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Total Phenolic Contents and Biological Activities of Korean Seaweed Extracts
Crude extracts of thirty seaweeds collected in Korea were obtained using 50% ethanol, and total phenolic contents and antioxidant activities were compared. Two brown algae, Ecklonia cava (E. cava)Expand
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Recruitment of the subtropical coral Alveopora japonica in the temperate waters of Jeju Island, South Korea
The zooxanthellate scleractinian coral, Alveopora japonica Eguchi, 1968, inhabits high-latitude waters from southern Taiwan to mainland Japan. This species may have benefited from recent increase inExpand
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Changes in gene expression profile of medaka with acute toxicity of Arochlor 1260, a polychlorinated biphenyl mixture.
Differential gene expression profiling was performed with a cDNA microarray in the liver tissue of the medaka fish, Oryzias latipes, after exposure to Arochlor 1260, a polychlorinated biphenyl (PCB)Expand
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Effects of heavy metals on antioxidants and stress-responsive gene expression in Javanese medaka (Oryzias javanicus).
The differential expression of eight genes encoding stressor biomarkers was investigated by real-time quantitative PCR in liver tissue extracted from Javanese medaka after exposure to six heavyExpand
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Transcripts level responses in a marine medaka (Oryzias javanicus) exposed to organophosphorus pesticide.
The differential expression of a set of genes encoding antioxidant enzymes and stress-responsive proteins was investigated by real-time quantitative PCR in intestine, liver, and muscle tissuesExpand
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Comet assay for the detection of genotoxicity in blood cells of flounder (Paralichthys olivaceus) exposed to sediments and polycyclic aromatic hydrocarbons.
To investigate the genotoxic effect of marine sediments on aquatic organism, sediment samples were collected from 13 sites along the coast of Gwangyang Bay (Korea). Concentrations of polycyclicExpand
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Molecular toxicity identification evaluation (mTIE) approach predicts chemical exposure in Daphnia magna.
Daphnia magna is a bioindicator organism accepted by several international water quality regulatory agencies. Current approaches for assessment of water quality rely on acute and chronic toxicityExpand
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Biomarker responses in caged rockfish (Sebastes schlegeli) from Masan Bay and Haegeumgang, South Korea.
The purpose of this study was to compare enzymatic biomarker activities in fish caged at two sites, Masan Bay (contaminated) and Haeguemgang (reference). In the present study, ethoxyresorufinExpand
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Toxaphene affects the levels of mRNA transcripts that encode antioxidant enzymes in Hydra.
We evaluated toxaphene-induced acute toxicity in Hydra magnipapillata. The median lethal concentrations of the animals (LC(50)) were determined to be 34.5 mg/L, 25.0 mg/L and 12.0 mg/L after exposureExpand
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Hydra, a candidate for an alternative model in environmental genomics
The need for nonmammalian and nonvertebrate experimental systems for toxicology is increasing because of growing concern about animal welfare. Hydra, a genus of freshwater cnidarian, has been used inExpand
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