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Dr. Irina Zgura

Scientific Researcher 2nd degree

Laboratory of Optical Processes in Nanostructured Materials

irina[DOT]zgura[AT]infim[DOT]ro

Expertize

·   Measurements of transition temperature, density, and surface tension measurements.

·   Studies on multifunctional textile materials.

·   Modifications of photocatalytic properties by tuning the  synthesis parameters of the   oxide semiconductors  thin films.

·   Interactions of some simple molecules with the surface of oxide or metallic materials by in situ IR spectroscopy, UV-vis spectroscopy.

·   Composite obtaining and their characterization by XRD.

·   Investigation of the watering properties of coatings applicable in the medical field (Ti implants, Ag doped C-structures, thin Ti nitride films, textiles coated with ZnO thin films and nanoparticles.) and determination of the free energy of the deposited layers based on the Owens-Wendt method for two test fluids .

·   Wet synthesis of ZnO and Ag composites obtained by ecological methods.

Honours and awards

Romanian Academy Prize in 2004: Prize "Stefan Procopiu” for the article: "Nematic-isotropic interfacial tension anisotropy of a calamitic lyotropic  liquid cristal" published in Liquid Crystals 31, 325-332 (2004)

1st Prize at the VIth International Congress of Dental Medicine for Physicians and Young Mitrofan I.L., Mateiaş C.G., Pătraşcu I., Pîrvu D., Zgură I., Beica T. Students "STOMis” Iassy, 9 – 12 December 2010 for presenting the poster „The assessment of quality of impression materials through the investigation of hyrophilicity (an in vitro study)”

1st Prize at Preclinical Section – Posters , 8th European Dental Students Association Congress, Bucharest, 10 – 14 March 2010 for presenting the poster „The assessment of quality of impression materials through the investigation of hyrophilicity”Mitrofan I.L., Mateiaş C.G., Pătraşcu I., Pîrvu D., Beica T., Zgură I.

The Best poster for young people EMRS 2014 spring meeting-Comparative study on the deposition of polymeric coatings based on PCL/PLGA blends, G. Popescu-Pelin, E. Axente, F. Sima, I. Iordache, C. Nita, A. Visan, I. Zgura, O.L. Rasoaga, C.S. Breazu, A. Stanculescu, G. Socol, I.N. Mihailescu

Silver Medal at EUROINVENT 2014 for “Device and method for detection of the viral antigen - specific antibody interactions by determining the contact angle”, S. Frunza, T. Beica, I. Zgura, L. Frunza, A. Nuta, A. Sorescu, C. N. Zaharia, I. Bunea

Excellence Awards at EUROINVENT 2014 for “Device and method for detection of the viral antigen - specific antibody interactions by determining the contact angle”, S. Frunza, T. Beica, I. Zgura, L. Frunza, A. Nuta, A. Sorescu, C. N. Zaharia, I. Bunea

 

Training stage

September – October 2004 Training stage at the Institute for Advanced Chemistry (ACA) in Berlin. The training stage was made under the European project CONCORDE, on the subject: Infrared spectroscopy measurements and TGA / DSC.

Selected publications

1.  Study of the surface layer of aerosil-8CB composites by TG/DTA/DSC measurements

J. Non-Cryst. Solids 325. 103-112 (2003)

S Frunza. H. Kosslick. A. Schonhals. L. Frunza. I. Enache (Zgura). T. Beica

2. Nematic-isotropic interfacial tension anisotropy of a calamitic lyotropic liquid crystal

Liq.Cryst. 31. 325-332 (2004)

T. Beica. R. Moldovan. M. Tintaru. M.R. Puica. I. Enache (Zgura). S. Frunza

3. Dynamics of surface layer in cyanobiphenyl-aerosil nanocomposites with a high silica density

Liq. Cryst. 31. 913-922 (2004)

S. Frunza. L. Frunza. M. Tintaru. I. Enache (Zgura). T. Beica. A. Schönhals

4. Temperature dependence of the density of liquid crystals in the alkyl cyanobiphenyl series

Cryst. Res. Technol. 44. 883 – 888. 2009

I. Zgura. R. Moldovan. T. Beica. S. Frunza

24. Assessment of the Impression Materials by Investigation of the Hydrophilicity

Dig. J. Nanomater. Bios. Vol. 5. 749-755. 2010

I.  Zgura. T. Beica. I. L. Mitrofan. C. G. Mateias. D. Pirvu. I. Patrascu

5. Radical change of the wetting behavior of ZnO thin films and nanoparticles with the variation of the gas pressure during pulsed laser deposition process

