Septimiu Tripon

ORCID: 0000-0003-3815-1309
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Research Areas
  • Nanoparticle-Based Drug Delivery
  • Graphene and Nanomaterials Applications
  • Advanced Drug Delivery Systems
  • Supercapacitor Materials and Fabrication
  • Nanoparticles: synthesis and applications
  • biodegradable polymer synthesis and properties
  • TiO2 Photocatalysis and Solar Cells
  • Polymer Surface Interaction Studies
  • Carbon and Quantum Dots Applications
  • Conducting polymers and applications
  • Advancements in Battery Materials
  • Geochemistry and Elemental Analysis
  • RNA Interference and Gene Delivery
  • Iron oxide chemistry and applications
  • Laser-Ablation Synthesis of Nanoparticles
  • Sinusitis and nasal conditions
  • Sperm and Testicular Function
  • Wound Healing and Treatments
  • Characterization and Applications of Magnetic Nanoparticles
  • Polysaccharides and Plant Cell Walls
  • Plant Surface Properties and Treatments
  • Ear Surgery and Otitis Media
  • Botany, Ecology, and Taxonomy Studies
  • Seed Germination and Physiology
  • Planarian Biology and Electrostimulation

National Institute for Research and Development of Isotopic and Molecular Technologies
2019-2025

Babeș-Bolyai University
2016-2025

Chronic wounds are a major health problem, affecting millions of people worldwide. Resistance to treatment is frequently observed, requiring an extension the wound healing time, and improper care can lead more problems in patients. Smart dressings that provide controlled drug release significantly improve process. In this paper, alginate beads with white lily leaf extract were prepared tested for chronic healing. The obtained characterized by scanning electron microscopy (SEM) Fourier...

10.3390/gels11010022 article EN cc-by Gels 2025-01-01

Our research aims to determine the optical properties of binary composites based on TiO2 and SiO2 oxides combined with additional metal such as CuO SrO. The inclusion SrO together nanoparticles is driven by their ability introduce intermediate energy levels in forbidden band, acting electron traps that reduce recombination rate increase efficiency solar conversion. Morphological structural characterization materials was carried out evidence homogeneity final composite well high specific...

10.3390/cryst15040343 article EN cc-by Crystals 2025-04-05

This study aimed at unprecedented physical and chemical evaluation of the 'green plastics' polyhydroxyalkanoates (PHAs), in an extremely halotolerant Halomonas elongata strain 2FF under high-salt concentration.The investigated bacterial was isolated from surface water hypersaline Fără Fund Lake. The 16S rRNA gene sequence phylogeny phenotypic analysis indicated that isolate belonged to H. elongata. PHA inclusions were observed by Sudan Black B, Nile Red staining, transmission electron...

10.1111/jam.14029 article EN Journal of Applied Microbiology 2018-06-21

The presence of SARS-CoV-2 in the middle ear reveals etiopathogenesis otitis media COVID-19, as well an epidemiological risk during otologic examination and surgical procedures COVID-19 patients. study included 8 deceased patients with COVID-19. Tissue samples from were subjected to virology, histopathology, scanning (SEM) transmission (TEM) electron microscopy investigation. Ethmoidal mucosa processed for virology analyses. qPCR resulted positive 75% nasal 50% samples. Ct values showed...

10.3390/diagnostics11091535 article EN cc-by Diagnostics 2021-08-25

Since semiconductor-based photocatalysis uses solar energy as a free and sustainable source inoffensive photocatalysts, it has been found to be promising green approach eliminating dyes, antibiotics, other pharmaceuticals from water that contaminated. In this study, distinctive magnetic separable Fe3O4-ZnO:V photocatalyst is reported. ZnO:V semiconductors have produced by seed-assisted growth over preformed magnetite develop nanocomposites. The results indicated nanocomposites with the...

10.3390/inorganics12040119 article EN cc-by Inorganics 2024-04-17

In this study, we report the successful synthesis of monometallic Pt(2 wt.%)/MIL-101(Cr) and bimetallic Au(1 wt.%)-Pt(1 catalysts with low dimension MeNPs by double-solvent (DS) method. The were characterized powder X-ray diffraction (PXRD), N2 sorption analysis (BET), thermogravimetric (TGA), photoelectron spectroscopy (XPS), temperature-programmed reduction (TPR), transmission electron microscopy (TEM). characterization results demonstrated presence well-dispersed Pt Au-Pt nanoparticles...

