西(xi)美(mei)杰成功舉辦生物(wu)制品(pin)質量控制主題(ti)線下研討會
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西美杰邀您參加生(sheng)物制品(pin)質量(liang)控制之工藝雜質與純度(du)檢測(ce)研(yan)討會(hui)
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星品推薦 | Agrisera光合作用抗體(Global antibodies)
植物(wu)光(guang)(guang)(guang)(guang)合(he)(he)(he)(he)(he)作包(bao)括光(guang)(guang)(guang)(guang)能(neng)的(de)(de)(de)(de)(de)(de)吸收、能(neng)量(liang)(liang)轉(zhuan)換、電子(zi)傳(chuan)遞、ATP的(de)(de)(de)(de)(de)(de)合(he)(he)(he)(he)(he)成(cheng)(cheng)以(yi)及CO2的(de)(de)(de)(de)(de)(de)固(gu)定(ding)等(deng)步(bu)驟(zou),這一(yi)過(guo)(guo)程(cheng)主要(yao)在植物(wu)的(de)(de)(de)(de)(de)(de)葉(xie)綠(lv)體(ti)(ti)(ti)(ti)的(de)(de)(de)(de)(de)(de)類囊(nang)體(ti)(ti)(ti)(ti)膜上(shang)完成(cheng)(cheng)的(de)(de)(de)(de)(de)(de)。類囊(nang)體(ti)(ti)(ti)(ti)膜上(shang)存在四種關(guan)鍵(jian)的(de)(de)(de)(de)(de)(de)蛋白(bai)復合(he)(he)(he)(he)(he)體(ti)(ti)(ti)(ti):光(guang)(guang)(guang)(guang)系統II(PS II)、Cytb6/f復合(he)(he)(he)(he)(he)體(ti)(ti)(ti)(ti)、光(guang)(guang)(guang)(guang)系統I(PS I)和(he)(he)(he)ATP合(he)(he)(he)(he)(he)成(cheng)(cheng)酶(mei)(mei),這四種復合(he)(he)(he)(he)(he)體(ti)(ti)(ti)(ti)協(xie)同(tong)作用,共(gong)同(tong)完成(cheng)(cheng)光(guang)(guang)(guang)(guang)反應(ying)(ying)。光(guang)(guang)(guang)(guang)系統II上(shang)具有捕光(guang)(guang)(guang)(guang)色素(su)復合(he)(he)(he)(he)(he)體(ti)(ti)(ti)(ti)(LHC)構成(cheng)(cheng)的(de)(de)(de)(de)(de)(de)天(tian)線(xian)系統,可以(yi)捕獲(huo)光(guang)(guang)(guang)(guang)能(neng),而光(guang)(guang)(guang)(guang)系統I則利(li)捕獲(huo)后的(de)(de)(de)(de)(de)(de)能(neng)量(liang)(liang)進行原初光(guang)(guang)(guang)(guang)化學反應(ying)(ying)。Cytb6/f復合(he)(he)(he)(he)(he)體(ti)(ti)(ti)(ti)在電子(zi)傳(chuan)遞過(guo)(guo)程(cheng)中(zhong)(zhong)起著至關(guan)重要(yao)的(de)(de)(de)(de)(de)(de)作用,ATP合(he)(he)(he)(he)(he)成(cheng)(cheng)酶(mei)(mei)則負責(ze)合(he)(he)(he)(he)(he)成(cheng)(cheng)ATP,為(wei)植物(wu)細胞提供能(neng)量(liang)(liang)。 產品(pin)名稱 貨號 實(shi)驗(yan)類型 ATP synthase AtpA | Alpha subunit of ATP synthase, chloroplastic AS08 304 IP,WB AtpB | Beta subunit of ATP synthase, chloroplastic + mitoch (rabbit) AS05 085 BN-PAGE,IF,WB AtpC | Gamma subunit of ATP synthase, chloroplastic AS08 312 WB Electron transfer Cyt b6/PetB | Thylakoid membrane cytochrome b6 protein, N terminal AS18 4169 BN-PAGE,WB Fd | Ferredoxin 1 (chloroplastic) AS11 1757 WB PetC | Rieske iron-sulfur protein of Cyt b6/f complex AS08 330 WB LHC Lhca1 | PSI type I chlorophyll a/b-binding protein AS01 005 WB Lhcb2 | LHCII type II chlorophyll a/b-binding protein AS01 003 IP,WB Lhcb3 | LHCII type III chlorophyll a/b-binding protein AS01 002 WB PSI (Photosystem I) PsaA | PSI-A core protein of photosystem I AS06 172 IG,WB PsaB | PSI-B core subunit of photosystem I AS10 695 WB PsaC | PSI-C core subunit of photosystem I AS10 939 WB PSII (Photosystem II) PsbA | D1 protein of PSII, C-terminal AS05 084 WB PsbB | CP47 protein of PSII AS04 038 WB PsbC | CP43 protein of PSII AS11 1787 WB 點擊(ji)查(cha)看更(geng)多抗(kang)體(ti)(ti)(ti)(ti) 應(ying)(ying)用案例 AS09 522應(ying)(ying)用示(shi)例 AS06 172應(ying)(ying)用示(shi)例 Agrisera抗(kang)體(ti)(ti)(ti)(ti)發表文(wen)獻 Sulli et al. (2023). Generation and physiological characterization of genome?edited Nicotiana benthamiana plants containing zeaxanthin as the only leaf xanthophyll. Planta . 2023 Oct 5;258(5):93. doi: 10.1007/s00425-023-04248-3. Ye et al. (2023). The light-harvesting chlorophyll a/b-binding proteins of photosystem II family members are responsible for temperature sensitivity and leaf color phenotype in albino tea plant. J Adv Res . 2023 Dec 25:S2090-1232(23)00404-6.doi: 10.1016/j.jare.2023.12.017. Penzler et al. (2024). A pgr5 suppressor screen uncovers two distinct suppression mechanisms and links cytochrome b6f complex stability to PGR5. Plant Cell. 2024 Mar 27:koae098. doi: 10.1093/plcell/koae098. Mu et al. (2024). Plastid HSP90C C-terminal extension region plays a regulatory role in chaperone activity and client binding.Plant J. 2024 Jul 5.doi: 10.1111/tpj.16917.Rubisco CO2的(de)(de)(de)(de)(de)(de)固(gu)定(ding)是(shi)利(li)用光(guang)(guang)(guang)(guang)反應(ying)(ying)產生的(de)(de)(de)(de)(de)(de)ATP和(he)(he)(he)NADPH合(he)(he)(he)(he)(he)成(cheng)(cheng)有機物(wu)的(de)(de)(de)(de)(de)(de)過(guo)(guo)程(cheng),該過(guo)(guo)程(cheng)稱為(wei)卡(ka)爾文(wen)循環(huan)。1,5二磷酸(suan)核酮糖羧(suo)化/加氧酶(mei)(mei)(Rubisco)是(shi)CO2固(gu)定(ding)過(guo)(guo)程(cheng)中(zhong)(zhong)的(de)(de)(de)(de)(de)(de)關(guan)鍵(jian)限速酶(mei)(mei),催化CO2和(he)(he)(he)RuBP(核酮糖-1,5-二磷酸(suan))發生羧(suo)化、然(ran)(ran)后裂解形(xing)成(cheng)(cheng)兩個PGA(甘(gan)油酸(suan)-3-磷酸(suan))分子(zi)。所有光(guang)(guang)(guang)(guang)合(he)(he)(he)(he)(he)生物(wu)都(dou)具有由(you)8個大亞(ya)基(ji)RbcL和(he)(he)(he)8個小亞(ya)基(ji)Rbcs組(zu)成(cheng)(cheng)的(de)(de)(de)(de)(de)(de)I型Rubisco,且RbcL折(zhe)疊(die)到其(qi)天(tian)然(ran)(ran)狀(zhuang)態依賴于(yu)葉(xie)綠(lv)體(ti)(ti)(ti)(ti)定(ding)位的(de)(de)(de)(de)(de)(de)分子(zi)伴侶(lv)CPN60的(de)(de)(de)(de)(de)(de)作用。 產品(pin)名稱 貨號 實(shi)驗(yan)類型 CAH3 | Carbonic anhydrase AS05 073 IF, IG, WB CPN60A1 | Chaperonin 60 subunit alpha 1, chloroplastic AS12 2613 WB CsoS1A/B/C | Major carboxysome shell protein 1A, AB, 1C AS14 2760 WB EPSP synthase | 3-phosphoshikimate 1-carboxyvinyltransferase AS14 2782 WB EPYC1 | Essential Pyrenoid Component 1 AS19 4312 WB Lci5 | Low carbon dioxide induced protein number 5 AS05 090 IHC, WB NADP-ME | NADP-malic enzyme, chloroplastic (dicots/monocots) AS21 4580 WB PEPC | Phosphoenolpyruvate carboxylase AS09 458 IL, WB PEPCK | PEP carboxykinase AS07 241 WB PRK ribulose-5-P-kinase | Phosphoribulokinase AS07 257 WB RA | Rubisco activase AS10 700 WB RAF2 | Rubisco accumulation factor 2 AS13 2729 WB RbcL | Rubisco large subunit, form I (rabbit) AS03 037 IF, IG, TP, WB RbcL II | Rubisco large subunit, form II AS15 2955 IF, WB RbcS | Rubisco small subunit (SSU) AS07 259 WB RbcS | Rubisco small subunit (Algal) AS22 4825 WB Rubisco | 557 kDa hexadecamer AS07 218 IL, WB Rubisco ELISA quantitation kit AS15 2994 WB SBPase | Sedoheptulose-1,7-bis phosphatase AS15 2873 WB TKL1 | Transketolase (chloroplastic) AS15 2903 IP, WB Trxf1/2 | Thioredoxin F1/F2 (chloroplastic) AS14 2808 WB TrxM1/M2 | Thioredoxin M1/M2 (chloroplastic) AS14 2809 WB 點擊(ji)查(cha)看更(geng)多抗(kang)體(ti)(ti)(ti)(ti) 應(ying)(ying)用案例 AS21 4580應(ying)(ying)用示(shi)例 AS03 037應(ying)(ying)用示(shi)例 Agrisera抗(kang)體(ti)(ti)(ti)(ti)發表文(wen)獻 Phukan et al. (2024). Externally supplied ascorbic acid moderates detrimental effects of UV-C exposure in cyanobacteria. Photochem Photobiol Sci. 2024 Jul 12. doi: 10.1007/s43630-024-00612-8. Zhao et al. (2024). Psb28 protein is indispensable for stable accumulation of PSII core complexes in Arabidopsis.Plant J. 2024 May 26. doi: 10.1111/tpj.16844. Ciesielska et al. (2024). S2P2-the chloroplast-located intramembrane protease and its impact on the stoichiometry and functioning of the photosynthetic apparatus of A. thaliana. Front Plant Sci. 2024 Mar 15:15:1372318. doi: 10.3389/fpls.2024.1372318. 西(xi)(xi)美杰(jie)(jie)代理的(de)(de)(de)(de)(de)(de)瑞典(dian)Agrisera公司自1980年成(cheng)(cheng)立以(yi)來,一(yi)直專(zhuan)注(zhu)于(yu)開發高質(zhi)量(liang)(liang)的(de)(de)(de)(de)(de)(de)植物(wu)單克隆和(he)(he)(he)多克隆抗(kang)體(ti)(ti)(ti)(ti),并以(yi)其(qi)卓越的(de)(de)(de)(de)(de)(de)研(yan)發實(shi)力和(he)(he)(he)生產技(ji)術(shu),在全球植物(wu)抗(kang)體(ti)(ti)(ti)(ti)領(ling)域占據著領(ling)導地位。其(qi)產品(pin)線(xian)覆蓋了(le)(le)廣(guang)泛的(de)(de)(de)(de)(de)(de)物(wu)種范圍(wei),在Agrisera的(de)(de)(de)(de)(de)(de)產品(pin)目錄中(zhong)(zhong)包(bao)含了(le)(le)眾多模式植物(wu)和(he)(he)(he)重要(yao)農作物(wu),如擬南(nan)芥、水稻(dao)、小麥、玉米(mi)和(he)(he)(he)番茄等(deng)超(chao)過(guo)(guo)三(san)十種植物(wu),滿(man)足各類植物(wu)學研(yan)究(jiu)需求的(de)(de)(de)(de)(de)(de)廣(guang)泛抗(kang)體(ti)(ti)(ti)(ti)庫。有眾多已發表文(wen)獻支持,確保研(yan)究(jiu)結果(guo)的(de)(de)(de)(de)(de)(de)準確性和(he)(he)(he)可靠性。北京(jing)西(xi)(xi)美杰(jie)(jie)科(ke)技(ji)有限公司是(shi)Agrisera品(pin)牌中(zhong)(zhong)國區(qu)代理,致(zhi)力于(yu)為(wei)國內廣(guang)大科(ke)研(yan)工(gong)作者提供優質(zhi)的(de)(de)(de)(de)(de)(de)免疫學產品(pin)和(he)(he)(he)服務。如果(guo)您對上(shang)述產品(pin)感興(xing)趣,歡迎致(zhi)電西(xi)(xi)美杰(jie)(jie)全國客服熱(re)線(xian)400-050-4006或登錄官(guan)方(fang)網(wang)站(zhan)ljxbs.cn了(le)(le)解更(geng)多信息。 更多>Pfanstiehl 六水合琥珀酸鈉(供注射用/D-161)CDE登記號已激活!
