151
|
Huang L, Li Y, Zhao M, Chao Y, Qiu R, Yang Y, Wang S. Potential of Cassia alata L. Coupled with Biochar for Heavy Metal Stabilization in Multi-Metal Mine Tailings. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2018. [PMID: 29534505 PMCID: PMC5877039 DOI: 10.3390/ijerph15030494] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
To explore the effect of different biochars on Cassia alata L. growth and heavy metal immobilization in multi-metal mine tailings, a 100-day pot experiment was conducted. Three biochars derived from Hibiscus cannabinus core (HB), sewage sludge (SB) and chicken manure (MB), were added to mine tailings at rates of 0.4%, 1% and 3% (w/w). The results showed that the root biomass, shoot biomass, plant height and root length were 1.2-2.8, 1.7-3.2, 1-1.5 and 1.6-3.3 times of those in the control group, respectively. Pb, Zn, Cu, Cd and As contents in the shoot decreased by 63.9-89.5%, 46.9-66.0%, 32.7-62.4%, 40.4-76.4% and 54.9-77.5%, respectively. The biochar significantly increased the pH and decreased the mild acid-soluble Pb and Cu concentrations in the mine tailings. Specifically, SB immobilized Pb and Cu better than MB and HB did, although it did not immobilize As, Zn or Cd. Meanwhile, more attention should be paid to the potential As release as the biochar application rate increases. In conclusion, Cassia alata L. coupled with 3% of SB could be an effective measure for restoring multi-metal mine tailings. This study herein provided a promising ecological restoration technique for future practice of heavy metal stabilization in mine tailings.
Collapse
Affiliation(s)
- Lige Huang
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510275, China.
| | - Yuanyuan Li
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510275, China.
| | - Man Zhao
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510275, China.
| | - Yuanqing Chao
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510275, China.
- Guangdong Provincial Key Lab of Environmental Pollution Control and Remediation Technology, Guangzhou 510275, China.
- Guangdong Provincial Engineering Research Center for Heavy Metal Contaminated Soil Remediation, Guangzhou 510275, China.
| | - Rongliang Qiu
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510275, China.
- Guangdong Provincial Key Lab of Environmental Pollution Control and Remediation Technology, Guangzhou 510275, China.
- Guangdong Provincial Engineering Research Center for Heavy Metal Contaminated Soil Remediation, Guangzhou 510275, China.
| | - Yanhua Yang
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510275, China.
- Guangdong Provincial Key Lab of Environmental Pollution Control and Remediation Technology, Guangzhou 510275, China.
| | - Shizhong Wang
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510275, China.
- Guangdong Provincial Key Lab of Environmental Pollution Control and Remediation Technology, Guangzhou 510275, China.
- Guangdong Provincial Engineering Research Center for Heavy Metal Contaminated Soil Remediation, Guangzhou 510275, China.
| |
Collapse
|
152
|
“Gold rush” in modern science: Fabrication strategies and typical advanced applications of gold nanoparticles in sensing. Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2018.01.006] [Citation(s) in RCA: 207] [Impact Index Per Article: 34.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
|
153
|
Xue W, Huang D, Zeng G, Wan J, Zhang C, Xu R, Cheng M, Deng R. Nanoscale zero-valent iron coated with rhamnolipid as an effective stabilizer for immobilization of Cd and Pb in river sediments. JOURNAL OF HAZARDOUS MATERIALS 2018; 341:381-389. [PMID: 28806558 DOI: 10.1016/j.jhazmat.2017.06.028] [Citation(s) in RCA: 151] [Impact Index Per Article: 25.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2017] [Revised: 06/13/2017] [Accepted: 06/14/2017] [Indexed: 06/07/2023]
Abstract
Nanoremediation strategies applied to contaminated river sediments can induce changes in the mobility and bioavailability of metals with potential consequences on ecosystem health. In this study, the performance of rhamnolipid (RL) coated nanoscale zero-valent iron (NZVI) in immobilizing cadmium (Cd) and lead (Pb) from contaminated river sediments was investigated. We demonstrated that RNZVI was effective in transforming labile Cd and Pb to stable fraction (the maximum residual percentage of Cd and Pb increased by 56.40% and 43.10% after 42days of incubation, respectively), with the decrease of the mobility of metals. The increase of pH in NZVI and RNZVI treated sediment samples indicated the related mechanism for Cd and Pb immobilization. The contents of organic matter (OM) were higher than in control, with the initial addition of RL during 7days incubation, and then the contents gradually decreased and became stable, maybe resulting from the enhancement of the activity of microorganisms and the decomposition of OM. Urease and catalase activities were enhanced with the increase of incubation time, showing certain degrees of recovery in sediment metabolic function. This work provides a new insight into the potential effects of RNZVI applications on the Cd and Pb immobilization in contaminated river sediments.
