2014
DOI: 10.1016/j.jcis.2014.08.006
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The use of gum Arabic as “Green” stabilizer of poly(aniline) nanocomposites: A comprehensive study of spectroscopic, morphological and electrochemical properties

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Cited by 46 publications
(26 citation statements)
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“…The pspectrum exhibit very low intensity, but at s-polarization, the signals were clearly seen. The s-spectrum revealed PANI bands at 1593, 1499 and 1311 cm À1 related to the presence of quinoid and benzenoid rings, and delocalized polarons, respectively [29]. The antisymmetric vibration of PSS SO 3 -group was observed at 2914 and 1174 cm À1 [52].…”
Section: Resultsmentioning
confidence: 99%
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“…The pspectrum exhibit very low intensity, but at s-polarization, the signals were clearly seen. The s-spectrum revealed PANI bands at 1593, 1499 and 1311 cm À1 related to the presence of quinoid and benzenoid rings, and delocalized polarons, respectively [29]. The antisymmetric vibration of PSS SO 3 -group was observed at 2914 and 1174 cm À1 [52].…”
Section: Resultsmentioning
confidence: 99%
“…GA-PANI nanocomposites were chemically synthesized as described previously [29], briefly, in an acid solution containing aniline (0.15 mol L À1 ) and GA in a proportion of 0.5:1 in weight, aliquots of ammonium persulphate were added and the reaction was monitored by UV-vis absorption spectra (Agilent 8453 spectrophotometer) the end of the synthesis was indicated by the plateau in the absorbance signal. Dark green dispersions were obtained, which were submitted to purification by dialyzing against distillated water through a cellulose acetate membrane (12 k Da, Sigma) during 48 hours.…”
Section: Methodsmentioning
confidence: 99%
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“…16 Thus, as shown in Fig. 21 Hence, the attraction of DEDNPP is feasible, which would concentrate and approach the reactants, enhancing the overall activity of GAIMZ, as observed in micellar catalysis, 22 again resembling enzymatic catalysis. and the phenolic product DNP.…”
mentioning
confidence: 88%
“…Biopolymers such as polysaccharides, proteins, and their complexes are widely applied as stabilizers of food additives such as flavors and colorants in aqueous dispersions . Gum arabic (GA), a polysaccharide–protein complex composed of arabinogalactan (80–90%), glycoprotein (2–4%), and arabinogalactan–protein (10–20% by weight), is a popular emulsifier and carrier of food ingredients in the food industry . In an aqueous solution, the glycoprotein constituents of GA form a wattle blossom‐like structure, with the protein portion aggregating internally and the polysaccharide chain extending outward into the aqueous phase.…”
Section: Introductionmentioning
confidence: 99%