Taw qhia

Txij li thaum nws txoj kev loj hlob nyob rau hauv nruab nrab-20th caug xyoo, cov txheej txheem ua kua scintillation suav tau dhau los ua lub hauv paus ntawm kev tshawb fawb hauv thaj chaw ntawm nuclear physics, biomedical thiab ib puag ncig kev tshawb fawb. Lub hauv paus ntsiab lus yog nyob rau hauv qhov tseeb hais tias lub zog hais tawm thaum lub sij hawm lwj ntawm radionuclides cuam tshuam nrog cov kua scintillation, hloov lub zog mus rau pom photons. Cov photons no tau hloov mus rau hauv cov teeb liab hluav taws xob los ntawm photodetectors (piv txwv li, photomultiplier raj, PMTs), uas yog qhov kawg tshuaj ntsuam xyuas kom muaj nuj nqis ntawm cov khoom siv hluav taws xob.

Txawm hais tias lub aura ntawm cov kua scintillation suav cov tswv yim feem ntau yog tsom rau ntawm lub tshuab ntes lossis cov kua nplaum nws tus kheej, cov vials scintillation, raws li cov thawv uas ncaj qha mus rau hauv cov qauv thiab cov kua scintillating, yog qhov tseem ceeb zais qhov tseem ceeb uas txiav txim siab qhov ua tiav lossis tsis ua tiav ntawm kev sim.

Kev tsim ntawm scintillation vials hauv txoj kev tshawb fawb tam sim no tseem ntsib teeb meem. Lub hom phiaj ntawm daim ntawv no yog txhawm rau txheeb xyuas qhov cuam tshuam ntawm kev ua haujlwm thiab kev tsim cov vials ntawm scintillation ntawm lawv cov kev ua tau zoo, thiab muab cov kws tshawb fawb txog kev tshawb fawb thiab kev coj ua hauv kev xaiv thiab siv cov vials los ntawm kev txheeb xyuas cov haujlwm, ua kom zoo tshaj plaws ntawm kev tsim, xaiv cov khoom, thiab txhim kho kev ua haujlwm.Nyob rau tib lub sijhawm, nws tos ntsoov rau nws txoj kev txhim kho yav tom ntej, muab kev txhawb nqa rau kev txhim kho ntxiv thiab kev nthuav dav ntawm LSC thev naus laus zis.

Txheej txheem cej luam ntawm Liquid Scintillation Counting Technology

1. Lub hauv paus ntsiab lus: Precision chain for Energy conversion

Lub hauv paus ntawm cov kua scintillation suav cov lus dag nyob rau hauv tag nrho cov txheej txheem ntawm kev hloov cov hluav taws xob tawg hluav taws xob rau hauv cov teeb liab kho qhov muag los ntawm cov kua scintillation, thiab nws cov txheej txheem tuaj yeem muab faib ua hluav taws xob excitation, photon tiam, kho qhov muag teeb liab, thiab cov ntaub ntawv tsom xam.

2. Kev soj ntsuam ntawm Cov Ntsiab Lus Technology Segment

• Kev ruaj ntseg tswj kev daws teeb meem scintillation: zam hydrolysis (xws li ethylene glycol-based scintillation tov yuav tsum tau ntxiv antioxidant BHT) los yog photolysis (toluene-raws li tshuaj yuav tsum tau muab cia kom deb ntawm lub teeb); ib feem ntawm cov tshuaj scintillation (xws li ethylene glycol system uas muaj PPO) yog ib qho yooj yim kom nqus tau cov muaju ntawm qhov kub thiab txias (＜4 ℃), uas yuav ua rau poob sai sai ntawm kev ua haujlwm ntawm lub teeb pom kev zoo.

• Ntes rhiab heev optimization: Cov thev naus laus zis tshawb pom tshiab xws li silicon photodiodes nrog cov lus teb dav dav thiab tsis tshua muaj suab nrov yog tsim rau lub teeb pom kev tsis muaj zog; multi-channel detector arrays tuaj yeem ua ke nrog cov teeb liab sib txuas ua ke txhawm rau txhim kho qhov ceev ntawm cov qauv ntsuas ntsuas siab.