Collapse
Affiliation(s)
- Wenjing Xue
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Hunan University, Changsha, 410082, PR China
| | - Danlian Huang
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Hunan University, Changsha, 410082, PR China.
| | - Guangming Zeng
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Hunan University, Changsha, 410082, PR China
| | - Jia Wan
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Hunan University, Changsha, 410082, PR China
| | - Chen Zhang
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Hunan University, Changsha, 410082, PR China
| | - Rui Xu
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Hunan University, Changsha, 410082, PR China
| | - Min Cheng
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Hunan University, Changsha, 410082, PR China
| | - Rui Deng
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Hunan University, Changsha, 410082, PR China
| |
Collapse
|
154
|
Yang Z, Liu L, Lv Y, Cheng Z, Xu X, Xian J, Zhu X, Yang Y. Metal availability, soil nutrient, and enzyme activity in response to application of organic amendments in Cd-contaminated soil. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:2425-2435. [PMID: 29124646 DOI: 10.1007/s11356-017-0671-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Accepted: 10/31/2017] [Indexed: 06/07/2023]
Abstract
The study investigated the effects of organic amendments: green tea amendment (GTA) and oil cake amendment (OCA) on Cd bioavailability, soil nutrients, and soil enzyme activity in Cd-contaminated soil. The amendments were added to the soil at the doses of 1, 3, and 5% and were incubated for 45 days. Then, pakchoi cabbage was planted to test the remediation effect of the above two organic amendments. The diethylenetriaminepentaacetic acid (DTPA)-extractable Cd in GTA and OCA treatments was reduced by 14.69-27.51 and 13.75-68.77%, respectively, compared to no amendment-applied treatment. The application of GTA and OCA notably decreased the proportion of exchangeable fraction of Cd, but increased the percentage of oxide and organic-bound fraction of Cd, thereby suppressing the uptake by pakchoi cabbage. Cd concentration of aboveground parts decreased by 8.21-18.05 and 7.77-35.89% in GTA and OCA treatments, respectively. Relative to the no amendment-applied treatment, both GTA and OCA had enhanced soil nutrients and enzyme activities largely. Redundancy analysis showed that organic matter, total P, available N, and DTPA-extractable Cd significantly affected the enzyme activities. Furthermore, the application of OCA at the dose of 5% was more effective in reducing bioavailable Cd, enhancing soil available nutrients and urease and catalase activities in contaminated soil. These results indicated that oil cake should be used to immobilize metal and improve fertility and quality of Cd-contaminated soil.
Collapse
Affiliation(s)
- Zhanbiao Yang
- College of Environment, Sichuan Agricultural University, Chengdu, 611130, China.
| | - Lixia Liu
- College of Environment, Sichuan Agricultural University, Chengdu, 611130, China
- Department of Environment, College of Architecture and Environment, Sichuan University, Chengdu, 610065, China
| | - Yanfeng Lv
- College of Environment, Sichuan Agricultural University, Chengdu, 611130, China
| | - Zhang Cheng
- College of Environment, Sichuan Agricultural University, Chengdu, 611130, China
| | - Xiaoxun Xu
- College of Environment, Sichuan Agricultural University, Chengdu, 611130, China
| | - Junren Xian
- College of Environment, Sichuan Agricultural University, Chengdu, 611130, China
| | - Xuemei Zhu
- College of Environment, Sichuan Agricultural University, Chengdu, 611130, China
| | - Yuanxiang Yang
- College of Environment, Sichuan Agricultural University, Chengdu, 611130, China
| |
Collapse
|
155
|
Ho SH, Chen YD, Yang ZK, Nagarajan D, Chang JS, Ren NQ. High-efficiency removal of lead from wastewater by biochar derived from anaerobic digestion sludge. BIORESOURCE TECHNOLOGY 2017; 246:142-149. [PMID: 28811160 DOI: 10.1016/j.biortech.2017.08.025] [Citation(s) in RCA: 118] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Revised: 08/03/2017] [Accepted: 08/05/2017] [Indexed: 06/07/2023]
Abstract
The properties of biochar derived from waste activated sludge and anaerobic digestion sludge under pyrolysis temperature varying from 400°C to 800°C were investigated. The heavy metals adsorption efficiency of the sludge-derived biochar was also examined. Among the biochar samples tested, ADSBC600 possessing highly porous structure, special surface chemical behaviors and high thermal stability was found to remove Pb2+ from aqueous solutions efficiently with an adsorption capacity of 51.20mg/g. The Pb2+ adsorption kinetics and isotherm for ADSBC600 can be described using the pseudo second-order model and Langmuir isotherm, respectively. Analysis of the characteristics of biochar before and after metal treatment suggests that electrostatic attraction, precipitation, surface complexation and ion exchange are the possible Pb2+ removal mechanisms. This study demonstrates a successful example of waste refinery by converting anaerobic digestion sludge to feasible heavy metal adsorbents to implement the concept of circular economy.
