Quenchers

QXL® - Protprietary Efficient Quenchers

EDANS/DABCYL and MCA/DNP are used to develop a variety of FRET probes, their short absorption wavelengths and low extinction coefficients have limited their use in the development of sensitive fluorogenic probes. QXL® dyes are great choices for you to eliminate these limitations.

QXL® dyes are excellent dark quenchers that are individually optimized to pair with all of the popular fluorescent dyes such as fluoresceins and rhodamines.

Our line of QXL® cover the full visible spectrum with unusually high efficiency.