Yadda Ake Tattauna da Rarraba Laburatin PCR Ta Hanyar HVAC?

Matsaloli na Tsarin HVAC na Laboratari na PCR don Kullumta na Kudin Yankin

Yadda Laboratarin PCR suka bukata tsarin HVAC mai kyau: Kullumta na kudin yankin na kudin yankin

A cikin laboratwarin PCR, bukatar sistemun HVAC suna da kara tsoro saboda mu bukata kuwa ga kusurin da aka samu a matsayin na farko domin gudanar da alama na sampul na uku. Kadan yawa na DNA ko RNA suka tsofowa a sama daga alamar na farko zai iya gyara sampul na uku kuma zai ba mu alamar da kuskure na farko wanda baki ba za a so. Kuma ku sani, PCR ya zama shi kuma yana kopya abubuwan jiki a matsayin da kara kara kuma a matsayin da kara kara. Don haka, kadan yawa na molekyul da aka biyo a matsayin na farko zai iya gyara nazarinmu ta hukumici. Don haka sistemun HVAC suka yi amfani da kara yawan alama na sama kuma suka haɗa kuma yadda sama zai tsofowa. Sama zai tsofowa daga wurin da aka tsaya ake tsayar da abubuwan da ke cikin karama zuwa wurin da aka tsaya ake amfani da abubuwan da aka kopya. Idan sistemun bai dace ba, kowane bangare na laboratwarin zai tsofowa kuma zai haɗa kuma don haka alamar zai zama kura kuma kaduna zai iya gyara nazarin da ke cikin karama da kuskure.

Kullum Bayanin Tashar: Alamarin ISO na Kofin Mai Tsoro, Tsarin Zafin Samanu, da Filtar HEPA

Kwararren kuma ayyukan HVAC na PCR laburaturi suna da tushen kamar uku wanda suka hadu da yawa. Bayanin farko yana nufin samun standadun ISO na cleanroom, wanda ke nufin kamar ISO Class 7 wanda yana nufin cewa ba za a iya samun karin 352,000 particles wanda suka tsaya a karamin 0.5 microns per cubic meter of air. Wannan yana nufin yadda ya kamata a yi amfani da al'adu na laburaturi. Bayanin biyu yana nufin amfani da airflow na gaba daya. Hanyar hawa yana kamata in zama ta fuskanci daga wani wuri da ke da yawan kudin kariya kamar wadanda suka tsaya a reagent preparation spaces zuwa wani wuri da ke da yawan kudin kariya kamar wadanda suka tsaya a post-PCR analysis. Wannan yana nufin karewa da turbulence wanda ke iya haɗawa da airborne particles a cikin laburaturi. Bayanin uku yana nufin amfani da HEPA filters wanda suka yi amfani da yadda ya kamata a yi amfani da su da yawa, wanda suka tsaya a karamin 99.97% na particles wanda suka tsaya a karamin 0.3 microns, wanda suka tsaya a karamin tiny droplets wanda suka tsaya a karamin nucleic acids da dust particles. Wadannan filters yana nufin karewa da contaminants a cikin hawa yayi amfani da su a cikin laburaturi ko a cikin hawa yayi amfani da su a cikin laburaturi. Idan duk wannan abu yana aiki da kyau, yana nufin samun solid containment system wanda ya hadu da ISO 14644 guidelines da CDC recommendations wanda suka tsaya a karamin molecular diagnostic facilities.

Takamaiman Talo na Uku da Tsarin Farko na Dandana

Fungashin Zon: Tsarin Kuma, Tsarin Kuma, da Tsarin Bayan PCR

Don yin amfani da karamin tushen kuma, PCR labs suka bukata suka cikin uku wani daga cikin wadanda ba su da kuskus ne, domin hakan kuma amplicons suka biyo a cikin rarraba. Na farko shine wani daga cikin wadanda suka cikin reagent prep, wanda ya kamata ya kashe kadan kuma domin wannan shine wani daga cikin wadanda suka cikin ta yin master mixes su da yin sample aliquots a cikin laminar flow hoods. Na biyu shine amplification zone wanda suka cikin thermal cyclers duk suka cikin. Ba a iya yin amfani da tubes mai fadi a nan, kuma ba a iya gudanawa da abubuwa wadanda suka cikin amplification. Wani daga cikin wadanda suka cikin na uku, wanda suka cikin ta yin amfani da amplified products don abubuwa kamar gel electrophoresis ko ta shirya don sequencing? Wannan shine wani daga cikin wadanda suka cikin yin amfani da contamination risks. Ya kamata a sanya wannan section daga cikin duk wani daga cikin wadanda suka cikin a cikin upstream. Labs suka cikin amfani da physical barriers a cikin sections, suka cikin amfani da specific equipment a cikin kowanne area, kuma suka cikin amfani da one-way traffic patterns don staff movements. Wani daga cikin wadanda suka cikin suka cikin amfani da airlocks ko pass-through chambers don zama a cikin wadanda suka cikin critical separations a cikin wadanda suka cikin different stages na process.

