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Clostridium Difficile Rapid Test

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    Clostridium Difficile Rapid Test

    Kev sim sai rau kev kuaj pom zoo ntawm Clostridium difficile kab mob hauv cov quav. Rau kev kuaj mob hauv vitro nkaus xwb.



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    Summary of Safety and Performance

    Khoom cim npe

    YUAV TSUM SIV 

    Clostridium difficile yog cov kab mob anaerobic uas ua rau cov kab mob kis tau yooj yim: nws loj hlob hauv cov hnyuv thaum cov nroj tsuag ib txwm tau hloov pauv los ntawm kev kho mob nrog tshuaj tua kab mob. Toxinogenic strains ntawm Clostridium difficile ua rau muaj kab mob los ntawm mob raws plab mus rau pseudomembranous colitis, uas ua rau tuag taus. Kab mob yog tshwm sim los ntawm ob co toxins uas tsim los ntawm toxinogenic hom ntawm C.difficile: Toxin A (cov ntaub so ntswg - ua puas enterotoxin) thiab Toxin B (cytotoxin). Qee hom tsim cov tshuaj lom A thiab B, qee qhov ua rau Toxin B nkaus xwb. Lub luag haujlwm tseem ceeb ntawm qhov thib peb (binary) cov tshuaj lom hauv pathogenicity tseem tab tom sib cav. Kev siv Glutamate Dehydrogenase (GDH) ua tus cim antigen ntawm C.difficile proliferation tau pom tias muaj txiaj ntsig zoo vim tias txhua hom kab mob tsim cov enzyme no ntau. Clostridium K-SeT tso cai rau qhov kev kuaj pom ntawm C.difficile's GDH hauv cov quav quav. Cov qauv uas muaj qhov zoo Clostridium K-SeT cov txiaj ntsig yuav tsum tau tshawb xyuas ntxiv txhawm rau txhawm rau kuaj cov kab mob toxicity.

    TSEEM CEEB  

    Clostridia (cov tswv cuab ntawm cov genus Clostridium) yog cov kab mob anaerobic, cov kab mob motile, ubiquitous hauv xwm, thiab tshwj xeeb tshaj yog muaj nyob rau hauv av. Nyob rau hauv lub microscope, lawv tshwm raws li ntev, tsis xwm yeem (feem ntau drumstick - los yog spindle - zoo li tus) hlwb nrog ib tug bulge ntawm lawv lub davhlau ya nyob twg. Nyob rau hauv Gram staining, C. difficile hlwb yog Gram - zoo thiab qhia qhov kev loj hlob zoo ntawm cov ntshav agar ntawm tib neeg lub cev kub thaum tsis muaj oxygen. Thaum muaj kev ntxhov siab, cov kab mob tsim cov kab mob uas muaj peev xwm zam tau cov xwm txheej hnyav uas cov kab mob nquag ua tsis tau. C. difficile yuav tsim nyob rau hauv tib neeg txoj hnyuv; nws muaj nyob rau hauv 2-5% ntawm cov neeg laus. Qee lub sij hawm kev kho tshuaj tua kab mob rau ntau yam kab mob muaj qhov cuam tshuam tsis zoo ntawm kev cuam tshuam kev sib npaug ntawm cov plab hnyuv, nyob rau hauv rooj plaub no C. difficile tuaj yeem ua rau muaj kev cuam tshuam, ua rau muaj kab mob Clostridium difficile.

    LUS QHIA RAU SIV  

    Tso cai rau cov cuab yeej ntsuas, ntsuas tus qauv thiab tsis muaj qhov sib npaug ntawm chav sov (15-30 ° C) ua ntej kev sim. Thov xa mus rau daim npav txheej txheem hauv cov khoom siv no. Qhib lub hnab thiab tshem tawm lub cuab yeej. Thaum qhib, khiav qhov kev sim tam sim ntawd. Qhia tus neeg mob lub npe lossis tus lej kuaj ntawm lub cuab yeej (ib qho khoom siv rau ib qho qauv)

    1. Qhib lub raj FSS thiab siv cov ntsia hlau los sau cov quav (A). Qhov sib piv ntawm dilution yuav tsum yog li 4% w/v. Saib xyuas kom tsis txhob noj ntau dhau (B1) lossis tsawg dhau (B2). Rau cov kua los yog semi-kua qauv, pipette 80 μL ntawm cov qauv siv lub micropipette (tsis muab) rau hauv FSS vial.

    2. Ntxig cov ntsia hlau rau hauv FSS thiab tuav lub hau kom nruj. Vortex qhov kev npaj rau homogenize (C). Tag nrho cov quav quav yuav tsum tau muab tshem tawm mus rau hauv cov tshuaj.

    3. Tshem tawm qhov taw tes ntawm lub hau (D) thiab muab 4 tee ntawm cov qauv diluted mus rau hauv cov qauv zoo ntawm lub cuab yeej raws li cov duab hauv qab no. Txhawm rau kom muaj kev xa khoom zoo, FSS vial yuav tsum tau tuav ntsug 4. Cia kom hnov ​​​​mob rau 15 feeb. Cov txiaj ntsig tau pom nyob rau hauv lub qhov rais nyeem ntawv.

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