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Composite electrodes of yttria-stabilized zirconia (YSZ) with La 0.8 Sr 0.2 MnO 3 (LSM), La 0.8 Sr 0.2 FeO 3 (LSF), and La 0.8 Sr 0.2 CoO 3 (LSCo) were prepared and tested as solid oxide electrolyzer (SOE) anodes and solid oxide fuel cell (SOFC) cathodes at 973 K, using cells with a YSZ electrolyte and a Co-ceria-YSZ counter electrode. The LSM-YSZ electrode(More)
Heterotropic effects of NaCl were studied using CN-met hemoglobin, which has been found to follow the same rules of homotropic cooperativity as CO-Hb and O2-Hb [Huang and Ackers, Biochemistry, 35 (1996) 704; Huang et al., Biophys. J., 71 (1996) 2094]. Modulation of heme site cooperativity by NaCl was determined in this study for all partially ligated CN-met(More)
Subunit assembly reactions of hemoglobin's 10 ligation microstates have been studied as a function of temperature to evaluate the enthalpic and entropic components of cooperativity. It is found that the cooperative enthalpies and cooperative entropies distribute in close agreement with predictions of the symmetry rule mechanism (Ackers et al., 1992)(More)
Free energy contributions to cooperativity by the eight ligation intermediates of human hemoglobin (Hb) have been characterized extensively using six oxygenation analogs [cf. Huang et al. (1996) Biophys. J. 71, 2094-2105, Table 2]. These unprecedented data bses have strongly supported the molecular code mechanism of Hb cooperativity [Ackers et al. (1992)(More)
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