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Dr. Doina Humelnicu

Chemistry
Al.I. Cuza University

Interests

Materials, Removal of heavy metals from wastewaters, Removal of radionuclides from wastewaters

Publications

1. D. Humelnicu, M. Ignat, M.V. Dinu, E. S. Dragan, Optimization of Arsenic Removal from Aqueous Solutions Using Amidoxime Resin Hosted by Mesoporous Silica, ACS Omega, 7(35), 2022: 31069-31080 2. M.V. Dinu, I. Humelnicu, C.A. Gheorghita, D. Humelnicu, Aminopolycarboxylic acids-functionalized chitosan microbeads as valuable heavy metal ions sorbents: fixed-bed column studies and theoretical analysis, Gels, 8(4), 2022: 221 3. D. Humelnicu, I. Zinicovscaia, I. Humelnicu, M. Ignat, N. Yushin, D. Grozdov, Study on the SBA-15 silica and ETS-10 titanosilicate as efficient adsorbents for Cu(II) removal from aqueous solution, Water, 14(6), 2022: 857 4. I. Zinicovscaia, N. Yushin, D. Humelnicu, D. Grozdov, M. Ignat, S. Demcak, I. Humelnicu, Sorption of Ce(III) by silica SBA-15 and titanosilicate ETS-10 from aqueous solution, Water, 13(22), 2021: 3263 5. D. Humelnicu, I. Zinicovscaia, I. Humelnicu, M. Ignat, Experimental studies on the removal of aluminium ions from synthetic aqueous solution by hydroxyapatites, Acta Chim Slov., 68, 2021: 821-832 6. E.S. Dragan, D. Humelnicu, M.V. Dinu, Designing smart triple-network cationic cryogels with outstanding efficiency and selectivity for deep cleaning of phosphate, Chem. Eng. J., 426, 2021: 131411 7.I. Zinicovscaia, N. Yushin, D. Abdusamadzoda, D. Grozdov, I. Humelnicu, M. Ignat, D. Humelnicu, Removal of vanadium ions from aqueous solutions using different type of hydroxyapatites: adsorption isotherm, kinetics and thermodynamic studies, Environm. Eng. Manage. J., 20(6), 2021: 871-88 8. M.V. Dinu, D. Humelnicu, M. M. Lazar, Analysis of copper(II), cobalt(II) and iron(III) sorption in binary and ternary systems by chitosan-based composite sponges obtained by ice-segregation approach, Gels, 7(3), 2021: 103 9. C. Mita, I. Bunea, T. Roman, D. Humelnicu, Cross-linked and functionalized acrylic polymers: Efficient and reusable sorbents for the sequestration of Zn(II) ions from synthetic wastewaters, J. Polym. Environment, 29(7) 2021: 2261-2281 10. I. Zinicovscaia, N. Yushin, D. Grozdov, I. Humelnicu, D. Humelnicu, T. Mitina, Removal of chromium (III) ions from aqueous solutions using different type of hydroxyapatites: adsorption isotherm, kinetics and thermodynamic studies, Des. Water Treat. 204, 2020: 297-305 11. E.S. Dragan, D. Humelnicu, M. Ignat, C.D. Varganici, Highly efficient composite sorbents composed of poly(amidoxime) resins synthesized into porous silica microspheres by the homo-IPN strategy for the removal of Sr2+ and Cs+ , ACS Applied Materials &Interfaces, 12(40), 2020: 44622-44638 12. D. Humelnicu, M.V. Dinu, M. Ignat, M. M. Lazar, E. S. Dragan, I. A. Dinu, Removal of heavy metal ions from multi-component aqueous solutions by low-cost and eco-friendly composite sorbents with anisotropic pores, J. Hazard. Mater., 381, 2020: 120980. 13. M. Shammas, I. Zinicovscaia, D. Humelnicu, L. Cepoi, V. Nirwan, Š. Demčák, A.Fahmi, Bioinspired electrospun hybrid nanofibers based on biomass templated within polymeric matrix for metal removal from wastewater, Polym. Bull., 77(6), 2020: 3207–3222. 