umkhiqizo

Ikhithi Yokuhlola ye-Elisa ye-Aflatoxin B1

Incazelo emfushane:

Imithamo emikhulu ye-aflatoxin iholela ebuthini obunzima (i-aflatoxicosis) obungaba yingozi empilweni, ngokuvamile ngokulimala kwesibindi.

I-Aflatoxin B1 iyi-aflatoxin ekhiqizwa i-Aspergillus flavus kanye ne-A. parasiticus.Kuyi-carcinogen enamandla kakhulu.La mandla e-carcinogenic ayahlukahluka kuzo zonke izinhlobo zezilwane nezinye, njengamagundane nezinkawu, abonakala esengozini kakhulu kunezinye.I-Aflatoxin B1 iwukungcola okuvamile ekudleni okunhlobonhlobo okuhlanganisa amakinati, impuphu yekotoni, ummbila, nokunye okusanhlamvu;kanye nokudla kwezilwane.I-Aflatoxin B1 ithathwa njenge-aflatoxin enobuthi kakhulu futhi ibandakanyeka kakhulu ku-hepatocellular carcinoma (HCC) kubantu.[catation edingekayo] Ezilwaneni, i-aflatoxin B1 nayo iboniswe njenge-mutagenic, teratogenic, futhi ibangela ukucindezelwa kwamasosha omzimba.Izindlela ezimbalwa zokusampula nezindlela zokuhlaziya ezihlanganisa i-thince-layer chromatography (TLC), i-high-performance liquid chromatography (HPLC), i-mass spectrometry, kanye ne-enzyme-linked immunosorbent assay (ELISA), phakathi kokunye, isetshenziselwe ukuhlola ukungcoliswa kwe-aflatoxin B1 ekudleni. .Ngokusho kweNhlangano Yezokudla Nezolimo (i-FAO), amazinga aphezulu okubekezelelwa emhlabeni wonke e-aflatoxin B1 kubikwe ukuthi aphakathi kuka-1-20 μg/kg ekudleni, kanye no-5-50 μg/kg ekudleni kwezinkomo ngo-2003.


Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Mayelana

Le khithi ingasetshenziselwa ukuhlaziywa kwekhwalithi nenani le-aflatoxin B1 emafutheni adliwayo, amakinati, okusanhlamvu okusanhlamvu, isoso yesoya, uviniga kanye nokudla (okuphakelayo okuluhlaza , inqwaba yezinto ezixutshwe nezinto ezigxilile). ukuhlaziywa kwezinsimbi.

Lo mkhiqizo usekelwe ku-ELISA yokuncintisana engaqondile, esheshayo, enembayo futhi ezwelayo uma iqhathaniswa nokuhlaziywa kwezinsimbi okuvamile.Idinga kuphela imizuzu engama-45 ekusebenzeni okukodwa, okunganciphisa kakhulu iphutha lokusebenza kanye nokuqina komsebenzi.

Izingxenye zekhithi

• I-Microtiter plateprecoated ne-antigen, imithombo engama-96

• Isixazululo Esijwayelekile ×6ibhodlela(1ml/ibhodlela)

0ppb, 0.02ppb, 0.06ppb, 0.18ppb, 0.54ppb, 1.62ppb

• I-Enzyme conjugate 7ml……………………………………………………………..……………ikepisi elibomvu

• Isixazululo se-antibody7ml................................................................. .......................………ikepisi eliluhlaza

• I-Substrate A 7ml……………………………………………………………….…………………ikepisi elimhlophe

• I-Substrate B 7ml……………….…………………………………………………….…………ikepisi elibomvu

• Isixazululo sokumisa 7ml……….…………………………………………………………..………ikepisi eliphuzi

• 20×isixazululo sokugeza esigxilile 40ml ………………………………………………ikepisi esobala

• 2×isixazululo sokukhipha okugxilisiwe 50ml……………………………………………………ikepisi eliluhlaza okwesibhakabhaka

Ukuzwela, ukunemba nokunemba

Ukuzwela:0.05ppb

Umkhawulo wokutholwa

Isampula yamafutha adliwayo .......................................... .........................................................................0.1ppb

I-Peanut................................................. .................................................. .......................0.2ppb

Okusanhlamvu................................................. .................................................. .....................0.05ppb

Ukunemba

Isampula yamafutha adliwayo .......................................... .................................................................80±15%

I-Peanut................................................. .................................................. ....................80±15%

Okusanhlamvu................................................. .................................................. ....................80±15%

Ukunemba

I-Coefficient ehlukile yekhithi ye-ELISA ingaphansi kuka-10%.

I-Cross Rate

I-Aflatoxin B1·················100%

I-Aflatoxin B2 ······················81 .3%

I-Aflatoxin G1 ······················62%

I-Aflatoxin G2 ······················22.3%


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