Bogdan Ştefan Vasile
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View article: Corrigendum to “Antimicrobial chitosan-silk fibroin scaffolds with green-synthesized metal oxide nanoparticles” [J. Drug Deliv. Sci. Technol. 114 Part A (2025) 107463]
Corrigendum to “Antimicrobial chitosan-silk fibroin scaffolds with green-synthesized metal oxide nanoparticles” [J. Drug Deliv. Sci. Technol. 114 Part A (2025) 107463] Open
View article: Cellulose–Silver and Cellulose–Gold Bioactive Nanocomposites Obtained Using SCOBY Purified Membranes
Cellulose–Silver and Cellulose–Gold Bioactive Nanocomposites Obtained Using SCOBY Purified Membranes Open
The green synthesis of bioactive nanomaterials is becoming more attractive in various fields like biotechnology, pharmaceuticals, cosmeceuticals, etc. In this study, bacterial cellulose-silver and bacterial cellulose-gold bionanocomposites…
View article: Green-Synthesized MgO Nanoparticles: Structural Insights and Antimicrobial Applications
Green-Synthesized MgO Nanoparticles: Structural Insights and Antimicrobial Applications Open
Magnesium oxide nanoparticles, or MgO NPs, have garnered a lot of attention because of their exceptional stability, biocompatibility, and antibacterial properties. However, many of the green production methods used today have limited mecha…
View article: Direct High-Power Microwave Interaction with a Zinc Wire: A Novel Route to Crystalline ZnO Nanopowders Synthesis
Direct High-Power Microwave Interaction with a Zinc Wire: A Novel Route to Crystalline ZnO Nanopowders Synthesis Open
We present a novel approach for the synthesis of crystalline zinc oxide (ZnO) nanopowders based on the direct interaction of high-power microwave radiation with a zinc wire in atmospheric air. The process utilizes a localized microwave-ind…
View article: Orange Peel-Mediated Green Synthesis of ZnO and CuO Nanoparticles: Evaluation for Antimicrobial Activity and Biocompatibility in Tissue Engineering
Orange Peel-Mediated Green Synthesis of ZnO and CuO Nanoparticles: Evaluation for Antimicrobial Activity and Biocompatibility in Tissue Engineering Open
The production of green nanomaterials has drawn considerable interest lately in the fields of tissue engineering and biomedicine. Thus, the environmentally friendly synthesis of ZnO and CuO nanoparticles (NPs) utilizing orange peel extract…
View article: Antimicrobial chitosan-silk fibroin scaffolds with green-synthesized metal oxide nanoparticles
Antimicrobial chitosan-silk fibroin scaffolds with green-synthesized metal oxide nanoparticles Open
View article: Grain size effects in BaTi0.90Hf0.10O3 ceramics with phase coexistence: the influence of nanostructuring and of the internal stress on the functional properties
Grain size effects in BaTi0.90Hf0.10O3 ceramics with phase coexistence: the influence of nanostructuring and of the internal stress on the functional properties Open
The present study is focused on describing the influence of the sintering method (fast field-assisted Spark Plasma Sintering vs. conventional sintering) on the functional properties of BaTi0.90Hf0.10O3 ceramics with polymorph superposition…
View article: The Effect of Surface Roughness and Hydroxyapatite Coating on the Biocompatibility of Co-Cr Alloys for Medical Implants
The Effect of Surface Roughness and Hydroxyapatite Coating on the Biocompatibility of Co-Cr Alloys for Medical Implants Open
Background Cobalt-chromium (Co-Cr) alloys are extensively used in medical implants for their strength and corrosion resistance. However, improving their biocompatibility is essential to ensure better integration and performance in biologic…
View article: Microwave-Assisted Hydrothermal Synthesis of Cu/Sr-Doped Hydroxyapatite with Prospective Applications for Bone Tissue Engineering
Microwave-Assisted Hydrothermal Synthesis of Cu/Sr-Doped Hydroxyapatite with Prospective Applications for Bone Tissue Engineering Open
One of the main challenges in hydroxyapatite research is to develop cost-effective synthesis methods that consistently produce materials closely resembling natural bone, while maintaining high biocompatibility, phase purity, and mechanical…
View article: New 3D Spiral Microfluidic Platform Tested for Fe3O4@SA Nanoparticle Synthesis
New 3D Spiral Microfluidic Platform Tested for Fe3O4@SA Nanoparticle Synthesis Open
Due to the need for reproducible, scalable, and environmentally friendly nanomaterial synthesis methods, an increasing amount of scientific interest revolves around microfluidic technologies. In this context, the present paper proposes a n…
