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Optimization of reaction conditions and methodological investigation on microtox-based fast testing system for traditional Chinese medicine injection

基于Microtox技术的中药注射剂微毒快速测试体系反应条件的优化与方法学的考察



全 文 :2016
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,ëìí ; îïºò ; *!ï! ; 7iiÎ CS234 Optimizationofreactionconditionsandmethodologicalinvestigationon microtoxbasedfasttestingsystemfortraditionalChinesemedicineinjection XIONGJingyue1,2,LIXiaorong2,YANLiangchun2,ZHAOJunning2 (1.ChengduUniversityofTraditionalChineseMedicine,Chengdu610072,China; 2.SichuanAcademyofChineseMedicineSciences,BiologicalEvaluationofTraditionalChineseMedicineQualityofthe StateAdministrationofTraditionalChineseMedicine,Chengdu610041,China) [Abstract] VibriofischeriCS234wasusedtoestablishandoptimizemicrotoxassaysystem,layingafoundationfortheapplicationof thismethodincomprehensiveacutetoxicitytestoftraditionalChinesemedicine(TCM)injectionsFirstly,thePlacketBurmanmeth odwascariedouttooptimizethefactorswhichwouldafectVibriofischeriCS234luminescenceSecondly,ZnSO4·7H2Owaschosen asreferencesubstancetoestablishitsreactionsystemwithqualitycontrolsamplesTheoptimalluminescenceconditionswereachieved asfolows:①Atatemperatureof(15±1)℃,VibriofischeriCS234lyophilizedpowderswerebalancedfor15min,then,1mLresus ·2261· j=qÉ : •ê Microtox ()œ,ëìíîïðñºòóôõö÷øœù_Öúûœüý
citationfluidwasaddedandblendedfor10min100μLbacteriasuspensionwastakentomeasuretheinitialluminescenceintensity,
andthen1mLresuscitationfluidortestsamplewasimmediatelyadded;afterreactionfor10min,corespondingluminescenceintensity
wasmeasuredagainResuscitationdiluent,osmoticpressureregulatorandZnSO4·7H2Ostocksolutionshowednointerferencetothe
determinationofVibriofischeriCS234luminescenceintensity,sothismethodwasofgoodspecificityThewithinandbetweenbatch
precisionsofqualitycontrolsandthelowerlimitofquantification(LLOQ)sampleswere<5% and<10% respectively,whiletheac
curacyrangedbetween858% and1032%ThestandardcurveequationofZnSO4·7H2Orangedfrom386mg·L
-1to7722mg
·L-1(finalconcentrations)wasy=2178lnx-1514,R2=0998;meanwhile,IC50ofZnSO4·7H2OtoVibriofischeriCS234was
1990mg·L-1ZnSO4·7H2Ostocksolutionanditsqualitycontrolswerecontinuouslyinvestigatedfor120hand8hrespectively,
andtheirRSDwaslowerthan2%,indicatingstabilityatroomtemperatureand4℃ storageconditionsBetweenpH4580,lumi
nescenceintensityofVibriofischeriCS234wascontroledwithin±10%,andsuchpHvaluerangecouldmeetthetestingneedsofthe
vastmajorityoftraditionalChinesemedicineinjectionsTheVibriofischeristrainCS234assaysystemwasspecific,stable,sensitive,
accurateandadaptableafteroptimization,soitwassuitableforthecomprehensiveacutetoxicityassessmentofTCMinjections
[Keywords] traditionalChinesemedicineinjection;microtoxassay;acutetoxicity;VibriofischeriCS234
doi:10.4268/cjcmm20160909
  
