Constructing helical nanowires <i>via</i> polymerization-induced self-assembly

Chen, Qiumeng; Li, Yahui; Liu, Ming; Wu, Xuan; Shen, Jianliang; Shen, Liangliang

doi:10.1039/d1ra00439e

Cited by 5 publications

(6 citation statements)

References 41 publications

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“…Shen et al . observed that helical nanowires can be developed based on an achiral system via PISA of a fluorinated random copolymer [84] . Ultralong nanowires with multiple‐strand helices were readily observed in a wide range of block compositions.…”

Section: Supramolecular Chiral Expression and Morphology Control By P...mentioning

confidence: 99%

Chiral Expression and Morphology Control in Polymer Dispersion Systems

Cheng

Miao

et al. 2022

ChemPlusChem

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The chiral self‐assembly of polymers in dispersions plays an important role in chiral chemistry and self‐assembly. In general, both polymerization‐induced self‐assembly (PISA) and post‐polymerization self‐assembly can be used to prepare polymer nanoassemblies. In chirality induction or transfer processes, the self‐assembly manner of the polymers greatly affects the chiral expression of the nanostructure and cannot be ignored in the chiral fields. Moreover, unique chiral expression and morphological transition of polymer assemblies in dispersions enable the preparation of advanced functional chiroptical materials. Herein, this Review discusses recent advances in chiral expression and morphology control in polymer dispersion systems, particularly the comparison between traditional post‐polymerization self‐assembly and in situ PISA strategies, to predict and advance chirality control in polymers.

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Section: Supramolecular Chiral Expression and Morphology Control By P...mentioning

confidence: 99%

Chiral Expression and Morphology Control in Polymer Dispersion Systems

Cheng

Miao

et al. 2022

ChemPlusChem

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“…The strategy of chain extension from fluorinated macro-CTAs has also allowed the facile preparation of spherical FPNPs of low PSD with poly(MMA) cores (CO 2 -phobic) and fluorinated shells (CO 2 -philic) via the PISA process under scCO 2 conditions . The employment of fluorinated copolymers of poly(DMEMA)- co -poly(TFEMA) as macro-CTAs was also investigated in RAFT-mediated PISA in ethanol, yielding helical nanowires using poly(13FOMA) as the second block …”

Section: In Situ Synthesis Of Fpnps Via Rdrpsmentioning

confidence: 99%

Fluoropolymer Nanoparticles Synthesized via Reversible-Deactivation Radical Polymerizations and Their Applications

Zhang,

Chen,

Ameduri

et al. 2023

Chem. Rev.

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Fluorinated polymeric nanoparticles (FPNPs) combine unique properties of fluorocarbon and polymeric nanoparticles, which has stimulated massive interest for decades. However, fluoropolymers are not readily available from nature, resulting in synthetic developments to obtain FPNPs via free radical polymerizations. Recently, while increasing cutting-edge directions demand tailored FPNPs, such materials have been difficult to access via conventional approaches. Reversible-deactivation radical polymerizations (RDRPs) are powerful methods to afford well-defined polymers. Researchers have applied RDRPs to the fabrication of FPNPs, enabling the construction of particles with improved complexity in terms of structure, composition, morphology, and functionality. Related examples can be classified into three categories. First, well-defined fluoropolymers synthesized via RDRPs have been utilized as precursors to form FPNPs through self-folding and solution self-assembly. Second, thermally and photoinitiated RDRPs have been explored to realize in situ preparations of FPNPs with varied morphologies via polymerizationinduced self-assembly and cross-linking copolymerization. Third, grafting from inorganic nanoparticles has been investigated based on RDRPs. Importantly, those advancements have promoted studies toward promising applications, including magnetic resonance imaging, biomedical delivery, energy storage, adsorption of perfluorinated alkyl substances, photosensitizers, and so on. This Review should present useful knowledge to researchers in polymer science and nanomaterials and inspire innovative ideas for the synthesis and applications of FPNPs.

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“…Other strategies toward anisotropic structures involve using host‐guest complexation 204–206 or liquid crystalline block copolymers based on, for example, fluorinated repeat units 207–209 …”

Section: Advances Of Pisa For Potential Future Ddsmentioning

confidence: 99%

“…200 Other strategies toward anisotropic structures involve using host-guest complexation [204][205][206] or liquid crystalline block copolymers based on, for example, fluorinated repeat units. [207][208][209] Next to exploiting secondary interactions to imprint directionality, they could also be leveraged for cargo retention in the core. 132,210,211…”

Section: Additional Intra-/intermolecular Interactions To Imprint Dir...mentioning

confidence: 99%

Polymerization‐induced self‐assembly for drug delivery: A critical appraisal

Hochreiner,

van Ravensteijn

2023

Journal of Polymer Science

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Polymerization‐induced self‐assembly (PISA) with (in situ) encapsulation of (therapeutic) cargo has proven to be an efficient preparation method for loaded polymeric micelles and polymersomes, thereby presenting significant opportunities in the field of drug delivery. However, despite extensive research efforts, no significant advances toward systematic in vivo studies or clinical applications have been achieved to date. In this Review, we outline the current state‐of‐the‐art of cargo encapsulation via PISA with a specific focus on developments achieved in the past 5 years. Considering the general requirements for functional drug delivery systems, we identify the major hurdles that still need to be overcome in order to push PISA‐derived systems from a promising academic exercise to viable candidates for clinical translation.

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Constructing helical nanowires via polymerization-induced self-assembly

Abstract: Helical nanowires were successfully synthesized through polymerization-induced self-assembly and subsequent aging. The achiral BCP nano-objects underwent a morphology transition from spheres to helical nanowires during aging.

Cited by 5 publications

References 41 publications

Chiral Expression and Morphology Control in Polymer Dispersion Systems

Chiral Expression and Morphology Control in Polymer Dispersion Systems

Fluoropolymer Nanoparticles Synthesized via Reversible-Deactivation Radical Polymerizations and Their Applications

Polymerization‐induced self‐assembly for drug delivery: A critical appraisal

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