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- Silvia Begliuomini, Elena Casarosa, +7 authors Andrea Riccardo Genazzani
- Human reproduction
- 2007

BACKGROUND
Brain-derived neurotrophic factor (BDNF) is a mediator of neuronal plasticity and influences learning, memory and cognitive behaviour. The aim of this study is to assess plasma BDNFâ€¦ (More)

- Luis Carlos Malacarne, Rosilda Mendes, E K Lenzi
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2002

Usually, the studies of distributions of city populations have been reduced to power laws. In such analyses, a common practice is to consider cities with more than one hundred thousand inhabitants.â€¦ (More)

- E K Lenzi, Celia Anteneodo, Lawrence M. Borland
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2001

We investigate the escape behavior of systems governed by the one-dimensional nonlinear diffusion equation theta(t)rho=theta(x)[theta(x)Urho]+Dtheta(x)2rho(nu), where the potential of the drift,â€¦ (More)

- Luis Carlos Malacarne, Rosilda Mendes, Ingemar Pedron, E K Lenzi
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2001

The nonlinear diffusion equation partial delta rho/delta t=D Delta rho(nu) is analyzed here, where Delta[triple bond](1/r(d-1))(delta/delta r)r(d-1-theta) delta/delta r, and d, theta, and nu are realâ€¦ (More)

- E K Lenzi, Rosilda Mendes, Constantino Tsallis
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2003

Ubiquitous phenomena exist in nature where, as time goes on, a crossover is observed between different diffusion regimes (e.g., anomalous diffusion at early times which becomes normal diffusion atâ€¦ (More)

- Ingemar Pedron, Rosilda Mendes, T J Buratta, Luis Carlos Malacarne, E K Lenzi
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2005

In this work we present the logarithmic diffusion equation as a limit case when the index that characterizes a nonlinear Fokker-Planck equation, in its diffusive term, goes to zero. A linear driftâ€¦ (More)

- Luis Carlos Malacarne, Rosilda Mendes, E K Lenzi
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2002

In the non-extensive Tsallis scenario, Page's conjecture for the average entropy of a subsystem [Phys. Rev. Lett. 71, 1291 (1993)] as well as its demonstration are generalized, i.e., when a pureâ€¦ (More)

- M. C. Mantovani, Hugo Ribeiro, E K Lenzi, S. Picoli, Rosilda Mendes
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2013

We report on a statistical analysis of the engagement in the electoral processes of all Brazilian cities by considering the number of party memberships and the number of candidates for mayor andâ€¦ (More)

- Piera Santoro, J.L. de Paula, E K Lenzi, Luiz R. Evangelista
- The Journal of chemical physics
- 2011

The electrical response of an electrolytic cell in which the diffusion of mobile ions in the bulk is governed by a fractional diffusion equation of distributed order is analyzed. The boundaryâ€¦ (More)

- E K Lenzi, G A Mendes, Rosilda Mendes, L. R. da Silva, Liacir dos Santos Lucena
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2003

We analyze a nonlinear fractional diffusion equation with absorption by employing fractional spatial derivatives and obtain some more exact classes of solutions. In particular, the diffusion equationâ€¦ (More)