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Whakamatau Mo te Covid 19: Coronavirus Test VS Covid 19 Antibody Test And Covid 19 Antigen Test

Posted i runga i  Kia 6, 2020, Etita e ballabio, Kāwai  

Whakahoutanga Coronavirus: he katoa 3.66 miriona (nga raraunga mai i koromita ao) te hunga i pangia ka whakaukia keehi coronavirus i te ao katoa. Ka nui haere ia ra, ia ra, nga mate tau coronavirus 257,301. Ko te kete rapu he mea nui na ia whenua ki te whakapai ake me te tere kia whakapaa he keehi. Ko te tikanga kitenga rongonui ko te whakamātautau waikawa ngota, te tuarua ko te covid 19 whakamātautau antibody, ko te whakamatautau hou mo te kitenga 19 antigen covid. He aha nga momo momo e 3? whakamātautau coronavirus? He pehea te mahi me te maataapono o te kaupapa? Ma tenei tuhinga e whakaatu ki a koe te mea e manukanuka ana koe.

I tenei ra, kua whakaaetia e te National Medical Products Administration (NMPA) neke atu i te 113 nga momo rongoa rongoa ohorere coronavirus mai i nga kamupene 113 e whai tohu ana ki a CE, e whakaae ana ranei ki a FDA. I roto i tera, 80 nga momo mo te rapu waikawa karihi me nga momo 33 mo covid 19 whakamātautau antibody. Ko te waikawa karihi me te wero o te serum (he antigens ranei) te kitenga ko nga tikanga matua me nga tikanga whakamatautau o te coronavirus hou e whakau ana me te whakatau turoro. He aha nga tauira e hiahiatia ana me nga whakaritenga whakahaere? A he aha nga raru e raru ana tatou inaianei?

COVID-19 Whakamatautau Hawa Nucleic

Ko te kitenga o te waikawa karihi he ahuatanga o te whakatau wawe i te tautoko, he nui te mohio me te motuhake. Koinei hoki te "paerewa koura" mo te tirotiro i te niupepa rewharewha pangia pangia e te coronavirus. Ko te tikanga whanui ko te Whakahoahoa-a-Rohe Polymerase Chain (RT-PCR). I te nuinga, te hua pai o Mahaha-ngaahi-2 e hangai ana ki taua tauira ano kei runga i nga ira ORF1ab me te N ka tutuki i te whaainga takirua te pai, i te whaainga kotahi raanei mai i te kitenga tuuturu, ka tutuki ranei i nga tauira e rua te whaainga kotahi i te wa ano.

He aha te kaupapa o te Whakamatautau Nucleic Acid Testing (NAT)?

Ko te ira huaketo hei whaainga rapunga kia waiho ko te raupapa DNA whaainga kua tohua ka piki haere ma te hongere whakanui PCR. Ka taea te whakakotahi i ia raupapa DNA whakarahihia me te tirotirohia o te rama i tapirihia e maatau i mua. Ko te nui ake o nga ira ira kua kaha haere, ko te kaha ake o te tae karawaka putu. I nga tauira kaore he huaketo, kaore he whakarahinga o te ira whaainga, na reira kaore e kitea he tohu kaha ake te rama. Na reira, ko te kitenga o te waikawa karihi hei whakatau i te waikawa karihi i roto i te tauira ma te tohu whakahekeheke e kohikohi ana.

He aha te tauira whakamatautau?

Ko nga tauira he kowhatu nasal, swab pharyngeal, swabs nasopharyngeal, sputum, inu waipiro bronchial, inu waipurewa alveolar (BALF), me etahi atu.

Me pehea te whakamatautau i te covid 19? 5 Hipanga o te whakamātautau coronavirus

E rima nga taahiraa: te tauira, te pupuri tauira, te penapena, te tangohanga o te waikawa ngota, me te whakamatautau rorohiko. Ko enei mahinga katoa e tika ana kia nui nga whakamatautau a putaiao.
1. Tauiraira. Horoia te pakitara pharyngeal o muri me nga tonsil pharyngeal takirua me te taatai ​​pharyngeal 5-10 wa, ka huri tonu i te papa.
2. Te pupuri tauira. Rukuhia te upoko o te koroke ki roto i te rongoa tiaki rauropi, katahi ka wahia te pito o te koroke ka whakakakahu ano i te potae ngongo hei tauira pupuri.
3. Penapena. Kuhua te ipuipu ki roto i te peke kua hiritia ka tuku atu kia tirohia i te waa tika. Me whakarite te taiao penapena i te 2-8 nekehanga ℃ ka whakawhiti ana ki te tirotiro.
4. Tangohanga waikawa Nucleic. Unuhia te waikawa karihi mai i te tauira huaketo kore mahi mo te kitenga o muri, ka taea e koe te whakamahi i nga taputapu aunoa, penei i te taputapu tangohanga waikawa ngota.
5. Fluorescence PCR kitenga waikawa karihi, ara, te whakamatautau i te miihini, ka whakapau 70-80mins ki te whakaoti i te urupare PCR.

