Synthesis and characterization of a new polypyrrole based on N-vinyl pyrrole

Wang, Wanqin; Yu, Demei; Tian, Feng

doi:10.1016/j.synthmet.2008.04.016

Cited by 25 publications

(10 citation statements)

References 24 publications

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“…It's worth noting that the polypyrroles that are insoluble in water have absorption spectra remarkably similar to C 500 , and the degree of conjugation can be very high. 81,82 Bipyrrole (C 8 H 8 N 2 ) itself does not absorb at wavelengths greater than 300 nm; 83 however, it is not clear how additional pconjugation will change its absorption characteristics.…”

Section: Possible Production Pathways Of Light-absorbing Speciesmentioning

confidence: 99%

Brown carbon formation from ketoaldehydes of biogenic monoterpenes

et al. 2013

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Section: Possible Production Pathways Of Light-absorbing Speciesmentioning

confidence: 99%

Brown carbon formation from ketoaldehydes of biogenic monoterpenes

et al. 2013

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“…Carboxylated MWNTs (purity > 95.0 wt %, length = 1–2 μm, diameter = 8–15 nm) were purchased from Chengdu Organic Chemistry Co., Ltd., China. N -Ethenylpyrrole (99.5%) was synthesized according a method in the literature . Fetal bovine serum (FBS) and high glucose Dulbecco’s Modified Eagle’s medium (DMEM) were purchased from Hyclone.…”

Section: Methodsmentioning

confidence: 99%

“…N-Ethenylpyrrole (99.5%) was synthesized according a method in the literature. 45 Fetal bovine serum (FBS) and high glucose Dulbecco's Modified Eagle's medium (DMEM) were purchased from Hyclone. WST-1 reagent was purchased from Beyotime Biotechnology Co., Ltd. Folate-PEG-SH (MW = 2000 Dal) was purchased from Rui Xi Biotechnology Co., Ltd. Doxorubicin hydrochloride (DOX, 99.0%) and other reagents were purchased from Aladdin Chemical Reagent Co., Ltd. Porous poly(vinylidene chloride) (PVDC) membrane (diameter = 50 mm, pore size = 0.22 μm) was purchased from Xi'an Kequan Instrument Co., Ltd. Ultrapure water (18.2 MΩ•cm −1 ) was obtained using a Millipore Milli-Q purification system and was used in all experiments.…”

Section: ■ Conclusionmentioning

confidence: 99%

Facile Preparation of Doxorubicin-Loaded and Folic Acid-Conjugated Carbon Nanotubes@Poly(N-vinyl pyrrole) for Targeted Synergistic Chemo–Photothermal Cancer Treatment

et al. 2017

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We developed a bifunctional nanoplatform for targeted synergistic chemo-photothermal cancer treatment. The nanoplatform was constructed through a facile method in which poly(N-vinyl pyrrole) (PVPy) was coated on cut multiwalled carbon nanotubes (c-MWNTs); FA-PEG-SH was then linked by thiol-ene click reaction to improve the active targeting ability, water dispersibility, and biocompatibility and to extend the circulation time in blood. The PVPy shell not only enhanced the photothermal effect of c-MWNTs significantly but also provided a surface that could tailor targeting molecules and drugs. The resulting MWNT@PVPy-S-PEG-FA possessed high drug-loading ratio as well as pH-sensitive unloading capacity for a broad-spectrum anticancer agent, doxorubicin. Owing to its outstanding efficiency in photothermal conversion and ability in targeted drug delivery, the material could potentially be used as an efficient chemo-photothermal therapeutic nanoagent to treat cancer.

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“…Iron (III) tri-chloride (FeCl 3 Á 6H 2 O), chloroform (CHCl 3 ), dimethyl sulfoxide (DMSO), tetrahydrofuran (THF), N-Methyl pyrrolidone (NMP) and dichloromethane (CH 2 Cl 2 ) were obtained from Shanghai Sinopharm Chemical Reagent Co. Ltd. All other chemicals were reagent grade and were used as received. The N-vinylpyrrole was prepared by a reaction with pyrrole and 1,2-dibromoethane in the presence of KOH in a DMSO solution [19]. The polymer was then prepared by chemical oxidation as follows.…”

Section: Methodsmentioning

confidence: 99%