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The greater roles of indigenous microorganisms in removing nitrobenzene from sediment compared with the exogenous

Xiangqun Chi, Yingying Zhang, Daosheng Wang, Feihua Wang, Wei Liang

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 1, doi: 10.1007/s11783-018-1016-0

Abstract: The feasibility of using -JS45 system in removing nitrobenzene from sediments was conducted. However, it was observed that nitrobenzene degraded rapidly and was removed completely within 20 days in native sediments, raising the possibility that indigenous microorganisms may play important roles in nitrobenzene degradation. Consequently, this study aimed to verify this possibility and investigate the potential nitrobenzene degraders among indigenous microorganisms in sediments. The abundance of inoculated strain JS45 and indigenous bacteria in sediments was quantified using real-time polymerase chain reaction. Furthermore, community structure of the indigenous bacteria was analyzed through high throughput sequencing based on Illumina MiSeq platform. The results showed that indigenous bacteria in native sediments were abundant, approximately 10 CFU/g dry weight, which is about six orders of magnitude higher than that in fertile soils. In addition, the levels of indigenous ( , , , and ) and ( , , , , and ) increased significantly during nitrobenzene removal. Their quantities sharply decreased after nitrobenzene was removed completely, except for and . Based on the results, it can be concluded that indigenous microorganisms including and can have great potential for removing nitrobenzene from sediments. Although . - JS45 system was set up in an attempt to eliminate nitrobenzene from sediments, and the system did not meet the expectation. The findings still provide valuable information on enhancing nitrobenzene removal by optimizing the sediment conditions for better growth of indigenous and .

Keywords： Community structure     Indigenous microorganisms     Nitrobenzene     Plant-microbe associated remediation     Sediment    

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Isolation of microbe for asymmetric reduction of prochiral aromatic ketone and its reaction characters

YANG Zhonghua, WANG Yu, WANG Guanghui, ZENG Rong, YAO Shanjing

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 4,   Pages 416-420 doi: 10.1007/s11705-007-0076-7

Abstract: Two microbe strains with excellent catalytic activity were obtained.

Keywords： excellent catalytic     prochiral aromatic     enantiomeric     -phenethyl     catalytic activity    

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An emerging market for groundwater remediation in China: Policies, statistics, and future outlook

Deyi Hou, Guanghe Li, Paul Nathanail

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 1, doi: 10.1007/s11783-018-1027-x

Abstract: There is a rapidly emerging and potentially huge market for the remediation of contaminated groundwaterThere is an urgent need to better understand the situation and to conduct groundwater remediation atThe Chinese government is investing heavily in the research and development for groundwater remediation, which is expected to greatly add to the quality and quantity of groundwater remediation projects in

Keywords： Groundwater pollution     Contaminated land     Groundwater remediation     Emerging market    

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Mitigation and remediation technologies for organic contaminated soils

Lizhong ZHU, Li LU, Dong ZHANG

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 4,   Pages 373-386 doi: 10.1007/s11783-010-0253-7

Abstract: Physical, chemical, and biological technologies have been employed for the mitigation and remediationThis paper reviews the progress of mitigation and remediation technologies for organic contaminated soilssuggests two different strategies for the mitigation of ‘slightly-contaminated’ agricultural soils and the remediation

Keywords： organic contaminated soil     mitigation     remediation     bioavailability    

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Microplastic and Nanoplastic Pollution: Characterization, Transport, Fate, and Remediation Strategies

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 1,   Pages 12-12 doi: 10.1007/s11783-021-1446-y

Abstract: recognized as a global sustainability priority to study and mitigate pollution of plastics and the associatedpublished during the last years related to the effects of MPs as well as with synergistic effects when associated
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Crk-associated substrate, vascular smooth muscle and hypertension

TANG Dale

Frontiers of Medicine 2008, Volume 2, Issue 4,   Pages 323-331 doi: 10.1007/s11684-008-0062-6

Abstract: Crk-associated substrate (CAS), the first discovered member of the adapter protein CAS family, has been

Keywords： Contraction stimulation     phosphatase-proline     molecular structure     discovered     hypertension    

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Applications of hollow nanomaterials in environmental remediation and monitoring: A review

Yuankai ZHANG,Zhijiang HE,Hongchen WANG,Lu QI,Guohua LIU,Xiaojun ZHANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 770-783 doi: 10.1007/s11783-015-0811-0

Abstract: Such properties have enabled the use of these materials for environmental remediation, such as in water/wastewater treatment, soil remediation, air purification, and substance monitoring, etc.