J. App. Phys 110. 064321 (2011)

A.C. Popescu. G. Dorcioman. L. Duta. I.N. Mihailescu. G.E. Stan. I. Pasuk. I. Zgura. T. Beica. I. Enculescu. A. Ianculescu. I. Dumitrescu

6. Superhydrophobic properties of cotton fabrics functionalized with ZnO by electroless deposition

Mat. Chem. Phys. 138. 253-261 (2013)

N. Preda. M. Enculescu. I. Zgura. M. Socol. E. Matei. V. Vasilache. I. Enculescu

7. Superhydrophobic ZnO networks with high water adhesion

Nanoscale Res. Lett., 9, 385, 2014

C. Florica, N. Preda, M. Enculescu, I. Zgura, M. Socol, I. Enculescu

8. Supported Pd-Cu nanoparticles for water phase reduction of nitrates. Influence of the support and of the pH conditions

Ind. Eng. Chem. Res., 2014, 53 (49), pp 19094–19103

F. Papa, I. Balint, C. Negrila, E. Olaru, I. Zgura, C. Bradu

9. Polyester fabrics covered with  ZnO particles: particle interaction with surface shown by dielectric proprieties

DJNB Vol. 9, No. 4, 1493 – 1503, 2014

C.P. Ganea, L. Frunza, I. Zgura, N. Preda, E. Matei, S. Frunza

10. Composite biodegradable biopolymer coatings of Silk Fibroin – Poly(3-Hydroxybutyric-acid-co-3-Hydroxyvaleric-acid) for biomedical applications

Applied Surface Science 355, 1123–1131, (2015)

F.M. Miroiu, N. Stefan, A.I. Visan, C. Nita, C.R. Luculescu, O. Rasoga, M. Socol, I. Zgura, R. Cristescu, D.Craciun, G. Socol/8

11. Rod-like cyanophenyl probe molecules nanoconfined to oxide particles: Density of adsorbed surface species

European Physical Journal – Plus, 131, 27-27, 2016

S. Frunza, L. Frunza, C.P. Ganea, I. Zgura, A. R. Brás, A. Schönhals

12. Thickness influence upon in vitro biocompatibility of titanium nitride thin films synthesized by pulsed laser deposition

Materials 2016, 9, 38; 2016

L. Duta, G. Stan, A.C. Popa, M.A. Husanu, S. Moga, M. Socol, I. Zgura, F. Miculescu, I. Urzica, A. Popescu, I. Mihailescu

13. ZnO nanowires grown directly on zinc foils by thermal oxidation in air: wetting and water adhesion properties

Materials Letters, 170, 156–159, (2016)

N. Preda,  C. Florica, A. Costas, I. Zgura,  I. Enculescu

14. Wicking behavior of fabrics described by simultaneous acquiring the images of the wet region and monitoring the liquid weight

COLLOID SURFACE A, 497, 146–153, (2016)

V. F. Cotorobai, I. Zgura, M. Birzu, S. Frunza, L. Frunza

15. Fabrication of periodical surface structures by picosecond laser irradiation of carbon thin films: transformation of amorphous carbon in nanographite

Appl. Surf. Sci. 390, 236–243 (2016)

C. Popescu, G. Dorcioman, B. Bita, C. Besleaga, I. Zgura, C. Himcinschi, A. C. Popescu

16. Fabrication of antimicrobial Silver-doped Carbon structures by combinatorial pulsed laser deposition

Int J Pharm. S0378-5173(16) 31006-7 (2016)

I. N. Mihailescu, D. Bociaga, G. Socol, G. E Stan, M. C Chifiriuc, C. Bleotu, M. A Husanu, G. Popescu-Pelin, L. Duta, C. R Luculescu, I. Negut, C. Hapenciuc, C. Besleaga, I. Zgura, F.Miculescu

17. Antimicrobial polycaprolactone/polyethylene glycol embedded lysozyme coatings of Ti implants for osteoblast functional properties in tissue engineering

