用於分析DNA的de微wei型xing傳chuan感gan器qi已yi經jing被bei開kai發fa成cheng功gong,它ta可ke以yi迅xun速su準zhun確que地di斷duan定ding食shi品pin來lai源yuan疾ji病bing的de細xi菌jun類lei型xing,使shi製zhi造zao商shang免mian受shou數shu百bai萬wan產chan品pin召zhao回hui損sun失shi和he可ke能neng產chan生sheng的de法fa律lv糾jiu紛fen。這zhe種zhong傳chuan感gan器qi是shi巴ba塞sai羅luo那naAutònoma大學(UAB)研究小組開發出來的,其尺寸和厚度和指甲相似,確定DNA類lei型xing的de時shi間jian從cong原yuan來lai的de幾ji小xiao時shi縮suo減jian到dao幾ji分fen鍾zhong。這zhe次ci開kai發fa是shi在zai分fen子zi食shi品pin檢jian測ce日ri益yi增zeng加jia的de大da環huan境jing下xia進jin行xing的de。納na米mi技ji術shu為wei監jian控kong提ti供gong了le可ke能neng性xing,這zhe在zai以yi前qian是shi根gen本ben不bu可ke能neng實shi現xian的de,最zui近jin的de發fa現xian可ke以yi提ti高gao供gong應ying渠qu道dao各ge個ge階jie段duan的de食shi品pin安an全quan。
研究員Salvador Alegret、Manuel del Valle和ariaIsabel Pividori都是UABhuaxuebuchuanganqiheshengwuchuanganqidechengyuan,tamenzaidianqihuaxuechuanganqiyanjiujingyandejichushanglianhekaifachuzhezhongxinxingchuanganqi,tongguohuaxuezuoyongquedingwuzhi,bingjiangzhezhongzuoyongzhuanhuanchengkeyihengliangdedianliu。zaijianceDNA方麵,新傳感器具備含有DNA片斷的探頭,可以完成檢測。例如為了測試蛋黃醬樣品中的沙門氏菌,探頭就具有這種類型的DNA片斷,確定基因組中的細菌。