Alat méja ViraWarn Opteev ngadeteksi ayana virus pernapasan, kalebet COVID-19 sareng flu, di jero rohangan anu ditutup. ViraWarn diwangun ku biosensor dumasar sutra anu narik pelepasan listrik virus pernapasan. Biosensor dumasar sutra diwangun ku serat sutra ipis anu dilapis ku bahan konduktif listrik. Nalika virus aya dina kontak sareng serat sutra, pelepasan virus dideteksi ku bahan konduktif. Upami virus pernapasan dipendakan, lampu LED dina alat diaktipkeun, sareng alarm diputer pikeun ngingetkeun jalma ngeunaan ayana virus. Biosensor tiasa diganti sakali éta parantos ngadeteksi virus sababaraha kali.
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