IZON ICS-70 qEV Single Size Exclusion Chromatography Columns

Izon Science Ltd. imapereka chikalatachi kwa makasitomala ake ndi kugula zinthu kuti agwiritse ntchito popanga. Chikalatachi ndi chotetezedwa ndi kukopera ndipo kukopera kulikonse kapena gawo lililonse lachikalatachi ndikoletsedwa, kupatula ndi chilolezo cholembedwa ndi Izon Science Ltd.

Zomwe zili m'chikalatachi zikhoza kusintha popanda chidziwitso. Zonse zaukadaulo zomwe zili m'chikalatachi ndizongowona zokha. Kukonzekera kwamakina ndi mafotokozedwe mu chikalatachi kumaposa zonse zam'mbuyomu zomwe wogula adalandira.

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Zogulitsa za Izon zidapangidwa ndikupangidwa pansi pa dongosolo labwino lovomerezeka ku ISO 13485:2016.

Zizindikiro zonse za chipani chachitatu ndi katundu wa eni ake.

Malingaliro a kampani Izon Science Ltd
PO Box 9292 Addington Christchurch 8024 New Zealand

Telefoni: + 64 3 357 4270
Email: support@izon.com
Website: www.izon.com

MISONKHANO YOTANTHAUZIRA NDI KULEMBA

Onetsetsani kuti mukutsatira mfundo zodzitetezera zomwe zaperekedwa mu bukhuli. Chitetezo ndi zidziwitso zina zapadera zidzawonekera m'mabokosi ndikuphatikiza zizindikiro zomwe zafotokozedwa mu Gulu 1.

Gulu 1: Zizindikiro Zachitetezo ndi Zowopsa

Chizindikirochi chikuwonetsa upangiri wanthawi zonse wamomwe mungasinthire njira kapena kupangira njira zomwe mungatsatire pazochitika zinazake.
Chizindikirochi chimasonyeza kumene tiyenera kusamala kwambiri.

Gulu 2: Mawu Ogwiritsidwa Ntchito M'bukuli

 TERM  CHIFUKWA
Voliyumu ya buffer (voliyumu yopanda kanthu)  Voliyumu yamadzimadzi yomwe imagwirizana ndi voliyumu isanachitike Pulumu Yotolera Yoyeretsedwa (PCV); bukuli amasonkhanitsidwa basi mu chapakati chitsime. Voliyumu ya buffer ndi yosiyana pamtundu uliwonse.
Chromatography Njira yomwe imagwiritsidwa ntchito makamaka pakulekanitsa zigawo za asample. Zigawozo zimagawidwa pakati pa magawo awiri; imodzi imakhala yoyima pomwe inayo imakhala yoyenda. Gawo loyima limakhala lolimba, lamadzimadzi lokhazikika, kapena gel. Gawo loyima likhoza kudzazidwa mumzere, kufalikira ngati wosanjikiza kapena kugawidwa ngati filimu. The mafoni gawo akhoza kukhala mpweya kapena madzi.
Voliyumu yazanja  Voliyumu yophatikizika yazinthu zopakidwa ndi voliyumu ya buffer (imatha kutchedwa voliyumu ya bedi).
Degassing  Kuchotsa mpweya kumaphatikizapo kuchotseratu mpweya wothira muvuni kuti “wiritsani” kuti muchotse mpweya wochuluka wosungunuka monga kugwiritsa ntchito vacuum mu botolo.
Kuthamanga kwa mlingo Volumetric otaya mu mL/mphindi wa madzi chonyamulira.
Purified Collection Volume (PCV)  Voliyumu yomwe imalowa m'malo mwa voliyumu ya bafa, yokhala ndi tinthu tating'ono ta chidwi toyeretsedwa kuchokera ku s zodzazaample. PCV ndi yosiyana pamtundu uliwonse.

CHITETEZO NDI ZOOPSA

Onani ku Satifiketi Yachitetezo kuti mugawidwe ndikuyika zilembo zangozi ndi zidziwitso zofananira ndi chitetezo.
The Safety Data Sheet for qEV Isolation columns ili pa www.izon.com/resources

Ngozi

Mipingo ya qEV ndi chinthu cha labotale. Komabe, ngati biohazardous sampZomwe zilipo, tsatirani Makhalidwe Abwino a Laboratory (cGLP) ndipo tsatirani malangizo amdera lanu okhudzana ndi labotale yanu ndi komwe muli.

