Gianina Popescu‐Pelin

ORCID: 0000-0003-0941-080X
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About
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Research Areas
  • Bone Tissue Engineering Materials
  • Dental materials and restorations
  • Organic Electronics and Photovoltaics
  • TiO2 Photocatalysis and Solar Cells
  • Laser Material Processing Techniques
  • Fullerene Chemistry and Applications
  • Laser-Ablation Synthesis of Nanoparticles
  • Diamond and Carbon-based Materials Research
  • Thin-Film Transistor Technologies
  • Conducting polymers and applications
  • biodegradable polymer synthesis and properties
  • Titanium Alloys Microstructure and Properties
  • Laser Applications in Dentistry and Medicine
  • Orthopaedic implants and arthroplasty
  • Corrosion Behavior and Inhibition
  • Additive Manufacturing and 3D Printing Technologies
  • Nanoparticle-Based Drug Delivery
  • ZnO doping and properties
  • Dental Implant Techniques and Outcomes
  • Copper-based nanomaterials and applications
  • Chalcogenide Semiconductor Thin Films
  • Advanced Photocatalysis Techniques
  • Additive Manufacturing Materials and Processes
  • Advanced Sensor and Energy Harvesting Materials
  • Advanced Surface Polishing Techniques

National Institute for Laser Plasma and Radiation Physics
2016-2025

University of Bucharest
2016

In this study, we report on the synthesis of L-Cysteine (L-Cys)-coated magnetic iron oxide nanoparticles (NPs) loaded with doxorubicin (Dox). The Fe3O4-L-Cys-Dox NPs were extensively characterized for their compositional and morpho-structural features using EDS, SAED, XRD, FTIR TEM. XPS, Mӧssbauer spectroscopy SQUID measurements also performed to determine electronic properties nanoparticles. Moreover, by means a FO-SPR sensor, evidenced confirmed binding Dox L-Cys. Biological tests mouse...

10.3390/nano13040621 article EN cc-by Nanomaterials 2023-02-04

Novel biomaterials with promising bone regeneration potential, derived from rich, renewable, and cheap sources, are reported. Thus, thin films were synthesized marine-derived (i.e., fish bones seashells) hydroxyapatite (MdHA) by pulsed laser deposition (PLD) technique. Besides the physical-chemical mechanical investigations, deposited also evaluated in vitro using dedicated cytocompatibility antimicrobial assays. The morphological examination of MdHA revealed fabrication rough surfaces,...

10.3390/pharmaceutics15041294 article EN cc-by Pharmaceutics 2023-04-20

This study investigates the microstructural and corrosion properties of pure magnesium (Mg) Mg-1.8Ca (at.%) alloy in both bulk thin-film forms. Microstructure investigations showed that addition calcium (Ca) to Mg resulted significant differences microstructures. The exhibited coarse elongated α-Mg grains, which were refined by Ca addition, together with formation a Mg2Ca intermetallic phase distributed throughout microstructure. In contrast, alloys displayed single-phase microstructure...

10.3390/ma18071416 article EN Materials 2025-03-23

Today, flexible and lightweight electronics are regarded as a viable alternative to conventional rigid heavy devices in various application fields. In the optoelectronic area, organic semiconductors offer advantages such high absorption coefficients, low processing temperatures, mechanical flexibility compatibility with plastic substrates, while inorganic nanostructures provide good electronic properties thermal stability. Thus, composite films enhanced can be achieved by inserting within...

10.3390/jcs9040172 article EN Journal of Composites Science 2025-04-01

Metamaterials represent artificially structured materials that exhibit unusual properties, such as a negative refractive index, permeability and permittivity, cloaking by Poisson ratios optical effects, etc., which are inaccessible in natural materials. According to recent developments, novel devices tools based on metamaterials attracting great interest they offer improved performance, functionality, sensitivity, biocompatibility, complex structures, design freedom. Leveraging numerical...

10.3390/cryst15040374 article EN cc-by Crystals 2025-04-18

Our study focused on the long-term degradation under simulated conditions of coatings based different compositions polycaprolactone-polyethylene glycol blends (PCL-blend-PEG), fabricated for titanium implants by a dip-coating technique. The behavior polymeric was evaluated polymer mass loss measurements PCL-blend-PEG during immersion in SBF up to 16 weeks and correlated with those yielded from electrochemical experiments. results are thoroughly supported extensive compositional surface...

10.3390/polym12030717 article EN Polymers 2020-03-24

Bovine hydroxyapatite (BHA) and BHA blended with clinoptilolite (CLIN) alumina (Al2O3) coatings were synthesized using pulsed laser deposition (PLD) a KrF* excimer source (λ = 248 nm, τFWHM ≤ 25 ns). Physical–chemical characteristics the potential use of for preventing bacteria adhesion biofilm formation investigated. Optimized PLD conditions selected rough morphologies, suitable good cell implant anchorage replication target composition. The crystallinity composite was progressively...

10.1021/acssuschemeng.9b05031 article EN ACS Sustainable Chemistry & Engineering 2020-02-14

Many of the significant mechanical properties stainless steel, including ultimate tensile strength, yield strength and hardness, ductile–brittle transition temperature, susceptibility to environmental embrittlement, can be improved by grain size refinement. Hall-Petch relation identifies that improvement quantified in a constitutive relation. In this study, new mathematical model calculate number grains their average inside single printed layer via laser melting deposition (LMD) process is...

10.1016/j.rinp.2021.103880 article EN cc-by Results in Physics 2021-01-26

Gold nanoparticles (~10 nm) were deposited on titanium dioxide (~21 and the material obtained was characterized using IR, UV-Vis, N

10.3390/nano11061605 article EN cc-by Nanomaterials 2021-06-18

Active semiconductor layers of TiO2 were synthesized via pulsed laser deposition in He, N2, O2, or Ar to manufacture DSSC structures. As-prepared nanostructured coatings grown on FTO photosensitized by the natural absorption N719 (Ruthenium 535-bis TBA) dye fabricate photovoltaic photoanode nanostructures with increased adsorption areas photosensitizer (a combination voluminous media) under different conditions. Systematic SEM, AFM, and XRD investigations carried out study morphological...

10.3390/coatings12030293 article EN Coatings 2022-02-22
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