快速(su)顯(xian)(xian)色(se)農(nong)藥殘(can)留檢測(ce)(ce)試劑是(shi)一種(zhong)、便捷的(de)(de)(de)檢測(ce)(ce)工具，能夠在短時(shi)間內(nei)準確(que)判斷食(shi)(shi)品(pin)中是(shi)否(fou)存在高(gao)劑量的(de)(de)(de)有機磷(lin)或氨基甲(jia)酸(suan)酯(zhi)類農(nong)藥殘(can)留。這種(zhong)試劑基于(yu)膽堿(jian)酯(zhi)酶（ChE）催化反(fan)應(ying)原理工作(zuo)(zuo)：在正常條件下，膽堿(jian)酯(zhi)酶會催化神(shen)經傳導代(dai)謝產(chan)物(wu)(wu)類似(si)物(wu)(wu)水解；其水解產(chan)物(wu)(wu)與特定的(de)(de)(de)顯(xian)(xian)色(se)劑發生(sheng)化學反(fan)應(ying)后會產(chan)生(sheng)顏色(se)變化——通(tong)常是(shi)黃色(se)物(wu)(wu)質的(de)(de)(de)形成。通(tong)過(guo)分光光度(du)(du)計等(deng)儀(yi)器在412nm波(bo)長(chang)下測(ce)(ce)定吸光度(du)(du)的(de)(de)(de)變值(ΔA)，可以(yi)計算出酶的(de)(de)(de)抑(yi)制(zhi)率進(jin)而判斷出樣品(pin)中的(de)(de)(de)農(nong)藥含量是(shi)否(fou)超(chao)標(biao)。通(tong)常規(gui)定當(dang)抑(yi)制(zhi)率達到50%或以(yi)上(shang)時(shi)視(shi)為檢測(ce)(ce)結果陽性即(ji)存在過(guo)量的(de)(de)(de)農(nong)藥殘(can)余情況需進(jin)一步(bu)處理確(que)認(ren)。實際操作(zuo)(zuo)過(guo)程(cheng)中需要提(ti)前(qian)配置好(hao)緩沖(chong)溶液(ye)并將它分別加入(ru)到含有乙酰(xian)膽堿(jian)脂酶、底物(wu)(wu)和(he)顯(xian)(xian)示劑的(de)(de)(de)瓶子當(dang)中去，同(tong)時(shi)設(she)置好(hao)恒溫箱和(he)檢測(ce)(ce)儀(yi)器等(deng)待使用；再將待檢測(ce)(ce)的(de)(de)(de)農(nong)產(chan)品(pin)樣本進(jin)行適當(dang)處理后提(ti)取(qu)出相關液(ye)體并與之前(qian)準備(bei)好(hao)的(de)(de)(de)各種(zhong)化學制(zhi)劑混合均勻(yun)在一定的(de)(de)(de)溫度(du)(du)下經過(guo)一段時(shi)間的(de)(de)(de)反(fan)應(ying)后即(ji)可利用專門的(de)(de)(de)設(she)備(bei)讀取(qu)數據得出結果整個過(guo)程(cheng)可以(yi)在幾分鐘內(nei)完成極大提(ti)高(gao)了工作(zuo)(zuo)效率的(de)(de)(de)同(tong)時(shi)也確(que)保了食(shi)(shi)品(pin)安全(quan)的(de)(de)(de)有效監(jian)控及時(shi)預警潛在風險保護公眾健康免受有害物(wu)(wu)質侵害同(tong)時(shi)也為農(nong)業生(sheng)產(chan)者(zhe)提(ti)供了有力的(de)(de)(de)技(ji)術支撐幫助其提(ti)高(gao)產(chan)品(pin)質量滿足市場需求促進(jin)可持(chi)續發展目標(biao)的(de)(de)(de)實現(xian).

