{"id":"https://openalex.org/W2134314387","doi":"https://doi.org/10.3390/s90200881","title":"Direct Electrochemistry of Horseradish Peroxidase-Gold Nanoparticles Conjugate","display_name":"Direct Electrochemistry of Horseradish Peroxidase-Gold Nanoparticles Conjugate","publication_year":2009,"publication_date":"2009-02-10","ids":{"openalex":"https://openalex.org/W2134314387","doi":"https://doi.org/10.3390/s90200881","mag":"2134314387","pmid":"https://pubmed.ncbi.nlm.nih.gov/22399945"},"language":"en","primary_location":{"id":"doi:10.3390/s90200881","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s90200881","pdf_url":"https://www.mdpi.com/1424-8220/9/2/881/pdf?version=1403311274","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/1424-8220/9/2/881/pdf?version=1403311274","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5037896213","display_name":"Gautham Kumar Ahirwal","orcid":null},"institutions":[{"id":"https://openalex.org/I36893310","display_name":"University of Hyderabad","ror":"https://ror.org/04a7rxb17","country_code":"IN","type":"education","lineage":["https://openalex.org/I36893310"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Gautham Kumar Ahirwal","raw_affiliation_strings":["Department of Biochemistry, School of Life Sciences, University of Hyderabad, Hyderabad, Andhra Pradesh, 500 046 India"],"affiliations":[{"raw_affiliation_string":"Department of Biochemistry, School of Life Sciences, University of Hyderabad, Hyderabad, Andhra Pradesh, 500 046 India","institution_ids":["https://openalex.org/I36893310"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5041750997","display_name":"Chanchal K. Mitra","orcid":"https://orcid.org/0009-0008-1144-3188"},"institutions":[{"id":"https://openalex.org/I36893310","display_name":"University of Hyderabad","ror":"https://ror.org/04a7rxb17","country_code":"IN","type":"education","lineage":["https://openalex.org/I36893310"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Chanchal   K. Mitra","raw_affiliation_strings":["Department of Biochemistry, School of Life Sciences, University of Hyderabad, Hyderabad, Andhra Pradesh, 500 046 India"],"affiliations":[{"raw_affiliation_string":"Department of Biochemistry, School of Life Sciences, University of Hyderabad, Hyderabad, Andhra Pradesh, 500 046 India","institution_ids":["https://openalex.org/I36893310"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5041750997"],"corresponding_institution_ids":["https://openalex.org/I36893310"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":4.5723,"has_fulltext":true,"cited_by_count":52,"citation_normalized_percentile":{"value":0.94826506,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"9","issue":"2","first_page":"881","last_page":"894"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10212","display_name":"Electrochemical sensors and biosensors","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T10212","display_name":"Electrochemical sensors and biosensors","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T10207","display_name":"Advanced biosensing and bioanalysis techniques","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11434","display_name":"Electrochemical Analysis and Applications","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/1603","display_name":"Electrochemistry"},"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/horseradish-peroxidase","display_name":"Horseradish peroxidase","score":0.9344756007194519},{"id":"https://openalex.org/keywords/conjugate","display_name":"Conjugate","score":0.7685447335243225},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.6908621788024902},{"id":"https://openalex.org/keywords/biosensor","display_name":"Biosensor","score":0.6755823493003845},{"id":"https://openalex.org/keywords/colloidal-gold","display_name":"Colloidal gold","score":0.6550552845001221},{"id":"https://openalex.org/keywords/covalent-bond","display_name":"Covalent bond","score":0.569436252117157},{"id":"https://openalex.org/keywords/electrode","display_name":"Electrode","score":0.5423023104667664},{"id":"https://openalex.org/keywords/electrochemistry","display_name":"Electrochemistry","score":0.5400108098983765},{"id":"https://openalex.org/keywords/immobilized-enzyme","display_name":"Immobilized enzyme","score":0.5142690539360046},{"id":"https://openalex.org/keywords/nanoparticle","display_name":"Nanoparticle","score":0.46314191818237305},{"id":"https://openalex.org/keywords/combinatorial-chemistry","display_name":"Combinatorial chemistry","score":0.4620577096939087},{"id":"https://openalex.org/keywords/adsorption","display_name":"Adsorption","score":0.4355233311653137},{"id":"https://openalex.org/keywords/nuclear-chemistry","display_name":"Nuclear