ARTICLES

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1. Arevik Vardanyan and Ioannis Vyrides, Effect of Organics to acidophilic bioleaching microorganisms in various process (sludge, solvent extraction) and strategies to alleviate, Minerals Engineering, 2019, 143, https://doi.org/10.1016/j.mineng.2019.105943

2. Arevik Vardanyan, Narine Vardanyan, Anna Khachatryan, Ruiyong Zhang and Wolfgang Sand, Adhesion to Mineral Surfaces by Cells of Leptospirillum, Acidithiobacillus and Sulfobacillus from Armenian Sulfide Ores, Minerals 2019, 9(2), 69; p.1-13. doi:10.3390/min9020069

3. Markosyan L.S, Badalyan H., Vardanyan N.S., Vardanyan A.K., Study of colliodal polysaccharides produced by iron oxidizing bacteria Leptospirillum ferriphilum CC // Geomicrobiology Journal, 2019, Vol. 36, Issue 2, 188-193. https://doi.org/10.1080/01490451.2018.1534903

4. A.K. Vardanyan, N.S. Vardanyan, A.S. Khachatryan, Z.S. Melkonyan, Chemical oxidation integrated into bioleaching of pyrite and chalcopyrite using immobilized biomass // Environmental Engineering and Management Journal, 2018, Vol. 17, No. 4, 897-904. http://eemj.eu/index.php/EEMJ/article/view/3554

5. Vardanyan N.S., Sevoyan G,G., Navasardyan T.S., Vardanyan A.K., Recovery of valuable metals from polimetallic mine tailings by natural microbial consortium // Environmental Technology Journal, 2018. https://www.tandfonline.com/doi/abs/10.1080/09593330.2018.1478454

6. Arevik  Vardanyan, Nasia  Kafa, Victoras  Constantinides, Seung Gu  Shin, Ioannis Vyrides,
   Phosphorus dissolution from dewatered anaerobic sludge: effect of pHs, microorganisms, and sequential extraction // Bioresource Technology, Vol. 249, p. 464-472, 2018, DOI: https://doi.org/10.1016/j.biortech.2017.09.188

7. Levon Markosyan, Hamlet Badalyan, Arevik Vardanyan, Narine Vardanyan, Peculiarities of a Colloidal Polysaccharide of Newly Isolated Iron Oxidizing Bacteria in Armenia // International Journal of Advanced Engineering Research and Science (IJAERS), Vol-4, Issue-11, 2017, 70-76. DOI: 10.22161/ijaers.4.11.10

8. Arevik Vardanyan, Panagiotis Achilleos, Nasia Kafa, Maria Papadopoulou, Narine Vardanyan, Ioannis Vyrides, Effect of Cell Lysis (CLs) products on acidophilic chemolithotrophic microorganisms and role of Acidocella species // Geomicrobiology Journal, vol.34, issue 10, p. 916-922, 2017, DOI: http://dx.doi.org/10.1080/01490451.2017.1300203

9. N.S.Vardanyan, G.G. Sevoyan, A.K. Vardanyan, Bioleaching of tailings resulting from benefication of polymetallic ores for recovery of valuable metals // Solid State Phenomena, Vol. 262, pp. 113-117, 2017, doi:10.4028/www.scientific.net/SSP.262.113

10. Vardanyan A.K., Khachatryan A.S., Melkonyan Z.S., Vardanyan N.S., Biodiversity of  iron and  sulfur oxidizing chemolithotrophic bacteria in sulfide deposits of Armenia // International scientific-practical internet conference "Microbial biodiversity: Current problems and Solutions" dedicated to 25th anniversary of independence of the Republic of Kazakhstan, November 25, 2016, Astana, p.64-67.

11.  Vardanyan N.S., Khachatryan A.S., Vardanyan A.K., Melkonyan Z.S., Development of effective bacterial consortia for bioleaching of chalcopyrite // International scientific-practical internet conference "Microbial biodiversity: Current problems and Solutions" dedicated to 25th anniversary of independence of the Republic of Kazakhstan, November 25, 2016, Astana, p. 136-140.

12. Narine Vardanyan, Samvel Stepanyan, Anna Khachatryan, Zaruhi Melqonyan, Arevik Vardanyan, Biooxidation of chalcopyrite and pyrite by iron and/or sulfur oxidizing bacteria isolated in Armenia, International Journal of Innovative Research in Science, Engineering and Technology, Vol. 5, Issue 9, September 2016, p.15901-15907. DOI:10.15680/IJIRSET.2016.0509001

13. Vardanyan A.K., Vardanyan N.S., Bioleaching of pyrite and chalcopyrite by new isolated thermotolerate sulfur-oxidizing bacteria Acidithiobacillus tandzuti sp.nov. // International Jounal of Scientific and Engineering Research, Volume 7, Issue 7, July 2016, p. 203-207.

14. Arevik Vardanyan, Narine Vardanyan, Levon Markosyan, Wolfgang Sand, Mario Vera, Ruiyong Zhang Biofilm formation and extracellular polymeric substances (EPS) analysis by new isolates of Leptospirillum, Acidithiobacillus and Sulfobacillus from Armenia // Advanced Materials Research, Vol. 1130 (2015) p. 153-156. DOI: 10.4028/www.scientific.net/AMR.1130.153

15. Arevik Vardanyan, Samvel Stepanyan, Narine Vardanyan, Levon Markosyan, Wolfgang Sand, Mario Vera, Ruiyong Zhang // Study and assessment of microbial communities in natural and commercial bioleaching systems, Minerals Engineering, Vol., 81, p. 167-172, 2015. http://dx.doi.org/10.1016/j.mineng.2015.05.001

16. Vardanyan N.S., Vardanyan A.V. New sulphur oxidizing bacteria isolated from bioleaching pulp of zinc and copper concentrates // Universal Journal of Microbiology Research 2(2): 27-31, 2014. DOI: 10.13189/ujmr.2014.020201

17. Vardanyan A.K., Vardanyan N.S., Markosyan L.M. Peculiarities of adhesion and bioleaching of pyrite by new isolated Leptospirillum spp. bacteria // Universal Journal of Microbiology Research 1(2): 22-25, 2013.  DOI: 10.13189/ujmr.2013.010202 

18. Vardanyan A.K., Markosyan L.S., Vardanyan N.S. Immobilization of new isolated iron oxidizing bacteria on natural carriers // Advanced Materials Research, 2013, V.825, p.388-391.

19. Vardanyan N.S., Markosyan L.S., Vardanyan A.K. Biooxidation of refractory gold bearing ores by moderately thermophilic chemolithotrophic bacteria and their association // Proceedings of the 19th International Biohydrometallurgy Symposium “Biohydrometallurgy: Biotech Key to Unlock Mineal Resources Value” (IBS2011), Changsha, China, September 18-21, 2011. Changsha, 2011, Volume 2, p. 597-600.

20. Vardanyan N.S., Vardanyan A.K. Selective extraction of metals from zinc concentrate by association of chemolithotrophic bacteria // Appl. Biochemistry and Microbiology, 2011, 47, 5, p. 566-571. https://link.springer.com/article/10.1134/S0003683811050140

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Chapter

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Vardanyan N.S., Vardanyan A.K. (2018) Thermophilic Chemolithotrophic Bacteria in Mining Sites. In: Egamberdieva D., Birkeland NK., Panosyan H., Li WJ. (eds) Extremophiles in Eurasian Ecosystems: Ecology, Diversity, and Applications. Microorganisms for Sustainability, Vol 8. Springer, Singapore, pp. 187-218. https://link.springer.com/chapter/10.1007/978-981-13-0329-6_7