Tris Base, tseem hu ua 2-amino-2-hydroxy-1, 3-propanediol los yog Tris (hydroxymethyl) aminomethane, yog ib qho organic compound nrog rau kev ua haujlwm lom neeg tseem ceeb. Cov qauv qauv tshuaj yog HOCH ₂ (CH ₂ OH) ₂ CH ₂ NH ₂, uas yog ternary cawv amine nrog ib pawg cawv hydroxyl thiab ob pawg thawj cawv hydroxyl. Nws cov mis molecular yog C3H8NO3, CAS 77-86-1, nrog ib qho hnyav molecular ntawm 121.1. Nyob rau hauv daim ntawv ntawm dawb crystalline hmoov, odorless. Raws li kev sim tshuaj, nws muaj ntau yam kev siv hauv cov tshuaj buffering, cov kuab tshuaj, thiab lwm yam. Nws ua lub luag haujlwm tseem ceeb hauv thaj chaw xws li biochemistry, molecular biology, kab lis kev cai ntawm tes, thiab cov tshuaj hauv chaw kuaj mob, muab cov kev sim tsim nyog thiab kev ruaj ntseg rau kev tshawb fawb tshawb fawb. Nws muaj ntau yam kev siv raws li ob qho tib si tsis muaj thiab cov kuab tshuaj nyob rau hauv thaj chaw ntawm biochemistry, molecular biology, thiab biomedical science. Nws ua lub luag haujlwm tseem ceeb hauv kev tswj cov tshuaj pH, stabilizing protein thiab nucleic acid cov qauv, tswj cov kab lis kev cai ib puag ncig ntawm tes, thiab txhawb cov enzyme catalyzed cov tshuaj tiv thaiv. Cov kws tshawb fawb feem ntau siv Tris lub hauv paus hauv kev sim tsim thiab kev ua kom zoo kom ntseeg tau qhov tseeb thiab rov tsim dua tshiab ntawm cov txiaj ntsig kev sim.
(Cov khoom txuas:https://www.bloomtechz.com/basic-chemicals/raw-materials/tris-base-powder-cas-77-86-1.html)
Tris puag yog ib qho chaw kuaj tshuaj siv dav hauv kev tshawb fawb biochemical. Nws muaj ntau yam khoom zoo heev, ua rau nws siv dav hauv biochemistry.
1. Kev siv ntawm qhov tsis:
Tris puag yog dav siv los ua qhov tsis nyob hauv kev sim biochemical. Tsis muaj peev xwm stabilize pH tus nqi ntawm cov tshuaj, muab qhov tsim nyog ion zog thiab buffering muaj peev xwm, thiab xyuas kom meej stability ntawm kev sim tej yam kev mob. Cov hauv qab no yog cov ntsiab lus tseem ceeb ntawm Tris puag raws li qhov tsis muaj:
-Protein kev tshawb fawb: Tris tsis yog feem ntau siv hauv kev tshawb fawb protein, xws li kev sib cais ntawm cov protein, purification, thiab kev txiav txim siab enzyme. Nws tuaj yeem muab cov pH tsim nyog thiab lub zog ion kom tswj tau cov protein ruaj khov thiab ua haujlwm.
-Nucleic acid kev tshawb fawb: Tris tsis yog tseem siv ntau hauv kev tshawb fawb nucleic acid, xws li DNA / RNA electrophoresis tsom xam, hybridization thwmsim, thiab PCR cov tshuaj tiv thaiv. Nws tuaj yeem muab qhov tsim nyog pH thiab ion lub zog, stabilize cov qauv thiab cov tshuaj tiv thaiv ntawm nucleic acids.
- Kev tshawb fawb Enzymatic: Tris tsis ua haujlwm tseem ceeb hauv kev tshawb fawb enzymatic. Nws tuaj yeem muab cov pH tsim nyog thiab lub zog ion los tswj cov enzyme kev ua haujlwm thiab kev ruaj ntseg. Cov ntawv thov feem ntau suav nrog cov tshuaj tiv thaiv enzyme catalyzed, kev txiav txim siab ntawm cov khoom siv hauv qab, thiab kev ua kom huv enzyme.
