[HTML][HTML] Photocatalytic nanoparticles–from membrane interactions to antimicrobial and antiviral effects

E Parra-Ortiz, M Malmsten - Advances in colloid and interface science, 2022 - Elsevier
As a result of increasing resistance among pathogens against antibiotics and anti-viral
therapeutics, nanomaterials are attracting current interest as antimicrobial agents. Such …

Recent advances and new insights on the construction of photocatalytic systems for environmental disinfection

L Liu, Z Shen, C Wang - Journal of Environmental Management, 2024 - Elsevier
Photocatalysis, as a sustainable and environmentally friendly green technology, has
garnered widespread recognition and application across various fields. Especially its …

Boosting membrane interactions and antimicrobial effects of photocatalytic titanium dioxide nanoparticles by peptide coating

L Caselli, E Parra‐Ortiz, S Micciulla, MWA Skoda… - Small, 2024 - Wiley Online Library
Photocatalytic nanoparticles offer antimicrobial effects under illumination due to the
formation of reactive oxygen species (ROS), capable of degrading bacterial membranes …

Antimicrobial Peptide Coating of TiO2 Nanoparticles for Boosted Antimicrobial Effects

L Caselli, T Traini, S Micciulla… - Advanced Functional …, 2024 - Wiley Online Library
This study explores the coating of photocatalytic nanoparticles with antimicrobial peptides
(AMPs) for boosted antimicrobial effects, and how such effects depend on AMP properties …

Photocatalytic Degradation of Bacterial Lipopolysaccharides by Peptide-Coated TiO2 Nanoparticles

L Caselli, G Du, S Micciulla, T Traini… - … Applied Materials & …, 2024 - ACS Publications
In this study, we report the degradation of smooth and rough lipopolysaccharides (LPS) from
Gram-negative bacteria and of lipoteichoic acid (LTA) from Gram-positive bacteria by …

Composition effects on photooxidative membrane destabilization by TiO2 nanoparticles

SM Häffner, E Parra-Ortiz, MWA Skoda… - Journal of Colloid and …, 2021 - Elsevier
Membrane interactions and photooxidative membrane destabilization of titanium dioxide
(TiO 2) nanoparticles were investigated, focusing on the effects of membrane composition …

Mesoporous silica as a matrix for photocatalytic titanium dioxide nanoparticles: Lipid membrane interactions

E Parra-Ortiz, L Caselli, M Agnoletti, MWA Skoda, X Li… - Nanoscale, 2022 - pubs.rsc.org
In the present study, we investigate the combined interaction of mesoporous silica (SiO2)
and photocatalytic titanium dioxide (TiO2) nanoparticles with lipid membranes, using …

[HTML][HTML] Critical nanomaterial attributes of iron-carbohydrate nanoparticles: leveraging orthogonal methods to resolve the 3-dimensional structure

L Krupnik, P Joshi, A Kappler, B Flühmann… - European Journal of …, 2023 - Elsevier
Intravenous iron-carbohydrate nanomedicines are widely used to treat iron deficiency and
iron deficiency anemia across a wide breadth of patient populations. These colloidal …

Does membrane curvature elastic energy play a role in mediating oxidative stress in lipid membranes?

J Bahja, MK Dymond - Free Radical Biology and Medicine, 2021 - Elsevier
The effects of oxidative stress on cells are associated with a wide range of pathologies.
Oxidative stress is predominantly initiated by the action of reactive oxygen species and/or …

Surface-functionalized polystyrene nanoparticles alter the transmembrane potential via ion-selective pores maintaining global bilayer integrity

DA Perini, E Parra-Ortiz, I Varó, M Queralt-Martín… - Langmuir, 2022 - ACS Publications
Although nanoplastics have well-known toxic effects toward the environment and living
organisms, their molecular toxicity mechanisms, including the nature of nanoparticle–cell …