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Digitale Medien

Interaction between 16α,17α-cyclopropane progesterone and progesterone receptors in rat uterus (1998)

Smirnov, A. N. ; Pokrovskaya, E. V. ; Shevchenko, V. P. ; [weitere]

Springer

Bulletin of experimental biology and medicine 125 (1998), S. 471-473

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ISSN: 1573-8221

Schlagwort(e): Progesterone ; progesterone receptor ; progesterone analog ; steroid-receptor interaction

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie , Medizin

Notizen: Abstract Binding of3H-16α, 17α-cyclopropanoprogesterone (CPG) and3H-progesterone (PG) to progesterone receptors in soluble fraction of rat uterus is studied. It is shown that CPG and PG specifically bind to the protein with similar affinity and binding capacity. Unlabeled PG competitively inhibits the binding of CPG, and unlabeled CPG competitively inhibits the binding of PF with the same efficiency. Dissociation of CPG- and PG-receptor complexes is characterized by the same dissociation constant.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF02445287

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Digitale Medien

Antiradical activity of ternary copolymers from the diallyl series in mediating the antimutagenic effect (1995)

Odin, A. P. ; Aleksandrova, V. A. ; Lebedev, A. V. ; [weitere]

Springer

Bulletin of experimental biology and medicine 120 (1995), S. 905-907

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ISSN: 1573-8221

Schlagwort(e): ternary copolymers ; antiradical activity ; antimutagenesis ; hindered phenols

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie , Medizin

Notizen: Abstract Ternary copolymers of the diallyl series were tested for antiradical activity against the stable radical 1,1-diphenyl-2-picrylhydrazyl, and the numbers of active antitradical fragments which are present in their macromolecules and which may participate in the free-radical reactions induced by gamma radiation in living organisms were estimated. A correlation was found between the antiradical activity of ternary copolymers and their ability to protect barley seedling roots from mutagenic effects of gamma radiation.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF02445012

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Digitale Medien

Phase transitions in the product of spontaneous polymerization of the acrylamide complex of calcium nitrate (1995)

Shevchenko, V. V. ; Savost'yanov, V. S. ; Ponomarev, A. N.

Springer

Russian chemical bulletin 44 (1995), S. 1695-1697

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ISSN: 1573-9171

Schlagwort(e): acrylamide, calcium nitrate, complex, polymerization ; X-ray diffraction analysis ; phase transitions.

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie

Notizen: Abstract Phase transitions in the spontaneously polymerized acrylamide-calcium nitrate system have been studied by X-ray diffraction analysis. The polymerization occursvia the stage of formation of crystalline particles, which exist in a homogeneous solution and are identical to crystallites in chemical composition. At the stage of particle formation, the degree of crystallinity is 60 %, the particle size is 65 nm, and paracrystallinity is 0.0208. An amorphous metal-containing polymer is the final structural state of the system.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01151293

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