Hauv bioprocessing, kev tswj xyuas qhov tseeb ntawm ib puag ncig ib puag ncig yog qhov tseem ceeb.Qhov tseem ceeb tshaj plaws ntawm cov xwm txheej no yog pH, uas cuam tshuam rau kev loj hlob thiab kev tsim khoom ntawm cov kab mob lossis cov hlwb siv hauv ntau yam kev siv biotechnological.Txhawm rau ua tiav qhov kev tswj hwm no, cov neeg ua haujlwm bioreactor vam khom cov cuab yeej thiab cov sensors - qhov tseem ceeb tshaj plaws yog qhovbioreactor pH sensor.
Bioreactor pH Sensor: Lub hauv paus ntsiab lus ntawm pH ntsuas
1. Bioreactor pH Sensor: Txhais ntawm pH
pH, los yog "muaj peev xwm ntawm hydrogen," yog ib qho kev ntsuas ntawm acidity los yog alkalinity ntawm cov tshuaj.Nws ntsuas qhov concentration ntawm hydrogen ions (H +) nyob rau hauv ib qho kev daws teeb meem thiab qhia nyob rau hauv ib tug logarithmic scale li ntawm 0 mus rau 14, nrog rau 7 sawv cev rau nruab nrab, qhov tseem ceeb hauv qab no 7 qhia acidity, thiab cov nqi saum toj no 7 qhia alkalinity.Hauv bioprocessing, tswj hwm qib pH tshwj xeeb yog qhov tseem ceeb rau kev pom kev loj hlob thiab tsim khoom ntawm cov kab mob lossis cov hlwb.
2. Bioreactor pH Sensor: pH Scale
Kev nkag siab txog pH nplai yog qhov tseem ceeb rau kev nkag siab qhov tseem ceeb ntawm kev saib xyuas pH.Lub logarithmic xwm ntawm qhov ntsuas txhais tau hais tias ib qho kev hloov pauv ib feem sawv cev rau qhov sib txawv kaum npaug ntawm hydrogen ion concentration.Qhov rhiab heev no ua rau pH tswj qhov tseem ceeb hauv bioreactors, qhov twg me me sib txawv tuaj yeem cuam tshuam rau bioprocess.
3. Bioreactor pH Sensor: Qhov tseem ceeb ntawm pH soj ntsuam hauv Bioprocessing
Bioprocessing encompasses ntau yam kev siv, suav nrog fermentation, biopharmaceutical ntau lawm, thiab kev kho dej khib nyiab.Hauv txhua qhov ntawm cov txheej txheem no, kev tswj hwm qhov pH tshwj xeeb yog qhov tseem ceeb rau kev tswj cov tshuaj tiv thaiv enzymatic, kev loj hlob microbial, thiab cov khoom zoo.Kev tshuaj xyuas pH ua kom ntseeg tau tias qhov chaw bioreactor tseem nyob hauv qhov kev xav tau, ua kom muaj txiaj ntsig zoo thiab cov khoom lag luam tawm los.
4. Bioreactor pH Sensor: Cov yam ntxwv cuam tshuam rau pH hauv Bioreactors
Ntau yam tuaj yeem cuam tshuam pH qib hauv bioreactors.Cov no suav nrog ntxiv cov tshuaj acidic lossis alkaline, metabolic byproducts ntawm cov kab mob, thiab kev hloov pauv hauv qhov kub thiab txias.Kev saib xyuas thiab tswj cov kev hloov pauv hauv lub sijhawm tiag tiag yog ua tau los ntawm pH sensors, uas ua lub luag haujlwm tseem ceeb hauv kev tswj hwm bioprocess.
Bioreactor pH Sensor: Hom pH Sensors
1. Bioreactor pH Sensor: iav Electrode pH Sensors
Iav electrode pH sensors yog ib qho ntawm ntau hom siv hauv bioprocessing.Lawv muaj cov iav membrane uas teb rau cov kev hloov hauv hydrogen ion concentration.Cov sensors no muaj npe nrov rau lawv qhov raug thiab kev ntseeg tau, ua rau lawv xaiv qhov kev xaiv rau kev siv bioreactor tseem ceeb.
2. Bioreactor pH Sensor: ISFET (Ion-Selective Field-Effect Transistor) pH Sensors
ISFET pH sensors yog cov khoom siv hauv lub xeev uas ntsuas pH hloov pauv los ntawm kev ntsuas qhov hluav taws xob hla ntawm silicon nti.Lawv muab cov txiaj ntsig zoo xws li kev ua haujlwm ntev thiab tsim nyog rau kev siv ib zaug, ua rau lawv xaiv ntau yam hauv bioprocessing.