App. Surf. Sci. 417, 234-243, 2017

A. Visan, R. Cristescu, N. Stefan, M. Miroiu, C. Nita, M. Socol, C. Florica, O. Rasoga, I. Zgura, LE. Sima, M. Chiritoiu, MC. Chifiriuc, AM. Holban, IN. Mihailescu, G. Socol,

18. Biocomposite coatings based on Poly(3-hydroxybutyrate-co-3-hydroxyvalerate)/calcium phosphates obtained by MAPLE for bone tissue engineering

App. Surf. Sci. 417, 204-212, 2017

O. Rașoga, L. Sima, M. Chirițoiu, G. Popescu-Pelin, O. Fufă,V. Grumezescu, M. Socol, A. Stănculescu, I. Zgura, G. Socol

19. Optimum Silicon doping of Carbon coatings by pulsed laser technique for superior functional biomedical surfaces fabrication

Biofabrication 9, 025029, 2017

I. Mihailescu, D. Bociaga, G.  Popescu-Pelin, G. Stan, L. Duta, G. Socol, C Chifiriuc, C. Bleotu, V. Lazar, M. Husanu, I. Zgura, F. Miculescu, I. Negut, C. Hapenciuc

20. Wet chemical synthesis of ZnO-CdS composites and their photocatalytic activity

Materials Research Bulletin,  99, 2018, 174–181

I. Zgura, N. Preda, D. Ghica, G. Socol, C. Ghica, M. Enculescu, I. Negut, L. Nedelcu, L. Frunza, C. P. Ganea, S. Frunza

21. Photocatalytic activity of wool fabrics deposited at low temperature with ZnO or TiO2 nanoparticles: Methylene blue degradation as a test reaction

Catalysis Today 306, May 2018, 251–259

L Frunza, L Diamandescu, I Zgura, S. Frunza, CP Ganea, C Negrila, M.Enculescu, M. Birzu

22. Physical-chemical characterization and biological assessment of simple and lithium-doped biological-derived hydroxyapatite thin films for a new generation of metallic implants

App. Surf. Sci. 439, 1 May 2018, Pages 724-735

A.C. Popescu, P.E. Florian, G.E. Stan, G. Popescu-Pelin, I. Zgura, M. Enculescu, F.N. Oktar, R. Trusca, L.E. Sima, A. Roseanu, L. Duta

23. One-pot enzymatic production of lignin-silica composites

Front. Chem. 6, April 2018, 124

S. Ion,  C. Opris,  B. C.,  M. Tudorache ,  I. Zgura,  A. Galca,  A. Bodescu, M. Enache,  G. Maria and  V. I Parvulescu

24. Hierarchical functionalization of electrospun fibers by electrodeposition of zinc oxide nanostructures

Applied Surface Science 458 (2018) 555–563

E. Matei, C. Busuioc, A. Evanghelidis, I. Zgura, M. Enculescu, M. Beregoi, I. Enculescu

25. Lincomycin–embedded PANI–based coatings for biomedical applications, G. Popescu-Pelin, O. Fufă, R. C.

Applied Surface Science 455 (2018) 653–666

Popescu, D. Savu, M. Socol, I. Zgura, A. M. Holban, B. Ş. Vasile, V. Grumezescu, G. Socol,

26. Performant silver-based biohybrids generated from orange and grapefruit wastes

JOAM Vol. 20, No. 9-10, September – October  2018, p. 551-557

M. E. Barbanta-Patrascu, C. Ungureanu, I.-R. Suica-Bunghez, A.-M. Iordache, S. Milenkovic Petrovic, A. Ispas, I. Zgura,

27. Pd-Cu catalysts supported on anion exchange resin for the simultaneous catalytic reduction of nitrate ions and reductive dehalogenation of organochlorinated pollutants from water,

Applied Catalysis A: General 570, 2019, 120-129

C. Bradu, C. Căpăț; F. Papa, L. Frunza, E.A. Olaru; G. Crini, N. Morin-Crini, É. Euvrard, I. Balint, I. Zgura, C. Munteanu,

28. Laser Processed Antimicrobial Nanocomposite based on Polyaniline Grafted Lignin loaded with Gentamicin-Functionalized Magnetite