• Sample encapsulation thiab purification: Qauv encapsulation thiab purification: Lub hermeticity ntawm scintillation vials yuav tsum tau helium huab hwm coj spectrometry tuaj tos ib tug leakage npaum li cas tsawg tshaj li 1 × 10-⁹ Pa-m³ / s, tiv thaiv oxygen los ntawm kev nkag mus rau oxidative degradation ntawm lub scintillation thiab. Ion txauv resins tuaj yeem siv rau kev ntxuav kom tshem tawm cov hlau ions thiab txo cov keeb kwm yav dhau los. Zinc nitrate/potassium ferrocyanide yog siv los mloog cov radionuclides mus rau lub xeev pelletized, txo cov tshuaj ntim thiab ua kom cov encapsulation efficiency.

Cov kua scintillation suav tshuab ua rau muaj kev nkag siab zoo ntawm cov hluav taws xob tsis tshua muaj hluav taws xob radionuclides los ntawm kev hloov lub zog ntawm cov khoom siv hluav taws xob rau hauv lub teeb liab. Nws qhov kev ua tau zoo nyob ntawm qhov kev ua kom zoo ntawm cov txheej txheem tseem ceeb xws li kev ruaj ntseg ntawm cov kua scintillation, lub rhiab heev ntawm lub ntes thiab encapsulation thiab purification ntawm cov qauv. Raws li cov ntsiab lus tseem ceeb ntawm cov qauv encapsulation, cov kua nplaum nplaum ua lub luag haujlwm tsis tuaj yeem hloov pauv hauv cov kev sib txuas no, thiab nws cov qauv tsim thiab kev xaiv cov khoom muaj feem cuam tshuam rau tag nrho cov kev ua tau zoo ntawm LSC technology.

Core nta thiab tsim ntawm Scintillation Vials

1. Thawv muaj nuj nqi

• Kev sib khi: Scintillation vials yuav tsum muaj kev sib khi zoo heev los tiv thaiv cov pa tawm ntawm cov pa hluav taws xob thaum tsis txhob muaj cov kab mob sab nraud nkag mus rau hauv lub vial.

• Kev sib haum xeeb: Scintillation vials yuav tsum tau sib haum nrog ntau yam ntawm cov kua dej scintillation kom ntseeg tau tias lawv tsis muaj tshuaj lom neeg lossis lub cev deform nyob rau hauv kev sib cuag ntev.

2. Kev xaiv cov khoom siv

• iav: siab transmittance kom maximize photon kis tau tus mob efficiency; zoo heev tshuaj stability, corrosion kuj, haum rau ntau yam scintillation kua; qis tom qab suav, haum rau siab rhiab heev nrhiav kom tau. Txawm li cas los xij, iav tsis yooj yim thiab hnyav.

• Yas: Lub teeb yuag thiab cuam tshuam resistant, yooj yim rau kev khiav lag luam thiab thauj. Txawm li cas los xij, qee cov yas muaj cov radionuclides ntuj thiab tsis muaj tshuaj lom neeg ruaj khov thiab yuav hnov ​​​​mob nrog qee cov kua dej.

• Nto Finishing: Cov khoom siv xws li silica yog coated rau sab hauv phab ntsa ntawm lub raj mis los txhim kho lub teeb pom kev zoo thiab kev sib kis tau zoo thiab ua kom cov zis photon.

3. Kev ua kom zoo thiab cov qauv zoo

• Lub raj mis qhib tsim: Qhov qhib qhib txo cov kua dej, txo cov teeb ci tawg thiab txhim kho cov teeb liab sib xws.

• Kev zam lub teeb: tsaus-xim lub raj mis lossis txheej tuaj yeem cuam tshuam lub teeb sab nraud, txo cov suab nrov tom qab thiab txhim kho cov teeb liab-rau- suab nrov piv.

• Lwm yam optimized designs: scintillation vials nrog conical bottoms lossis tshwj xeeb sab hauv phab ntsa tsim kom txo tau cov seem seem thiab txhim kho tus nqi rov qab; micro vials yog tsim rau kev kuaj micro qauv, uas tuaj yeem txo cov tshuaj scintillation thiab cov nqi qis dua.

