Ha ho tluoa tabeng ea ho lekanya le ho fana ka molumo o itseng oa mokelikeli ofe kapa ofe, li-pipette ke tsa bohlokoa haholo tikolohong ea kajeno ea laboratori. Ho ipapisitsoe le boholo ba lab le molumo o lokelang ho fanoa, mefuta e fapaneng ea li-pipette e sebelisoa hangata:
- Li-pipette tse tsamaisang moea
- Li-pipette tse ntle tsa ho falla
- Li-pipette tsa metering
- Li-pipette tsa mefuta e feto-fetohang
Ka 2020, re se re qala ho bona li-micropipette tse tsamaisang moea li bapala karolo ea bohlokoa ntoeng e khahlano le COVID-19, 'me li sebelisoa bakeng sa ho itokisetsa sampole bakeng sa ho lemoha pathogen (mohlala, RT-PCR ea nako ea nnete). Ka tloaelo, ho ka sebelisoa meralo e 'meli e fapaneng, li-pipette tse tsamaisang moea ka letsoho kapa ka motorized.
Manual Air Displacement Pipettes vs Motorized Air Displacement Pipettes
Mohlala oa pipette ea phalliso ea moea, piston e isoa holimo kapa tlase ka har'a pipette ho etsa khatello e mpe kapa e ntle holim'a kholomo ea moea. Sena se lumella mosebelisi ho hema kapa ho ntša sampole ea mokelikeli a sebelisa ntlha e lahloang ea pipette, ha karolo ea moea e ntlheng e arola mokelikeli ho likarolo tse sa lahloang tsa pipette.
Motsamao oa piston o ka etsoa hore o etsoe ka letsoho ke opareitara kapa ka mokhoa oa elektroniki, ke hore, opareitara e tsamaisa piston ka ho sebelisa enjene e laoloang ke konopo ea push.
Meeli ea li-pipette tsa matsoho
Tšebeliso ea nako e telele ea li-pipette tsa letsoho e ka baka khathatso esita le kotsi ho motho ea sebetsang. Matla a hlokahalang ho ntša metsi le ho ntša ntlha ea pipette, e kopantsoeng le metsamao e pheta-phetoang khafetsa ka lihora tse 'maloa, e ka eketsa manonyeletso, haholo-holo monoana o motona, setsoe, letsoho le mahetla, kotsing ea RS (I repetitive muscle strain) kotsi.
Li-pipette tse tsamaisoang ka letsoho li hloka hore konopo ea monoana o motona o tobetsoe ho ntša metsi, athe li-pipette tsa elektroniki li fana ka li-ergonomic tse betere ka konopo ea elektronike mohlaleng ona.
Mekhoa e meng ea Elektronike
Li-pipette tsa elektroniki kapa tsa enjene ke mefuta e meng ea ergonomic ho feta li-pipette tsa letsoho tse ntlafatsang tlhahiso ea sampole ka nepo le ho netefatsa ho nepahala le ho nepahala. Ho fapana le likonopo tsa setso tse laoloang ke menoana le liphetoho tsa molumo oa letsoho, li-pipette tsa motlakase li tla le segokanyimmediamentsi sa dijithale ho lokisa molumo le ho lakatseha le ho tsoa ka piston e tsamaisoang ka motlakase.
Khetho ea Likoloi bakeng sa Pipettes ea Elektronike
Hobane pipetting hangata ke mohato oa pele oa mehato e mengata, ho se nepahale leha e le hofe kapa ho se phethahale ho etsahalang ha ho lekanya karolo ena e nyenyane ea mokelikeli ho ka utloahala ho pholletsa le ts'ebetso eohle, qetellong e ama ho nepahala le ho nepahala ka kakaretso.
Ho nepahala le ho nepahala ke eng?
Ho nepahala ho finyelloa ha pipette e fana ka molumo o tšoanang ka makhetlo a mangata. Ho nepahala ho finyelloa ha pipette e fana ka molumo oa sepheo ka nepo ntle le phoso leha e le efe. Ho nepahala le ho nepahala ho thata ho finyella ka nako e le 'ngoe, leha ho le joalo liindasteri tse sebelisang pipette li hloka ho nepahala le ho nepahala. Ha e le hantle, ke boemo bona bo phahameng ka ho fetesisa bo etsang hore ho khonehe ho hlahisa liphetho tsa liteko.
Pelo ea pipette leha e le efe ea elektronike ke motlakase oa eona, o amang haholo ho nepahala le ho nepahala ha pipette, ho phaella ho lintlha tse ling tsa bohlokoa tse kang boholo ba sephutheloana, matla le boima ba 'mele. Baenjiniere ba meralo ea Pipette ba khetha li-stepper linear actuators kapa li-motors tsa DC. Leha ho le joalo ka bobeli li-stepper motors le DC motors li na le melemo le mathata a tsona.
Likoloi tsa DC
Li-motors tsa DC ke li-motor tse bonolo tse potolohang ha motlakase oa DC o sebelisoa. Ha li hloke likhokahano tse rarahaneng ho etsa hore enjene e tsamaee. Leha ho le joalo, ha ho nahanoa ka litlhoko tsa motsamao oa li-pipette tsa elektroniki, tharollo ea enjene ea DC e hloka sekoti se eketsehileng sa lead le gearing ho fetolela motsamao oa rotary hore e be motsamao oa mola le ho fana ka matla a hlokahalang. Litharollo tsa DC li boetse li hloka mokhoa oa ho fana ka maikutlo ka mokhoa oa sensor ea optical kapa encoder ho laola ka nepo boemo ba piston ea mola. Ka lebaka la inertia e phahameng ea rotor ea eona, baqapi ba bang ba ka boela ba eketsa tsamaiso ea braking ho ntlafatsa ho nepahala ha boemo.
Li-motors tsa stepper
Ka lehlakoreng le leng, baenjiniere ba bangata ba khetha litharollo tsa li-stepper linear actuator ka lebaka la boiketlo ba bona ba ho kopanya, ts'ebetso e ntle haholo le litšenyehelo tse tlase. Li-activator tsa Stepper linear li na le li-motors tsa magnet stepper tse sa feleng tse nang le rotor e nang le khoele le mohala o kopantsoeng oa filament ho hlahisa motsamao o otlolohileng ka har'a lipakete tse nyane.
Nako ea poso: Jun-19-2024