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Publikováno v:
Physics and Chemistry of Minerals. 40:597-602
An extensive anomalously rapid increase of relative enthalpy H(T) − H(298 K) of crystalline CaTiSiO5 was observed by means of high-temperature drop calorimetry when melting point is approached. X-ray diffraction analysis of the quenched products af
Publikováno v:
Biochemistry. 47:8048-8057
Endogenous DNA damage occurs at a rate of at least 20,000 lesions per cell per day (2). These endogenous lesions are repaired by the base excision repair (BER) machinery, and their correct repair is critical for genome stability. A key enzyme in the
Autor:
Iveta Macková, I. Proks, Håkan Rundlőf, L. Kosa, Ondrej Pritula, Ľubomír Smrčok, Miroslav Boča
Publikováno v:
Open Chemistry. 6:27-32
Three thermal effects on heating/cooling of K2TaF7 in the temperature interval of 680–800°C were investigated by the DSC method. The values determined for the enthalpy change of the individual processes are: ΔtransIIHm(K2TaF7; 703°C) = 1.7(2) kJ
Publikováno v:
Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis. 554:149-157
The sensitivity of a panel of DNA repair-defective bacterial strains to BLM was investigated. Escherichia coli recA cells were far more sensitive than were uvrA, dam-3, and mutM mutY strains, underscoring the importance of RecA to survival. Strains r
Publikováno v:
Journal of Biological Chemistry. 279:577-584
DNA polymerase beta, a member of the X family of DNA polymerases, is known to be involved in base excision repair. A key to determining the biochemical properties of this DNA polymerase is structure-function studies of site-specific mutants that resu
Publikováno v:
Thermochimica Acta. 327:33-37
Relative enthalpies of melts in the system KF–KBF 4 at mole fractions of KBF 4 equal to 0.35, 0.42, 0.60 and 0.80 have been determined from drop-calorimetry measurements at temperatures up to 1082 K. The temperature dependences of relative enthalpi
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 56:395-400
The thermodynamic data are assessed by using molecular solution model with excess Gibbs energy of mixing expressed by Redlich-Kister equation with temperature dependent parameters. The optimized da ...
Autor:
L. Kosa, I. Macková
Publikováno v:
Thermochimica Acta. 447:209-211
The areas of the fusion and crystallization peaks of K3TaF8 and K3TaOF6 have been measured using the DSC mode of the high-temperature calorimeter (SETARAM 1800 K). On the basis of these quantities and the temperature dependence of the used calorimetr