Kev tsim thiab xaiv cov khoom siv ntawm cov vials muaj qhov cuam tshuam loj rau lawv qhov kev ua tau zoo. Kev tshawb pom rhiab heev thiab qhov tseeb ntawm kev suav cov kua scintillation tuaj yeem txhim kho tau zoo los ntawm kev txhim kho kev sib khi, kev sib raug zoo, kev xaiv cov khoom, thiab cov duab thiab kev tsim kho. Nyob rau hauv lub neej yav tom ntej, nrog rau kev siv cov ntaub ntawv tshiab thiab thev naus laus zis, kev ua haujlwm ntawm scintillation vials yuav raug txhim kho ntxiv los muab kev txhawb zog rau kev txhim kho LSC thev naus laus zis.

Lub luag haujlwm tseem ceeb ntawm Scintillation Vials

1. Txhim khu kev tshawb nrhiav rhiab heev

• Tsawg suab nrov pem teb: Txo cov kev taw qhia ntawm cov xov tooj cua tsis huv los ntawm kev xaiv cov khoom siv thiab cov txheej txheem sib khi, siv cov iav uas tsis muaj poov tshuaj borosilicate iav los yog cov khoom siv purity siab los txo cov ntsiab lus ntawm ntuj radionuclides. Nqus sealing los yog inert gas filling cov tswv yim yog siv los txo cov nyhuv tawg ntawm oxygen thiab noo noo ntawm cov kua dej scintillation.

• High zog efficiency: optimized lub raj mis phab ntsa transmittance kom ntseeg tau tias qhov siab tshaj plaws ntawm lub teeb pom kev los ntawm tus ntes.

2. Ua kom muaj kev ntseeg siab ntawm kev sim

• Sample stability: Lub sij hawm ntev sealing los tiv thaiv volatilization los yog degradation, haum rau kev sim ntev. Kev tsim qauv zoo ntawm lub kaus mom kom ntseeg tau tias cov qauv tsis xau lossis paug thaum lub sijhawm khaws cia lossis kev thauj mus los ntev.

• Repeatability tswj: Cov txheej txheem ntim cov txheej txheem txo cov kev sim ua yuam kev ntawm cov khoom siv, thiab kev siv cov tshuaj pleev xim vials ntawm qhov loj me, cov duab thiab cov khoom ua kom muaj kev sim zoo ib yam.

3. Extended application scenarios

• Micro-Volume Detection: Micro scintillation vials txhawb nqa cov qauv ntsuas siab dhau los thiab tsim nyog rau kev kuaj xyuas micro-volume, txo cov reagent noj thiab cov nqi sim.

• Kev mob siab heev compatibility: Txais cov iav kub resistant iav los yog cov khoom yas tshwj xeeb, nws yog qhov tsim nyog rau kev tshawb fawb ib puag ncig tshwj xeeb autoclave sterilization los yog tsis tshua muaj kub cia.

Scintillation vials txhim khu kev tshawb pom rhiab heev los ntawm cov suab nrov tom qab qis thiab muaj zog hloov pauv hauv cov kua hluav taws xob suav suav tshuab, thiab tseem lav qhov kev sim kev ntseeg siab los ntawm cov qauv kev ruaj ntseg thiab kev tswj xyuas rov ua dua tshiab. Tsis tas li ntawd, qhov kev tsim kho me me thiab huab cua tsis zoo sib xws ntxiv nthuav dav nws cov ntawv thov scenarios, muab kev txhawb zog rau kev tshawb fawb hauv thaj chaw ntawm nuclear physics, biomedicine thiab kev saib xyuas ib puag ncig. Nyob rau hauv lub neej yav tom ntej, nrog rau kev nce qib ntawm cov khoom siv science thiab kev tsim technology, kev ua tau zoo ntawm scintillation vials yuav raug txhim kho ntxiv, tso lub hauv paus ruaj khov rau kev tsim kho tshiab thiab kev nthuav dav ntawm LSC suav.

Piv txwv kev siv

1. Biomedical teb

• Kev ntsuas ntawm radiotracer hauv radioimmunoassay: Radioimmunoassay (RIA) yog cov txheej txheem tshawb nrhiav biomolecular uas muaj txiaj ntsig zoo uas tau siv dav rau kev txheeb xyuas ntau yam ntawm cov tshuaj hormones, tshuaj thiab cov cim qog. Scintillation vials yog siv los tuav radiolabeled antigen-antibody complexes thiab cov kev daws teeb meem scintillation, kom ntseeg tau tias muaj txiaj ntsig zoo ntawm cov xov tooj cua los ntawm kev xa tawm siab thiab tsim keeb kwm qis.

