Ndepapi panoita kuti chinhu chakanaka chakawandisa chive chakaipa? Ndiwo mubvunzo Jonathan Claussen, mubatsiri purofesa pa Iowa State University's Dhipatimendi reMechanical Engineering, uye chikwata chake chevatsvakurudzi chinangwa chekubatsira varimi kupindura panyaya yekushandisa mishonga yezvipembenene. Kusashandiswa zvakanaka kunogona kukanganisa mbesa dzevarimi, ukuwo kunyanyoshandiswa kunogona kukonzera kuyerera muvhu kana mumvura.
Claussen nechikwata chake vakagadzira biosensor inoshanduka, yakaderera uye inoraswa inokwanisa kuona mishonga yezvipembenene muvhu. Iyi biosensor inogadzirwa negraphene, yakasimba uye yakagadzikana nanoparticle, uye inopa mhinduro pakarepo, kusiyana nenguva nemari zvazvingazotora kutumira sampuli kune lab uye kumirira mhinduro.
USDA's National Institute of Food and Agriculture yakatsigira chirongwa ne Zvekurima uye Zvekudya Kutsvagisa Initiative kupa sechikamu che Nanotechnology Chirongwa.
Iyo biosensor inogadzirwa nekutanga kudhinda graphene inki pabepa. Laser inozoteedza pamusoro peinki kuti ivandudze mashandiro ayo emagetsi nekubatanidza maflakes eingi yegraphene, ichiita nanostructured surface ine mativi matatu.
"Mafuraki anenge akaita semaruva emaruva ari kubuda kubva pamusoro pepepa," akadaro Claussen. "Ivo vanogadzira zvinhu zvekutanga zvekuyedza ivhu."
Kuti uite izvi, iyo biosensor inonyikwa mune slurry yevhu nemvura. Inobva yabatanidzwa kune electrochemical reader mumunda kuti iedze mushonga wezvipembenene.
"Zvakafanana neph test strip," akadaro Claussen. Mhedzisiro yemuyedzo inogona kubatsira varimi nekukurumidza kunzwisisa kuti yakawanda sei mishonga inouraya zvipembenene inodiwa kuchengetedza zvirimwa zvine hutano uye kuderedza kukuvadzwa kwezvakatipoteredza. Zvakare, mibairo inogona kubatsira varimi kunzwisisa panogona kudiwa kugadziriswa kwezvakatipoteredza kana kushandiswa kwezvipembenene zvakanyanya kunoonekwa.
Iyo biosensor ine mukana mukuru wekushandisa kunze kwenharaunda yezvekurima. Zvimiro zvaro zvinogona kushandurwa kuti zvishandiswe mubiomedical, zvakatipoteredza, kana chikafu chekuchengetedza minda, nekungoshandura iyo biological zvikamu izvo zvisingafambiswe pamusoro payo.
"Chinonyanya kundifadza nezvechirongwa ichi mabatirwo aanogona kupa pasi rose," akadaro Claussen. "Ma sensors e graphene haadi kushandiswa kwesimbi dzinokosha dzinowanzo shandiswa kuwedzera kushanda kwe electrochemical sensors. Naizvozvo, [iyi] tekinoroji inogona kushandiswa neruzhinji kuchinjika / yakaderera yemagetsi nemasensa. ”
— Selina Meiners, National Institute of Food and Agriculture
Kunobva: USDA Blog