A5021997766- biodegradable polymer synthesis and properties
- Electrospun Nanofibers in Biomedical Applications
- Nanocomposite Films for Food Packaging
- Microplastics and Plastic Pollution
- Bone Tissue Engineering Materials
- Polymer crystallization and properties
- Silk-based biomaterials and applications
- Adsorption and biosorption for pollutant removal
- Polymer Nanocomposites and Properties
- Collagen: Extraction and Characterization
- Polymer Science and PVC
- Recycling and Waste Management Techniques
- Advanced Cellulose Research Studies
- Additive Manufacturing and 3D Printing Technologies
- Natural Fiber Reinforced Composites
- Bee Products Chemical Analysis
- Nanomaterials for catalytic reactions
- Advanced Photocatalysis Techniques
- Essential Oils and Antimicrobial Activity
- Wound Healing and Treatments
- Dyeing and Modifying Textile Fibers
- Advanced Polymer Synthesis and Characterization
- Conducting polymers and applications
- Polymer Nanocomposite Synthesis and Irradiation
- Hydrogels: synthesis, properties, applications
Universitatea Națională de Știință și Tehnologie Politehnica București
2019-2025
Universidade de Santiago de Compostela
2024
University of Bucharest
2019-2023
Institutul Naţional de Cercetare Dezvoltare pentru Chimie si Petrochimie
2015
Gheorghe Asachi Technical University of Iași
2015
Plasticized poly(lactic acid) (PLA) samples with embedded Cu-doped ZnO powder functionalized Ag nanoparticles composites were prepared by melt blending processing technique.The effect of ZnO:Cu/Ag on the properties plasticized PLA was investigated in terms structural (by Attenuated total reflectance -Fourier Transform Infrared -ATR-FT-IR, X-Ray Diffraction analysis -XRD) and morphological (using Scanning Electron Microscopy -SEM Transmission -TEM examination) modifications, thermal...
ABSTRACT This study was conducted as a first step in order to obtain green materials for food packaging by using an eco‐friendly bioplastic, polylactic acid (PLA), and nontoxic plasticizers. Different types of biocompatible plasticizers/lubricants, both obtained the laboratory, well commercial ones, were employed modulate physical mechanical properties PLA. Melt compounding means Brabender mixer led obtaining homogeneous materials. The incorporation PLA oligomer, l ‐lactide, poly(ethylene...
This review aims to streamline the approach assessing most used valorization methods for fruit and vegetable waste (FVW) that are eco-friendly, cost-effective, sustainable within a circular economy framework. Green processing technologies extraction of bioactive compounds from FVW, their applications, technico-economical assessment FVW’ biorefinery support highlighted. Important value-added products generated by FVW include compounds, pectin, protein isolates, such as soy, natural pigments...
In the latest years, researchers have been working to reduce dependence on petroleum based fuels and products due increase in environmental consciousness. This leads investigate environmentally friendly sustainable materials order replace existing ones. One of these polymeric is poly(3-hydroxybutyrate) (PHB) which a semi-crystalline, linear polymer belonging class polyhydroxyalkanoates. It fully biodegradable biocompatible, produced from renewable resources. Although having promising...
Bone regeneration is a claim challenge in addressing bone defects with large tissue deficits, that involves grafts to support the activity. In vitro biocompatibility of bacterial cellulose-modified polyhydroxyalkanoates (PHB/BC) scaffolds and its osteogenic potential critical-size mouse calvaria had been investigated. promotion mineralization were analyzed by biochemistry, histology/histomorphometry, X-ray analysis immunofluorescence for highlighting osteogenesis markers. summary, our...
Due to its valuable compounds, food waste has been gaining attention in different applications, such as life quality and environment. Combined with circular economy requirements, a valorization method for waste, especially banana was convert them into adsorbents advanced properties. The after thermal treatment, used high removal performances (100%) the of heavy metals, Cr, Cu, Pb, Zn, but their small particle size makes very hard recover reuse. For this reason, biopolymeric matrix...
This research aimed to obtain biocompatible and antimicrobial nanofibres based on concentrated collagen hydrolysate loaded with thyme or oregano essential oils as a natural alternative synthesis products. The were successfully incorporated using electrospinning process into resulting diameter from 471 nm 580 porous structure. presence of in nanofibre mats was confirmed by Attenuated Total Reflectance -Fourier Transform Infrared Spectroscopy (ATR-FTIR), Ultraviolet-visible spectroscopy...
