tThe extensive use of silver nanoparticles (SNPs) as antimicrobial in food, clothing and medicine, leadsinevitably to a loss of such nanomaterial in soil and water. Little is known about the effects of soilcontamination, in particular, on microbial cells, which play a fundamental ecological role.In this work, the impact of SNPs on forest soil has been studied, investigating eco-physiological indica-tors of microbial biomass and microbial diversity with culture-dependent and independent techniques.Moreover, SNPs bioavailability and uptake were assessed. Soil samples were spiked with SNPs at two dif-ferent concentrations (10 and 100 g g−1dw) and incubated with the relative controls for 30, 60 and 90days. The overall parameters showed a significant influence of the SNPs on the soil microbial community,revealing a marked shift after 60 days of incubation.
S. Carbone, L. Vittori Antisari, F. Gaggia, L. Baffoni, D. Di Gioia, G. Vianello, et al. (2014). Bioavailability and biological effect of engineered silver nanoparticles in a forest soil. JOURNAL OF HAZARDOUS MATERIALS, 280, 89-96 [10.1016/j.jhazmat.2014.07.055].
Bioavailability and biological effect of engineered silver nanoparticles in a forest soil
CARBONE, SERENA;VITTORI ANTISARI, LIVIA;GAGGIA, FRANCESCA;BAFFONI, LOREDANA;DI GIOIA, DIANA;VIANELLO, GILMO;
2014
Abstract
tThe extensive use of silver nanoparticles (SNPs) as antimicrobial in food, clothing and medicine, leadsinevitably to a loss of such nanomaterial in soil and water. Little is known about the effects of soilcontamination, in particular, on microbial cells, which play a fundamental ecological role.In this work, the impact of SNPs on forest soil has been studied, investigating eco-physiological indica-tors of microbial biomass and microbial diversity with culture-dependent and independent techniques.Moreover, SNPs bioavailability and uptake were assessed. Soil samples were spiked with SNPs at two dif-ferent concentrations (10 and 100 g g−1dw) and incubated with the relative controls for 30, 60 and 90days. The overall parameters showed a significant influence of the SNPs on the soil microbial community,revealing a marked shift after 60 days of incubation.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
