詳細(xì)介紹
flexcell FX-6000T基底硬度細(xì)胞應(yīng)力刺激加載系統(tǒng)
2D/3D細(xì)胞或組織靜態(tài)或動態(tài)牽張等邊軸或單軸向牽張應(yīng)變加載和實時觀察
新增不用基底硬度牽張
FX-5000 Tension 系統(tǒng)組成部分:
• 一臺預(yù)裝FlexSoft®FX-5000細(xì)胞力學(xué)加載分析軟件的計算機(jī)
• 一臺FX5K™牽張拉伸應(yīng)力加載控制傳導(dǎo)儀
• 一個BioFlex真空腔應(yīng)力加載基板,四個密封墊片
• 一套BioFlex直徑為25mm的BioFlex應(yīng)力加載平臺
• 四塊BioFlex 膠原蛋白1型包被細(xì)胞培養(yǎng)板
• 一個干燥過濾器
• 一對濾水器
• 一卷25英尺藍(lán)色Flex In鏈接管(6.4毫米外徑)
• 一卷25英尺無色Flex Out鏈接管(9.5毫米外徑)
• 一卷25英尺牽張拉伸泵鏈接藍(lán)管(9.5毫米外徑)
• 一瓶硅膠潤滑油
• 一臺儲壓穩(wěn)壓儀
• 一臺真空負(fù)壓牽張拉伸泵
牽張顯微附屬設(shè)備
倒置、正置即可
適用樣品:細(xì)胞或者組織(2D、3D)
軸向:二維等邊軸、二維單軸向、三維等邊軸、三維單軸向、三維梯形牽張
牽張模式:真空動力抻拉培養(yǎng)板彈性柔性基底膜或3D水凝膠包埋的細(xì)胞
實時觀察:StageFlexer顯微附屬設(shè)備可在顯微鏡下觀察牽張作用下反應(yīng)
方便對照:可控制同一塊培養(yǎng)板部分孔細(xì)胞受力與否
多組牽張條件作用對照:可同時運行多個不同壓力大小、不同頻率
不同加載周期程序,方便多組牽張條件對比;
軟件精準(zhǔn)調(diào)控:對牽張加載周期、張應(yīng)變大小、頻率、波形智能調(diào)控
牽張范圍:0 - 33%
牽張頻率:0.01- 5 Hz
細(xì)胞量大,便于后期分析:系統(tǒng)牽張傳導(dǎo)儀支持4塊6孔
(每孔1.2* 105個細(xì)胞)或24孔牽張板,可同時兼容4個獨立
的FlexLink牽張加載傳導(dǎo)儀 ,獨立操作四個不同的實驗程序
支持任何波形種類:如更好地控制在超低或超高應(yīng)力下形:
●彈性模量范圍1-80kPa
●可選多孔板、60mm和100mm培養(yǎng)板
●BioFlex® CellSoft標(biāo)準(zhǔn)6孔板
●在柔性基底上牽拉細(xì)胞
●腔室載玻片CellSoft
●表面蛋白包被,無菌單獨包裝
CellSoft培養(yǎng)板有很多不同的種類,如不同的硬度,不同的孔板,用于顯微觀察的腔室載玻片(圓形多孔板),共價包被CollagenI或其他蛋白,可對細(xì)胞進(jìn)行靜態(tài)或動態(tài)牽拉應(yīng)力刺激。更重要的一點,新型的CellSoft培養(yǎng)板可以反復(fù)胰酶消化和再接種細(xì)胞,蛋白包被的表面可以重復(fù)使用多達(dá)三次。
可以用標(biāo)準(zhǔn)或倒置顯微鏡進(jìn)行10-40倍觀察細(xì)胞牽張拉伸變化和反應(yīng)
CellSoft™ Soft Substrate References
Key References:
Buxboim et al., How deeply do cells feel:methods for thin gels. J Phys Condens matter. 22: 1-19, 2010.
Chodhury et al., Soft substrates promote homogeneous self-renewal of embryonic stem cells via down regulating cell-matrix tractions. PLOS 1 5: 1-10, 2010.
Engle et al., Matrix elasticity directs stem cell lineage specification. Cell 126: 677-689, 2006.
Hirata and Yamaoka. Effect of stem cell niche elasticity/ECM protein on the self-beating cardiomyocyte differentiation of iPS cells at different stages. Acta Biomat. 65: 44-52, 2018
Megone et al., Impact of surface adhesion and sample heterogeneity on the multiscale mechanical characterization of soft biomaterials. Sci Rep 8: 6780, 2018.
Ou et al., Visualizing mechanical modulation of nanoscale organization of cell-matrix adhesions. Integr. Biol. 8: 795-804,2016.
Palchesko et al., Development of polydimethylsiloxane substrates with tunable elastic modulus to study cell mechanobiology in muscle and nerve. PLOS 1 7: 1-13, 2012
Smith et al., Mechanosensing of matrix by stem cells: from matrix heterogeneity, contractility and the nucleus in pore-migration to cardiogenesis and muscle stem cells in vivo. Sem Cell Devtbio. 71: 84-98, 2017
Solon et al., Fibroblast adaptation andstiffness matching to soft elastic substrates. Biophys J. 93: 4453-4461, 2007.
Thomas et al., Measuring the mechanical properties of living cells using atomic force microscopy. J Visual Exp. 76:1-8, 2013.
Vertelov et al., Rigidity of silicone substrates controls cell spreading and stem cell differentiation. Sci Rep. 6:1-10, 2016.