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goldbio

時間:2016/9/2閱讀:531
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關(guān)鍵詞:goldbio
簡介:我公司全國總代理goldbio活體成像試劑,熒光素酶,D-Luciferin,華東地區(qū)代理goldbio活體成像試劑,熒光素酶,D-Luciferin專業(yè)經(jīng)營進口胎牛血清、細(xì)胞因子,、ELISA試劑盒、細(xì)胞,、抗體,、生物試劑,、耗材,、培養(yǎng)基,、一抗、二抗,、其產(chǎn)品吸附均勻,,吸附性好,空白值低,,孔底透明度高,代做ELISA實驗等,。
全國總代理活體成像試劑,熒光素酶,D-Luciferin,華東地區(qū)代理活體成像試劑,熒光素酶,D-Luciferin產(chǎn)品涉及分子生物學(xué),、細(xì)胞生物學(xué),、細(xì)菌學(xué)、遺傳學(xué),、免疫學(xué),、生物化學(xué)、蛋白質(zhì)學(xué),、細(xì)胞治療,、臨床應(yīng)用等領(lǐng)域。全國總代理活體成像試劑,熒光素酶,D-Luciferin,華東地區(qū)代理活體成像試劑,熒光素酶,D-Luciferin范圍內(nèi)免費快遞運輸,,如出現(xiàn)運輸質(zhì)量問題,,我們可以包退換貨。所有這些產(chǎn)品均具有*的純度和高超的品質(zhì),。完善的庫存及供應(yīng)體系以及穩(wěn)定的純化技術(shù),,保證產(chǎn)品均能現(xiàn)貨供應(yīng)和產(chǎn)品質(zhì)量的穩(wěn)定性。
公司簡介:   
美國Gold Biotechnology公司是由Paul Gold博士創(chuàng)立于1986年,,其旨在為實驗室研究人員提供低成本高品質(zhì)的產(chǎn)品,。由于我們低廉的價格和對客戶的恪守承諾,GoldBio得到了世界各地的研究人員的支持,。多年來,,我們的客戶已表示對我們公司繼續(xù)提供低價格產(chǎn)品的承諾很有信心。Goldbio提供1500多種分子生物學(xué)級產(chǎn)品,,同時具有一個活躍的分子生物學(xué)研究與發(fā)展計劃,,旨在為您的研究開發(fā)新產(chǎn)品。
背景:活體成像技術(shù)(optical in vivo imaging)目前主要采用生物發(fā)光(bioluminescence)與熒光(fluorescence)兩種技術(shù),,生物發(fā)光法是基于熒光素酶能催化底物(D-Luciferin或Coelenterazine)化學(xué)發(fā)光的原理,,將體外能穩(wěn)定表達熒光素酶的細(xì)胞株植入動物體內(nèi),與后期注射入體內(nèi)的底物發(fā)生反應(yīng)利用光學(xué)系統(tǒng)檢測光強度,,間接反映出細(xì)胞數(shù)量的變化或細(xì)胞的定位,。這項技術(shù)已被廣泛應(yīng)用于多個領(lǐng)域,zui常用的有腫瘤或疾病動物模型的建立,,并可用于病毒學(xué)研究,、siRNA研究、干細(xì)胞研究,、蛋白質(zhì)相互作用研究等,。
原理:常見的熒光素酶有兩種,分別是螢火蟲熒光素酶(firefly luciferase,,編碼基因是luc)和海腎熒光素酶(Renilla luciferase,,編碼基因是Rluc),前者的底物是D-Luciferin,后者的底物是Coelenterazine,。它們共同的作用原理是在ATP和熒光素酶的催化作用下,,底物被氧化發(fā)光(不同底物光的顏色和波長不同),當(dāng)?shù)孜镞^量時,,產(chǎn)生的光量子數(shù)與熒光素酶的濃度呈正相關(guān)性,。
產(chǎn)品:化學(xué)發(fā)光底物1:D-Luciferin美國Goldbio公司提供幾種常用類型的D-Luciferin,每批試劑都經(jīng)過嚴(yán)格的質(zhì)量驗證 (經(jīng)9次獨立的HPLC和FTIR標(biāo)準(zhǔn)法監(jiān)測)和發(fā)光效率檢測,,確??蛻裘看卧囼灥母咧貜?fù)性和成功性。所有產(chǎn)品都可用于體內(nèi)成像分析和體外化學(xué)發(fā)光檢測實驗,。Goldbio的D-Luciferin是合成的螢火蟲熒光素,,結(jié)構(gòu)與promega公司提供的甲蟲熒光素一致,是水溶性的螢火蟲熒光素酶底物,。DLuciferin, Sodium Salt/ D熒光素鈉鹽分子式:NaC11H7N2O3S2·H2O,。  

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