1. Physico-Chemical Properties of Inorganic NPs Influence the Absorption Rate of Aquatic Mosses Reducing Cytotoxicity on Intestinal Epithelial Barrier Model
- Author
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Makarena Rojas, Valeria De Matteis, Rosaria Rinaldi, Mariafrancesca Cascione, Gian Pietro Di Sansebastiano, Stefano Mazzotta, De Matteis, V., Rojas, M., Cascione, M., Mazzotta, S., Di Sansebastiano, G. P., and Rinaldi, R.
- Subjects
Aquatic Organisms ,Chemical Phenomena ,Cytotoxicity ,Mosse ,Pharmaceutical Science ,Nanoparticle ,Metal Nanoparticles ,02 engineering and technology ,010501 environmental sciences ,01 natural sciences ,Analytical Chemistry ,mosses ,chemistry.chemical_compound ,Colloid ,QD241-441 ,X-Ray Diffraction ,Drug Discovery ,Microemulsion ,Intestinal Mucosa ,health care economics and organizations ,Titanium ,Caco-2 Cell ,Cell Death ,Aquatic Organism ,Chemistry ,respiratory system ,021001 nanoscience & nanotechnology ,Silver nitrate ,Chemistry (miscellaneous) ,Inorganic NP ,visual_art ,visual_art.visual_art_medium ,Molecular Medicine ,cytotoxicity ,0210 nano-technology ,Human ,inorganic chemicals ,Cell Survival ,Physico-chemical propertie ,Static Electricity ,Oxide ,Absorption (skin) ,Bryophyta ,Models, Biological ,physico-chemical properties ,Article ,Absorption ,Metal ,Metal Nanoparticle ,Inorganic Chemical ,mental disorders ,Humans ,Physical and Theoretical Chemistry ,0105 earth and related environmental sciences ,Organic Chemistry ,technology, industry, and agriculture ,inorganic NPs ,Dynamic Light Scattering ,Absorption, Physicochemical ,Inorganic Chemicals ,Titanium dioxide ,Spectrophotometry, Ultraviolet ,Caco-2 Cells ,Germ Cells, Plant ,absorption ,Nuclear chemistry - Abstract
Noble metals nanoparticles (NPs) and metal oxide NPs are widely used in different fields of application and commercial products, exposing living organisms to their potential adverse effects. Recent evidences suggest their presence in the aquifers water and consequently in drinking water. In this work, we have carefully synthesized four types of NPs, namely, silver and gold NPs (Ag NPs and Au NPs) and silica and titanium dioxide NPs (SiO2 NPs and TiO2 NPs) having a similar size and negatively charged surfaces. The synthesis of Ag NPs and Au NPs was carried out by colloidal route using silver nitrate (AgNO3) and tetrachloroauric (III) acid (HAuCl4) while SiO2 NPs and TiO2 NPs were achieved by ternary microemulsion and sol-gel routes, respectively. Once the characterization of NPs was carried out in order to assess their physico-chemical properties, their impact on living cells was studied. We used the human colorectal adenocarcinoma cells (Caco-2), known as the best representative intestinal epithelial barrier model to understand the effects triggered by NPs through ingestion. Then, we moved to explore how water contamination caused by NPs can be lowered by the ability of three species of aquatic moss, namely, Leptodictyum riparium, Vesicularia ferriei, and Taxiphyllum barbieri, to absorb them. The experiments were conducted using two concentrations of NPs (100 μM and 500 Μm as metal content) and two time points (24 h and 48 h), showing a capture rate dependent on the moss species and NPs type. Then, the selected moss species, able to actively capture NPs, appear as a powerful tool capable to purify water from nanostructured materials, and then, to reduce the toxicity associated to the ingestion of contaminated drinking water.
- Published
- 2021