UBB-Cluj-Facultatea-de-Fizica-Conf-Dr-Nicolae-Leopold

Colaboratori

Dr. Szabó László

Istvan-Todor

István Sz. Tódor, now PHD student at BBU
Master Dissertation (2012) Para-aminothiophenol: an intriguing case for SERS

Publications:
I. Sz. Tódor, L. Szabó, O. T. Marişca, V. Chiş, N. Leopold, Gold nanoparticle assemblies of controllable size obtained by hydroxylamine reduction at room temperature. Journal of Nanoparticle Research, 2014, 16:2740
Szabó, L., K. Herman, N.E. Mircescu, I.S. Tódor, B.L. Simon, R.A. Boitor, N. Leopold, and V. Chiş, Surface-enhanced Raman scattering and DFT investigation of 1,5-diphenylcarbazide and its metal complexes with Ca(II), Mn(II), Fe(III) and Cu(II). Journal of Molecular Structure, 2014
B.Marta, C.Leordean, I.Todor, R. Baritchi, S. Astilean, Optimization of various parameters for graphene synthesis by thermal chemical vapor deposition (CVD) on copper substrate, StudiaUBB Physica, Vol. 59 (LIX), 2, 2014, pp. 35-45

Oana T. Truica (Marișca), now PhD student at BBU

PhD study, Synthesis and biological evaluation of engineered metallic nanomaterials
Master thesis (2014), Engineered gold nanoparticles towards interaction with cells
ERASMUS scholarship at Marburg University (2013-2014), Can the coating make a difference: comparison of the in vitro performance of collagen- and synthetic polymer coated gold nanoparticles
Master of Science at BBU, specialization: Biophysics and Medical Physics
Babeș-Bolyai University (BBU) scholarship for scientific performance (2012-2013), Biokinetic studies of collagen coated gold nanoparticles towards a new delivery system
Bachelor thesis (2012), Doxorubicin chemotherapeutic drug delivery approach using novel polyethylene glycol coated silver and gold nanoparticles

Publications:
N. Leopold, V. Chiș, N. Mircescu, O. Marișca, O. Buja, L. Leopold, C. Socaciu, C. Braicu, A. Irimie, I. Berindan-Neagoe, One step synthesis of SERS active colloidal gold nanoparticles by reduction and stabilization with polyethylene glycol, submitted in Colloids and Surfaces A: Physicochem. Eng. Aspects, Manuscript ID : RA-ART-09-2012-022076
E. Vlad, O. T. Marisca, A. Vulpoi, S. Simon, N. Leopold and S. D. Anghel, Simple approach for gold nanoparticlesynthesis using an Ar bubbled plasma setup, J. Nanopart. Res., 16:2633, (2014). doi:10.1007/s11051-014-2633-6
Istvan Sz. Todor, Laszlo Szabo, O T. Marisca, Vasile Chis, Nicolae Leopold, Gold nanoparticle assemblies of controllable size obtainedby hydroxylamine reduction at room temperature, J Nanopart Res (2014), 16:2740, DOI 10.1007/s11051-014-2740-4

Oana M. Buja, master student

IRTG fellowship at TU Chemnitz (October 2014 – March 2015), On-line detection of different concentration of organic molecules using a SERS microfluidic device
ERASMUS scholarship at TU Chemnitz (2013-2014), Real-time SERS monitoring of malachite green adsorption on in situ synthesized silver spots
Master of Science at BBU, specialization: Biophysics and Medical Physics
Diploma Work (2013) Synthesis and characterization of polyethylene glycol coated gold nanoparticles of defined size
Babeș-Bolyai University (BBU) scholarship for scientific performance (2012-2013), Preparation and charaterization of biocompatible gold nanoparticles coated with polyethylene glycol of 8-80 nm size

Publications:
O. M. Buja, N. E. Mircescu, N.Leopold, Raman scattering enhancement of PEG coated gold nanoparticles of defined size, Journal of Applied Spectroscopy, 81 (2014), 411-415
N. Leopold, V. Chiș, N. E. Mircescu, O. T. Marișca, O. M. Buja, L. F. Leopold, C. Socaciu, C. Braicu, A. Irimie, I. Berindan-Neagoe, Highly biocompatible and SERS active gold colloids obtained by reduction and stabilization with polyethilene glycol, Colloids and Surfaces A: Physicochemical and Engineering Aspects, 436 (2013), 133-138

