Results 161 to 170 of about 5,929 (202)
, 1987 A volumetric equation of state for chlorotrifluoromethane (R13) and trifluoromethane (R23), developed an the basis of the most recent experimental data reported in the literature, is proposed. The auxiliary equations of vapor pressure and constant pressure specific heat capacity, which have been used to calculate the derived thermodynamic properties ...
CAU G., PELAGAGGE, Pacifico
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Effect of infection with RNA phage R23 on membrane permeability and K+ fluxes in Escherichia coli
Biochimica Et Biophysica Acta - Biomembranes, 1970Abstract 1. 1. Infection of Escherichia coli by the RNA bacteriophage R23 produced a rapid, transient increase in K + efflux from cells preloaded with 42 K + . R23 also stimulated the influx of 42 K + for the first 5–10 min. The enhanced efflux was terminated by a “sealing reaction” 10–15 min after infection. 2. 2. The phage effect on K
H, Watanabe, M, Watanabe
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Nonanalytical unified equation of state of freezant R23
Journal of Engineering Physics and Thermophysics, 1994A unified equation of state of freezant R23 is obtained that adequately describes a thermodynamic surface both in the region of low densities and pressures and in the vicinity of a critical point.
V. F. Lysenkov +3 more
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Isochoric measurements of the R23 + CO2 binary system
Fluid Phase Equilibria, 2003Abstract Isochoric measurements were taken for the R23+CO 2 system for both the two-phase and the superheated vapor regions. The isochoric experiment covered a temperature range from 253 to 353 K and a pressure range from 1590 to 5880 kPa. The data in the two-phase region enabled VLE parameters to be derived using a flash method with the Carnahan ...
G. Di Nicola +3 more
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Fluid Phase Equilibria, 2016 International audience_______________________________________________________________________ In this study, we present new experimental data of vapor-liquid equilibrium for the binary system trifluoromethane (R23) + 2,3,3,3-tetrafluoropropene (R1234yf),
Christophe Coquelet +2 more
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Effect of infection with R23 on DNA and RNA synthesis in Escherichia coli
Canadian Journal of Microbiology, 1971Infection of Escherichia coli by R23 results in a marked inhibition of rRNA synthesis. Both 16 S and 23 S RNA are inhibited with maximal inhibition occurring at 30 min. Inhibition of 4 S RNA is not as profound. DNA synthesis is also inhibited after R23 infection although infected cells continue to divide for about one generation (45–60 min) after ...
H, Watanabe, M, Watanabe
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Reversal of inhibition of membrane-bound RNA synthesis in Escherichia coli infected with R23
Biochimica et Biophysica Acta (BBA) - Nucleic Acids and Protein Synthesis, 1973Abstract 1. Infection by RNA bacteriophage R23 causes a release of ribosomes from a membrane-DNA-RNA polymerase complex isolated from Escherichia coli. This release may be responsible for the reduction in RNA synthetic capacity seen after phage infection. 2. The addition of ribosomes to such a membrane preparation restores the RNA synthetic capacity
D, Hunt, M, Watanabe
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Expression of the lac operon in Escherichia coli infected with RNA phage R23
Canadian Journal of Microbiology, 1970Infection of Escherichia coli by R23 results in a coordinate repression of permease and β-galactosidase genes of the lactose operon but this effect is not mediated at the level of the regulatory or promoter genes. Immediately preceding the inhibitory phase there is a transient phase of increased inducer uptake and enzyme synthesis which may be ...
H, Watanabe, M, Watanabe
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Comparative biology of five RNA phages, R23, f2, Qβ, R34, and R40
Canadian Journal of Microbiology, 1970The RNA bacteriophage R23 inhibits the synthesis of bacterial RNA and protein to a greater extent than phages f2, Qβ, R34, or R40. Various aspects of the process of infection of Escherichia coli by these phages have been examined to assess their possible role in determining the extent of viral RNA synthesis and inhibition of the host. There was little
H, Watanabe, M, Watanabe
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