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基于 LED 的光源已逐渐广泛应用于荧光成像。但在大多数成像系统的配置中,因为用户仍在使用传统的为汞灯和氙灯设计的滤光片组, LED 光源的潜能尚未得到完全的发挥。
对于这些传统的宽带光源,新型 LED 光源的光谱信号和能量分布有显著的不同。 因此,用于新型 LED 光源的传统滤光片组可能没法提供好的性能。 Semrock 针对当今市场上的 LED 光源,配合其独特的光谱峰值,研发生产了适用于 LED 光源的滤光片组。 这些滤光片组既传递明亮的信号,同时又提供高的信噪比,可广泛用于一系列荧光蛋白的成像。
Semrock 巧妙设计了基于 LED 光源的滤光片组,单带通和对应的多带通滤光片组都使用通用的激发滤光片,简化了在光源端的滤光片的安装工作。 这样的好处是不但提供了单色和多色滤光片组的切换,也显著的降低了客户的成本。
BrightLine® 单带 LED 滤光片组 | |||
滤光片组 / 推荐荧光染剂 | 激发 (中间波长/带宽) | 发射 (中间波长/带宽) | 分色 (边缘) |
LED-DAPI-A DAPI, Alexa Fluor® 405, BFP, Pacific Blue™ |
392/23 | 447/60 | 409 nm |
LED-CFP-A CFP (ECFP), Cerulean, SYTOX Blue, TagCFP |
438/24 | 483/32 | 458 nm |
LED-mTFP-A mTFP1(Teal), CFP (ECFP), ATTO 425, TagCFP |
442/42 | 494/34 | 470 nm |
LED-FITC-A FITC (Fluorescein), GFP (EGFP), Cy2™, 5-FAM |
474/27 | 525/45 | 495 nm |
LED-YFP-A YFP (EYFP), Venus, Fluo-3, Rhodamine 123 |
509/22 | 544/24 | 526 nm |
LED-Venus-A Venus, YFP (EYFP), Alexa Fluor® 405, 6-JOE |
513/13 | 544/24 | 526 nm |
LED-TRITC-A TRITC, SpectrumOrange, dTomato, mTangerine |
554/23 | 609/54 | 573 nm |
LED-mCherry-A mCherry, TexasRed, mKate, mRFP1 |
578/21 | 641/75 | 596 nm |
LED-Cy5-A Cy5™, Alexa Fluor® 647, APC |
635/18 | 680/42 | 652 nm |
LED-Cy7-A Cy7™, Alexa Fluor® 750, ATTO 740, DiR |
735/28 | 809/81 | 757 nm |
BrightLine® 多带 LED 滤光片组 – 单一或多个激发片,单一或多个发射片,多色二向色镜分光片 | |||
滤光片组 / 推荐荧光染剂 | 激发 (中间波长/带宽) | 发射 (中间波长/带宽) | 分色 (边缘) |
LED-DA/FI/TX-A (三带全多带) 蓝: DAPI, BFP, Alexa Fluor® 405 绿: FITC (Fluorescein), GFP (EGFP), Alexa Fluor® 488 红: Texas Red, mCherry, 5-ROX |
378/52 474/27 575/25 |
432/36 523/46 702/196 |
409 nm 493 nm 596 nm |
LED-CFP/YFP/mCherry-A (三带全多带) 青: CFP (ECFP), Cerulean, SYTOX Blue, TagCFP 黄: YFP (EYFP), Venus, Fluo-3, Rhodamine 123 红: mCherry, TexasRed, mKate, mRFP1 |
438/24 509/22 578/21 |
475/22 543/22 702/197 |
459 nm 526 nm 596 nm |
LED-DA/FI/TR/Cy5-A (四带全多带) Blue: DAPI, BFP, Alexa Fluor® 405 Green: FITC (Fluorescein), GFP (EGFP), Alexa Fluor® 488 Orange: TRITC, DsRed, dTomato, mRFP Red: Cy5™, APC, Alexa Fluor® 647 |
378/50 474/27 554/23 635/18 |
432/36 515/30 595/31 730/139 |
