Effects of silver-graphene oxide nanocomposites on soil microbial communities

Min Ji Kim; Daegeun Ko; Kwanyoung Ko; Dawon Kim; Ji Yeon Lee; Sang Myeong Woo; Woong Kim; Haegeun Chung

doi:10.1016/j.jhazmat.2017.11.032

Effects of silver-graphene oxide nanocomposites on soil microbial communities

Min Ji Kim, Daegeun Ko, Kwanyoung Ko, Dawon Kim, Ji Yeon Lee, Sang Myeong Woo, Woong Kim, Haegeun Chung

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

40 Citations (Scopus)

Abstract

Due to the application of silver-graphene oxide (Ag-GO) in diverse fields, it is important to investigate its potential impacts on the environment including soils. In this study, the response of microbial communities in soils treated with Ag-GO synthesized by glucose reduction was determined by analyzing enzyme activities, biomass, and inorganic N concentrations and by pyrosequencing. In soils treated with 0.1–1 mg Ag-GO g⁻¹ soil, the activities of β-glucosidase, cellobiohydrolase, and xylosidase decreased up to 80% and NO₃ ⁻ concentration decreased up to 82% indicating inhibited nitrification. Within the bacterial community, the relative abundance of Acidobacteria and Cyanobacteria in soils treated with Ag-GO were lower than that in control soil. Meanwhile, the relative abundance of AD3 and Firmicutes tended to increase under Ag-GO treatments. These changes in bacterial community composition reflected lowered activities associated with C and N cycling. On the other hand, microbial biomass showed no distinct change in response to Ag-GO treatment. Our study can serve as important basis in establishing guidelines for regulating the release of nanocomposites such as Ag-GO to the soil environment.

Original language	English
Pages (from-to)	93-102
Number of pages	10
Journal	Journal of hazardous materials
Volume	346
DOIs	https://doi.org/10.1016/j.jhazmat.2017.11.032
Publication status	Published - 2018 Mar 15

Bibliographical note

Funding Information:
This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) grant funded by the Ministry of Education ( 2016R1D1A1B03931560 ) and by the Korea Ministry of Environment (MOE) as the “Korea-CO 2 Storage Environmental Management (K-COSEM) Research Program (Project No. 2014001810002)”. This paper was written as part of Konkuk University's research support program for its faculty on sabbatical leave in 2016.

Funding Information:
This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) grant funded by the Ministry of Education (2016R1D1A1B03931560) and by the Korea Ministry of Environment (MOE) as the “Korea-CO2 Storage Environmental Management (K-COSEM) Research Program (Project No. 2014001810002)”. This paper was written as part of Konkuk University's research support program for its faculty on sabbatical leave in 2016.

Publisher Copyright:
© 2017 Elsevier B.V.

Keywords

Microbial biomass
Nanomaterial
Pyrosequencing
Soil enzyme
Soil incubation

ASJC Scopus subject areas

Environmental Engineering
Environmental Chemistry
Waste Management and Disposal
Pollution
Health, Toxicology and Mutagenesis

Access to Document

10.1016/j.jhazmat.2017.11.032

Cite this

@article{9ef6de02751440f79986a5c6015ea8fd,

title = "Effects of silver-graphene oxide nanocomposites on soil microbial communities",

abstract = "Due to the application of silver-graphene oxide (Ag-GO) in diverse fields, it is important to investigate its potential impacts on the environment including soils. In this study, the response of microbial communities in soils treated with Ag-GO synthesized by glucose reduction was determined by analyzing enzyme activities, biomass, and inorganic N concentrations and by pyrosequencing. In soils treated with 0.1–1 mg Ag-GO g−1 soil, the activities of β-glucosidase, cellobiohydrolase, and xylosidase decreased up to 80% and NO3 − concentration decreased up to 82% indicating inhibited nitrification. Within the bacterial community, the relative abundance of Acidobacteria and Cyanobacteria in soils treated with Ag-GO were lower than that in control soil. Meanwhile, the relative abundance of AD3 and Firmicutes tended to increase under Ag-GO treatments. These changes in bacterial community composition reflected lowered activities associated with C and N cycling. On the other hand, microbial biomass showed no distinct change in response to Ag-GO treatment. Our study can serve as important basis in establishing guidelines for regulating the release of nanocomposites such as Ag-GO to the soil environment.",

keywords = "Microbial biomass, Nanomaterial, Pyrosequencing, Soil enzyme, Soil incubation",

author = "Kim, {Min Ji} and Daegeun Ko and Kwanyoung Ko and Dawon Kim and Lee, {Ji Yeon} and Woo, {Sang Myeong} and Woong Kim and Haegeun Chung",

