SARS - 2 Tshuaj Txhuam Tshuaj Tiv Thaiv Covid 19 nruab nrab ntawm cov khoom siv ntsuas sai sai
Nta rau covdid antibody xeem cov khoom siv tsis pub cuam tshuam
A. Kuaj ntshav, ntiv tes tag nrho cov ntshav yog ua tau.
B. Nrhiav kom pom tias kev txwv: txiav: 100ng / ml, nrhiav tau ntau yam: 50 ~ 5000ng / ml
C. Yuav tsum muaj cov hnoos qeev me me. Ntshav dej, ntshav 10ul lossis tag nrho cov ntshav 20ul tau txaus.
Cov yam ntxwv ntawm nrhiav kom tau txais cov thev naus laus zis rau kev siv kub colloloid
1. Kev ua haujlwm yooj yim: Cov kauj ruam ua haujlwm, tsis tas yuav muaj cov khoom siv tshwj xeeb, thiab tsis muaj cov txuj ci tshwj xeeb, thiab tsis muaj kev txawj ntse tshwj xeeb rau tus neeg teb xov xwm tshwj xeeb
2. Ceev thiab Ceev: Tsuas yog 10 - 15 mins yuav tsim cov txiaj ntsig. Thaum lwm txoj kev xws li Elisa yuav tsum tau 1 - 2 teev, pCR siv ntev dua.
3. Qhov muaj feem ntau tshwj xeeb: vim tias cov thev naus laus zis feem ntau yog cov ntawv sau qhia txog monoclonal anyiboddies, nws tsuas yog kuaj pom ib qho kev txiav txim siab antigenic, yog li nws muaj tshwj xeeb heev.
4. Cov rhiab yog qhov tseeb
5. Qhov yooj yim rau nqa: Txij li thaum lub colloidal Kub Labing protein yog lub cev khi cov txheej txheem, cov hlua khi ruaj khov thiab tsis tshua muaj ua rau muaj cov protein ntau. Yog li ntawd, lub reaugent yog ruaj khov thiab tsis cuam tshuam los ntawm cov khoom siv sab nraud xws li kub. Nws tuaj yeem nqa nrog koj rau kev saib xyuas lub sijhawm twg los tau.
6. Kev tiv thaiv kev nyab xeeb thiab kev tiv thaiv ib puag ncig: piv nrog lwm txoj kev kuaj pom, tsis muaj zog colloidal kub zoo yooj yim ua haujlwm. Tsis muaj kev phom sij tshuaj xws li cov xov tooj cua network thiab o - Phenyylenediamine tau koom nrog hauv kev sim, yog li nws yuav tsis ua phem rau tus neeg teb xov tooj thiab tsis zoo rau ib puag ncig. , Muaj kev nyab xeeb uas tsis tuaj yeem piv nrog cov qauv kuaj pom xws li daim ntawv lo xov tooj cua network lossis enzyme.
Daim Ntawv Tso Cai Tso Cai rau Nruab Nrab Autralizing AB Antibodies sai
CE pom zoo
Tuam Tshoj cov npe dawb pom zoo nruab nrab antibody kev sim
Sau cov ntawv sau cia thiab npaj
SARS - Cov lus - 2 nruab nrab antibody ceev xeem (ntawm cov ntshav - 19 AB) (ntshav / ntshav) tuaj yeem ua tau siv cov ntshav tag nrho. Ob leeg ntiv tes tag nrho cov ntshav thiab venipuncture tag nrho cov ntshav yuav siv tau.
Mus sau ntiv tes tag nrho cov ntshav ntshav:
• Ntxuav tus neeg mob tes nrog xab npum thiab dej sov lossis huv nrog cawv cawv. Cia kom qhuav.
• Zaws tes yam tsis kov cov khoom sib tw los ntawm kev rub tawm ntawm tes ntawm cov ntiv tes ntawm cov ntiv tes lossis ntiv tes ntiv tes.
• Nkaus cov tawv nqaij nrog lub plab lancet tsis huv. So thawj lub cim ntawm cov ntshav.
• Maj mam rub ob txhais tes ntawm dab teg mus rau xibtes rau cov ntiv tes kom tsim cov ntshav ntws ntawm cov ntshav tawm.
