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A Phase Diagram for Wrapping
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Researchers developed a phase diagram describing the conditions under which a cell membrane will wrap around and engulf a particle, such as a microplastic bead or virus. The model provides theoretical insight into how cells interact with foreign particles of different sizes and rigidities.
Researchers find the conditions for when a cell membrane will wrap around a plastic bead, providing insight into how living things interact with viruses, microplastics, and other objects.
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Effects of Shape on Interaction Dynamics of Tetrahedral Nanoplastics and the Cell Membrane
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Researchers used computer simulations to model how tetrahedral-shaped nanoplastics, which resemble environmentally released plastic fragments, interact with cell membranes. The study found that these sharp-edged particles were readily taken up by lipid membranes, with their movement becoming increasingly constrained as particle size grew, providing fundamental insights into how plastic particle shape affects cellular uptake.
A Five-Stage Model of Nanoplastic Interaction with Biological Membranes
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Researchers developed a five-stage conceptual model describing how nanoplastics interact with biological membranes, from initial surface corona acquisition through physical approach, adsorption, hydrophobic core penetration, and structural deformation. The model connects nanoplastic behavior to membrane stability outcomes — including stabilization, defect formation, or collapse — and links prebiotic vesicle behavior to modern cellular stress responses.
A Five-Stage Model of Nanoplastic Interaction with Biological Membranes
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Researchers developed a five-stage conceptual model describing how nanoplastics interact with biological membranes, from initial surface corona acquisition through physical approach, adsorption, hydrophobic core penetration, and structural deformation. The model connects nanoplastic behavior to membrane stability outcomes — including stabilization, defect formation, or collapse — and links prebiotic vesicle behavior to modern cellular stress responses.
Repulsions and attractions between membrane-deforming spheres, Janus-particles, and opposite tube-like deformations in giant unilamellar vesicles
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Researchers experimentally and theoretically investigated interactions between membrane-deforming particles in giant unilamellar vesicles, finding that particles inducing opposite-direction membrane deformations exhibit repulsion-to-attraction transitions—a finding relevant to understanding how microplastics and nanoparticles interact with cell membranes.
Cell-scale dynamic modeling of membrane interactions with arbitrarily shaped particles
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A computational framework was developed for simulating membrane interactions with arbitrarily shaped colloidal particles (including irregular microplastics and nanoplastics), using triangulated mesh representations and Langevin dynamics to capture coupled translational and rotational dynamics of particle-vesicle interactions.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.