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上海乾思生物科技有限公司
中級會員 | 第17年

18916423352

細胞庫
優(yōu)勢品牌
Encapsula NanoSciences Quidel Bioporto Salimetrics Research Products International Corp Quanta BioDesign Peninsula Laboratories International Golden West Diagnostics Ocean NanoTech HaemoScan affinitybiologicals Cytodiagnostics Innovagen AB CLIAwaived Svar Abbexa ABMgood AffinityImmuno AGScientific AHF analysentechnik AG Alomone 英國Antibodies AstaTech Avidity Badrilla BioAcademia Biomatik Biosynth BioTeZ Biotrend Calbiotech CaroteNature Cell Sciences Click Chemistry Tools Cohesion Biosciences CordenPharma Cosmo Bio Creative Biomart Crystal Chem Crystalgen Diagnovum DiaMetra Dianova Diatheva Eagle Manufacturing Echelon Biosciences Edgebio Emfret Epoch Life Science Equitech-Bio Eramask Euro Diagnostica Exocell Fine Science Tools GenwayBio Giotto Biotech Glen Research Glycosynth Gold Biotechnology Golden West Biologicals Haemtech(HTI) Herolab IHC WORLD ImmuChrom GmbH Immunostep Immunotools Immunovision INCELL Corporation Innovative Research Innovrsrch(IRA) Insitus Iris Biotech GmbH Isosep IST Engineering Inc J.G. Finneran Kainos Kamiya Biomedical Labor Diagnostika Nord Larodan Laysanbio Lc laboratories Lee BioSolutions LGC Biosearch Technologies Lifecore List Labs lumiprobe Macrocyclics Medix Biochemica Meridian Life Science Microbix Milenia Biotec Moscerdam Mybiosource Nanoimmunotech Nanoprobes Neuro Probe Paratechs Physitemp Polypure Polysciences Probetex Progen ProScience Inc ProSpec QAbio Qorpak Quanta BioSciences QuickZyme RevMAb Biosciences SCHMIDT BioMedTech Seven Hills Foundation Smartox Biotechnology Spherotech Surgimax Swant SYSY Ted Pella Torpac Trilink USBio VIDIA Ltd ViroStat Virusys VP-scientific Xcessbio XENOMETRIX Zeptometrix ZYTOVISION
自產(chǎn)ELISA試劑盒,試劑盒
進口ELISA試劑盒
人細胞,人細胞系,人細胞株
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Western Blotting服務(wù)|實驗技術(shù)服務(wù)

時間:2015/7/1閱讀:220
分享:

關(guān)鍵詞:Western Blotting服務(wù)|實驗技術(shù)服務(wù)
簡介:世界*品牌Western Blotting服務(wù)|實驗技術(shù)服務(wù)原裝,,質(zhì)量保證,*,。
Western Blotting服務(wù)|實驗技術(shù)服務(wù)——pCzn1質(zhì)粒+Arctic Express宿主菌低溫表達體系,。
我們具備豐富的蛋白表達設(shè)計經(jīng)驗及實驗操作技巧,,承諾客戶不成功不收費,。在獲得重組蛋白產(chǎn)品的同時,,我們也會提供相應(yīng)的原始數(shù)據(jù)和原始圖片,不需要再額外花費精力重復(fù)實驗。另一方面,,我們所有的實驗數(shù)據(jù)真實可信,,我們提供原始的表達菌株和克隆質(zhì)粒,客戶可以依據(jù)我們的實驗報告重復(fù)我們的實驗結(jié)果,。
產(chǎn)品品牌:   http://www.。,。com/goodsid/fenleiyi/2868603/1.html    
測序?qū)嶒灹鞒蹋?br>免疫蛋白質(zhì)印跡(Western blotting)是根據(jù)抗原抗體的特異性結(jié)合檢測復(fù)雜樣品中的某種蛋白的方法,。寶賽生物為您提供全套的常規(guī)免疫印記技術(shù)服務(wù),同時本公司采用**的LICOR Odyssey雙色紅外激光成像系統(tǒng)和雙色熒光染料標記的二抗推出高靈敏度的紅外激光免疫印跡服務(wù),。與常規(guī)化學(xué)發(fā)光方法比較,,靈敏度可達到皮克級(pg),還具有雙色成像,、定量,、成像清晰的優(yōu)點。同時具備功能強大的軟件系統(tǒng),,可快速判定樣品分子量大小并進行定量分析,。
1.樣品收集
1)培養(yǎng)的細胞
貼壁和懸浮細胞收集方式不同,細胞裂解液種類各異,,推薦含SDS的凝膠加樣緩沖液裂解,,煮沸即可。
2)動物組織
與細胞不同,,組織塊由于體積較大,,須預(yù)先經(jīng)破碎勻漿處理。
2.樣品定量
樣品電泳前需測定蛋白濃度,,以便保證上樣量一致,,有利于后續(xù)定量或半定量分析。常用的蛋白質(zhì)濃度測定方法有好多種,,其靈敏度和所需時間不同,,且不同的方法會受不同干擾物質(zhì)的影響,實驗者可根據(jù)樣品制備方法(裂解液成分,、去垢劑和還原劑種類等)自行選擇,。
注意事項:
a. 應(yīng)盡量避免引入影響后續(xù)定量的雜蛋白(如細胞培養(yǎng)液、蛋白酶抑制劑等)及其他干擾物質(zhì),;
b. 樣品濃度應(yīng)適中,,1×SDS凝膠加樣緩沖液建議用量:貼壁細胞按10cm2培養(yǎng)皿/0.1ml,,懸浮細胞按5×106細胞/0.1ml比例加入;
c. SDS對蛋白質(zhì)變性和電泳分離至關(guān)重要,,濃度應(yīng)控制在2-10%之間,,并根據(jù)具體需要調(diào)整;
d. 制備好的樣品可以在-20℃保存,,但時間不宜過長,,并避免反復(fù)凍融,否則蛋白會發(fā)生降解,;
e. 內(nèi)參對實驗結(jié)果至關(guān)重要,,應(yīng)選擇合適的內(nèi)參。
Western印跡含一系列步驟,,包括:
?? 用聚丙烯酰胺凝膠分離蛋白樣品,。
?? 將膠上的蛋白轉(zhuǎn)移到膜上。
?? 鑒定膜上特定蛋白,。
主要實驗步驟如下:
1. 蛋白質(zhì)抽提
2. 蛋白質(zhì)定量
3. 變性聚丙烯酰胺不連續(xù)凝膠電泳(SDS-PAGE)
4. 蛋白質(zhì)轉(zhuǎn)移到硝酸纖維膜,;
5. 膜的封閉和一抗抗體孵育;
6. Rockland熒光標記二抗孵育
7. LICOR Odyssey雙色紅外激光成像系統(tǒng)掃描
8. Odyssey軟件數(shù)據(jù)分析
9. 提供實驗報告,,包括詳細的實驗方法及免疫印跡實驗結(jié)果的相關(guān)圖表

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