ArticleBiophysical journal2007
A biological interpretation of transient anomalous subdiffusion. I. Qualitative model.
Article in Biophysical journal, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 105 papers.
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105 citing papers in PubMed.
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- Detecting directed motion and confinement in single-particle trajectories using hidden variables.eLife · 2026Article
- High-Speed Interferometric Scattering Tracking Microscopy of Compartmentalized Lipid Diffusion in Living Cells.Chemphyschem : a European journal of chemical physics and physical chemistry · 2025Article
- Quantitative evaluation of methods to analyze motion changes in single-particle experiments.Nature communications · 2025Article
- Bacterial swimming in porous gels exhibits intermittent run motility with active turns and mechanical trapping.Scientific reports · 2025Article
- Macromolecular interactions and geometrical confinement determine the 3D diffusion of ribosome-sized particles in liveProceedings of the National Academy of Sciences of the United States of America · 2025Article
- Simulation Studies of Dynamical Heterogeneity in a Dense Two-Dimensional Dimer-Solvent System with Obstacles.Entropy (Basel, Switzerland) · 2024Article
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- Macromolecular interactions and geometrical confinement determine the 3D diffusion of ribosome-sized particles in livebioRxiv : the preprint server for biology · 2024Article
- Simulation Study on the Mechanism of Intermediate Subdiffusion of Diffusive Particles in Crowded Systems.ACS omega · 2023Article
- Exploring non-equilibrium processes and spatio-temporal scaling laws in heated egg yolk using coherent X-rays.Nature communications · 2023Article
- Increased intracellular crowding during hyperosmotic stress.Scientific reports · 2023Article
- The Role of Polymer Chain Stiffness and Guest Nanoparticle Loading in Improving the Glass Transition Temperature of Polymer Nanocomposites.Nanomaterials (Basel, Switzerland) · 2023Article
- Polarity and mixed-mode oscillations may underlie different patterns of cellular migration.Scientific reports · 2023Article
- Dependence of diffusion ineLife · 2022Article
- Effect of detachment of motor protein from track on its transport.Journal of biological physics · 2022Article
- Transient Anomalous Diffusion MRI Measurement Discriminates Porous Polymeric Matrices Characterized by Different Sub-Microstructures and Fractal Dimension.Gels (Basel, Switzerland) · 2022Article
- Subdiffusive-Brownian crossover in membrane proteins: a generalized Langevin equation-based approach.Biophysical journal · 2021Article
- Membrane Nanoscopic Organization of D2L Dopamine Receptor Probed by Quantum Dot Tracking.Membranes · 2021Article
45 more citing papers are in PubMed but not listed here.
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Abstract
Anomalous subdiffusion has been reported for two-dimensional diffusion in the plasma membrane and three-dimensional diffusion in the nucleus and cytoplasm. If a particle diffuses in a suitable infinite hierarchy of binding sites, diffusion is well known to be anomalous at all times. But if the hierarchy is finite, diffusion is anomalous at short times and normal at long times. For a prescribed set of binding sites, Monte Carlo calculations yield the anomalous diffusion exponent and the average time over which diffusion is anomalous. If even a single binding site is present, there is a very short, almost artifactual, period of anomalous subdiffusion, but a hierarchy of binding sites extends the anomalous regime considerably. As is well known, an essential requirement for anomalous subdiffusion due to binding is that the diffusing particle cannot be in thermal equilibrium with the binding sites; an equilibrated particle diffuses normally at all times. Anomalous subdiffusion due to barriers, however, still occurs at thermal equilibrium, and anomalous subdiffusion due to a combination of binding sites and barriers is reduced but not eliminated on equilibration. This physical model is translated directly into a plausible biological model testable by single-particle tracking.
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