Ştefan Ţălu
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View article: Sunlight-Driven Photocatalysis in Hydrothermally Coupled ZnO/Fe3O4 Heterostructures from Bioengineered Nanoparticles
Sunlight-Driven Photocatalysis in Hydrothermally Coupled ZnO/Fe3O4 Heterostructures from Bioengineered Nanoparticles Open
We report a fully biogenic route to ZnO, Fe3O4, and their hydrothermally coupled ZnO/Fe3O4 heterostructure and establish a synthesis–structure–function link. Phase-pure, quasi-spherical wurtzite ZnO and finer inverse-spinel Fe3O4 nanoparti…
View article: Correction: Effects of Annealing Time on the Structural, Optical, and Mechanical Properties of ZnO Thin Films Prepared by Flash Thermal Evaporation
Correction: Effects of Annealing Time on the Structural, Optical, and Mechanical Properties of ZnO Thin Films Prepared by Flash Thermal Evaporation Open
View article: The Influence of Carbon Nanotubes and Graphene on Immune Cells
The Influence of Carbon Nanotubes and Graphene on Immune Cells Open
Recent studies propose that nanomaterials, either independently or coupled with biomolecular conjugates, have the ability to influence immune activity directly, creating new opportunities for advancing immunotherapies targeting infections …
View article: The power of simulation: Exploring binary alloys for next-generation applications
The power of simulation: Exploring binary alloys for next-generation applications Open
This review provides an updated perspective on the transformative role of computational simulation in the design and discovery of binary alloys for advanced technologies. Unlike traditional trial and error methods, molecular dynamics (MD) …
View article: Atomistic simulations of two dimensional materials: insights from first principles and molecular dynamics methods
Atomistic simulations of two dimensional materials: insights from first principles and molecular dynamics methods Open
Computational methods have become indispensable tools for the discovery and characterization of two-dimensional (2D) materials. This review focuses on the powerful synergy between Density Functional Theory (DFT) and Molecular Dynamics (MD)…
View article: Si and CuO nanoparticles as decoration of graphene nanosheets by pulsed laser ablation method
Si and CuO nanoparticles as decoration of graphene nanosheets by pulsed laser ablation method Open
View article: Immunological Linkages Between Inflammatory Bowel Diseases and Type 2 Diabetes
Immunological Linkages Between Inflammatory Bowel Diseases and Type 2 Diabetes Open
Background: Inflammatory bowel disease (IBDs) are chronic, immune-mediated disorders of the gastrointestinal tract, encompassing ulcerative colitis (UC) and Crohn’s disease (CD), and primarily affecting individuals with genetic susceptibil…
View article: Advanced Coating Strategies for Immunomodulatory Biomaterials for Reconstructive Osteogenesis: Mitigating Foreign Body Reaction and Promoting Tissue Regeneration
Advanced Coating Strategies for Immunomodulatory Biomaterials for Reconstructive Osteogenesis: Mitigating Foreign Body Reaction and Promoting Tissue Regeneration Open
Immune cells play a pivotal role in orchestrating tissue repair, executing functions such as debris clearance, extracellular matrix remodeling, and modulation of cytokine secretion profiles. However, when their activity is dysregulated or …
View article: Efficient sunlight-driven degradation of methylene blue using hydrothermally synthesized copper oxide/zinc oxide hybrid composites
Efficient sunlight-driven degradation of methylene blue using hydrothermally synthesized copper oxide/zinc oxide hybrid composites Open
This study introduces a method for efficiently degrading methylene blue (MB) using sunlight and hydrothermally synthesized copper oxide (CuO) and CuO/ZnO hybrid composites. X-ray diffraction (XRD) confirmed the presence of monoclinic CuO a…
View article: Morphological study of Cu2CdSnS4 nanostructures synthesized via spin coating method at different temperatures
Morphological study of Cu2CdSnS4 nanostructures synthesized via spin coating method at different temperatures Open
View article: Surface coating with pharmacological molecules
Surface coating with pharmacological molecules Open
