Ithimba lososayensi abavela eMoscow State University lenze uhlelo olunquma ngokushesha izinga lokushiswa kwemisebe yemikhiqizo yokudla yemvelaphi yezitshalo. Manje sekungenzeka ukunquma ukuthi ingakanani imisebe eye yamuncwa ukudla ngaphandle kwemishini ebizayo. Imiphumela yomsebenzi yanyatheliswa ku-Food Chemistry.
Iningi lemikhiqizo yokudla namuhla ifakwe imisebe. Lokhu kukuvumela ukuthi ukhiphe ama-microorganisms we-pathogenic, wandise impilo yeshalofu futhi ugcine isethulo. Ibanga lokuchayeka elidingekayo ukuze kubulawe amagciwane lincike ohlotsheni lomkhiqizo. Isibonelo, okusanhlamvu nembewu kudinga umfutho ophansi we-irradiation - amakhulukhulu wekhilogrey, kepha izinongo zidinga umthelela ongathi sína - kufika kuma-kilogram ayi-10. I-radiation yemikhiqizo yinqubo elawulwa ngokucacile. I-World Health Organization isungule amazinga okuchayeka emisebeni aphephile kubantu. Kubalulekile futhi ukubheka ukuthi umkhiqizo awuzange ukhanyiswe yini ngaphambilini. Lokhu kuyadingeka ngoba ukukhanya okuphindaphindiwe kungalimaza impilo yabathengi futhi konakalise imikhiqizo.
Osokhemisi kanye nezazi ze-physics eMoscow State University baye bahlongoza indlela entsha yokwenza ukuhlonza ukudla kwezitshalo okufakwe imisebe kube lula futhi kufinyeleleke. “Sinesampula elingakhiqiziwe, isampula elifakwe imisebe kanye nesampula enokukhanya kakhulu. Ziyafana. Kodwa ngosizo lwesu esilisungulile, bangahlukaniswa, ”kusho omunye umbhali womsebenzi u-Yana Zubritskaya (SINP MSU).
Ocwaningweni, ososayensi bathathe amazambane ajwayelekile, ajwayele ukushiswa ukuze angaqhumi ngesikhathi sokugcina isikhathi eside. Odayi beCarbocyan basetshenziswa njengenkomba. Ososayensi basebenzisa amacebo amabili. Esimweni sokuqala, umbala ushintshile ngenxa yokusabela kwe-redox okwenziwe yi-ion yethusi, okwesibili - ngenxa yokuhlanganiswa kwedayi nezingxenye zesixazululo. Ababhali baqophe umbala wokukhishwa ebangeni le-optical usebenzisa ikhamera ye-smartphone kanye nesifunda esiseduze ne-infrared. Ososayensi babe sebehlaziya ukwaziswa abakuthola.
“Umbono wethu yilokhu okulandelayo: imithamo ehlukene yemisebe iholela emazingeni ahlukene okusabela kwe-oxidation kadayi. Ngenxa yalokho, ukuqina kombala wesixazululo sikadayi kanye ne-fluorescence yayo uma kwenzeka isampula enomthamo ophezulu wemisebe izoba ngaphansi uma kwenzeka isampula enomthamo ophansi, "kuchaza u-Evgeniy Skorobogatov, umfundi othweswe iziqu e-Faculty. I-Chemistry yaseMoscow State University.
Ochwepheshe bakholelwa ukuthi uhlelo lokuhlola olulula lungathuthukiswa ngokusekelwe kubuchwepheshe obuhlongozwayo. Izonquma ngokushesha umthamo wemisebe owamukelwe umkhiqizo othile.
“Ukushiswa kwemisebe kushintsha kakhulu ukwakheka kwamakhemikhali esampula esicwaningwayo, ngakho ukuthola iqiniso lokushiswa kwemisebe kanye nomthamo omuncwayo lapho uhlaziya ukwakheka kwawo kunzima kakhulu, kudla isikhathi futhi kuyabiza. Ikhono lethu liyayixazulula le nkinga,” kusho ababhali balo msebenzi. "Siyehlise yonke inqubo yaba izivivinyo ezingabizi kakhulu kanye nama-reagents alandelwa ukucutshungulwa kwedatha yezibalo, okuzovumela izinzuzo ekuhlaziyeni umkhiqizo kanye nezindleko."