“ 熱烈祝賀Pfanstiehl品(pin)(pin)牌六(liu)水(shui)合(he)(he)(he)琥(hu)(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)鈉(na)(na)(na)(供(gong)注(zhu)(zhu)射(she)(she)用/D-161)CDE注(zhu)(zhu)冊登記號F20190000681已激活!” Pfanstiehl的六(liu)水(shui)合(he)(he)(he)琥(hu)(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)鈉(na)(na)(na)(供(gong)注(zhu)(zhu)射(she)(she)用/D-161)CDE登記號激活了,成為(wei)目前CDE第一(yi)款也(ye)是唯一(yi)激活的琥(hu)(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)鈉(na)(na)(na)。結合(he)(he)(he)Pfanstiehl于(yu)今年(nian)8月隆重推出的注(zhu)(zhu)射(she)(she)級琥(hu)(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)S-142,Pfanstiehl 為(wei)生(sheng)(sheng)物制藥行(xing)業同時提(ti)供(gong)超(chao)(chao)(chao)(chao)低(di)(di)內毒素,超(chao)(chao)(chao)(chao)低(di)(di)微(wei)生(sheng)(sheng)物,超(chao)(chao)(chao)(chao)低(di)(di)金(jin)屬(shu)(shu)含(han)(han)量(liang)(liang)的注(zhu)(zhu)射(she)(she)用琥(hu)(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan) & 琥(hu)(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)鈉(na)(na)(na)緩(huan)沖體(ti)系(xi)(xi)。 Pfanstiehl品(pin)(pin)牌注(zhu)(zhu)射(she)(she)級琥(hu)(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)S-142和六(liu)水(shui)合(he)(he)(he)琥(hu)(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)鈉(na)(na)(na)D-161,秉承一(yi)貫高品(pin)(pin)質(zhi)理念,按照ICHQ7質(zhi)量(liang)(liang)體(ti)系(xi)(xi)生(sheng)(sheng)產(chan)(chan)(chan),具(ju)有超(chao)(chao)(chao)(chao)高純度,超(chao)(chao)(chao)(chao)低(di)(di)內毒素,超(chao)(chao)(chao)(chao)低(di)(di)微(wei)生(sheng)(sheng)物含(han)(han)量(liang)(liang),超(chao)(chao)(chao)(chao)低(di)(di)金(jin)屬(shu)(shu)殘留的特(te)點,單獨檢(jian)測29種金(jin)屬(shu)(shu)離子(zi),符(fu)(fu)合(he)(he)(he)多國藥典規定(ding),可用作藥用輔料(liao)或(huo)(huo)注(zhu)(zhu)射(she)(she)用藥的緩(huan)沖體(ti)系(xi)(xi)。 產(chan)(chan)(chan)品(pin)(pin)信息: · 產(chan)(chan)(chan)品(pin)(pin)名(ming)稱(cheng): Sodium Succinate, Hexahydrate, High Purity, Low Endotoxin, Low Metals, NF, JPE (D-161)· 中文(wen)名(ming)稱(cheng):六(liu)水(shui)合(he)(he)(he)琥(hu)(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)· 分子(zi)式:C4H16Na2O10· 分子(zi)量(liang)(liang):270.14 g / mol· CAS號:6106-21-4· 產(chan)(chan)(chan)品(pin)(pin)貨號:D-161產(chan)(chan)(chan)品(pin)(pin)特(te)點:· 超(chao)(chao)(chao)(chao)高純度,超(chao)(chao)(chao)(chao)低(di)(di)內毒素,超(chao)(chao)(chao)(chao)低(di)(di)微(wei)生(sheng)(sheng)物含(han)(han)量(liang)(liang),超(chao)(chao)(chao)(chao)低(di)(di)金(jin)屬(shu)(shu)雜質(zhi)殘留· 符(fu)(fu)合(he)(he)(he)多國藥典:NF, JPE· 符(fu)(fu)合(he)(he)(he)ICH Q3D標準· 符(fu)(fu)合(he)(he)(he)GMP標準產(chan)(chan)(chan)品(pin)(pin)應用:· 輔料(liao)或(huo)(huo)者緩(huan)沖液請點擊以下(xia)鏈接了解更(geng)多關于(yu)Pfanstiehl注(zhu)(zhu)射(she)(she)級琥(hu)(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)S-142的產(chan)(chan)(chan)品(pin)(pin)信息: 新品(pin)(pin) |Pfanstiehl 重磅推出注(zhu)(zhu)射(she)(she)級琥(hu)(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)Succinic Acid (S-142)如(ru)果您對(dui)Pfanstiehl的注(zhu)(zhu)射(she)(she)級琥(hu)(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)S-142 & 六(liu)水(shui)合(he)(he)(he)琥(hu)(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)鈉(na)(na)(na)D-161感興(xing)趣,可聯(lian)系(xi)(xi)Pfanstiehl中國區代(dai)理北(bei)京西(xi)美(mei)杰科技有限公司獲得詳細(xi)的產(chan)(chan)(chan)品(pin)(pin)概況說明(ming)文(wen)件如(ru)下(xia)。也(ye)歡(huan)(huan)迎聯(lian)系(xi)(xi)獲取(qu)測試(shi)樣品(pin)(pin)。 Pfanstiehl Inc.其(qi)他產(chan)(chan)(chan)品(pin)(pin)系(xi)(xi)列如(ru)下(xia),如(ru)需測試(shi)請點擊這里(li)獲取(qu)100g免費試(shi)用裝(zhuang)。 北(bei)京西(xi)美(mei)杰科技有限公司為(wei)Pfanstiehl中國代(dai)理,為(wei)客戶提(ti)供(gong)完善的技術支持(chi)與售后服務(wu)。歡(huan)(huan)迎撥打西(xi)美(mei)杰客服電話400-050-4006或(huo)(huo)者登陸網站ljxbs.cn了解更(geng)多信息。 更多>Cygnus新品上市 | AccuRes? 宿主細胞DNA定量試劑盒
在(zai)(zai)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)制(zhi)品(pin)(pin)(pin)(pin)的(de)(de)(de)(de)(de)(de)(de)(de)生(sheng)(sheng)(sheng)產(chan)(chan)過(guo)(guo)(guo)(guo)程(cheng)中(zhong)(zhong)(zhong),宿(su)主(zhu)細胞DNA可(ke)(ke)(ke)能(neng)會(hui)殘留(liu)(liu)其中(zhong)(zhong)(zhong),這(zhe)將(jiang)會(hui)導致(zhi)(zhi)致(zhi)(zhi)癌基因(yin)或(huo)其他風(feng)險(xian)的(de)(de)(de)(de)(de)(de)(de)(de)遺傳物(wu)(wu)(wu)(wu)(wu)(wu)質(zhi)進(jin)入(ru)到最終的(de)(de)(de)(de)(de)(de)(de)(de)藥(yao)(yao)(yao)物(wu)(wu)(wu)(wu)(wu)(wu)制(zhi)劑(ji)(ji)(ji)(ji)(ji)(ji)中(zhong)(zhong)(zhong)。為(wei)了(le)(le)(le)(le)降(jiang)低(di)這(zhe)種(zhong)風(feng)險(xian),監管(guan)機(ji)構規定(ding)(ding)(ding)了(le)(le)(le)(le)允許殘留(liu)(liu)的(de)(de)(de)(de)(de)(de)(de)(de)HCD限度(du)(du)(du),根據所(suo)使(shi)用(yong)(yong)的(de)(de)(de)(de)(de)(de)(de)(de)細胞系(xi)(xi)及(ji)給藥(yao)(yao)(yao)方(fang)案的(de)(de)(de)(de)(de)(de)(de)(de)不同(tong),允許的(de)(de)(de)(de)(de)(de)(de)(de)HCD殘留(liu)(liu)范(fan)圍在(zai)(zai)10~100pg/劑(ji)(ji)(ji)(ji)(ji)(ji)量(liang)(liang)(liang)(liang)(liang)之(zhi)間(jian)。關于(yu)HCD殘留(liu)(liu)的(de)(de)(de)(de)(de)(de)(de)(de)檢(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce),《中(zhong)(zhong)(zhong)國(guo)(guo)藥(yao)(yao)(yao)典2020》中(zhong)(zhong)(zhong)列(lie)出(chu)了(le)(le)(le)(le)三種(zhong)方(fang)法(fa)(fa)(fa)(fa),分(fen)(fen)(fen)別是(shi)DNA探(tan)針(zhen)(zhen)(zhen)(zhen)雜(za)交(jiao)法(fa)(fa)(fa)(fa)、熒(ying)光染色法(fa)(fa)(fa)(fa),以(yi)及(ji)定(ding)(ding)(ding)量(liang)(liang)(liang)(liang)(liang)PCR法(fa)(fa)(fa)(fa)。而(er)USP General Chapter <509>“Residual DNA Testing”章節中(zhong)(zhong)(zhong)建(jian)(jian)議使(shi)用(yong)(yong)基于(yu)探(tan)針(zhen)(zhen)(zhen)(zhen)的(de)(de)(de)(de)(de)(de)(de)(de)DNA定(ding)(ding)(ding)量(liang)(liang)(liang)(liang)(liang)作(zuo)為(wei)驗(yan)證方(fang)法(fa)(fa)(fa)(fa),用(yong)(yong)于(yu)檢(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)在(zai)(zai)大腸桿菌(E. coli)或(huo)中(zhong)(zhong)(zhong)國(guo)(guo)倉鼠卵巢(chao)(CHO)細胞系(xi)(xi)中(zhong)(zhong)(zhong)生(sheng)(sheng)(sheng)產(chan)(chan)的(de)(de)(de)(de)(de)(de)(de)(de)重(zhong)(zhong)組(zu)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)制(zhi)品(pin)(pin)(pin)(pin),以(yi)確保更(geng)好的(de)(de)(de)(de)(de)(de)(de)(de)靈(ling)敏(min)度(du)(du)(du)和(he)(he)(he)準(zhun)確性(xing)(xing)(xing)(xing)(xing)(xing)。在(zai)(zai)整(zheng)個生(sheng)(sheng)(sheng)產(chan)(chan)過(guo)(guo)(guo)(guo)程(cheng)中(zhong)(zhong)(zhong),質(zhi)控人員需要(yao)對(dui)DNA水平(ping)進(jin)行評估,這(zhe)些樣(yang)本(ben)可(ke)(ke)(ke)能(neng)含(han)(han)有(you)(you)其他雜(za)質(zhi)和(he)(he)(he)高(gao)(gao)濃度(du)(du)(du)的(de)(de)(de)(de)(de)(de)(de)(de)藥(yao)(yao)(yao)物(wu)(wu)(wu)(wu)(wu)(wu)活(huo)性(xing)(xing)(xing)(xing)(xing)(xing)成分(fen)(fen)(fen),因(yin)此必需一(yi)種(zhong)可(ke)(ke)(ke)靠且靈(ling)敏(min)的(de)(de)(de)(de)(de)(de)(de)(de)DNA定(ding)(ding)(ding)量(liang)(liang)(liang)(liang)(liang)方(fang)法(fa)(fa)(fa)(fa)。Cygnus Technologies新推出(chu)的(de)(de)(de)(de)(de)(de)(de)(de)AccuRes?