. Author manuscript; available in PMC: 2015 Jun 3.

Published in final edited form as: IEEE J Sel Top Quantum Electron. 2013 Sep 24;20(3):6801214. doi: 10.1109/JSTQE.2013.2280997

Table II.

Overview of USF contrast agents based on polymer NPs

		λ_ex & λ_em (nm)	I_On/I_Off	τ_On/τ_Off & τ_On (ns)	T_th (° C)	T_BW (° C)	Reference	Label No.
DBD (donor)	@PNIPAM NPs, encapsulated	470 & 560lp	~4	~3.3 & ~6	35	~5	This work	4.1

	@P(NIPAM-AAm 86:14) NPs, encapsulated	470 & 560lp	~3.5	~2.2 & ~3.8	42	~9	This work	4.2

	@P(NIPAM-TBAm 185:15) NPs, encapsulated	470 & 560lp	~3.7	~3.6 & ~7.2	31	~5	This work	4.3

	@P(NIPAM-AH 86:14) NPs, encapsulated	470 & 560lp	~3	~2.6 & ~5.3	33	~8	This work	4.4

Red dyes (acceptor)	@PNIPAM NPs, encapsulated, St700	630 & 711/25	~0.7	~0.7 & ~1.2	36	~9	This work	5.1

	@PNIPAM NPs, encapsulated, Sq660	609 & 711/25	~3.3	~1.3 & ~2.9	35	~5	This work	5.2

FRET	DBD-ED@ P(NIPAM- AH 86:14) NPs-Sq660	470 & 711/25	~6.9	~1.4 & ~3.42	35	~7	This work	6.1

	P(NIPAM-AAc 200:1) NPs~DBD-ED~Sq660a	470 & 711/25	~5.3	~3.3 & ~6	35	~5	This work	6.2

	P(NIPAM-TBAm-AAc 185:15:1) NPs~DBD- ED~Sq660a	470 & 711/25	~6.5	~2.7 & ~5.2	33	~9	This work	6.3

	P(NIPAM-AAc 200:1) NPs~ST425~Sq660a	456 & 711/25	~7	~1.7 & ~5.3	36	~4	This work	6.4