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Intermolecular interactions between surfactants and cationic dyes and effect on antimicrobial properties

Nastaran Hashemi, Auteur ; Gang Sun, Auteur |

Dans Industrial & engineering chemistry research (Vol. 49 N° 18, Septembre 2010)

Cationic molecules can interact with anionic and other cationic species in solutions. Electrostatic and hydrophobic interactions between two series of cationic antimicrobial dyes and several surfactants were studied using a UV−vis spectrophotome[...]

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New refreshable n-halamine polymeric biocides: n-chlorination of acyclic amide grafted cellulose

Song Liu, Auteur ; Gang Sun, Auteur |

Dans Industrial & engineering chemistry research (Vol. 48 N°2, Janvier 2009)

Acyclic N-halamine structures have demonstrated antibacterial functions similar to cyclic N-halamine. Precursors of acyclic halamine such as acrylamide and methacrylamide can be easily grafted onto surfaces of substrates via radical polymerizati[...]

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Oxidative degradation of organophosphorous pesticides by -nhalamine fabrics

Xin Fei, Auteur ; Gang Sun, Auteur |

Dans Industrial & engineering chemistry research (Vol. 48 N° 12, Juin 2009)

Cotton and cotton/polyester fabrics containing halamine structures were able to react with certain organophosphorus pesticides upon contact. The reaction occurred at thione group in methyl parathion and malathion, and reaction products were oxon[...]

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Production of reactive oxygen species by photoactive anthraquinone compounds and their applications in wastewater treatment

Ning Liu, Auteur ; Gang Sun, Auteur |

Dans Industrial & engineering chemistry research (Vol. 50 N° 9, Mai 2011)

2-Anthraquinone sulfonate (2-AQS) was found to exhibit an abnormally high singlet-oxygen quantum yield in aqueous solution after UVA irradiation based on a widely used testing method for singlet oxygen. To discover the cause of the abnormal resu[...]

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