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Grup de cercetare

 

GRUPUL DE CERCETARE

CHIMIA MATERIALELOR

 

Contact

Conf. dr. Maria IGNAT
Tel: +40 232 201135
e-mail: maria.ignat@uaic.ro 

Membri

1. Prof. dr. em. Nicolae BÎLBĂ
2. Prof. dr. em. Eveline POPOVICI
3. Prof. dr. Aurelia VASILE
4. Conf. dr. Doina LUTIC
5. Conf. dr. Maria IGNAT
6. Asist. dr. Elvira TURCU
7. Stud. Masterand Marco Pavel AVRAM
8. Stud. Masterand Rebeca SIMIREA
9. Stud. Maria Renata BICER
10. Stud. CONDREA Denis
11. Stud. Bianca Stefania FILOTE
12. Stud. Cristina Odette HUŢUL
13. Stud. Maria ȘERBU
14. Stud. Delia ŢUŢU

Domenii de cercetare

Infrastructura

• Spectrofotometru de absorbţie atomică cu sursă continuă, ContrAA 300, AnalyticJena;
• Spin coater Ossila (10 programe cu până la 50 etape fiecare, viteză: 120-6000 rpm, timp de lucru 1 - 1000 s)
• Dip coater Ossila 2006 L2006A1
• Incubator vibrație cu agitare (model ES-80 Shimadzu, 50-250 rpm, 25-80^oC)
• Spectrofotometru UV-VIS 2401 PC, cu sferă integratoare pentru înregistrarea spectrelor de reflexie difuză pe solide;
• Instrument de măsură multifuncțional pentru soluții (pH, temperatură, conductivitate, rezistivitate, TDS, salinitate)
• Echipament pentru determinarea izotermelor de adsorbţie - desorbţie, suprafeţei specifice, dimensiunii  porilor, Nova 2200e, Quantachrome Instruments ;
• Echipament pentru determinarea carbonului şi azotului total -TOC , Analytic Jena ;
• Reactoare fotocataliză în UV şi vizibil cu diverse moduri de expunere (Heraeus technology);
• Procesor de ultrasonare Sonics Vibra cell CV33;
• Spectrofotometru UV VIS pentru lichide SPECTRO SC;
• Aparat pentru apă ultrapură Pure Lab Option, ELGA;
• Cuptor de calcinare (până la 1100 °C);
• Boxă de lucru în atmosferă controlată;
• Cuptor de piroliză cu atmosferă controlată;
• Etuva cu atmosferă controlată LabTech;
• Ultratermostat cu agitare, Heidolph MR Standard;
• Balanţe analitice electronice;
• Baie cu ultrasunete pentru curățare.

Lucrări reprezentative publicate în perioada 2021-2025

1.     Paiu, M., Lutic, D., Favier, L., Gavrilescu, M., Heterogeneous Photocatalysis for Advanced Water Treatment: Materials, Mechanisms, Reactor Configurations, and Emerging Applications, Appl. Sci. Basel (2025) 15, 10, p. 5681, https://doi.org/10.3390/app15105681.

2.     Maftei, A.E., Ignat, M., Dobromir, M., Buzatu, A., Neamțu, M., A promising natural material for pollutants removal, Scientific Reports (2025) 15(1), 21456, https://doi.org/10.1038/s41598-025-07580-8.

3.     Paiu, M., Favier, L., Lutic, D., Hlihor, R.M., Sergentu, D.C., Alonzo, V., Gavrilescu, M., First insight on the effective removal of pentoxifylline drug under visible-light-driven irradiation with ZnO catalyst obtained via precipitation, J. Envir. Manag. (2025) 386, p. 125420, https://doi.org/10.1016/j.jenvman.2025.125420.

4.     Sha'at, M., Ignat, M.*, Doroftei, F., Ghizdovat V., Agop M., Barsan A., Cretan M.S., Sha'at F., Pavaloiu R.-D., Spac A.F., Ochiuz, L., Filip, C.N., Popa, O., Development of Modified Drug Delivery Systems with Metformin Loaded in Mesoporous Silica Matrices: Experimental and Theoretical Designs, Pharmaceutics (2025) 17(7), 882, https://doi.org/10.3390/pharmaceutics17070882.

5.     Olariu, D.-I., Platon, V.M., Ibanescu, A., Vlad, M.D., Zara-Danceanu, C.M., Lutic, D., Marin, L., Dragoi, B., LDH-chitosan bionanocomposites for oncologic applications: A refreshing perspective on the mutual influence through intermolecular forces toward controlled morphology and dispersion, Int. J. Biol. Macrom. (2025) 329, p. 147495, https://doi.org/10.1016/j.ijbiomac.2025.147495.

