The kit, developed by Gauss in collaboration with Cellex, uses a smartphone app to instruct an individual on how to collect a sample and perform the test.
VolitionRx, which develops epigenetic-based blood tests for cancer and other diseases, said it will use the proceeds of the offering for general corporate purposes.
The company said the money, which includes seed funding from Novalis Biotech, will be used in part to support the development of a saliva-based SARS-CoV-2 antigen test.
The firms said that Abcam will be the preferred supplier of gold nanoparticles and custom conjugation reagents and services for Abingdon's lateral flow assays.
Under the exclusive agreement, Thermo Fisher is distributing Mindray's BS-480 and BA-800M clinical chemistry analyzers together with its own assays in the US and Canada.
During laboratory validation, the test showed sensitivity against high viral loads of 97.1 percent and specificity of 99.9 percent, the UK government said.
The firm said that hospitals and private laboratories in key European markets will now be able to run the tests on the firm's Vidas 3 fully benchtop system.
Ortho said it intends to use the net proceeds from the offering to redeem senior notes and repay borrowings under its dollar term loan facility, among other uses.