Kutaya kwa Biohazardous Material
Mzere wa qEV uli ndi <0.1% sodium azide, yomwe imatha kupha munthu ikamezedwa kapena kukhudzana ndi khungu. Chonde review malangizo ndi chenjezo zotsatirazi musanagwiritse ntchito gawo lililonse la qEV:

kupewa:

  1. Osalowa m’maso, pakhungu, kapena pa chovala;
  2. Sambani khungu bwinobwino mukatha kulisamalira.
  3. Musadye, kumwa, kapena kusuta pamene mukugwiritsa ntchito mankhwalawa.
  4. Pewani kutulutsa mankhwala ku chilengedwe.
  5. Valani magolovesi oteteza ndi zovala; tsatirani njira zodzitetezera ku labotale.

Poyankha

  1. NGAMAKUMWA: imbani nthawi yomweyo ku POISON CONTROL CENTRE/Doctor.
  2. NGATI PAKHUMBA: Sambani pang'onopang'ono ndi sopo ndi madzi ambiri ndipo nthawi yomweyo imbani POISON CONTROL CENTRE/Doctor.
  3. Chotsani nthawi yomweyo chovala chilichonse chomwe chawonongeka ndikuchapa musanagwiritsenso ntchito.
  4. Sonkhanitsani kutaya kulikonse ndikutaya moyenera.

Kuti mumve zambiri, onani Zolemba za MSDS zamagawo a Izon qEV: www.izon.com/resources

Sodium azide imatha kupha munthu ikamezedwa kapena kukhudzana ndi khungu. Zitha kuwononga ziwalo zaubongo kudzera mukuwonekera kwa nthawi yayitali kapena mobwerezabwereza. Ndiwowopsa kwambiri ku zamoyo zam'madzi zomwe zimakhala ndi zotsatira zokhalitsa.

Onetsetsani kuti mukutsatira malangizo otsatirawa ndikutsatira malangizo apafupi a labotale yanu ndi malo okhudzana ndi kugwiritsidwa ntchito ndi kutaya.

Zosamalitsa Zonse:

  • Nthawi zonse muzivala magolovesi a labotale, malaya, ndi magalasi oteteza chitetezo okhala ndi zishango zam'mbali kapena magalasi.
  • Manja anu akhale kutali ndi pakamwa panu, mphuno, ndi maso.
  • Tetezani kotheratu kudula kapena zilonda zilizonse musanagwiritse ntchito ndi zinthu zomwe zitha kupatsirana kapena zowopsa.
  • Sambani m'manja mwanu bwinobwino ndi sopo mutagwira ntchito ndi chinthu chilichonse chomwe chingapatsire matenda kapena choopsa musanachoke mu labotale.
  • Chotsani mawotchi ndi zodzikongoletsera musanagwire ntchito pa benchi.
  • Kugwiritsa ntchito magalasi olumikizana sikuvomerezeka chifukwa cha zovuta zomwe zingabwere panthawi yosamba maso mwadzidzidzi.
  • Musanachoke mu labotale, chotsani zovala zodzitetezera.
  • Osagwiritsa ntchito golovu polemba, kuyankha foni, kuyatsa cholumikizira magetsi, kapena kucheza ndi anthu opanda magolovesi.
  • Sinthani magolovesi pafupipafupi.
  • Chotsani magolovesi nthawi yomweyo pamene ali ndi kachilombo.
  • Osawonetsa zinthu zomwe sizingawonongedwe moyenera kuzinthu zomwe zitha kupatsirana kapena zowopsa.
  • Mukamaliza ntchito yokhudzana ndi zinthu zomwe zitha kupatsirana kapena zowopsa, chotsani malo ogwirira ntchito ndi mankhwala ophera tizilombo kapena njira yoyeretsera (1:10 dilution of bleach wapakhomo akulimbikitsidwa).

Tayani zinthu zotsatirazi zomwe zitha kukhala ndi kachilombo molingana ndi malamulo a labotale amderalo, madera, ndi dziko:

  • Biological samples
  • Zowonjezera
  • Zotengera zomwe zimagwiritsidwa ntchito kapena zinthu zina zomwe zitha kuipitsidwa.
yosungirako

Kusintha kwachangu kwa kutentha kuyenera kupewedwa, chifukwa izi zitha kuyambitsa thovu mu bedi la gel.

