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Toplam kayıt 65, listelenen: 41-50
Speciation and determination of inorganic selenium species in certain fish and food samples by gold-coated W-coil atom trap hydride generation atomic absorption spectrometry
(Elsevier, 2022)
A very sensitive, selective, rapid and easy gas-phase preconcentration based method is presented for the determination and speciation of inorganic selenium in chicken meat, poultry eggs, mullet fish (Mugil Cephalus) and ...
Drug delivery systems of CoFe2O4/chitosan and MnFe2O4/chitosan magnetic composites
(TAYLOR & FRANCIS INC, 2022)
The study consists of three parts. In the first part, synthesis and characterization of core-shell magnetic composite beads based on chitosan and containing two different magnetic nanoparticles were carried out. The beads ...
Isolation and characterization of chemical constituents from Chaerophyllum bulbosum roots and their enzyme inhibitory and antioxidant effects
(Walter de Gruyter GmbH, 2021)
Isolation and bioactive effects of the roots of Chaerophyllum bulbosum L. were firstly investigated herein. Enzyme (acetylcholinesterase, butyrylcholinesterase, urease, α-amylase, α-glucosidase, and tyrosinase) inhibitory ...
HPLC–DAD characterization of phenolic profile and in vitro antioxidant, anticholinesterase, and antidiabetic activities of five mushroom species from Turkey
(Springer, 2021)
In this study, Daedalea quercina (L.) Pers., Hydnum repandum L., Inonotus radiatus (Sowerby) P. Karst., Omphalotus olearius (DC.) Singer, and Schizophyllum commune Fr. hexane and methanol extracts were subjected to the ...
Prediction of I-131 Influence in the Aegean Region by Chernobyl Accident Using the Ratio of I-129/I-127 in the Lake Sediments
(Iğdır Üniversitesi Fen Bilimleri Enstitüsü, 2022)
After the Chernobyl accident, as in many countries, the short half-life I-131 radioactivity could not be measured in Turkey-Aegean Region. By using Cs-137 radioactivity, which is easy to monitor, I-131 radioactivity was ...
MnFe2O4/alginate magnetic beads as platform for cancer drug delivery: an in vitro study of 5-Fluorouracil release
(TAYLOR & FRANCIS INC, 2022)
MnFe2O4/alginate magnetic beads was prepared, by drop-by-drop process, characterized and evaluated for use in cancer drug (5-Fluorouracil) delivery. In the literature, there are many studies in controlled drug systems where ...
Ultra-Trace Determination of Arsenic by Platinum-Coated Tungsten Coil Hydride Generation (HG) Atomic Absorption Spectrometry (AAS)
(TAYLOR & FRANCIS INC, 2022)
A simple, rapid, and sensitive method for the determination of ultra-trace arsenic (III) is reported based on in situ trapping and revolatilization on a platinum (Pt) coated tungsten (W) coil atom trap. First, the analyte ...
Determination and speciation of selenium in water samples collected from Mugla (Turkey) province by hydride generation atomic absorption spectrometry
(ELSEVIER, 2022)
In this work, determination of selenium in various water samples was done by using hydride generation atomic absorption spectrometry. The most appropriate values of HCl concentration, NaBH4 concentration, NaOH concentration, ...
EVALUATION OF TRACE METAL CONTENTS IN MUSHROOM SAMPLES FROM AZDAVAY DISTRICT, KASTAMONU, TURKEY
(Muğla Sıtkı Koçman Üniversitesi, 2022)
Mantarlar, önemli bir amino asit, protein ve lif kaynağı oldukları için popüler bir besindir, ancak substrattan metal biriktirme kapasiteleri yüksektir. Bu çalışmada Kastamonu Bölgesi, Azdavay'da orijinal olarak bulunan ...
Determination and speciation of methyl mercury and total mercury in fish tissue samples by gold-coated W-coil atom trap cold vapor atomic absorption spectrometry
(Elsevier Ltd, 2022)
A sensitive analytical technique was developed where gaseous mercury formed by sodium tetrahydroborate reduction is transported to and trapped on a resistively heated gold-coated Tungsten-coil atom trap for in situ ...