In this study, lemon balm (Melissa officinalis L.) and dill (Anethum graveolens essential oils (EOs) were encapsulated into collagen hydrolysates extracted from bovine tendons rabbit skins, both mixed with chitosan (CS) by using the coaxial electrospinning technique for potential wound dressing applications. The morphology chemical composition of electrospun nanofibers investigated scanning electron microscopy (SEM) attenuated total reflectance Fourier transform infrared spectroscopy...
Several recipes based on PLA, bio-plasticizers, and active agents such as vitamin E cold-pressed rosehip seed oil encapsulated into chitosan by the emulsion method named here modified (CS-M) were elaborated melt compounding for food packaging applications. Resulted biocomposites have been investigated from point of view physical-mechanical, thermal, barrier, antimicrobial, antioxidant properties to select formulations with optimum features produce trays films The obtained results showed that...
Hydrolysed collagen obtained from bovine leather by-products were loaded with ginger essential oil and processed by the electrospinning technique for obtaining bioactive nanofibers. Particle size measurements of hydrolysed collagen, GC-MS analysis (EO), structural SEM examinations nanofibers collected on waxed paper, cotton, supports performed. Antioxidant antibacterial activities against Staphylococcus aureus Escherichia coli antifungal activity Candida albicans also determined. Data show...
Gelatin nanofibers are known as wound-healing biomaterials due to their high biocompatible, biodegradable, and non-antigenic properties compared synthetic-polymer-fabricated nanofibers. The influence of gamma radiation doses on the structure gelatin nanofiber dressings origin is little known, although it very important for production stable bioactive products. Different-origin gelatins were extracted from bovine donkey hides, rabbit skins, fish scales used fabrication through electrospinning...
This review summarizes recent data related to the management of marine plastic litter promote sustainable development. It discusses distribution and identification litter, assesses potential socio-economic environmental impacts these pollutants, explores their recovery strategies, from a circular economy perspective. The main findings indicate that majority originates land-based sources. Current technologies approaches for valorizing include mechanical chemical recycling, blockchain by...
Microplastics (MPs) and nanoplastics (NPs) both represent significant concerns in environmental sciences. This paper aims to develop a convenient efficient methodology for the detection measurement of MPs nanoparticles from surface seawater apply it water samples collected UNESCO site Venice its lagoon, more precisely Venice-Lido Port Inlet, Grand Canal under Rialto Bridge, Saint Marc basin. In this study, were analyzed through optical microscopy their relative abundance characterized based...
This paper focuses on identifying the human health risks as a result of presence polycyclic aromatic hydrocarbons (PAHs) in groundwater due to Bucharest landfill leakages. The main subjects were neighboring areas receptors. functional located near capital Romania was selected case study. Fluorene (Pf), phenanthrene (Phe), anthracene (Ant), fluoranthene (Flu) and pyrene (Pyr) detected using gas chromatography-tandem mass spectrometry (GC-MS/MS) analysis. for receptors via ingestion dermal...
The assessment of plastic pollution due to microplastics (MPs) and nanoparticles (NPs) was performed for the first time on water samples from four natural sites located near beaches Krk Island, Croatia, namely Melska, Črnika, rt Šilo, Zala. MP NP occurrence investigated collected during December 2022 June 2023, using bulk method followed by filtration stainless-steel sieves digestion process. Factor analysis Spearman’s correlation revealed that percentage fragments correlated well with...
Heavy metals represent a class of pollutants detected at concentrations lower than 10 ppm in different matrices that are intensively monitored due to having major impact on human health. Industrial activities including mining, agriculture, and transport, determine their presence environments. Corrosion phenomena various installations, volcanic eruptions, or atmospheric deposition the soil surface water can contaminate respective Atmospheric form suspended dust particles with diameters below...
New photocatalytic membranes based on polylactic acid (PLA)/TiO2 hybrid nanofibers deposited fiberglass supports were prepared and tested for the removal of ampicillin from aqueous solutions. The electrospinning technique was used to obtain that three types with different structures, resulting in distinct namely fabric plain woven-type membrane, mat-type one-fold edge-type membrane. results tests showed highest efficiency solution is obtained Although it has been shown rate degradation high,...