?????????????????????COVID-19????????????????????????о????????????????硢???????????о???????С????У?COVID-19??????????????????????????????????Ч???COVID-19?????????????????????????м?????????????????????????????????????á???????????м????У???Ч???????FET???????????Ч?????????д????????COVID-19?????????ж?????λ??

??????????????????????????????????United Arab Emirates University?????о??????Scientific Reports??????????“Real-time COVID-19 detection via graphite oxide-based field-effect transistor biosensors decorated with Pt/Pd nanoparticles”??????????????????????????????COVID-19?????????????ī???Ч???????GO-FET??????????????????GO-FET??????????????????/???Pd/Pt????????????Σ?????COVID-19?????????????????У?Pd/Pt???????????????????????????????????????????????????????????ī?????????????????????ī???????1??????SARS-CoV-2????????幦??????????????????1fg/ml??100ng/ml????Χ??????????????????????????????COVID-19???????????????

??Ч???????????????????

???GO-FET??????????????p??裨Si???????????????????????裨SiO₂??????????p??????Si/SiO₂????????1????GO-FET?????????????????衣????????????????????????????????????????????????????????????????????????????????????????p??????????????о??У???????????5???????????NiCr?????50??????Au????????????NiCr?????????????Au?繅???????????????Au?繅?????????4mg/mL???????????ī???GO?????????????·???24С??????γ??Ч???????????

?1 ?????ī???Ч???????GO-FET???????????????????????

??Ч???????FET????????

??????????GO-FET?????????2???????????????Pd/Pt?????????????￡??????????????????I_d?????????????V_ds???????????????I_d??V_ds????????????????I_d????V_ds??????????????????????????????????????????????????V_ds???и????I_d?????Pd/Pt?????????????????????ī?????????????????

?2 ????????????????????????????￡??????????ī???GO??????????I_d - V_ds????

???л???

?3???????GO-FET?????????????????????3a??????繅??Au???????????????????ī???ɡ??3b??3c???????????????????ī???????COVID-19??????????????????????????COVID-19???????з???????3d???????????????з?????GO-FET?????????????????????????μ???????????????????COVID-19??????????????????????С?????3e??3f?????

?3 GO-FET????????????????

????????о?GO-FET????????????????о?????????ж????????????MERS?????????????COVID-19?????????彫GO-FET?????????????4???????MERS???幦?????GO-FET????????COVID-19??????????????κ???????????仯???????5?????GO-FET??COVID-19??????幦???????????COVID-19????????????COVID-19???????????COVID-19??????????????????????

?????????о?????о?????Pd/Pt???????????????ε?GO-FET???????????????COVID-19????????????????????????????5b??????о???????????????????????????????????????????????????????????????????????????????????δ???δ?????????????????ΔI?4.3μA????????????????????????????????ΔI?21.66μA??δ??????????????????????????????ΔI?4.2μA??δ????????????????δ?????????????????ΔI?10.96μA??????????????δ??????????Pt/Pd?????????????????ξ???????????????????????

?4 ????0.4μL 1pg/mL??COVID-19????????κ????ж????????????MERS?????????ε?GO-FET???????????????????????仯??

?5 ????0.4μL 1pg/mL??COVID-19????????κ???COVID-19??????????ε?GO-FET???????????????????????仯????a??δ???????????????b??????Pd/Pt?????????

?????????????о?????????GO-FET????????????COVID-19?????????????????????????????????????????????????COVID-19?????????????????????????????????????????????????????????????????????????

?????????https://doi.org/10.1038/s41598-022-22249-2

?????????

???1?????COVID-19???????????????????-2020?桷

???????????????????????????г?-2022?桷??