Mizati ya qEV yosagwiritsidwa ntchito imatha kusungidwa kutentha.

Kutaya

Zosungiramo zinyalala ziyenera kutayidwa motetezeka. Kuchuluka kwa sodium azide pakapita nthawi mu mapaipi amkuwa kungayambitse kuphulika.

MAU OYAMBIRA KUKUKULU KUKHALA KOMA CHROMATOGRAPHY

paview

qEV Size Exclusion Chromatography (SEC) mizati imalekanitsa tinthu tating'ono kutengera kukula kwake pamene akudutsa ndime yodzaza ndi porous, polysaccharide utomoni. Monga sampLe amadutsa mzati pansi pa mphamvu yokoka, tinthu ting'onoting'ono timalowa m'mabowo a resin popita pansi ndipo kutuluka kwawo pamzati kumachedwa (Chithunzi 1C). Monga sampLe amatuluka mzati, ma voliyumu otsatizana amasonkhanitsidwa. Tinthu adzagawidwa kudutsa mabuku kutengera kukula kwawo, ndi waukulu particles exiting ndime choyamba ndi zing'onozing'ono particles exiting ndime otsiriza.

Mzere wodzaza ndi wofanana ndi buffer, yomwe imadzaza ndime.
Voliyumu yonseyi imakhala ndi utomoni wokhazikika (gawo lokhazikika) ndi buffer yamadzimadzi (gawo loyenda). Popeza tinthu tating'onoting'ono sitimangiriza ku utomoni, mawonekedwe a buffer sangakhudze kwambiri chigamulo (kuchuluka kwa kulekana pakati pa nsonga).

Chithunzi 1: Njira ya SEC (A) Chithunzi chojambula cha mkanda wa utomoni wokhala ndi kukula kwa electron microscopic.
(B) Chojambula cha sampmamolekyu akufalikira mu pores wa utomoni mikanda. (C) Kufotokozera mojambula za kulekana: (i) sample imayikidwa pakhoma; (ii) tinthu tating'ono kwambiri (chikasu) timachedwa kwambiri kuposa tinthu tating'onoting'ono (zofiira); (iii) tinthu tating'onoting'ono tating'ono tambiri tachotsedwa koyamba kuchokera pamzati. Kukula kwa bandi kumapangitsa kuchepetsedwa kwakukulu kwa magawo a tinthu panthawi ya chromatography. (D) Chromatogram yamakono. Kuchokera ku: GE Healthcare ndi Biosciences. (ndi). Kupatula Kukula kwa Chromatography Mfundo ndi Njira [Kabuku]. Uppsala, Sweden. Adafikira mu June 2019.

Ntchito Yogwiritsidwa Ntchito

Mizati ya Izon qEV imapatula ma vesicles owonjezera kuchokera ku biological samples.
Mizati ya qEVsingle ili ndi tchipisi ta RFID kuti mugwiritse ntchito ndi Izon Automatic Fraction Collector (AFC). Ma chips awa sangakhudze kugwiritsa ntchito pamanja. Mzerewu uyenera kugwiritsidwa ntchito m'ma laboratories ofufuza ndi akatswiri kuti agwiritse ntchito kafukufuku wokha. Gawo la qEV silinapangidwe kuti liziwunikira matenda ndipo siliyenera kugwiritsidwa ntchito popanga chisankho chamankhwala.

Mipingo ya qEV idapangidwa kuti izilekanitsa ndi kuyeretsa ma vesicles ku ma biological s ambiriampLes, kuphatikizapo:

  • Seramu
  • Plasma
  • Malovu
  • Mtsinje
  • Cerebrospinal Fluid (CSF)
  • Ma cell media media

ZINDIKIRANI: kwambiri 'yaiwisi' samples sizingayendetsedwe mwachindunji pamizere ya qEV ndikuwunikidwa ndi TRPS popanda kukonzekera kwina monga centrifugation ndi masitepe okhazikika. Lumikizanani ndi Izon Support Center kuti mupeze malingaliro ndi ma protocol.