6.     Coromelci, C.G., Maftei, A.E., Ignat, M., Brinza, L., Qualitative and quantitative investigations of Cr (VI) uptake by amorphous nanoparticulate ferrites doped with organic chelating agents, Journal of Hazardous Materials Advances (2025) 18, 100647, https://doi.org/10.1016/j.hazadv.2025.100647.

7.     Horchidan, N., Airimioaei, M., Ababei, G., Stoian, G., Topală, I., Dobromir, M., Ignat, M., Ciomaga, C.E., Neamțu, M., Novel piezoelectric xNF-(1-x)PZT materials for catalytic/photocatalytic removal of pollutants, Surfaces and Interfaces (2024) 51, 104604, https://doi.org/10.1016/j.surfin.2024.104604.

8.     Sha'at, M., Ignat, M., Sacarescu, L., Spac, A.F., Barsan, A., Ghizdovat, V., Nazaretian, E., Dumitras, C., Agop, M., Rusu, C.M., Ochiuz, L., Multifractal Analysis and Experimental Evaluation of MCM-48 Mesoporous Silica as a Drug Delivery System for Metformin Hydrochloride, Biomedicines (2024) 12(12), 2838, https://doi.org/10.3390/biomedicines12122838.

9.     Maftei A., Cojocaru C., Dobromir M., Ignat M., Neamțu M., Novel nanohybrid iron (II/III) phthalocyanine-based carbon nanotubes as catalysts for organic pollutant removal: Process optimization by chemometric approach, Environmental Science and Pollution Research (2024) 31(24), pp. 35651-35665, https://doi.org/10.1007/s11356-024-33653-8.

10.  Fortună M.E., Ignat M.*, Tudorachi N., Ungureanu E., Rotaru R., Harabagiu V., Hybrid Siloxane Materials Based on a Mutually Reactive Epoxy-Amine System: Synthesis, Structure, and Thermal Stability Investigations, Inorganics (2024) 12 (4), 118, https://doi.org/10.3390/inorganics12040118.

11.  Ibanescu, A., Olariu, D.I., Lutic, D., Hulea, V. and Dragoi, B., Engineering the Morphostructural Properties and Drug Loading Degree of Organic-Inorganic Fluorouracil-MgAl LDH Nanohybrids by Rational Control of Hydrothermal Treatment. ACS omega (2023) 8(29), pp. 26102-26121, https://doi.org/10.1021/acsomega.3c02288.

12.  Zaltariov M.-F., Ciubotaru B.-I., Ghilan A., Peptanariu D., Ignat M., Iacob M., Vornicu N., Cazacu M., Mucoadhesive Mesoporous Silica Particles as Versatile Carriers for Doxorubicin Delivery in Cancer Therapy International Journal of Molecular Sciences (2023) 24 (19), art. no. 14687, https://doi.org/10.3390/ijms241914687.

13.  Turcu, E. (Mahu), Coromelci, C. G., Harabagiu, V., Ignat, M., Enhancing the Photocatalytic Activity of TiO₂ for the Degradation of Congo Red Dye by Adjusting the Ultrasonication Regime Applied in Its Synthesis Procedure, Catalysts (2023) 13, 345, https://doi.org/10.3390/catal13020345.

14.  Ghiorghita C.A., Humelnicu D., Dinu M.V., Ignat M., Bonardd S., Díaz D.D., Dragan E.S., Polyelectrolyte complex composite cryogels with self-antibacterial properties and wide window for simultaneous removal of multiple contaminants, Chemical Engineering Journal (2023) 459, art. no. 141562, https://doi.org/10.1016/j.cej.2023.141562.

15.  Coromelci C. G., Turcu E. (Mahu), Doroftei F., Palamaru M. N., Ignat M.*, Conjugated Polymer Modifying TiO₂ Performance for Visible-Light Photodegradation of Organics, Polymers (2023) 15(13),  2805, https://doi.org/10.3390/polym15132805.

16.  Zinicovscaia I., Yushin N., Humelnicu D., Ignat M., Humelnicu I., Grozdov D., Vershinina T., Removal of Indium Ions from Aqueous Solutions Using Hydroxyapatite and Its Two Modifications, Separations (2023) 10 (7), art. no. 401, https://doi.org/10.3390/separations10070401.

17.  Grecu I., Samoila P., Pascariu P., Cojocaru C., Ignat M., Dascalu I.-A., Harabagiu V., Enhanced Photodegradation of Organic Pollutants by Novel Samarium-Doped Zinc Aluminium Spinel Ferrites, Catalysts (2023) 13 (2), art. no. 266, https://doi.org/10.3390/catal13020266.