View article: Photosensitizer activity of phenothiazinium derivatives against melanoma cells and DFT insights into singlet oxygen generation
Photosensitizer activity of phenothiazinium derivatives against melanoma cells and DFT insights into singlet oxygen generation Open
The present study describes three novel phenothiazinium dyes with auxochrome variation designed to modulate their optical and biological properties. The synthesis of dyes 1-3 was based on the nucleophilic substitution of the phenothiaziniu…
View article: NiCo2O4 nanoparticles for enhancing voltammetric determination of sodium diclofenac in aqueous solutions
NiCo2O4 nanoparticles for enhancing voltammetric determination of sodium diclofenac in aqueous solutions Open
View article: Microfluidic Synthesis of Magnetic Silica Aerogels for Efficient Pesticide Removal from Water
Microfluidic Synthesis of Magnetic Silica Aerogels for Efficient Pesticide Removal from Water Open
Aerogels have gained much interest in the last decades due to their specific properties, such as high porosity, high surface area, and low density, which have caused them to be used in multiple and varied fields. As the applicability of ae…
View article: DMPC-Based Liposomal Vesicles for Encapsulation and Controlled Release of NMN and Matrigel in Sarcopenia Therapy
DMPC-Based Liposomal Vesicles for Encapsulation and Controlled Release of NMN and Matrigel in Sarcopenia Therapy Open
Accurate diagnosis of diseases in patients is crucial, particularly in older individuals, where the focus is often placed primarily on advanced age and its associated symptoms. However, advancements in technology and research have revealed…
View article: Oxygen-carrying proteins employed in blood substitute candidates: differences in interactions with a model antioxidant molecule
Oxygen-carrying proteins employed in blood substitute candidates: differences in interactions with a model antioxidant molecule Open
Glutaraldehyde-polymerized hemoglobin (poly-Hb) has long been explored as a key candidate for blood substitute compositions, to be used in transfusions in order to supplement the oxygen-carrying capacity following severe blood loss. Bovine…
View article: Composition-dependent structural, microstructural and functional characteristics of fine-grained BaTi1-xHfxO3 ceramics consolidated by Spark Plasma Sintering
Composition-dependent structural, microstructural and functional characteristics of fine-grained BaTi1-xHfxO3 ceramics consolidated by Spark Plasma Sintering Open
View article: Nanostructured Coatings for Spinal Fixation Screws: A Dual-Function Approach Against Biofilm Formation and Implant Failure
Nanostructured Coatings for Spinal Fixation Screws: A Dual-Function Approach Against Biofilm Formation and Implant Failure Open
Implant-associated infections represent challenging complications following orthopedic surgeries, with spinal fixation procedures being particularly linked with increased risks. Thus, urgent research is required to develop enhanced solutio…
View article: Antimicrobial Coatings Based on Hybrid Iron Oxide Nanoparticles
Antimicrobial Coatings Based on Hybrid Iron Oxide Nanoparticles Open
This study presents the preparation of hybrid iron oxide nanocomposites through a two-step process combining microfluidic-assisted synthesis and post-synthetic surface modification. Fe3O4 nanoparticles were synthesized and simultaneously f…
View article: Bioactive Hydroxyapatite–Carboplatin–Quercetin Coatings for Enhanced Osteointegration and Antitumoral Protection in Hip Endoprostheses
Bioactive Hydroxyapatite–Carboplatin–Quercetin Coatings for Enhanced Osteointegration and Antitumoral Protection in Hip Endoprostheses Open
The recurrence of bone cancer poses severe complications, particularly after orthopedic surgery, necessitating advanced biomaterials with dual functionality. This study develops nanostructured coatings composed of hydroxyapatite, carboplat…
View article: Dipalmitoylphosphatidylcholine Lipid Vesicles for Delivering HMB, NMN, and L-Leucine in Sarcopenia Therapy
Dipalmitoylphosphatidylcholine Lipid Vesicles for Delivering HMB, NMN, and L-Leucine in Sarcopenia Therapy Open
Sarcopenia, characterized by the degeneration of skeletal muscle tissue, has emerged as a significant concern in recent years. This increased awareness stems from advances in research focusing on elderly patients, which have revealed corre…
View article: Synthesis of the Titanium Oxides Using a New Microwave Discharge Method
Synthesis of the Titanium Oxides Using a New Microwave Discharge Method Open