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Table2 PlacketBurmanexperimentaldesignsandresults(n=2)
No A B C D E F G H J K L D1 D2 D3
1 -1 -1 1 -1 1 1 -1 1 1 1 -1 -048 575 -880
2 -1 1 1 -1 1 1 1 -1 -1 -1 1 113 530 289
3 1 -1 -1 -1 1 -1 1 1 -1 1 1 -067 034 -131
4 -1 1 1 1 -1 -1 -1 1 -1 1 1 122 118 -093
5 1 1 -1 -1 -1 1 -1 1 1 -1 1 -842 220 -338
6 -1 -1 -1 1 -1 1 1 -1 1 1 1 -544 066 -391
7 1 1 -1 1 1 1 -1 -1 -1 1 -1 -030 207 531
8 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 050 067 -527
9 -1 1 -1 1 1 -1 1 1 1 -1 -1 315 343 236
10 1 -1 1 1 1 -1 -1 -1 1 -1 1 101 494 -391
11 1 1 1 -1 -1 -1 1 -1 1 1 -1 -297 486 157
12 1 -1 1 1 -1 1 1 1 -1 -1 -1 -025 411 -448
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3 
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respondingresults(n=2)
No
m_a^
f+)½> Y̒»Á>
ZnSO4·7H2O…X> 7iiÎ
1 001 001 001 1152
2 001 002 001 1177
3 001 001 001 1155
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7iiÎä>ê γNôÎé Gammaproteobac
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û[±©Õ¤H[œr‚ð! Î , ©}ÞÃS—mìÖÃÕÓ 420~670nm、 µŽ m 490nm œsÛ?„ÞðíÅ_ , ÊËö¯ê°% Microtox Model500# DeltaTox Analyzer,Â% ToxAlert#LUMIStoxê‚BioToxTMÉ©¨ï !ºòô© [4]。 ‚m_Pא“„q 1。 Ÿ 4 ZnSO4·7H2O…†‡ˆ…aÕ]^、ì\^`†SC-Ò^üý(n=2) Table4 Experimentaldesignsofstandardcurve,precision,accuracyvalidationandcorespondingresultsinZnSO4·7H2OQCsam ples(n=2) ZnSO4·7H2O ʙ^ /mg·L-1 H10 /% ©8Õ]^ /% 1 2 3 ©nÕ]^ /% ì\^ /% 1 2 3 `†SC…a 386 140 423 338 217 273 9272 9926 10060 …†‡ˆ…a 1 1159 354 107 151 278 547 10315 8782 8581 …†‡ˆ…a 2 3864 615 192 038 178 167 9934 9800 9197 …†‡ˆ…a 3 6955 730 137 080 001 416 9332 8828 9604 Ÿ 5 ZnSO4·7H2O…X>…†‡ˆ…aÓ`!üýá (n=3) Table5 ExperimentaldesignsofstabilityvalidationandcorespondingresultsinZnSO4·7H2OstocksolutionandQCsamples(n=3) Ò^ …†™^ /mg·L-1 ”_^ 0h 1h 2h 4h 6h 8h 24h 48h 72h 120h RSD /% ZnSO4·7H2O…X> 0.538 0.037 0.036 0.036 0.037 0.037 0.036 0.038 0.036 0.037 0.037 19 ZnSO4·7H2O…†‡ˆ…a 0.137 0.024 0.023 0.023 0.023 0.023 0.024 - - - - 15 0.457 0.080 0.081 0.081 0.080 0.081 0.081 - - - - 057 0.822 0.143 0.145 0.146 0.145 0.144 0.146 - - - - 071 Ÿ 6 pH Ï7iiÎ CS234 m_œØÙ (n=2) Table6 ExperimentaldesignsofpHefectsonVibriofischeriCS234andcorespondingresults(n=2) äå pH40 pH45 pH50 pH60 pH70 pH80 pH90 1 2 1 2 1 2 1 2 1 2 1 2 1 2 H10 131 134 -07 70 -69 06 -84 28 -88 71 -88 -07 -103 117 D 68 09 08 -05 -23 05 -13 -01 -14 -03 12 -09 05 -73 ·5261· 2016 y 5 z À 41 ÁÀ 9 } Vol41,No.9 May,2016 q 1  7iiΜm_Pא“ Fig1 LuminescentmetabolismprocessofVibriofischeri å僯œm_Î*!ï!ºòúûÑ_Bï ¯7iiÎ NRRLB11177 ’œ%pëì_Ò¸ ISO113483:2007《WaterqualityDeterminationof theinhibitoryefectofwatersamplesonthelightemis sionofVibriofischeri(Luminescentbacteriatest)Part 3:Methodusingfreezedriedbacteria》 #ﯡôm _ñÎ T3:±œ%%ë GB/T154411995《J…
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