note = "Funding Information: This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) grant funded by the Ministry of Education ( 2016R1D1A1B03931560 ) and by the Korea Ministry of Environment (MOE) as the “Korea-CO 2 Storage Environmental Management (K-COSEM) Research Program (Project No. 2014001810002)”. This paper was written as part of Konkuk University's research support program for its faculty on sabbatical leave in 2016. Funding Information: This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) grant funded by the Ministry of Education (2016R1D1A1B03931560) and by the Korea Ministry of Environment (MOE) as the “Korea-CO2 Storage Environmental Management (K-COSEM) Research Program (Project No. 2014001810002)”. This paper was written as part of Konkuk University's research support program for its faculty on sabbatical leave in 2016. Publisher Copyright: {\textcopyright} 2017 Elsevier B.V.",

year = "2018",

month = mar,

day = "15",

doi = "10.1016/j.jhazmat.2017.11.032",

language = "English",

volume = "346",

pages = "93--102",

journal = "Journal of hazardous materials",

issn = "0304-3894",

publisher = "Elsevier",

}

TY - JOUR

T1 - Effects of silver-graphene oxide nanocomposites on soil microbial communities

AU - Kim, Min Ji

AU - Ko, Daegeun

AU - Ko, Kwanyoung

AU - Kim, Dawon

AU - Lee, Ji Yeon

AU - Woo, Sang Myeong

AU - Kim, Woong

AU - Chung, Haegeun

N1 - Funding Information: This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) grant funded by the Ministry of Education ( 2016R1D1A1B03931560 ) and by the Korea Ministry of Environment (MOE) as the “Korea-CO 2 Storage Environmental Management (K-COSEM) Research Program (Project No. 2014001810002)”. This paper was written as part of Konkuk University's research support program for its faculty on sabbatical leave in 2016. Funding Information: This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) grant funded by the Ministry of Education (2016R1D1A1B03931560) and by the Korea Ministry of Environment (MOE) as the “Korea-CO2 Storage Environmental Management (K-COSEM) Research Program (Project No. 2014001810002)”. This paper was written as part of Konkuk University's research support program for its faculty on sabbatical leave in 2016. Publisher Copyright: © 2017 Elsevier B.V.

PY - 2018/3/15

Y1 - 2018/3/15

N2 - Due to the application of silver-graphene oxide (Ag-GO) in diverse fields, it is important to investigate its potential impacts on the environment including soils. In this study, the response of microbial communities in soils treated with Ag-GO synthesized by glucose reduction was determined by analyzing enzyme activities, biomass, and inorganic N concentrations and by pyrosequencing. In soils treated with 0.1–1 mg Ag-GO g−1 soil, the activities of β-glucosidase, cellobiohydrolase, and xylosidase decreased up to 80% and NO3 − concentration decreased up to 82% indicating inhibited nitrification. Within the bacterial community, the relative abundance of Acidobacteria and Cyanobacteria in soils treated with Ag-GO were lower than that in control soil. Meanwhile, the relative abundance of AD3 and Firmicutes tended to increase under Ag-GO treatments. These changes in bacterial community composition reflected lowered activities associated with C and N cycling. On the other hand, microbial biomass showed no distinct change in response to Ag-GO treatment. Our study can serve as important basis in establishing guidelines for regulating the release of nanocomposites such as Ag-GO to the soil environment.

AB - Due to the application of silver-graphene oxide (Ag-GO) in diverse fields, it is important to investigate its potential impacts on the environment including soils. In this study, the response of microbial communities in soils treated with Ag-GO synthesized by glucose reduction was determined by analyzing enzyme activities, biomass, and inorganic N concentrations and by pyrosequencing. In soils treated with 0.1–1 mg Ag-GO g−1 soil, the activities of β-glucosidase, cellobiohydrolase, and xylosidase decreased up to 80% and NO3 − concentration decreased up to 82% indicating inhibited nitrification. Within the bacterial community, the relative abundance of Acidobacteria and Cyanobacteria in soils treated with Ag-GO were lower than that in control soil. Meanwhile, the relative abundance of AD3 and Firmicutes tended to increase under Ag-GO treatments. These changes in bacterial community composition reflected lowered activities associated with C and N cycling. On the other hand, microbial biomass showed no distinct change in response to Ag-GO treatment. Our study can serve as important basis in establishing guidelines for regulating the release of nanocomposites such as Ag-GO to the soil environment.

KW - Microbial biomass

KW - Nanomaterial

KW - Pyrosequencing

KW - Soil enzyme

KW - Soil incubation

UR - http://www.scopus.com/inward/record.url?scp=85038002686&partnerID=8YFLogxK

U2 - 10.1016/j.jhazmat.2017.11.032

DO - 10.1016/j.jhazmat.2017.11.032

M3 - Article

C2 - 29248800

AN - SCOPUS:85038002686

SN - 0304-3894

VL - 346

SP - 93

EP - 102

JO - Journal of hazardous materials

JF - Journal of hazardous materials

ER -

Effects of silver-graphene oxide nanocomposites on soil microbial communities

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this