Keywords： hollow nanomaterials     environmental remediation     nanotechnology     nanostructures     morphology    

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USING NUTRITIONAL STRATEGIES TO MITIGATE RUMINAL METHANE EMISSIONS FROM RUMINANTS

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 3,   Pages 390-402 doi: 10.15302/J-FASE-2023504

Abstract:

● Microbial fermentation in the rumen is a main source of methane emissions.

Keywords： nutritional strategy     mitigation     microbe     methane     ruminant    

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Advances in Fe(III) bioreduction and its application prospect for groundwater remediation: A review

Yu Jiang, Beidou Xi, Rui Li, Mingxiao Li, Zheng Xu, Yuning Yang, Shaobo Gao

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 6, doi: 10.1007/s11783-019-1173-9

Abstract: Microbial Fe(III) reduction is closely related to the fate of pollutants. Bioavailability of crystalline Fe(III) oxide is restricted due to thermodynamics. Amorphous Fe(III) (hydro)oxides are more bioavailable. Enrichment and incubation of Fe(III) reducing bacteria are significant. Microbial Fe(III) reduction is a significant driving force for the biogeochemical cycles of C, O, P, S, N, and dominates the natural bio-purification of contaminants in groundwater (e.g., petroleum hydrocarbons, chlorinated ethane, and chromium). In this review, the mechanisms and environmental significance of Fe(III) (hydro)oxides bioreduction are summarized. Compared with crystalline Fe(III) (hydro)oxides, amorphous Fe(III) (hydro)oxides are more bioavailable. Ligand and electron shuttle both play an important role in microbial Fe(III) reduction. The restrictive factors of Fe(III) (hydro)oxides bioreduction should be further investigated to reveal the characteristics and mechanisms of the process. It will improve the bioavailability of crystalline Fe(III) (hydro)oxides and accelerate the anaerobic oxidation efficiency of the reduction state pollutants. Furthermore, the approach to extract, culture, and incubate the functional Fe(III) reducing bacteria from actual complicated environment, and applying it to the bioremediation of organic, ammonia, and heavy metals contaminated groundwater will become a research topic in the future. There are a broad application prospects of Fe(III) (hydro)oxides bioreduction to groundwater bioremediation, which includes the in situ injection and permeable reactive barriers and the innovative Kariz wells system. The study provides an important reference for the treatment of reduced pollutants in contaminated groundwater.

Keywords： Microbial Fe(III) reduction     Mechanism     Groundwater contamination     Remediation    

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Microbial remediation of aromatics-contaminated soil

Ying Xu, Ning-Yi Zhou

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 2, doi: 10.1007/s11783-017-0894-x

Abstract: Microbes combined with chemical or biological factors increase remediation efficiency.biological approach for the removal of soil contaminants, has several advantages over traditional soil remediationcompetent strains or consortia of microorganisms, is a widely applied bioremediation technology for soil remediationThus, microorganisms are major players in site remediation.several novel approaches, which microbes combined with physical, chemical or biological factors, increase remediation

Keywords： Aromatics-contaminated soil     Bacteria     Bioaugmentation     Bioremediation     Fungi    

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Stabilization-based soil remediation should consider long-term challenges

Zhengtao Shen, Zhen Li, Daniel S. Alessi

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 2, doi: 10.1007/s11783-018-1028-9

Abstract: Soil remediation is of increasing importance globally, especially in developing countries.Among available remediation options, stabilization, which aims to immobilize contaminants within soilSustainability is also an important factor affecting the long-term stability of site remediation.to consider these challenges to develop an optimized application of stabilization technology in soil remediation

Keywords： Stabilization     Soil remediation     Long-term     Trace metals    

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Nanosized magnetite in low cost materials for remediation of water polluted with toxic metals, azo- and

María Fernanda HORST,Verónica LASSALLE,María Luján FERREIRA

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 746-769 doi: 10.1007/s11783-015-0814-x

Abstract: Nanosized magnetite has emerged as an adsorbent of pollutants in water remediation.s formation as well as the interactions with heavy metals and dyes have been carefully analyzed and associated

Keywords： nanomagnetite     water remediation     toxic metals     dyes     supported magnetite    

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Fanconi anemia gene-associated germline predisposition in aplastic anemia and hematologic malignancies

Frontiers of Medicine 2022, Volume 16, Issue 3,   Pages 459-466 doi: 10.1007/s11684-021-0841-x

