{"id":"https://openalex.org/W7224609786","doi":"https://doi.org/10.18502/kls.v10i2.21959","title":"Method Verification and Absorption of Cr6+ Ion by the Bacterium Streptococcus sobrinus","display_name":"Method Verification and Absorption of Cr6+ Ion by the Bacterium Streptococcus sobrinus","publication_year":2026,"publication_date":"2026-10-29","ids":{"openalex":"https://openalex.org/W7224609786","doi":"https://doi.org/10.18502/kls.v10i2.21959"},"language":"en","primary_location":{"id":"doi:10.18502/kls.v10i2.21959","doi":"https://doi.org/10.18502/kls.v10i2.21959","is_oa":true,"landing_page_url":"https://doi.org/10.18502/kls.v10i2.21959","pdf_url":null,"source":{"id":"https://openalex.org/S2764445618","display_name":"KnE Life Sciences","issn_l":"2413-0877","issn":["2413-0877"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310319396","host_organization_name":"Knowledge E","host_organization_lineage":["https://openalex.org/P4310319396"],"host_organization_lineage_names":["Knowledge E"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"KnE Life Sciences","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://doi.org/10.18502/kls.v10i2.21959","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5160103912","display_name":"Riansyah Dimas Pratama","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I47689905","display_name":"Mulawarman University","ror":"https://ror.org/02kwq2y85","country_code":"ID","type":"education","lineage":["https://openalex.org/I47689905"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Riansyah Dimas Pratama","raw_affiliation_strings":["Department of Chemistry, Faculty of Mathematics and Natural Sciences, Mulawarman University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry, Faculty of Mathematics and Natural Sciences, Mulawarman University","institution_ids":["https://openalex.org/I47689905"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108734366","display_name":"Rudi Kartika","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I47689905","display_name":"Mulawarman University","ror":"https://ror.org/02kwq2y85","country_code":"ID","type":"education","lineage":["https://openalex.org/I47689905"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Rudi Kartika","raw_affiliation_strings":["Department of Chemistry, Faculty of Mathematics and Natural Sciences, Mulawarman University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry, Faculty of Mathematics and Natural Sciences, Mulawarman University","institution_ids":["https://openalex.org/I47689905"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5008358603","display_name":"Rahmat Gunawan","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I47689905","display_name":"Mulawarman University","ror":"https://ror.org/02kwq2y85","country_code":"ID","type":"education","lineage":["https://openalex.org/I47689905"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Rahmat Gunawan","raw_affiliation_strings":["Department of Chemistry, Faculty of Mathematics and Natural Sciences, Mulawarman University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry, Faculty of Mathematics and Natural Sciences, Mulawarman University","institution_ids":["https://openalex.org/I47689905"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I47689905"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.81599023,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"10","issue":"2","first_page":"731","last_page":"744"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11972","display_name":"Chromium effects and bioremediation","score":0.9961000084877014,"subfield":{"id":"https://openalex.org/subfields/2307","display_name":"Health, Toxicology and Mutagenesis"},"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/T11972","display_name":"Chromium effects and bioremediation","score":0.9961000084877014,"subfield":{"id":"https://openalex.org/subfields/2307","display_name":"Health, Toxicology and Mutagenesis"},"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/T10016","display_name":"Adsorption