系(xi)(xi)列(lie)DNA定(ding)(ding)(ding)量(liang)(liang)(liang)(liang)(liang)試(shi)(shi)(shi)(shi)劑(ji)(ji)(ji)(ji)(ji)(ji)盒(he),專為(wei)用(yong)(yong)CHO、人或(huo)E. coli 細胞系(xi)(xi)重(zhong)(zhong)組(zu)表(biao)(biao)達生(sheng)(sheng)(sheng)產(chan)(chan)的(de)(de)(de)(de)(de)(de)(de)(de)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)制(zhi)品(pin)(pin)(pin)(pin)中(zhong)(zhong)(zhong)HCD殘留(liu)(liu)檢(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)而(er)設(she)計。高(gao)(gao)濃度(du)(du)(du)樣(yang)品(pin)(pin)(pin)(pin)可(ke)(ke)(ke)通過(guo)(guo)(guo)(guo)最小(xiao)程(cheng)度(du)(du)(du)的(de)(de)(de)(de)(de)(de)(de)(de)稀釋后進(jin)行檢(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce),從而(er)有(you)(you)效(xiao)(xiao)降(jiang)低(di)檢(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)限(LOD)。 Cygnus AccuRes?系(xi)(xi)列(lie)HCD檢(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)劑(ji)(ji)(ji)(ji)(ji)(ji)盒(he)的(de)(de)(de)(de)(de)(de)(de)(de)優勢(shi)特點: ? 準(zhun)確性(xing)(xing)(xing)(xing)(xing)(xing)—探(tan)針(zhen)(zhen)(zhen)(zhen)法(fa)(fa)(fa)(fa)qPCR保證了(le)(le)(le)(le)針(zhen)(zhen)(zhen)(zhen)對(dui)目標(biao)細胞系(xi)(xi)(如(ru)CHO, HEK,E. coli 等)HCD檢(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)的(de)(de)(de)(de)(de)(de)(de)(de)特異(yi)性(xing)(xing)(xing)(xing)(xing)(xing),避免(mian)目標(biao)HCD的(de)(de)(de)(de)(de)(de)(de)(de)漏檢(jian)(jian)(jian)(jian); ? 更(geng)好的(de)(de)(de)(de)(de)(de)(de)(de)精確度(du)(du)(du)—CleanAmp® dNTPs與(yu)熱啟(qi)動Taq DNA聚(ju)合酶(mei)體系(xi)(xi)可(ke)(ke)(ke)有(you)(you)效(xiao)(xiao)降(jiang)低(di)PCR擴(kuo)(kuo)增(zeng)(zeng)過(guo)(guo)(guo)(guo)程(cheng)中(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)非(fei)特異(yi)性(xing)(xing)(xing)(xing)(xing)(xing)啟(qi)動; ? 靈(ling)活(huo)性(xing)(xing)(xing)(xing)(xing)(xing)—兼容所(suo)有(you)(you)能(neng)檢(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)FAM熒(ying)光信號的(de)(de)(de)(de)(de)(de)(de)(de)qPCR設(she)備,降(jiang)低(di)額(e)外購置設(she)備的(de)(de)(de)(de)(de)(de)(de)(de)成本(ben) ? All-in-one kit支持從樣(yang)品(pin)(pin)(pin)(pin)到qPCR的(de)(de)(de)(de)(de)(de)(de)(de)全(quan)過(guo)(guo)(guo)(guo)程(cheng)—試(shi)(shi)(shi)(shi)劑(ji)(ji)(ji)(ji)(ji)(ji)盒(he)中(zhong)(zhong)(zhong)包含(han)(han)了(le)(le)(le)(le)DNA提(ti)取試(shi)(shi)(shi)(shi)劑(ji)(ji)(ji)(ji)(ji)(ji)(試(shi)(shi)(shi)(shi)管(guan)法(fa)(fa)(fa)(fa)或(huo)孔板法(fa)(fa)(fa)(fa)),AccuRes? PCR體系(xi)(xi)預混液(ye),引物(wu)(wu)(wu)(wu)(wu)(wu)/探(tan)針(zhen)(zhen)(zhen)(zhen)預混液(ye)和(he)(he)(he)DNA標(biao)準(zhun)品(pin)(pin)(pin)(pin) ? 靈(ling)敏(min)度(du)(du)(du)—LOD為(wei)0.6 fg/μl。 Cygnus AccuRes?系(xi)(xi)列(lie)HCD檢(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)劑(ji)(ji)(ji)(ji)(ji)(ji)盒(he)操(cao)作(zuo)流(liu)程(cheng) DNA提(ti)取 Cygnus的(de)(de)(de)(de)(de)(de)(de)(de)DNA提(ti)取方(fang)法(fa)(fa)(fa)(fa)采用(yong)(yong)了(le)(le)(le)(le)一(yi)種(zhong)新型DNA carrier,能(neng)夠從痕(hen)量(liang)(liang)(liang)(liang)(liang)水平(ping)的(de)(de)(de)(de)(de)(de)(de)(de)殘留(liu)(liu)DNA中(zhong)(zhong)(zhong)回收HCD,并在(zai)(zai)無(wu)蛋(dan)白(bai)質(zhi)、鹽和(he)(he)(he)洗滌劑(ji)(ji)(ji)(ji)(ji)(ji)污染的(de)(de)(de)(de)(de)(de)(de)(de)環境中(zhong)(zhong)(zhong)進(jin)行DNA檢(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)和(he)(he)(he)定(ding)(ding)(ding)量(liang)(liang)(liang)(liang)(liang)。這(zhe)比(bi)(bi)(bi)其他提(ti)取方(fang)法(fa)(fa)(fa)(fa)提(ti)高(gao)(gao)了(le)(le)(le)(le)DNA檢(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)和(he)(he)(he)擴(kuo)(kuo)增(zeng)(zeng)的(de)(de)(de)(de)(de)(de)(de)(de)可(ke)(ke)(ke)重(zhong)(zhong)復性(xing)(xing)(xing)(xing)(xing)(xing)和(he)(he)(he)穩(wen)定(ding)(ding)(ding)性(xing)(xing)(xing)(xing)(xing)(xing)。 擴(kuo)(kuo)增(zeng)(zeng) Cygnus AccuRes? 系(xi)(xi)列(lie)試(shi)(shi)(shi)(shi)劑(ji)(ji)(ji)(ji)(ji)(ji)盒(he)中(zhong)(zhong)(zhong)采用(yong)(yong)高(gao)(gao)特異(yi)性(xing)(xing)(xing)(xing)(xing)(xing)引物(wu)(wu)(wu)(wu)(wu)(wu)/探(tan)針(zhen)(zhen)(zhen)(zhen)體系(xi)(xi)對(dui)目標(biao)HCD進(jin)行擴(kuo)(kuo)增(zeng)(zeng)。帶有(you)(you)FAM熒(ying)光標(biao)記(ji)的(de)(de)(de)(de)(de)(de)(de)(de)核酸(suan)探(tan)針(zhen)(zhen)(zhen)(zhen)在(zai)(zai)每一(yi)次PCR反(fan)應(ying)循環中(zhong)(zhong)(zhong)被(bei)BHQ-1? 淬滅。先(xian)進(jin)的(de)(de)(de)(de)(de)(de)(de)(de) CleanAmp® dNTPs與(yu)熱啟(qi)動Taq DNA聚(ju)合酶(mei)反(fan)應(ying)體系(xi)(xi)降(jiang)低(di)了(le)(le)(le)(le)非(fei)特異(yi)性(xing)(xing)(xing)(xing)(xing)(xing)擴(kuo)(kuo)增(zeng)(zeng),進(jin)一(yi)步確保了(le)(le)(le)(le)qPCR擴(kuo)(kuo)增(zeng)(zeng)的(de)(de)(de)(de)(de)(de)(de)(de)特異(yi)性(xing)(xing)(xing)(xing)(xing)(xing),靈(ling)敏(min)度(du)(du)(du)與(yu)穩(wen)定(ding)(ding)(ding)性(xing)(xing)(xing)(xing)(xing)(xing),同(tong)時qPCR體系(xi)(xi)的(de)(de)(de)(de)(de)(de)(de)(de)配置可(ke)(ke)(ke)以(yi)在(zai)(zai)室(shi)溫條件下(xia)操(cao)作(zuo)。 定(ding)(ding)(ding)量(liang)(liang)(liang)(liang)(liang) 試(shi)(shi)(shi)(shi)劑(ji)(ji)(ji)(ji)(ji)(ji)盒(he)標(biao)準(zhun)品(pin)(pin)(pin)(pin)的(de)(de)(de)(de)(de)(de)(de)(de)ct值(zhi)構建(jian)(jian)的(de)(de)(de)(de)(de)(de)(de)(de)標(biao)準(zhun)曲線(xian)可(ke)(ke)(ke)將(jiang)檢(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)結果(guo)(guo)計算為(wei)pg/10μl宿(su)主(zhu)細胞殘留(liu)(liu)DNA,進(jin)而(er)可(ke)(ke)(ke)將(jiang)HCD濃度(du)(du)(du)換(huan)算為(wei)ng/mL, ng/mg或(huo)是(shi)ng/劑(ji)(ji)(ji)(ji)(ji)(ji)量(liang)(liang)(liang)(liang)(liang)。基于(yu)該方(fang)法(fa)(fa)(fa)(fa),殘留(liu)(liu)DNA最低(di)可(ke)(ke)(ke)定(ding)(ding)(ding)量(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)(de)(de)(de)(de)(de)濃度(du)(du)(du)為(wei)0.6 fg/µL。 Cygnus AccuRes?系(xi)(xi)列(lie)HCD檢(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)劑(ji)(ji)(ji)(ji)(ji)(ji)盒(he)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)數據 準(zhun)確性(xing)(xing)(xing)(xing)(xing)(xing)與(yu)可(ke)(ke)(ke)重(zhong)(zhong)復性(xing)(xing)(xing)(xing)(xing)(xing)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)。由兩名操(cao)作(zuo)員(A和(he)(he)(he)B)分(fen)(fen)(fen)別在(zai)(zai)兩天內對(dui)已(yi)(yi)知DNA樣(yang)本(ben)進(jin)行兩次檢(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce),計算檢(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)結果(guo)(guo)的(de)(de)(de)(de)(de)(de)(de)(de)SD, CV和(he)(he)(he)回收率(lv)%(見下(xia)表(biao)(biao))。 完整(zheng)的(de)(de)(de)(de)(de)(de)(de)(de)和(he)(he)(he)不同(tong)程(cheng)度(du)(du)(du)降(jiang)解的(de)(de)(de)(de)(de)(de)(de)(de)CHO DNA的(de)(de)(de)(de)(de)(de)(de)(de)提(ti)取與(yu)擴(kuo)(kuo)增(zeng)(zeng)效(xiao)(xiao)果(guo)(guo)對(dui)比(bi)(bi)(bi)。將(jiang)完整(zheng)的(de)(de)(de)(de)(de)(de)(de)(de)gDNA(Control)與(yu)分(fen)(fen)(fen)別用(yong)(yong)Alu1酶(mei)處(chu)理30min、1h、1.5h和(he)(he)(he)2h后的(de)(de)(de)(de)(de)(de)(de)(de)DNA(Digested)凝(ning)膠電泳圖像。