Detection of Pesticide via Nanoparticle Based Quartz Crystal Microbalance Sensor

Yazarlar

Monireh Bakhshpour, Ilgım Göktürk, Oğuz Çakır, Fatma Yılmaz, Zübeyde Baysal, A. Deni̇zli̇

Yayın

Hacettepe Journal of Biology and Chemistry 2020

DOI

10.15671/hjbc.629138

Atıflar

1

Özet

In this study, Chlorpyrifos (Cps) imprinted nanoparticles based QCM sensor were prepared for detection of chlorpyrifos pesticide. Cps imprinted poly(ethylene glycol dimethacrylate- N-metacryloyl-(L)-tryptophan) (PEDMATrp) nanoparticles were prepared and then these nanoparticles were attached to the surface of QCM sensor chip. Also, non-imprinted PEDMATrp QCM sensor was prepared without using the Cps molecule to evaluate the imprinting efficiency. Cps imprinted and non-imprinted nanoparticles were characterized by zeta-sizer and Fourier transform infrared spectrophotometer-attenuated total reflection (FTIR-ATR) spectrophotometer. Cps imprinted and non-imprinted QCM sensors were also characterized by atomic force microscopy, ellipsometer, and contact angle measurements. The prepared sensors were applied for selective Cps detection in aqueous solution for the range of 0.015-2.9 nM. The selectivity studies of the prepared PEDMATrp quartz crystal microbalance sensor were examined by using competitive pesticide molecules such as Diazinon and Parathion (0.75 nM), which are similar to Cps in size and shape. The reusability studies of the prepared sensors were investigated by applying the same pesticide concentration (1.45 nM), four times consecutively.

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BibTeX

@article{monireh2020,
  title   = {Detection of Pesticide via Nanoparticle Based Quartz Crystal Microbalance Sensor},
  author  = {Monireh Bakhshpour and Ilgım Göktürk and Oğuz Çakır and Fatma Yılmaz and Zübeyde Baysal and A. Deni̇zli̇},
  journal = {Hacettepe Journal of Biology and Chemistry},
  doi     = {10.15671/hjbc.629138},
  year    = {2020}
}

← Tüm yayınlar DOI: 10.15671/hjbc.629138