Carbonization of methacrylonitrile and methacrylic acid copolymer with subsequent investigation of carbonized products

Barkauskas, Jurgis; Budrienė, Saulutė; Dervinyte, M.

doi:10.1016/j.jaap.2003.10.002

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Cited by 6 publications

(1 citation statement)

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“…The imidazolium content of the SPEEK-Bmim was measured with the Kjeldahl method by converting the organic nitrogen into inorganic ammonium salt. 32 The ammonium sulfate generated by digestion reacted with acetylacetone and malondialdehyde to form a yellow product in sodium acetate-acetic acid buffer solution (pH 4.8). The imidazolium content of the SPEEK-Bmim, i.e., 1.54 mmol g À1 , was thus determined by spectrophotometry at 400 nm.…”

Section: Preparation Of Materialsmentioning

confidence: 99%

Imidazolium-modified sulfonated polyetheretherketone for selective isolation of hemoglobin

et al. 2013

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Section: Preparation Of Materialsmentioning

confidence: 99%

Imidazolium-modified sulfonated polyetheretherketone for selective isolation of hemoglobin

et al. 2013

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Selective isolation of hemoglobin by use of imidazolium-modified polystyrene as extractant

Zhao

Chen

et al. 2013

Anal Bioanal Chem

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Ionic liquids have attracted much attention in the analysis of a variety of species. The functional groups in ionic liquids can result in highly efficient separation and enrichment and, because of their typical lack of volatility, they are environmentally benign. We grafted imidazole cations onto the surface of chloromethyl polystyrene, denoted PS-CH2-[MIM](+)Cl(-), and this modified polymer was used to selectively extract the protein hemoglobin (Hb). The prepared extractant PS-CH2-[MIM](+)Cl(-), containing 2 mmol immobilized imidazole groups per gram polymer, was characterized by FT-IR, surface charge analysis, and elemental analysis. The adsorption efficiency was 91%. The adsorption capacity of the PS-CH2-[MIM](+)Cl(-) for Hb was 23.6 μg mg(-1), and 80% of the retained Hb could be readily recovered by use of 0.5% (m/v) aqueous sodium dodecyl sulfate (SDS) solution as eluate. The activity of the eluted Hb was approximately 90%. The prepared imidazole-containing solid phase polymer was used for direct adsorption of Hb without use of any other solid matrix as support of the ionic liquid. The material was used in practice to isolate Hb from human whole blood.

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Exfoliated production of single- and multi-layer graphenes and carbon nanofibres from the carbonisation of a co-polymer

Korobeinyk¹,

Whitby²,

Salvage³

et al. 2012

Carbon

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Carbonization of methacrylonitrile and methacrylic acid copolymer with subsequent investigation of carbonized products

Cited by 6 publications

References 15 publications

Imidazolium-modified sulfonated polyetheretherketone for selective isolation of hemoglobin

Imidazolium-modified sulfonated polyetheretherketone for selective isolation of hemoglobin

Selective isolation of hemoglobin by use of imidazolium-modified polystyrene as extractant

Exfoliated production of single- and multi-layer graphenes and carbon nanofibres from the carbonisation of a co-polymer

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