Kuyerekeza kwa qEV/35nm ndi qEV/70nm mndandanda

Magawo onse a qEV akupezeka mumodzi mwa magawo awiri odzipatula, mndandanda wa qEV/35nm ndi qEV/70nm. Mndandanda wa mizati ya qEV/35nm nthawi zambiri umagwira ntchito bwino ngati tinthu tating'onoting'ono tokhala patali ndi 110 nm m'mimba mwake, pomwe mndandanda wa qEV/70nm wa mizati nthawi zambiri umachita bwino pamene tinthu tating'onoting'ono tokhala patokha ndi lalikulu kuposa 110 nm m'mimba mwake. (onani Table 3). Pakuti mulingo woyenera kuchira particles pakati 35 ndi 350 nm ndi qEV/35nm mndandanda ndime tikulimbikitsidwa. Pakuti mulingo woyenera kuchira particles pakati 70 ndi 1000 nm ndi qEV/70nm mndandanda ndime tikulimbikitsidwa.

Chithunzi 2. Kubwezeretsa kwapang'onopang'ono ndi kukula kwa qEV/35 mndandanda wa mndandanda poyerekeza ndi mzere wa qEV/70 (mzere wapinki).

Table 3: Zofotokozera za qEV/35nm ndi qEV/70nm Series

   qEV/35nm SERIES  qEV/70nm SERIES
 Target Particle Kukula 35 mpaka 350 nm  70 mpaka 1000 nm
Mulingo Wabwino Wobwezeretsa Tinthu <110 nm  Tinthu > 110 nm
qEVsingle Specifications

Gulu 4: Zofotokozera za qEVSingle

Dzinalo

qEVSINGLE

Zotsatizana

qEVSINGLE/35nm

qEVSINGLE/70nm

Kukula koyenera kolekanitsa

35-350 nm

70-1000 nm

Sampndi load volume

150µL*

Voliyumu yazanja

3.5 mL

Mulingo woyenera wagawo

0.2 mL

Voliyumu ya buffer ***

0.8 mL

1 ml**

Voliyumu yamphamvu

7 mL

Voliyumu Yosonkhanitsa Yoyeretsedwa***

0.6-0.8 ml

Chiwopsezo cha EV pambuyo pa voliyumu ya buffer ***

0.3 ± 0.1 mL

0.5 ± 0.1 mL

Kutentha kogwira ntchito

18 ku 24 ° C

gawo lotetezedwa

PBS

Kukula kwakukulu kodutsa

1 μm

Pamwamba ndi pansi frit kukula

20 μm

pH yokhazikika yogwira ntchito

3 - 13

pH kukhazikika kuyeretsa-pamalo (CIP)

2 - 14

Zosungira moyo

miyezi 12

* Kutsegula ma sample voliyumu imapangitsa kuti pakhale chiyero chochepa m'mavoliyumu apambuyo a vesicle, kuphatikizika kwakukulu pakati pa mapuloteni ndi EV elution nsonga, ndi nsonga yapamwamba ya mapuloteni mkati mwa PCV. Kutsegula m'munsi sampma voliyumu amabweretsa kuchuluka kwa dilution ya sample. Mulingo woyenera bwino sample voliyumu ya chiyero pa qEVsingle ndi 150 µL.

**Ma EV ndi tinthu tating'ono tofanana tapezeka kuchokera ku 0.8 mL pagawo la qEVsingle/70, komabe kuchuluka kwake kumakhala kotsika kwambiri ndipo kungayambitse s.ample dilution ngati ikuphatikizidwa.

***Makhalidwe a plasma yamunthuamples yekha.

qEVsingle Performance Makhalidwe

Monga momwe chithunzi 3 ndi 4 pansipa, particles zosakwana 70 nm zambiri elute mochedwa kuposa PCV pa qEV/70nm, pamene particles zazikulu kuposa 35 nm ndi anagwidwa mu zone pa ndime qEV/35nm. A apamwamba kuchira mu PCV wa particles zazikulu kuposa 70 nm amapezeka pa qEV/70nm mndandanda mizati poyerekeza ndi qEV/35nm mndandanda (mkuyu. 3). Mapuloteni ndi ma EV nthawi zambiri amatuluka pang'onopang'ono pamndandanda wa qEV/35nm, motero kuchuluka kwa buffer kwa 0.8 mL. Mapuloteni apamwamba mu PCV makamaka chifukwa cha kuwonjezeka kwa mapuloteni omangidwa ndi EV.

Zosiyana samples angapereke zosiyana pang'ono elution profiles ndi chiyero, chifukwa chake kuyeza koyambirira kwa ndende ya EV ndi zowononga mapuloteni m'magulu osonkhanitsidwa ndikulimbikitsidwa.