The application of pharmacological molecules in surface coatings has emerged as an innovative approach to enhance the effectiveness and safety of surgical procedures. This review outlines the concept and potential uses of pharmacologically…
View article: Influence of <scp>RF</scp> Power on Structural and Corrosion Properties of Sputter‐Deposited <scp>CrN</scp> Films
Influence of <span>RF</span> Power on Structural and Corrosion Properties of Sputter‐Deposited <span>CrN</span> Films Open
This study examines the deposition of chromium nitride (CrN) films on 304 stainless steel (304SS) substrates using radio‐frequency (RF) magnetron sputtering, with RF power varied from 20 to 160 W in an argon atmosphere. The structural, top…
View article: Biosensors for Human Cell Analysis: Immune Cell Dynamics and Diagnostic Capabilities
Biosensors for Human Cell Analysis: Immune Cell Dynamics and Diagnostic Capabilities Open
Biosensors are advanced analytical tools that convert biological responses into measurable electrical signals, with significant applications in immune cell analysis. This review discusses the evolution, mechanisms, and classifications of b…
View article: Immunomodulatory Potential and Biocompatibility of Chitosan–Hydroxyapatite Biocomposites for Tissue Engineering
Immunomodulatory Potential and Biocompatibility of Chitosan–Hydroxyapatite Biocomposites for Tissue Engineering Open
Chitosan–hydroxyapatite (CS-HAp) biocomposites, combining the biocompatibility and bioactivity of chitosan with the osteoconductive properties of hydroxyapatite, are emerging as promising candidates for tissue engineering applications. The…
View article: A Development and Comparison Study of PVDF Membranes Enriched by Metal–Organic Frameworks
A Development and Comparison Study of PVDF Membranes Enriched by Metal–Organic Frameworks Open
This study is concerned with the research and development of nanofibrous hybrid materials functioning as membranes composed of polyvinylidene fluoride (PVDF) polymer and enriched with metal–organic frameworks (MOFs) as dopants for the adso…
View article: Artificial Intelligence in Oral Diagnosis: Detecting Coated Tongue with Convolutional Neural Networks
Artificial Intelligence in Oral Diagnosis: Detecting Coated Tongue with Convolutional Neural Networks Open
Background/Objectives: Coated tongue is a common oral condition with notable clinical relevance, often overlooked due to its asymptomatic nature. Its presence may reflect poor oral hygiene and can serve as an early indicator of underlying …
View article: Copper Molybdate-Catalyzed Esterification of Levulinic Acid: A Heterogeneous Approach for Biofuel Synthesis
Copper Molybdate-Catalyzed Esterification of Levulinic Acid: A Heterogeneous Approach for Biofuel Synthesis Open
The catalytic esterification of levulinic acid (LA) to methyl levulinate (ML) was investigated using copper molybdate (Cu3(MoO4)2(OH)2) as a heterogeneous catalyst. The catalyst, synthesized via chemical precipitation, exhibited a monoclin…
View article: Advancements in Cellulose-Based Materials for CO2 Capture and Conversion
Advancements in Cellulose-Based Materials for CO2 Capture and Conversion Open
This study explores the recent advances of cellulose-based materials in the context of carbon capture and conversion amid the global imperative to reduce CO2emissions. The review emphasizes the critical importance of selecting suitable mat…
View article: Interaction Between Human Microbiota, Immune System, and Hepatitis C Virus Infection: A Narrative Review
Interaction Between Human Microbiota, Immune System, and Hepatitis C Virus Infection: A Narrative Review Open
Hepatitis C virus (HCV) accounts for approximately 17.5% of acute hepatitis cases, with around 65% of individuals progressing to chronic infection after the acute phase. The role of intestinal microbiota in the pathogenesis of chronic live…
View article: Adaptability of Electrospun PVDF Nanofibers in Bone Tissue Engineering
Adaptability of Electrospun PVDF Nanofibers in Bone Tissue Engineering Open
This study focused on the development of a suitable synthetic polymer scaffold for bone tissue engineering applications within the biomedical field. The investigation centered on electrospun polyvinylidene fluoride (PVDF) nanofibers, exami…