Abstract: Whether Fanconi anemia (FA) heterozygotes are predisposed to bone marrow failure and hematologic neoplasm is a crucial but unsettled issue in cancer prevention and family consulting. We retrospectively analyzed rare possibly significant variations (PSVs) in the five most obligated FA genes, BRCA2, FANCA, FANCC, FANCD2, and FANCG, in 788 patients with aplastic anemia (AA) and hematologic malignancy. Sixty-eight variants were identified in 66 patients (8.38%). FANCA was the most frequently mutated gene (n = 29), followed by BRCA2 (n = 20). Compared with that of the ExAC East Asian dataset, the overall frequency of rare PSVs was higher in our cohort (P = 0.016). BRCA2 PSVs showed higher frequency in acute lymphocytic leukemia (P = 0.038), and FANCA PSVs were significantly enriched in AA and AML subgroups (P = 0.020; P = 0.008). FA-PSV-positive MDS/AML patients had a higher tumor mutation burden, higher rate of cytogenetic abnormalities, less epigenetic regulation, and fewer spliceosome gene mutations than those of FA-PSV-negative MDS/AML patients (P = 0.024, P = 0.029, P = 0.024, and P = 0.013). The overall PSV enrichment in our cohort suggests that heterozygous mutations of FA genes contribute to hematopoietic failure and leukemogenesis.

Keywords： Fanconi anemia     aplastic anemia     hematologic malignancy     germline predisposition    

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Ecological conservation, remediation and construction for building an ecological civilization in China

Guofang SHEN

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 4,   Pages 376-379 doi: 10.15302/J-FASE-2017186

Abstract: differences between some ecological terms used in China such as ecological protection, conservation, remediation

Keywords： ecological conservation     development     construction ”     description     important governmental    

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Review on remediation technologies for arsenic-contaminated soil

Xiaoming Wan, Mei Lei, Tongbin Chen

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 2, doi: 10.1007/s11783-019-1203-7

Abstract: • Recent progress of As-contaminated soil remediation technologies is presented. • Phytoextractionsoil are still urgently needed. • Methods for evaluating soil remediation efficiency are lacking. •Future research directions for As-contaminated soil remediation are proposed.Combined utilization of multiple technologies is also common to improve remediation efficiency.Method development for evaluating soil remediation efficiency was also summarized.

Keywords： Arsenic     field-scale     Immobilization     Phytoextraction     Soil washing    

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Title Author Date Type Operation

The greater roles of indigenous microorganisms in removing nitrobenzene from sediment compared with the exogenous

Xiangqun Chi, Yingying Zhang, Daosheng Wang, Feihua Wang, Wei Liang

Journal Article

Isolation of microbe for asymmetric reduction of prochiral aromatic ketone and its reaction characters

YANG Zhonghua, WANG Yu, WANG Guanghui, ZENG Rong, YAO Shanjing

Journal Article

An emerging market for groundwater remediation in China: Policies, statistics, and future outlook

Deyi Hou, Guanghe Li, Paul Nathanail

Journal Article

Mitigation and remediation technologies for organic contaminated soils

Lizhong ZHU, Li LU, Dong ZHANG

Journal Article

Microplastic and Nanoplastic Pollution: Characterization, Transport, Fate, and Remediation Strategies

Journal Article

Crk-associated substrate, vascular smooth muscle and hypertension

TANG Dale

Journal Article

Applications of hollow nanomaterials in environmental remediation and monitoring: A review

Yuankai ZHANG,Zhijiang HE,Hongchen WANG,Lu QI,Guohua LIU,Xiaojun ZHANG

Journal Article

USING NUTRITIONAL STRATEGIES TO MITIGATE RUMINAL METHANE EMISSIONS FROM RUMINANTS

Journal Article

Advances in Fe(III) bioreduction and its application prospect for groundwater remediation: A review

Yu Jiang, Beidou Xi, Rui Li, Mingxiao Li, Zheng Xu, Yuning Yang, Shaobo Gao

Journal Article

Microbial remediation of aromatics-contaminated soil

Ying Xu, Ning-Yi Zhou

Journal Article

Stabilization-based soil remediation should consider long-term challenges

Zhengtao Shen, Zhen Li, Daniel S. Alessi

Journal Article

Nanosized magnetite in low cost materials for remediation of water polluted with toxic metals, azo- and

María Fernanda HORST,Verónica LASSALLE,María Luján FERREIRA

Journal Article

Fanconi anemia gene-associated germline predisposition in aplastic anemia and hematologic malignancies

Journal Article

Ecological conservation, remediation and construction for building an ecological civilization in China

Guofang SHEN

Journal Article

Review on remediation technologies for arsenic-contaminated soil

Xiaoming Wan, Mei Lei, Tongbin Chen

Journal Article