Toxicity Assessment of Silver Ions Compared to Silver Nanoparticles in Aqueous Solutions and Soils Using Microtox Bioassay

Wie, Min-A; Oh, Se‐jin; Kim, Sung‐Chul; Kim, Rog-Young; Lee, Sang-Phil; Kim, Won-Il; Yang, Jae E.

doi:10.7745/kjssf.2012.45.6.1114

Cited by 3 publications

(4 citation statements)

References 10 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In particular, moderate concentration of AgNPs with size of 70 nm reduced leaf length, single leaf fresh mass, and whole shoot fresh mass of wheat more than AgNPs at the same concentration. The result was consistent with previous studies which confirm stronger toxic effects of AgNPs compared to Ag ions (Yin et al 2011, Lee et al 2012, Krajcarová et al 2017. Hence, the toxicity of AgNPs cannot be attributed to Ag ions alone, it is highly likely that AgNPs itself has toxic properties (Lubick 2008, Yin et al 2011, Jiang et al 2012, Geisler-Lee et al 2013.…”

Section: Discussionsupporting

confidence: 93%

“…Previous results showed that AgNPs can reduce the growth and development of many plant species (Lee et al 2012, Zuverza-Mena et al 2016, Wang et al 2018a. In this study, it was observed that AgNPs, with all concentrations and particle sizes, significantly reduced the plant height of wheat.…”

Section: Discussionsupporting

confidence: 50%

“…Ag ions can form complexes by binding to ligands (such as chloride, phosphate, and/or sulfide) (Xiu et al 2011, Reinsch et al 2012, Yang et al 2014. In addition, Ag ions can be absorbed by colloids and/or humic acid in the soil (Wie et al 2012, Yang et al 2014. Further, AgNPs can be converted to Ag ions and then rapidly transformed to AgNPs in the soil subsystem or under sunlight conditions (Glover et al 2011).…”

Section: Discussionmentioning

confidence: 99%

“…Previous studies also demonstrated that the toxic effects of AgNPs are dose-dependent, and higher concentrations usually lead to higher toxicity (Lee et al 2012, Zuverza-Mena et al 2016, Sheng et al 2017, Wang et al 2017c, 2018a. This can be attributed to the fact that AgNPs at higher concentration can release more Ag ions (Gubbins et al 2011, Zhao and Wang, 2012a, Guo et al 2017 and/or initiate higher ROS production (Lee et al 2012, Zuverza-Mena et al 2016, Cvjetko et al 2017. However, some studies have shown positive response of some plant species to AgNPs (Sharma et al 2012, Jasim et al 2017.…”

Section: Discussionmentioning

confidence: 99%

See 3 more Smart Citations

Silver nanoparticles with different concentrations and particle sizes affect the functional traits of wheat

Wang¹,

Wu²,

Wei³

et al. 2020

Biologia plant.

View full text Add to dashboard Cite

The response of functional traits of plants to external environment can influence their competitive ability because these functional traits are required for the acquisition of resources. The overuse of silver nanoparticles (AgNPs) has gained attention due to their environmental toxicity. This study aimed to examine the effects of AgNPs with different concentrations and particle sizes on functional traits of wheat. It was observed that AgNPs significantly reduced the plant height and so decrease its competitive ability. Ag ions decreased leaf chlorophyll and nitrogen content and specific leaf area more than AgNPs, but the opposite was true for leaf length, single leaf fresh mass, and shoot fresh mass. Hence, the toxicity of AgNPs may be higher than that of Ag ions in some cases. In this study, leaf chlorophyll and nitrogen content decreased with increasing concentration of AgNPs (with size 30 nm). The AgNPs with smaller particle size exerted higher toxicity on leaf chlorophyll and N content than those with larger particle size at the same concentration. However, AgNPs with larger particle size reduced more aboveground fresh mass than those with smaller particle size at the same concentration.

show abstract