Viscosity Sensitive Dyes

SETA BioMedicals proprietary fluorescent viscosity probes for biomedical imaging and sensing applications combine good solubility in water and aqueous buffers, high photostability, a large Stokes' shift and absorption and emission wavelengths in the visible range.

 

			Excitation Light Sources												Characteristics						Characteristics
Product Number (Specs Sheet)	Product Name (Product Info)	Target Group	380	405	436	488	532	594	635	650	680	700	750	780	Medium	λ abs [nm]	ε [M –1 cm–1]	λ em [nm]	QY [%]	FLT [ns]	Medium	λ abs [nm]	ε [M–1 cm–1]	λ em [nm]	QY [%]	FLT [ns]	Buy
K8-3002 K8-3002	Seta-470-NHS Seta-470-NHS	NH2		•	•	•									water	469	50,000	521	1.9		BSA, D/P=1	469	50,000	515	28
K8-3010 K8-3010	Square-460 Square-460		•	•	•	•									PB 7.4	467	50,000	515	0.9		Glycerol	470	50,100	515	43
K8-3003 K8-3003	Seta-470-Maleimide Seta-470-Maleimide	SH		•	•	•									Water	469	50,000	521	1.9		BSA, D/P=1	469	50,000	515	28

Seta-470-NHS (K8-3002) has been used to distinguish the rheological states of hydrogels and carriers in biological tissues [31].

 

SETA BioMedicals fluorescent molecular rotors exhibit high sensitivity as well as a large dynamic range in both the lifetime and intensity modes. They are available in reactive (NHS-ester and maleimide) and non-reactive formats.