2011
DOI: 10.1039/c0nr00950d
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Conjugated polyelectrolyte–cisplatin complex nanoparticles for simultaneous in vivo imaging and drug tracking

Abstract: A molecular brush based on conjugated polyelectrolyte (CPE) grafted with dense poly(ethylene glycol) (PEG) chains was successfully complexed with an anticancer agent, cisplatin, to form cisplatin-loaded nanoparticles (CPE-PEG-Pt). The obtained nanoparticles have high far-red/near-infrared fluorescence and are able to release the drug in a continuous and slow manner. These nanoparticles have not only been used to visualize HepG2 cancer cells, but also served as an in vivo fluorescent imaging probe that simultan… Show more

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Cited by 103 publications
(91 citation statements)
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“…The nanoprobes demonstrated near infra red fluorescent (NIRF) visualization of HepG2 cells in vitro, real time NIRF imaging in nude mice, and sustained release of cisplatin. 45 Porous silicon offers several attractive attributes for fabrication of theranostic scaffolds such as adjustable pore size and volume, simple chemical functionalization to incorporate drugs, large surface area and biocompatibility. Wu et al incorporated Daunorubicin into particles of porous Si photonic crystals through covalent conjugation.…”
Section: Theranostic Nanocarriers Providing Unimodal Imaging and Drugmentioning
confidence: 99%
“…The nanoprobes demonstrated near infra red fluorescent (NIRF) visualization of HepG2 cells in vitro, real time NIRF imaging in nude mice, and sustained release of cisplatin. 45 Porous silicon offers several attractive attributes for fabrication of theranostic scaffolds such as adjustable pore size and volume, simple chemical functionalization to incorporate drugs, large surface area and biocompatibility. Wu et al incorporated Daunorubicin into particles of porous Si photonic crystals through covalent conjugation.…”
Section: Theranostic Nanocarriers Providing Unimodal Imaging and Drugmentioning
confidence: 99%
“…[ 126 ] Ding and co-workers reported a molecular brush based on conjugated polyelectrolyte (CPE) grafted with dense PEG chains successfully complexed with cisplatin by forming cisplatinloaded nanoparticles (CPE-PEG-Pt). [ 127 ] The obtained nanoparticles had high far-red/near-infrared fl uorescence and were able to release the drug in a continuous and slow manner. It was also used to visualize HepG2 cancer cells as an in vivo fl uorescent imaging probe that simultaneously tracked the drug distribution in nude mice upon intravenous administration.…”
Section: Drug Deliverymentioning
confidence: 99%
“…Hence, CPEs can be used in biosensing, drug and gene delivery, drug screening, and antimicrobial and anticancer therapies [17][18][19][20]. They have also been studied for their potential use in detection and sensing as well as for fluorescence imaging in vitro and in vivo [21][22][23].…”
Section: Introductionmentioning
confidence: 98%