed_orcids":["https://orcid.org/0000-0001-8401-0895"]},"institutions":[{"id":"https://openalex.org/I16609230","display_name":"Hunan University","ror":"https://ror.org/05htk5m33","country_code":"CN","type":"education","lineage":["https://openalex.org/I16609230"]},{"id":"https://openalex.org/I4391767752","display_name":"State Key Laboratory of Chemobiosensing and Chemometrics","ror":"https://ror.org/05vg20182","country_code":"CN","type":"facility","lineage":["https://openalex.org/I16609230","https://openalex.org/I4391767752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yi Du","raw_affiliation_strings":["College of Chemistry and\rChemical Engineering, College of Biology, State Key Laboratory\rof Chemo/Biosensing and Chemometrics, Hunan University, Changsha, Hunan, People\u2019s Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Chemistry and\rChemical Engineering, College of Biology, State Key Laboratory\rof Chemo/Biosensing and Chemometrics, Hunan University, Changsha, Hunan, People\u2019s Republic of China","institution_ids":["https://openalex.org/I16609230","https://openalex.org/I4391767752"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100702224","display_name":"Yan He","orcid":"https://orcid.org/0000-0001-7133-0558","observed_orcids":["https://orcid.org/0000-0001-7133-0558"]},"institutions":[{"id":"https://openalex.org/I16609230","display_name":"Hunan University","ror":"https://ror.org/05htk5m33","country_code":"CN","type":"education","lineage":["https://openalex.org/I16609230"]},{"id":"https://openalex.org/I4391767752","display_name":"State Key Laboratory of Chemobiosensing and Chemometrics","ror":"https://ror.org/05vg20182","country_code":"CN","type":"facility","lineage":["https://openalex.org/I16609230","https://openalex.org/I4391767752"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yan He","raw_affiliation_strings":["College of Chemistry and\rChemical Engineering, College of Biology, State Key Laboratory\rof Chemo/Biosensing and Chemometrics, Hunan University, Changsha, Hunan, People\u2019s Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Chemistry and\rChemical Engineering, College of Biology, State Key Laboratory\rof Chemo/Biosensing and Chemometrics, Hunan University, Changsha, Hunan, People\u2019s Republic of China","institution_ids":["https://openalex.org/I16609230","https://openalex.org/I4391767752"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5061282830","display_name":"Edward S. Yeung","orcid":"https://orcid.org/0000-0003-0919-6700","observed_orcids":["https://orcid.org/0000-0003-0919-6700"]},"institutions":[{"id":"https://openalex.org/I16609230","display_name":"Hunan University","ror":"https://ror.org/05htk5m33","country_code":"CN","type":"education","lineage":["https://openalex.org/I16609230"]},{"id":"https://openalex.org/I4391767752","display_name":"State Key Laboratory of Chemobiosensing and Chemometrics","ror":"https://ror.org/05vg20182","country_code":"CN","type":"facility","lineage":["https://openalex.org/I16609230","https://openalex.org/I4391767752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Edward S. Yeung","raw_affiliation_strings":["College of Chemistry and\rChemical Engineering, College of Biology, State Key Laboratory\rof Chemo/Biosensing and Chemometrics, Hunan University, Changsha, Hunan, People\u2019s Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Chemistry and\rChemical Engineering, College of Biology, State Key Laboratory\rof Chemo/Biosensing and Chemometrics, Hunan University, Changsha, Hunan, People\u2019s Republic of China","institution_ids":["https://openalex.org/I16609230","https://openalex.org/I4391767752"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5100702224"],"corresponding_institution_ids":["https://openalex.org/I16609230","https://openalex.org/I4391767752"],"apc_list":{"value":4500,"currency":"USD","value_usd":4500},"apc_paid":null,"fwci":9.5016,"has_fulltext":false,"cited_by_count":236,"citation_normalized_percentile":{"value":0.98894139,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":100},"biblio":{"volume":"86","issue":"1","first_page":"419","last_page":"426"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12149","display_name":"Nanocluster Synthesis and Applications","score":0.9564999938011169,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12149","display_name":"Nanocluster Synthesis and Applications","score":0.9564999938011169,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10131","display_name":"Gold and Silver Nanoparticles Synthesis and