Search results for: Goat Anti-Human Apolipoprotein E Polyclonal Antibody
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Effect of short- and long-term storage on human serum and recombinant apolipoprotein E concentration.
In order to assess the short- and long-term stability of apolipoprotein (apo) E concentration in serum, we compared the apo E concentrations measured in fresh human serum samples with those determined after storage at +4 degrees C, -20 degrees C or -80 degrees C. The serum apo E concentration was measured by immunoturbidimetry using an anti-human apo E polyclonal antibody from goats. One week storage at +4 degrees C did not significantly affect the serum apo E concentration. At -20 degrees C or -80 degrees C no significant change in apo E concentration occurred during up to three months of storage. Moreover, the concentration of apo E was not modified after long-term storage of serum samples kept at -196 degrees C in liquid nitrogen for up to four years. In addition, 15 freeze-thaw cycles, over a 3-week period, did not affect the apo E concentration in serum. A similar freeze-thaw procedure applied to purified human recombinant apo E showed that apo E2 isoform was the most stable in comparison with the apo E3 and apo E4 isoforms.F Schiele, M Vincent-Viry, B Herbeth, A Visvikis, G Siest
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100 mg1 kit(96 Wells)1 kit(96 Wells)96T50 mg0.1 mg10 mg96T100ul1 kit(96 Wells)1 ml100 μgRelated Pathways
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