Radu Boitor

Anda Leș, master student, specialization Biophysics and Medical Physics
Bachelor Thesis (2014) Discrimination between different microorganisms species of halophilic Archaea using Raman Spectroscopy and Principal Component Analysis
BioNanoSpec Conference (Cluj-Napoca, 2014), poster presentation
ICAVS Conference (Vienna, 2015), Discrimination of haloarchaeal genera using Raman spectroscopy and PCA, poster presentation

ALUMNI

Nicoleta-Mircescu

Dr. Nicoleta Elena Dina (Mircescu), now researcher at INCDTIM

PhD Thesis: SERS applications – from molecules to microorganisms
Master Dissertation (2010): Detection of melamine at trace level by surface-enhanced Raman spectroscopy
Master of Science at BBU, specialization: Biophysics and Medical Physics

Publications
Zhou, H., D. Yang, N.P. Ivleva, N.E. Mircescu, R. Niessner, and C. Haisch, SERS detection of bacteria in water by in situ coating with Ag nanoparticles. Analytical Chemistry, 2014. 86(3): p. 1525-1533.

Szabó, L., K. Herman, N.E. Mircescu, I.S. Tódor, B.L. Simon, R.A. Boitor, N. Leopold, and V. Chiş, Surface-enhanced Raman scattering and DFT investigation of 1,5-diphenylcarbazide and its metal complexes with Ca(II), Mn(II), Fe(III) and Cu(II). Journal of Molecular Structure, 2014.

Mircescu, N.E., H. Zhou, N. Leopold, V. Chiş, N.P. Ivleva, R. Niessner, A. Wieser, and C. Haisch, Towards a receptor-free immobilization and SERS detection of urinary tract infections causative pathogens. Analytical and Bioanalytical Chemistry, 2014.

Yang, D., N.E. Mircescu, H. Zhou, N. Leopold, V. Chiş, M. Oltean, Y. Ying, and C. Haisch, DFT study and quantitative detection by surface-enhanced Raman scattering (SERS) of ethyl carbamate. Journal of Raman Spectroscopy, 2013. 44(11): p. 1491-1496.

Leopold, N., V. Chiş, N.E. Mircescu, O.T. Marişca, O.M. Buja, L.F. Leopold, C. Socaciu, C. Braicu, A. Irimie, and I. Berindan-Neagoe, One step synthesis of SERS active colloidal gold nanoparticles by reduction with polyethylene glycol. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2013. 436: p. 133-138.

Herman, K., N.E. Mircescu, L. Szabo, L.F. Leopold, V. Chiş, and N. Leopold, In Situ silver spot preparation and on-plate surface-enhanced Raman scattering detection in thin layer chromatography separation. Journal of Applied Spectroscopy, 2013. 80(2): p. 311-314.

Szabó, L., K. Herman, N.E. Mircescu, A. Fǎlǎmaş, L.F. Leopold, N. Leopold, C. Buzumurgǎ, and V. Chiş, SERS and DFT investigation of 1-(2-pyridylazo)-2-naphthol and its metal complexes with Al(III), Mn(II), Fe(III), Cu(II), Zn(II) and Pb(II). Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, 2012. 93: p. 266-273.

Mircescu, N.E., M. Oltean, V. Chis, and N. Leopold, FTIR, FT-Raman, SERS and DFT study on melamine. Vibrational Spectroscopy, 2012. 62: p. 165-171.

Mircescu, N.E., A. Varvescu, K. Herman, V. Chiş, and N. Leopold, Surface-enhanced Raman and DFT study on zidovudine. Spectroscopy, 2011. 26(4-5): p. 311-315.