2. Kev saib xyuas kev nyab xeeb ntawm nuclear

• Tshawb nrhiav cov radioisotopes hauv cov pov tseg nuclear: Nuclear pov tseg muaj ntau yam ntawm cov xov tooj cua isotopes uas yuav tsum tau saib xyuas kom raug kom muaj kev nyab xeeb ib puag ncig. Scintillation vials yog siv los encapsulate nuclear pov tseg extracts thiab scintillation kua rau radiographic nrhiav kom tau, tiv thaiv kom tsis txhob ntawm cov ntaub ntawv radioactive los ntawm corrosion-resistant cov ntaub ntawv thiab hermetic seals.

3. Kev tshawb fawb txog ib puag ncig

• Taug qab radionuclides hauv atmospheric aerosols: Radionuclides nyob rau hauv atmospheric aerosols yog cov cim tseem ceeb rau kev kawm txog cov txheej txheem atmospheric thiab ib puag ncig muaj kuab paug. Scintillation vials yog siv los sau thiab txheeb xyuas radionuclides hauv cov qauv aerosol, txhim kho kev tshawb pom rhiab heev ntawm cov qauv ua haujlwm qis los ntawm kev tsim teeb pom kev zoo thiab kev hloov hluav taws xob zoo.

4. Lwm qhov chaw thov

• Kev nyab xeeb zaub mov: Scintillation vials tuaj yeem siv los txheeb xyuas cov kab mob sib kis hauv cov zaub mov.

• Geological sib tham: yos los ntawm kev ntsuas cov isotopes radioactive hauv pob zeb thiab cov zaub mov.

• Tshuaj nrhiav pom: scintillation vials yog siv rau kev tshawb fawb metabolic kinetic ntawm cov tshuaj radiolabeled.

Scintillation vials tau pom tias lawv lub luag haujlwm tsis tuaj yeem hloov pauv hauv kev siv tswv yim hauv thaj chaw xws li biomedicine, kev saib xyuas kev nyab xeeb nuclear thiab kev tshawb fawb ib puag ncig. Los ntawm lub siab rhiab heev, kev ruaj ntseg siab thiab ntau tus qauv tsim, scintillation vials muab kev txhawb nqa zoo rau kev tshawb nrhiav radioactivity thiab txhawb kev tshawb fawb thiab kev lag luam hauv kev lag luam. Nyob rau hauv lub neej yav tom ntej, nrog rau kev nthuav dav ntawm daim ntawv thov kev xav tau, cov vials yuav txuas ntxiv mus ua nws tus nqi tshwj xeeb hauv ntau thaj chaw.

Cov kev sib tw thiab cov lus qhia rau kev txhim kho

1. Cov kev txwv uas twb muaj lawm

• Fragile iav ua rau muaj kev pheej hmoo ua haujlwm: Txawm hais tias cov iav ci ci fwj yog cov translucent thiab chemically ruaj khov, lawv cov fragility tuaj yeem ua rau cov qauv xau lossis kev sim cuam tshuam thaum thauj thiab siv. Qhov no tuaj yeem ua rau muaj kev sim nce nqi, tshwj xeeb tshaj yog nyob rau hauv high-throughput lossis automated thwmsim.

• Cov yas yuav muaj teeb meem kev laus: Plastic scintillation fwj ah siv lub sij hawm ntev los yog raug rau tej yam kev mob (xws li kub kub, muaj zog acids thiab alkalis) tej zaum yuav laus, ua rau poob rau hauv lub cev khoom los yog tshuaj compatibility, uas yuav txo tau cov kev cia siab thiab reproducibility ntawm kev sim.

• Teeb meem suab nrov tom qab: Qee cov ntaub ntawv yas tuaj yeem muaj cov khoom siv hluav taws xob tsis zoo, uas ua rau muaj kev suav keeb kwm yav dhau los thiab cuam tshuam rau kev tshawb pom rhiab heev ntawm cov qauv ua haujlwm qis.

• Nqi thiab ib puag ncig teeb meem: Cov iav zoo tshaj plaws lossis cov khoom siv tshwj xeeb yas yog tus nqi kim, thiab ib leeg-siv scintillation vials tuaj yeem ua lub nra hnyav rau ib puag ncig.