2. Kev siv ntawm tes kab lis kev cai:
Tris tsis tau kuj tau siv dav hauv kab lis kev cai ntawm tes. Cell kab lis kev cai yog ib qho cuab yeej tseem ceeb rau kev kawm txog biology thiab tshuaj nrhiav pom, thiab Tris puag tuaj yeem muab cov pH tsim nyog thiab lub zog ion, muab qhov chaw ruaj khov rau cov hlwb.
-Kev npaj ntawm cell kab lis kev cai nruab nrab: Tris tsis yog feem ntau siv rau kev npaj cell kab lis kev cai nruab nrab. Nws tuaj yeem ua raws li qhov tsis tuaj yeem tswj hwm tus nqi pH ntawm kab lis kev cai nruab nrab, muab lub zog ion tsim nyog, thiab tswj kev loj hlob ntawm tes.
-Cell lysis: Thaum lub sijhawm ua haujlwm ntawm cell lysis, Tris tsis tuaj yeem siv los ua lysis tsis tuaj yeem pab tswj cov pH tus nqi ntawm cov tshuaj thiab tiv thaiv kev ncaj ncees ntawm cov khoom ntawm tes.
3. Kev siv cov txheej txheem analytical:
Tris tsis tau kuj tau siv dav hauv ntau yam kev tshuaj ntsuam xyuas, muab cov kev sim txhim khu kev qha rau kev tshawb fawb biochemical.
-Protein electrophoresis: Tris tsis yog feem ntau siv los ua electrophoresis tsis nyob rau hauv protein gel electrophoresis. Nws tuaj yeem txhim kho cov qauv ntawm cov proteins nyob rau hauv alkaline tej yam kev mob, muab ion lub zog tsim nyog, thiab txhawb cov protein electrophoresis sib cais.
-Nucleic acid electrophoresis: Tris tsis yog feem ntau siv los ua electrophoresis tsis nyob hauv nucleic acid gel electrophoresis. Nws tuaj yeem txhim kho cov qauv ntawm nucleic acids nyob rau hauv cov xwm txheej alkaline, muab lub zog ion tsim nyog, thiab txhawb kev sib cais electrophoresis ntawm nucleic acids.
-Kev ua haujlwm siab ua kua chromatography (HPLC): Tris tsis tuaj yeem siv los ua lub sijhawm txawb hauv HPLC los cais thiab txheeb xyuas cov qauv ntawm cov biomolecules me, cov protein, thiab nucleic acids.
4. Lwm yam kev siv:
Ntxiv rau cov ntawv thov saum toj no, Tris puag muaj lwm yam kev siv tseem ceeb hauv kev tshawb fawb biochemical.
-Enzyme activation: Hauv qee qhov kev sim ua kom enzyme, Tris puag tuaj yeem siv los ua tus activator. Nws tuaj yeem muab qhov tsim nyog alkaline tej yam kev mob thiab tsim cov complexes ruaj khov nrog enzyme substrates, yog li ua kom muaj kev ua haujlwm enzyme.
-Fluorescent dye dilution: Tris tsis yog feem ntau siv rau dilution thiab npaj cov fluorescent dyes. Nws tuaj yeem dilute fluorescent dyes kom tau txais cov ntsiab lus tsim nyog thiab ruaj khov hauv kev sim.
-Tsev thiab tshuaj tua kab mob: Vim nws cov khoom alkaline, Tris puag tuaj yeem siv los ntxuav thiab tua kab mob hauv cov hlab ntsha thiab cov cuab yeej siv. Nws muaj peev xwm neutralize acidic residues, ua lub luag haujlwm hauv kev tu thiab kom tsis muaj menyuam.
Tris puag, raws li kev sim tshuaj, muaj ntau yam kev siv hauv kev tshawb fawb biochemical. Nws ua lub luag haujlwm tseem ceeb hauv cov neeg ua haujlwm buffering, kab lis kev cai ntawm tes, cov tswv yim tshuaj xyuas, thiab muab cov kev sim tsim nyog thiab kev ruaj ntseg rau kev tshawb fawb biochemical. Txawm hais tias nws yog kev tshawb fawb protein, kev tshawb fawb nucleic acid, lossis kab lis kev cai ntawm tes, Tris puag yog ib qho tseem ceeb hauv kev sim tshuaj.