高(gao)精度(du)農(nong)(nong)(nong)藥(yao)(yao)殘留檢(jian)(jian)(jian)(jian)測試(shi)(shi)劑：開啟食(shi)品(pin)安(an)全(quan)檢(jian)(jian)(jian)(jian)測新(xin)紀元在(zai)食(shi)品(pin)安(an)全(quan)備(bei)受關(guan)注(zhu)的(de)當下，高(gao)精度(du)農(nong)(nong)(nong)藥(yao)(yao)殘留檢(jian)(jian)(jian)(jian)測試(shi)(shi)劑憑借其突破性的(de)技(ji)(ji)術創新(xin)，正在(zai)重塑行業檢(jian)(jian)(jian)(jian)測標(biao)(biao)準。該試(shi)(shi)劑采用點(dian)熒(ying)(ying)光(guang)(guang)標(biao)(biao)記與分(fen)子印(yin)跡(ji)技(ji)(ji)術相(xiang)結合(he)(he)的(de)復(fu)合(he)(he)傳(chuan)(chuan)感體(ti)系，通(tong)過(guo)(guo)靶向(xiang)識別農(nong)(nong)(nong)藥(yao)(yao)分(fen)子特征(zheng)結構(gou)(gou)，實現了對有機(ji)磷(lin)、擬除蟲菊酯(zhi)等(deng)五(wu)大類農(nong)(nong)(nong)藥(yao)(yao)的(de)檢(jian)(jian)(jian)(jian)測，檢(jian)(jian)(jian)(jian)測靈敏(min)度(du)達到(dao)0.01ppm，重復(fu)性誤差控(kong)制在(zai)±1.2%以內(nei)，較傳(chuan)(chuan)統酶抑制法提(ti)升(sheng)兩個數(shu)(shu)量(liang)級(ji)。技(ji)(ji)術突破體(ti)現在(zai)三方面：首先，基(ji)于(yu)納(na)米級(ji)分(fen)子印(yin)跡(ji)聚(ju)合(he)(he)物構(gou)(gou)建(jian)的(de)'人(ren)工'，可(ke)特異(yi)性捕(bu)獲(huo)目(mu)(mu)標(biao)(biao)分(fen)子，消除基(ji)質(zhi)干(gan)(gan)擾；其次(ci)，點(dian)熒(ying)(ying)光(guang)(guang)探針通(tong)過(guo)(guo)共振(zhen)能量(liang)轉移機(ji)制，將分(fen)子結合(he)(he)信號放大103倍(bei)；，配套的(de)智(zhi)能比色(se)算法可(ke)自動校正環境變量(liang)，使(shi)檢(jian)(jian)(jian)(jian)測結果(guo)與實驗室色(se)譜法（HPLC）的(de)相(xiang)關(guan)系數(shu)(shu)達0.998。經國家農(nong)(nong)(nong)產(chan)品(pin)質(zhi)量(liang)安(an)全(quan)檢(jian)(jian)(jian)(jian)測中心驗證，對219種常(chang)見農(nong)(nong)(nong)藥(yao)(yao)的(de)交(jiao)叉反應率(lv)低(di)于(yu)0.3%，假陽性率(lv)趨近于(yu)零。該試(shi)(shi)劑創新(xin)性地采用凍干(gan)(gan)微球封裝(zhuang)工藝，單次(ci)檢(jian)(jian)(jian)(jian)測成(cheng)本(ben)降(jiang)低(di)至傳(chuan)(chuan)統試(shi)(shi)紙的(de)1/5，操作時間(jian)(jian)縮短至8分(fen)鐘(zhong)，配合(he)(he)便(bian)攜式熒(ying)(ying)光(guang)(guang)讀數(shu)(shu)儀，可(ke)在(zai)田間(jian)(jian)、超市等(deng)場景實現即時檢(jian)(jian)(jian)(jian)測。目(mu)(mu)前(qian)已應用于(yu)28個省級(ji)農(nong)(nong)(nong)產(chan)品(pin)質(zhi)量(liang)安(an)全(quan)監測站，累計完成(cheng)200萬批(pi)次(ci)樣本(ben)篩(shai)查(cha)，農(nong)(nong)(nong)殘快速(su)檢(jian)(jian)(jian)(jian)測試(shi)(shi)劑盒，助力(li)監管(guan)部(bu)門將抽檢(jian)(jian)(jian)(jian)覆蓋率(lv)提(ti)升(sheng)40%，推動我國農(nong)(nong)(nong)產(chan)品(pin)合(he)(he)格(ge)率(lv)連續三年保持在(zai)98%以上，為構(gou)(gou)建(jian)從農(nong)(nong)(nong)田到(dao)餐桌的(de)全(quan)鏈條監管(guan)體(ti)系提(ti)供了關(guan)鍵技(ji)(ji)術支撐(cheng)。

