Asayansi a ku Siberia apanga mankhwala opangidwa ndi selenium, zomwe zimalimbana bwino ndi mphete ya mbatata yowola, ndipo nthawi yomweyo zachuma komanso zosavuta kugwiritsa ntchito.
Monga Science ku Siberia imati, pofuna kupulumutsa mbatata ku zowola za mphete, zotengera, zida ndi zinthu zobzala zokha zimathandizidwa ndi zinthu zaukali - mwachitsanzo, hydrogen peroxide, ammonia kapena hydrochloric acid, yomwe ili yosatetezeka ku chilengedwe. Pofuna kuthana ndi kuwonongeka, akatswiri a zamoyo, pamodzi ndi ogwira ntchito ku Irkutsk Institute of Chemistry yotchedwa Favorsky SB RAS, akupanga zinthu za nanocomposite zochokera ku matrices achilengedwe.
Nano-kakulidwe selenium particles amawonjezeredwa ku chipolopolo chachilengedwe cha arabinogalactan (kuchokera ku Siberia larch), wowuma ndi carageenan (yopangidwa kuchokera ku algae wofiira). Nanocomposites sizimawononga chilengedwe, ndipo kuzigwiritsa ntchito sikovuta: zimasungunuka kwambiri m'madzi ndipo ndizoyenera kuthirira komanso kupopera mbewu mankhwalawa. Asayansi ayesa kale mankhwalawa mu labotale.
Mayankho a nanocomposite adawonjezeredwa pakuyimitsidwa kwa bakiteriya ndipo osakanizawo adasungidwa kwa maola 72. Phunzirolo linachitidwa pozindikira kuchuluka kwa kuwala kwa kuyimitsidwa kwa bakiteriya. Mankhwala ozikidwa pa matrices arabinogalactan adadziwonetsa bwino, akuchepetsa kuchuluka kwa mabakiteriya ndi 30-40%. Zinapezekanso kuti mankhwala onse amachepetsa mphamvu ya mabakiteriya kupanga biofilms, zomwe zimawathandiza kuti apulumuke m'malo ovuta.
Pankhaniyi, selenium idagwiritsidwa ntchito mopanda mphamvu ya 0,000625%. Asayansi anawonjezera kusungunuka nanocomposites kwa zomera sing'anga ndi kutsatira kukula kwa zomera, chiwerengero cha masamba ndi zina biometric magawo. Kuyeseraku kunawonetsa kuti zinthu izi zikawonjezeredwa, mbewuyo imamva bwino komanso imakula bwino pang'ono, ndipo selenium sinapezeke m'matenda a mbewu. Kuphatikiza apo, akatswiri a zamoyo adatsimikiza kuti njira zothetsera nanocomposite sizikhala ndi zotsatira zoyipa pa Rhodococcus.
Tsopano ofufuza akuyesa zotsatira za selenium pa mabakiteriya ovunda mphete pansi pa zochitika zenizeni. Kuyesera pakali pano ndi mbatata yobzalidwa mumchenga wosabala. Izi zili kale pafupi ndi zachilengedwe: zomera zimakhudzidwa ndi mabakiteriya mumlengalenga, komanso kuunikira ndi zina. Akatswiri a sayansi ya zamoyo amagwiritsa ntchito njira ziwiri zothandizira - kuthirira ndi kupopera mbewu mankhwalawa - kuti adziwe kuti ndi iti yomwe ili yothandiza kwambiri, ndipo m'chilimwe adzasamutsa kuyesa kumunda weniweni wa mbatata.
Source: https://www.popmech.ru/