He aha nga raru e pa ana ki a tatou inaianei?

  • Hē kino. Ko nga tauira kore he e tika ana hei tauira, hei whakaora ranei, he momo momo tauira he kaiwhakahoahoanga ranei mai i nga kaihanga rereke, ka hua pea te hua kino kaore i kitea ka ngaro.
  • He tino tuunga mo nga taputapu, taiwhanga, kaiwhakahaere ngaio. Ko nga taputapu mohio RT-PCR teitei he utu ano hoki.
  • He wa roa te whakamatautau waikawa karihi karihi, te tikanga ko te 4-6 haora mo te whakamatautau RT-PCR. Heoi, ki te whakaaro ki nga tauira kawe me nga tauira whakamuri, tino tata ki te 24h ka whai hua te mutunga.

Na reira, ko te taapiri i te antivirus IgM me IgG ka he kino te whakamatautau waikawa karihi, ka taea te whakakii i nga ngoikoretanga o te mate kua ngaro.

COVID-19 Whakamatautau Antibody

Whai muri i nga ra e 7 o te mate koremonia coronavirus, ka whakaputahia nga wheori-tauwhatinga-serum, te tuatahi ko te immunoglobulin (IgM) me te paturopi IgG. Na reira, ko te tohu antibody IgM e whakaatu ana i te mate kino o muri tata nei, me te whakapiki ake o te antibody IgG e whakaatu ana i te hitori o te mate.

I whakatikahia te whakamatautau serum ki roto i te Te Kaupapa Tohu Whakamatau me te Maimoatanga o COVID-19 (7th Putanga Whakamatau), na te mea ko te painga nui rawa atu mo te whakamatau tere me te ngawari, ka taea te wawahi i te waahanga o te waahi me te waahi, me te whakaiti i te waa whakamatautau. Ka taea te tohu ko te mate COVID-19 mena kei te whakapaehia he pai mo te rauropi-whakarite i te rauropi IgM me IgG, te rereke ranei o te antibody IgG mai i te kino ki te pai, ko te waa whakaora he 4 wa neke atu ranei te nui i tera i te waa kaha.

whakamātautau mō te covid 19
Te Ngawari Antibody o te Mate COVID-19

Ko tenei kete whakamatautau i ahu mai i immunochromatography koura colloidal Ko te whakamatautau, ko te pakiwaitara recombinant kua tapaina ki te koura coronavirus te antigen me te kounga kounga tohu tohu antibody koura ka mapuhia ki runga i te papa here; e rua nga raina kitenga (G me te M) me te raina mana kounga kotahi (raina C) kua whakakikoruatia ki te membrane NC. Ko enei kaari whakamatautau e rere ana i te tauira wai i te taha o te membrane nitrocellulose, mena he COVID-19 IgM nga paturopi, ka whakakotahi nga paturopi me nga antigens huaketo kua tohua ka noho hei kohinga kokiri, ka taea te panui i nga hua pai. Ana mena he COVID-19 IgG antibody kei roto i te tauira, ka uru nga paturopi ki nga antigens huaketo kua tohua ka noho hei hei hanawiti. whakahiripiri, ana ka puta ano te hua pai ma te ara ano. Kei te kaari whakamatautau he raina whakahaere kounga (raina C) hei whakawa mena he angitu te mahinga chromatography.

whakamātautau mō te covid 19
whakamātautau mō te covid 19

He aha te tauira whakamatautau?

Ko nga tauira he toto, he serum, he plasma he toto katoa ranei.

E toru nga hikoinga ki te rapu i te Virus Corona

1. Whakatuwherahia te peera pepa konumohe, tangohia atu te kaari whakamatautau ka tuu whakapae ki runga i te papamahi;

2. Whakamahia he pipita hei tohi i te serum / plasma / tauira toto katoa ka tapirihia ki te tauira kia pai, katahi ka tohaina te otinga buffer ki roto i te tauira pai.

3. Tatari 15 meneti, ka panuihia nga hua.

He aha nga raru o te Whakamatau mo te COVID 19?

1. Nga hua kino he. Ko etahi tauira toto o te manawanui ko te take rheumatoid, heterophile antibodies, autoantibodies, raau taero me nga puku puku, me era atu, e ngawari ana ki te whakawhiti-urupare i te whakamatautau, ana, ka puta he hua kino i etahi wa.

2. Te hua kino he. Ko te wa matapihi o te tikanga whakamātautau antibody serum me te rereketanga o te kete whakamatautau ka puta he hua kino teka.