2. Kev tsim kho tshiab

• Kev loj hlob ntawm cov khoom sib xyaw tshiab: Kev sib xyaw cov tshuaj lom neeg ruaj khov ntawm cov ceramics thiab cov kev cuam tshuam ntawm cov yas, peb tsim cov khoom siv ceramic-raws li cov khoom sib xyaw ua ke uas tiv taus qhov kub thiab txias, corrosion, thiab tsis tshua muaj suab nrov tom qab, ua rau lawv haum rau huab cua txias thiab siab rhiab heev. Kev tsim cov khoom siv yas biodegradable txo lub nra ntawm ib puag ncig thiab tsim nyog rau kev sim siv pov tseg, raws li lub tswv yim ntawm kev txhim kho kom ruaj khov.

• Optimization ntawm kev kho deg technology: siv nanoscale kho qhov muag coatings ntawm lub puab phab ntsa ntawm lub raj mis los txhim kho photon kis tau tus mob efficiency. Ntxiv mus, txhim khu kev tshawb nrhiav rhiab heev, haum rau micro-sample kuaj.

3. Optimization ntawm kev kho deg technology

• Nano-coating technology: nanoscale optically enhanced coatings yog siv rau lub puab phab ntsa ntawm lub scintillation vials los txhim kho photon kis tau tus mob efficiency. Qhov no ntxiv txhim khu kev tshawb nrhiav rhiab heev thiab tsim nyog rau kev kuaj xyuas kab mob.

• Anti-fouling txheej: Anti-fouling coatings tau tsim los txo qis cov qauv seem thiab txhim kho tus nqi rov qab rau cov qauv nqi siab lossis rov siv dua.

Txawm hais tias lub raj mis scintillation ua lub luag haujlwm tseem ceeb hauv cov kua siv hluav taws xob suav cov tshuab, lawv tseem ntsib cov teeb meem ntawm cov khoom siv, kev nyab xeeb thiab kev tiv thaiv ib puag ncig. Qhov kev ua tau zoo thiab daim ntawv thov ntawm scintillation vials tuaj yeem txhim kho tau zoo los ntawm kev tshawb fawb hauv ntau yam. Nyob rau hauv lub neej yav tom ntej, nrog rau kev nce qib ntawm cov ntaub ntawv tshawb fawb thiab kev tsim technology, scintillation vials yuav ua rau muaj kev cuam tshuam ntau dua hauv kev nkag siab, kev ntseeg tau thiab kev ruaj ntseg, txhaj tshuaj tshiab tseem ceeb rau hauv kev tsim cov kua scintillation suav tshuab.

Cov ntsiab lus thiab Outlook

Scintillation vials, raws li lub hauv paus tseem ceeb ntawm cov kua scintillation suav (LSC) thev naus laus zis, ua lub luag haujlwm hloov tsis tau hauv kev tshawb nrhiav hluav taws xob los ntawm kev ua kom zoo dua qub thiab ua kom zoo dua ntawm cov ntaub ntawv, cov qauv thiab cov txheej txheem. Cov khoom siv tshiab, kev ua kom zoo dua qub, kev txhim kho cov txheej txheem thiab lwm yam kev ua kom zoo yog cov cuab yeej txhawb nqa tseem ceeb rau scintillation vials los ua cov kua suav tshuab, uas yog siv dav hauv biomedicine, nuclear zog kev nyab xeeb saib xyuas, kev tshawb fawb ib puag ncig thiab lwm yam haujlwm.

Nrog rau kev txhim kho sai ntawm cov ntaub ntawv tshawb fawb, nanotechnology thiab automation technology, scintillation vials yuav ua tiav kev ua tau zoo dua, smarter thiab ntau tus phooj ywg ib puag ncig tsim yav tom ntej. Cov kev tsim kho tshiab no yuav tsis tsuas yog txhawb nqa kev nce qib ntawm cov kua hluav taws xob suav cov thev naus laus zis, tab sis kuj tseem muab cov cuab yeej muaj zog thiab kev txhawb nqa rau kev tshawb fawb hauv thaj chaw ntawm nuclear physics, biomedicine, thiab kev tshawb fawb ib puag ncig. Nyob rau hauv lub neej yav tom ntej, scintillation vials tau cia siab tias yuav dhau los ua cov txiaj ntsig zoo, txhim khu kev qha thiab ruaj khov ntawm cov cuab yeej siv hluav taws xob tshawb pom.