KU dyes offer fluorescent probes and custom synthesis services. KU dyes probes come in three flavours: advanced probes for tomorrows fluorescence applications, standard probes for todays application, and special probes for unique fluorescent technology. KU dyes specialises in long fluorescence lifetime dyes that gives unique advantages in polarisation and time-resolved applications. These probes come in all the flavours commonly used, and special kits or derivatives are available upon request. KU dyes operate with a high degree of documenation, ready to meet the requirements for in vivo applications and biotechnological production.