14. E.S. Dragan, D. Humelnicu, Contribution of Cross-linker and Silica Morphology on Cr(VI) Sorption Performances of Organic Anion Exchangers Embedded into Silica Pores, Molecules, 25(5), 2020: 1249, 15. D. Humelnicu, A. Pui, Corina Malutan, Th. Malutan, I. Humelnicu, Synthesis, characterization and theoretical investigations of new uranium (VI) and thorium (IV) complexes with 1-furfurylaldehyde-derived Schiff bases as ligands, J. Saudi Chem. Soc., 24(6), 2020:451-460, 16. D. Humelnicu, E.S. Dragan, M. Ignat, M.V. Dinu, A Comparative Study on Cu2+, Zn2+, Ni2+, Fe3+, and Cr3+ Metal Ions Removal from Industrial Wastewaters by Chitosan-Based Composite Cryogels Molecules, 25(11), 2020: 2664 17. E. S. Dragan, D. Humelnicu, M. V. Dinu, Development of chitosan-poly(ethyleneimine) based double network cryogels and their application as superadsorbents for phosphate, Carbohydrate Polym. 210, 2019: 17-25. 18. D. Humelnicu, L.Soroaga, C. Arsene, I.Humelnicu, R.I. Olariu, Adsorptive performance of soy bran and mustard husk towards arsenic (V) ions from synthetic aqueous solutions, Acta Chim. Slov., 66, 2019: 326-336 19. E.S. Dragan, D. Humelnicu, M. V. Dinu, Design of porous strong base anion exchangers bearing N,N-dialkyl 2-hydroxyethyl ammonium groups with enhanced retention of Cr(VI) ions from aqueous solution, React. & Funct. Polym. 124, 2018: 55-63. 20. E.S. Dragan, D. Humelnicu, M.V. Dinu, R.I. Olariu, Kinetics, equilibrium modeling, and thermodynamics on removal of Cr(VI) ions from aqueous solution using novel composites with strong base anion exchanger microspheres embedded into chitosan/poly(vinyl amine)cryogels, Chem. Eng. J., 330, 2017: 675-691. 21. C. Blegescu, D. Ganju, S. Shova, D. Humelnicu, Immobilised Co(II) homodinuclear coordinative compound with terephthalate bridge and o-phenanthroline for catalytic applications, Croat. Chem. Acta, 90(1), 2017: 59-66. 22. D. D.Dumitrascu, E. Popovici, N.Vrinceanu, D. Humelnicu, N. Ouerfelli, R.I. Prepelita, I. Gradinaru, Photocatalytic performance of systems based on uranyl incorporated SBA-15 mesoporous silica, Digest Journal of Nanomaterials and Biostructures, 11(2), 2016: 381 – 392 23. D. Humelnicu, M. Ignat, F. Doroftei, Agricultural by-products as low cost sorbents for the removal of heavy metals from dilute wastewaters, Environ. Monit. Assess., 187(5), 2015: 187-198. 24. D. Humelnicu, M. Ignat, M. Suchea, Evaluation of adsorption capacity of montmorillonite-K10 and Al-pillared clay towards Pb2+, Cu2+ and Zn2+ ions, Acta Chim. Slov., 62, 2015: 947-957. 25. D. Humelnicu, C. Blegescu, D. Ganju, Removal of uranium (VI) and thorium (IV) ions from aqueous solutions by functionalized silica: kinetic and thermodynamic studies, J. Radioanal. Nucl. Chem., 299(3), 2014: 1183-1190. 26. I.C. Popescu (Hoştuc), P. Filip, I. Humelnicu, M. Mateescu, E. Militaru, D. Humelnicu, Removal of uranyl ions by p-hexasulfonated calyx[6]arene acid, J. Nucl. Mater., 453, 2014: 75-81. 27. I.C. Popescu, P. Filip, D. Humelnicu, I. Humelnicu, T. B. Scott, R. A. Crane, Removal of uranium (VI) from aqueous systems by nanoscale zero-valent iron particles suspended in carboxy-methyl cellulose, J. Nucl. Mater., 443(1-3), 2013: 250-255. 28. D. Hritcu, D. Humelnicu, G. Dodi, M.I. Popa, Magnetic chitosan composite particles: evaluation of thorium and uranyl ion adsorption from aqueous solutions, Carbohydrate Polym., 87(2), 2012: 1185-1191. 29. A. Cecal, D. Humelnicu, V. Rudic, L. Cepoi, D. Ganju, A. Cojocari, Uptake of uranyl ions from uranium ores and sludges by means of Spirulina platensis, Porphyridum cruentum and Nostok linckia alga, Biores.Tehnol., 118, 2012: 19-23. 