對(dui)照(zhao)組(zu)和(he)(he)(he)酶(mei)處(chu)理30min組(zu)樣(yang)品(pin)(pin)(pin)(pin)擴(kuo)(kuo)增(zeng)(zeng)的(de)(de)(de)(de)(de)(de)(de)(de)線(xian)性(xing)(xing)(xing)(xing)(xing)(xing)范(fan)圍基本(ben)一(yi)致(zhi)(zhi)(如(ru)下(xia)圖)。 存在(zai)(zai)外源(yuan)DNA的(de)(de)(de)(de)(de)(de)(de)(de)情況下(xia),CHO引物(wu)(wu)(wu)(wu)(wu)(wu)/探(tan)針(zhen)(zhen)(zhen)(zhen)仍具(ju)有(you)(you)廣泛的(de)(de)(de)(de)(de)(de)(de)(de)線(xian)性(xing)(xing)(xing)(xing)(xing)(xing)范(fan)圍和(he)(he)(he)特異(yi)性(xing)(xing)(xing)(xing)(xing)(xing)。不同(tong)濃度(du)(du)(du)的(de)(de)(de)(de)(de)(de)(de)(de)E. coli DNA不會(hui)影響CHO DNA的(de)(de)(de)(de)(de)(de)(de)(de)標(biao)準(zhun)曲線(xian)(如(ru)下(xia)圖)。 過(guo)(guo)(guo)(guo)程(cheng)樣(yang)品(pin)(pin)(pin)(pin)與(yu)藥(yao)(yao)(yao)物(wu)(wu)(wu)(wu)(wu)(wu)原液(ye)(DS)檢(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)結果(guo)(guo)對(dui)比(bi)(bi)(bi)。對(dui)比(bi)(bi)(bi)含(han)(han)有(you)(you)1 mg/mL陰離子(zi)交(jiao)換(huan)或(huo)陽離子(zi)交(jiao)換(huan)純(chun)(chun)化(hua)的(de)(de)(de)(de)(de)(de)(de)(de)蛋(dan)白(bai)樣(yang)品(pin)(pin)(pin)(pin)或(huo)藥(yao)(yao)(yao)物(wu)(wu)(wu)(wu)(wu)(wu)蛋(dan)白(bai)的(de)(de)(de)(de)(de)(de)(de)(de)CHO DNA回收率(lv)(見下(xia)表(biao)(biao))。 Cygnus AccuRes?系(xi)(xi)列(lie)HCD檢(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)劑(ji)(ji)(ji)(ji)(ji)(ji)盒(he)訂購信息 產(chan)(chan)品(pin)(pin)(pin)(pin)名稱 貨(huo)號 規格 CHO AccuRes? DNA Quantification Kit in Tubes D1555T 1 kit CHO AccuRes? DNA Quantification Kit in Wells D1555W 1 kit Human AccuRes? DNA Quantification Kit in Tubes D1160T 1 kit Human AccuRes? DNA Quantification Kit in Wells D1160W 1 kit E. coli AccuRes? DNA Quantification Kit in Tubes D1415T 1 kit E. coli AccuRes? DNA Quantification Kit in Wells D1415W 1 kit Cygnus Technologies, LLC.為(wei)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)技(ji)(ji)術(shu)和(he)(he)(he)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)制(zhi)藥(yao)(yao)(yao)行業(ye)提(ti)供產(chan)(chan)品(pin)(pin)(pin)(pin)和(he)(he)(he)分(fen)(fen)(fen)析方(fang)法(fa)(fa)(fa)(fa),旨在(zai)(zai)加速研(yan)發(fa)階段和(he)(he)(he)提(ti)高(gao)(gao)產(chan)(chan)品(pin)(pin)(pin)(pin)質(zhi)量(liang)(liang)(liang)(liang)(liang)。Cygnus開發(fa)和(he)(he)(he)生(sheng)(sheng)(sheng)產(chan)(chan)的(de)(de)(de)(de)(de)(de)(de)(de)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)工藝殘留(liu)(liu)試(shi)(shi)(shi)(shi)劑(ji)(ji)(ji)(ji)(ji)(ji)盒(he),用(yong)(yong)于(yu)檢(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)超過(guo)(guo)(guo)(guo)50種(zhong)不同(tong)表(biao)(biao)達系(xi)(xi)統的(de)(de)(de)(de)(de)(de)(de)(de)特異(yi)性(xing)(xing)(xing)(xing)(xing)(xing)雜(za)質(zhi)。Cygnus作(zuo)為(wei)專注于(yu)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)技(ji)(ji)術(shu)應(ying)用(yong)(yong)免(mian)疫檢(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)(ce)的(de)(de)(de)(de)(de)(de)(de)(de)高(gao)(gao)靈(ling)敏(min)度(du)(du)(du)分(fen)(fen)(fen)析技(ji)(ji)術(shu)的(de)(de)(de)(de)(de)(de)(de)(de)專家,Cygnus的(de)(de)(de)(de)(de)(de)(de)(de)產(chan)(chan)品(pin)(pin)(pin)(pin)和(he)(he)(he)服務已(yi)(yi)經被(bei)幾乎所(suo)有(you)(you)主(zhu)要(yao)的(de)(de)(de)(de)(de)(de)(de)(de)生(sheng)(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)制(zhi)藥(yao)(yao)(yao)公司使(shi)用(yong)(yong)超過(guo)(guo)(guo)(guo)25年(nian)。 北京西美(mei)杰科(ke)技(ji)(ji)有(you)(you)限公司作(zuo)為(wei)Cygnus在(zai)(zai)中(zhong)(zhong)(zhong)國(guo)(guo)總代理,與(yu)國(guo)(guo)內眾多知名藥(yao)(yao)(yao)企(qi)(qi),CRO/CMO企(qi)(qi)業(ye)建(jian)(jian)立了(le)(le)(le)(le)長久穩(wen)定(ding)(ding)(ding)的(de)(de)(de)(de)(de)(de)(de)(de)合作(zuo)關系(xi)(xi)。多年(nian)來西美(mei)杰的(de)(de)(de)(de)(de)(de)(de)(de)產(chan)(chan)品(pin)(pin)(pin)(pin)及(ji)服務幫助許多企(qi)(qi)業(ye)加速R&D階段,提(ti)高(gao)(gao)藥(yao)(yao)(yao)物(wu)(wu)(wu)(wu)(wu)(wu)質(zhi)量(liang)(liang)(liang)(liang)(liang)、純(chun)(chun)度(du)(du)(du)和(he)(he)(he)安全(quan),加速優化(hua)研(yan)發(fa)工藝,減少產(chan)(chan)品(pin)(pin)(pin)(pin)上市時間(jian),降(jiang)低(di)QC成本(ben)。如(ru)您對(dui)上述產(chan)(chan)品(pin)(pin)(pin)(pin)感(gan)興(xing)趣(qu),歡迎致(zhi)(zhi)電西美(mei)杰客服熱線(xian)400-050-4006或(huo)者登陸網站ljxbs.cn了(le)(le)(le)(le)解更(geng)多信息。 更多>新品 I Pfanstiehl 重磅推出注射級琥珀酸Succinic Acid (S-142)
眾所周(zhou)知,在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)抗(kang)體(ti)和(he)(he)蛋(dan)白質(zhi)(zhi)(zhi)(zhi)藥(yao)物(wu)(wu)(wu)(wu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)配方(fang)(fang)開發過(guo)(guo)程(cheng)中(zhong)(zhong)(zhong),緩(huan)(huan)(huan)沖(chong)(chong)(chong)液可(ke)(ke)以(yi)幫助實(shi)現(xian)遠(yuan)離其(qi)(qi)等電(dian)(dian)點(dian)(dian)(dian)(pI)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)pH值(zhi)(zhi)(zhi)目標(通(tong)(tong)常(chang)低于(yu)(yu)pI). 緩(huan)(huan)(huan)沖(chong)(chong)(chong)液具有(you)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)強大緩(huan)(huan)(huan)沖(chong)(chong)(chong)能力(li)(li),可(ke)(ke)以(yi)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)加工(gong)(gong)、儲存(cun)和(he)(he)給藥(yao)過(guo)(guo)程(cheng)中(zhong)(zhong)(zhong)為(wei)(wei)抗(kang)體(ti)蛋(dan)白分子(zi)提(ti)供最(zui)佳的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)物(wu)(wu)(wu)(wu)理和(he)(he)化學穩定(ding)(ding)(ding)(ding)(ding)性(xing)(xing)。由(you)于(yu)(yu)大多(duo)數傳統(tong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)單(dan)(dan)克(ke)隆(long)抗(kang)體(ti)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)pI在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)5.9至(zhi)9.0之(zhi)間(jian)(jian),因(yin)(yin)此(ci)pH值(zhi)(zhi)(zhi)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)4.5至(zhi)6.5之(zhi)間(jian)(jian)是(shi)(shi)單(dan)(dan)克(ke)隆(long)抗(kang)體(ti)制(zhi)劑被(bei)高(gao)度(du)(du)期(qi)望的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)范(fan)(fan)圍,以(yi)平衡物(wu)(wu)(wu)(wu)理和(he)(he)化學降解風(feng)(feng)(feng)險(xian)。 此(ci)外,IgG4的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)pI通(tong)(tong)常(chang)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)6至(zhi)7.1之(zhi)間(jian)(jian),那(nei)么pH 5.0則(ze)是(shi)(shi)目標制(zhi)劑的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)理想(xiang)pH值(zhi)(zhi)(zhi),因(yin)(yin)為(wei)(wei)它能夠通(tong)(tong)過(guo)(guo)靜(jing)電(dian)(dian)排斥和(he)(he)降低較高(gao)溫度(du)(du)下(xia)脫酰胺(an)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)風(feng)(feng)(feng)險(xian),以(yi)達到穩定(ding)(ding)(ding)(ding)(ding)分子(zi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)目的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)。 