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Elmas, Sukriye Nihan Karuk; Gunay, Ibrahim Berk; Koran, Kenan; Ozen, Furkan; Aydin, Duygu; Arslan, Fatma Nur; Gorgulu, Ahmet Orhan; Yilmaz, Ibrahim
<?xml version='1.0' encoding='utf-8'?> <resource xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://datacite.org/schema/kernel-4" xsi:schemaLocation="http://datacite.org/schema/kernel-4 http://schema.datacite.org/meta/kernel-4.1/metadata.xsd"> <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/72097</identifier> <creators> <creator> <creatorName>Elmas, Sukriye Nihan Karuk</creatorName> <givenName>Sukriye Nihan Karuk</givenName> <familyName>Elmas</familyName> <affiliation>Karamanoglu Mehmetbey Univ, Dept Chem, TR-70100 Karaman, Turkey</affiliation> </creator> <creator> <creatorName>Gunay, Ibrahim Berk</creatorName> <givenName>Ibrahim Berk</givenName> <familyName>Gunay</familyName> <affiliation>Karamanoglu Mehmetbey Univ, Dept Chem, TR-70100 Karaman, Turkey</affiliation> </creator> <creator> <creatorName>Koran, Kenan</creatorName> <givenName>Kenan</givenName> <familyName>Koran</familyName> <affiliation>Firat Univ, Dept Chem, Elazig, Turkey</affiliation> </creator> <creator> <creatorName>Ozen, Furkan</creatorName> <givenName>Furkan</givenName> <familyName>Ozen</familyName> <affiliation>Akdeniz Univ, Dept Math & Sci, Antalya, Turkey</affiliation> </creator> <creator> <creatorName>Aydin, Duygu</creatorName> <givenName>Duygu</givenName> <familyName>Aydin</familyName> <affiliation>Karamanoglu Mehmetbey Univ, Dept Chem, TR-70100 Karaman, Turkey</affiliation> </creator> <creator> <creatorName>Arslan, Fatma Nur</creatorName> <givenName>Fatma Nur</givenName> <familyName>Arslan</familyName> </creator> <creator> <creatorName>Gorgulu, Ahmet Orhan</creatorName> <givenName>Ahmet Orhan</givenName> <familyName>Gorgulu</familyName> <affiliation>Firat Univ, Dept Chem, Elazig, Turkey</affiliation> </creator> <creator> <creatorName>Yilmaz, Ibrahim</creatorName> <givenName>Ibrahim</givenName> <familyName>Yilmaz</familyName> <affiliation>Karamanoglu Mehmetbey Univ, Dept Chem, TR-70100 Karaman, Turkey</affiliation> </creator> </creators> <titles> <title>An Ultrasensitive And Selective 'Turn Off' Fluorescent Sensor With Simple Operation For The Determination Of Trace Copper (Ii) Ions In Water And Various Beverage Samples</title> </titles> <publisher>Aperta</publisher> <publicationYear>2019</publicationYear> <dates> <date dateType="Issued">2019-01-01</date> </dates> <resourceType resourceTypeGeneral="Text">Journal article</resourceType> <alternateIdentifiers> <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/72097</alternateIdentifier> </alternateIdentifiers> <relatedIdentifiers> <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1080/10610278.2019.1702195</relatedIdentifier> </relatedIdentifiers> <rightsList> <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights> <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights> </rightsList> <descriptions> <description descriptionType="Abstract">Considering vital roles of trace copper ions for the health of humans, it is critical to sensitively detect it in foodstuffs. Herein, an ultrasensitive and cost-effective coumarin based fluorescent strategy with a "turn-off" signal was developed for specific detection of trace Cu2+ ions. Synthesis of 6,7-dihydroxy-3-(3-methylphenyl)coumarin (TMAC) probe was performed and characterized. The developed fluorescent probe presented excellent selectivity. The limit of detection of the sensor can reach as low as 5.13 nM in ACN/H2O (v/v=95/5) buffered by 5 mu M HEPES buffer at pH = 7.0, and it is below the World Health Organization (WHO) guideline for drinking water (31.5 mu M). The probable stoichiometry of TMAC-Cu2+ complex (1:1) was determined by Job's plot method and confirmed by FT-IR and ESI-MS. We further successfully applied TMAC for Cu2+ detection in water and various beverage samples with good recovery (90.24-109.75 %).</description> </descriptions> </resource>
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