Collapse
Affiliation(s)
- Shih-Hsin Ho
- State Key Laboratory of Urban Water Resource and Environment, School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, PR China
| | - Yi-di Chen
- State Key Laboratory of Urban Water Resource and Environment, School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, PR China
| | - Zhong-Kai Yang
- State Key Laboratory of Urban Water Resource and Environment, School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, PR China
| | - Dillirani Nagarajan
- Department of Chemical Engineering, National Cheng Kung University, Tainan, Taiwan; Department of Chemical Engineering, National Taiwan University, Taipei, Taiwan
| | - Jo-Shu Chang
- State Key Laboratory of Urban Water Resource and Environment, School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, PR China; Department of Chemical Engineering, National Cheng Kung University, Tainan, Taiwan; Research Center for Energy Technology and Strategy, National Cheng Kung University, Tainan, Taiwan
| | - Nan-Qi Ren
- State Key Laboratory of Urban Water Resource and Environment, School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, PR China.
| |
Collapse
|
156
|
Huang C, Zeng G, Huang D, Lai C, Xu P, Zhang C, Cheng M, Wan J, Hu L, Zhang Y. Effect of Phanerochaete chrysosporium inoculation on bacterial community and metal stabilization in lead-contaminated agricultural waste composting. BIORESOURCE TECHNOLOGY 2017; 243:294-303. [PMID: 28683381 DOI: 10.1016/j.biortech.2017.06.124] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Revised: 06/19/2017] [Accepted: 06/22/2017] [Indexed: 06/07/2023]
Abstract
The effects of Phanerochaete chrysosporium inoculation on bacterial community and lead (Pb) stabilization in composting of Pb-contaminated agricultural waste were studied. It was found that the bioavailable Pb was transformed to stable Pb after composting with inoculum of P. chrysosporium. Pearson correlation analysis revealed that total organic carbon (TOC) and carbon/nitrogen (C/N) ratio significantly (P<0.05) influenced the distribution of Pb fractions. The richness and diversity of bacterial community were reduced under Pb stress and increased after inoculation with P. chrysosporium. Redundancy analysis indicated that C/N ratio, total organic matter, temperature and soluble-exchangeable Pb were the significant parameters to affect the bacterial community structure, solely explained 14.7%, 11.1%, 10.4% and 8.3% of the variation in bacterial community composition, respectively. In addition, the main bacterial species, being related to organic matter degradation and Pb stabilization, were found. These findings will provide useful information for composting of heavy metal-contaminated organic wastes.
Collapse
Affiliation(s)
- Chao Huang
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, China; Key Laboratory of Environmental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha 410082, China
| | - Guangming Zeng
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, China; Key Laboratory of Environmental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha 410082, China.
