1. Soliman, F. M.; I. A. El-Elaimy and Hamdy M. a. Hamada (1993): The effect of malathion on the histopathological changes in the liver of Gambusia affinis. J. Pest Control & Environm. Sci., 5(1):17-30.

2.  Soliman, F. M.; I. A. El-Elaimy and Hamdy M. a. Hamada (1995): Physiological alterations of the liver function of  Gambusia affinis. After exposure to the organophosphorus insecticide, malathion. Sohag Pure & Appl. Bull.Fac. Sci., 11:97-111.

3. Banhawy, M. A.; Faiza M Soliman; Soheir A. Abdel-Rehim and Hamdy M. a. Hamada  (1996): Metabolic changes in the Nile Bolti, Oreochromis niloticus eposed to different concentrations of the herbicide (Goal). Proc. Egypt. Acad. Sci., 46:99-117.

4. Schröder, H.C., F.A. Badria, S.N. Ayyad, R. Batel, M. Wiens, H.M.A. Hassanein, B. Kurelec and W.E.G. Müller (1998): Inhibitory effects of extracts from the marine alga Caulerpa taxifolia and of toxin from Caulerpa racemosa on multixenobiotic resistance in the marine sponge Geodia cydonium. Environm.  Toxicol. Pharmacol., 5: 119-126

5. Müller, W.E.G., R. Batel, M. Lacorn, H. Steinhart, T. Simat, S. Lauenroth, H.M.A. Hassanein and H.C. Schröder (1998): Accumulation of cadmium and zinc in the marine sponge Suberites domuncula and its potential consequences on single-strand breaks and on expression of heat-shock protein: A natural field study. Mar. Ecol. Prog. Ser., 167: 127-135

6. Wiens, M., C. Koziol, H.M.A. Hassanein, R. Batel, H.C. Schröder and W.E.G. Müller (1998): Induction of gene expression of the chaperones 14-3-3 and HSP70 by PCB118 (2,3’,4,4’,5-pentachlorobiphenyl) in the marine sponge Geodia cydonium: novel biomarkers for polychlorinated biphenyls. Mar. Ecol. Prog. Ser., 165: 247-257

7. Batel, R., M. Fafandjel, B. Blumbach, H.C. Schröder, H.M.A. Hassanein, I.M. Müller and W.E.G. Müller (1998): Expression of the human XPB/ERCC-3 excission repair gene-homolog in the sponge Geodia cydonium after exposure to ultraviolet irradiation. Mutat. Res., 409: 123-133.

8. Krasko, A., H.C. Schröder, H.M.A. Hassanein, R. Batel, I.M. Müller and W.E.G. Müller (1998): Identification and expression of the SOS-response, aidB-like, gene in the marine sponge Geodia cydonium: Implication for the phylogenetic relationships of metazoan acyl-CoA dehydrogenases and acyl-CoA oxidases. J. Molec. Evol., 47: 343-352

9. Schröder, H.C., H.M.A. Hassanein, S. Lauenroth, C. Koziol, T.A.-A.A. Mohamed, M. Lacorn, H. Steinhart, R. Batel and W.E.G. Müller (1999): Induction of DNA strand breaks and expression of HSP70 and GRP78 homolog by cadmium in the marine sponge Suberites domuncula. Arch. Environm. Contam. Toxicol., 36: 47-55.

10. Schröder, H.C., R. Batel, S. Lauenroth, H.M.A. Hassanein, M. Lacorn, T. Simat, H. Steinhart and W.E.G. Müller (1999): Induction of DNA damage and expression of heat shock protein HSP70 by polychlorinated biphenyls in the marine sponge Suberites domuncula Olivi. J. Exp. Mar. Biol. Ecol., 233: 285-300.

11. Wiens, M., J. Seack, C. Koziol, H.M.A. Hassanein, R. Steffen, M. Korzhev, H.C. Schröder and W.E.G. Müller (1999): 17ß-Estradiol-dependent regulation of chaperone expression and telomerase activity in the marine sponge Geodia cydonium. Marine Biol., 133: 1-10.

