Georgios Pyrgiotakis
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View article: Engineered metal oxide nanomaterials inhibit corneal epithelial wound healing in vitro and in vivo
Engineered metal oxide nanomaterials inhibit corneal epithelial wound healing in vitro and in vivo Open
View article: Safer-by-design flame-sprayed silicon dioxide nanoparticles: the role of silanol content on ROS generation, surface activity and cytotoxicity
Safer-by-design flame-sprayed silicon dioxide nanoparticles: the role of silanol content on ROS generation, surface activity and cytotoxicity Open
Background Amorphous silica nanoparticles (SiO2 NPs) have been regarded as relatively benign nanomaterials, however, this widely held opinion has been questioned in recent years by several reports on in vitro and in vivo toxicity. Surface …
View article: Synthesis of Precision Gold Nanoparticles Using Turkevich Method
Synthesis of Precision Gold Nanoparticles Using Turkevich Method Open
Gold nanoparticles (AuNPs) exhibit unique size-dependent physiochemical properties that make them attractive for a wide range of applications. However, the large-scale availability of precision AuNPs has been minimal. Not only must the req…
View article: Age-Dependent Translocation of Gold Nanoparticles across the Air–Blood Barrier
Age-Dependent Translocation of Gold Nanoparticles across the Air–Blood Barrier Open
Do immature lungs have air-blood barriers that are more permeable to inhaled nanoparticles than those of fully developed mature lungs? Data supporting this notion and explaining the underlying mechanisms do not exist as far as we know. Usi…
View article: Inactivation of common hospital acquired pathogens on surfaces and in air utilizing engineered water nanostructures (EWNS) based nano-sanitizers
Inactivation of common hospital acquired pathogens on surfaces and in air utilizing engineered water nanostructures (EWNS) based nano-sanitizers Open
View article: Development & characterization of fluorescently tagged nanocellulose for nanotoxicological studies
Development & characterization of fluorescently tagged nanocellulose for nanotoxicological studies Open
Cellulose-based nano-fibrils and nano-crystals tagged with a fluorescent probe can be used to study their interactions with biological and environmental systems.
View article: Reducing Intestinal Digestion and Absorption of Fat Using a Nature-Derived Biopolymer: Interference of Triglyceride Hydrolysis by Nanocellulose
Reducing Intestinal Digestion and Absorption of Fat Using a Nature-Derived Biopolymer: Interference of Triglyceride Hydrolysis by Nanocellulose Open
Engineered nanomaterials are increasingly added to foods to improve quality, safety, or nutrition. Here we report the ability of ingested nanocellulose (NC) materials to reduce digestion and absorption of ingested fat. In the small intesti…
View article: Nanoparticle Wettability Influences Nanoparticle–Phospholipid Interactions
Nanoparticle Wettability Influences Nanoparticle–Phospholipid Interactions Open
We explored the influence of nanoparticle (NP) surface charge and hydrophobicity on NP-biomolecule interactions by measuring the composition of adsorbed phospholipids on four NPs, namely, positively charged CeO2 and ZnO and nega…
View article: Mussel-inspired 3D fiber scaffolds for heart-on-a-chip toxicity studies of engineered nanomaterials
Mussel-inspired 3D fiber scaffolds for heart-on-a-chip toxicity studies of engineered nanomaterials Open
Due to the unique physicochemical properties exhibited by materials with nanoscale dimensions, there is currently a continuous increase in the number of engineered nanomaterials (ENMs) used in consumer goods. However, several reports assoc…
View article: Development of high throughput, high precision synthesis platforms and characterization methodologies for toxicological studies of nanocellulose
Development of high throughput, high precision synthesis platforms and characterization methodologies for toxicological studies of nanocellulose Open
View article: Development of reference metal and metal oxide engineered nanomaterials for nanotoxicology research using high throughput and precision flame spray synthesis approaches
Development of reference metal and metal oxide engineered nanomaterials for nanotoxicology research using high throughput and precision flame spray synthesis approaches Open
View article: Protein corona: implications for nanoparticle interactions with pulmonary cells
Protein corona: implications for nanoparticle interactions with pulmonary cells Open
View article: An integrated methodology for assessing the impact of food matrix and gastrointestinal effects on the biokinetics and cellular toxicity of ingested engineered nanomaterials
An integrated methodology for assessing the impact of food matrix and gastrointestinal effects on the biokinetics and cellular toxicity of ingested engineered nanomaterials Open
View article: An integrated electrolysis – electrospray – ionization antimicrobial platform using Engineered Water Nanostructures (EWNS) for food safety applications
An integrated electrolysis – electrospray – ionization antimicrobial platform using Engineered Water Nanostructures (EWNS) for food safety applications Open
View article: Preparation, characterization, and in vitro dosimetry of dispersed, engineered nanomaterials
Preparation, characterization, and in vitro dosimetry of dispersed, engineered nanomaterials Open
View article: Nanotechnology to the rescue: using nano-enabled approaches in microbiological food safety and quality
Nanotechnology to the rescue: using nano-enabled approaches in microbiological food safety and quality Open
View article: Development and characterization of electronic-cigarette exposure generation system (Ecig-EGS) for the physico-chemical and toxicological assessment of electronic cigarette emissions
Development and characterization of electronic-cigarette exposure generation system (Ecig-EGS) for the physico-chemical and toxicological assessment of electronic cigarette emissions Open
Electronic cigarettes (e-cig) have been introduced as a nicotine replacement therapy and have gained increasing attention and popularity. However, while findings on possible toxicological implications continue to grow, major knowledge gaps…
View article: Pulmonary distribution of nanoceria: comparison of intratracheal, microspray instillation and dry powder insufflation
Pulmonary distribution of nanoceria: comparison of intratracheal, microspray instillation and dry powder insufflation Open
Particles can be delivered to the respiratory tract of animals using various techniques. Inhalation mimics environmental exposure but requires large amounts of aerosolized NPs over a prolonged dosing time, varies in deposited dose among in…
View article: The role of the food matrix and gastrointestinal tract in the assessment of biological properties of ingested engineered nanomaterials (iENMs): State of the science and knowledge gaps
The role of the food matrix and gastrointestinal tract in the assessment of biological properties of ingested engineered nanomaterials (iENMs): State of the science and knowledge gaps Open
View article: Effects of engineered nanomaterial exposure on macrophage innate immune function
Effects of engineered nanomaterial exposure on macrophage innate immune function Open
View article: Optimization of a nanotechnology based antimicrobial platform for food safety applications using Engineered Water Nanostructures (EWNS)
Optimization of a nanotechnology based antimicrobial platform for food safety applications using Engineered Water Nanostructures (EWNS) Open
View article: Advanced computational modeling for in vitro nanomaterial dosimetry
Advanced computational modeling for in vitro nanomaterial dosimetry Open