Size-controlled clustering of iron oxide nanoparticles within fluorescent nanogels using LCST-driven self-assembly

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Size-controlled clustering of iron oxide nanoparticles within fluorescent nanogels using LCST-driven self-assembly. / Yildirim, Turgay; Pervez, Maria; Li, Bo; O'Reilly, Rachel K.

In: Journal of Materials Chemistry B, Vol. 8, No. 24, 07.07.2020, p. 5330-5335.

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@article{4c81bd1023aa4267b9f80f4efbb0204e,
title = "Size-controlled clustering of iron oxide nanoparticles within fluorescent nanogels using LCST-driven self-assembly",
abstract = "Size-controlled clustering of iron oxide nanoparticles (IONPs) within the fluorescent polymer nanogels was achieved using the lower critical solution temperature (LCST) driven self-assembly and cross-linking of grafted polymer on the IONPs. The grafted polymer was comprised of oligoethyleneglycol methacrylate (OEGMA) and a novel dichloromaleimide functional methacrylate monomer as building blocks. As a result of the temperature responsive behavior of OEGMA, polymer grafted IONPs clustered to form larger nano-sized aggregates when heated above the LCST of the polymer. When these nano-sized aggregates were cross-linked using an amine-dichloromaleimide reaction, well-defined fluorescent hybrid nanogels could be fabricated. Moreover, the size of these hybrid nanogels was effectively controlled by varying the initial concentration of the polymer grafted IONPs in water.",
author = "Turgay Yildirim and Maria Pervez and Bo Li and O'Reilly, {Rachel K}",
year = "2020",
month = jul,
day = "7",
doi = "10.1039/c9tb02868d",
language = "English",
volume = "8",
pages = "5330--5335",
journal = "Journal of Materials Chemistry B",
issn = "2050-750X",
publisher = "Royal Society of Chemistry",
number = "24",

}

RIS

TY - JOUR

T1 - Size-controlled clustering of iron oxide nanoparticles within fluorescent nanogels using LCST-driven self-assembly

AU - Yildirim, Turgay

AU - Pervez, Maria

AU - Li, Bo

AU - O'Reilly, Rachel K

PY - 2020/7/7

Y1 - 2020/7/7

N2 - Size-controlled clustering of iron oxide nanoparticles (IONPs) within the fluorescent polymer nanogels was achieved using the lower critical solution temperature (LCST) driven self-assembly and cross-linking of grafted polymer on the IONPs. The grafted polymer was comprised of oligoethyleneglycol methacrylate (OEGMA) and a novel dichloromaleimide functional methacrylate monomer as building blocks. As a result of the temperature responsive behavior of OEGMA, polymer grafted IONPs clustered to form larger nano-sized aggregates when heated above the LCST of the polymer. When these nano-sized aggregates were cross-linked using an amine-dichloromaleimide reaction, well-defined fluorescent hybrid nanogels could be fabricated. Moreover, the size of these hybrid nanogels was effectively controlled by varying the initial concentration of the polymer grafted IONPs in water.

AB - Size-controlled clustering of iron oxide nanoparticles (IONPs) within the fluorescent polymer nanogels was achieved using the lower critical solution temperature (LCST) driven self-assembly and cross-linking of grafted polymer on the IONPs. The grafted polymer was comprised of oligoethyleneglycol methacrylate (OEGMA) and a novel dichloromaleimide functional methacrylate monomer as building blocks. As a result of the temperature responsive behavior of OEGMA, polymer grafted IONPs clustered to form larger nano-sized aggregates when heated above the LCST of the polymer. When these nano-sized aggregates were cross-linked using an amine-dichloromaleimide reaction, well-defined fluorescent hybrid nanogels could be fabricated. Moreover, the size of these hybrid nanogels was effectively controlled by varying the initial concentration of the polymer grafted IONPs in water.

UR - http://www.scopus.com/inward/record.url?scp=85087094486&partnerID=8YFLogxK

U2 - 10.1039/c9tb02868d

DO - 10.1039/c9tb02868d

M3 - Article

C2 - 32458853

VL - 8

SP - 5330

EP - 5335

JO - Journal of Materials Chemistry B

JF - Journal of Materials Chemistry B

SN - 2050-750X

IS - 24

ER -