5. Tris puag (trimethylaminomethane) yog ib qho tshuaj lom neeg siv hauv kev sim thiab muaj qee yam kev siv hauv kev tshawb fawb roj teeb. Lub roj teeb tsis yog ib qho tseem ceeb hauv cov roj teeb uas ruaj khov pH, tswj cov ion concentration, thiab tswj cov tshuaj electrochemical. Cov hauv qab no yog cov kev siv tseem ceeb ntawm Tris puag hauv roj teeb tsis daws teeb meem:
5.1. pH regulator:
Tris puag tuaj yeem ua tus pH regulator hauv roj teeb tsis muaj zog. Hauv qee cov tshuaj tiv thaiv electrochemical, kev hloov pauv ntawm tus nqi pH tuaj yeem cuam tshuam cov chaw electroactive ntawm lub electrode nto thiab muaj feem xyuam rau kev tsiv teb tsaws kinetics ntawm electrolyte ions. Los ntawm kev ntxiv qhov tsim nyog ntawm Tris puag, pH tus nqi ntawm lub roj teeb tsis tuaj yeem hloov kho rau qhov tsim nyog, yog li ua kom zoo dua qhov kev nce qib ntawm cov tshuaj tiv thaiv electrochemical.
5.2. Ion concentration regulators:
Tris puag kuj tseem siv tau los ua ion concentration regulator hauv roj teeb tsis. Hauv qee lub roj teeb, kev hloov pauv hauv ion concentration tuaj yeem cuam tshuam ncaj qha rau kev ua haujlwm thiab kev ruaj ntseg ntawm lub roj teeb. Los ntawm kev ntxiv Tris hauv paus rau lub roj teeb tsis tuaj yeem hloov kho ion concentration hauv cov tshuaj, thiab kev thauj mus los ion thiab cov tshuaj tiv thaiv kinetics ntawm lub roj teeb tuaj yeem ua kom zoo dua.
5.3. Cathodic Protection Agent:
Tris puag kuj tuaj yeem siv los ua tus neeg sawv cev tiv thaiv cathodic hauv roj teeb tsis. Hauv qee lub tshuab roj teeb, cov khoom siv cathode yuav hnov mob nrog qee yam khoom hauv electrolyte, ua rau degradation thiab kev puas tsuaj ntawm cathode nto. Ntxiv qhov tsim nyog ntawm Tris puag tuaj yeem tsim cov yeeb yaj kiab tiv thaiv, txo cov nyhuv corrosive ntawm qee yam khoom phom sij ntawm cathode, yog li txuas ntxiv lub neej ntev thiab kev ua haujlwm ntawm lub roj teeb.
Nws yuav tsum tau muab sau tseg tias daim ntawv thov ntawm Tris puag nyob rau hauv lub roj teeb buffer tov yuav tsum tau optimized thiab kho raws li ib tug tshwj xeeb roj teeb system thiab kev tshawb fawb lub hom phiaj. Tsis tas li ntawd, Tris lub hauv paus tsuas yog ib feem ntawm lub roj teeb tsis zoo, thiab cov roj teeb ua tiav tsis zoo kuj yuav tsum xav txog lwm yam, xws li kev xaiv electrolyte, cov khoom siv anode, thiab lwm yam.
Hauv cov ntsiab lus, Tris puag, raws li kev sim tshuaj, muaj qee yam kev siv peev xwm hauv kev tshawb fawb roj teeb. Los ntawm kev kho tus nqi ntawm Tris puag ntxiv kom tsim nyog, kev ua kom zoo ntawm pH tus nqi, ion concentration, thiab cathodic tiv thaiv ntawm lub roj teeb tsis tuaj yeem ua tiav, yog li txhim kho kev ua haujlwm thiab kev ruaj ntseg ntawm lub roj teeb. Txawm li cas los xij, cov ntawv thov tshwj xeeb thiab cov txiaj ntsig xav tau kev sim thiab tshawb xyuas raws li qhov xwm txheej tiag tiag.