19 Result(s)
within
Jong-Min Oh
Ecotoxicology
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Article
Piperazine-substituted chalcones: a new class of MAO-B, AChE, and BACE-1 inhibitors for the treatment of neurological disorders
Eleven piperazine-containing 1,3-diphenylprop-2-en-1-one derivatives (PC1-PC11) were evaluated for their inhibitory activities against monoamine oxidases (MAOs), cholinesterases (ChEs), and β-site amyloid precurs...
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Article
Metal Concentrations in Eurasian Eagle Owl Pellets as a Function of Reproductive Variables in Korea
Eight metals were analyzed in the pellet of Eurasian eagle owls (Bubo bubo) breeding in Korea: Paju, Ganghwa, Gimpo, and Sihwa, Gyeonggi-do (N = 15, respectively). Except for cadmium (Cd), concentrations of all m...
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Article
Concentrations of Trace Elements in Adult and Nestling Black-Tailed Gulls (Larus crassirostris)
Trace element concentrations (Cd, Pb, Cr, Al, Cu, Mn, Zn and Fe) were measured in the liver of black-tailed gull (Larus crassirostris) adults (n = 10) and nestlings (n = 10) collected at Chilsando Island, Jellana...
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Article
Assessment of Trace Element Concentrations in Birds of Prey in Korea
This study presents liver concentrations of trace elements of cinereous vultures (Aegypius monachus), common buzzards (Buteo buteo), common kestrels (Falco tinnunculus), and Eurasian eagle owls (Bubo bubo) collec...
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Article
Comparison of Trace Element Concentrations Between Chick and Adult Black-Tailed Gulls (Larus crassirostris)
Trace elements were measured in the feathers of black-tailed gull chicks (n = 10) and adults (n = 10) collected at Chilsando Is., Jeollanam-do, Korea, in June 2011. Pb, Mn and Fe were significantly greater in...
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Article
Trace element contamination in nestling black-tailed gulls (Larus crassirostris) in Korea
At Hongdo Island, Gyeongsangnam-do, Korea, a breeding site of black-tailed gull (Larus crassirostris), we collected nestlings from two locations: a “reference” site (n = 10) with no known source of lead contamina...
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Article
Tissue Distribution of Heavy Metals in Heron and Egret Chicks from Pyeongtaek, Korea
Iron, zinc, manganese, lead and cadmium were measured in the liver, kidney and bone of Grey Heron (Ardea cinerea), Intermediate Egret (Egretta intermedia), Little Egret (Egretta garzetta) and Black-crowned Night ...
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Article
Concentrations of Cd, Pb, Mn and Zn in Feathers and Diet in Heron Chicks in Korea
The feathers and diet items of grey heron (Ardea cinerea) and black-crowned night-heron (Nycticorax nycticorax) chicks were collected at the Pyeongtaek colony, Korea in 2002 and 2008, and Cd, Pb, Mn and Zn concen...
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Article
Concentration of trace elements in feathers of waterfowl, Korea
Cadmium (Cd), lead (Pb), chromium (Cr), copper (Cu), manganese (Mn), zinc (Zn), and iron (Fe) were analyzed in the breast feather of white-fronted geese (Anser albifrons, n = 15), mallards (Anas platyrhynchos, n ...
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Article
Comparison of trace element concentrations in grey heron and black-crowned night heron chicks
Cadmium (Cd), lead (Pb), manganese (Mn), zinc (Zn), and iron (Fe) concentrations were measured in the prey and liver of grey heron (Ardea cinerea) and black-crowned night heron (Nycticorax nycticorax) chicks (24–...
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Article
Assessment of Lead Exposure in Waterfowl Species, Korea
Lead concentrations were analyzed in white-fronted geese (Anser albifrons, n = 15), mallards (Anas platyrhynchos, n = 4), and spot-billed ducks (A. poecilorhyncha, n = 13) found dead near Gimpo, Korea, to determ...
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Article
Trace element concentrations in eggshells and egg contents of black-tailed gull (Larus crassirostris) from Korea
Concentrations of trace elements (cadmium, lead, copper, manganese and zinc) were examined in eggs of black-tailed gulls (Larus crassirostris) from Hongdo Island, Korea to determine the difference and distributio...
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Article
Effect of the environmental quality and food chain on trace element concentrations in Heron and Egret chicks at Pyeongtaek Colony, Korea
Trace element concentrations in the diet can affect the levels in birds. Heron and egret chicks have been recommended as useful biological indicators for monitoring trace element contamination in the aquatic e...
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Article
Lead and cadmium contaminations in feathers of heron and egret chicks
In birds, concentrations of heavy metal contaminants were associated with their diet and environmental quality. This study presents concentrations of lead and cadmium in feathers and the relationship between c...
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Relationships of Metals Between Feathers and Diets of Black-Tailed Gull (Larus crassirostris) Chicks
In birds, metal contaminants in feathers are influenced by prey concentrations and environmental quality. In Black-tailed Gull chicks, Cd, Pb and Cu concentrations were strongly correlated between feathers and...
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Article
Assessment of trace metals in four bird species from Korea
In birds, heavy metal concentrations are influenced by diet intake, migratory pattern, and residence time. In the present study, heavy metal concentrations (in microgram per gram dry weight) were measured in l...
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Article
Tissue Distribution of Metals in White-fronted Geese and Spot-Billed Ducks from Korea
This study presents concentrations of Fe, Zn, Mn, Cu, Pb and Cd in livers, kidneys, muscles and bones of white-fronted geese Anser albifrons (geese) and spot-billed ducks Anas poecilorhyncha (ducks). Iron in live...
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Monitoring of Heavy Metal Contamination Using Tissues of Two Ardeids Chicks, Korea
This study presents concentrations of iron, zinc, manganese, lead and cadmium in livers and kidneys of Little Egret Egretta garzetta (n = 10) and Black-crowned Night-Heron Nycticorax nycticorax (n = 10) chicks fr...
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Article
Reduced sulfur compounds in ambient air surrounding an industrial region in Korea
The atmospheric concentrations of several reduced sulfur compounds (RSCs) including H2S, CH3SH, DMS, CS2, and DMDS were measured concurrently from a series of field campaigns covering multiple locations in the su...