| | - Danlian Huang
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, China; Key Laboratory of Environmental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha 410082, China
| | - Cui Lai
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, China; Key Laboratory of Environmental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha 410082, China
| | - Piao Xu
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, China; Key Laboratory of Environmental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha 410082, China
| | - Chen Zhang
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, China; Key Laboratory of Environmental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha 410082, China
| | - Min Cheng
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, China; Key Laboratory of Environmental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha 410082, China
| | - Jia Wan
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, China; Key Laboratory of Environmental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha 410082, China
| | - Liang Hu
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, China; Key Laboratory of Environmental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha 410082, China
| | - Yi Zhang
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, China; Key Laboratory of Environmental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha 410082, China
| |
Collapse
|
157
|
Huang C, Lai C, Xu P, Zeng G, Huang D, Zhang J, Zhang C, Cheng M, Wan J, Wang R. Lead-induced oxidative stress and antioxidant response provide insight into the tolerance of Phanerochaete chrysosporium to lead exposure. CHEMOSPHERE 2017; 187:70-77. [PMID: 28841433 DOI: 10.1016/j.chemosphere.2017.08.104] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Revised: 08/14/2017] [Accepted: 08/19/2017] [Indexed: 06/07/2023]
Abstract
The present work investigated the effect of lead (Pb) on the growth, metal accumulation, oxidative stress, and antioxidant response in Phanerochaete chrysosporium, which is a well-known hyperaccumulating species for heavy metal with appreciable bioaccumulation capacity. Results revealed that P. chrysosporium exhibited a good ability in Pb accumulation and tolerance over a concentration range of 50-100 mg L-1 Pb. The removal rate of Pb decreased with the increasing levels of Pb and reached a maximum of 91.3% at 50 mg L-1. Both extracellular adsorption and intracellular bioaccumulation contributed to the removal of Pb, with the maximum of 123.8 mg g-1 and 162.5 mg g-1 dry weight, respectively. Pb may exert its toxicity to P. chrysosporium by impairing oxidative metabolism, as evidenced by the enhanced accumulation of hydrogen peroxide (H2O2) and lipid peroxidation product malonaldehyde (MDA). P. chrysosporium evolved an antioxidant system by elevating the activity of superoxide dismutase (SOD) and the level of reduced glutathione (GSH) in response to Pb stress, whereas decreasing the activities of catalase (CAT) and peroxidase (POD). Moreover, Pearson correlation analysis demonstrated a good correlation between oxidative stress biomarkers and enzymatic antioxidants. The preset work suggested that P. chrysosporium exhibited an outstanding accumulation of Pb and tolerance of Pb-induced oxidative stress by the effective antioxidant defense mechanism.
Collapse
Affiliation(s)
- Chao Huang
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, China; Key Laboratory of Environmental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha, 410082, China
| | - Cui Lai
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, China; Key Laboratory of Environmental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha, 410082, China
| | - Piao Xu
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, China; Key Laboratory of Environmental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha, 410082, China
| | - Guangming Zeng
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, China; Key Laboratory of Environmental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha, 410082, China.
| | - Danlian Huang
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, China; Key Laboratory of Environmental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha, 410082, China.
| | - Jiachao Zhang
- College of Resources and Environment, Hunan Agricultural University, Changsha, 410128, China
| | - Chen Zhang
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, China; Key Laboratory of Environmental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha, 410082, China
| | - Min Cheng
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, China; Key Laboratory of Environmental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha, 410082, China
| | - Jia Wan
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, China; Key Laboratory of Environmental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha, 410082, China
| | - Rongzhong Wang
- College of Environmental Science and Engineering, Hunan University, Changsha, 410082, China; Key Laboratory of Environmental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha, 410082, China
| |
Collapse
|
158
|
Huang D, Guo X, Peng Z, Zeng G, Xu P, Gong X, Deng R, Xue W, Wang R, Yi H, Liu C. White rot fungi and advanced combined biotechnology with nanomaterials: promising tools for endocrine-disrupting compounds biotransformation. Crit Rev Biotechnol 2017; 38:671-689. [PMID: 29082760 DOI: 10.1080/07388551.2017.1386613] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
Abstract
Endocrine-disrupting compounds (EDCs) can interfere with endocrine systems and bio-accumulate through the food chain and even decrease biodiversity in contaminated areas. This review discusses a critical overview of recent research progress in the biotransformation of EDCs (including polychlorinated biphenyl and nonylphenol, and suspected EDCs such as heavy metals and sulfonamide antibiotics) by white rot fungi (WRF) based on techniques with an emphasis on summarizing and analyzing fungal molecular, metabolic and genetic mechanisms. Not only intracellular metabolism which seems to perform essential roles in the ability of WRF to transform EDCs, but also advanced applications are deeply discussed. This review mainly reveals the removal pathway of heavy metal and antibiotic pollutants because the single pollution almost did not exist in a real environment while the combined pollution has become more serious and close to people's life. The trends in WRF technology and its related advanced applications which use the combined technology, including biocatalysis of WRF and adsorption of nanomaterials, to degrade EDCs have also been introduced. Furthermore, challenges and future research needs EDCs biotransformation by WRF are also discussed. This research, referring to metabolic mechanisms and the combined technology of WRF with nanomaterials, undoubtedly contributes to the applications of biotechnology. This review will be of great benefit to an understanding of the trends in biotechnology for the removal of EDCs.
