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- Zeinab Sadjadi, Heiko Rieger
- Physical review letters
- 2013

We present a scaling theory for the long time behavior of spontaneous imbibition in porous media consisting of interconnected pores with a large length-to-width ratio. At pore junctions, the meniscus propagation in one or more branches can come to a halt when the Laplace pressure of the meniscus exceeds the hydrostatic pressure within the junction. We… (More)

- Simon Gruener, Zeinab Sadjadi, +5 authors Patrick Huber
- Proceedings of the National Academy of Sciences…
- 2012

During spontaneous imbibition, a wetting liquid is drawn into a porous medium by capillary forces. In systems with comparable pore length and diameter, such as paper and sand, the front of the propagating liquid forms a continuous interface. Sections of this interface advance in a highly correlated manner due to an effective surface tension, which restricts… (More)

- M Ebrahim Fouladvand, Zeinab Sadjadi, M Reza Shaebani
- Physical review. E, Statistical, nonlinear, and…
- 2004

We construct a stochastic cellular automata model for the description of vehicular traffic at a roundabout designed at the intersection of two perpendicular streets. The vehicular traffic is controlled by a self-organized scheme in which traffic lights are absent. This controlling method incorporates a yield-at-entry strategy for the approaching vehicles to… (More)

- M Reza Shaebani, Zeinab Sadjadi, Igor M Sokolov, Heiko Rieger, Ludger Santen
- Physical review. E, Statistical, nonlinear, and…
- 2014

We theoretically study the transport properties of self-propelled particles on complex structures, such as motor proteins on filament networks. A general master equation formalism is developed to investigate the persistent motion of individual random walkers, which enables us to identify the contributions of key parameters: the motor processivity, and the… (More)

- Zeinab Sadjadi, M Reza Shaebani, Heiko Rieger, Ludger Santen
- Physical review. E, Statistical, nonlinear, and…
- 2015

The motion of self-propelled particles is modeled as a persistent random walk. An analytical framework is developed that allows the derivation of exact expressions for the time evolution of arbitrary moments of the persistent walk's displacement. It is shown that the interplay of step length and turning angle distributions and self-propulsion produces… (More)

- Zeinab Sadjadi, Mirfaez Miri, M Reza Shaebani, Sareh Nakhaee
- Physical review. E, Statistical, nonlinear, and…
- 2008

We study photon diffusion in a two-dimensional random packing of monodisperse disks as a simple model of granular media and wet foams. We assume that the intensity reflectance of disks is a constant r . We present an analytic expression for the transport mean free path l;{*} in terms of the velocity of light in the disks and host medium, radius R and… (More)

- Zeinab Sadjadi, MirFaez Miri
- Physical review. E, Statistical, nonlinear, and…
- 2011

We study photon diffusion in a two-dimensional random packing of monodisperse disks as a simple model of granular material. We apply ray optics approximation to set up a persistent random walk for the photons. We employ Fresnel's intensity reflectance with its rich dependence on the incidence angle and polarization state of the light. We present an analytic… (More)

- MirFaez Miri, Zeinab Sadjadi, M Ebrahim Fouladvand
- Physical review. E, Statistical, nonlinear, and…
- 2006

We study the persistent random walk of photons on a one-dimensional lattice of random transmittances. Transmittances at different sites are assumed independent, distributed according to a given probability density f(t). Depending on the behavior of f(t) near t=0, diffusive and subdiffusive transports are predicted by the disorder expansion of the mean… (More)

- Zeinab Sadjadi, Michael Jung, Ralf Seemann, Heiko Rieger
- Langmuir : the ACS journal of surfaces and…
- 2015

The capillary rise of liquid in asymmetric channel junctions with branches of different radii can lead to long-lasting meniscus arrests in the wider channel, which has important implications for the morphology and dynamical broadening of imbibition fronts in porous materials with elongated pores. Using a microfluidic setup, we experimentally demonstrate the… (More)

- W Vanscheidt, Z Sadjadi, S Lillieborg
- European journal of dermatology : EJD
- 2001

Sharp debridement is a fast method of achieving a clean leg ulcer, which promotes healing and enables skin grafting. EMLA cream is the only topical anaesthetic for which there is clinical evidence of analgesic efficacy for debridement. Thirteen clinical investigations of EMLA are reviewed. Four double-blind studies and one open randomised controlled study… (More)