盡管在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)液體(ti)和(he)(he)凍(dong)(dong)(dong)(dong)(dong)(dong)(dong)干(gan)(gan)(gan)產(chan)(chan)品(pin)(pin)(pin)中(zhong)(zhong)(zhong),組氨酸(suan)(suan)(suan)(suan)(suan)(suan)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)pH 5.5至(zhi)6.5的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)范(fan)(fan)圍內(nei)都(dou)占據主導(dao)地位,但如(ru)果目標pH值(zhi)(zhi)(zhi)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)4.5至(zhi)5.5之(zhi)間(jian)(jian),我們(men)(men)依(yi)然還有(you)另外三種緩(huan)(huan)(huan)沖(chong)(chong)(chong)液可(ke)(ke)選(xuan),即醋酸(suan)(suan)(suan)(suan)(suan)(suan)鹽(yan)(yan)(yan)(yan)、檸檬酸(suan)(suan)(suan)(suan)(suan)(suan)鹽(yan)(yan)(yan)(yan)和(he)(he)琥(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)(suan)(suan)鹽(yan)(yan)(yan)(yan)。這些(xie)緩(huan)(huan)(huan)沖(chong)(chong)(chong)物(wu)(wu)(wu)(wu)質(zhi)(zhi)(zhi)(zhi)存(cun)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)某些(xie)固有(you)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)挑(tiao)戰(zhan),阻礙了(le)它們(men)(men)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)靜(jing)脈和(he)(he)皮下(xia)給藥(yao)以(yi)及液體(ti)和(he)(he)凍(dong)(dong)(dong)(dong)(dong)(dong)(dong)干(gan)(gan)(gan)劑型方(fang)(fang)面的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)廣泛使用(yong)(yong)(yong)。而(er)(er)(er)組氨酸(suan)(suan)(suan)(suan)(suan)(suan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)pKa值(zhi)(zhi)(zhi)為(wei)(wei)6,在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)pH<5.5時(shi)緩(huan)(huan)(huan)沖(chong)(chong)(chong)性(xing)(xing)較差,因(yin)(yin)此(ci)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)4.5至(zhi)5.5的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)pH范(fan)(fan)圍內(nei)應(ying)(ying)用(yong)(yong)(yong)有(you)限(xian)。雖然醋酸(suan)(suan)(suan)(suan)(suan)(suan)鹽(yan)(yan)(yan)(yan)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)此(ci)范(fan)(fan)圍內(nei)具有(you)良好的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)緩(huan)(huan)(huan)沖(chong)(chong)(chong)能力(li)(li),但其(qi)(qi)易(yi)揮發和(he)(he)冷(leng)凍(dong)(dong)(dong)(dong)(dong)(dong)(dong)干(gan)(gan)(gan)燥過(guo)(guo)程(cheng)中(zhong)(zhong)(zhong)溶(rong)劑的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)過(guo)(guo)度(du)(du)損失是(shi)(shi)其(qi)(qi)應(ying)(ying)用(yong)(yong)(yong)相關(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)潛在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)挑(tiao)戰(zhan)。檸檬酸(suan)(suan)(suan)(suan)(suan)(suan)鹽(yan)(yan)(yan)(yan)緩(huan)(huan)(huan)沖(chong)(chong)(chong)制(zhi)劑在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)皮下(xia)應(ying)(ying)用(yong)(yong)(yong)中(zhong)(zhong)(zhong)使用(yong)(yong)(yong)有(you)限(xian),原(yuan)因(yin)(yin)是(shi)(shi)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)皮下(xia)注(zhu)射(she)期(qi)間(jian)(jian)存(cun)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)壞(huai)死的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)風(feng)(feng)(feng)險(xian)。琥(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)(suan)(suan)鹽(yan)(yan)(yan)(yan)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)pH4.5至(zhi)5.5之(zhi)間(jian)(jian)提(ti)供了(le)強大的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)緩(huan)(huan)(huan)沖(chong)(chong)(chong)能力(li)(li),但由(you)于(yu)(yu)琥(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)(suan)(suan)鹽(yan)(yan)(yan)(yan)結晶(jing)(jing)影(ying)(ying)響(xiang)產(chan)(chan)品(pin)(pin)(pin)穩定(ding)(ding)(ding)(ding)(ding)性(xing)(xing)而(er)(er)(er)導(dao)致pH值(zhi)(zhi)(zhi)劇烈波(bo)動(dong)(dong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)風(feng)(feng)(feng)險(xian),通(tong)(tong)常(chang)避免其(qi)(qi)用(yong)(yong)(yong)于(yu)(yu)冷(leng)凍(dong)(dong)(dong)(dong)(dong)(dong)(dong)或(huo)(huo)凍(dong)(dong)(dong)(dong)(dong)(dong)(dong)干(gan)(gan)(gan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)應(ying)(ying)用(yong)(yong)(yong)。以(yi)下(xia)表格(ge)總結了(le)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)注(zhu)射(she)制(zhi)劑中(zhong)(zhong)(zhong)使用(yong)(yong)(yong)這四種緩(huan)(huan)(huan)沖(chong)(chong)(chong)液的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)局限(xian)性(xing)(xing)[1]。在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)比較這些(xie)緩(huan)(huan)(huan)沖(chong)(chong)(chong)液系統(tong)時(shi),琥(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)(suan)(suan)鹽(yan)(yan)(yan)(yan)具有(you)顯(xian)著的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)內(nei)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)優(you)勢。首先,其(qi)(qi)pKa值(zhi)(zhi)(zhi)為(wei)(wei)4.2和(he)(he)5.6,琥(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)(suan)(suan)鹽(yan)(yan)(yan)(yan)緩(huan)(huan)(huan)沖(chong)(chong)(chong)液在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)pH4.4和(he)(he)5.8之(zhi)間(jian)(jian)提(ti)供了(le)優(you)異的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)緩(huan)(huan)(huan)沖(chong)(chong)(chong)能力(li)(li)。其(qi)(qi)次(ci),它不像醋酸(suan)(suan)(suan)(suan)(suan)(suan)易(yi)揮發,因(yin)(yin)此(ci)能夠用(yong)(yong)(yong)于(yu)(yu)凍(dong)(dong)(dong)(dong)(dong)(dong)(dong)干(gan)(gan)(gan)產(chan)(chan)品(pin)(pin)(pin)。最(zui)后(hou)(hou)(hou),琥(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)(suan)(suan)鹽(yan)(yan)(yan)(yan)已(yi)(yi)被(bei)證(zheng)明(ming)具有(you)體(ti)內(nei)給藥(yao)后(hou)(hou)(hou)可(ke)(ke)接受(shou)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)耐(nai)受(shou)性(xing)(xing)。然后(hou)(hou)(hou)這些(xie)優(you)點(dian)(dian)(dian)可(ke)(ke)能由(you)于(yu)(yu)琥(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)(suan)(suan)鹽(yan)(yan)(yan)(yan)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)冷(leng)凍(dong)(dong)(dong)(dong)(dong)(dong)(dong)或(huo)(huo)冷(leng)凍(dong)(dong)(dong)(dong)(dong)(dong)(dong)干(gan)(gan)(gan)燥過(guo)(guo)程(cheng)中(zhong)(zhong)(zhong)易(yi)結晶(jing)(jing),從(cong)而(er)(er)(er)導(dao)致pH值(zhi)(zhi)(zhi)波(bo)動(dong)(dong)以(yi)及這些(xie)pH值(zhi)(zhi)(zhi)波(bo)動(dong)(dong)影(ying)(ying)響(xiang)產(chan)(chan)品(pin)(pin)(pin)穩定(ding)(ding)(ding)(ding)(ding)性(xing)(xing)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)風(feng)(feng)(feng)險(xian)而(er)(er)(er)忽視掉了(le)。 Sundaramurthi et al. [2]在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)他(ta)(ta)(ta)們(men)(men)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)工(gong)(gong)作(zuo)中(zhong)(zhong)(zhong)強調了(le)琥(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)(suan)(suan)鹽(yan)(yan)(yan)(yan)由(you)于(yu)(yu)凍(dong)(dong)(dong)(dong)(dong)(dong)(dong)干(gan)(gan)(gan)而(er)(er)(er)引起(qi)其(qi)(qi)pH值(zhi)(zhi)(zhi)變(bian)化的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)程(cheng)度(du)(du)。