and biosorption for pollutant removal","score":0.003599999938160181,"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/T12780","display_name":"Heavy Metal Pollution Remediation","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"}}],"keywords":[{"id":"https://openalex.org/keywords/hexavalent-chromium","display_name":"hexavalent chromium","score":0.9760000109672546},{"id":"https://openalex.org/keywords/cr-vi-biosorption","display_name":"Cr(VI) biosorption","score":0.9179999828338623},{"id":"https://openalex.org/keywords/streptococcus-sobrinus","display_name":"Streptococcus sobrinus","score":0.9990000128746033},{"id":"https://openalex.org/keywords/bacterial-biosorbents","display_name":"bacterial biosorbents","score":0.875},{"id":"https://openalex.org/keywords/heavy-metal-removal","display_name":"heavy metal removal","score":0.7839999794960022},{"id":"https://openalex.org/keywords/luria-bertani-medium","display_name":"Luria-Bertani medium","score":0.6700000166893005},{"id":"https://openalex.org/keywords/biosorption-optimization","display_name":"biosorption optimization","score":0.5329999923706055},{"id":"https://openalex.org/keywords/method-verification","display_name":"method verification","score":0.46399998664855957}],"concepts":[{"id":"https://openalex.org/C2776812703","wikidata":"https://www.wikidata.org/wiki/Q4915288","display_name":"Biosorption","level":4,"score":0.8648999929428101},{"id":"https://openalex.org/C2779958046","wikidata":"https://www.wikidata.org/wiki/Q603315","display_name":"Streptococcus sobrinus","level":4,"score":0.832099974155426},{"id":"https://openalex.org/C523546767","wikidata":"https://www.wikidata.org/wiki/Q10876","display_name":"Bacteria","level":2,"score":0.652899980545044},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.6355000138282776},{"id":"https://openalex.org/C125287762","wikidata":"https://www.wikidata.org/wiki/Q1758948","display_name":"Absorption (acoustics)","level":2,"score":0.5552999973297119},{"id":"https://openalex.org/C544153396","wikidata":"https://www.wikidata.org/wiki/Q11426","display_name":"Metal","level":2,"score":0.44679999351501465},{"id":"https://openalex.org/C33619061","wikidata":"https://www.wikidata.org/wiki/Q655346","display_name":"Atomic absorption spectroscopy","level":2,"score":0.44190001487731934},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.35429999232292175},{"id":"https://openalex.org/C199164860","wikidata":"https://www.wikidata.org/wiki/Q6822745","display_name":"Metal ions in aqueous solution","level":3,"score":0.3474000096321106},{"id":"https://openalex.org/C89423630","wikidata":"https://www.wikidata.org/wiki/Q7193","display_name":"Microbiology","level":1,"score":0.3359000086784363},{"id":"https://openalex.org/C70784841","wikidata":"https://www.wikidata.org/wiki/Q7598338","display_name":"Standard curve","level":2,"score":0.31200000643730164},{"id":"https://openalex.org/C13965031","wikidata":"https://www.wikidata.org/wiki/Q243545","display_name":"Nuclear chemistry","level":1,"score":0.30649998784065247},{"id":"https://openalex.org/C31903555","wikidata":"https://www.wikidata.org/wiki/Q1637030","display_name":"Food science","level":1,"score":0.2912999987602234},{"id":"https://openalex.org/C2991860470","wikidata":"https://www.wikidata.org/wiki/Q47232","display_name":"Absorption capacity","level":2,"score":0.27810001373291016},{"id":"https://openalex.org/C113196181","wikidata":"https://www.wikidata.org/wiki/Q485223","display_name":"Analytical Chemistry (journal)","level":2,"score":0.2671999931335449},{"id":"https://openalex.org/C511782168","wikidata":"https://www.wikidata.org/wiki/Q725","display_name":"Chromium","level":2,"score":0.25859999656677246}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.18502/kls.v10i2.21959","doi":"https://doi.org/10.18502/kls.v10i2.21959","is_oa":true,"landing_page_url":"https://doi.org/10.18502/kls.v10i2.21959","pdf_url":null,"source":{"id":"https://openalex.org/S2764445618","display_name":"KnE Life