Chithunzi 3: Kuyerekezera kuchuluka kwa mapuloteni okwana 69 nm liposomes pakati pa qEVsingle/35nm ndi qEVsingle/70nm.

Chithunzi 4: Kuyerekeza kuchuluka kwa mapuloteni okwana ndi kuchuluka kwa ma vesicles akunja (EVs) ndi tinthu tating'ono tofanana > 60 nm pa qEVsingle/70nm motsutsana ndi qEVsingle/35nm. Tinthu tinayezedwa pogwiritsa ntchito TRPS, mapuloteni omwe amayezedwa pogwiritsa ntchito mayeso a BCA.

qEVsingle EV Elution Profile

Kutulutsa kwa ma vesicles nthawi zambiri kumafika pa 600 µL ± 200 µL pambuyo pa buffer voliyumu ya 150 µL s.ample voliyumu ndikusonkhanitsa magawo 200 μL. Chithunzi 5 chikuwonetsa kutuluka kwa vesicles pamene 150 µL ya plasma yaumunthuample imakwezedwa pagawo la qEVsingle/70nm.

Ma EV ambiri nthawi zambiri amachoka mu 1000 µL pambuyo pa voliyumu ya buffer. Ngati chiyero chapamwamba chikufunika, sonkhanitsani 600 µL yoyamba yokha. Wogwiritsa ntchitoyo amasankha pakati pa kukulitsa kuchira mwa kusonkhanitsa voliyumu yayikulu kapena kukulitsa chiyero mwa kusonkhanitsa voliyumu yocheperako.

Kutulutsa kwa mapuloteni a plasma kumachepa, kutsika kwambiri kuchokera ku 0.8 mpaka 4 mL pambuyo pa voliyumu ya buffer. Ma vesicles aliwonse omwe adachira kupitilira 0.8 mL amakhala ndi kuipitsidwa kwa protein yambiri ndipo mwina sangakhale oyenera kuwunika kutsika chifukwa chakuchepa kwawo.

Chithunzi 5: Wodziwika bwino wa elutionfile pagawo la qEVsingle lomwe lili ndi 150 µL ya plasma yodzaza; mapuloteni elute mochedwa kuposa vesicles extracellular (EVs) ndi ofanana kakulidwe particles> 60 nm.
Tinthu tinayezedwa pogwiritsa ntchito TRPS, mapuloteni omwe amayezedwa pogwiritsa ntchito mayeso a BCA.

qEVsingle Sample Input Volume Effects ndi Mitengo Yochira
Zotsatira za Mtundu wa Resin pa Protein Elution Profile

PCV pa qEVsingle imakhala ndi mapuloteni ochepa kwambiri, ndipo mapuloteni amawonjezeka m'magulu apambuyo pake, monga momwe tawonetsera pa Chithunzi 6. Mapuloteni apamwamba a qEVsingle / 35nm amayamba chifukwa cha kuchira kwakukulu kwa ma EV ang'onoang'ono mu PCV (onani mkuyu. 2).

Chithunzi 6: PeresentitagMapuloteni odzaza m'zigawo pambuyo pa voliyumu ya buffer, kukweza 0.15 mL ya plasma yamunthu pa qEVsingle. Pinki mipiringidzo ndi PCV wokometsedwa kwa plasma s munthuample ndipo chimakwirira okwana 0.8 mL. Mipiringidzo ya qEVsingle/70nm ndi yapinki yakuda ndi buluu wakuda. Mipiringidzo ya qEVsingle/35nm ndi yowala pinki komanso yopepuka yabuluu.

MALANGIZO OGWIRITSA NTCHITO MANUKO

Gawo lotsatirali likupereka malangizo ogwiritsira ntchito mizati ya qEV pamanja. Kuti mugwiritse ntchito mizati ya qEV ndi chida cha Automatic Fraction Collector (AFC), chonde onani Buku lathunthu la AFC pa: support.izon.com

Malangizo Ogwira Ntchito

Malingaliro otsatirawa aperekedwa kuti awonetsetse kuti gawo la qEV likuyenda bwino:

  • Centrifuge samppang'ono musanalowetse pa column. Kupewa kutsekeka kwa frits, tikulimbikitsidwa kusefa kapena centrifuge biological sample kuchotsa zinthu zazikulu.
    • Centrifuge sampkuchepera pa 1,500 xg kwa mphindi 10 kuchotsa ma cell ndi tinthu tambiri.
    • Pang'onopang'ono sunthani supernatant ku chubu chatsopano ndi centrifuge kachiwiri pa 10,000 xg kwa 10 min.
    • Pakupatula ma microvesicle, gwiritsani ntchito mphamvu zochepa za g pa sitepe yachiwiri ya centrifugation.
  • SampLes ikhoza kukhazikitsidwa musanagwiritse ntchito pamzati kapena mutatha kudzipatula ngati pakufunika. N'zotheka kuika maganizo sampkuchepera zonse zisanachitike komanso/kapena zitatha kugwiritsa ntchito gawo la qEV, komabe Izon imapereka makulidwe angapo kuti achepetse kufunikira kwa pre-analytical s.ampndi concentration. Ngati ma protocol olimbikitsira akufunika, chonde lingalirani izi:
    • Kukhazikika kwa ena sampMitundu ya le ingapangitse kuti madzi ayambe kusungunuka ndi kuphatikizika kwa mapuloteni, makamaka mkodzo samples. Kukhazikika sampLes iyenera kukhala centrifuged pa 10,000 xg kwa mphindi 10 isanakweze pagawo la qEV.
    • Izon amalimbikitsa kugwiritsa ntchito zida za Merck Millipore (zosefera za Amicon® Ultra Centrifugal; C7715). Gwiritsani ntchito malinga ndi malingaliro a wopanga.
    • Kukhazikika kwa sampKuchepa pambuyo pakuyeretsedwa ndi qEV kungayambitse kutaya kwa ma EV ena pa nembanemba.
  • Ndibwino kugwiritsa ntchito magawo amodzi pomwe ma vesicles amawunikidwa ngati ma nucleic acid. Kugwiritsa ntchito mzere wogwiritsa ntchito kamodzi, monga Izon qEVsingle, kumachepetsa kuthekera kwa kuipitsidwa.
  • Onetsetsani kuti sample buffer yakonzedwa moyenera. Kuti musunge magwiridwe antchito a ma EV, chotchingira chotenthetsera chiyenera kukhala cha kutentha kofanana ndi sampndi buffer. SEC itha kugwiritsidwanso ntchito kusinthanitsa buffer ya asample.
    • SampKutentha kwa buffer kuyenera kukhala mkati mwa kutentha kwa 18-24 ˚C (65-75 ˚F).
    • Sampma buffer ayenera kuchotsedwa mpweya komanso kutentha kwachipinda kuti pasakhale thovu la mpweya pabedi la gel osakaniza. Kusintha kwachangu kwa kutentha, mwachitsanzoampKuchotsa mizati yodzaza m'chipinda chozizira ndikuyika malo otchingira kutentha, kumatha kuyambitsa thovu la mpweya pabedi lodzaza, zomwe zimapangitsa kuti pasakhale kulekana.
    • Gwiritsani ntchito chotchinga chokhala ndi mphamvu ya ayoni ya 0.15 M kapena kupitilira apo kuti mupewe kuyanjana kulikonse kosafunika kwa ayoni pakati pa molekyulu ya solute ndi matrix.
    • Gwiritsani ntchito buffer yosefedwa mwatsopano (0.22 µm) kuti mupewe kuyambitsa tizilombo toyambitsa matenda.
    • Mizati ya qEV imabwera yofanana mu PBS yosefedwa yomwe ili ndi <0.1% w/v sodium azide.
Kukhazikitsa Kolamu ndi Kulinganiza
  1. Gwirizanitsani ndime ndi sampChosungiracho chiyenera kukhala mkati mwa kutentha kwa 18-24 ˚C.
    Osachotsa zipewa mpaka gawo litafika kutentha kwa ntchito.
    Sampma buffer ayenera kuchotsedwa mpweya komanso kutentha kwachipinda kuti pasakhale thovu la mpweya pabedi la gel osakaniza. Kusintha kwachangu kwa kutentha, mwachitsanzoampKuchotsa mizati yodzaza m'chipinda chozizira ndikuyika malo otchingira kutentha, kumatha kuyambitsa thovu la mpweya pabedi lodzaza, zomwe zimapangitsa kuti pasakhale kulekana.
  2. Mosamala chotsani chipewa chapamwamba chokha ndikugwirizanitsa ndimeyo pamalo oongoka pamalo okonzeka kugwiritsidwa ntchito. qEVsingle racks ndi Automatic Fraction Collector (AFC) akupezeka kuchokera store.izon.com
  3. Chotsani kapu yapansi ndikulola kuti buffer iyambe kudutsa ndime.
  4. Ngati mukugwiritsa ntchito PBS ngati buffer yanu ndiye kuti gawo lanu lakonzeka kugwiritsidwa ntchito. Ngati ntchito yanu yotsika pansi yakhudzidwa ndi 0.05% sodium azide, tsitsani gawoli ndi magawo awiri a PBS.
    Ngati chotchingira chotchinga china kupatula PBS ndichoti chigwiritsidwe ntchito, gwirizanitsani gawoli ndi magawo atatu a bafa atsopanowo.
    Gwiritsani ntchito buffer yosefedwa mwatsopano (0.22 µm) kuti mupewe kuyambitsa tizilombo toyambitsa matenda.
Sampndi Loading
  1. Kupewa kutsekeka kwa frits, tikulimbikitsidwa kusefa kapena centrifuge biological sample kuchotsa zinthu zazikulu.
    Onani Gawo 4.1: Malangizo Ogwiritsira Ntchito Kuti mudziwe zambiri.
  2. Pitirizani kulola kuti buffer idutse pamndandanda. Chigawocho chidzasiya kuyenda pamene buffer yonse yalowa muzitsulo zotsegula.
  3. Kwezani okonzeka centrifuged samplembani voliyumu ku frit yotsitsa.
    Pewani kuyimitsa mzati pakuyenda kwa nthawi yayitali kuti muwonetsetse kulekanitsidwa kolondola kwa EV.
  4. Nthawi yomweyo yambani kutolera voliyumu ya buffer (izi zikuphatikiza voliyumu yomwe idachotsedwa potsitsa sample).
  5. Lolani sample kuthamangira mu column. Mzere udzasiya kuyenda pamene onse a sample walowa mu loading frit.
  6. Kwezani mgawo ndi buffer ndikupitiliza kusonkhanitsa voliyumu ya bafa.
  7. Voliyumu ya buffer ikasonkhanitsidwa, pitilizani kusonkhanitsa Purified Collection Volume (PCV).
    Kuti mutenge ma voliyumu olondola, ingokwezani voliyumu yomwe ikufunika pamwamba pa ndime, dikirani kuti voliyumu idutse mpaka kutuluka kutayima ndikubwereza.
Kutaya Mzere
  1. Mizati ya qEVsingle idapangidwa kuti igwiritsidwe ntchito kamodzi ndipo iyenera kutayidwa motetezeka ikagwiritsidwa ntchito.

