A zamanin yau, muna iya samun damar duk ilimin ɗan adam daga ƙananan kwamfutoci a cikin aljihunmu. Duk waɗannan bayanan dole ne a adana su a wani wuri, amma manyan sabobin suna ɗaukar sararin samaniya da yawa kuma suna buƙatar kuzari mai yawa. Masu bincike na Harvard sun haɓaka sabon tsarin karatu da rubuta bayanai ta amfani da kwayoyin halitta waɗanda za su iya kasancewa da ƙarfi da aiki na dubban shekaru.
DNA shine a fahimta kayan aiki don adana bayanai a cikin duniyar halitta-zai iya adana adadi mai yawa na bayanai a cikin kankanin kwayoyin halitta kuma yana da tsayin daka, yana rayuwa har tsawon shekaru a cikin yanayi mai kyau. Kwanan nan, masana kimiyya sun binciki wannan ikon ta hanyar yin rikodin bayanai a cikin DNA a kan saman fensir, a cikin gwangwani na fenti, har ma ta hanyar ɓoye bayanai a cikin kwayoyin halitta. Amma akwai cikas ga amfani da DNA a matsayin mai ɗaukar bayanai; karantawa da rubuta shi ya kasance mai rikitarwa da jinkirin tsari.
"Za mu yi amfani da dabarar da ba ta aron tunani kai tsaye daga ilmin halitta," in ji Brian Cafferty, daya daga cikin mawallafin sabon binciken. "Maimakon haka, mun dogara da dabarun gama gari da sinadarai na ƙididdiga kuma mun ƙirƙiri wata hanya wacce ke amfani da ƙananan ƙananan ƙwayoyin ƙwayoyin cuta don ɓoye bayanai."
Maimakon DNA, masu binciken sun yi amfani da oligopeptides, ƙananan kwayoyin halitta waɗanda ke da lambobi daban-daban na amino acid. Tushen sabon matsakaicin ajiya shine microplate - farantin karfe tare da ƙananan ƙwayoyin 384. Haɗuwa daban-daban na oligopeptides ana sanya su a cikin kowane tantanin halitta don ɓoye bayanan byte ɗaya.
Tsarin yana dogara ne akan tsarin binary: idan wani oligopeptide na musamman ya kasance, ana karanta shi azaman 1, kuma idan ba haka ba, to a matsayin 0. Wannan yana nufin cewa lambar a kowace tantanin halitta na iya wakiltar harafi ɗaya ko pixel ɗaya na hoto. Makullin gane ko wane oligopeptide yake a cikin tantanin halitta shine yawansa, wanda za'a iya samuwa ta amfani da ma'auni.
A cikin gwaje-gwajen da suka yi, masu binciken sun sami damar yin rikodin, adanawa da karanta 400 KB na bayanai, gami da kwafin lacca, hoto da hoto. A cewar ƙungiyar, matsakaicin saurin rubutu ya kasance bit takwas a cikin daƙiƙa guda kuma saurin karantawa ya kasance 20 bits a sakan daya, tare da daidaiton 99,9%.
Masana kimiyya sun ce sabon tsarin yana da fa'idodi da yawa. Oligopeptides na iya zama tsayayye na ɗaruruwa ko dubban shekaru, yana mai da su kyakkyawan zaɓi don adana bayanai na dogon lokaci. Hakanan za su iya adana ƙarin bayanai a cikin ƙaramin sarari na zahiri, mai yuwuwa har ma fiye da DNA. Don haka, ana iya adana dukkan abubuwan da ke cikin Laburaren Jama'a na New York a cikin teaspoon mai cike da furotin.
Tsarin zai iya aiki tare da nau'ikan kwayoyin halitta kuma yana iya rubuta bayanai da sauri fiye da takwarorinsa na tushen DNA, kodayake masu binciken sun yarda cewa karatun na iya zama sannu a hankali. Ko ta yaya, fasahar za a iya inganta a nan gaba tare da ingantattun dabaru, kamar yin amfani da firintocin inkjet don yin rikodin bayanai da ingantattun na'urori don karantawa.
An buga binciken a cikin mujallar kimiyya .
source: 3dnews.ru