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The method uses standard lab equipment and the nanoswitches can be easily reconfigured and made in large batches at a cost of about $0.01 per reaction.
Caspr's assay can be transported at room temperature and performed without complex external equipment, making it ideal for low-resource environments.
The test is aimed at detecting Zika antibodies in a highly specific way that avoids cross-reactivity with the dengue virus, according to the firm.
The system detects Zika virus IgM antibodies in human serum, potassium-EDTA plasma, potassium-EDTA venous whole blood, or fingerstick whole blood specimens.
The system is approved for use with the Procleix Ultrio Elite Assay, the Procleix WNV Assay, Procleix Zika Virus Assay, and the Procelix Babesia Assay.
The platform can detect a single virus in more than 1,000 samples at a time or more than 160 viruses, including SARS-CoV-2, in a small number of samples.
The company has developed a proof-of-concept single-pore sensor that it anticipates integrating into a prototype testing platform this year.
The Cobas Zika test is for use on Roche's Cobas 6800/8800 systems to screen blood donations and detects Zika virus RNA in samples of human plasma.
The company's Liaison XL Zika assay previously received Emergency Use Authorization from the FDA in 2017.
Two new grants are helping the company develop its SHERLOCK and INSPECTR technologies as the basis for creating innovative diagnostics.