Potentiometric urea biosensors

O Özbek, C Berkel, Ö Isildak, I Isildak - Clinica Chimica Acta, 2022 - Elsevier
Excess nitrogen in the body is converted to urea in the liver, and urea is disposed as a waste
product in urine. Urea concentration can change in body fluids such as blood due to the …

Applications of potentiometric sensors for the determination of drug molecules in biological samples

O Özbek, C Berkel, Ö Isildak - Critical Reviews in Analytical …, 2022 - Taylor & Francis
Potentiometry is extensively studied by researchers as one of the electrochemical methods
due to its multiple advantages. Until today, thousands of potentiometric sensors have been …

Ag@ MOF-199 metal organic framework for selective detection of nickel ions in aqueous media

GA Bodkhe, DD Khandagale, MS More… - Ceramics …, 2023 - Elsevier
Monitoring heavy metal ions (HMIs) in water is always a challenging and vital issue due to
their hazardous effects on the environment and human health. Therefore, it is necessary to …

Sensor properties of thiosemicarbazones in different analytical methods

O Özbek, C Berkel - Polyhedron, 2023 - Elsevier
Thiosemicarbazone derivatives are compounds generally obtained from the condensation
reaction of thiosemicarbazide with aldehydes and ketones. These molecules have gained a …

A potentiometric biosensor for the determination of valproic acid: human blood–based study of an anti–epileptic drug

O Özbek, Ö Isildak, I Isildak - Biochemical Engineering Journal, 2021 - Elsevier
A potentiometric poly (vinyl chloride)(PVC) membrane–based biosensor has been
developed for the determination of the anti–epileptic drug valproic acid in human blood …

Potentiometric PVC membrane sensor for the determination of anti‐epileptic drug levetiracetam in pharmaceutical formulations

O Özbek, Ö Isildak - ChemistrySelect, 2022 - Wiley Online Library
A poly (vinyl chloride)(PVC) membrane potentiometric sensor was developed for the
determination of anti‐epileptic drug levetiracetam. For this purpose, levetiracetam …

A potentiometric sensor for the determination of potassium in different baby follow–on milk, water, juice and pharmaceutical samples

O Özbek - Journal of Food Composition and Analysis, 2023 - Elsevier
Potassium is one of the minerals essential for the human body, and its intake is usually
provided from foodstuffs. In this study, a novel potassium selective potentiometric sensor …

A potentiometric sensor for the determination of Pb (II) ions in different environmental samples

O Özbek, H Gezegen, A Cetin, Ö Isildak - ChemistrySelect, 2022 - Wiley Online Library
In this study, a novel PVC‐based membrane containing (E)‐2‐(1‐(4‐(3‐(4‐chlorophenyl)
ureido) phenyl) ethylidene) hydrazine carbothioamide (5) as an electroactive component …

Synthesis and sensor properties of a phenol derivative molecule: potentiometric determination of silver (I) ions

O Özbek, A Çetin, E Koç, Ö Isildak - Electrocatalysis, 2022 - Springer
Herein, we developed a novel potentiometric sensor that exhibits high selectivity towards
Ag+ ions, using a newly synthesized phenol derivative (4) molecule as an electroactive …

Development of chromium (III)-selective potentiometric sensor by using synthesized pyrazole derivative as an ionophore in PVC matrix and its applications

Ö Isildak, O Özbek, MB Gürdere - Journal of Analysis and Testing, 2020 - Springer
A novel poly (vinyl chloride) membrane potentiometric sensor for chromium (III) ions based
on the use of 5, 5′-(1, 4-phenylene) bis (3-(naphthalen-1-yl)-4, 5-dihydro-1 H-pyrazole-1 …