2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Antigens tau hais tawm hauv daim ntawv sib xyaw / sib saunthuav tawm cov khoom tiv thaiv kab mob sib txawv ntawm cov tshuaj tiv thaiv sib xws hauv daim ntawv soluble. Cells uas muaj phagocytic kev ua ub no tau xaiv nyob rau hauv particulate antigens thiab ua li ntawd nrog kuj high efficiency.
Dab tsi yog qhov txawv ntawm soluble antigen thiab particulate antigen?
Lub cev daim ntawv ntawm cov tshuaj tiv thaiv
Yog cov tshuaj tiv thaiv yog ib feem, feem ntau saib rau agglutination ntawm antigen los ntawm cov tshuaj tiv thaiv. Yog hais tias cov antigen yog soluble ib feem ntau saib rau nag lossis daus ntawm antigen tom qab tsim cov loj insoluble antigen-antibody complexes.
3 hom antigens yog dab tsi?
Muaj peb yam tseem ceeb ntawm cov tshuaj tiv thaiv
Peb txoj kev dav los txhais cov tshuaj tiv thaiv muaj xws li exogenous (tawm txawv teb chaws rau lub cev tiv thaiv kab mob), endogenous (tsim los ntawm intracellular Cov kab mob thiab tus kab mob replicating nyob rau hauv ib lub cell cell), thiab autoantigens (tsim los ntawm tus tswv tsev).
4 hom tshuaj tiv thaiv dab tsi?
Muaj ntau hom antigens raws li keeb kwm:
- Exogenous Antigens. Exogenous antigens yog cov tshuaj tiv thaiv sab nraud uas nkag mus rau hauv lub cev los ntawm sab nraud, xws li. inhalation, txhaj tshuaj, thiab lwm yam …
- Endogenous Antigens. …
- Autoantigens. …
- Tumour Antigens. …
- Native Antigens. …
- Immunogen. …
- Hapten.
5 hom yog dab tsiantigens?
The 5 hom - IgG, IgM, IgA, IgD, IgE - (isotypes) raug cais raws li hom ntawm cov saw hnyav tas li, thiab faib thiab ua haujlwm sib txawv hauv lub cev. IgG yog cov tshuaj tiv thaiv tseem ceeb hauv cov ntshav.
Pom zoo:
Cov tshuaj tiv thaiv dab tsi rau kev txhaj tshuaj tiv thaiv thib ob?
Cov tshuaj tiv thaiv COVID-19 thib ob yog dab tsi? Cov kev mob tshwm sim feem ntau tom qab koob thib ob yog qhov mob ntawm qhov chaw txhaj tshuaj (92.1% tshaj tawm tias nws kav ntev dua 2 teev); qaug zog (66.4%); mob lub cev lossis leeg nqaij (64.
Yuav noj tshuaj tua kab mob puas cuam tshuam rau cov tshuaj tiv thaiv kab mob?
Nws puas muaj kev nyab xeeb los txhaj tshuaj tiv thaiv COVID-19 nrog tshuaj tua kab mob? Tsis muaj kev cuam tshuam lossis cuam tshuam ntawm cov tshuaj tua kab mob thiab tshuaj tiv thaiv COVID-19, yog li thaum qhia, tshuaj tua kab mob tuaj yeem noj txhua lub sijhawm cuam tshuam nrog kev tswj hwm tshuaj tiv thaiv COVID-19.
Puas yog lub cev tiv thaiv kab mob hauv lub cev puas tsim cov tshuaj tiv thaiv?
Lub cev tiv thaiv kab mob tau txais, nrog kev pab los ntawm lub cev hauv lub cev, tsim cov hlwb (tshuaj tiv thaiv kab mob) los tiv thaiv koj lub cev los ntawm ib tus neeg invader tshwj xeeb. Cov tshuaj tiv thaiv no yog tsim los ntawm cov hlwb hu ua B lymphocytes tom qab lub cev tau raug rau cov neeg ua phem.
Nyob hauv cov kab mob cov qauv no ua rau cov tshuaj tiv thaiv kab mob?
Cov qauv thiab kev ua haujlwm ntawm txheej LPShauv cov kab mob gram tsis zoo muab qhov cuam tshuam rau qee hom molecules. Qhov no ua rau cov kab mob hauv lub cev tsis muaj zog rau qee pawg ntawm cov tshuaj tua kab mob loj [28]. Cov kab mob ua rau cov tshuaj tiv thaiv kab mob li cas?
Vim li cas cov tshuaj tiv thaiv combustion yog cov tshuaj tiv thaiv oxidation?
Kev sib xyaw ua ke ib txwm ua rau muaj oxygen lossis huab cua. … Hauv combustion cov tshuaj tiv thaiv oxygen yog ua ke nrog cov roj qhov chaw feem ntau carbon thiab hydrogen raws li ua rau carbon dioxide thiab dej thiab yog li qhov no yog cov tshuaj tiv thaiv oxidation.