3. Bioreactor pH Sensor: Siv Electrodes
Reference electrodes yog ib qho tseem ceeb ntawm pH sensors.Lawv muab cov ntaub ntawv muaj peev xwm ruaj khov rau cov iav electrode ntsuas pH.Kev xaiv ntawm cov khoom siv electrode tuaj yeem cuam tshuam kev ua haujlwm ntawm lub sensor, thiab xaiv txoj kev sib xyaw ua ke yog qhov tseem ceeb rau kev ntsuas pH raug.
4. Bioreactor pH Sensor: Sib piv ntawm Sensor Hom
Xaiv qhov zoo pH sensor rau daim ntawv thov bioprocessing yog nyob ntawm cov yam xws li qhov tseeb, durability, thiab compatibility nrog rau cov txheej txheem tshwj xeeb.Kev sib piv ntawm ntau hom sensor yuav pab cov kws tshaj lij bioprocess txiav txim siab thaum xaiv cov khoom siv tshuaj xyuas pH.
Bioreactor pH Sensor: Bioreactor pH Sensor Tsim
1. Bioreactor pH Sensor: Sensor Tsev
Lub tsev nyob sensor yog lub plhaub sab nraud uas tiv thaiv cov khoom sab hauv los ntawm qhov hnyav ib puag ncig hauv bioreactor.Thaum xaiv cov khoom siv rau lub tsev, nws yog ib qho tseem ceeb uas yuav tsum xav txog yam xws li tshuaj lom neeg sib raug zoo, ua kom ntev, thiab yooj yim ntawm kev ntxuav.Stainless hlau yog cov khoom siv feem ntau vim nws tsis kam mus corrosion thiab robustness.Cov duab thiab qhov loj ntawm lub tsev yuav tsum tau tsim kom haum rau qhov tshwj xeeb bioreactor qhov yuav tsum tau ua thaum ua kom yooj yim ntawm kev teeb tsa thiab kev saib xyuas.
2. Bioreactor pH Sensor: Sensing Element
Lub plawv ntawm lub pH sensor yog nws lub ntsiab lus.Bioreactor pH sensorsFeem ntau yog siv ib lub iav electrode los yog Ion-Sensitive Field Effect Transistor (ISFET) ua lub ntsiab lus.Cov iav electrodes paub txog lawv qhov tseeb thiab kev ntseeg tau, thaum ISFETs muaj qhov zoo ntawm cov khoom siv me me thiab muaj zog.Kev xaiv ntawm ob qho no feem ntau nyob ntawm daim ntawv thov cov cai.Xaiv cov tshuaj electrolyte uas tsim nyog nyob rau hauv qhov ntsuas qhov ntsuas yog qhov tseem ceeb rau kev tswj xyuas electrode kev ua haujlwm dhau sijhawm.
3. Bioreactor pH Sensor: Siv Electrode
Ib qho kev siv electrode yog qhov tseem ceeb rau kev ntsuas pH vim nws muab qhov taw qhia ruaj khov.Muaj ntau hom kev siv electrodes, suav nrog Ag / AgCl thiab Calomel electrodes.Kev saib xyuas kev txiav txim siab koom nrog ua kom cov ntaub ntawv siv electrode hlws ris huv si thiab xyuas kom cov kev siv tshuaj nyob ruaj khov.Tsis tu ncua xyuas thiab rov ua kom tiav cov lus qhia siv yog tsim nyog los tswj qhov tseeb.
4. Bioreactor pH Sensor: Kev tsim qauv tsim
Kev sib txuas tsim ntawm pH sensor yog qhov tseem ceeb rau kev tswj xyuas qhov ntws ntawm ions ntawm cov txheej txheem kev daws teeb meem thiab cov khoom siv electrode.Qhov kev tsim no yuav tsum tiv thaiv clogging thiab txo qis drift hauv kev nyeem ntawv.Kev xaiv ntawm cov khoom sib txuas thiab nws cov teeb tsa ua lub luag haujlwm tseem ceeb hauv kev ua haujlwm tag nrho ntawm lub sensor.
6. Bioreactor pH Sensor: Calibration txheej txheem
Calibration yog ib kauj ruam tseem ceeb los xyuas kom meej pH ntsuas.pH sensors yuav tsum tau calibrated tsis tu ncua siv cov txheej txheem tsis daws teeb meem nrog paub pH qhov tseem ceeb.Cov txheej txheem calibration yuav tsum tau ua raws li nruj me ntsis, thiab cov ntaub ntawv calibration yuav tsum tau khaws cia rau traceability thiab zoo tswj lub hom phiaj.