View article: Magnetic Properties and Thermal Stability of AuCo Alloy Obtained by High-Pressure Torsion
Magnetic Properties and Thermal Stability of AuCo Alloy Obtained by High-Pressure Torsion Open
AuCo alloys are promising materials due to their magnetic, magneto-optical and magneto-plasmonic properties. These two metals are characterized by having zero mutual solubility at room temperature, significant differences in their physical…
View article: Light-based technologies in immunotherapy: advances, mechanisms and applications
Light-based technologies in immunotherapy: advances, mechanisms and applications Open
Light-based immunotherapy uses specific wavelengths of light to activate or modulate immune responses. It primarily employs two mechanisms: direct activation of immune cells and indirect modulation of the tumor microenvironment (TME). Seve…
View article: Carboxylated Graphene: An Innovative Approach to Enhanced IgA-SARS-CoV-2 Electrochemical Biosensing
Carboxylated Graphene: An Innovative Approach to Enhanced IgA-SARS-CoV-2 Electrochemical Biosensing Open
Biosensors harness biological materials as receptors linked to transducers, enabling the capture and transformation of primary biorecognition signals into measurable outputs. This study presents a novel carboxylation method for synthesizin…
View article: Exploring the morphological and optical properties of N-doped ZnO heterojunctions
Exploring the morphological and optical properties of N-doped ZnO heterojunctions Open
Nitrogen-doped zinc oxide (N:ZnO) thin films were deposited on glass substrates via radio frequency (RF) magnetron sputtering and subsequently annealed at 300 °C, 400 °C, 500 °C, and 600 °C to assess their viability and stability as transp…
View article: Additive contribution of multiferroic film and semiconductor substrate from nanotube array to resistive switching, topographic features
Additive contribution of multiferroic film and semiconductor substrate from nanotube array to resistive switching, topographic features Open
The structure BiFeO 3 /TiO 2 –NTs (BFOT) obtained using the atomic layer deposition. During the Anatase/Rutile phase transformation; there is a redistribution of Fe/Ti atoms, resulting in the formation of local inhomogeneities and charge t…
View article: Impact of MoS2 Layer Thickness and Donor Concentration on Saturation Current in 4-Layer MOSFET: A Comsol Simulation
Impact of MoS2 Layer Thickness and Donor Concentration on Saturation Current in 4-Layer MOSFET: A Comsol Simulation Open
This study investigates the effects of the thickness and donor concentration of a hybrid MoS2 semiconductor layer on the saturation current of a four-layer MOSFET, utilizing Comsol Multiphysics simulation software. By leveraging the softwa…
View article: Effects of Wildfire Exposure on the Human Immune System
Effects of Wildfire Exposure on the Human Immune System Open
Wildfires have become a significant environmental and public health concern worldwide, particularly due to their increased frequency and intensity driven by climate change. Wildfire smoke, composed of a complex mixture of particulate matte…
View article: Exploring the fabrication, properties, and morphology of fluorine substituted hydroxyapatite coatings
Exploring the fabrication, properties, and morphology of fluorine substituted hydroxyapatite coatings Open
View article: Thermal Decomposition and Kinetic Analysis of Amazonian Woods: A Comparative Study of Goupia glabra and Manilkara huberi
Thermal Decomposition and Kinetic Analysis of Amazonian Woods: A Comparative Study of Goupia glabra and Manilkara huberi Open
This study presents a detailed analysis of the thermal degradation and kinetic behavior of two Amazonian wood species, Goupia glabra (cupiúba) and Manilkara huberi (maçaranduba), using thermogravimetric analysis (TGA), differential scannin…
View article: Photocatalytic Performances of Dip-Coated Ag Doped TiO2 Thin Films
Photocatalytic Performances of Dip-Coated Ag Doped TiO2 Thin Films Open
In this study, dip coating technique is used to deposit titanium dioxide (TiO2) and silver (Ag)–doped–TiO2 nanocomposite thin films on glass substrates. The obtained films are typified using different characterization techniques such as X-…