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Labarai

Yadda za a zabi pipette tukwici?

01 Kayan kayan tsotsa

A halin yanzu, bututun bututun pipette a kasuwa yana amfani da filastik polypropylene, wanda ake magana da shi azaman PP, wanda shine nau'in filastik mai launi mara launi tare da inertia mai sinadarai da kewayon zafin jiki.

Duk da haka, wannan shi ne polypropylene, za a sami babban bambanci a cikin inganci: high quality bututun ƙarfe gabaɗaya an yi shi da polypropylene na halitta, kuma ƙananan bututun ƙarfe zai yuwu a sake yin amfani da filastik polypropylene, wanda kuma aka sani da sake yin fa'ida PP, a wannan yanayin, zamu iya. kawai a ce babban abin da ke cikinsa shine polypropylene.

02 Kundin kan tsotsa

An shirya bututun bututun mai a cikin jaka da kwalaye. A cikin ingantattun kasuwanni, akwatunan akwatin sun mamaye; Kuma a cikin kasuwarmu, jakunkuna sun zama na al'ada a halin yanzu - galibi saboda suna da arha.

Abin da ake kira jakunkuna, shine a sanya kawunan tsotsa a cikin buhunan filastik, kowane jaka 500 ko 1000 (yawan manyan kanun tsotsa a kowace jaka zai zama karami sosai). Yawancin abokan ciniki za su sayi jakunkuna bayan kan tsotsa, sannan su sanya kan tsotsa da hannu a cikin akwatin tsotsa, sannan a yi amfani da tukunyar haifuwa mai matsananciyar tururi don haifuwa.

Bugu da kari, a cikin 'yan shekarun nan, an sami wani sabon nau'in marufi na kai (faranti 8 ko 10 da aka tattara a cikin hasumiya, ana iya sanya shi cikin sauri cikin akwatin kai ba tare da taɓa kai ba). Tsotsar yana buƙatar ƙarancin wurin ajiya kuma yana rage amfani da filastik, wanda ke da alaƙa da muhalli.

03 Farashin shugaban tsotsa

Bari mu fara da nasihun jakunkuna na al'ada (1000 kowace jaka a cikin 10μL, 200μL da 1000μL masu girma). Nasihun jakunkuna sun kasu zuwa maki uku:
① Shugaban shigo da kaya: mafi tsada shine Eppendorf, jaka zuwa yuan 400 ~ 500;
(2) Abubuwan da aka shigo da su, samar da gida: alamar wakilcin wannan nau'in shine Axygen, farashin sa gabaɗaya 60 ~ 80 yuan, bututun ƙarfe na Axygen a cikin kasuwar kasuwa yana da girma sosai;
(3) Shugaban tsotsa na cikin gida: irin su jiete tsotsa shugaban, kewayon farashin gabaɗaya yuan 130-220; Farashin kewayon nesi tsotsa shugaban shine gabaɗaya yuan 50 ~ 230; Beekman shugaban tsotsa halittu, kewayon farashin gabaɗaya yuan 30-50 ne. Gabaɗaya, farashin tukwici na tukwici ya ninka na tukwici 2-3 sau 2-3, yayin da tukwici masu tarin yawa sun fi 10-20% rahusa fiye da tukwici.

04 Daidaiton kan tsotsa

Dacewar tukwici na pipette wani batu ne da masu amfani ke ba da hankali sosai a yanzu. Me yasa? Domin ba duk nozzles ba ne za a iya amfani da su a cikin kowane nau'i na pipette tare da kewayon da ya dace, don haka abokan ciniki dole ne su kula da dacewa da bututun ƙarfe lokacin siyan bututun.

Zamu iya fahimtar karbuwar kan tsotsa daga abubuwa masu zuwa:

(1) Ƙayyadaddun shugaban tsotsa: wasu nau'ikan nau'ikan nau'ikan pipette na iya amfani da nasa daidaitaccen shugaban tsotsa, ba za a iya amfani da sauran kan tsotsa ba. Rainin's multichannel pipette, alal misali, dole ne yayi amfani da nozzles na LTS na kansa;

(2) Matsayin daidaitawar pipette: yanayin da aka fi sani shine pipette na iya amfani da pipettes iri-iri, amma tasirin pipettes bayan shigar da pipettes daban-daban ba iri ɗaya bane. Gabaɗaya, daidaitattun nozzles suna aiki mafi kyau, amma wasu samfuran har yanzu suna da kyau

(3) Pipette da pipette kewayo don daidaitawa: a ƙarƙashin yanayi na al'ada, ƙarar pipette ya kamata ya fi girma ko daidai da iyakar pipette, kamar 200μL pipette za a iya amfani da shi don iyakar pipette na 20μL, 100μL da 200μL;

Specific iya tuntubar mu tallace-tallace ma'aikatan, don tabbatar da cewa abokan ciniki iya saya dace bututun ƙarfe ~

05 Shugaban tsotsa tare da abubuwan tacewa

Kan tsotsan da ke da sinadarin tacewa wani nau'in tacewa ne a saman ƙarshen kan tsotsa, gabaɗaya fari. Abubuwan tacewa yawanci ana yin su ne da polypropylene, kama da tsarin tace sigari.

Saboda kasancewar nau'in tacewa, samfurin da aka cire ba zai iya shiga cikin pipette na ciki ba, don haka yana kare abubuwan da ke cikin pipette daga lalacewa da lalata, kuma mafi mahimmanci, tabbatar da cewa babu wani rikici tsakanin samfurori. Sabili da haka, shugaban tsotsa tare da nau'in tacewa shima muhimmin kayan aiki ne don cire samfuri masu lalacewa da lalata.


Lokacin aikawa: Afrilu-26-2022