**農藥(yao)(yao)殘(can)(can)留(liu)(liu)(liu)檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)劑(ji)(ji)：守護(hu)餐(can)桌(zhuo)安(an)(an)全(quan)的(de)(de)(de)科技衛士**在(zai)食(shi)品(pin)(pin)(pin)安(an)(an)全(quan)問題備(bei)受關注(zhu)的(de)(de)(de)今天(tian)，茶葉農殘(can)(can)快速檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)劑(ji)(ji)，農藥(yao)(yao)殘(can)(can)留(liu)(liu)(liu)超(chao)標已成(cheng)(cheng)為(wei)威脅消(xiao)費者健康的(de)(de)(de)重(zhong)要(yao)隱患。長期攝入(ru)(ru)含(han)農藥(yao)(yao)殘(can)(can)留(liu)(liu)(liu)的(de)(de)(de)果蔬、糧食(shi)，可能引(yin)發慢(man)性、下降(jiang)(jiang)甚至(zhi)(zhi)(zhi)致癌風險(xian)。如何便捷地(di)篩查生鮮食(shi)材(cai)的(de)(de)(de)安(an)(an)全(quan)性？農藥(yao)(yao)殘(can)(can)留(liu)(liu)(liu)檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)劑(ji)(ji)作為(wei)一項創新技術，正(zheng)(zheng)成(cheng)(cheng)為(wei)保障食(shi)材(cai)品(pin)(pin)(pin)質(zhi)的(de)(de)(de)“道防(fang)線(xian)”。###**，檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)難(nan)題**傳統農藥(yao)(yao)殘(can)(can)留(liu)(liu)(liu)檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)依賴實(shi)驗室(shi)色(se)譜(pu)分(fen)析(xi)，流(liu)程復雜、成(cheng)(cheng)本高(gao)且耗時(shi)久，難(nan)以滿足生鮮產(chan)品(pin)(pin)(pin)快速流(liu)通(tong)(tong)的(de)(de)(de)需求。而(er)現(xian)代農藥(yao)(yao)殘(can)(can)留(liu)(liu)(liu)檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)劑(ji)(ji)基于酶(mei)抑(yi)制(zhi)法、層析(xi)等(deng)技術開發，操作簡單：只(zhi)需將(jiang)樣本提取液滴入(ru)(ru)試(shi)(shi)(shi)(shi)(shi)劑(ji)(ji)卡，10-15分(fen)鐘內即(ji)可通(tong)(tong)過顯(xian)色(se)反應判斷結果。例如，有機磷類農藥(yao)(yao)會抑(yi)制(zhi)膽堿酯酶(mei)活性，導致試(shi)(shi)(shi)(shi)(shi)紙顯(xian)色(se)異常(chang)，從而(er)定性或半定量檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)殘(can)(can)留(liu)(liu)(liu)量。部分(fen)高(gao)靈敏度(du)試(shi)(shi)(shi)(shi)(shi)劑(ji)(ji)甚至(zhi)(zhi)(zhi)可檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)出0.01mg/kg的(de)(de)(de)微量殘(can)(can)留(liu)(liu)(liu)，接近儀器精(jing)度(du)。