chemistry","score":0.4179961085319519},{"id":"https://openalex.org/keywords/chromatography","display_name":"Chromatography","score":0.386516273021698},{"id":"https://openalex.org/keywords/nanotechnology","display_name":"Nanotechnology","score":0.2790699899196625},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.2000415027141571},{"id":"https://openalex.org/keywords/enzyme","display_name":"Enzyme","score":0.19632509350776672},{"id":"https://openalex.org/keywords/organic-chemistry","display_name":"Organic chemistry","score":0.16977307200431824},{"id":"https://openalex.org/keywords/biochemistry","display_name":"Biochemistry","score":0.15449616312980652},{"id":"https://openalex.org/keywords/physical-chemistry","display_name":"Physical chemistry","score":0.04211318492889404}],"concepts":[{"id":"https://openalex.org/C2777676563","wikidata":"https://www.wikidata.org/wiki/Q413665","display_name":"Horseradish peroxidase","level":3,"score":0.9344756007194519},{"id":"https://openalex.org/C197336794","wikidata":"https://www.wikidata.org/wiki/Q5161150","display_name":"Conjugate","level":2,"score":0.7685447335243225},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.6908621788024902},{"id":"https://openalex.org/C160756335","wikidata":"https://www.wikidata.org/wiki/Q669391","display_name":"Biosensor","level":2,"score":0.6755823493003845},{"id":"https://openalex.org/C104819515","wikidata":"https://www.wikidata.org/wiki/Q900961","display_name":"Colloidal gold","level":3,"score":0.6550552845001221},{"id":"https://openalex.org/C180577832","wikidata":"https://www.wikidata.org/wiki/Q127920","display_name":"Covalent bond","level":2,"score":0.569436252117157},{"id":"https://openalex.org/C17525397","wikidata":"https://www.wikidata.org/wiki/Q176140","display_name":"Electrode","level":2,"score":0.5423023104667664},{"id":"https://openalex.org/C52859227","wikidata":"https://www.wikidata.org/wiki/Q7877","display_name":"Electrochemistry","level":3,"score":0.5400108098983765},{"id":"https://openalex.org/C33633552","wikidata":"https://www.wikidata.org/wiki/Q904145","display_name":"Immobilized enzyme","level":3,"score":0.5142690539360046},{"id":"https://openalex.org/C155672457","wikidata":"https://www.wikidata.org/wiki/Q61231","display_name":"Nanoparticle","level":2,"score":0.46314191818237305},{"id":"https://openalex.org/C21951064","wikidata":"https://www.wikidata.org/wiki/Q899212","display_name":"Combinatorial chemistry","level":1,"score":0.4620577096939087},{"id":"https://openalex.org/C150394285","wikidata":"https://www.wikidata.org/wiki/Q180254","display_name":"Adsorption","level":2,"score":0.4355233311653137},{"id":"https://openalex.org/C13965031","wikidata":"https://www.wikidata.org/wiki/Q243545","display_name":"Nuclear chemistry","level":1,"score":0.4179961085319519},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.386516273021698},{"id":"https://openalex.org/C171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","level":1,"score":0.2790699899196625},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.2000415027141571},{"id":"https://openalex.org/C181199279","wikidata":"https://www.wikidata.org/wiki/Q8047","display_name":"Enzyme","level":2,"score":0.19632509350776672},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.16977307200431824},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.15449616312980652},{"id":"https://openalex.org/C147789679","wikidata":"https://www.wikidata.org/wiki/Q11372","display_name":"Physical chemistry","level":1,"score":0.04211318492889404},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0}],"mesh":[],"locations_count":6,"locations":[{"id":"doi:10.3390/s90200881","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s90200881","pdf_url":"https://www.mdpi.com/1424-8220/9/2/881/pdf?version=1403311274","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:22399945","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/22399945","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:CiteSeerX.psu:10.1.1.271.6782","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.271.6782","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ftp://ftp.ncbi.nlm.nih.gov/pub/pmc/ff/7c/Sensors_(Basel)_2009_Feb_10_9(2)_881-894.tar.gz","raw_type":"text"},{"id":"pmh:oai:doaj.org/article:134253fc91f04c01adc5771445e0b52f","is_oa":true,"landing_page_url":"https://doaj.org/article/134253fc91f04c01adc5771445e0b52f","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"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 9, Iss 2, Pp 881-894 (2009)","raw_type":"article"},{"id":"pmh:oai:europepmc.org:2305477","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/3280837","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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Text"},{"id":"pmh:oai:mdpi.com:/1424-8220/9/2/881/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s90200881","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; Volume 9; Issue 2; Pages: 