18.  Dănilă R., Amărandi R.-M., Ignat M., Pui A., Mesoporous MgFe₂O₄@HaP@APTES nanocomposite as scaffold for α-glucosidase coupling, Materials Today Communications (2023) 36, art. no. 106427, https://doi.org/10.1016/j.mtcomm.2023.106427.

19.  Zinicovscaia, I., Yushin, N., Humelnicu, D., Grozdov, D., Ignat, M., Humelnicu, I., Adsorption Capacity of Silica SBA-15 and Titanosilicate ETS-10 toward Indium Ions, Materials (2023) 16 (8), art. no. 3201, https://doi.org/10.3390/ma16083201.

20.  Dănilă R.-Ú., Dumitru I., Ignat M., Pui A., CoFe₂O₄@HaP as Magnetic Heterostructures for Sustainable Wastewater Treatment, Materials (2023) 16 (7), art. no. 2594, https://doi.org/10.3390/ma16072594.

21.  Constantin, M., Spiridon, M., Ichim, D.L., Daraba, O.M., Suflet, D.M., Ignat, M., Fundueanu, G., Synthesis, biological and catalytic activity of silver nanoparticles generated and covered by oxidized pullulan, Materials Chemistry and Physics (2023) 295, art. no. 127141, https://doi.org/10.1016/j.matchemphys.2022.127141.

22.  Maftei, A.E., Ahmed, I., Neamtu, M., Coromelci, C.G., Ignat, M., Brinza, L., Nanocrystalline structured ethylene glycol doped maghemite for persistent pollutants removal, Environmental Science: Water Research and Technology (2023) 9, pp. 1634-1645, https://doi.org/10.1039/D2EW00986B.

23.  Humelnicu, D., Ignat, M., Dinu, M.V., Dragan, E.S., Optimization of Arsenic Removal from Aqueous Solutions Using Amidoxime Resin Hosted by Mesoporous Silica, ACS Omega (2022) 7 (35), pp. 31069-31080, https://doi.org/10.1021/acsomega.2c03140.

24.  Condurache, B.-C., Cojocaru, C., Samoila, P., Ignat, M., Harabagiu, V., Data-driven modeling and optimization of oil spill sorption by wool fibers: retention kinetics and recovery by centrifugation, International Journal of Environmental Science and Technology (2022) 19 (1), pp. 367-378, https://doi.org/10.1007/s13762-021-03176-7.

25.  Humelnicu, D., Zinicovscaia, I., Humelnicu, I., Ignat, M., Yushin, N., Grozdov, D., Study on the SBA‐15 Silica and ETS‐10 Titanosilicate as Efficient Adsorbents for Cu(II) Removal from Aqueous Solution, Water (Switzerland) (2022) 14 (6), art. no. 857, https://doi.org/10.3390/w14060857.

26.  Ardelean, R., Popa, A., Drăgan, E.S., Davidescu, C.-M., Ignat, M., New Polymeric Adsorbents Functionalized with Aminobenzoic Groups for the Removal of Residual Antibiotics, Molecules (2022) 27 (9), art. no. 2894, https://doi.org/10.3390/molecules27092894.

27.  Zinicovscaia, I., Yushin, N., Humelnicu, D., Grozdov, D., Ignat, M., Demcak, S., Humelnicu, I., Sorption of Ce(III) by silica SBA-15 and titanosilicate ETS-10 from aqueous solution, Water (Switzerland) (2021) 13 (22), art. no. 3263, https://doi.org/10.3390/w13223263.

28.  Lutic, D., Sescu, A.M., Siamer, S., Harja, M. and Favier, L., Excellent ambient oxidation and mineralization of an emerging water pollutant using Pd-doped TiO₂ photocatalyst and UV-A irradiation. Comptes Rendus. Chimie (2022) 25(S3), pp.1-13, https://doi.org/10.5802/crchim.145.

29.  Mahu, E., Samoila, P., Ignat, M., Cojocaru, C., Harabagiu, V., Influence of fuel nature on sol-gel microwave-ignited combustion synthesis of nanosized cobalt and nickel spinel ferrites, Comptes Rendus Chimie (2022) 25 (189-202), 1878-1543, doi: 10.5802/crchim.157.

30.  Ignat, E.C., Lutic, D., Ababei, G., Carja, G., Novel Heterostructures of Noble Plasmonic Metals/Ga-Substituted Hydrotalcite for Solar Light Driven Photocatalysis toward Water Purification, Catalysts (2022) 12, 1351,https://doi.org/10.3390/catal12111351.

31.  Coromelci, C., Ignat, M., Sacarescu, L., Neamtu, M., Enhanced visible light activated mesoporous titania by rare earth metal doping, Microporous and Mesoporous Materials (2022) 341, art. no. 112072, https://doi.org/10.1016/j.micromeso.2022.112072.

