The investigation of voltammetric detection conditions of some neonicotinoid insecticides by modified and unmodified electrodes

Pesticides are the chemical substances or mixtures which developed to prevent, destroy or reduce the development of harmful animals or insects. Pesticides threat to the natural ecosystem by causing the destruction of organisms useful to humans. Neonicotinoid insecticides lead to the death of the insects by accumulating at nicotinic acetylcholine receptors present in the central nervous system of the insects. In this thesis it is aim to developed a voltammetric sensor for the detection of neonicotinoid insecticides by modified and unmodified disposable graphite electrodes for the first time in the literature. Some parameters such as sensitivity, repeatability, life time of the modified and unmodified electrodes which developed for the electrochemical determination of the neonicotinoid insecticides have been determined and compared. It is hoped that the electrodes developed in our work will enable simple, rapid and inexpensive identification of the neonicotinoid insecticides, imidacloprid and clothianidin and will be an alternative to the expensive and time consuming chromatographic techniques.