In this study, glutathione reductase (GR) from baker’s yeast (Saccharomyces cerevisiae) was exposed to 0, 25, 50, 100, 250 and 500 mg/L copper(II) oxide nanoparticles (CuO NPs) and copper(II) chloride (CuCl2). Changes in GR% activity upon exposure to 25, 50, 100, 250 and 500 mg/L CuO NPs and CuCl2 were found to be + 0.3, − 3.4, − 8.1, − 25.7 and − 37.4 and − 60.7, − 72.7, − 77.8, − 85.3 and − 90.6, respectively. The 50% inhibition concentration (IC50) was 625 ppm (78.6 × 10−4 M) for CuO NPs and 21 ppm (1.56 × 10−4 M) for CuCl2. Moreover, CuO NPs and CuCl2 inhibited GR competitively and noncompetitively, respectively.
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The author would like to thank Enago (www.enago.com) for the English language review and thank to Atatürk University East Anatolia High Technology Application and Research Center (DAYTAM) for characterisation of CuO NPs using the transmission electron microscope (TEM) and Zeta Sizer and thank to Adıyaman University Central Research Laboratory Application and Research Center (ADYÜMLAB) for actual Cu concentration determination using inductively coupled plasma-mass spectrometry (ICP-MS).
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Karadag, H. Inhibition of Glutathione Reductase Activity from Baker’s Yeast (Saccharomyces cerevisiae) By Copper(II) Oxide Nanoparticles and Copper(II) Chloride. Bull Environ Contam Toxicol (2021). https://doi.org/10.1007/s00128-021-03136-4
- Copper(II) chloride
- Copper(II) oxide nanoparticles
- Glutathione reductase