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Photochemical, microbial and metal complexation behavior of fluorescent dissolved organic matter in the aquatic environments
photodegradation microbial degradation metal complexation
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2017/4/12
Chemical properties and reactivity of fluorescent dissolved organic matter (FDOM) are examined in this paper. They
are key issues to understand the biogeochemical processes in the aquatic environment...
Microbial carbon isotope fractionation to produce extraordinarily heavy methane in aging hydrothermal plumes over the southwestern Okinawa Trough
hydrothermal plume chemistry microbial methane oxidation carbon isotope fractionation southern Okinawa Trough
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2017/8/9
Within neutrally buoyant hydrothermal plumes derived from the Yonaguni Knoll IV hydrothermal field (24°51′N, 122°42′E, D = 1,370-1,385 m) in the southwestern Okinawa Trough back-arc basin, we obtained...
Microbial biomineralization of iron seepage water: Implication for the iron ores formation in intertidal zone of Zhoushan Archipelago, East China Sea
ancient wood layer seepage water biomineralization iron ores intertidal zone
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2017/8/9
The biogeochemcical reactions responsible for fossilized minerals preservation in ancient geological conditions are very often debatable, because little is known about the in situ processes at geo-his...
Response of the methanogenic microbial community of a profundal lake sediment (Lake Kinneret, Israel) to algal deposition
Response of the methanogenic microbial community profundal lake sediment Lake Kinneret, Israel algal deposition
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2014/4/18
An algal bloom of Peridinium gatunenese generally precedes the annual maximum of methane release from the profundal sediment of Lake Kinneret. Therefore, we investigated the response of the sediment m...
Possible Role of Microbial Polysaccharides in Nontronite Formation
Biomineralization Extracellular Polysaccharides Microbes Micromorphology Microstructure Nontronite
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2011/12/5
Abstract: Nontronite and microbes were detected in the surface layers of deep-sea sediments from Iheya Basin, Okinawa Trough, Japan. Nontronite, an Fe-rich smectite mineral, was embedded in acidic pol...
Formation of Banded Iron-Manganese Structures by Natural Microbial Communities
Bacteria Banded Fe-Mn Structure Biomats Biomineralization Zebra Architecture
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2011/12/6
Abstract: Microbial structures in the form of banded zebra patterns have been found as periodic iron-manganese layers in living biomats on the coast of Satsuma-Iwo Jima, a small volcanic island near s...
Effects of microbial activity on the 18O of dissolved inorganic phosphate and textural features of synthetic apatites
microbial activity inorganic phosphate textural features synthetic apatites
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2012/4/1
Laboratory growth experiments were conducted to investigate the oxygen isotope effects associated with bacterial metabolism of phosphatic compounds commonly available in nature. The observed oxygen is...
Microbial oxidation of pyrite: Experiments using microorganisms from an extreme acidic environment
Microbial oxidation microorganisms acidic environment
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2012/4/1
Surface colonization and microbial dissolution of pyrite were studied in the laboratory and by in situ surface colonization experiments conducted at Iron Mountain, California.Laboratory experiments in...
Origin and Classification of Coastal Plain Kaolins, Southeastern USA, and the Role of Groundwater and Microbial Action
Bauxite Origin Kaolin Classification Kaolin Origin Microbial Weathering Weathering
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2011/12/9
Abstract: Along the inner Coastal Plain, kaolinite-metahalloysite-rich, neritic muds of Cretaceous-Eocene age have undergone intense postdepositional alteration in the recharge area of the regional gr...
Biomineralization of Layer Silicates and Hydrated Fe/Mn Oxides in Microbial Mats: An Electron Microscopical Study
Bacterial Cell Electron Microscopy Freshwater Hydrated Fe-Mn Oxides Layer Silicates Microbial Mats
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2011/12/9
Abstract: The formation of layer silicates on capsuled bacterial cell walls was studied in freshwater microbial mats. The trends associated with Al, Si, Mn and Fe deposits with capsules are consistent...