Abstract
Chromatofocusing performed by the Pharmacia fast protein liquid chromatographic system equipped with a specially designed small column was applied for examinations of submilligram quantities of cerebrospinal fluid and serum immunoglobulin G. The separations were based on a pH gradient between 9.5 and 6.0. Mono- or oligoclonal immunoglobulin G components having p I values within the optimal working range of the gradient were easily identified and the findings differed clearly from those of normal immunoglobulin G. The capacity to detect abnormal immunoglobulin G components compared well with previous experiences from the commercially available Mono P column. The small column offers advantages by having a shorter separation time, a decreased dilution of sample in the eluate and a lower consumption of start and eluent buffers.
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Schedule a callMore From: Journal of Chromatography B: Biomedical Sciences and Applications
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