Radmila Panajotović

Dr Radmila Panajotović
Research Associate

Laboratory for 2D materials

Room 241
Office phone: +381(11) 3713114

Center for Solid State Physics and New Materials,
Institute of Physics Belgrade, University of Belgrade,
Pregrevica 118, 11000 Belgrade, Serbia

radmila@ipb.ac.rs

Research field

  • 3D printing of organic-2D-material composites for medical applications
  • Application of 2D-materials and their heterostructures with biomolecules in tissue engineering
  • Self-assembling properties of biomolecules
  • Nano-particles adhesion to 2D-materials and transport through biomolecular films
  • Thin condensed films on various conducting and insulating surfaces
  • Molecular adsorption and electric properties related to alternative energy sources using biomolecules and 2D-materials
  • Radiation damage from charged particles

Education

B. Sci.; M.Sci, and PhD (1999) in Experimental Atomic and Molecular Physics, Faculty of Physics,
University of Belgrade, Yugoslavia

Additional training – non-formal

  • CEDAM (2001) interactive courses on Teaching at University at the Australian National University,
    Canberra, Australia
  • Postgraduate training (stage (fr.); 1996-97) at the University Pierre and Marie Curie, Paris VI, France

Employment

July 2011. – present         Researcher, Graphene Lab, Centre for solid state physics and new materials, Institute of Physics, Belgrade, Serbia

Oct. 2007. – Oct. 2010.      Post-doctoral Research Fellow in the Department of Physics and Astronomy, Faculty of Science, The Open University, Milton Keynes, UK

Mar. 2004. - Feb. 2007.    Post-doctoral Fellow in the Department of nuclear medicine and radiobiology, University of Sherbrooke, Sherbrooke (Quebec), Canada

Nov. 1999. - Nov. 2003.      Post-doctoral Fellow in the Atomic and Molecular Physics Laboratory, School of Physical Sciences and Engineering, Australian National University, Canberra, Australia

Funding grants and Awards

SAIGE - Proof-of-Concept project - „Electric field- and UV light-assisted polymerization of 3D- printed dental PMMA composite with graphene and hexagonal boron nitride“.„

2D Material-based Tiled Network Films for Heritage Protection-2DHeriPro“ (work package leader - „2D materials – artefacts compatibility investigation (WP3)).

CERIC-ERIC research grant – title “Characterization of 2D-material based composite thin films as active elements for sensing Pb and As pollution in water”, project number: 20217047, September 2021

SIT (Scholar in Training) travel grant for the contributed paper (also chairing a session) at the 2010 Radiation Research Society Annual Conference in Maui, Hawaii, USA

COST-ECCL Collaborative Visit Grant (March 2009) – for collaboration with the Laboratory for Supramolecular systems in the University of Bielefeld, Germany

Marie Curie International Reintegration Grant (competition April 2007) - 100 000 EUR over a period of four years

SIT (Scholar in Training) travel grant for the oral presentation of the contributed paper at the 2006

Radiation Research Society Annual Conference in Philadelphia, USA

Research Equipment Fund grant funding – RIEF (with Professor Stephen Buckman, Dr Maarten Hoogerland and Dr Julian Lower) for the year 2001 (AUD 92 000)

Granted a stipend from the French Government (former CIES organization) for the eight months training in the Laboratory for the Dynamics of Ions and Molecules (DIAM), University Pierre et Marie Currie, Jussieu, Paris, France (1996-1997).

The “Best Master's Degree in Physics Award of the Year 1993” given by the Institute of Physics, Belgrade, Serbia, Yugoslavia

Membership in professional societies

Radiation Research Society of Serbia

Research experience

Scanning Probe Microscopy - Kelvin Probe Atomic Force Microscopy of biomolecular thin films supported on dielectric and conductive substrates (graphene, SiO2, gold, CaF2, sapphire, mica, etc.) in ambient conditions and in Ultra High Vacuum.

FT-IR and Raman spectroscopy - Transmission Fourier Transform Infra-red spectroscopy in the midspectral range of thin biomolecular films.

