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A new type of biosensor has been developed based on detection of nanosized superparamagnetic particles that serve as labels in bioreactions. The method is based on non-linear magnetic material detection by a magnetic field having components at two frequencies f 1 and f 2 . The response is measured at the combinatorial frequencies f i =mf 1 +nf 2 , where m and...
Molecular analysis of plant tissues with antibodies has traditionally been hindered by the presence of high non-specific binding by plant cell walls and other components along with significant contaminants within sera that retard identification of specific plant tissue targets. Methods which rely on immobile solid supports conjugated with high-affinity molecular entities, have been used to purify...
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