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Vesicles

The Nobel prize in Physiology/Medicine for 2013 was awarded to J. E. Rothman, R. W. Schekman and T C. Südhof for their work on vesicle traffic. Research on vesicles is not only key to our understanding of transport in cells, but also a promising route to drug delivery.

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Multicompartment Vesicles Formation by Emulsification-Induced Assembly of Poly(ethylene oxide)-block-poly(ε-caprolactone) and Their Dual-Loading Capability

Multicompartment Vesicles Formation by Emulsification‐Induced Assembly of Poly(ethylene oxide)‐block‐poly(ε‐caprolactone) and Their Dual‐Loading Capability

Multicompartment vesicles, including onion-like vesicles and vesicular networks, are constructed by tuning the interfacial instability of an oil-in-water emulsion of a single-polymer molecular scaffold. The dual-loading ability for hydrophobic and hydrophilic dyes is demonstrated with different loading capacities due to the spatial organization of each compartment constituting the onion-like vesicles and vesicular networks.

[Communication]
Seon-Mi Jin, Jongseol Jeon, Mi-Kyoung Park, Geon Hee Kim, Eunji Lee
Macromol. Rapid Commun., December 06, 2017, https://doi.org/10.1002/marc.201700545 Read article

Controlling Complex Stability in Photoresponsive Macromolecular Host–Guest Systems: Toward Reversible Capture of DNA by Cyclodextrin Vesicles

Controlling Complex Stability in Photoresponsive Macromolecular Host–Guest Systems: Toward Reversible Capture of DNA by Cyclodextrin Vesicles

The light-responsive capture and release of high molecular weight DNA is achieved using two different strategies, balancing complex stability and stimuli-responsive release. The first approach employs a competitive stopper for controlling the binding of the biopolymer in the photostationary state. Alternatively, arylazopyrazole is used as a superior light-responsive moiety to achieve control over charge density and complexation.

[Communication]
Johanna Moratz, Lucas Stricker, Sabrina Engel, Bart Jan Ravoo
Macromol. Rapid Commun., September 12, 2017, https://doi.org/10.1002/marc.201700256 Read article

“Breathing” CO2-, O2-, and Light-Responsive Vesicles from a Triblock Copolymer for Rate-Tunable Controlled Release

“Breathing” CO2‐, O2‐, and Light‐Responsive Vesicles from a Triblock Copolymer for Rate‐Tunable Controlled Release

“Breathing” vesicles are self-assembled from a CO2-, O2-, and light-responsive amphiphilic block copolymer in aqueous solution. The size of these vesicles could be reversibly adjusted via addition and removal of external stimuli to present corresponding “breathing” transition behaviors. Based on this feature, these vesicles can exhibit rate-tunable controlled release behavior depending on external stimuli.

[Communication]
Shaojian Lin, Jiaojiao Shang, Xiaoxiao Zhang, Patrick Theato
Macromol. Rapid Commun., August 09, 2017, https://doi.org/10.1002/marc.201700313 Read article

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