Electron – Biomolecule Spectroscopy (on targets in condensed phase) - X-ray photoelectron spectroscopy of thin condensed molecular films

High-Resolution Electron Energy-Loss (HREEL) measurements of low-energy electron scattering on condensed molecules of biological interest: DNA and its constituents (bases and oligonucleotides

Electron – Molecule Spectroscopy (gas phase) - Measurements of absolute elastic and inelastic cross sections and excitation functions (energy dependent cross sections) for electron scattering from molecules and measurements of temporary negative ions.

Multiple coincidence measurements – electrons ejected from molecules (photo-ionization by synchrotron radiation) are detected (Time-of-Flight measurements) in coincidence with molecular ions, below or above dissociation energy limit.

Summary of technical expertise

Ultra-high vacuum technique and instrumentation; operation at synchrotron facilities (XPS(ESCA) of surfaces.

Atomic Force Microscopy measurements.

Design, implementation and operation of electron - optics systems for the manipulation of charged particles (electrostatic energy analysers, ToF tubes, pulsed electron-beam source).

Use of FT-IR and Raman spectroscopy instrumentation for targets in condensed phase.

Use of quadrupole mass spectrometers (Masstorr) for monitoring residual gases content in vacuum.

Production of thin films of biomolecules (deposition by evaporation and sublimation from the gas
phase, and from the solution – lyophilization;

Langmuir-Blodget thin film preparation; extraction, purification and manipulation of plasmid DNA

Use of data acquisition instrumentation (amplifiers, discriminators, counting electronics and coincidence lines) and use of various commercial software for electron optics design and testing,
data acquisition, data analysis and presentation (Gwyddion, CASA, EIS, Material Studio, SIMION, Lab View, C, COBOLD, Origin, Microsoft Office, etc)

Theoretical modelling using the Accelrys Material Studio package (DMol3, VAMP, etc.)

Teaching experience

Mentoring PhD students

Tutoring students in the laboratory and problem-solving sessions

Lecture for post-graduate students – “Killer- electrons – how they hurt our body and our machines”

Lectures for the Residential School third year students - “Dielectric materials” - “ESR and NMR – theory and application”

Interactive lecture/workshop – “Presentation and dissemination of experimental data – how to write a TMA”

Preparation of examination material.

Marking - Tutor Marked Assignments (TMA)

Co-supervising Honours and Ph.D students

Additional experience

Remote evaluator of European Commission grant proposals (2017 - present)

Management Committee Member in COST Action (European scientific cooperation activity) AFM for BioNano Medicine.

Organizing international scientific conferences (Secretary General)

Organizing seminars and meetings within the research group and the Department.

Referee for Journal of Physical Chemistry, Physical Chemistry Chemical Physics, New Journal of Chemistry, Metals, 2D materials,Nanomaterials, etc.

Selected publications, invited talks and conference contributions

1. Jasna Vujin; Weixin Huang; Jovan Ciganović; Sylwia Ptasinska; Radmila Panajotović, “Direct Probing of Water Adsorption on Liquid-Phase Exfoliated WS2 Films Formed by the Langmuir– Schaefer Technique”, Langmuir 2023-06-13 | DOI: 10.1021/acs.langmuir.3c001072. Simonovic, J.; Toljic, B.; Lazarevic, M.; Markovic, M.M.; Peric, M.; Vujin, J.; Panajotovic, R.; Milasin, J. “The Effect of Liquid-Phase Exfoliated Graphene Film on Neuro differentiation of Stem Cells from Apical Papilla”, Nanomaterials 2022 | DOI: 10.3390/nano12183116

3. Szabo, T, Panajotovic, R, Vujin, J, Tomasevic-Ilic, T, Bagdanavictute, I, Urbonate, G, Cseko, R, Hemadi, K, Varo, G, Nagy, L “Photosynthetic Reaction-Center/Graphene Biohybrid for Optoelectronics”, J. Nanosci.Nanotech. (2021) 21 (4) 2342-2350 DOI: 10.1166/jnn.2021.18976