在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)他(ta)(ta)(ta)們(men)(men)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)研(yan)究(jiu)(jiu)中(zhong)(zhong)(zhong),將(jiang)50至(zhi)200mM濃度(du)(du)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)琥(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)(suan)(suan)緩(huan)(huan)(huan)沖(chong)(chong)(chong)液從(cong)0°C冷(leng)卻至(zhi)25°C,線性(xing)(xing)冷(leng)凍(dong)(dong)(dong)(dong)(dong)(dong)(dong)速(su)率(lv)為(wei)(wei)0.5°C/min,使用(yong)(yong)(yong)低溫pH電(dian)(dian)極表征冷(leng)凍(dong)(dong)(dong)(dong)(dong)(dong)(dong)對(dui)pH的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)影(ying)(ying)響(xiang)。他(ta)(ta)(ta)們(men)(men)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)研(yan)究(jiu)(jiu)表明(ming),pH值(zhi)(zhi)(zhi)波(bo)動(dong)(dong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)大小和(he)(he)方(fang)(fang)向性(xing)(xing)取決于(yu)(yu)起(qi)始琥(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)(suan)(suan)濃度(du)(du),起(qi)始溶(rong)液pH值(zhi)(zhi)(zhi)和(he)(he)冷(leng)凍(dong)(dong)(dong)(dong)(dong)(dong)(dong)速(su)率(lv)。并(bing)且這種波(bo)動(dong)(dong)可(ke)(ke)以(yi)通(tong)(tong)過(guo)(guo)蛋(dan)白質(zhi)(zhi)(zhi)(zhi)和(he)(he)糖等共溶(rong)質(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)存(cun)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)而(er)(er)(er)被(bei)減弱(ruo)。琥(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)(suan)(suan)鹽(yan)(yan)(yan)(yan)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)冷(leng)凍(dong)(dong)(dong)(dong)(dong)(dong)(dong)過(guo)(guo)程(cheng)中(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)結晶(jing)(jing)被(bei)確(que)定(ding)(ding)(ding)(ding)(ding)為(wei)(wei)其(qi)(qi)pH值(zhi)(zhi)(zhi)變(bian)化的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)根(gen)本原(yuan)因(yin)(yin)。 Anvay Ukidve et al.[1] 在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)他(ta)(ta)(ta)們(men)(men)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)工(gong)(gong)作(zuo)中(zhong)(zhong)(zhong)評(ping)估了(le)使用(yong)(yong)(yong)琥(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)(suan)(suan)作(zuo)為(wei)(wei)用(yong)(yong)(yong)于(yu)(yu)pH 4.5至(zhi)5.5之(zhi)間(jian)(jian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)單(dan)(dan)克(ke)隆(long)抗(kang)體(ti)制(zhi)劑的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)緩(huan)(huan)(huan)沖(chong)(chong)(chong)液在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)冷(leng)凍(dong)(dong)(dong)(dong)(dong)(dong)(dong)、冷(leng)凍(dong)(dong)(dong)(dong)(dong)(dong)(dong)儲存(cun)和(he)(he)凍(dong)(dong)(dong)(dong)(dong)(dong)(dong)干(gan)(gan)(gan)中(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)應(ying)(ying)用(yong)(yong)(yong)。他(ta)(ta)(ta)們(men)(men)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)研(yan)究(jiu)(jiu)中(zhong)(zhong)(zhong),發現(xian)25mM琥(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)(suan)(suan)鹽(yan)(yan)(yan)(yan)可(ke)(ke)以(yi)作(zuo)為(wei)(wei)達到pH5.0的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)傳統(tong)單(dan)(dan)克(ke)隆(long)抗(kang)體(ti)制(zhi)劑緩(huan)(huan)(huan)沖(chong)(chong)(chong)液;同時(shi)確(que)定(ding)(ding)(ding)(ding)(ding)琥(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)(suan)(suan)單(dan)(dan)鈉(na)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)選(xuan)擇性(xing)(xing)結晶(jing)(jing)為(wei)(wei)其(qi)(qi)pH值(zhi)(zhi)(zhi)變(bian)化的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)根(gen)本原(yuan)因(yin)(yin)。此(ci)外,他(ta)(ta)(ta)們(men)(men)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)工(gong)(gong)作(zuo)證(zheng)實(shi)通(tong)(tong)過(guo)(guo)加入2%w/v的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)蔗糖可(ke)(ke)以(yi)減輕琥(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)(suan)(suan)單(dan)(dan)鈉(na)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)結晶(jing)(jing),從(cong)而(er)(er)(er)極大緩(huan)(huan)(huan)解pH值(zhi)(zhi)(zhi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)波(bo)動(dong)(dong),使其(qi)(qi)可(ke)(ke)以(yi)用(yong)(yong)(yong)于(yu)(yu)mAb藥(yao)物(wu)(wu)(wu)(wu)制(zhi)劑,并(bing)在(zai)(zai)(zai)(zai)(zai)(zai)(zai)(zai)加速(su)動(dong)(dong)力(li)(li)學穩定(ding)(ding)(ding)(ding)(ding)性(xing)(xing)測試(shi)中(zhong)(zhong)(zhong)顯(xian)示出可(ke)(ke)接受(shou)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)質(zhi)(zhi)(zhi)(zhi)量(liang)(liang)屬(shu)性(xing)(xing)。 Pfanstiehl秉承一(yi)貫(guan)高(gao)品(pin)(pin)(pin)質(zhi)(zhi)(zhi)(zhi)理念,繼早已(yi)(yi)上市的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)琥(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)(suan)(suan)鈉(na)D-161后(hou)(hou)(hou),再次(ci)重磅推出注(zhu)射(she)級(ji)(ji)別(bie)琥(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)(suan)(suan)Succinic acid(植(zhi)物(wu)(wu)(wu)(wu)源(yuan)), 具有(you)高(gao)純度(du)(du),超(chao)低內(nei)毒素(su),超(chao)低金(jin)屬(shu)殘(can)留的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)特點(dian)(dian)(dian),單(dan)(dan)獨(du)檢(jian)測29種金(jin)屬(shu)離子(zi),并(bing)且新(xin)增DNA,RNA,DNA酶(mei)(mei),RNA酶(mei)(mei)和(he)(he)脂(zhi)肪酶(mei)(mei),亞硝酸(suan)(suan)(suan)(suan)(suan)(suan)鹽(yan)(yan)(yan)(yan)等多(duo)項質(zhi)(zhi)(zhi)(zhi)量(liang)(liang)指標的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)檢(jian)測,符(fu)合多(duo)國藥(yao)典規定(ding)(ding)(ding)(ding)(ding)(NF, EP, BP, JPE, ChP),可(ke)(ke)用(yong)(yong)(yong)于(yu)(yu)生物(wu)(wu)(wu)(wu)治療(liao)性(xing)(xing)藥(yao)物(wu)(wu)(wu)(wu)和(he)(he)疫苗的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)生產(chan)(chan)。 產(chan)(chan)品(pin)(pin)(pin)信息(xi): ·產(chan)(chan)品(pin)(pin)(pin)名(ming)稱:Succinic Acid, High Purity, Low Endotoxin, Low Metals, NF, EP, BP, JPE, ChP (S-142) ·中(zhong)(zhong)(zhong)文(wen)名(ming)稱:琥(hu)(hu)(hu)珀(po)(po)酸(suan)(suan)(suan)(suan)(suan)(suan) ·分子(zi)式:C4H6O4 ·分子(zi)量(liang)(liang):118.09 g / mol ·CAS號:110-15-6 ·產(chan)(chan)品(pin)(pin)(pin)貨號:S-142 產(chan)(chan)品(pin)(pin)(pin)特點(dian)(dian)(dian): ·高(gao)純度(du)(du),超(chao)低內(nei)毒素(su),超(chao)低微生物(wu)(wu)(wu)(wu)含(han)量(liang)(liang),超(chao)低金(jin)屬(shu)雜質(zhi)(zhi)(zhi)(zhi)殘(can)留 ·質(zhi)(zhi)(zhi)(zhi)量(liang)(liang)指標新(xin)增DNA,RNA,DNA酶(mei)(mei),RNA酶(mei)(mei),脂(zhi)肪酶(mei)(mei)和(he)(he)亞硝酸(suan)(suan)(suan)(suan)(suan)(suan)鹽(yan)(yan)(yan)(yan)檢(jian)測 ·符(fu)合多(duo)國藥(yao)典:NF, EP, BP, JPE, ChP ·符(fu)合ICH Q3D標準 ·符(fu)合GMP標準 ·美國DMF和(he)(he)中(zhong)(zhong)(zhong)國CDE藥(yao)用(yong)(yong)(yong)輔料登記工(gong)(gong)作(zuo)進行(xing)中(zhong)(zhong)(zhong) 產(chan)(chan)品(pin)(pin)(pin)應(ying)(ying)用(yong)(yong)(yong): ·緩(huan)(huan)(huan)沖(chong)(chong)(chong)液 如(ru)果您(nin)對(dui)Pfanstiehl的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)注(zhu)射(she)級(ji)(ji)別(bie)Succinic Acid S-142感興趣(qu),歡(huan)迎聯系Pfanstiehl 中(zhong)(zhong)(zhong)國區(qu)代理北(bei)京(jing)西美杰(jie)科技有(you)限(xian)公(gong)司(si)(si)獲得如(ru)下(xia)詳細的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)產(chan)(chan)品(pin)(pin)(pin)概(gai)況(kuang)說明(ming)文(wen)件和(he)(he)測試(shi)樣品(pin)(pin)(pin)。 [1]Anvay Ukidvea,1 , Kelvin B. Remberta,1,2 , Ragaleena Vanipentaa , Patrick Doriona,2 , Pierre Lafarguetteb , Timothy McCoya,2 , Atul Salujaa , Raj Suryanarayananc , Sanket Patkea, Succinate buffer in biologics Products;real world formulation considerations, processing risks and mitigation strategies. Pharmaceutics, Drug Delivery and Pharmaceutical Technology. 2022. [2]Sundaramurthi P, Shalaev E, Suryanarayanan R. Calorimetric and diffractometric evidence for the sequential crystallization of buffer components and the consequential pH swing in frozen solutions. J Phys Chem B. 2010;114(14):4915–4923. Pfanstiehl Inc.其(qi)(qi)他(ta)(ta)(ta)產(chan)(chan)品(pin)(pin)(pin)系列如(ru)下(xia),如(ru)需測試(shi)請點(dian)(dian)(dian)擊這里獲取100g免費(fei)試(shi)用(yong)(yong)(yong)裝。 北(bei)京(jing)西美杰(jie)科技有(you)限(xian)公(gong)司(si)(si)為(wei)(wei)Pfanstiehl中(zhong)(zhong)(zhong)國代理,為(wei)(wei)客戶提(ti)供完(wan)善的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)技術支持與售(shou)后(hou)(hou)(hou)服(fu)務。歡(huan)迎撥打西美杰(jie)客服(fu)電(dian)(dian)話400-050-4006或(huo)(huo)者登陸(lu)網站ljxbs.cn了(le)解更多(duo)信息(xi) 更多>新品上市 | ?西美杰代理Jena Bioscience高濃度標記核苷酸
標(biao)(biao)記(ji)(ji)核苷酸(suan)是(shi)生(sheng)(sheng)命科(ke)學(xue)研究的(de)(de)(de)一個關鍵要(yao)素,是(shi)分子生(sheng)(sheng)物(wu)學(xue)檢(jian)測中(zhong)檢(jian)測特定核酸(suan)序列的(de)(de)(de)有效工具(ju),它們具(ju)有生(sheng)(sheng)物(wu)活性,通常通過酶的(de)(de)(de)作用(yong)而結合(he)到 DNA 或(huo) RNA 序列中(zhong)進行檢(jian)測和(he)分析(xi)。Cy3, Cy5和(he)生(sheng)(sheng)物(wu)素是(shi)生(sheng)(sheng)產非放射性DNA和(he)RNA探針常用(yong)的(de)(de)(de)標(biao)(biao)記(ji)(ji)物(wu)之一,他們具(ju)有很好的(de)(de)(de)酶促(cu)特性和(he)可選擇(ze)性。西(xi)美杰代理(li)的(de)(de)(de)Jena Bioscience品牌現在能提供用(yong)于(yu)DNA和(he)RNA非放射標(biao)(biao)記(ji)(ji)的(de)(de)(de)濃度為(wei)(wei)10mM的(de)(de)(de)Cy3-,Cy5- 和(he)濃度為(wei)(wei)5mM的(de)(de)(de)Biotin- 標(biao)(biao)記(ji)(ji)的(de)(de)(de)核苷酸(suan)。品牌 品名 貨號 規(gui)格 Jena Bioscience UTP-Cy3 - high concentration NU-821-CY3-HC 10 µl(10 mM) Jena Bioscience UTP-Cy5 - high concentration NU-821-CY5-HC 10 µl(10 mM) Jena Bioscience Biotin-11-dATP - high concentration NU-1175-BIOX-HC 20 µl(5 mM) Jena Bioscience Biotin-11-dCTP - high concentration NU-809-BIOX-HC 500 µl(5 mM) 圖一: 用(yong)于(yu)RNA標(biao)(biao)記(ji)(ji)的(de)(de)(de)酶摻(chan)入(ru)熒光標(biao)(biao)記(ji)(ji)核苷酸(suan)圖二(er): 用(yong)于(yu)DNA標(biao)(biao)記(ji)(ji)的(de)(de)(de)酶摻(chan)入(ru)生(sheng)(sheng)物(wu)素標(biao)(biao)記(ji)(ji)核苷酸(suan)北京(jing)西(xi)美杰科(ke)技有限(xian)公(gong)司為(wei)(wei)Jena Bioscience中(zhong)國代理(li),為(wei)(wei)客戶提供完善的(de)(de)(de)技術支持(chi)與(yu)售后服(fu)務(wu)。歡迎撥(bo)打西(xi)美杰客服(fu)電話400-050-4006或(huo)者登陸網(wang)站ljxbs.cn了解更多(duo)信息(xi)。 更多>星品推薦 | 安全低毒高質量的新型MIDORIGreen核酸染料
核(he)(he)(he)酸(suan)(suan)(suan)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)(liao)(liao)(liao)是分子生物學實(shi)驗(yan)(yan)中(zhong)(zhong)不(bu)可或缺(que)的(de)(de)(de)(de)(de)(de)(de)試劑(ji),其中(zhong)(zhong)溴化(hua)(hua)乙(yi)錠(ding)(EtBr)因其高(gao)(gao)(gao)靈(ling)敏度(du)(du),長期以(yi)(yi)(yi)來(lai)一直(zhi)被用(yong)(yong)(yong)(yong)作(zuo)核(he)(he)(he)酸(suan)(suan)(suan)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)色(se)(se)(se)(se)(se)(se)(se)的(de)(de)(de)(de)(de)(de)(de)標準染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)(liao)(liao)(liao)。但是EtBr具有(you)(you)潛在(zai)的(de)(de)(de)(de)(de)(de)(de)誘變(bian)(bian)(bian)和(he)致(zhi)(zhi)癌(ai)作(zuo)用(yong)(yong)(yong)(yong),EtBr能(neng)與(yu)(yu)(yu)DNA嵌合(he),引起細胞(bao)(bao)突(tu)變(bian)(bian)(bian),長期接(jie)(jie)觸可能(neng)對(dui)人體健(jian)康產生負面影響(xiang)。NIPPON GENETICS推(tui)出的(de)(de)(de)(de)(de)(de)(de)新型MIDORIGreen系列核(he)(he)(he)酸(suan)(suan)(suan)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)(liao)(liao)(liao),是一種(zhong)非(fei)致(zhi)(zhi)癌(ai)性(xing)和(he)非(fei)致(zhi)(zhi)突(tu)變(bian)(bian)(bian)性(xing)的(de)(de)(de)(de)(de)(de)(de)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)(liao)(liao)(liao),無(wu)法(fa)穿透乳膠(jiao)手套(tao)和(he)細胞(bao)(bao)膜。同時(shi)(shi)致(zhi)(zhi)突(tu)變(bian)(bian)(bian)性(xing)試驗(yan)(yan)(Ames試驗(yan)(yan))和(he)細胞(bao)(bao)毒性(xing)試驗(yan)(yan)均(jun)為(wei)陰性(xing),因此(ci)是一種(zhong)高(gao)(gao)(gao)安(an)全(quan)度(du)(du)的(de)(de)(de)(de)(de)(de)(de)核(he)(he)(he)酸(suan)(suan)(suan)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)(liao)(liao)(liao)[1]。 紫(zi)外光(guang)(guang)(guang)(guang)與(yu)(yu)(yu)EtBr染(ran)(ran)(ran)(ran)(ran)(ran)(ran)色(se)(se)(se)(se)(se)(se)(se)至(zhi)(zhi)(zhi)今仍一起被用(yong)(yong)(yong)(yong)于(yu)分子生物學實(shi)驗(yan)(yan)室中(zhong)(zhong)檢(jian)測(ce)(ce)核(he)(he)(he)酸(suan)(suan)(suan)。然而(er)紫(zi)外光(guang)(guang)(guang)(guang)譜(pu)會導致(zhi)(zhi)DNA樣品(pin)(pin)的(de)(de)(de)(de)(de)(de)(de)修飾和(he)降解,30秒的(de)(de)(de)(de)(de)(de)(de)紫(zi)外線曝光(guang)(guang)(guang)(guang)足(zu)以(yi)(yi)(yi)大幅降低克(ke)隆(long)效(xiao)(xiao)(xiao)率。藍(lan)(lan)/綠LED在(zai)470 nm - 520 nm處發(fa)出安(an)全(quan)可見光(guang)(guang)(guang)(guang),這種(zhong)光(guang)(guang)(guang)(guang)譜(pu)對(dui) DNA 沒有(you)(you)破壞(huai)性(xing),與(yu)(yu)(yu)紫(zi)外光(guang)(guang)(guang)(guang)相比,DNA完整性(xing)和(he)克(ke)隆(long)/測(ce)(ce)序效(xiao)(xiao)(xiao)率完全(quan)不(bu)受影響(xiang),即(ji)使(shi)(shi)(shi)(shi)在(zai)長時(shi)(shi)間(jian)的(de)(de)(de)(de)(de)(de)(de)光(guang)(guang)(guang)(guang)照下(xia)也是如此(ci)。MIDORIGreen系列核(he)(he)(he)酸(suan)(suan)(suan)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)(liao)(liao)(liao)經過優化(hua)(hua),可在(zai)紫(zi)外光(guang)(guang)(guang)(guang)或藍(lan)(lan)/綠光(guang)(guang)(guang)(guang)激發(fa)時(shi)(shi)獲(huo)得更(geng)(geng)(geng)亮(liang)的(de)(de)(de)(de)(de)(de)(de)信(xin)號,同時(shi)(shi)也兼容(rong)紫(zi)外光(guang)(guang)(guang)(guang)。 圖(tu)(tu)1:EtBr和(he)MIDORIGreen吸收(shou)光(guang)(guang)(guang)(guang)譜(pu)對(dui)比 MIDORIGreen產品(pin)(pin)特點(dian) ? 出色(se)(se)(se)(se)(se)(se)(se)的(de)(de)(de)(de)(de)(de)(de)信(xin)號質量(liang) ? 用(yong)(yong)(yong)(yong)于(yu)凝(ning)(ning)膠(jiao)內染(ran)(ran)(ran)(ran)(ran)(ran)(ran)色(se)(se)(se)(se)(se)(se)(se)和(he)后染(ran)(ran)(ran)(ran)(ran)(ran)(ran)色(se)(se)(se)(se)(se)(se)(se)的(de)(de)(de)(de)(de)(de)(de)安(an)全(quan)核(he)(he)(he)酸(suan)(suan)(suan)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)(liao)(liao)(liao) ? 溴化(hua)(hua)乙(yi)錠(ding)的(de)(de)(de)(de)(de)(de)(de)安(an)全(quan)替代品(pin)(pin):非(fei)致(zhi)(zhi)癌(ai)無(wu)毒 ? 適用(yong)(yong)(yong)(yong)dsDNA、ssDNA或RNA染(ran)(ran)(ran)(ran)(ran)(ran)(ran)色(se)(se)(se)(se)(se)(se)(se) ? 