Dr. Alia Colniță (Ungurean) – Scientific Researcher at National Institute for R&D of Isotopic and Molecular Technologies, Cluj-Napoca, Cluj
Master Dissertation (2011): A spectroscopic and theoretic study of the pharmacological relevant molecule of trimethoprim
PhD Thesis (2014): Optimization of physico-chemical parameters of gold epitaxial films and biomolecular systems for improving life quality
Research projects:
• High Contrast Gallium Mirrors (HCGaMs), funded by Applied Research, Technological Innovation and Entrepreneurship Fellowship Program ARTIE-POC, 2013 – project member.
• Rational design and generation of synthetic, short antimicrobial peptides. Linking structure to function, funded by UEFISCDI, 2011 – project member.
Publications:
• A. Ungurean, N. Leopold, L. David, V. Chiș, Vibrational spectroscopic and DFT study of trimethoprim, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 102 (2013) 52–58.
• A. Ungurean, M. Oltean, L. David, N. Leopold, J. P. Prates Ramalho, V. Chiș, Adsorption of sulfamethoxazole molecule on silver colloids: A joint SERS and DFT study, Journal of Molecular Structure 1073 (2014) 71-76.
• D. Marconi, A. Ungurean, The effect of substrate temperature on structural and morphological properties of Au/Si(1 1 1) thin films, Applied Surface Science 288 (2014) 166-171.
• A. I. G. Petrehele, D. Rusu, A. Ungurean, G. L. Turdean, E. Indrea, L. David, M. Rusu, Structural and physico-chemical study of new Keggin polyoxometalates with mixed addenda, Revista de Chimie 65 (2014) 265-271.
• A. Colniţã Ungurean, D. Marconi, I. Turcu, Fabrication of interdigitated electrodes using molecular beam epitaxy and optical lithography, Analytical Letters, 2015, DOI: 10.1080/00032719.2015.1033719.
• D. Marconi, A. Colniță, I. Turcu, The influence of deposition rate on the structure and morphology of gold/silicon(111) growth by molecular beam epitaxy, Analytical Letters, 2015, DOI: 10.1080/00032719.2015.1022823.
• D. Rusu, D. Mare, C. Berindean, A. Ungurean, O. Baban, L. David, Spectroscopic studies of lacunary polyoxotungstates Cerium (III) complexes based on α-B-[BiIIIW9O33]9- units, Studia UBB Physica 57(LVII) 1 (2012) 87 - 92.

Krisztian Herman, now PhD student at RWTH Aachen
Diploma Work (2011): In-situ laser-induced silver substrate synthesis and sequential SERS detection in a flow cell
BBU Fellowship (2011): Surface-Enhanced Raman (SERS) detection in Thin Layer Chromatography (TLC) separation
Master Dissertation (2013): A new detection approach for chromatographic separation by using surface-enhanced Raman scattering (SERS)

Publications
Szabó, L., K. Herman, N.E. Mircescu, I.S. Tódor, B.L. Simon, R.A. Boitor, N. Leopold, and V. Chiş, Surface-enhanced Raman scattering and DFT investigation of 1,5-diphenylcarbazide and its metal complexes with Ca(II), Mn(II), Fe(III) and Cu(II). Journal of Molecular Structure, 2014.

Szabó, L., K. Herman, N.E. Mircescu, A. Fălămaş, L.F. Leopold, N. Leopold, C. Buzumurgǎ, and V. Chiş, SERS and DFT investigation of 1-(2-pyridylazo)-2-naphthol and its metal complexes with Al(III), Mn(II), Fe(III), Cu(II), Zn(II) and Pb(II). Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, 2012. 93: p. 266-273.

Szabó, L., L.F. Leopold, B.I. Cozar, N. Leopold, K. Herman, and V. Chiş, SERS approach for Zn(II) detection in contaminated soil. Central European Journal of Chemistry, 2011. 9(3): p. 410-414.

Szabó, L., K. Herman, N. Leopold, C. Buzumurgă, and V. Chiş, Surface-enhanced Raman scattering and DFT investigation of Eriochrome Black T metal chelating compound. Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, 2011. 79(1): p. 226-231.

Mircescu, N.E., A. Varvescu, K. Herman, V. Chiş, and N. Leopold, Surface-enhanced Raman and DFT study on zidovudine. Spectroscopy, 2011. 26(4-5): p. 311-315.

Herman, K., L. Szabó, L.F. Leopold, V. Chiş, and N. Leopold, In situ laser-induced photochemical silver substrate synthesis and sequential SERS detection in a flow cell. Analytical and Bioanalytical Chemistry, 2011. 400(3): p. 815-820.

Andrada Varvescu, now employed at Continental Automotive, Timișoara

Licence Thesis: IR, Raman and SERS study on the pharmacologically relevant molecule zidovudine

Publications
N.E. Mircescu, A. Varvescu, V. Chiș, N. Leopold, Surface-enhanced Raman and DFT study of zidovudine, European Conference on the Spectroscopy of Biological Molecules (ECSBM) Coimbra, Portugal, 2011, Abstract 131

Mircescu, N.E., A. Varvescu, K. Herman, V. Chiş, and N. Leopold, Surface-enhanced Raman and DFT study on zidovudine. Spectroscopy, 2011. 26(4-5): p. 311-315