Beyond the shadow of a doubt: Detecting antigens, antibodies, pathogens, tumor markers, and potential therapeutics on the femto- to attomolar concentration level is still challenging. Nanostructured materials and the innovative combination of immunoassays with (real-time) PCR and magnetic separation techniques hold promise for the field of ultrasensitive protein analytics.
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Susanne Brakmann (2004) studied this question.
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