膠(jiao)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)法(fa)和(he)泡染(ran)(ran)(ran)(ran)(ran)(ran)(ran)法(fa)均(jun)可 MIDORIGreen Advance MIDORIGreen Advance靈(ling)敏度(du)(du)與(yu)(yu)(yu)EtBr相當(dang),可以(yi)(yi)(yi)直(zhi)接(jie)(jie)添(tian)(tian)(tian)加(jia)(jia)到(dao)(dao)熔融的(de)(de)(de)(de)(de)(de)(de)瓊脂(zhi)(zhi)糖中(zhong)(zhong)。同時(shi)(shi)兼容(rong)紫(zi)外線或藍(lan)(lan)/綠LED,因此(ci)無(wu)需(xu)(xu)更(geng)(geng)(geng)改原有(you)(you)的(de)(de)(de)(de)(de)(de)(de)實(shi)驗(yan)(yan)步(bu)驟。MIDORIGreen Advance的(de)(de)(de)(de)(de)(de)(de)稀(xi)釋(shi)倍數可高(gao)(gao)(gao)達(da)1:25000。100 mL瓊脂(zhi)(zhi)糖凝(ning)(ning)膠(jiao)只需(xu)(xu)4μL至(zhi)(zhi)(zhi)6μL,每(mei)1mL的(de)(de)(de)(de)(de)(de)(de)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)(liao)(liao)(liao)可配置約17L至(zhi)(zhi)(zhi)25L瓊脂(zhi)(zhi)糖凝(ning)(ning)膠(jiao)。MIDORIGreen Direct MIDORIGreen Direct中(zhong)(zhong)已經包含10X Loading Buffer,可以(yi)(yi)(yi)直(zhi)接(jie)(jie)添(tian)(tian)(tian)加(jia)(jia)到(dao)(dao)核(he)(he)(he)酸(suan)(suan)(suan)樣品(pin)(pin)中(zhong)(zhong),無(wu)需(xu)(xu)將其或任(ren)何(he)其他染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)(liao)(liao)(liao)添(tian)(tian)(tian)加(jia)(jia)到(dao)(dao)凝(ning)(ning)膠(jiao)基(ji)質。相較(jiao)于(yu)在(zai)凝(ning)(ning)膠(jiao)中(zhong)(zhong)添(tian)(tian)(tian)加(jia)(jia)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)(liao)(liao)(liao)的(de)(de)(de)(de)(de)(de)(de)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)色(se)(se)(se)(se)(se)(se)(se)方(fang)式(shi),核(he)(he)(he)酸(suan)(suan)(suan)的(de)(de)(de)(de)(de)(de)(de)直(zhi)接(jie)(jie)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)色(se)(se)(se)(se)(se)(se)(se)消除了(le)(le)(le)背景染(ran)(ran)(ran)(ran)(ran)(ran)(ran)色(se)(se)(se)(se)(se)(se)(se),提供(gong)了(le)(le)(le)完美的(de)(de)(de)(de)(de)(de)(de)信(xin)噪比。1 mL的(de)(de)(de)(de)(de)(de)(de) MIDORIGreen Direct足(zu)夠提供(gong)1,000至(zhi)(zhi)(zhi)2,000個樣品(pin)(pin)的(de)(de)(de)(de)(de)(de)(de)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)色(se)(se)(se)(se)(se)(se)(se)。 MIDORIGreen Direct可以(yi)(yi)(yi)為(wei)下(xia)游(you)(you)提供(gong)更(geng)(geng)(geng)好的(de)(de)(de)(de)(de)(de)(de)結果(guo)。 從瓊脂(zhi)(zhi)糖凝(ning)(ning)膠(jiao)中(zhong)(zhong)分離核(he)(he)(he)酸(suan)(suan)(suan)可以(yi)(yi)(yi)進一步(bu)下(xia)游(you)(you)應(ying)用(yong)(yong)(yong)(yong),許(xu)多(duo)(duo)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)(liao)(liao)(liao),如EtBr甚(shen)至(zhi)(zhi)(zhi)SYBR? Green,由(you)于(yu)其嵌入特性(xing),都是強酶(mei)抑制(zhi)劑(ji)。而(er)MIDORI Green 染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)(liao)(liao)(liao)與(yu)(yu)(yu) DNA 骨架結合(he)的(de)(de)(de)(de)(de)(de)(de)方(fang)式(shi)能(neng)為(wei)下(xia)游(you)(you)應(ying)用(yong)(yong)(yong)(yong)帶來(lai)更(geng)(geng)(geng)高(gao)(gao)(gao)的(de)(de)(de)(de)(de)(de)(de)效(xiao)(xiao)(xiao)率,包括克(ke)隆(long)、測(ce)(ce)序、PCR等。[2]圖(tu)(tu)2:相較(jiao)于(yu)EtBr,MIDORIGreen Direct轉化(hua)(hua)的(de)(de)(de)(de)(de)(de)(de)E.coli菌(jun)落數增加(jia)(jia),提高(gao)(gao)(gao)了(le)(le)(le)轉換(huan)效(xiao)(xiao)(xiao)率 MIDORIGreen Xtra MIDORIGreen Xtra是NIPPON GENETIC最新一代核(he)(he)(he)酸(suan)(suan)(suan)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)(liao)(liao)(liao),針對(dui)藍(lan)(lan)/綠LED和(he)藍(lan)(lan)LED光(guang)(guang)(guang)(guang)源進行(xing)了(le)(le)(le)優化(hua)(hua),可以(yi)(yi)(yi)在(zai)瓊脂(zhi)(zhi)糖凝(ning)(ning)膠(jiao)中(zhong)(zhong)產生強熒光(guang)(guang)(guang)(guang)信(xin)號。同時(shi)(shi)MIDORIGreen Xtra不(bu)會對(dui)瓊脂(zhi)(zhi)糖凝(ning)(ning)膠(jiao)進行(xing)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)色(se)(se)(se)(se)(se)(se)(se),因而(er)具有(you)(you)很(hen)低的(de)(de)(de)(de)(de)(de)(de)背景噪音,從而(er)獲(huo)得出色(se)(se)(se)(se)(se)(se)(se)的(de)(de)(de)(de)(de)(de)(de)信(xin)噪比。由(you)于(yu)非(fei)常(chang)低的(de)(de)(de)(de)(de)(de)(de)背景熒光(guang)(guang)(guang)(guang),這使(shi)(shi)(shi)(shi)得識(shi)別少量(liang) DNA 變(bian)(bian)(bian)得非(fei)常(chang)容(rong)易,因此(ci)MIDORIGreen Xtra具有(you)(you)超高(gao)(gao)(gao)靈(ling)敏度(du)(du)。圖(tu)(tu)3:使(shi)(shi)(shi)(shi)用(yong)(yong)(yong)(yong)MIDORI Green Xtra檢(jian)測(ce)(ce)的(de)(de)(de)(de)(de)(de)(de)DNA條(tiao)帶具有(you)(you)超高(gao)(gao)(gao)靈(ling)敏度(du)(du)(注:左(zuo)圖(tu)(tu)使(shi)(shi)(shi)(shi)用(yong)(yong)(yong)(yong)藍(lan)(lan)色(se)(se)(se)(se)(se)(se)(se)/綠色(se)(se)(se)(se)(se)(se)(se) LED 透射儀(yi)進行(xing)檢(jian)測(ce)(ce);右圖(tu)(tu)使(shi)(shi)(shi)(shi)用(yong)(yong)(yong)(yong)藍(lan)(lan)色(se)(se)(se)(se)(se)(se)(se)LED透射儀(yi)進行(xing)檢(jian)測(ce)(ce)。) MIDORIGreen easy MIDORIGreen easy具有(you)(you)與(yu)(yu)(yu)MIDORIGreen Xtra相同的(de)(de)(de)(de)(de)(de)(de)出色(se)(se)(se)(se)(se)(se)(se)信(xin)號質量(liang)和(he)低背景,擁(yong)有(you)(you)比EtBr更(geng)(geng)(geng)好的(de)(de)(de)(de)(de)(de)(de)信(xin)號,MIDORIGreen easy的(de)(de)(de)(de)(de)(de)(de)開發(fa)是為(wei)了(le)(le)(le)可以(yi)(yi)(yi)輕松替換(huan)SYBR®safe,同時(shi)(shi)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)色(se)(se)(se)(se)(se)(se)(se)方(fang)案不(bu)需(xu)(xu)要改變(bian)(bian)(bian)。MIDORIGreen Easy的(de)(de)(de)(de)(de)(de)(de)稀(xi)釋(shi)倍數可高(gao)(gao)(gao)達(da)1:10000,100 mL瓊脂(zhi)(zhi)糖凝(ning)(ning)膠(jiao)只需(xu)(xu)8μL至(zhi)(zhi)(zhi)10μL。圖(tu)(tu)4:MIDORIGreen easy(左(zuo))與(yu)(yu)(yu)MIDORIGreen Xtra(右)使(shi)(shi)(shi)(shi)用(yong)(yong)(yong)(yong)藍(lan)(lan)/綠 LED 激發(fa)燈。 MIDORIGreen系列檢(jian)測(ce)(ce)光(guang)(guang)(guang)(guang)譜(pu)與(yu)(yu)(yu)靈(ling)敏度(du)(du) 產品(pin)(pin) 藍(lan)(lan)/綠LED 藍(lan)(lan)LED UV-Light 靈(ling)敏度(du)(du) MIDORIGreen Advance √ √ ? + MIDORIGreen Direct √ √ ? + + MIDORIGreen Xtra √ √ ? + + + MIDORIGreen Easy √ √ √ + + 注: √表示兼容(rong);?表示兼容(rong)但不(bu)推(tui)薦(jian); MIDORIGreen核(he)(he)(he)酸(suan)(suan)(suan)染(ran)(ran)(ran)(ran)(ran)(ran)(ran)料(liao)(liao)(liao)(liao)(liao)系列產品(pin)(pin)列表 貨號 品(pin)(pin)名 規格 MG04 MIDORIGreen Advance 1 ml (25.000x -可染(ran)(ran)(ran)(ran)(ran)(ran)(ran)色(se)(se)(se)(se)(se)(se)(se)25L凝(ning)(ning)膠(jiao)) MG06 MIDORIGreen Direct (含loading buffer) 1 ml (10x conc. -可直(zhi)接(jie)(jie)添(tian)(tian)(tian)加(jia)(jia)樣品(pin)(pin)) MG10 MIDORIGreen Xtra 1 ml (25.000x -可染(ran)(ran)(ran)(ran)(ran)(ran)(ran)色(se)(se)(se)(se)(se)(se)(se)25L凝(ning)(ning)膠(jiao)) MG12 MIDORIGreen Easy 0.4 ml (10.000x -可染(ran)(ran)(ran)(ran)(ran)(ran)(ran)色(se)(se)(se)(se)(se)(se)(se)4L凝(ning)(ning)膠(jiao)) NIPPON Genetics是一家專注于(yu)分子和(he)細胞(bao)(bao)生物學實(shi)驗(yan)(yan)室的(de)(de)(de)(de)(de)(de)(de)尖端產品(pin)(pin)的(de)(de)(de)(de)(de)(de)(de)公(gong)司(si),已通過DIN EN ISO 9001:2015質量(liang)管理體系認證。北京(jing)西(xi)美杰(jie)科技有(you)(you)限公(gong)司(si)是NIPPON Genetics中(zhong)(zhong)國(guo)區(qu)代理,如果(guo)您對(dui)上述產品(pin)(pin)感興趣,歡迎致(zhi)(zhi)電(dian)北京(jing)西(xi)美杰(jie)客服熱線400-050-4006或登(deng)錄網站ljxbs.cn了(le)(le)(le)解更(geng)(geng)(geng)多(duo)(duo)產品(pin)(pin)信(xin)息。 更多>我們的營業時間: 8:30-17:30