A fast, low-cost, robust and high-throughput method for viral nucleic acid isolation based on NAxtra magnetic nanoparticles oleh Erlend Ravlo, Mirta Mittelstedt Leal de Sousa, Lise Lima Andersen, Mona Holberg-Petersen, Ingvild Klundby, Per Arne Aas, Lars Hagen, Sten Even Erlandsen, Janne Fossum Malmring, Zeeshan Ali, Anuvansh Sharma, Vegar Ottesen, Sulalit Bandyopadhyay, Magnar Bjørås