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產(chǎn)品推薦:FluoroBrite? DMEM培養(yǎng)基

發(fā)布時(shí)間: 2016-01-14

發(fā)布時(shí)間:2016-01-14


活細(xì)胞熒光成像是用于觀察十分重要及生理學(xué)相關(guān)的生物學(xué)事件的一項(xiàng)基本技術(shù)。該技術(shù)面臨的一個(gè)主要挑戰(zhàn)在于,能否在不引起細(xì)胞損傷、光漂白或細(xì)胞健康異常變化的情況下實(shí)現(xiàn)微弱熒光基團(tuán)的清晰成像。為了解決這個(gè)問題,賽默飛世爾公司成功開發(fā)出了FluoroBrite? DMEM,它是一種基于DMEM配方的培養(yǎng)基,其背景熒光與PBS相當(dāng),與標(biāo)準(zhǔn)的不含酚紅的DMEM培養(yǎng)基相比,其背景熒光降低了90%。FluoroBrite? DMEM可提供常規(guī)細(xì)胞培養(yǎng)所需的營(yíng)養(yǎng),與常規(guī)細(xì)胞培養(yǎng)方案一樣,只需在細(xì)胞培養(yǎng)時(shí)加入10%胎牛血清和4 mML-谷氨酰胺或GlutaMAX即可。FluoroBrite? DMEM 增強(qiáng)了熒光基團(tuán)的信噪比,即使是最微弱的熒光也能被觀察到,同時(shí)賦予細(xì)胞健康生長(zhǎng)的環(huán)境。


  • 1.降低熒光背景,從而增強(qiáng)活細(xì)胞成像過程中的熒光信號(hào)

  • 2.以DMEM為基礎(chǔ),在活細(xì)胞成像過程中無需改變細(xì)胞培養(yǎng)環(huán)境,既可以保證細(xì)胞的健康生長(zhǎng),同時(shí)又可以完美實(shí)現(xiàn)活細(xì)胞熒光成像

來自于測(cè)試用戶的評(píng)價(jià):

“簡(jiǎn)而言之,成像過程中所需的曝光時(shí)間更少,對(duì)比度更好,從而使得活細(xì)胞成像結(jié)果明顯改善?!?/span>

--Sylvain Costes (美國(guó)勞倫斯伯克力國(guó)家實(shí)驗(yàn)室)


性能數(shù)據(jù)

Figure 1. FluoroBrite? DMEM has 10% of the background fluorescence emitted by standard phenol red–free DMEM and provides a 9-fold enhancement in signal-to-noise ratio. (A) Images of live epithelial cells that have been labeled with CellLight? Golgi-GFP, BacMam 2.0 (Cat. No. C10592) and cultured in phenol red–free DMEM (Cat. No. 31053) or FluoroBrite? DMEM with 10% fetal bovine serum. Cells in 10X images are co-labeled with CellLight? Actin-RFP, BacMam 2.0 (Cat. No. C10583). Cells in 40X images (inset) are co-labeled with ER-Tracker? Red (BODIPY? TR Glibenclamide; Cat. No. E34250). (B) Fluorescence signal from PBS, FluoroBrite? DMEM, and phenol red–free DMEM at 509 nm in response to excitation at 480 nm. (C) Fluorescent signal from dextran labeled with Alexa Fluor? 488 dye (Cat. No. D22910) over background in PBS, FluoroBrite? DMEM, and phenol red–free DMEM.

Figure 2. Cell lines cultured in FluoroBrite? DMEM and standard DMEM display comparable long-term growth over multiple passages. Graphs display the average viable cell density (solid line; left y axis) and average percent viability (dotted line; right y axis) for three cell lines cultured for several passages in a standard phenol red–free DMEM (Cat. No. 31053) or FluoroBrite? DMEM, both supplemented with 10% fetal bovine serum and and 4 mM GlutaMAX?. Note: the Sp2 suspension cell line was tested for long-term growth in FluoroBrite? DMEM because of its known hypersensitivity to nutrient deficiencies

訂購信息

產(chǎn)品名稱:FluoroBrite? DMEM

規(guī)格:500ml

貨號(hào):A1896701



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