881-894","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s90200881","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s90200881","pdf_url":"https://www.mdpi.com/1424-8220/9/2/881/pdf?version=1403311274","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":[{"score":0.5099999904632568,"display_name":"Clean water and sanitation","id":"https://metadata.un.org/sdg/6"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320320721","display_name":"Council of Scientific and Industrial Research, India","ror":"https://ror.org/021wm7p51"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2134314387.pdf","grobid_xml":"https://content.openalex.org/works/W2134314387.grobid-xml"},"referenced_works_count":45,"referenced_works":["https://openalex.org/W1873078071","https://openalex.org/W1964434760","https://openalex.org/W1964959384","https://openalex.org/W1967762036","https://openalex.org/W1968044889","https://openalex.org/W1976904748","https://openalex.org/W1977125458","https://openalex.org/W1978906357","https://openalex.org/W1981089252","https://openalex.org/W1989642430","https://openalex.org/W1989642666","https://openalex.org/W1992272938","https://openalex.org/W1996094747","https://openalex.org/W2003166362","https://openalex.org/W2006334800","https://openalex.org/W2013113223","https://openalex.org/W2014062194","https://openalex.org/W2018479401","https://openalex.org/W2021749001","https://openalex.org/W2021781952","https://openalex.org/W2024598687","https://openalex.org/W2028319584","https://openalex.org/W2028686420","https://openalex.org/W2042994271","https://openalex.org/W2046890061","https://openalex.org/W2047055772","https://openalex.org/W2049085313","https://openalex.org/W2051617987","https://openalex.org/W2052566608","https://openalex.org/W2057310915","https://openalex.org/W2061817974","https://openalex.org/W2062470136","https://openalex.org/W2067830763","https://openalex.org/W2073876347","https://openalex.org/W2076412363","https://openalex.org/W2078288154","https://openalex.org/W2087195852","https://openalex.org/W2088767001","https://openalex.org/W2090110748","https://openalex.org/W2096646562","https://openalex.org/W2113582669","https://openalex.org/W2127782510","https://openalex.org/W2156423980","https://openalex.org/W2166369971","https://openalex.org/W2317086310"],"related_works":["https://openalex.org/W2791377131","https://openalex.org/W2062221185","https://openalex.org/W2351125458","https://openalex.org/W1989389161","https://openalex.org/W3023617241","https://openalex.org/W2464751492","https://openalex.org/W2027421392","https://openalex.org/W1967453416","https://openalex.org/W2034022279","https://openalex.org/W2886009188"],"abstract_inverted_index":{"We":[0],"have":[1],"studied":[2],"the":[3,23,72,94,97,103,106,112,130,154,161],"direct":[4],"electrochemistry":[5],"of":[6,25,74,87,96,102,109,114,129,135,160],"horseradish":[7],"peroxidase":[8],"(HRP)":[9],"coupled":[10],"to":[11,52,71,125,150],"gold":[12,64],"nanoparticles":[13],"(AuNP)":[14],"using":[15],"electrochemical":[16],"techniques,":[17],"which":[18,137],"provide":[19],"some":[20],"insight":[21],"in":[22,36],"application":[24],"biosensors":[26],"as":[27],"tools":[28],"for":[29,169],"diagnostics":[30,38],"because":[31],"HRP":[32,88],"is":[33,144],"widely":[34],"used":[35,168],"clinical":[37],"kits.":[39],"AuNP":[40,90],"capped":[41],"with":[42,76,119],"(i)":[43],"glutathione":[44],"and":[45,79,89,143],"(ii)":[46],"lipoic":[47],"acid":[48],"was":[49],"covalently":[50],"linked":[51],"HRP.":[53],"The":[54,84,100,127,163],"immobilized":[55,164],"HRP/AuNP":[56],"conjugate":[57],"showed":[58,111],"characteristic":[59],"redox":[60],"peaks":[61],"at":[62],"a":[63],"electrode.":[65],"It":[66],"displayed":[67],"good":[68,77],"electrocatalytic":[69],"response":[70,101],"reduction":[73],"H(2)O(2),":[75],"sensitivity":[78],"without":[80],"any":[81],"electron":[82],"mediator.":[83],"covalent":[85],"linking":[86],"did":[91],"not":[92],"affect":[93],"activity":[95],"enzyme":[98,117],"significantly.":[99],"electrode":[104],"towards":[105],"different":[107],"concentrations":[108],"H(2)O(2)":[110],"characteristics":[113],"Michaelis":[115],"Menten":[116],"kinetics":[118],"an":[120],"optimum":[121],"pH":[122],"between":[123],"7.0":[124],"8.0.":[126],"preparation":[128],"sensor":[131],"involves":[132],"single":[133],"layer":[134],"enzyme,":[136],"can":[138,166],"be":[139,167],"carried":[140],"out":[141],"efficiently":[142],"also":[145],"highly":[146],"reproducible":[147],"when":[148],"compared":[149],"other":[151],"systems":[152],"involving":[153],"layer-by-layer":[155],"assembly,":[156],"adsorption":[157],"or":[158],"encapsulation":[159],"enzyme.":[162],"AuNP-HRP":[165],"immunosensor":[170],"applications.":[171]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":7},{"year":2015,"cited_by_count":6},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":7}],"updated_date":"2026-04-21T08:09:41.155169","created_date":"2025-10-10T00:00:00"}