Polymers 2019, 11, 283

A. I. Visan, G. Popescu-Pelin, O. Gherasim, V. Grumezescu, M. Socol, I. Zgura, C. Florica, R. C. Popescu, D. Savu, A. M. Holban, R. Cristescu, C. E. Matei, G.Socol

29. 3D hybrid structures based on biomimetic membranes and Caryophyllus aromaticus - “green” synthesized nano-silver with improved bioperformances

Materials Science and Engineering: C, 101 (2019) 120-137 M. E.Barbinta-Patrascu, N. Badea, M. Bacalum, C. Ungureanu, I. R. Suica-Bunghez, S. M. Iordache, C. Pirvu, I. Zgura, V.  A. Maraloiu

30. Molecular dynamics in bulk and surface species of cyanophenyl alkyl benzoates with 2, 3 and 7 carbon atoms in the alkyl chain: Comparison in the whole homologous series S. Frunza, C. P. Ganea, I. Zgura, L. Frunza, A. Schönhals Liquid Crystals acceptat 2019

Research projects

Principal Investigator – Integrated process for the removal of nitrates and organochlorine pesticides from natural water contaminated related to agricultural practices National Program II – Partnership/2012-2016.

Principal Investigator – Investigations of biocomposite materials with bio-medical applications by means of neutron scattering and complementary methods”  Dubna, no. 44 from Ordinul nr.397/27.05.2019.

Researcher/member  of the team working at Complex characterization of coated/functionalized textiles: wettability, direct analysis, spectroscopic and structural properties in correlation PN-II-ID-PCE/IDEI 2011-2016

Researcher /member  of the team working at aStar Programe, Project “Star-Technology” 2012-2015

Researcher /member  of the team working at Nanostructured systems for identification of viral antigens for use in medical diagnosis CNMP/PN/2007-2010

Researcher /member  of the team working at Micro-generation solutions containing antibiotics nanodrops exposed to laser radiation in overcoming resistance to treatment

CNMP/PN/2007-2010

Researcher /member  of the team working at another 8 research project between 2001-2007

Books

1. L. Frunza, I Zgura, V. F. Cotorobai, C. P. Ganea, S. Frunza, Laser Optofluidics in Fighting Multiple Drug Resistance /Microdroplets of laser irradiated drug solutions: surface tension and contact angle, Benthamscience, Edited By Mihail Lucian Pascu, pp. 227-256, 2017, ISBN:978-1-68108-499-2

2. L. Duta, A. C. Popescu, I. Zgura, N. Preda, I. N. Mihailescu, Chapter 8: Wettability of nanostructured surfaces in Wetting and Wettability, InTech – Rijeka, 2015, ISBN 978-953-51-2215-9

3. L. Duta, A. C. Popescu, I. Zgura, N. Preda, I. N. Mihailescu, Chapter 8: Wettability of nanostructured surfaces in Wetting and Wettability, InTech – Rijeka, 2015, ISBN 978-953-51-2215-9

4. N. Preda, M. Enculescu, I. Zgura, M. Socol, C. Florica, A. Evanghelidis, E. Matei, I. Enculescu, Chapter 5: Zinc Oxide and Polysaccharides: Promising Candidates for Functional Nanomaterials in Size Effects in Nanostructures – Basics and Applications, Springer - Verlag Berlin Heidelberg, 2014, ISBN 978-3-662-44478-8

Patents

T. Beica, S. Frunza, I. Zgura, R. Moldovan, A. Dinescu, Method, measurement cell and experimental setup for the determination of temperature dependence of optical birefringence of liquid crystals, Brevet RO 122061B1/28.11.2008

S. Frunza, T. Beica, I. Zgura, L. Frunza, A. Nuta, A. Sorescu, C.N. Zaharia, I. Bunea, Device and method for detection of the viral antigen - specific antibody interactions by determining the contact angle, Brevet RO 126242 B1/30.10.2013

Projects

1. Obtaining and investigations of the new biocomposite materials with bio-medical applications by means of neutron scattering and complementary methods
Project Type: Dubna, Start Date: 2020-05-20 End Date: 2020-12-10
2. Investigations of biocomposite materials with bio-medical applications by means of neutron scattering and complementary methods
Project Type: Dubna, Start Date: 2019-06-10 End Date: 2020-12-31

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