Table 1. The oligonucleotides used in this work.

Entry	Abbreviation	Sequence	Extinction coefficient [L·mol−1·cm−1]	Structure
1	Hum24	5′-(TTAGGG)4	244600	G-quadruplex
2	M3Q	5′- GA(GGGA)3GAGGGA	222500	G-quadruplex
3	KRAS	5′-AGGGCGGTGTGGGAAGAGGGAAGAGGGGGAGG	341000	G-quadruplex
4	Oxy28	5′-(GGGGTTTT)3GGGG	262000	G-quadruplex
5	AT	5′-(AT)6	133300	Duplex
6	GC	5′-(GC)6	101100	Duplex
7	LD	5′-GCGCAATTGCGC	108700	Duplex
8	CtDNA			Duplex
9	ssDNA1	5′-GAGCTCTCGAAAGAGCT CCGATTA	235800	Single-stranded
10	ssDNA2	5′-TAGAGCACACCTGTCCG TG	189400	Single-stranded