Applications","score":0.038600001484155655,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10532","display_name":"Molecular Sensors and Ion Detection","score":0.0010000000474974513,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/copper-ion-detection","display_name":"copper ion detection","score":0.9819999933242798},{"id":"https://openalex.org/keywords/silver-nanoclusters","display_name":"silver nanoclusters","score":0.9330000281333923},{"id":"https://openalex.org/keywords/hyperbranched-polyethylenimine","display_name":"hyperbranched polyethyleneimine","score":0.9309999942779541},{"id":"https://openalex.org/keywords/vision-based-sensing","display_name":"visual sensing","score":0.6629999876022339},{"id":"https://openalex.org/keywords/nanoprobes","display_name":"nanoprobes","score":0.7269999980926514},{"id":"https://openalex.org/keywords/agarose-gel","display_name":"agarose gel","score":0.9079999923706055},{"id":"https://openalex.org/keywords/water-quality-monitoring","display_name":"water quality monitoring","score":0.9430000185966492},{"id":"https://openalex.org/keywords/heavy-metal-pollution","display_name":"heavy metal contamination","score":0.6439999938011169},{"id":"https://openalex.org/keywords/nanocluster-stability","display_name":"nanocluster stability","score":0.621999979019165},{"id":"https://openalex.org/keywords/one-pot-synthesis","display_name":"one-pot synthesis","score":0.6840000152587891}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.8540499806404114},{"id":"https://openalex.org/C119128265","wikidata":"https://www.wikidata.org/wiki/Q900165","display_name":"Detection limit","level":2,"score":0.7759290933609009},{"id":"https://openalex.org/C2778402822","wikidata":"https://www.wikidata.org/wiki/Q22302226","display_name":"Nanoclusters","level":2,"score":0.712348461151123},{"id":"https://openalex.org/C544778455","wikidata":"https://www.wikidata.org/wiki/Q753","display_name":"Copper","level":2,"score":0.6871410608291626},{"id":"https://openalex.org/C184651966","wikidata":"https://www.wikidata.org/wiki/Q906356","display_name":"Aqueous solution","level":2,"score":0.49592551589012146},{"id":"https://openalex.org/C2778476535","wikidata":"https://www.wikidata.org/wiki/Q390697","display_name":"Agarose","level":2,"score":0.430886447429657},{"id":"https://openalex.org/C71572567","wikidata":"https://www.wikidata.org/wiki/Q864231","display_name":"Bioaccumulation","level":2,"score":0.413442462682724},{"id":"https://openalex.org/C82685317","wikidata":"https://www.wikidata.org/wiki/Q19829510","display_name":"Pollutant","level":2,"score":0.4115179777145386},{"id":"https://openalex.org/C13965031","wikidata":"https://www.wikidata.org/wiki/Q243545","display_name":"Nuclear chemistry","level":1,"score":0.38455185294151306},{"id":"https://openalex.org/C107872376","wikidata":"https://www.wikidata.org/wiki/Q321355","display_name":"Environmental chemistry","level":1,"score":0.37566399574279785},{"id":"https://openalex.org/C171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","level":1,"score":0.35515525937080383},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.2154361605644226},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.10278502106666565},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0}],"mesh":[{"descriptor_ui":"D003300","descriptor_name":"Copper","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D007477","descriptor_name":"Ions","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011094","descriptor_name":"Polyethyleneimine","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":true},{"descriptor_ui":"D012834","descriptor_name":"Silver","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":true},{"descriptor_ui":"D053768","descriptor_name":"Metal Nanoparticles","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":true},{"descriptor_ui":"D056951","descriptor_name":"Photoelectron Spectroscopy","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D056951","descriptor_name":"Photoelectron Spectroscopy","qualifier_ui":"Q000592","qualifier_name":"standards","is_major_topic":false},{"descriptor_ui":"D057230","descriptor_name":"Limit of Detection","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1021/ac402158j","doi":"https://doi.org/10.1021/ac402158j","is_oa":false,"landing_page_url":"https://doi.org/10.1021/ac402158j","pdf_url":null,"source":{"id":"https://openalex.org/S191963794","display_name":"Analytical Chemistry","issn_l":"0003-2700","issn":["0003-2700","1520-6882"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","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":"Analytical