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Petru Negrea
Petru Negrea
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Factors influencing the antibacterial activity of chitosan and chitosan modified by functionalization
C Ardean, CM Davidescu, NS Nemeş, A Negrea, M Ciopec, N Duteanu, ...
International Journal of Molecular Sciences 22 (14), 7449, 2021
1792021
The study of infrared spectrum of chitin and chitosan extract as potential sources of biomass.
P Negrea, A Caunii, I Sarac, M Butnariu
Digest Journal of Nanomaterials & Biostructures (DJNB) 10 (4), 2015
1242015
Remediation of rare earth element pollutants by sorption process using organic natural sorbents
M Butnariu, P Negrea, L Lupa, M Ciopec, A Negrea, M Pentea, I Sarac, ...
International journal of environmental research and public health 12 (9 …, 2015
872015
Adsorption studies of Cr (III) ions from aqueous solutions by DEHPA impregnated onto Amberlite XAD7–Factorial design analysis
M Ciopec, CM Davidescu, A Negrea, I Grozav, L Lupa, P Negrea, A Popa
Chemical engineering research and design 90 (10), 1660-1670, 2012
862012
Synthesis and characterization of phosphonate ester/phosphonic acid grafted styrene− divinylbenzene copolymer microbeads and their utility in adsorption of divalent metal ions …
A Popa, CM Davidescu, P Negrea, G Ilia, A Katsaros, KD Demadis
Industrial & engineering chemistry research 47 (6), 2010-2017, 2008
822008
Rare earth elements removal from water using natural polymers
A Negrea, A Gabor, CM Davidescu, M Ciopec, P Negrea, N Duteanu, ...
Scientific reports 8 (1), 316, 2018
812018
The monitoring of mineral elements content in fruit purchased in supermarkets and food markets in Timisoara, Romania
RC Heghedus-Mindru, G Heghedus-Mindru, P Negrea, R Sumalan, ...
Annals of Agricultural and Environmental Medicine 21 (1), 2014
572014
Allelopathic effects of Pteridium aquilinum alcoholic extract on seed germination and seedling growth of Poa pratensis.
M BUTNARIU, I Samfira, I Sarac, A Negrea, P Negrea
Allelopathy journal 35 (2), 2015
552015
Effect of Ti addition on microstructure and corrosion properties of laser cladded WC-Co/NiCrBSi (Ti) coatings
I Hulka, D Utu, VA Serban, P Negrea, F Lukáč, T Chráska
Applied Surface Science 504, 144349, 2020
462020
Gold (III) adsorption from dilute waste solutions onto Amberlite XAD7 resin modified with L-glutamic acid
M Mihăilescu, A Negrea, M Ciopec, CM Davidescu, P Negrea, N Duţeanu, ...
Scientific Reports 9 (1), 8757, 2019
432019
Estimation on fixed-bed column parameters of breakthrough behaviors for gold recovery by adsorption onto modified/functionalized amberlite XAD7
A Negrea, M Mihailescu, G Mosoarca, M Ciopec, N Duteanu, P Negrea, ...
International Journal of Environmental Research and Public Health 17 (18), 6868, 2020
402020
Simultaneous removal of ammonium and phosphate ions from wastewaters and characterization of the resulting product
A Negrea, L Lupa, P Negrea, M Ciopec, C Muntean
Chemical Bulletin of Politechnica University of Timisoara 55 (2), 136-142, 2010
392010
Studies about CO2+ ion influence on soy plants development and acumulation of other chemical elements (Iron, magnesium, calcium, potassium and phosphorus)
M Butnariu, M Goian, I Ianculov, I Gergen, P Negrea
Revista de chimie 56 (8), 837-841, 2005
372005
Ionic liquids impregnated onto inorganic support used for thallium adsorption from aqueous solutions
L Lupa, A Negrea, M Ciopec, P Negrea, R Vodă
Separation and purification technology 155, 75-82, 2015
352015
Optimizing the lanthanum adsorption process onto chemically modified biomaterials using factorial and response surface design
A Gabor, CM Davidescu, A Negrea, M Ciopec, I Grozav, P Negrea, ...
Journal of environmental management 204, 839-844, 2017
342017
Phosphonium grafted styrene–divinylbenzene resins impregnated with iron (III) and crown ethers for arsenic removal
A Negrea, A Popa, M Ciopec, L Lupa, P Negrea, CM Davidescu, M Motoc, ...
Pure and Applied Chemistry 86 (11), 1729-1740, 2014
342014
Removal of AsV by FeIII-Loaded XAD7 Impregnated Resin Containing Di(2-ethylhexyl) Phosphoric Acid (DEHPA): Equilibrium, Kinetic, and Thermodynamic …
A Negrea, M Ciopec, L Lupa, CM Davidescu, A Popa, G Ilia, P Negrea
Journal of Chemical & Engineering Data 56 (10), 3830-3838, 2011
342011
Studies regarding the benzene, toluene and o-xylene removal from waste water
P Negrea, F Sidea, A Negrea, L Lupa, M Ciopec, C Muntean
Politeh. Univ 53, 1-2, 2008
342008
Studies regarding As (V) adsorption from underground water by Fe-XAD8-DEHPA impregnated resin. Equilibrium sorption and fixed-bed column tests
M Ciopec, A Negrea, L Lupa, CM Davidesc, P Negrea
Molecules 19 (10), 16082-16101, 2014
332014
Cs+ Removal from Aqueous Solutions through Adsorption onto Florisil® Impregnated with Trihexyl(tetradecyl)phosphonium Chloride
L Lupa, A Negrea, M Ciopec, P Negrea
Molecules 18 (10), 12845-12856, 2013
312013
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