Collapse
Affiliation(s)
- Danlian Huang
- a College of Environmental Science and Engineering, Hunan University , Changsha , China.,b Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha , China
| | - Xueying Guo
- a College of Environmental Science and Engineering, Hunan University , Changsha , China.,b Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha , China
| | - Zhiwei Peng
- a College of Environmental Science and Engineering, Hunan University , Changsha , China.,b Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha , China
| | - Guangming Zeng
- a College of Environmental Science and Engineering, Hunan University , Changsha , China.,b Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha , China
| | - Piao Xu
- a College of Environmental Science and Engineering, Hunan University , Changsha , China.,b Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha , China
| | - Xiaomin Gong
- a College of Environmental Science and Engineering, Hunan University , Changsha , China.,b Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha , China
| | - Rui Deng
- a College of Environmental Science and Engineering, Hunan University , Changsha , China.,b Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha , China
| | - Wenjing Xue
- a College of Environmental Science and Engineering, Hunan University , Changsha , China.,b Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha , China
| | - Rongzhong Wang
- a College of Environmental Science and Engineering, Hunan University , Changsha , China.,b Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha , China
| | - Huan Yi
- a College of Environmental Science and Engineering, Hunan University , Changsha , China.,b Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha , China
| | - Caihong Liu
- a College of Environmental Science and Engineering, Hunan University , Changsha , China.,b Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha , China
| |
Collapse
|
159
|
Gong X, Huang D, Liu Y, Zeng G, Wang R, Wan J, Zhang C, Cheng M, Qin X, Xue W. Stabilized Nanoscale Zerovalent Iron Mediated Cadmium Accumulation and Oxidative Damage of Boehmeria nivea (L.) Gaudich Cultivated in Cadmium Contaminated Sediments. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2017; 51:11308-11316. [PMID: 28850225 DOI: 10.1021/acs.est.7b03164] [Citation(s) in RCA: 154] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
Nanoparticles can be absorbed by plants, but their impacts on phytoremediation are not yet well understood. This study was carried out to determine the impacts of starch stabilized nanoscale zerovalent iron (S-nZVI) on the cadmium (Cd) accumulation and the oxidative stress in Boehmeria nivea (L.) Gaudich (ramie). Plants were cultivated in Cd-contaminated sediments amended with S-nZVI at 100, 500, and 1000 mg/kg, respectively. Results showed that S-nZVI promoted Cd accumulation in ramie seedlings. The subcellular distribution result showed that Cd content in cell wall of plants reduced, and its concentration in cell organelle and soluble fractions increased at S-nZVI treatments, indicating the promotion of Cd entering plant cells by S-nZVI. In addition, the 100 mg/kg S-nZVI alleviated the oxidative damage to ramie under Cd-stress, while 500 and 1000 mg/kg S-nZVI inhibited plant growth and aggravated the oxidative damage to plants. These findings demonstrate that nanoparticles at low concentration can improve the efficiency of phytoremediation. This study herein develops a promising novel technique by the combined use of nanotechnology and phytoremediation in the remediation of heavy metal contaminated sites.
Collapse
Affiliation(s)
- Xiaomin Gong
- College of Environmental Science and Engineering, Hunan University , Changsha 410082, China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha 410082, China
| | - Danlian Huang
- College of Environmental Science and Engineering, Hunan University , Changsha 410082, China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha 410082, China
| | - Yunguo Liu
- College of Environmental Science and Engineering, Hunan University , Changsha 410082, China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha 410082, China
| | - Guangming Zeng
- College of Environmental Science and Engineering, Hunan University , Changsha 410082, China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha 410082, China
| | - Rongzhong Wang
- College of Environmental Science and Engineering, Hunan University , Changsha 410082, China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha 410082, China
| | - Jia Wan
- College of Environmental Science and Engineering, Hunan University , Changsha 410082, China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha 410082, China
| | - Chen Zhang
- College of Environmental Science and Engineering, Hunan University , Changsha 410082, China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha 410082, China
| | - Min Cheng
- College of Environmental Science and Engineering, Hunan University , Changsha 410082, China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha 410082, China
| | - Xiang Qin
- College of Environmental Science and Engineering, Hunan University , Changsha 410082, China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha 410082, China
| | - Wenjing Xue
- College of Environmental Science and Engineering, Hunan University , Changsha 410082, China
- Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education , Changsha 410082, China
| |
Collapse
|