常用荧光染料的激发和发射波长 Fluorescent Dye (荧光染料) Excitation (激发波长, nm ) Emission (发射波长, nm ) Cy2 489 506 GFP(Red Shifted) 488 507 YO-PRO -1 491 509 YOYO -1 491 509 Calcein 494 517 FITC 494 518 FluorX 494 519 Alexa 488 490 520 Rhodamine 110 496 520 ABI,5-FAM ...