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The key feature of the ViveST is a proprietary absorbent matrix on which a biological sample can be loaded by simple pipetting and allowed to dry. During the drying process, water in the biological sample is evaporated but biological analytes including proteins, virions and nucleic acids remain in the matrix. The samples can then be shipped in the dried state. While in the dried state, the samples do not require refrigeration and can therefore be kept under ambient conditions.
The matrix is housed on the screw-cap of a microcentrifuge tube such that the sample is self-contained during storage and shipping.
When the sample is needed for testing, it can be reconstituted by incubating the dried matrix with molecular grade water. The sample is recovered by mechanical force using a standard sterile syringe. Once reconstituted, the sample is ready for downstream testing.