12. Hassanein, H.M.A., M.A. Banhawy, F.M. Soliman, S.A. Abdel-Rehim, W.E.G. Müller and H.C. Schröder(1999): Induction of HSP70 by the herbicide oxyfluorfen (Goal) in the Egyptian Nile fish, Oreochromis niloticus. Arch. Environm. Contam. Toxicol., 37: 78-84

13. Schröder, H.C., R. Batel, H.M.A. Hassanein, S. Lauenroth, H-St. Jenke, T. Simat, H. Steinhart and W.E.G. Müller (2000): Correlation between the level of the potential biomarker, heat-shock protein and the occurrence of DNA damage in the dab, Limanda limanda: a field study in the north sea and english channel. Marine Environm. Research, 49: 201-215

14. Wiens, M., Ammar, M.S., Nawar, A. H., Koziol, C., Hassanein, H.M.A., Eisinger, M., Müller, I. M. and Müller, W.E.G.(2000).: Induction of heat-shock (stress) protein gene expression by selected natural and anthropogenic disturbances in octocorals Dentronephthya klunzingeri. J. Exp. Mar. Biol. Ecol., 245: 265-275.

15. Hassanein, H.M.A., F.M. Lashein and A.A. Hussain (2000): Heat shock protein (hsp70) development and induction as a biomarker for lead intoxication in larval stages of the Grass Carp, Ctenopharyngodon idella (Cuvier and Valencinnes, 1844).  Egypt. J. Zool., 35:27-36.

16. . Hassanein, H.M.A. and E. Abu-Amra (2001): Impact of oxyfluorfen on heat shock protein (hsp70) expression and some functional enzymes in the liver of the mosquito fish, Gambusia affinis., Egypt. J. Zool., 36: 119-130

17. Hassanein, H.M.A. (2002): Toxicological effects of the herbicide oxyfluorfen on acetylcholinesterase in two fish species: Oreochromis niloticus and Gambusia affinis. J. Environm. Sci. Health, A37 (4): 521-527.

18. Hassanein, H.M.A., C.I. Müller, D. Schlösser, K.L. Kratz, O.F. Senyuk and H.C. Schröder (2002): Measurement of DNA damage induced by irradiation with γ-rays from a triga mark II research reactor in human cells using fast micromethod. Cell. Mol.Biol., 48 (4): 385-391.

19. Abu-Amra, E. ; H.M.A Hassanein and E. Abdel-Rehim (2002): Influence of natural toxins extracted from puffer fish Arothron hispidus on the expression of heat shock protein (hsp70) and activity of some enzymes in certain tissues of rat. J. Egypt. Ger. Soc. Zool., 39 (A): 1-16.

20. Hussein, A.A; Meki, A.M.A, and H.M.A. Hassanein (2002): Apoptosis and expression of the heat shock protein-70 (HSP-70) induced by aflatoxin B1 in rat liver: Protective effect of melatonin. J. Union Arab Biol. Cairo, 17(A): 357-373.

21. Abu-Amra; E.; Hamdy M.A. Hassanein and F.  M. Lashein (2003): Physiological studies on diabetic male albino mice treared with bradykinin potentiating factors (BPFS) sperated from jelly fish and copra snake venoms. 2- Effect of BPF7 and BPF3 on liver function. J. Egypt. Ger. Soc. Zool., 40 (A): 429-445.

22. Schröder, H.C., A. Krasko, G. Le Pennec, T. Adell, M. Wiens., H.M.A. Hassanein, I.M. Müller and W.E.G. Müller (2003): Silicase, an enzyme which degrades biogenous amorphous silica: contribution to metabolism of silica deposition in demosponge Suberites domuncula. Prog. Mol. Subcell. Biol., 33: 249-268.

23. Hassanein, H.M.A. (2004): Gene expression of heat shock protein (HSP70) in some body organs of the fish Tilapia zilli after exposure to the neem biopesticide; triology. J. Egypt. Ger. Soc. Zool., 44 (c):1-15

24. Badria, F.; Hassanein, H. M. A.; El-Nketi, M. And Saad, H. (2004): Heat shock protein (hsp70): A novel biomarker for narcotic and hepatotoxic agents. The second annual internat. conf. on the Environm. and Health Saf., 13-15 April, 2004, Mansoura Uni. Egypt.

