Low Ecotoxicological Impact of Magnesium Oxychloride Cement Composites Doped with 2D Carbon-Based Nanoadditives

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F25%3A43932740" target="_blank" >RIV/60461373:22310/25:43932740 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/60461373:22320/25:43932740 RIV/60461373:22330/25:43932740

Výsledek na webu

<a href="https://doi.org/10.1021/acsomega.5c04437" target="_blank" >https://doi.org/10.1021/acsomega.5c04437</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1021/acsomega.5c04437" target="_blank" >10.1021/acsomega.5c04437</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Low Ecotoxicological Impact of Magnesium Oxychloride Cement Composites Doped with 2D Carbon-Based Nanoadditives

Popis výsledku v původním jazyce

Magnesium oxychloride cement (MOC) is gaining attention as a sustainable alternative to Portland cement. Its mechanical performance and water resistance may be enhanced by reinforcement with two-dimensional nanomaterials, such as graphene (G) and graphene oxide (GO). However, the ecotoxicological impact of these composites, determining their implementation, remains largely unexplored. This study evaluated the effects of G platelets with a surface area of 750 m2/g (G750) and GO, both as isolated particles and embedded within MOC, on a range of prokaryotic (Staphylococcus aureus, Escherichia coli, and Pseudomonas aeruginosa) and eukaryotic (Artemia salina, Sinapis alba, and Desmodesmus subspicatus) model organisms. G750 and GO exhibited species-specific antibacterial activity, notably inhibiting S. aureus growth and biofilm formation, while P. aeruginosa remained largely unaffected. The addition of G750 or GO did not enhance MOC&apos;s antibacterial effect, as MOC alone exhibited strong antimicrobial activity. Both G750 and GO were toxic to A. salina at concentrations of &gt;= 0.05 g/L, with GO showing greater toxicity. Phytotoxic effects were observed in S. alba, particularly with the GO and MOC-G750 composites. Algal growth was unaffected by MOC-G750 but inhibited by MOC-GO after extended exposure. G750, GO, and MOC samples showed no genotoxic potential in vitro and in vivo; ROS production occurred without a significant change from the control. Overall, incorporating G750 and GO into MOC improved material properties without substantially increasing ecotoxicity, though species- and material-specific responses underscore the need for thorough environmental impact evaluation.

Název v anglickém jazyce

Low Ecotoxicological Impact of Magnesium Oxychloride Cement Composites Doped with 2D Carbon-Based Nanoadditives

Popis výsledku anglicky

Magnesium oxychloride cement (MOC) is gaining attention as a sustainable alternative to Portland cement. Its mechanical performance and water resistance may be enhanced by reinforcement with two-dimensional nanomaterials, such as graphene (G) and graphene oxide (GO). However, the ecotoxicological impact of these composites, determining their implementation, remains largely unexplored. This study evaluated the effects of G platelets with a surface area of 750 m2/g (G750) and GO, both as isolated particles and embedded within MOC, on a range of prokaryotic (Staphylococcus aureus, Escherichia coli, and Pseudomonas aeruginosa) and eukaryotic (Artemia salina, Sinapis alba, and Desmodesmus subspicatus) model organisms. G750 and GO exhibited species-specific antibacterial activity, notably inhibiting S. aureus growth and biofilm formation, while P. aeruginosa remained largely unaffected. The addition of G750 or GO did not enhance MOC&apos;s antibacterial effect, as MOC alone exhibited strong antimicrobial activity. Both G750 and GO were toxic to A. salina at concentrations of &gt;= 0.05 g/L, with GO showing greater toxicity. Phytotoxic effects were observed in S. alba, particularly with the GO and MOC-G750 composites. Algal growth was unaffected by MOC-G750 but inhibited by MOC-GO after extended exposure. G750, GO, and MOC samples showed no genotoxic potential in vitro and in vivo; ROS production occurred without a significant change from the control. Overall, incorporating G750 and GO into MOC improved material properties without substantially increasing ecotoxicity, though species- and material-specific responses underscore the need for thorough environmental impact evaluation.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10402 - Inorganic and nuclear chemistry

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2025

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

ACS Omega

ISSN

2470-1343

e-ISSN

—

Svazek periodika

10

Číslo periodika v rámci svazku

31

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

16

Strana od-do

35013-35028

Kód UT WoS článku

001541356400001

EID výsledku v databázi Scopus

—