Cov kws tshawb fawb Siberian tau tsim cov tshuaj selenium, uas zoo combat qos nplhaib rot, thiab tib lub sij hawm kev lag luam thiab siv tau yooj yim.
Raws li Kev Tshawb Fawb hauv Siberia tau tshaj tawm, txhawm rau txuag cov qos yaj ywm los ntawm lub nplhaib rot, ntim, khoom siv thiab cov khoom cog nws tus kheej raug kho nrog tshuaj lom neeg - piv txwv li, hydrogen peroxide, ammonia lossis hydrochloric acid, uas tsis muaj kev nyab xeeb rau ib puag ncig. Txhawm rau tiv thaiv kev lwj, biologists, ua ke nrog cov neeg ua haujlwm ntawm Irkutsk Institute of Chemistry muaj npe tom qab Favorsky SB RAS, tab tom tsim cov tshuaj nanocomposite raws li ntuj matrices.
Nano-loj selenium hais yog ntxiv rau lub plhaub ntuj ntawm arabinogalactan (los ntawm Siberian larch), starch thiab carageenan (synthesized los ntawm liab algae). Nanocomposites tsis ua mob rau cov xwm txheej, thiab siv lawv tsis yooj yim: lawv yog cov soluble hauv dej thiab tsim nyog rau kev ywg dej thiab tshuaj tsuag. Cov kws tshawb fawb twb tau sim cov tshuaj hauv qhov chaw kuaj mob.
Nanocomposite cov kev daws teeb meem tau ntxiv rau cov kab mob ncua sij hawm thiab qhov sib tov tau khaws cia rau 72 teev. Txoj kev tshawb no tau ua los ntawm kev txiav txim siab qhov muag pom ntawm cov kab mob raug tshem tawm. Cov tshuaj raws li arabinogalactan matrices qhia nws tus kheej kom meej meej, txo tus naj npawb ntawm cov kab mob los ntawm 30-40%. Nws kuj tau pom tias txhua yam tshuaj txo cov peev xwm ntawm cov kab mob los tsim biofilms, uas pab lawv muaj sia nyob hauv cov xwm txheej tsis zoo.
Hauv qhov no, selenium tau siv rau hauv qhov tsis muaj zog ntawm 0,000625%. Cov kws tshawb fawb ntxiv yaj nanocomposites rau cov nroj tsuag nruab nrab thiab taug qab cov nroj tsuag kev loj hlob, tus naj npawb ntawm nplooj thiab lwm yam biometric tsis. Qhov kev sim tau pom tias thaum cov tshuaj no ntxiv, cov nroj tsuag xav tau zoo thiab txawm tias loj hlob me ntsis, thiab selenium tsis pom hauv cov ntaub so ntswg. Tsis tas li ntawd, biologists tau ntseeg tias cov tshuaj nanocomposite tsis muaj qhov tsis zoo rau Rhodococcus.
Tam sim no cov kws tshawb fawb tab tom sim cov teebmeem ntawm selenium ntawm cov kab mob rot hauv cov kab mob hauv lub ntiaj teb tiag. Kev sim tam sim no tab tom ua nrog qos yaj ywm loj hlob hauv cov xuab zeb tsis muaj menyuam. Cov xwm txheej no twb tau nyob ze rau tej yam ntuj tso: cov nroj tsuag cuam tshuam los ntawm cov kab mob hauv huab cua, nrog rau cov teeb pom kev zoo thiab lwm yam. Biologists siv ob txoj kev kho mob - watering thiab spraying - kom paub seb qhov twg yog zoo dua, thiab nyob rau hauv lub caij ntuj sov lawv yuav hloov qhov kev sim mus rau ib tug tiag tiag qos teb.
Tau qhov twg los: https://www.popmech.ru/