Σάββατο 17 Νοεμβρίου 2018

An immunological determination of somatostatin in pharmaceutical by sandwich ELISA based on IgY and polyclonal antibody

Publication date: March 2019Source: Microchemical Journal, Volume 145Author(s): Yingshan Chen, Yuxin Liang, Rui Lv, Nana Xia, Tianjian Xue, Suqing ZhaoAbstractA sensitive and specific enzyme-linked immunosorbent assay (ELISA) for the detection of Somatostatin based on double antibody sandwich method was studied in this paper. The Somatostatin specific Yolk antibody (IgY) and polyclonal antibody were available to Somatostatin-conjugated KLH immunized rabbits and chickens used to construct the sandwich ELISA for the measurement of Somatostatin. The limit of detection was 0.1 μg/mL and the half maximal inhibitory concentration (IC50) was 0.859 μg/mL. The method developed in the study showed no evident cross-reactivity with other similar analogs. The recoveries of Somatostatin spiked man...

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