Assessing the role of polyethylene glycol-bl-propylene sulfide (PEG-PPS) block copolymers in the preparation of carbon nanotube biocompatible dispersions

Erika Maria Di Meo; Antonello Di Crescenzo; Diana Velluto; Conlin P. O'Neil; Davide Demurtas; Jeffrey A. Hubbell; Antonella Fontana

doi:10.1021/ma902443j

Assessing the role of polyethylene glycol-bl-propylene sulfide (PEG-PPS) block copolymers in the preparation of carbon nanotube biocompatible dispersions

Erika Maria Di Meo, Antonello Di Crescenzo, Diana Velluto, Conlin P. O'Neil, Davide Demurtas, Jeffrey A. Hubbell, Antonella Fontana

Chemical and Biomolecular Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

Amphiphilic block copolymers based on hydrophobic polysulfides (poly(propylene sulfide), PPS) and hydrophilic polyethers (polyethylene glycol), PEG) have been used to solubilize and disperse single-walled carbon nanotubes (SWNTs). The obtained highly concentrated aqueous dispersions are stable for months. The factors that affect the dispersant activity of the studied block copolymers have been characterized, and comparisons with the much more investigated oxygen analogues (Pluronics) are reported. The biocompatibility and the stability after dilution of the most representative suspensions have been investigated as prospective drug carriers.

Original language	English (US)
Pages (from-to)	3429-3437
Number of pages	9
Journal	Macromolecules
Volume	43
Issue number	7
DOIs	https://doi.org/10.1021/ma902443j
State	Published - Apr 13 2010

ASJC Scopus subject areas

Organic Chemistry
Polymers and Plastics
Inorganic Chemistry
Materials Chemistry

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abstract = "Amphiphilic block copolymers based on hydrophobic polysulfides (poly(propylene sulfide), PPS) and hydrophilic polyethers (polyethylene glycol), PEG) have been used to solubilize and disperse single-walled carbon nanotubes (SWNTs). The obtained highly concentrated aqueous dispersions are stable for months. The factors that affect the dispersant activity of the studied block copolymers have been characterized, and comparisons with the much more investigated oxygen analogues (Pluronics) are reported. The biocompatibility and the stability after dilution of the most representative suspensions have been investigated as prospective drug carriers.",

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AU - Di Meo, Erika Maria

AU - Di Crescenzo, Antonello

AU - Velluto, Diana

AU - O'Neil, Conlin P.

AU - Demurtas, Davide

AU - Hubbell, Jeffrey A.

AU - Fontana, Antonella

PY - 2010/4/13

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N2 - Amphiphilic block copolymers based on hydrophobic polysulfides (poly(propylene sulfide), PPS) and hydrophilic polyethers (polyethylene glycol), PEG) have been used to solubilize and disperse single-walled carbon nanotubes (SWNTs). The obtained highly concentrated aqueous dispersions are stable for months. The factors that affect the dispersant activity of the studied block copolymers have been characterized, and comparisons with the much more investigated oxygen analogues (Pluronics) are reported. The biocompatibility and the stability after dilution of the most representative suspensions have been investigated as prospective drug carriers.

AB - Amphiphilic block copolymers based on hydrophobic polysulfides (poly(propylene sulfide), PPS) and hydrophilic polyethers (polyethylene glycol), PEG) have been used to solubilize and disperse single-walled carbon nanotubes (SWNTs). The obtained highly concentrated aqueous dispersions are stable for months. The factors that affect the dispersant activity of the studied block copolymers have been characterized, and comparisons with the much more investigated oxygen analogues (Pluronics) are reported. The biocompatibility and the stability after dilution of the most representative suspensions have been investigated as prospective drug carriers.

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Assessing the role of polyethylene glycol-bl-propylene sulfide (PEG-PPS) block copolymers in the preparation of carbon nanotube biocompatible dispersions

Abstract

ASJC Scopus subject areas

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