. Author manuscript; available in PMC: 2019 Feb 11.

Published in final edited form as: ACS Chem Biol. 2017 Nov 7;13(7):1844–1852. doi: 10.1021/acschembio.7b00748

Table 1.

Spectral Properties of CXF Copper Probes and Their Ctrl-CXF Control Analogs

	λ_abs/nm	λ_em/nm	ε/10⁴ M⁻¹ cm⁻¹	Φ^a
CF3	510 and 550	557	3.3 and 3.7	0.026
CF3-Cu	534	557	6.9	0.219
Ctrl-CF3	510 and 545	557	4.7 and 4.7	0.007
CCF1	516	608	1.41	0.048
CCF1-Cu	580	608	2.05	0.30
Ctrl-CCF1	506	610	2.33	0.0083
CSF1	568	638	3.00	0.0041
CSF1-Cu	616	639	3.15	0.053
Ctrl-CSF1	531	638	1.99	0.0036
CPF1	569	679	1.76	0.00018
CPF1-Cu	654	680	1.93	0.0020
Ctrl-CPF1	568	674	1.72	0.00043

Cresyl violet in methanol (Φ = 0.54)⁹² was used as a standard.