4. R. Panajotović, J. Vujin, M. Vorokhta, I. Khalakhan, I. Milošević, W. Huang, and S. Ptasinska,“Effects of ambient humidity on composite graphene-thymine and graphene-lipid thin films as a platform for molecular sensing”, Book of Abstracts, 20th International Conferences on Nanosciences and Nanotechnologies, NN23, 4-7. July 2023, Thessaloniki, Greece, p.76; Published online: Editors: Prof. S. Logothetidis, Dr. C. Gravalidis, K. Meliopoulou, P. Rampota, S. Ploumistou

5. Marinković, B.P.; Panajotović, R.; Šević, D.; McEachran, R.P.; García, G.; Blanco, F.; Brunger, M.J. “Experimental and theoretical cross sections for elastic electron scattering from zinc”, Phys Rev A, (2019) 99 (6), Article Number: 062702, DOI: 10.1103/PhysRevA.99.062702

6. Simonović, J.; Toljić, B.; Rašković, B.; Jovanović, V.; Lazarević, M.; Milošević, M.; Nikolić, N.; Panajotović, R.; Milašin, J. , “Differentiation of stem cells from apical papilla into neural lineage using graphene dispersion and single walled carbon nanotubes”, J. Biomed. Mat. Res. Part A (2018) 106 (10) 2653- 2661, DOI: 10.1002/jbm.a.36461

7. Aleksandar Matković, Ivana Milošević, Marijana Milićević, Tijana Tomašević-Ilić, Jelena Pešić, Milenko Musić, Marko Spasenović, Djordje Jovanović, Borislav Vasić, Christopher Deeks, Radmila Panajotović, Milivoj R Belić and Radoš Gajić, „Enhanced sheet conductivity of Langmuir–Blodgett assembled graphene thin films by chemical doping“, 2D Mater. 3 (2016) 015002

8. Radmila Panajotovć, V. Lyamayev, S. Ptasinska, K. Prince, „Low-energy electron damage of DPPC molecules – a NEXAFS study“, Radiation & Applications, 1 (1) 2016, 46-50

9. Lange, J. Matsumoto, A. Setiawan, R. Panajotovic, J. Harrison, J. C. Lower, D. S.Neman, S. Mondal, and S. J. Buckman, “Angle-resolving time-of-flight electronspectrometer for nearthreshold precision measurements of differential cross sections ofelectron-impact excitation of atoms and molecules” - Rev. Sci. Instr. 79 (4) (2008) 043105

10. Radmila Panajotović, ’Radiation effects of slow electrons on biomolecules – where the experiment and theory meet’ Proceedings of 2nd International Conference “Theoretical Approaches to BioInformation Systems” TABIS2013), Editor: Institute of Physics, Belgrade, Serbia, 2014, p. 153-165 ISBN 978-86-82441-40-3

11. Radmila Panajotović, Marc Michaud and Léon Sanche, “Cross sections for low-energy electron scattering from adenine in the condensed phase” Phys. Chem. Chem. Phys. 9 (2007) 138 (“hot article”)

12. Radmila Panajotovic, Frédéric Martin, Pierre Cloutier, Darel Hunting, and Léon Sanche, "Effective Cross Sections for Single Strand Break Production in Plasmid DNA by to 4.7 eV electrons", Radiation Research, 165 (2006) 452-459

13. Radmila Panajotović and Jasna Vujin, “Modifications of Lipid/2D-Material Heterostructures by SEM”, Contributed papers & Abstracts of Invited Lectures, Progress Reports and Workshop Lectures, SPIG 2016, 29. August - 2. September, 2016, Belgrade, Serbia, p182

14. R. Panajotović, “Molecular and Atomic Nanoclusters on self-assembled supported lipid multilayer structures”, Characterisation of Nanomaterials and Nanomedicine, Nanobiotechnology enlargement workshop, Joint Research Center, European Research Commission, November 2015, Ispra, Italy