, Volume 28, Issue 7, pp 801–808 | Cite as

Determination of the acute toxic effects of zinc oxide nanoparticles (ZnO NPs) in total hemocytes counts of Galleria mellonella (Lepidoptera: Pyralidae) with two different methods

  • Ata ESKİNEmail author
  • Şahlan ÖZTÜRK
  • Murat KÖRÜKÇÜ


Zinc oxide nanoparticles (ZnO NPs) are now commonly used in many consumer products (detergents, antibacterial products, protective creams). The aim of the study is to determine the ecotoxicological effects of ZnO NPs on the survival and in the total hemocyte counts of Galleria mellonella L. 1758 (Lepidoptera: Pyralidae) with two different methods (automated cell counter and hemocytometer). A toxicity test was performed to determine the lethal concentrations of ZnO NPs on larvae by force feeding method. After 24 h the treatment, LC50 was 6.03 μg/10 µl and LC99 was 12.86 μg/10 µl for force fed larvae according to probit assay. The NP that induced changes in the total hemocytes counts were counted by optical microscopy (larvae exposed to four different doses of ZnO NPs) and by automated cell counter. Analyses of total hemocyte counts of the insect were performed with four doses (0.5, 1, 2.5, 5 μg/10 µl) <LC50 at 24 h upon feeding larvae revealed that a number of hemocytes did not show significant changes in all treatments compared with control in the optical microscopy counting. The similar statistically insignificant counting results were also seen in the automated cell counting results. The percentage of the dead cells (10.01%) in the 5 μg/10 µl group was significantly higher than the control group (3.03%) and showed a statistically significant difference at 24 h in the optical microscopy count with trypan blue viability test.


Galleria mellonella Hemocyte Nanoparticle Toxicity Zinc oxide 



We would like to express our deep gratitude to Prof. Dr. Zahide Ulya NURULLAHOĞLU for her guidance and assistance to ZnO NP supplement. Thanks to Assistant Professor Dr. Bengü AKSU ATAÇ and Shahla ORUJOVA for proofreading the article.


HRTEM analysis and ZnO NPs were funded by Marmara University Scientific Research Project Coordination Unit (BAPKO), project no. FEN-C-DRP-100713-0334.

Compliance with ethical standards

Conflict of interest

We have not received any research support or financial contributions from companies mentioned in this manuscript. The authors declare that they have no conflict of interest. AE conceived the original idea and realized it. AE, MK and ŞÖ performed experiments. AE and ŞÖ wrote the manuscript and they were responsible for overall supervision.


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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Avanos Vocational School, Crop Animal Production DepartmentNevşehir Hacı Bektaş Veli University, AvanosNevşehirTurkey
  2. 2.Environmental Engineering DepartmentNevşehir Hacı Bektaş Veli UniversityNevşehirTurkey

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