Chemistry","raw_type":"journal-article"},{"id":"pmid:24274096","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/24274096","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":"Analytical chemistry","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Clean water and sanitation","id":"https://metadata.un.org/sdg/6","score":0.6618000268936157}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":56,"referenced_works":["https://openalex.org/W1902312735","https://openalex.org/W1967784525","https://openalex.org/W1967964480","https://openalex.org/W1968044382","https://openalex.org/W1970503230","https://openalex.org/W1972779889","https://openalex.org/W1972804175","https://openalex.org/W1973695166","https://openalex.org/W1976801091","https://openalex.org/W1979368197","https://openalex.org/W1983125806","https://openalex.org/W1985786477","https://openalex.org/W1987554411","https://openalex.org/W1987914482","https://openalex.org/W1989987141","https://openalex.org/W1991039509","https://openalex.org/W1992650130","https://openalex.org/W1993892455","https://openalex.org/W1996707588","https://openalex.org/W1996845160","https://openalex.org/W1997136694","https://openalex.org/W2000481736","https://openalex.org/W2009727206","https://openalex.org/W2009932039","https://openalex.org/W2010287396","https://openalex.org/W2011005289","https://openalex.org/W2011240632","https://openalex.org/W2013787274","https://openalex.org/W2017031026","https://openalex.org/W2034412692","https://openalex.org/W2035516583","https://openalex.org/W2037113654","https://openalex.org/W2037371583","https://openalex.org/W2037571740","https://openalex.org/W2040651430","https://openalex.org/W2043730665","https://openalex.org/W2046734384","https://openalex.org/W2057930629","https://openalex.org/W2063074514","https://openalex.org/W2067784322","https://openalex.org/W2067816499","https://openalex.org/W2074967407","https://openalex.org/W2083270718","https://openalex.org/W2089090262","https://openalex.org/W2090703666","https://openalex.org/W2093366385","https://openalex.org/W2094627594","https://openalex.org/W2101550675","https://openalex.org/W2104760032","https://openalex.org/W2119583813","https://openalex.org/W2148403956","https://openalex.org/W2157628741","https://openalex.org/W2158546379","https://openalex.org/W2159984983","https://openalex.org/W2161313073","https://openalex.org/W2317588747"],"related_works":["https://openalex.org/W1570182028","https://openalex.org/W2607401489","https://openalex.org/W4401354759","https://openalex.org/W7204955075","https://openalex.org/W2804268546","https://openalex.org/W1973332988","https://openalex.org/W1976801091","https://openalex.org/W1991395587","https://openalex.org/W4410316233","https://openalex.org/W2967505563"],"abstract_inverted_index":{"Copper":[0],"is":[1,14,26],"a":[2,43,77],"highly":[3],"toxic":[4],"environmental":[5],"pollutant":[6],"with":[7,76],"bioaccumulative":[8],"properties.":[9],"Therefore,":[10],"sensitive":[11,67],"Cu(2+)":[12,70,98],"detection":[13,22],"very":[15,53],"important":[16],"to":[17],"prevent":[18],"over-ingestion,":[19],"and":[20,61,63,68,93,99],"visual":[21,97],"using":[23,42],"unaugmented":[24],"vision":[25],"preferred":[27],"for":[28,96],"practical":[29],"applications.":[30],"In":[31,83],"this":[32],"study,":[33],"hyperbranched":[34],"polyethyleneimine-protected":[35],"silver":[36],"nanoclusters":[37],"(hPEI-AgNCs)":[38],"were":[39,52,88],"successfully":[40],"synthesized":[41],"facile,":[44],"one-pot":[45],"reaction":[46],"under":[47],"mild":[48],"conditions.":[49],"The":[50],"hPEI-AgNCs":[51],"stable":[54],"against":[55],"extreme":[56],"pH,":[57],"ionic":[58],"strength,":[59],"temperature,":[60],"photoillumination":[62],"could":[64],"act":[65],"as":[66,90],"selective":[69],"sensing":[71],"nanoprobes":[72],"in":[73],"aqueous":[74],"solutions":[75],"10":[78],"nM":[79],"limit":[80],"of":[81],"detection.":[82],"addition,":[84],"hPEI-AgNCs-doped":[85],"agarose":[86],"hydrogels":[87],"developed":[89],"an":[91],"instrument-free":[92],"regenerable":[94],"platform":[95],"water":[100],"quality":[101],"monitoring.":[102]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":15},{"year":2023,"cited_by_count":9},{"year":2022,"cited_by_count":24},{"year":2021,"cited_by_count":12},{"year":2020,"cited_by_count":21},{"year":2019,"cited_by_count":22},{"year":2018,"cited_by_count":24},{"year":2017,"cited_by_count":35},{"year":2016,"cited_by_count":26},{"year":2015,"cited_by_count":22},{"year":2014,"cited_by_count":19}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
