Albumin blue 580 fluorescence assay for albumin
Albumin blue 580 fluorescence assay for albumin
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DOI:
10.1006/abio.1997.2113
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发表时间:
1997-05-15
影响因子:
2.9
通讯作者:
Wolfbeis, OS
中科院分区:
文献类型:
--
作者:
Kessler, MA;Meinitzer, A;Wolfbeis, OS
brators. Surprisingly, ovalbumin gives only a very weak response, as indicated by the low value of 0.04 for calibration parameter A (ie, the initial slope of the calibration curve). This may be exploited for the specific determination of other albumins in the presence of ovalbumin.The binding of AB 580 to albumin obeys the mass action law (9). Therefore, calibration curves are nonlinear and approach a point of saturation at high albumin concentrations. The assay was found to be unprecise if performed in the upper flat region of the calibration curve. This is prevented by use of an excess of AB 580 in