For bacterial colonies, it works fine.
>This won't work because of blue light reflectance will overrun green
>fluorescence. You still need an emission filter.
>>>I would like to check if anyone has tried to identify colonies of stably
>>transfected mammalian cells by naked-eye examination, using EGFP as a
>>reporter gene. Does anyone know if there is a commercial supplier of a
>>blue-light transilluminator that might be useful for this? Thank you for