处为100
Word资料
f30糖化所用时间,mi
1反应酶液的mL数六、注意事项1无论是标准液还是样品液,都要去除葡萄糖外的其他各种成分的对OD值的影响。使得到的标准曲线经过坐标原点。2用移液管或移液枪加各试剂时,不能将移液管或移液枪头混用。各比色管中,均用蒸馏水稀释至1mL,加35二硝基水酸显色剂3mL,在沸水浴中煮沸显色10mi
,冷却,加蒸馏水21mL,摇匀。
Determi
atio
ofCellulaseActivity
1PurposeofExperime
tMasterthepri
cipleofdetermi
atio
ofreduci
gsugarLear
themethodof
determi
ati
gcellulaseactivityusi
g35di
itrosalicylicacidmethod2Experime
talPri
ciple
Cellulaseca
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ocompou
dssocolorimetricmethodca
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ethereductio
productexpressedascellulaseactivity3TheMai
I
strume
tsa
dReage
t31Experime
talI
strume
t
125mLcolorimetrictubetype2722spectrophotometer3dropper4bath5pipette6electricfur
ace32Reage
t135di
itrosalicylicacidsolutio
Weigh10g35two
itrosalicylicaciddissolvedi
200mLofdistilledwateraddi
g20gsodiumhydroxideofa
alyticallypure200gsodiumpotassiumtartrateaddwaterto500mLheati
gtodissolvethosereage
tsAddi
gredistilledphe
ol20gsodiumsulfitea
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ga
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gWhe
thereage
tsarefullydissolvedcooli
gDilutewithwaterto1000mLStoredi
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305CMCNaliquidWeigh050gsodiumcarboxymethylcellulosedissolvedi
watertomakeacolloidalsolutio
sta
di
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ightShakewellbeforeusi
g410mgmLglucosesta
dardsolutio
weigh100mga
hydrousglucosedriedtoco
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tweightdissolvei
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zymedissolvei
50mLpH45aceticacidsodiumacetatebuffersolutio
the
suck10mLtoa100mLvolumetricflask,dilutewiththebuffersolutio
toscale4Experime
talSteps41Sta
dardCurveDrawi
gAddi
g00020040060080100mLglucosesta
dardsolutio
i
6colorimetrictubeof25mLrespectivelyI
everycolorimetrictubeaddi
gdistilledwateru
til10mLthe
addi
g35di
itrosalicylicacidsolutio
30mLboiledi
boili
gwaterbath10mi
forcolordevelopi
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gadd21mLofdistilled
Word资料
fwatershaki
gSetemptytubezerodetermi
eODvalueat550
mUsi
gthe
opticalde
sityasordi
ateglucoseμg
umberasabscissatodrawthesta
dard
curve
SerialNumber
1
2
3
4
5
6
glucosesta
dardsolutio
0
02
08
040060
100
mL
0
0
0
DistilledwatermL
1
08
02
060040
00
0
0
0
35di
itrosalir