Articles with "aoa" as a keyword



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Temporal and spatial distribution of ammonia-oxidizing organisms of two types of wetlands in Northeast China

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Published in 2018 at "Applied Microbiology and Biotechnology"

DOI: 10.1007/s00253-018-9152-9

Abstract: Ammonia-oxidizing archaea (AOA) and ammonia-oxidizing bacteria (AOB) contribute significantly to the nitrogen cycle. The community structure of AOA and AOB is diverse in the different wetlands. Few studies have comparatively investigated the community structure and… read more here.

Keywords: aoa aob; aoa; sanjiang wetland; ammonia oxidizing ... See more keywords
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Dynamics of ammonia oxidizers in response to different fertilization inputs in intensively managed agricultural soils

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Published in 2021 at "Applied Soil Ecology"

DOI: 10.1016/j.apsoil.2020.103729

Abstract: Abstract Ammonia oxidation, the rate-limiting step of autotrophic nitrification, is carried out by ammonia-oxidizing archaea (AOA) and bacteria (AOB) that differ in their physiology and metabolic pathways. However, there has been little field investigations on… read more here.

Keywords: fertilization; fertilizer; aoa; ammonia oxidizers ... See more keywords
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In vitro antioxidant activity of thiazolidinone derivatives of 1,3-thiazole and 1,3,4-thiadiazole.

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Published in 2018 at "Chemico-biological interactions"

DOI: 10.1016/j.cbi.2018.03.013

Abstract: The initial steps in preclinical drug developing research concern the synthesis of new compounds for specific therapeutic use which needs to be confirmed by in vitro and then in vivo testing. Nine thiazolidinone derivatives (numerically… read more here.

Keywords: antioxidant activity; aoa; thiazolidinone; vitamin ... See more keywords
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Response of ammonia oxidizing archaea and bacteria to decabromodiphenyl ether and copper contamination in river sediments.

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Published in 2018 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2017.10.067

Abstract: Ammonia oxidation plays a fundamental role in river nitrogen cycling ecosystems, which is normally governed by both ammonia oxidizing archaea (AOA) and ammonia oxidizing bacteria (AOB). Co-contamination of typical emerging pollutant Polybrominated diphenyl ethers (PBDEs)… read more here.

Keywords: river; aoa; contamination; river sediments ... See more keywords
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Long- and short-chain AHLs affect AOA and AOB microbial community composition and ammonia oxidation rate in activated sludge.

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Published in 2019 at "Journal of environmental sciences"

DOI: 10.1016/j.jes.2018.06.022

Abstract: Quorum sensing (QS) regulation of the composition of ammonia-oxidising archaea (AOA) and ammonia-oxidising bacteria (AOB) communities and functions in wastewater treatment was investigated. Specifically, we explored the role of N-acyl-l-homoserine lactones (AHLs) in microbial community… read more here.

Keywords: composition ammonia; microbial community; community; aoa ... See more keywords
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Assisted oocyte activation does not overcome recurrent embryo developmental problems.

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Published in 2023 at "Human reproduction"

DOI: 10.1093/humrep/dead051

Abstract: STUDY QUESTION Can recurrent embryo developmental problems after ICSI be overcome by assisted oocyte activation (AOA)? SUMMARY ANSWER AOA did not improve blastocyst formation in our patient cohort with recurrent embryo developmental problems after ICSI.… read more here.

Keywords: fertilization; development; embryo developmental; aoa ... See more keywords

Total fertilization failure after ICSI: insights into pathophysiology, diagnosis, and management through artificial oocyte activation.

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Published in 2023 at "Human reproduction update"

DOI: 10.1093/humupd/dmad007

Abstract: BACKGROUND Total fertilization failure (TFF) is the failure of all metaphase II oocytes to fertilize in ART cycles. The phenomenon represents a known cause of infertility, affecting 1-3% of ICSI cycles. Oocyte activation deficiency (OAD)… read more here.

Keywords: oocyte activation; fertilization failure; failure; aoa ... See more keywords
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On the Performance of AoA–Based Localization in 5G Ultra–Dense Networks

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Published in 2019 at "IEEE Access"

DOI: 10.1109/access.2019.2903633

Abstract: Cellular systems are undergoing a transformation toward the fifth generation (5G). Envisioned applications in 5G include intelligent transport system (ITS), autonomous vehicles, and robots as a part of future roads, factories, and society. These applications… read more here.

Keywords: based localization; aoa based; performance aoa; aoa ... See more keywords
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Recursive ESPRIT Algorithm for Multi-User OAM Low-Overhead AoA Estimation

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Published in 2023 at "IEEE Transactions on Vehicular Technology"

DOI: 10.1109/tvt.2022.3212109

Abstract: Multi-user orbital angular momentum (MU-OAM) wireless backhaul systems require precise alignment of transmitted and received OAM beams in line-of-sight (LoS) scenarios. Therefore, a crucial feature for a macro base station (MBS) is to accurately obtain… read more here.

Keywords: esprit algorithm; multi user; aoa estimation; oam ... See more keywords
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Genomic adaptation to eutrophication of ammonia-oxidizing archaea in the Pearl River estuary.

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Published in 2019 at "Environmental microbiology"

DOI: 10.1111/1462-2920.14613

Abstract: Ammonia-oxidizing archaea (AOA) are ubiquitous in natural ecosystems, and they are responsible for a significant fraction of ammonia oxidation globally. Since the first AOA isolate was established a decade ago, molecular surveys of their environmental… read more here.

Keywords: oxidizing archaea; aoa; river estuary; pearl river ... See more keywords
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Selective Enrichment of Nitrososphaera viennensis-Like Ammonia-Oxidizing Archaea over Ammonia-Oxidizing Bacteria from Drinking Water Biofilms

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Published in 2022 at "Microbiology Spectrum"

DOI: 10.1128/spectrum.01845-22

Abstract: Chloramination has been known to increase the risk of nitrification episodes in DWDS due to the presence of ammonia-oxidizing microorganisms. Among them, AOB are more frequently detected than AOA. ABSTRACT Ammonia-oxidizing archaea (AOA) can oxidize… read more here.

Keywords: drinking water; ammonia oxidizing; aoa; oxidizing bacteria ... See more keywords