Cystine Tryptic Agar thiab CTA Medium (Cystine Trypticase ™ Agar Medium) yog rau kev saib xyuas cov kab mob, nrog rau kev kuaj xyuas cov kab mob motility thiab, nrog ntxiv carbohydrate, rau fermentation tshwm sim ntawm fastidious microorganisms; i.e., Neisseria, pneumococci, streptococci thiab nonsporeforming…
Vim li cas cystine trypticase agar nruab nrab tig los ntawm liab mus rau daj yog tias siv cov carbohydrates?
Thaum cov carbohydrate tam sim no metabolized los ntawm cov kab mob, cov organic acids raug tsim thiab cov nruab nrab yuav acidified. Cov kua qaub uas tsim los ntawm carbohydrate fermentation ua rau txo qis hauv pH, ua rau xim hloov hauv nruab nrab ntawm liab-liab mus rau daj.
Puas yog cystine tryptic agar CTA carbohydrate kuaj tseem pom zoo rau kev kuaj xyuas cov kua qaub ntawm Neisseria hom?
ua ntej cov qauv tshuaj tiv thaiv tuaj yeem txiav txim siab. CTA- carbohydrate tests tsis pom zoo rau kev kuaj cov kua qaub tsim los ntawm hom Neisseria.
CTA xeem hauv microbiology yog dab tsi?
Cystine tryptic agar (CTA), tseem hu ua cystine trypticase agar, yog a loj hlob nruab nrab siv rau kev txheeb xyuas cov kab mob.
Qhov kev ntsuas twg yog siv los txiav txim siab cov kua qaub los ntawm cov piam thaj?
Methyl Red / Voges-Proskauer (MR/VP) Kev ntsuas no yog siv los txiav txim seb txoj kev fermentation twg yog siv los siv cov piam thaj. Hauv txoj kev sib xyaw acid fermentation, qabzib yog fermented thiab tsim ntau cov organic acids (lactic, acetic, succinic, thiab formic acids).
