Results 211 to 220 of about 467,233 (247)
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FES cycling

2007
Spinal cord injury (SCI) leads to a partial or complete disruption of motor, sensory, and autonomic nerve pathways below the level of the lesion. In paraplegic patients, functional electrical stimulation (FES) was originally widely considered as a means to restore walking function but this was proved technically very difficult because of the numerous ...
D J, Newham, N de N, Donaldson
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Electrochemical Studies of the Mono-Fe, Fe−Zn, and Fe−Fe Metalloisoforms of Bacteriophage λ Protein Phosphatase

Biochemistry, 2003
Bacteriophage lambda protein phosphatase (lambdaPP) is a member of a large superfamily of metallophosphoesterases, including serine/threonine protein phosphatases, purple acid phosphatases, 5'-nucleotidase, and DNA repair enzymes such as Mre11. Members of this family share several common characteristics, including a common phosphoesterase motif ...
Tiffany A, Reiter, Frank, Rusnak
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Kinetics of the Fe+++/Fe++ Reaction on Fe-Cr Alloys

Journal of The Electrochemical Society, 1964
Abstract : The electrode kinetics of the Fe+++/Fe++ couple on passive Fe-Cr alloys were studied in acid solutions of constant ionic strength (M MgSO4). Tafel behavior is generally observed with exchange currents of the order of 10 to the -6th power amp/sq cm, a cathodic transfer coefficient of 0.40, and an anodic transfer coefficient of 0.36.
openaire   +1 more source

Spectrophotometric Determination of Fe(II), Fe(III), and Total Fe

Journal of Pharmaceutical Sciences, 1971
Abstract The orderly use of two known reactions [Fe(II) with α,α'-dipyridyl and Fe(III) with ascorbic acid] allowed to take place successively in the same aliquot sample solution provides a procedure for the quantitative determination of Fe(II), Fe(III), and total Fe. The procedure is simple, rapid, and sensitive enough to cope with samples containing
Christos Zachariades   +1 more
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Magnetostriction of Fe-rich Fe–Co and Fe–V alloys

Journal of Magnetism and Magnetic Materials, 1999
Abstract Fe-rich Fe100−y−zCoyVz alloys (with y+z⩽20 at%) were prepared for the saturation magnetostriction (λS) and anisotropic magnetoresistance (Δρ/ρ0) measurements. In particular, the attention was focused on the λS and Δρ/ρ0 data of two series of binary alloys, e.g. Fe100−xCox and Fe100−xVx.
S.U. Jen, G.Y. Chen
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Experimental susceptibility of Fe, Fe and Fe and the results of the Wilson theory

Physics Letters A, 1977
Abstract The low temperature susceptibility of the local moment system Mo Fe has been measured by the Mossbauer effect. The susceptibility for this system and for the system Cu Fe, Ag Fe and Au Fe show general agreement with the prediction of the Wilson theory.
P. Steiner, J.G. Pérez-Ramirez
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Fe–Mg Interdiffusion in (Mg,Fe)O

Physics and Chemistry of Minerals, 2005
We have performed a series of interdiffusion experiments on magnesiowustite samples at room pressure, temperatures from 1,320° to 1,400°C, and oxygen fugacities from 10−1.0 Pa to 10−4.3 Pa, using mixed CO/CO2 or H2/CO2 gases. The interdiffusion couples were composed of a single-crystal of MgO lightly pressed against a single-crystal of (Mg1-x
Mackwell, Stephen   +2 more
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A novel FeS cluster in Fe-only hydrogenases

Trends in Biochemical Sciences, 2000
Many microorganisms can use molecular hydrogen as a source of electrons or generate it by reducing protons. These reactions are catalysed by metalloenzymes of two types: NiFe and Fe-only hydrogenases. Here, we review recent structural results concerning the latter, putting special emphasis on the characteristics of the active site.
Y, Nicolet   +3 more
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Magnetic structure of Fe/Cr/Fe trilayers

Physical Review B, 1993
The magnetic structure of Cr films deposited on single crystal Fe(001)/GaAs(001) substrates is investigated by soft x-ray magnetic circular dichroism (SXMCD) of the L2 and L3 absorption edges. We find that 0.25 ML Cr coverages result in Cr moments aligned with each other and antialigned to the underlying Fe moment direction.
Idzerda, Y.   +5 more
openaire   +5 more sources

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