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Publication Metadata only Effect of Ionic and Nonionic Carriers in Electrical Field-Flow Fractionation(2016-02-02) Mathuros Ornthai; Atitaya Siripinyanond; Bruce K. Gale; Mahidol University; Huachiew Chalermprakiet University; University of Utahmaterials and biological materials typically have high ionic strengths and high osmotic concentrations, we explore the effect of concentration for phosphate buffered saline (PBS), a typical ionic medium for biological samples, and for two nonionic materials...© 2015 American Chemical Society. A major limitation of electrical field-flow fractionation (ElFFF) is the polarization of the electrodes that occurs when using an ionic carrier liquid. As there is great interest in using ElFFF with biologicalPublication Metadata only Observation of salt-induced β-lactoglobulin aggregation using sedimentation field-flow fractionation(2006-11-01) Sudarat Saeseaw; Juwadee Shiowatana; Atitaya Siripinyanond; Mahidol University-lactoglobulin concentrations, as well as contact time, on the aggregation of β-lactoglobulin were examined. All factors exhibited a combined effect on the size of aggregates, whereby larger aggregates were obtained at increased concentrations of Zn2+and β...-lactoglobulin. At fixed concentrations of 2% (w/v) β-lactoglobulin and 10 mM Zn2+, the particle size of the aggregates increased from 0.19 μm (at 15 min) to 0.38 μm (at 2880 min). Further, a hyphenated technique of SdFFF and inductively coupled plasma-optical