This research highlights the different behaviors of titanium (Ti) wires under the action of 500 W and 800 W microwave power levels. Following the interaction between microwaves and a titanium wire placed in the node of the (TM011—transvers…
View article: Experimental Study Regarding the Synthesis of Iron Oxide Nanoparticles by Laser Pyrolysis Using Ethanol as Sensitizer; Morpho-Structural Alterations Using Thermal Treatments on the Synthesized Nanoparticles
Experimental Study Regarding the Synthesis of Iron Oxide Nanoparticles by Laser Pyrolysis Using Ethanol as Sensitizer; Morpho-Structural Alterations Using Thermal Treatments on the Synthesized Nanoparticles Open
The laser pyrolysis technique was used in the synthesis of magnetic iron oxide nanopowders in the presence of ethanol vapors as a sensitizer. This technique uses the energy from a continuous-wave CO2 laser operating at a 9.25 μm wavelength…
View article: Aspartic acid functionalized magnetic nanoparticles for enhanced internalization in tumoral cell
Aspartic acid functionalized magnetic nanoparticles for enhanced internalization in tumoral cell Open
The antitumoral activity, and in general, the biological activity is strongly altered by the low uptake of the active agents within the targeted cells. Therefore, lots of efforts have been made to ensure better cellular uptake by using spe…
View article: Rare α-MoO <sub>3</sub> –K <sub>2</sub> Mo <sub>4</sub> O <sub>13</sub> hybrid structures obtained <i>via</i> a single molecular precursor approach
Rare α-MoO <sub>3</sub> –K <sub>2</sub> Mo <sub>4</sub> O <sub>13</sub> hybrid structures obtained <i>via</i> a single molecular precursor approach Open
Rare K/Mo-based hybrid structures were obtained through a new approach, employing the K 4 [Mo IV (CN) 8 ] precursor, their capacitive behavior being investigated through cyclic voltammetry (CV) and galvanostatic charge–discharge (GCD) test…
View article: Zinc Oxide-Loaded Recycled PET Nanofibers for Applications in Healthcare and Biomedical Devices
Zinc Oxide-Loaded Recycled PET Nanofibers for Applications in Healthcare and Biomedical Devices Open
Polyethylene terephthalate (PET) is a widely utilized synthetic polymer, favored in various applications for its desirable physicochemical characteristics and widespread accessibility. However, its extensive utilization, coupled with impro…
View article: Chitosan-polylactic acid composites: from seafood waste to advanced functional materials for 3D printing
Chitosan-polylactic acid composites: from seafood waste to advanced functional materials for 3D printing Open
The development of functional and sustainable materials for additive manufacturing is a rapidly expanding area of interest. In this context, composite blends of chitosan—including commercial low and medium molecular weight variants, as wel…
View article: Phase tailoring of silver oxide thin films for improved antimicrobial activity
Phase tailoring of silver oxide thin films for improved antimicrobial activity Open
This paper reports on routes to control the silver oxide phase and morphology in thin films to enhance their antimicrobial efficacy. The Ag:O atomic ratio was tailored during the pulsed laser deposition process by adjusting the O2 environm…
View article: Vortex-Mixing Microfluidic Fabrication of Micafungin-Loaded Magnetite–Salicylic Acid–Silica Nanocomposite with Sustained-Release Capacity
Vortex-Mixing Microfluidic Fabrication of Micafungin-Loaded Magnetite–Salicylic Acid–Silica Nanocomposite with Sustained-Release Capacity Open
Iron oxide nanoparticles were synthesized using a vortex microfluidic system and subsequently functionalized with a primary shell of salicylic acid, recognized for its ability to increase the stability and biocompatibility of coated materi…
View article: Characterization of Mixtures Based on High-Density Polyethylene and Plasticized Starch
Characterization of Mixtures Based on High-Density Polyethylene and Plasticized Starch Open
This paper presents the obtaining and characterization of blends based on high-density polyethylene (HDPE) and plasticized starch. In addition to plasticized starch (28.8% w/w), the compositions made also contained other ingredients, such …
View article: Tailoring Zinc Oxide Nanoparticles via Microwave-Assisted Hydrothermal Synthesis for Enhanced Antibacterial Properties
Tailoring Zinc Oxide Nanoparticles via Microwave-Assisted Hydrothermal Synthesis for Enhanced Antibacterial Properties Open
In recent years, significant advancements in nanotechnology have facilitated the synthesis of zinc oxide (ZnO) nanoparticles with tailored sizes and shapes, offering versatile applications across various fields, particularly in biomedicine…