Ib pab neeg ntawm cov kws tshawb fawb los ntawm Moscow State University tau tsim ib qho kev txiav txim siab sai sai rau theem ntawm irradiation ntawm cov khoom noj ntawm cov nroj tsuag keeb kwm. Tam sim no nws muaj peev xwm txiav txim siab npaum li cas cov hluav taws xob tau nqus los ntawm cov zaub mov tsis muaj cov cuab yeej kim. Cov txiaj ntsig ntawm kev ua haujlwm tau luam tawm hauv Food Chemistry.
Feem ntau ntawm cov khoom noj khoom haus niaj hnub no yog irradiated. Qhov no tso cai rau koj kom tshem tawm cov kab mob pathogenic microorganisms, txuas lub neej txee thiab tswj kev nthuav qhia. Qhov ntau ntawm qhov yuav tsum tau muaj rau kev tua kab mob yog nyob ntawm hom khoom. Piv txwv li, cereals thiab noob yuav tsum tau siv tsawg irradiation - pua pua ntawm ib kilogray, tab sis cov txuj lom yuav tsum muaj kev cuam tshuam loj dua - txog li 10 kilograys. Irradiation ntawm cov khoom yog ib tug txheej txheem kom meej meej tswj. Lub Koom Haum Ntiaj Teb Kev Noj Qab Haus Huv tau tsim cov qauv kev tiv thaiv hluav taws xob uas muaj kev nyab xeeb rau tib neeg. Nws tseem ceeb heev uas yuav tau xyuas seb cov khoom puas tsis tau irradiated yav tas los. Qhov no yog qhov tsim nyog vim hais tias rov irradiation tuaj yeem ua mob rau cov neeg siv khoom noj qab haus huv thiab ua rau cov khoom lwj.
Chemists thiab physicists ntawm Moscow State University tau npaj ib txoj hauv kev tshiab los ua kom paub cov khoom noj cog irradiated yooj yim thiab siv tau. "Peb muaj cov qauv uas tsis yog-irradiated, ib qho qauv irradiated thiab cov qauv irradiated heev. Lawv saib tib yam. Tab sis nrog kev pab los ntawm cov txheej txheem peb tau tsim, lawv tuaj yeem sib txawv, "said co-sau ntawm txoj haujlwm Yana Zubritskaya (SINP MSU).
Rau txoj kev tshawb no, cov kws tshawb fawb tau coj cov qos yaj ywm zoo tib yam, uas feem ntau yog irradiated kom lawv tsis tawg thaum lub sij hawm ntev cia. Carbocyan dyes tau siv los ua qhov taw qhia. Cov kws tshawb fawb tau siv ob lub tswv yim. Nyob rau hauv thawj rooj plaub, cov xim hloov vim redox cov tshuaj tiv thaiv catalyzed los ntawm tooj liab ions, nyob rau hauv lub thib ob - vim aggregation ntawm cov zas xim nrog cov khoom ntawm cov tshuaj. Cov kws sau ntawv sau cov xim ntawm cov extract hauv qhov kho qhov muag siv lub koob yees duab smartphone thiab hauv cheeb tsam ze-infrared. Cov kws tshawb fawb tom qab ntawd txheeb xyuas cov ntaub ntawv tau txais.
"Peb lub tswv yim yog cov hauv qab no: cov koob tshuaj sib txawv ntawm cov hluav taws xob ua rau cov nqi sib txawv ntawm cov tshuaj tiv thaiv oxidation dye. Yog li ntawd, cov xim siv ntawm cov tshuaj zas xim thiab nws cov fluorescence nyob rau hauv cov ntaub ntawv ntawm ib tug qauv nrog ib tug high radiation koob yuav qis dua nyob rau hauv cov ntaub ntawv ntawm ib tug qauv nrog ib tug tsawg koob tshuaj, "hais Evgeniy Skorobogatov, kawm tiav cov tub ntxhais kawm ntawm lub tsev kawm ntawv. Chemistry ntawm Moscow State University.
Cov kws tshaj lij ntseeg tias qhov kev sim yooj yim tuaj yeem tsim tau raws li cov txheej txheem thev naus laus zis. Nws yuav txiav txim siab sai npaum li cas cov tshuaj tua hluav taws xob tau txais los ntawm ib qho khoom tshwj xeeb.
"Irradiation zoo heev hloov cov tshuaj muaj pes tsawg leeg ntawm cov qauv nyob rau hauv txoj kev tshawb no, yog li xyuas qhov tseeb ntawm irradiation thiab cov absorbed koob tshuaj thaum soj ntsuam cov muaj pes tsawg leeg yog heev nyuaj, lub sij hawm-siv thiab kim. Peb cov txheej txheem daws qhov teeb meem no, "said cov kws sau ntawv ntawm kev ua haujlwm. "Peb tau txo tag nrho cov txheej txheem rau cov nqi qis qis thiab cov tshuaj reagents ua raws li cov ntaub ntawv sau tseg, uas yuav tso cai rau cov txiaj ntsig hauv kev txheeb xyuas cov khoom tsim tau thiab cov nqi."