Bioreactor pH Sensor: Kev teeb tsa thiab kev koom ua ke
1. Bioreactor pH Sensor: Muab tso rau hauv Bioreactor
Kev tso chaw zoo ntawm pH sensors hauv bioreactor yog qhov tseem ceeb kom tau txais kev ntsuas tus neeg sawv cev.Cov sensors yuav tsum tau nyob rau hauv qhov chaw los saib xyuas pH variations thoob plaws hauv lub nkoj.Lub installation yuav tsum tau xav txog yam xws li sensor orientation thiab deb ntawm lub agitator.
2. Bioreactor pH Sensor: Kev sib txuas rau Cov Txheej Txheem Tswjhwm
Bioreactor pH sensors yuav tsum tau muab tso rau hauv kev tswj hwm ntawm bioreactor.Qhov no suav nrog kev sib txuas ntawm lub sensor mus rau lub transmitter lossis tus maub los uas tuaj yeem txhais cov pH nyeem ntawv thiab kho qhov tsim nyog los tswj cov qib pH uas xav tau.
3. Bioreactor pH Sensor: Cable thiab Connector Considerations
Xaiv txoj cai cables thiab connectors yog ib qho tseem ceeb rau kev txhim khu kev qha cov ntaub ntawv kis tau tus mob thiab kav ntev.Cables yuav tsum tau tsim los tiv thaiv cov mob hnyav nyob rau hauv lub bioreactor, thiab connectors yuav tsum yog corrosion-resistant kom muaj kev ruaj ntseg hluav taws xob kev twb kev txuas.
Bioreactor pH Sensor: Calibration thiab Kho
1. Bioreactor pH Sensor: Calibration txheej txheem
Tsis tu ncua calibration yog qhov tseem ceeb los xyuas kom meej pH ntsuas.Qhov zaus ntawm calibration nyob ntawm yam xws li lub sensor qhov ruaj khov thiab qhov tseem ceeb ntawm pH tswj hauv cov txheej txheem.Nws raug nquahu kom ua raws li cov chaw tsim khoom cov lus qhia rau cov txheej txheem calibration.
2. Bioreactor pH Sensor: zaus ntawm Calibration
Qhov zaus ntawm calibration yuav tsum tau txiav txim siab raws li cov ntawv thov tshwj xeeb thiab qhov ntsuas qhov ruaj khov.Qee lub sensors yuav xav tau ntau zaus calibration, thaum lwm tus tuaj yeem tswj tau qhov tseeb ntawm lub sijhawm ntev.
3. Bioreactor pH Sensor: Kev tu thiab tu
Kev tu thiab tu kom zoo yog qhov tseem ceeb rau kev siv lub sijhawm ntev thiab raug.Cov txheej txheem ntxuav yuav tsum tau ua tsis tu ncua kom tshem tawm cov biofilm lossis cov deposits uas tuaj yeem sau rau ntawm qhov chaw sensor.Kev saib xyuas yuav tsum suav nrog kev tshuaj xyuas cov khoom siv hluav taws xob thiab kev sib txuas rau cov cim ntawm kev hnav lossis kev sib kis.
4. Bioreactor pH Sensor: Kev daws teeb meem ntau yam
Txawm hais tias tsim nyog thiab kev saib xyuas zoo, pH sensors yuav ntsib teeb meem xws li drift, teeb liab, lossis electrode fouling.Cov txheej txheem daws teeb meem yuav tsum muaj nyob rau hauv qhov chaw txhawm rau txheeb xyuas thiab daws cov teeb meem tam sim no kom txo qis cov txheej txheem cuam tshuam.
Xaus
Covbioreactor pH sensoryog ib qho cuab yeej tseem ceeb hauv bioprocessing, tso cai rau kev tswj hwm ntawm pH qib kom zoo dua microbial kev loj hlob thiab cov khoom tawm los.Kev nkag siab txog cov hauv paus ntsiab lus ntawm kev ntsuas pH thiab ntau hom pH sensors muaj txhawb rau cov neeg ua haujlwm bioprocess kom paub cov kev xaiv hauv kev xaiv cov cuab yeej tsim nyog tshaj plaws rau lawv daim ntawv thov.Nrog txhim khu kev qha pH sensors los ntawm cov chaw muab kev pabcuam xws li Shanghai BOQU Instrument Co., Ltd., cov kws tshaj lij bioprocessing tuaj yeem txuas ntxiv mus rau kev ua haujlwm ntawm biotechnology thiab tsim cov khoom lag luam zoo.
Post lub sij hawm: Sep-13-2023