30. A. Cecal, D. Humelnicu, V. Rudic, L. Cepoi, A. Cojocari, Removal of uranyl ions from UO2(NO3)2 solution by means of Chlorella vulgaris and Dunaliella salinas alga, Cent. Eur. J. Chem., 10(5), 2012: 1669-1675. 31. D. Humelnicu, M. V. Dinu, E. S. Drăgan, Adsorption characteristics of UO22+ and Th4+ ions from simulated radioactive solutions onto chitosan/clinoptilolite sorbents, J. Hazard. Mater., 185(1), 2011: 447-455. 32. A. Pui, Th. Malutan, L. Tataru, C. Malutan, D. Humelnicu, G. Carja, New complexes of lanthanide Ln(III), (Ln = La, Sm, Gd, Er) with Schiff bases derived from 2-furaldehyde and phenylenediamines, Polyhedron, 30(12), 2011: 2127-2131. 33.D. Humelnicu, L. Bulgariu, M. Macoveanu, On the retention of uranyl and thorium ions from radioactive solutions on peat moss, J. Hazard. Mater., 174(1-3), 2010: 782-787. 34. D. Humelnicu, E. Popovici, C. Mita, E. Dvininov, Study on the retention of uranyl ions on modiffied clays with titanium oxide, J. Radioanal. Nucl. Chem., 279(1), 2009: 131-136. 35. T. Malutan, A. Pui, C. Malutan, L. Tataru, D. Humelnicu, A fluorescence emission, FT-IR and UV-Vis absorption study of the some uranium (VI) Schiff bases complexes, J. Fluorescence, 18(3-4), 2008: 707-713. 36. D. Humelnicu, R.I. Olariu, Al. Cecal, Recovery of some inorganic compounds from the sludges resulted after the leaching of uranyl ions from uranium ores, Environ. Eng. Manag. J., 7(4), 2008: 401-407. 37. G. Drochioiu, K. Popa, D. Humelnicu, M. Murariu, I. Sandu, Al. Cecal, Comparison of various sensitive and selective spectrophotometric assays of environmental cyanide, Toxicological & Environmental Chemistry, 90(2), 2008: 221-235. 38. R. Tykva, K. Popa, E. Podracka, D. Humelnicu, 226Ra translocation from soil to selected vegetation in the Crucea (Romania) uranium mining area, J. Radioanal. Nucl. Chem., 278(1), 2008: 211-213. 39. D. Humelnicu, G. Drochioiu, M.I. Sturza, K. Popa and Al. Cecal, Kinetic and thermodynamic aspects of U(VI) and Th(IV) sorption on a zeolitic volcanic tuff, J. Radioanal. Nucl. Chem., 207(3), 2006: 637-640. 40. D. Bontea, Carmen Mita, D. Humelnicu, Removal of uranyl ions from wastewaters using cellulose and modified cellulose materials, J. Radioanal. Nucl. Chem., 268 (2), 2006: 305-311. 41. K. Popa, M.N. Palamaru, A.R. Iordan, D. Humelnicu, G. Drochioiu, Al. Cecal, Laboratory analyses of 60Co2+, 65Zn2+ and 55+59Fe2+ radiocations uptake by Lemna minor, I. Environm. Health Studies, 42(1), 2006: 87-95. 42. D. Humelnicu, G. Drochioiu, K. Popa, Bioaccumulation of Thorium and Uranyl ions on Saccharomyces Cerevisiae, J. Radioanal. Nucl. Chem., 260(2), 2004: 291-293. 43. K. Popa, Al. Cecal, D. Humelnicu, I. Caraus, C. L. Draghici, Removal of 60Co2+ and 137Cs+ from low radioactive solutions using Azolla caroliniana Willd. Water fern, Cent. Eur. J. Chem., 2(3), 2004: 434-445. 44. K. Popa, Al. Cecal, G. Drochioiu, A. Pui, D. Humelnicu, Saccharomyces cerevisiae as uranium bioaccumulating material: the influence of contact time, pH and anion nature, Nukleonika, 48(3), 2003: 121-125. 45. Gh. Nemtoi, C. Beldie, C. Tircolea, I. Popa, Ig. Cretescu, I. Humelnicu and D. Humelnicu, Behaviour of the Poly(Maleic Anhydride-co-vinyl Acetate) Copolimer in Aqueous Solutions, Eur. Polym. J., 37, 2001: 729-735,
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Member since May 16, 2011
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