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Ulusi wamkati kapena ulusi wakunja, momwe mungasankhire mbale za cryogenic?

2024-03-11


M'mayesero a kafukufuku wa sayansi, ma cryovials ndi chida chofunikira chosungirako nthawi yayitali ya maselo, tizilombo toyambitsa matenda, zitsanzo zamoyo, ndi zina zotero, zomwe zimapereka malo osungiramo okhazikika, otsika kutentha kwa zitsanzo zamoyo kuti zitsimikizire ntchito ndi kukhulupirika kwa zitsanzo.


Komabe, tikamachotsa zitsanzo zomwe zasungidwa kwa nthawi yayitali kuchokera mufiriji yotsika kwambiri kapena mu thanki ya nayitrogeni yamadzimadzi, nthawi zambiri timadzidzimuka mwadzidzidzi ndi phokoso la phokoso la cryogenic chubu ndikumagwidwa ndi mtima. Kuphulika kwa machubu a cryovials sikungopangitsa kutayika kwa zitsanzo zoyesera, komanso kungayambitsenso kuvulaza kwa ogwira ntchito.


Nchiyani chimapangitsa Botolo Losungiramo kuphulika? Kodi tingapewe bwanji zimenezi?

Zomwe zimayambitsa kuphulika kwa chubu cha mufiriji ndi zotsalira za nayitrogeni wamadzimadzi chifukwa cha kulimba kwa mpweya. Pamene chubu lachitsanzo la cryopreservation latulutsidwa mu thanki yamadzi ya nayitrogeni, kutentha mkati mwa chubu kumakwera, ndipo nayitrojeni wamadzimadzi muchubuyo amasungunuka mwachangu ndikusintha. kuchokera kumadzi kupita ku gasi. Panthawiyi, chubu cha cryovials sichingathe kuchotsa nayitrogeni wowonjezera panthawi yake, ndipo amaunjikana mu chubu. Kuthamanga kwa nayitrogeni kumawonjezeka kwambiri. Pamene thupi la chubu silingathe kupirira kuthamanga kwakukulu komwe kumachokera mkati, lidzaphulika, kuchititsa kuti chitoliro chiphulike.



Zamkati kapena zakunja?


Nthawi zambiri timatha kusankha chubu chozungulira chamkati cha cryovial chokhala ndi mpweya wabwino. Pankhani ya kapangidwe ka chubu chivundikiro ndi thupi chubu, pamene madzi asafe mu kasinthasintha cryovial chubu vaporizes, n'zosavuta kutulutsa kuposa kunja-zizungulira cryovial chubu. Kuphatikiza apo, kusiyana kwa mapangidwe amtundu womwewo wa cryogenic chubu kumapangitsa kuti chubu chozungulira chamkati cha cryopreservation chisasunthike. Kusindikiza kwa chitoliro choyikidwa ndikwabwino kuposa chitoliro chophimbidwa chakunja, kotero sikungachitike kuti chitoliro chiphulike.


Chophimba chakunja chimapangidwa kuti chizizizira pamakina, ndikupangitsa kuti chisapezeke ndi zitsanzo mkati mwa chubu ndikuchepetsa kuthekera kwa kuipitsidwa kwachitsanzo. Ikhoza kuikidwa mwachindunji mufiriji kwa kuzizira, ndipo si yoyenera kusungirako madzi nayitrogeni.


Cotaus cryovials chubu yokhala ndi ma code atatu:


1.Chipewa cha chubu ndi thupi la chitoliro chimapangidwa kuchokera ku gulu limodzi ndi chitsanzo cha PP zipangizo zopangira, kotero kuti coefficient yowonjezera yofanana imatsimikizira kusindikiza pa kutentha kulikonse. Imatha kupirira kutentha kwambiri kwa 121 ℃ ndi kutsekereza kwamphamvu kwambiri ndipo imatha kusungidwa mu -196 ℃ chilengedwe chamadzi nayitrogeni.


2. Chubu cha cryo chozungulira kunja chimapangidwira zitsanzo zozizira. Chophimba chozungulira chakunja chingathe kuchepetsa mwayi woipitsidwa pogwira zitsanzo.


3. Ma cryovials ozungulira mkati amapangidwa kuti azizizira mu gawo la mpweya wa nayitrogeni wamadzimadzi. Silicone gasket pakamwa pa chubu imakulitsa kusindikiza kwa cryovial.


4. Thupi la chubu limakhala lowonekera kwambiri ndipo khoma lamkati limakongoletsedwa kuti lizithira zakumwa mosavuta ndipo palibe zotsalira mu zitsanzo.


5. 2ml Cryovial chubu imasinthidwa kuti ikhale yokhazikika ya mbale ya SBS, ndipo kapu ya chubu yodziwikiratu ingasinthidwe kuti ikhale yotsegulira njira imodzi ndi makina ambiri otsegula kapu.


6. Malo oyera cholembera ndi sikelo yomveka bwino imapangitsa kuti ogwiritsa ntchito azilemba mosavuta ndikuwongolera kuchuluka kwake. Kuphatikizika kwa code ya pansi ya QR, barcode yam'mbali, ndi manambala a digito kumapangitsa zambiri zachitsanzo kumveka bwino pang'onopang'ono, kumachepetsa kwambiri chiopsezo cha chisokonezo kapena kutayika kwa zitsanzo.


Mbale za Cotaus zitatu-mu-zimodzi za cryogenic zimapangidwa kuchokera ku polypropylene yachipatala. Zomwe zilipo panopa ndi 1.0ml ndi 2.0ml, ndipo zina zimatha kusinthidwa malinga ndi zosowa za makasitomala. Ndi ntchito yake yabwino komanso kapangidwe kake kosavuta, imapereka chisankho chabwinoko kwa ofufuza asayansi. Kaya ndi yamkati kapena yakunja, imatha kukwaniritsa zosowa zanu zosiyanasiyana ndikupangitsa njira yanu yofufuza zasayansi kukhala yabwino. Sankhani Cotaus, pangani zotsatira zanu zoyeserera kukhala zabwino kwambiri!


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