ArticleLangmuir : the ACS journal of surfaces and colloids2020
Cyclic Activity of an Osmotically Stressed Liposome in a Finite Hypotonic Environment.
Article in Langmuir : the ACS journal of surfaces and colloids, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 13 citations in OpenAlex.
- Synthetic syntrophy for adenine nucleotide cross-feeding between metabolically active nanoreactors.Nature nanotechnology · 2025Article
- AmBisomePharmaceutics · 2024Article
- Distributing aminophospholipids asymmetrically across leaflets causes anomalous membrane stiffening.Biophysical journal · 2023Article
- Membrane Curvature, Trans-Membrane Area Asymmetry, Budding, Fission and Organelle Geometry.International journal of molecular sciences · 2020Review
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3 authors at 1 institution in 1 country.
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Abstract
A lipid vesicle, or simply called a liposome, represents a synthetic compartment for the examination of transmembrane transport and signaling phenomena. Yet, a liposome is always subjected to size and shape fluctuations due to local and global imbalance of internal and external osmotic pressures. Here, we show that an osmotically stressed liposome placed within a hypotonic spherical bath undergoes cyclic dynamics described by a periodic sequence of swelling and relaxation phases. These two phases are interfaced by the appearance of a transient transmembrane pore through which chemical delivery occurs. An analytical model was formulated for the recurrent differential equations that convey the time-dependent swelling phase of a pulsatory liposome during individual cycles. We demonstrate that the time-dependent swelling phases of the last several cycles of a pulsatory liposome are strongly dependent on the size of the external bath. Furthermore, decreasing the size of the hypotonic medium reduces the number of cycles of a pulsatory liposome. Comparisons and contrasts of an infinite hypotonic bath with finite external baths of varying radii are discussed.
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