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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
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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
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SIGMA現(xiàn)貨,SIGMA代理

SILAC實驗|實驗技術服務

時間:2015/6/2閱讀:434
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關鍵詞:SILAC實驗|實驗技術服務
簡介:世界*品牌SILAC實驗|實驗技術服務原裝,,質量保證,*。
SILAC實驗|實驗技術服務——pCzn1質粒+Arctic Express宿主菌低溫表達體系,。
我們具備豐富的蛋白表達設計經驗及實驗操作技巧,,承諾客戶不成功不收費。在獲得重組蛋白產品的同時,,我們也會提供相應的原始數(shù)據和原始圖片,不需要再額外花費精力重復實驗,。另一方面,我們所有的實驗數(shù)據真實可信,,我們提供原始的表達菌株和克隆質粒,,客戶可以依據我們的實驗報告重復我們的實驗結果。
產品品牌:   http://www.,。,。com/goodsid/fenleiyi/2868603/1.html    
測序實驗流程:
SILAC即細胞培養(yǎng)條件下穩(wěn)定同位素標記技術(Stable isotope labeling with amino acids in cell culture,SILAC),,其基本原理是分別采用含有輕,、中或重型同位素必需氨基酸的培養(yǎng)基培養(yǎng)細胞(用于SILAC的穩(wěn)定同位素氨基酸主要有Lys和Arg),新合成的蛋白質即嵌合了同位素氨基酸,,如此培養(yǎng)5-6代后,,細胞的所有蛋白質均被同位素標記上。經處理因素刺激后,,等量混合各類型蛋白質,,然后經SDS-PAGE分離和質譜分析,通過比較一級質譜圖中同位素峰型的面積大小進行相對定量,,同時二級譜圖對肽段進行序列測定從而鑒定蛋白質,。
    由于SILAC標記技術是體內標記技術,,幾乎不影響細胞的功能,同時靈敏度高,,因此其在蛋白質組學相關領域中得到了廣泛的應用,,如比較蛋白質組學,,蛋白質與蛋白質相互作用,,蛋白質與DNA相互作用,蛋白質與RNA相互作用等領域,。
與體外標記技術相比,,SILAC屬于體內標記,具有以下技術優(yōu)勢
 1,、高通量,,可同時鑒定并定量數(shù)百至數(shù)千種蛋白質;    
 2,、定量,,降低由于樣品制備不同而造成的實驗差異;    
 3,、線性定量范圍廣,;    
 4、靈敏度更高,,蛋白質需要量明顯減少,;
 5、標記采用的是體內標記技術,,更接近樣品真實狀態(tài),。
SILAC技術服務內容
 1、細胞同位素標記,;
 3,、SDS-PAGE分離;
 4,、胰酶酶切后液相分離和質譜分析,;
  5、數(shù)據庫檢索及蛋白質定量分析,;
 6,、差異蛋白的生物信息學分析
 7、實驗報告提交,。
實驗服務報告內容
 1,、蛋白定鑒定和SILAC定量分析結果;  
  2 ,、顧客蛋白質對應的質譜峰圖,;  
  3,、SILAC實驗完整的實驗步驟、使用儀器,、軟件檢索參數(shù)等,。

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