• Ntxiv cov quav rau cov cuab yeej sim los ntawm kev siv tus tee dej lossis micropipette ntsuas ntsuas 10ul.
Cais cov ntshav qab zib lossis ntshav los ntawm cov ntshav kom sai li sai tau kom tsis txhob hemolysis. Siv cov hnoos qeev tsuas yog, tsis yog - hemolyzed townimens.
Kev kuaj yuav tsum tau ua tam sim ntawd tom qab sau cov ntawv sau cia. Tsis txhob tso cov hnoos qeev ntawm chav tsev kub rau lub sijhawm ntev. Tag nrho cov ntshav tau sau los ntawm Venipuncture yuav tsum tau muab khaws cia ntawm 2 - 8 ° C Yog tias qhov kev xeem yuav tsum tau khiav tsis pub dhau 2 hnub ntawm kev sau. Rau lub sijhawm ntev cia, cov hnoos qeev yuav tsum khaws cia hauv qab - 20 ° C.Whohoth ntshav sau los ntawm cov ntiv tes yuav tsum tau sim tam sim ntawd.
Nqa cov hnoos qeev mus rau chav sov ua ntej kuaj. Cov txheej txheem khov yuav tsum yog cov yaj tag thiab sib xyaw ua ntej ua ntej kuaj. Cov zis yuav tsum tsis txhob khov thiab yaj ntau dua li peb zaug.
Yog tias cov hnoos qeev yuav raug xa mus, lawv yuav tsum tau ntim rau hauv kev ua raws li cov cai hauv zos nrog cov kev thauj mus los ntawm lwm cov neeg sawv cev hauv nroog ntawm lwm yam.
Cov txheej txheem ntsuas
Kev nyeem txog qhov tshwm sim
Kev txwv
1. Lub SARS - Cov Lus Qhia - Qhov kev xeem no yuav tsum tau siv rau kev kuaj pom ntawm cov tshuaj tiv thaiv ne
2. SARS - Cov lus sau - 2 nruab nrab antibody ceev xeem (kab tawm hauv lub xub ntiag thiab yuav tsum tsis txhob siv los ua cov tshuaj tiv thaiv kab mob rau cov qauv tshuaj tiv thaiv.
3. Nyob rau hauv cov neeg mob rov qab, cov titer ntawm sars - Qhov zoo ntawm qhov kev pom zoo no tsis tuaj yeem suav tias yog kev txhaj tshuaj tiv thaiv kev ua tiav.
4. Qhov txuas ntxiv muaj tshwm sim lossis tsis muaj cov tshuaj tiv thaiv tsis tuaj yeem siv los txiav txim siab qhov ua tiav lossis tsis ua tiav ntawm kev kho.
5. Cov neeg mob yuav tsum txhais nrog kev ceev faj.
6. Raws li kev kuaj mob, txhua yam tshwm sim yuav tsum tau muab txhais ua ke nrog lwm cov ntaub ntawv kuaj mob muaj rau tus kws kho mob.
Kev nplig
Intra - assay
Tsis pub dhau - khiav precision tau txiav txim siab los ntawm kev siv 15 cov hnoos qeev: qhov tsis zoo, thiab ib qho tshuaj tiv thaiv rbd zoo (5ug / ml). Cov hnoos qeev tau raug txheeb xyuas yog> 99% ntawm lub sijhawm.
Inter - assay
Nruab nrab ntawm - khiav precision tau txiav txim siab los ntawm 15 tus neeg ua haujlwm ywj pheej ntawm tib ob hom hnoos qeev: qhov tsis zoo, thiab qhov zoo. Peb sib txawv ntau ntawm SARS - Cov lus qhia - 2 nruab nrab antiboddody ceev kuaj (chetid - 19 ab) tau sim siv cov qauv no. Cov hnoos qeev tau raug txheeb xyuas yog> 99% ntawm lub sijhawm.
Ceev faj
1.Txhua hauv - VERRO kuaj xyuas kev siv nkaus xwb.
2.Muaj tsis siv cov khoom siv dhau hnub tas sij hawm.
3.Tsis tsis sib xyaw cov khoom sib xyaw los ntawm cov khoom siv nrog ntau tus lej ntau.
4.Novoid microbial paug ntawm reagents.
5. Siv qhov kev xeem kom sai li sai tau tom qab qhib los tiv thaiv nws los ntawm noo noo.