Tsarin Farko na Ƙarama: Tsohon Karamar Mai Tsoro zuwa Mai Tsoro A Duk Zonin

Sistemu na koyon dandana mai ƙarfi ya zama tare da amfani wajen yin amfani da hawaye a cikin al'adu na laboratari: yayi fitowa a cikin gudun kuma baya, sannan yayi kara a cikin al'adu na koyon dandana, kuma akwai kuma yin kara a cikin al'adu na bayan PCR. A cikin al'adu na gudun kuma baya, mu sa hawaye a tsakiyar +10 zuwa +15 Pascal domin mu gane cewa abubuwan da suka fiyawa ba za su ci gaba a cikin al'adu na gudun kuma baya. Al'adu na koyon dandana suna da tsakiyar dandana ta musamman ko kadan kadan ta fi tsakiyar, kamar yadda ake amfani da shi a cikin al'adu na bayan su. Idan mu ci gaba a cikin al'adu na bayan PCR, tsakiyar ya zama ƙasa daga zero, kamar yadda ake amfani da shi a tsakiyar -10 zuwa -15 Pascal. Wannan ya taimaka wajen kawo abubuwan da suka fiyawa a cikin al'adu na bayan PCR kuma yana sa su ci gaba a cikin al'adu na HEPA. Mu bukatar kuskuren tsakiyar da su a lokaci kowane. Wani bincike ya nuna cewa kadan kadan na tsakiyar zai iya yin farko a wannan yanayi; idan tsakiyar ya ci gaba ko ya fi kadan kadan a cikin al'adu na bayan su, yanzu na kusantar da su zai taimaka da 30% kafin koyon dandana. Kuma don ka gafara cewa idan hawaye ta ci gaba a cikin al'adu na bayan PCR, ta zai ci gaba a cikin al'adu na HEPA na bayan su. Wadannan al'adu suna kawo duk abu da ke fi 0.3 microns, kuma suna kawo ƙarshen 99.97% na duk abu da ke ci gaba a cikin su a cikin al'adu na bayan su.

Muhimmancin Bayanin Karamin HVAC don Laburaturin PCR

Kudin Canjin Hanyar: Wajibi ne 12–15 ACH kuma yana da shi ne kamar yadda ake amfani da su don laburaturin molecular

A laburaturin PCR, muna bukata kamar 12 zuwa 15 canjin hanyar kowane sa'a don gudanin wadannan karamin da suka tsofawa a cikin hanyar bayanin amfani. Wadannan karamin suna iya zama a cikin wani abu idan ba a canja hanyar da yawa, wanda ke haifar da matsaloli kamar samun bayanin da suka daga baya (false positive results). Bayanin da aka saba a cikin al'adu na nazarin ya nuna cewa idan laburaturin suka rufe wannan kudin, karamin da suka tsofawa suka karuwa kamar uku lokaci. Idan muke amfani da wasu abubuwan da suka daga baya da yawa kamar Mycobacterium tuberculosis, CDC ta nuna cewa kudin canjin hanyar ya kamata ya fi 20 kowane sa'a. Kamar yadda ake amfani da su a yanzu, karamin laburaturin suka ci gaba da sensorin da suka yi canjin hanyar da suka nuna kowane lokaci. Wannan ya taimaka su don zama a cikin al'adu na ISO 14644-1 don karamin laburaturin da suka daga baya, wanda karamin laburaturin da suka daga baya suna so su jira a cikin shi don sababbin da suka daga baya.

sistemu na Ƙaramin Saman da Filtar: Kullum Takaici na Saman a Cikin Sistemin na HVAC na Laburatin PCR

A cikin laboratowar PCR, sisitem na HVAC ya kamata ya shiga daga ƙarfi na hawaye mai sauƙi kuma ba a iya yin saurin yin amfani da hawaye ba. Lokacin da hawaye ta sauran yin amfani da ita, ta zama da amfanin amplicons da suka kashe a wani bangare, wanda ya faruwa da yadda muna bukatar yin amfani da hawaye a cikin wadannan al'adu na gida. Amfanin filtar yana faruwa da MERV-14 pre-filters, sannan ya taimaka zuwa ga HEPA filters da suka yi amfani da ISO 45-D ko IEST-RP-CC001 standards. Wadannan filtar suka tsaya da amfani don tsayyara ƙarfi na 99.99% na partikulun da suka fiye da 0.3 microns. Laboratowar da suka amfani da wannan sisitem sun bayyana cewa sun samu ƙarfi na 87% a rarraba abubuwan da suka fiye da hawaye lokacin da suka compare da sisitem da suka yin amfani da hawaye na farko da hawaye na biyu. A lokacin da awan suka yi amfani da ƙarfi na farko, ya kamata a iya yin amfani da ƙarfi na filtar da ke fiye da 30%. Kuma ku biyo, filtar ba za su iya canza kuma lokacin da suka nuna cewa suka fiye da pressure drop ba. Suna bukatar canzawa a matsayin da suka yi amfani da test na zaman da zaman.

