Browsing by Author "Demir, Ozge"
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Ionic liquid based ion-pairing microextraction combined with spectrophotometry for preconcentration and quantitation of melamine in milk and milk-based products
Altunay, Nail; Demir, Ozge; Gurkan, Ramazan (ELSEVIER SCIENCE BV, 2017)A simple, rapid and economical ultrasound-assisted microextraction (UA-ME) procedure was developed for extraction and determination of trace amounts of melamine in milk products, followed at 310 nm by UV-Visible ... -
A new magnetic nanodiamond/graphene oxide hybrid (Fe3O4@ND@GO) material for pre-concentration and sensitive determination of sildenafil in alleged herbal aphrodisiacs by HPLC-DAD system
Yilmaz, Erkan; Ulusoy, Halil Ibrahim; Demir, Ozge; Soylak, Mustafa (ELSEVIER SCIENCE BV, 2018)A sensitive analytical methodology was investigated to concentrate and determine of sildenafil citrate (SLC) present at trace level in herbal supplementary products. The proposed method is based on simple and sensitive ...