Table 5.2 Properties of six different caging groups.

Caging Group Uncaging Rate * Photolysis Quantum Yield * Inertness of Photolysis By-product Confers Water Solubility Long-Wavelength Absorption
(≥360 nm)
CNB+++++++++++++++++++++
NPE++++++++++++
DMNPE+++++++++++++++
DMNB++++++++++++++
CMNB++++++++++++++
NP++++++++++
+++++ = Optimal response. + = Poor response. * Both the structure of the nitrobenzyl moiety and the atom to which it is attached have some effect on the efficiency and wavelength required for uncaging.
For Research Use Only. Not for use in diagnostic procedures.