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Article
Cyclic voltammetry of lipophilic compounds in oil: Direct determination of lipid peroxide with a carbon past electrode
In preliminary experiments, we demonstrated that a cyclic voltammogram of a lipophilic compound can be conveniently obtained with the past electrode that was made from graphite powder and an oil in which the c...
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Article
Open AccessCommunity analysis of betaproteobacterial ammonia-oxidizing bacteria using the amoCAB operon
The genes and intergenic regions of the amoCAB operon were analyzed to establish their potential as molecular markers for analyzing ammonia-oxidizing betaproteobacterial (beta-AOB) communities. Initially, sequenc...
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Article
Open AccessPhylogenetic and functional marker genes to study ammonia-oxidizing microorganisms (AOM) in the environment
The oxidation of ammonia plays a significant role in the transformation of fixed nitrogen in the global nitrogen cycle. Autotrophic ammonia oxidation is known in three groups of microorganisms. Aerobic ammonia...
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Article
Distribution of denitrifying bacterial communities in the stratified water column and sediment–water interface in two freshwater lakes and the Baltic Sea
We have studied the distribution and community composition of denitrifying bacteria in the stratified water column and at the sediment–water interface in lakes Plußsee and Schöhsee, and a near-shore site in th...
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Article
Comparative approach to capture bacterial diversity of coastal waters
Despite the revolutionary advancements in DNA sequencing technology and cultivation techniques, few studies have been done to directly compare these methods. In this study, a 16S rRNA gene-based, integrative a...
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Article
Bacterial diversity in ornithogenic soils compared to mineral soils on King George Island, Antarctica
In the Narębski Point area of King George Island of Antarctica, ornithogenic soils form on land under Chinstrap and Gentoo Penguin rookeries. The purpose of this study was to compare the bacterial community co...
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Article
Open AccessTumorigenicity Evaluation of Umbilical Cord Blood-derived Mesenchymal Stem Cells
Mesenchymal stem cells (MSCs) have been identified in multiple types of tissue and exhibit characteristic self-renewal and multi-lineage differentiation abilities. However, the possibility of oncogenic transfo...
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Article
Open Access[18F]FET PET is a useful tool for treatment evaluation and prognosis prediction of anti-angiogenic drug in an orthotopic glioblastoma mouse model
O-2-18F-fluoroethyl-l-tyrosine ([18F]FET) has been widely used for glioblastomas (GBM) in clinical practice, although evaluation of its applicability in non-clinical research is still lacking. The objective of th...
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Article
Impact of anthropogenic inputs on Pb content of moss Sanionia uncinata (Hedw.) Loeske in King George Island, West Antarctica revealed by Pb isotopes
The accumulation of heavy metals in plant communities has been investigated in the maritime Antarctica but their sources are not clearly identified yet. Here we measured Pb isotope ratios in the mosses Sanionia u...
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Article
Glaciers as microbial habitats: current knowledge and implication
Glaciers, formed from the gradual accumulation of snow, can be continuous records representing past environments and recognized as a time capsule of our planetary evolution. Due to extremely harsh conditions, ...
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Article
Environmental Adaptation of Psychrophilic Bacteria Subtercola spp. Isolated from Various Cryospheric Habitats
Subtercola boreus K300T is a novel psychrophilic strain that was isolated from permanently cold groundwater in Finland and has also been found in several places in Antarctica including lake, soil, and rocks. We p...