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8 papers · 1 filter
Physics of collective transport and traffic phenomena in biology: progress in 20 years
Debashish Chowdhury, Andreas Schadschneider, Katsuhiro Nishinari
Enormous progress have been made in the last 20 years since the publication of our review \cite{csk05polrev} in this journal on transport and traffic phenomena in biology. In this…
Trafficlike collective movement of ants on trails: absence of jammed phase
Alexander John, Andreas Schadschneider, Debashish Chowdhury +1
We report experimental results on unidirectional traffic-like collective movement of ants on trails. Our work is primarily motivated by fundamental questions on the collective spat…
Intra-cellular traffic: bio-molecular motors on filamentary tracks
Debashish Chowdhury, Aakash Basu, Ashok Garai +4
Molecular motors are macromolecular complexes which use some form of input energy to perform mechanical work. The filamentary tracks, on which these motors move, are made of either…
Traffic phenomena in biology: from molecular motors to organisms
Debashish Chowdhury, Andreas Schadschneider, Katsuhiro Nishinari
Traffic-like collective movements are observed at almost all levels of biological systems. Molecular motor proteins like, for example, kinesin and dynein, which are the vehicles of…
Intra-cellular transport by single-headed kinesin KIF1A: effects of single-motor mechano-chemistry and steric interactions
Philip Greulich, Ashok Garai, Katsuhiro Nishinari +2
In eukaryotic cells, many motor proteins can move simultaneously on a single microtubule track. This leads to interesting collective phenomena like jamming. Recently we reported ({…
Competition of coarsening and shredding of clusters in a driven diffusive lattice gas
Ambarish Kunwar, Debashish Chowdhury, Andreas Schadschneider +1
We investigate a driven diffusive lattice gas model with two oppositely moving species of particles. The model is motivated by bi-directional traffic of ants on a pre-existing trai…
Physics of Transport and Traffic Phenomena in Biology: from molecular motors and cells to organisms
Debashish Chowdhury, Andreas Schadschneider, Katsuhiro Nishinari
Traffic-like collective movements are observed at almost all levels of biological systems. Molecular motor proteins like, for example, kinesin and dynein, which are the vehicles of…
Intra-cellular transport of single-headed molecular motors KIF1A
Katsuhiro Nishinari, Yasushi Okada, Andreas Schadschneider +1
Motivated by experiments on single-headed kinesin KIF1A, we develop a model of intra-cellular transport by interacting molecular motors. It captures explicitly not only the effects…