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This application note focuses on Spear Bio’s NAB-Sure™ as an ultra-sensitive alternative to gold-standard cell-based assays. NAB-Sure was developed with SPEAR technology to provide PRNT-quality SARS-CoV-2 neutralizing antibody measurements. SPEAR is an advancement over the conventional proximity extension assay that enables the detection of low-abundant proteins with exceptional sensitivity. SPEAR offers easy integration and scalability within any lab setting without sacrificing accuracy, in contrast to cell-based assays.