Kamal, Tattara, da Tattaunawa don Sistemin HVAC na Laburatin PCR

Sistemin na HVAC na PCR lab zai bukata yanzu ya kammala shari'ar ISO 14644, sararin CDC na amfani da abubuwan da suka dace da kariya, da shari'ar CLIA. Al'amarin na kammala shari'a ta gudanar da uku al'amarin kamar haka: Na farko shine Installation Qualification (IQ), wanda ya tsemo idan kowane abu an saita shi daidai kuma kowane rubutu an yi shi daidai. Sauran shine Operational Qualification (OQ) inda muna amfani da sistem don duba yadda ya yi ayyuka a cikin fannin farko kamar yadda ya fi sanya, yadda ya fi tsawon kofin, da yadda ya fi tsawon harajin. A karni, Performance Qualification (PQ) ya duba yadda sistem ya yi ayyuka a lokacin amfani da shi daidai, ya duba abubuwan kamar adadin jirgin da suka dace da kariya, farko na tsawon kofin a cikin gida, da adadin lokutan da aka saita haraji a cikin sa'a guda biyu da uku lokacin amfani da lab daidai. Duk wadannan dubawa suna bukatar rubutun daidai. Muna tsara mapun na yadda haraji ya fi, muna koyi adadin jirgin da suka dace da kariya a haraji, muna rubuta adadin farko na tsawon kofin a cikin gida, da muna rubuta lokacin da suka saita jirgin. Wadannan rubutu suna samun kira daidai wanda ke bukatar kammala shari'a. Lab suna amfani da kammala shari'a na sauya a cikin shekara biyu da uku. Wannan yana kuma duba adadin jirgin da suka dace da kariya da amfani da instrumentin da suka kammala shari'a don tabbatar da suka zama ta hanyar 3,520 jirgi na 0.5 microns ko kamar haka a cikin meter kubik, wanda ke kammala shari'ar ISO Class 5. Idan ba a rubuta daidai adadin sa'anin da aka saita haraji, tsawon kofin na gida, ko sauyin jirgin da suka dace da kariya, zai iya haifar da matsaloli mai kyau. FDA ta sanya lab da karamin dolar na 500,000 don rubutun da ba su daidai. Don haka, amfani da HVAC daidai ba ne abu da ke da kyau kuma, amma shi ne abu da ke da muhimmiyar kamar yadda za mu tabbatar da nazarin mu na kariya suna da kyau da kariya.

Sashen Tambayoyi

Shin wani irin aiki ne suka yi HVAC systems a cikin PCR labs?

HVAC systems a cikin PCR labs suna da mahimmanci ga kula da hanyar yin gurba na hawa. Su kuma zasu amfani da tsarin faltara hawa da kula da hanyar yin gurba na hawa, domin kare gurba daga test na farko kuma taimaka wajen samun natijan da ke da kyau.

Shin wani irin aiki ne hanyar yin gurba na hawa ta yin ayyukan PCR laboratories?

Hanyar yin gurba na hawa tana kare gurba mai yawa wanda ke iya haɗa gurba a cikin laboratory. Ta kuma zamu amfani da hanyar yin gurba na hawa daga yankuna da ke da yawan gurba kusa zuwa yankuna da ke da yawan gurba, domin kare hanyar yin gurba na hawa daga yankuna da ke da yawan gurba kuma taimaka wajen samun natijan da ke da kyau.

Shin wani irin standard suna da mahimmanci ga yankuna da ke da hawa mai gurba a cikin PCR labs?

PCR labs suna amfani da ISO cleanroom standards, wanda ke da mahimmanci kamar ISO Class 7, wanda ya kare adadin gurba da suka tabbata 0.5 microns per cubic meter na hawa.

Shin wani irin aiki ne pressure differentials suka yi a cikin PCR laboratories?

Pressure differentials suna kare hanyar yin gurba na hawa a cikin yankuna na laboratory, domin kula da negative-to-neutral gradients don kare gurba kuma kare gurba.