Nickel-catalyzed coordination polymerization-induced self-assembly of helical poly(aryl isocyanide)s

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Nickel-catalyzed coordination polymerization-induced self-assembly of helical poly(aryl isocyanide)s. / Jimaja, Setuhn; Varlas, Spyridon; Xie, Yujie; Foster, Jeff; Taton, Daniel; Dove, Andrew; O'Reilly, Rachel.

In: ACS Macro Letters, Vol. 9, No. 2, 18.02.2020, p. 226–232.

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@article{687f653acc7e4fd4b18d1b4390c953b0,
title = "Nickel-catalyzed coordination polymerization-induced self-assembly of helical poly(aryl isocyanide)s",
abstract = "The interest in helix-containing nanostructures is currently growing as a consequence of their potential applications in areas such as nanomedicine, nanomaterial design, chiral recognition, and asymmetric catalysis. Herein, we present a facile and tunable one-pot methodology to achieve chiral nano-objects. The nickel-catalyzed coordination polymerization-induced self-assembly (NiCCo-PISA) of helical poly(aryl isocyanide) amphiphilic diblock copolymers was realized and allowed access to various nano-object morphologies (spheres, worm-like micelles, and polymersomes). The helicity of the core block was confirmed via circular dichroism (CD) spectroscopy for all morphologies, proving their chiral nature. Small-molecule uptake by the spherical nanoparticles was investigated by encapsulating Nile Red into the core of the spheres and subsequent transfer into aqueous media. The presence of a CD signal for the otherwise CD-inactive dye proved the chiral induction effect of the nano-objects' helical core. This demonstrates the potential of NiCCo-PISA to prepare nanoparticles for applications in nanomaterials, catalysis, and recognition.",
author = "Setuhn Jimaja and Spyridon Varlas and Yujie Xie and Jeff Foster and Daniel Taton and Andrew Dove and Rachel O'Reilly",
year = "2020",
month = feb,
day = "18",
doi = "10.1021/acsmacrolett.9b00972",
language = "English",
volume = "9",
pages = "226–232",
journal = "ACS Macro Letters",
issn = "2161-1653",
publisher = "American Chemical Society",
number = "2",

}

RIS

TY - JOUR

T1 - Nickel-catalyzed coordination polymerization-induced self-assembly of helical poly(aryl isocyanide)s

AU - Jimaja, Setuhn

AU - Varlas, Spyridon

AU - Xie, Yujie

AU - Foster, Jeff

AU - Taton, Daniel

AU - Dove, Andrew

AU - O'Reilly, Rachel

PY - 2020/2/18

Y1 - 2020/2/18

N2 - The interest in helix-containing nanostructures is currently growing as a consequence of their potential applications in areas such as nanomedicine, nanomaterial design, chiral recognition, and asymmetric catalysis. Herein, we present a facile and tunable one-pot methodology to achieve chiral nano-objects. The nickel-catalyzed coordination polymerization-induced self-assembly (NiCCo-PISA) of helical poly(aryl isocyanide) amphiphilic diblock copolymers was realized and allowed access to various nano-object morphologies (spheres, worm-like micelles, and polymersomes). The helicity of the core block was confirmed via circular dichroism (CD) spectroscopy for all morphologies, proving their chiral nature. Small-molecule uptake by the spherical nanoparticles was investigated by encapsulating Nile Red into the core of the spheres and subsequent transfer into aqueous media. The presence of a CD signal for the otherwise CD-inactive dye proved the chiral induction effect of the nano-objects' helical core. This demonstrates the potential of NiCCo-PISA to prepare nanoparticles for applications in nanomaterials, catalysis, and recognition.

AB - The interest in helix-containing nanostructures is currently growing as a consequence of their potential applications in areas such as nanomedicine, nanomaterial design, chiral recognition, and asymmetric catalysis. Herein, we present a facile and tunable one-pot methodology to achieve chiral nano-objects. The nickel-catalyzed coordination polymerization-induced self-assembly (NiCCo-PISA) of helical poly(aryl isocyanide) amphiphilic diblock copolymers was realized and allowed access to various nano-object morphologies (spheres, worm-like micelles, and polymersomes). The helicity of the core block was confirmed via circular dichroism (CD) spectroscopy for all morphologies, proving their chiral nature. Small-molecule uptake by the spherical nanoparticles was investigated by encapsulating Nile Red into the core of the spheres and subsequent transfer into aqueous media. The presence of a CD signal for the otherwise CD-inactive dye proved the chiral induction effect of the nano-objects' helical core. This demonstrates the potential of NiCCo-PISA to prepare nanoparticles for applications in nanomaterials, catalysis, and recognition.

UR - http://www.scopus.com/inward/record.url?scp=85079059789&partnerID=8YFLogxK

U2 - 10.1021/acsmacrolett.9b00972

DO - 10.1021/acsmacrolett.9b00972

M3 - Article

VL - 9

SP - 226

EP - 232

JO - ACS Macro Letters

JF - ACS Macro Letters

SN - 2161-1653

IS - 2

ER -