25. Hamdy M. A. Hassanein ; Shehata E. Elowa and Abd Allah B. Hussein (2005): Changes in the hepatic (HSP70) and (GST) of the Nile fish, Oreochromis niloticus exposed to the pesticides temephos and lambada-cyhalothrin. J. Egypt. Ger. Soc. Zool. (48A):299-317.

26. Hamdy M.A. Hassanein and H. A. Okail (2008): Toxic Impacts of the Biopesticide (Triology®) on Some Histological and Biochemical Aspects of Body Organs in Grass Carp ” Ctenopharyngodon idella”.1-Liver. J. Egypt. Ger. Soc. Zool. 56 (A):157-179.

27. Hamdy M.A. Hassanein and H. A. Okail (2008): Biochemical changes in proteins and DNA in Ctenopharyngodon idella in response to treatment with the biopesticide (Triology®). Egyp. Acad. J. Biol. Sci. 1(2): 51-64.

28. Hamdy M.A. Hassanein and H. A. Okail (2008): Toxicity determination and hypoglycaemic effect of neem biopesticide on the grass carp “Ctenopharyngodon idella ” Egyp. Acad. J. Biol. Sci. 1(2): 37-49.

29. Hamdy M.A. Hassanein  (2008): Induction of the molecular chaperone protein (hsp70) and inhibition of Cholinesterase (ChE) by the carbamate pesticide (Methomyl) in Oreochromis niloticus Egypt. J. Zool., 51: 1-14.

30. Hamdy M.A. Hassanein and H. A. Okail (2008): Toxic Impacts of the Biopesticide (Triology®) on Some Histological and Biochemical Aspects of Body Organs in Grass Carp ” Ctenopharyngodon idella”.2-Kidney. Proc. 5th Int. Con. Biol. Sci. (Zool): 5: 142-155.

31. I. A. El-Elaimy, H. M. Hassanein, S. E. Hassab El –Nabi and Y. S. Alawthan (2008):  DNA damage and expression of hsp70 by chlorpyrifos: Ameliorative effect of silymarin and eugenol. Proc. 5th Int. Con. Biol. Sci. (Zool): 5: 151-157.

32. Hamdy M.A. Hassanein , A. A. Hussein and H. A. Soliman (2009): Estimation of some heavy metals in water and organs of Oreochromis niloticus and their impact on hsp70 and DNA: a field study. J. Egypt. Acad. Soc. Environ. Develop., 10(1): 53-63.

33. Hamdy M.A. Hassanein (2009): Biochemical and haematological changes induced by the biopesticide “neem” in rabbits. Egypt. J. Zool Volume (52) -177-192.

34. Masoud A. Farag and Hamdy M. A. Hassanein (2014): Impact of neem, Azadiracta indica extract on adrenaline and noradrenaline in rabbits. Egypt. Acad. J. Biol. Sci., 6(1):97-105

35. Hamdy M.A. Hassanein; El-SabryAbu_Amra; Faiza M. Soliman and Hanan A. Okail (2019): Toxic impacts of the neembiopesticide (Triology®) on the histological structure of gills and intestine in the Grass Carp ” Ctenopharyngodonidella”. 3rd International conf. Applied Chemistry, 23-26 Octob., Hurghada, Egypt.

36. Hamdy M.A. Hassanein (2020): Hypoglycemic impact of the biopesticide; neem on male rabbits and its effect on the glucose regulating hormones.  International conf. Chemistry and its Applications, 3-6 April., Hurghada, Egypt

37.  Hamdy M.A. Hassanein , H. A. Soliman  and H. A. Okail (2023:(Ameliorative effects of chitosan and chitosan anoparticles against dioxin-induced toxicity in rats.  Sohag J. Sci. 2023, 8(2), 241-247 2.

38.Reem Ahmed Mahmoud, Metwally Kotb Mahfouz, Mohamed F. El-Sayed, Hossam EL-Din Mohamed, Hamdy M. A. Hassanien (2024):  Constituents of pomegranate peel extract, and its ameliorative effect against the toxicity of vancomycin on the hematological parameters of male Albino rats. Sohag J.  Sci. (In Press).