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- Vladimir N. Anisimov, Lora E. Bakeeva, +22 authors Vladimir P. Skulachev
- Biochemistry (Moscow)
- 2008

Very low (nano- and subnanomolar) concentrations of 10-(6′-plastoquinonyl) decyltriphenylphosphonium (SkQ1) were found to prolong lifespan of a fungus (Podospora anserina), a crustacean (Ceriodaphnia affinis), an insect (Drosophila melanogaster), and a mammal (mouse). In the latter case, median lifespan is doubled if animals live in a non-sterile vivarium.… (More)

- V. V. Neroev, M. M. Archipova, +26 authors Vladimir P. Skulachev
- Biochemistry (Moscow)
- 2008

Mitochondria-targeted cationic plastoquinone derivative SkQ1 (10-(6′-plastoquinonyl) decyltriphenylphosphonium) has been investigated as a potential tool for treating a number of ROS-related ocular diseases. In OXYS rats suffering from a ROS-induced progeria, very small amounts of SkQ1 (50 nmol/kg per day) added to food were found to prevent development of… (More)

- Denis Pilipenko, Robert Spatschek, Efim A. Brener, Heiner Müller-Krumbhaar
- Physical review letters
- 2007

A sharp interface model of crack propagation as a phase transition process is discussed. We develop a multipole expansion technique to solve this free boundary problem numerically. We obtain steady state solutions with a self-consistently selected propagation velocity and shape of the crack, provided that elastodynamic effects are taken into account. Also,… (More)

- Efim A. Brener, Guillaume Boussinot, +4 authors Daniel Temkin
- Journal of physics. Condensed matter : an…
- 2009

We compare different scenarios for dendritic melting of alloys with respect to the front propagation velocity. In contrast to conventional dendritic growth, selection can here be also due to the presence of a grain boundary or coherence strains, and the propagation speed is higher. The most favorable situation is partial melting, where two parabolic fronts,… (More)

- Valeriya B. Saprunova, Denis Pilipenko, A. V. Alexeevsky, Anzhella Zh. Fursova, Nataliya G. Kolosova, Lora E. Bakeeva
- Biochemistry (Moscow)
- 2010

The pigment epithelium cell structure and therapeutic effect of antioxidant SkQ1, selectively penetrating into mitochondria from eye drops, were studied upon development in OXYS rats of age-related retinopathy as a model of macular degeneration. The characteristic dynamics and ultrastructural peculiarities of the layer of electron-dense cytoplasmic… (More)

- Denis Pilipenko, Efim A. Brener, Claas Hüter
- Physical review. E, Statistical, nonlinear, and…
- 2008

We discuss elastic effects due to lattice strain which are a new key ingredient in the theory of dendritic growth for solid-solid transformations. Both thermal and elastic fields are eliminated by Green's function techniques, and a closed nonlinear integro-differential equation for the evolution of the interface is derived. We find dendritic patterns even… (More)

- Marvin Fleck, Denis Pilipenko, Robert Spatschek, Efim A. Brener
- Physical review. E, Statistical, nonlinear, and…
- 2011

A continuum model of crack propagation in brittle viscoelastic materials is presented and discussed. Thereby, the phenomenon of fracture is understood as an elastically induced nonequilibrium interfacial pattern formation process. In this spirit, a full description of a propagating crack provides the determination of the entire time dependent shape of the… (More)

- Mikhail Z. Tokar, Denis Kalupin, Denis Pilipenko
- Computer Physics Communications
- 2006

An approach to solve numerically transport equations for plasmas with spontaneously arising and arbitrarily located transport barriers, regions with a strongly reduced transfer of energy, is proposed. The transport equations are written in a form conserving heat flux and solved numerically by using piecewisely exact analytical solutions of linear… (More)

The difference in the H-mode power threshold in divertor and limiter configurations is numerically investigated by analysing the effect of boundary conditions imposed on the last closed magnetic surface (LCMS) and given by prescribed density and temperature e-folding lengths, δn and δT , respectively. It is demonstrated that the variation of δn and δT… (More)

- Robert Spatschek, Efim A. Brener, Denis Pilipenko
- Physical review letters
- 2008

We discuss steady state crack growth in the spirit of a free boundary problem. It turns out that mode I and mode III situations are very different from each other: In particular, mode III exhibits a pronounced transition towards unstable crack growth at higher driving forces, and the behavior close to the Griffith point is determined entirely through crack… (More)