Results 211 to 220 of about 126,490 (263)

New evidence for Early Pleistocene use of fire at Wonderwerk Cave (South Africa). [PDF]

open access: yesPLoS One
Marin-Monfort MD   +11 more
europepmc   +1 more source
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Manganese Neurotoxicity

Annals of the New York Academy of Sciences, 2004
Abstract: Manganese is an essential trace element and it is required for many ubiquitous enzymatic reactions. While manganese deficiency rarely occurs in humans, manganese toxicity is known to occur in certain occupational settings through inhalation of manganese‐containing dust.
Keith M Erikson, Michael Aschner
exaly   +6 more sources

Manganese

Journal of Toxicology: Clinical Toxicology, 1999
Manganese is a very hard, brittle metal, which is used to increase the strength of steel alloys. Absorption from the gastrointestinal tract occurs in the divalent and tetravalent forms. Permanganates, which are strong oxidizing agents, have a +7 valence. The principal organomanganese compound is the anti-knock additive, methylcyclopentadienyl manganese
Donald G. Barceloux, Donald Barceloux
openaire   +2 more sources

Manganese Transport and the Role of Manganese in Virulence

Annual Review of Microbiology, 2006
Two areas of research have recently converged to highlight important roles for Mn2+ in pathogenesis: the recognition that both bacterial Nramp homologs and members of LraI family of proteins are Mn2+ transporters. Their mutation is associated with decreased virulence of various bacterial species.
Krisztina M, Papp-Wallace   +1 more
openaire   +2 more sources

Manganese Toxicity in Barley is Controlled by Solution Manganese and Soil Manganese Speciation

Soil Science Society of America Journal, 2012
It is well established that Mn toxicity to crops may occur in acid soils and under waterlogging, but there is little information on toxic thresholds in soils. This study was set-up to derive toxic thresholds for plant growth in soils and to relate toxicity of Mn to the Mn speciation in soils.
Hernandez-Soriano, Maria C.   +3 more
openaire   +4 more sources

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