ZOKHUDZA

Kuyeretsa Kolamu ndi Kuyeretsa

Mizati ya qEVsingle idapangidwa kuti igwiritsidwe ntchito kamodzi.

Protocols for EV Isolation from Common Sources

Onani Izon Support Center support.izon.com kuti mupeze zolemba ndi ma protocol wamba a EV samples. Ngati simukudziwa choti muchite kuti mukonzekere sample, chonde lemberani support@izon.com kuti awathandize.

EV Analysis Pogwiritsa Ntchito TRPS

Izon imalimbikitsa kusanthula kwa TRPS kuti mudziwe kukula kwa tinthu, kukhazikika, ndi kuthekera kwa zeta. Izon Reagent Kit imaphatikizapo njira zokutira zokutira pore, kuchepetsa kumangirira kosakhazikika komanso kumapereka kukhazikika kokhazikika komanso kolondola komanso kusanthula ndende.

Pakuwunika kwa TRPS kwa ma EV, Izon imalimbikitsa kuchepetsedwa koyamba kwa 1/5 kapena 1/10 mu electrolyte. Konzani dilution kuti mukwaniritse kuthamanga kwapamwamba kwambiri kwa pafupifupi 200 mpaka 1600 particles pamphindi kuti mupewe kutsekeka kwa pore.

Onani Izon Support Center support.izon.com kuti mumve zambiri pakuwunika kwa EVs ndi TRPS.

zolemba

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www.izon.com

Zolemba / Zothandizira

IZON ICS-70 qEV Single Size Exclusion Chromatography Columns [pdf] Buku Logwiritsa Ntchito
ICS-70, qEV Mizati ya Kupatula Kukula Kumodzi kwa Chromatography, ICS-70 qEV Mizati ya Single Size Kupatulapo Chromatography

Zothandizira

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