32.  Coromelci, C., Neamtu, M., Ignat, M., Samoila, P., Zaltariov, M.F., Palamaru, M., Ultrasound assisted synthesis of heterostructured TiO₂/ZnFe₂O₄ and TiO₂/ZnFe_1.98La_0.02O₄ systems as tunable photocatalysts for efficient organic pollutants removal, Ceramics International (2022) 48 (4), pp. 4829-4840, https://doi.org/10.1016/j.ceramint.2021.11.019.

33.  Fortună, M.E., Pricop, L., Zaltariov, M., Popovici, D., Ignat, M.*, Harabagiu, V., Simionescu, B.C., Cu(II)/Guanidine Functionalized Disiloxane Complex of Supramolecular Structures for Visible Light-Driven Photocatalysis of Congo Red, Polymers (2022) 14 (4), art. no. 817, https://doi.org/10.3390/polym14040817.

34.  Dragoi, B., Uritu, C.M., Agrigoroaie, L., Lutic, D., Hulea, V., Postole, G., Coroaba, A., Carasevici, E., MnAl Layered Double Hydroxide Nanosheets Infused with Fluorouracil for Cancer Diagnosis and Therapy, ACS Applied Nano Materials (2021) 4, 2061-2075, https://doi.org/10.1021/acsanm.0c03365.

35.  Dragoi, B., Urâtu, C.M., Agrigoroaie, L., Lutic, D., Cacciaguerra, T., Hulea, V., Carasevici, E., Mn-based 2D layered nanomaterials for boosting the MRI signal, Materials Letters (2021) 288, 129331, https://doi.org/10.1016/j.matlet.2021.129331.

36.  Samoila, P., Cojocaru, C., Mahu, E., Ignat, M., Harabagiu, V., Boosting catalytic wet-peroxide-oxidation performances of cobalt ferrite by doping with lanthanides for organic pollutants degradation, Journal of Environmental Chemical Engineering (2021) 9, 10496, 2213-3437, doi.org/10.1016/j.jece.2020.104961.

37.  Mahu, E., Coromelci, C.-G., Lutic, D., Asaftei, I.-V., Sacarescu, L., Harabagiu, V., Ignat, M., Tailoring Mesoporous Titania Features by Ultrasound-Assisted Sol-Gel Technique: Effect of Surfactant/Titania Precursor Weight Ratio, Nanomaterials (2021) 11, 1263. doi.org/10.3390/nano11051263.

38.  Brinza, L., Geraki, K., Matamoros-Veloza, A., Ignat, M., Neamtu, M., The Irish kelp, Fucus vesiculosus, a highly potential green bio sorbent for Cd (II) removal: Mechanism, quantitative and qualitative approaches, Journal of Cleaner Production (2021) 327, art. no. 129422, https://doi.org/10.1016/j.jclepro.2021.129422.

39.  Lukacs, V.A., Caruntu, G., Condurache, O., Ciomaga, C.E., Curecheriu, L.P., Padurariu, L., Ignat, M., Airimioaei, M., Stoian, G., Rotaru, A., Mitoseriu, L., Preparation and properties of porous BaTiO₃ nanostructured ceramics produced from cuboidal nanocrystals, Ceramics International (2021) 47 (13), pp. 18105-18115, https://doi.org/10.1016/j.ceramint.2021.03.128.

40.  Soreanu, G., Cretescu, I., Diaconu, M., Cojocaru, C., Ignat, M., Samoila, P., Harabagiu, V., Investigation of a biosystem based on Arthrospira platensis for air revitalisation in spacecrafts: Performance evaluation through response surface methodology, Chemosphere (2021) 264, art. no. 128465,https://doi.org/10.1016/j.chemosphere.2020.128465.

Brevete de invenţie

• PROCEDEU DE PREPARARE PENTRU FORMULĂRI FARMACEUTICE SEMISOLIDE TOPICE CU PROPRIETĂŢI DE ELIBERARE MODIFICATĂ A SUBSTANŢEI ACTIVE
  L. Ochiuz, C. Ghiciuc, E.C. Lupuşoru, D.V. Timofte, A. Vasile, M. Ignat,
  Brevet de invenţie Nr. 133126 acordat la 29.08.2025

• PROCEDEU DE PREPARARE A UNOR SISTEME DE TRANSPORT ŞI ELIBERARE MODIFICATĂ A MEDICAMENTELOR PENTRU FORMULĂRI TOPICE SPECIFICE LIMFOMULUI CUTANAT CU CELULE T,
  Vasile, M. Ignat, L. Ochiuz , C. Ghiciuc, E.C. Lupuşoru, D.V. Timofte,
  Brevet de invenţie Nr. 133127 acordat la 30.04.2025