###**多場景應用(yong)，筑(zhu)牢安(an)(an)全(quan)防(fang)線(xian)**這類試(shi)(shi)(shi)(shi)(shi)劑(ji)(ji)的(de)(de)(de)普及讓檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)場景從實(shi)驗室(shi)延伸到田間地(di)頭(tou)、商超(chao)貨架(jia)乃(nai)至(zhi)(zhi)(zhi)家(jia)庭廚房。農戶可在(zai)采(cai)收前自查，避(bi)免問題產(chan)品(pin)(pin)(pin)流(liu)入(ru)(ru)市場；生鮮超(chao)市配(pei)備(bei)試(shi)(shi)(shi)(shi)(shi)劑(ji)(ji)開展入(ru)(ru)場抽檢(jian)(jian)(jian)(jian)(jian)，提升消(xiao)費者信任(ren)度(du)；家(jia)庭用(yong)戶也能隨(sui)時(shi)篩查食(shi)材(cai)，農殘(can)(can)快速檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)劑(ji)(ji)廠商，尤其適(shi)用(yong)于嬰(ying)幼(you)兒(er)食(shi)品(pin)(pin)(pin)的(de)(de)(de)預處(chu)理。通(tong)(tong)過“管控+流(liu)通(tong)(tong)監督(du)+終端(duan)自檢(jian)(jian)(jian)(jian)(jian)”的(de)(de)(de)三(san)重(zhong)防(fang)護(hu)網，大幅降(jiang)(jiang)低(di)農藥(yao)(yao)超(chao)標食(shi)材(cai)的(de)(de)(de)流(liu)通(tong)(tong)概率。###**推(tui)動行業(ye)(ye)規范化發展**農藥(yao)(yao)殘(can)(can)留(liu)(liu)(liu)檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)劑(ji)(ji)的(de)(de)(de)應用(yong)不僅為(wei)個體安(an)(an)全(quan)護(hu)航，更(geng)倒逼農業(ye)(ye)生產(chan)端(duan)減少高(gao)毒農藥(yao)(yao)使用(yong)，促進綠色(se)種植技術的(de)(de)(de)推(tui)廣。監管部門可依托快速檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)實(shi)現(xian)大規模篩查，結合實(shi)驗室(shi)復檢(jian)(jian)(jian)(jian)(jian)完善監管體系。隨(sui)著(zhu)試(shi)(shi)(shi)(shi)(shi)劑(ji)(ji)成(cheng)(cheng)本降(jiang)(jiang)低(di)（單次檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)費用(yong)已降(jiang)(jiang)至(zhi)(zhi)(zhi)5-10元）和(he)智能化升級（如手機APP比色(se)分(fen)析(xi)），這項技術正(zheng)(zheng)成(cheng)(cheng)為(wei)食(shi)品(pin)(pin)(pin)安(an)(an)全(quan)社(she)會共治的(de)(de)(de)重(zhong)要(yao)工具。從農田到餐(can)桌(zhuo)，揚州農殘(can)(can)快速檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)劑(ji)(ji)，農藥(yao)(yao)殘(can)(can)留(liu)(liu)(liu)檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)劑(ji)(ji)以“科技之眼”守護(hu)每(mei)一份食(shi)材(cai)的(de)(de)(de)純(chun)凈，讓消(xiao)費者吃得安(an)(an)心，更(geng)推(tui)動著(zhu)食(shi)品(pin)(pin)(pin)產(chan)業(ye)(ye)向透(tou)明化、標準化邁(mai)進。未來，隨(sui)著(zhu)納米(mi)材(cai)料、生物傳感等(deng)技術的(de)(de)(de)融合，檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)效率與精(jing)度(du)將(jiang)進一步提升，為(wei)食(shi)品(pin)(pin)(pin)安(an)(an)全(quan)治理提供更(geng)具普適(shi)性的(de)(de)(de)解(jie)決方案(an)。