No reira, ko te kitenga antibody serum ka whakamahia noa hei whakamatautau taapiri mo nga keehi whakapae mo te whakamatautau waikawa waikawa kino o te COVID-19, a kaore e taea te whakamahi hei tohu taatai ​​mo te tirotiro anake. Ma te whakamahi ngatahi i te kitenga o te rauropi serum me te kitenga waikawa ngota ka taea te awhina ki te whakapai ake i te tere kitea o te COVID-19, tirohia nga tuuroro kua tohua i te wa e taea ana, me te kaha ki te whakahaere i te mate uruta.

haumanu whakamātautau coronavirus
Haumanu whakamatautau Coronavirus: Te whakamaoritanga i nga kitenga kitenga tuuturu o nga waikawa ngota, IgG me nga antivirus IgM

Covid-19 Huringa Antigen

Ka kitea e te kitenga antigen COVID-19 te tohu mena kei roto i te tauira tangata te coronavirus hou. He tere, he tika te tohu, a he iti rawa nga taputapu me nga kaimahi. Ma te Sandwich ELISA e tuku nga antigen-motuhake e rua ki te tautuhi me te hono ki tetahi kaupapa ahakoa nga epitope rereke, ka taea te whakaiti i te whakawhiti-whakawhiti me te whakapai ake i te waahanga o te whakamatautau.

He aha te kaupapa o te kete kitenga antigen?  

Ko nga antigens pēnei i te pūmua N, E pūmua me te pūmua S o te coronavirus hou ka taea te whakamahi hei mura ki te whakaohooho i ngā pūtau waipiro ki te whakaputa i ngā pūwerewere motuhake whai muri i te pangia o te tinana o te tangata. E ai ki te kaupapa Sandwich ELISA, ka taka ana te tauira ki runga i te papa tauira, ka rere ma te papa whakawhiti, te raina whakamatautau (T) me te raina whakahaere kounga (C) i runga i te membrane NC.

Ko te papa whakapiri kei roto ko te tohu antigen-motuhake antibody, ka taea te hono ki te antigen (protein viral) kei roto i te tauira. Ka tae ana te tauira ki te raina whakamatautau (raina T), ko te rua o te antigen-motuhake antibody kua tau ki tenei raina ka honoa ki te antigen, ka panuihia nga hua pai. Ko te raina whakahaere kounga (raina C) kua whakakikoruatia ki te antibody IgG a ka taea te whakakotahi me te antibody kei te papa tauira hei whakawa mena he angitu te mahinga chromatography.

He aha nga momo tauira whakamatautau antigen?

Ko te tauira i ahu mai i nga waahi mate, penei i te oropharyngeal swabs, nasopharyngeal swabs, sputum, serum, plasma, etc.

E wha nga hikoinga kia kitea te CoronaVirus

1. Tukuna te tukatuka tauira ki te ipuipu;

2. Me oho te peera o te tauira ka pehi ki te pakitara ngongo, kia kapi katoa te tauira i te rongoa rongoa;

3. Whakaritehia te kaari whakamatautau ka taapirihia te tauira ki te tauira;

4. Tatari 15 meneti, ka panuihia nga hua.

He aha nga raru o te tikanga kitenga antigen?

1. Hē kino. Ko te kitenga antigen me aata aro nui ake, na te mea ka pangia e te coronavirus hou te ara manawa o raro pera i te alveoli. Mena ka kohia e koe te tauira o te manawa manawa o runga pera i te nasopharynx me te oropharynx kaore e taea te tiki i nga pathogens he nui ranei Covid-19 huaketo me te kore e ngaro te tohu;

2. He uaua te mahi whakarite, he roa hoki te waa. E rua, e toru pea nga marama e rite ana ki te whakarite i te antigen recombinant, ana ka whakarite i te rauropi monoclonal ki roto i nga kiore. Mena he ngoikore te mahi a te antibody oti, me whakarite kia rua, kia toru marama ranei.

No reira, ko te tikanga kitenga antigen kaore ano kia pakeke, a i tenei wa kaore he kete kitenga antigen kua whakaaetia kua rehitatia e te National Medical Products Administration

Rapunga Maha

Ko te tuhinga waikawa coronavirus nucleic / antibody / antigen rapunga he tohu ake ano, kaore e taea te whakakapi tetahi i tetahi. Ka taea te whakamahi ngatahi o nga tikanga rapunga hei taapiri, e taea ai te whakakotahi i te koiora rāpoi ngota me te kitenga aarai aukati, me te purei i o raatau ake painga, hei whakapai ake i te taunga me te kiko. Ka taea e enei katoa te whakapoto i te wa matapihi kitenga he pai, te whakapiki i te reanga kitenga pai, me te whakawhiwhi takirua mo nga roopu morearea pea.

tohutoro:

Zhengtu Li , Yongxiang Yi et al. Te whakawhanaketanga me te whakamahinga haumanu o te IgM ‐ IgG tere whakamatau whakamātautau antibody mo te whakatau mate mate SARS- CoV-2. J Med Virol.2020 ; 1-7

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NGARU KaiTE WHAKAMAHI MYCOTOXINPANUITANGA PESTICIDEWHAKAPONO TUPUNAWHAKAMAHI KAUPAPAWHAKAMAHI I TE EGGTE HUAKI HUAKI
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