409 nm 493 nm 573 nm 652 nm |
LED-DA/FI/TR/Cy5/Cy7-A (五带全多带) Blue: DAPI, BFP, Alexa Fluor® 405 Green: FITC (Fluorescein), GFP (EGFP), Alexa Fluor® 488 Orange: TRITC, DsRed, dTomato, mRFP Red: Cy5™, APC, Alexa Fluor® 647 Far Red: Cy7™, DiR, Alexa Fluor® 750 |
378/50 474/27 554/23 635/18 735/26 |
432/36 515/30 595/31 681/40 809/80 |
409 nm 493 nm 573 nm 652 nm 759 nm |
LED-DA/FI/TX-3X-A (三带 Pinkel
滤光片组) Blue: DAPI, BFP (EBFP), Alexa Fluor® 405 Green: FITC (Fluorescein), GFP (EGFP), Cy2™ Red: Texas Red, mCherry 5-ROX |
Ex1: 392/23 Ex2: 474/27 Ex3: 575/25 |
432/36 523/46 702/196 |
409 nm 493 nm 596 nm |
LED-CFP/YFP/mCherry-3X-A (三带
Pinkel 滤光片组) Cyan: CFP (ECFP), Cerulean, SYTOX Blue, TagCFP Yellow: YFP (EYFP), Venus, Fluo-3, Rhodamine 123 Red: mCherry, TexasRed, mKate, mRFP1 |
Ex1: 438/24 Ex2: 509/22 Ex3: 578/21 |
475/22 543/22 702/197 |
459 nm 526 nm 596 nm |
LED-DA/FI/TR/Cy5-4X-A (Quad-band Pinkel
Multiband) Blue: DAPI, BFP (EBFP), Alexa Fluor® 405 Green: FITC (Fluorescein), GFP (EGFP), Alexa Fluor® 488 Orange: TRITC, DsRed, dTomato, mRFP Red: Cy5™, APC, Alexa Fluor® 647 |
Ex1: 392/23 Ex2: 474/27 Ex3: 554/23 Ex4: 635/18 |
432/36 515/30 595/31 730/139 |
409 nm 493 nm 573 nm 652 nm |
LED-DA/FI/TX-3X3M-A (Triple-band Sedat
Multiband) Blue: DAPI, BFP (EBFP), Alexa Fluor® 405 Green: FITC (Fluorescein), GFP (EGFP), Cy2™ Red: TexasRed, mCherry 5-ROX |
Ex1: 392/23 Ex2: 474/27 Ex3: 575/25 |
Em1: 433/24 Em2: 525/45 Em3: 641/75 |
409 nm 493 nm 596 nm |
LED-CFP/YFP/mCherry-3X3M-A (Triple-band
Sedat Multiband) Cyan: CFP (ECFP), Cerulean, SYTOX Blue, TagCFP Yellow: YFP (EYFP), Eosin, Fluo-3, Rhodamine 123 Red: mCherry, TexasRed, mKate, mRFP1 |
Ex1: 438/24 Ex2: 509/22 Ex3: 578/21 |
Em1: 482/25 Em2: 544/24 Em3: 641/75 |
459 nm 526 nm 596 nm |
LED-DA/FI/TR/Cy5-4X4M-A (Quad-band Sedat
Multiband) Blue: DAPI, BFP (EBFP), Alexa Fluor® 405 Green: FITC (Fluorescein), GFP (EGFP), Alexa Fluor® 488 Orange: TRITC, DsRed, dTomato, mRFP Red: Cy5™, APC, Alexa Fluor® 647 |
Ex1: 392/23 Ex2: 474/27 Ex3: 554/23 Ex4: 635/18 |
Em1: 433/24 Em2: 520/35 Em3: 600/37 Em4: 680/42 |
409 nm 493 nm 573 nm 652 nm |