10.1016/j.surfin.2024.104729 article EN cc-by-nc Surfaces and Interfaces 2024-07-06

Natural-based and synthetic tissue adhesives have attracted extensive attention in the last two decades for their ability to stabilize uncontrolled bleeding instances. However; these materials present several drawbacks during use that scientists tried minimize order optimize usage. This study comprises development of a novel wound dressing, combining excellent properties polylactic acid (PLA) non-woven textile, as substrate, obtained through electrospinning, cyanoacrylate-based (CA)...

10.3390/ma17174318 article EN Materials 2024-08-30

Florfenicol (FF) is a widely used antimicrobial in veterinary medicine because of its broad activity, although it has certain limitations and raises concerns about the development resistance genes. These highlight need to explore novel drug with controlled release systems enhance therapeutic efficacy FF, while minimizing potential for development. This study introduces an innovative approach design, synthesis, evaluation lignin-poly(lactic-co-glycolic) acid (PLGA)-FF nanoparticles. By...

10.1007/s11259-024-10595-7 article EN cc-by Veterinary Research Communications 2024-11-18

(1) Background: Chronic rhinosinusitis with nasal polyps (CRSwNP) is one of the most studied rhinological disorders. Modifications respiratory mucosa in COVID-19 patients are so far unknown. This paper presents a comparative morphological characterization CRSwNP versus and tissue interleukin (IL)-33 concentration. (2) Methods: We analyzed samples through histopathology, scanning transmission electron microscopy performed proteomic determination IL-33. (3) Results: Histopathologically,...

10.3390/jcm10184110 article EN Journal of Clinical Medicine 2021-09-12

Morphological and anatomical traits of the Vinca leaf were examined using microscopy techniques. Outdoor minor V. herbacea plants greenhouse cultivated major var. variegata had interspecific variations. All species leaves are hypostomatic. However, except for leaf, few stomata also present on upper epidermis. highest stomatal index lowest, while distribution trichomes epidermis was species-specific. Differentiated palisade spongy parenchyma tissues in all species' leaves. a more organized...

10.3390/plants10040622 article EN cc-by Plants 2021-03-24

Understanding the effect of different electric potentials upon preferential formation biofilms inside microfluidic devices could represent a step forward in comprehending mechanisms that govern biofilm and growth. 3D printed were used to investigate influence dielectrophoretic forces on growth Staphylococcus aureus ATCC 25923 biofilms. Bacterial suspensions 2.5 McF pushed through channels while simultaneously applying various potential differences between 10 60 V. The overall field...

10.3390/app13010060 article EN cc-by Applied Sciences 2022-12-21

Magnetite nanoparticles and clusters of have been Increasing scientific interest in the past decades. In order to prepare that are stable suspension, different coatings used. Phosphates phosphonates a preferred anchoring group for coating magnetite nanomaterials. However, poly(vinylphosphonates) rarely used as agent any nanoparticles. Here, poly(methylvinylphosphonate) other substituted polyvinylphosphonates described new clusters. They show great stability aqueous suspension. This is also...

10.3390/magnetochemistry8080079 article EN cc-by Magnetochemistry 2022-07-27

Adaptive strategies responsible for heavy metal tolerance were explored in the extremely halophilic archaeon Halomicrobium mukohataei DSM 12286. The tested strain was seemingly able to overcome silver-induced oxidative stress (assessed by malondialdehyde quantification, catalase assay and total antioxidant capacity measurement) mainly through non-enzymatic antioxidants. Energy dispersive spectrometry analysis illustrated presence of colloidal silver Hmc. cultures exposed AgNO3. Bright-field...

10.1093/femsle/fnz231 article EN FEMS Microbiology Letters 2019-09-01

A comprehensive Raman scattering-based characterization of a full bio-based polyamide loaded with graphene nanoplatelets or layered double hydroxides (LDH) was assessed. The potential the spectroscopy used to reveal several particularities nanocomposite structures induced by thermal treatment. Thus, complete morpho-structural picture obtained in combination scanning electron microscopy (SEM) analysis neat and nanocomposites exposed at different conditions (room temperature, 80 °C, 145 °C)....

10.3390/chemosensors11010028 article EN cc-by Chemosensors 2022-12-28
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