更新(xin)時間:2025-12-03
氧(yang)化(hua)酶(mei)9028-67-5如果您(nin)對產(chan)品(pin)服務及(ji)技(ji)術指(zhi)標有(you)特(te)殊(shu)要(yao)求(qiu),請及(ji)時通知我(wo)司。我(wo)司竭誠(cheng)提(ti)供(gong)優質(zhi)產(chan)品(pin),以及(ji)完整(zheng)的售(shou)前、售(shou)中和(he)售(shou)後服務。
各位從(cong)事科(ke)研工(gong)作的小(xiao)夥(huo)伴們,實驗(yan)中(zhong)所用到(dao)的試(shi)劑、配制(zhi)試(shi)劑的液(ye)體,有時(shi)可(ke)能是實(shi)驗(yan)成敗的關鍵(jian),因此(ci)大(da)家(jia)在使用(yong)時(shi)壹(yi)定(ding)要(yao)留(liu)意各種(zhong)試(shi)劑的級(ji)別。原(yuan)則上(shang)講(jiang),純(chun)度(du)越(yue)高越好(hao),但(dan)是價格(ge)也(ye)就越(yue)高,所以要(yao)根據各自(zi)的需(xu)要(yao)選(xuan)擇合(he)適的品(pin)質(zhi),避(bi)免不必要(yao)的浪(lang)費(fei)!
氧(yang)化(hua)酶(mei)9028-67-5
英(ying)文(wen)名(ming)稱(cheng):COD;Oxidase choline;Choline dehydrogenase;Choline oxidase;Choline-cytochrome c reductase;Dehydrogenase, choline;Choline: oxygen 1-oxidoreductase
:9028-67-5
級(ji)別:BR
活(huo)力(li):≥8units/mg solid
活(huo)力(li)定(ding)義(yi):One unit will form 1 μmole of H2O2 with oxidation of 1 μmole of choline to betaine aldehyde per min at pH 8.0 at 37 °C. Note: During the conversion of choline to betaine by choline oxidase, 2 μmoles of H2O2 are produced for every μmole of choline
性狀(以下信息(xi)僅供(gong)參考(kao)):粉末(mo)
用途(tu):本(ben)品(pin)僅供(gong)科(ke)研,不得用於其它用途(tu)。
保存(cun):-20℃
產(chan)品(pin)規(gui)格(ge)
氧(yang)化(hua)酶(mei)9028-67-5GR:優級(ji)純。主成份含(han)量(liang)很高、純(chun)度(du)很(hen)高,適用(yong)於(yu)精(jing)確分(fen)析(xi)和研究工(gong)作,有的可(ke)作為基(ji)準物(wu)質(zhi).
AR:分(fen)析(xi)純。主成份含(han)量(liang)很高、純(chun)度(du)較(jiao)高(gao),幹(gan)擾(rao)雜質(zhi)很(hen)低,適用(yong)於(yu)工(gong)業(ye)分(fen)析(xi)及(ji)化學實(shi)驗(yan)。
CP:化(hua)學純(chun)。主成份含(han)量(liang)高、純度(du)較(jiao)高(gao),存(cun)在(zai)幹擾(rao)雜質(zhi),適用(yong)於(yu)化(hua)學實(shi)驗(yan)和(he)合成制備。
LR:實驗(yan)純(chun)。主成份含(han)量(liang)高、純度(du)較(jiao)差,雜質(zhi)含(han)量(liang)不做(zuo)選(xuan)擇,只(zhi)適用(yong)於(yu)壹(yi)般化學實(shi)驗(yan)和(he)合成制備。
BR:生(sheng)化(hua)試(shi)劑。用於(yu)配(pei)制生(sheng)物(wu)化學檢驗(yan)試(shi)液(ye),和生(sheng)化(hua)合(he)成。質(zhi)量(liang)指(zhi)標註(zhu)重(zhong)生(sheng)物(wu)活性雜質(zhi)。可(ke)替代指示劑和有(you)機合(he)成。
BS:生(sheng)物(wu)染色劑。適用(yong)於(yu)配(pei)制生(sheng)物(wu)標本(ben)染(ran)色液(ye)。質(zhi)量(liang)指(zhi)標註(zhu)重(zhong)生(sheng)物(wu)活性雜質(zhi)。可(ke)替代指示劑和有(you)機合(he)成。
氧(yang)化(hua)酶(mei)9028-67-5Ind:顯色劑。
HPLC:適用(yong)於(yu)高(gao)壓(ya)液相(xiang)色譜(pu)的試(shi)劑。
以下是(shi)公司正的點(dian)擊了解更多(duo)詳(xiang)情
試(shi)劑開瓶(ping)的問題
隨著(zhe)全(quan)自(zi)動(dong)生(sheng)化(hua)分(fen)析(xi)儀的普(pu)及(ji),“開瓶(ping)穩(wen)定(ding)性”也(ye)隨之受(shou)到了(le)大家(jia)的重(zhong)視(shi),但是(shi)就目(mu)前有的試(shi)劑方(fang)法(fa)學來(lai)講(jiang),還(hai)達不到人們所要(yao)求(qiu)的試(shi)劑開瓶(ping)後在儀器(qi)內(nei)放(fang)很(hen)長時(shi)間不需(xu)要(yao)定(ding)標,比(bi)如(ru)ALP、TP、GSP等PH為堿性的試(shi)劑,開瓶(ping)後試(shi)劑會吸收(shou)空氣(qi)中(zhong)的二氧(yang)化(hua)碳(tan),使試(shi)劑本身(shen)的PH值(zhi)下降(jiang),如果(guo)長時(shi)間開瓶(ping)不定標或(huo)校(xiao)準(zhun),會(hui)使檢測(ce)結果(guo)發生(sheng)偏(pian)離(li),在(zai)國外有的項(xiang)目(mu)有(you)明文規(gui)定(ding),必(bi)須72小(xiao)時(shi)之標,比(bi)如(ru)BUN。但(dan)是在(zai)國內(nei)的某(mou)些實(shi)驗(yan)室為(wei)了(le)方(fang)便(bian),很長時(shi)間都不作校(xiao)準(zhun),導(dao)致(zhi)測定結(jie)果(guo)的不準確。解決辦法(fa):了解試(shi)劑的特(te)性,及(ji)時對部份項(xiang)目(mu)進(jin)行校(xiao)準(zhun),對(dui)於(yu)每(mei)天(tian)標本(ben)量(liang)不多(duo)的醫(yi)院(yuan),可(ke)按1~2天(tian)的用(yong)量(liang)取用(yong)試(shi)劑放(fang)入(ru)儀器(qi)。
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