Sciences","issn_l":"2413-0877","issn":["2413-0877"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310319396","host_organization_name":"Knowledge E","host_organization_lineage":["https://openalex.org/P4310319396"],"host_organization_lineage_names":["Knowledge E"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"KnE Life Sciences","raw_type":"journal-article"},{"id":"pmh:oai:ojs.www.knepublishing.com:article/21959","doi":null,"is_oa":true,"landing_page_url":"https://knepublishing.com/index.php/KnE-Life/article/view/21959","pdf_url":null,"source":{"id":"https://openalex.org/S4306401190","display_name":"Knowledge E (Knowledge E)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"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":"2413-0877","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"doi:10.18502/kls.v10i2.21959","doi":"https://doi.org/10.18502/kls.v10i2.21959","is_oa":true,"landing_page_url":"https://doi.org/10.18502/kls.v10i2.21959","pdf_url":null,"source":{"id":"https://openalex.org/S2764445618","display_name":"KnE Life Sciences","issn_l":"2413-0877","issn":["2413-0877"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310319396","host_organization_name":"Knowledge E","host_organization_lineage":["https://openalex.org/P4310319396"],"host_organization_lineage_names":["Knowledge E"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"KnE Life Sciences","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Clean water and sanitation","id":"https://metadata.un.org/sdg/6","score":0.6618000268936157}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1755317060","https://openalex.org/W2123661253","https://openalex.org/W2736826224","https://openalex.org/W2966352660","https://openalex.org/W4221044542","https://openalex.org/W4312680688","https://openalex.org/W4312916518","https://openalex.org/W4313128225","https://openalex.org/W4382403231"],"related_works":["https://openalex.org/W6980251330","https://openalex.org/W2791567105","https://openalex.org/W7034720468","https://openalex.org/W3143816405","https://openalex.org/W2033990622","https://openalex.org/W7097126648","https://openalex.org/W1965308061","https://openalex.org/W2047799387","https://openalex.org/W2048856138","https://openalex.org/W2901017018"],"abstract_inverted_index":{"Research":[0],"has":[1],"been":[2,45],"carried":[3,19,56,92,110,131],"out":[4,20,57,93,111,132],"on":[5,150],"the":[6,23,32,48,66,80,123,127],"biosorption":[7,161],"of":[8,61,65,71,73,85,89,106,122,141,143,156,163],"hexavalent":[9],"chromium":[10],"Cr(VI)":[11,41,74,90,107,125,144,173],"metal":[12,108,174],"using":[13,79],"Streptococcus":[14],"sobrinus":[15,77,147,169],"bacteria.":[16],"Biosorption":[17],"is":[18,91,109,130],"by":[21,47,75,145],"exposing":[22],"growing":[24,128],"media,":[25],"namely":[26],"Luria":[27],"Bertani.":[28],"In":[29],"this":[30],"study,":[31],"diphenyl":[33],"carbazide":[34],"method":[35],"was":[36,55],"used":[37],"to":[38],"analyze":[39],"residual":[40],"levels":[42],"that":[43,167],"had":[44],"absorbed":[46],"bacteria":[49,78,148,170],"S.":[50,76,146,168],"sobrinus.":[51],"Optical":[52],"density":[53],"determination":[54],"at":[58,153],"a":[59,86,154,160],"wavelength":[60],"610":[62],"nm.":[63],"Determination":[64],"concentration":[67,97,113,138,155],"and":[68,139],"optimum":[69,137],"time":[70,140],"absorption":[72,105,142],"spectrophotometer":[81],"method.":[82],"The":[83,104,136],"creation":[84],"standard":[87],"curve":[88],"with":[94,112,159],"variations":[95,114],"in":[96,126],"(0.5,":[98],"0.75,":[99],"1,":[100],"1.25,":[101],"1.5)":[102],"ppm.":[103,120],"(5,":[115],"7.5,":[116],"10,":[117],"12.5,":[118],"15)":[119],"Measurement":[121],"remaining":[124],"medium":[129],"every":[133],"48":[134],"hours.":[135],"occurred":[149],"day":[151],"4":[152],"5":[157],"ppm":[158],"percent":[162],"80.41%.":[164],"This":[165],"suggests":[166],"function":[171],"as":[172],"biosorbents.":[175]},"counts_by_year":[],"updated_date":"2026-11-01T11:40:01.658920","created_date":"2026-10-30T00:00:00"}