Fluorescent dimers of rhodamine 6G in concentrated ethylene glycol solution

Bojarski, Piotr; Matczuk, A; Bojarski, C.; Kawski, A.; Kukliński, B.; Żurkowska, Grażyna; Diehl, H.

doi:10.1016/0301-0104(96)00141-3

Cited by 84 publications

(122 citation statements)

References 42 publications

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“…2C. Two different absorption peaks are observed around 500 nm and 530 nm, which are assigned H-type and J-type dimers, respectively [30][31]. Nevertheless, it is obvious that the amount of J-type dimers is higher than that of H-type dimers even at highest concentration in electrospun films.…”

Section: Resultsmentioning

confidence: 77%

Aggregation states of rhodamine 6G in electrospun nanofibrous films

Wang

Yang

Sun

et al. 2010

Journal of Colloid and Interface Science

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Section: Resultsmentioning

confidence: 77%

Aggregation states of rhodamine 6G in electrospun nanofibrous films

Wang

Yang

Sun

et al. 2010

Journal of Colloid and Interface Science

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“…This effect has been confirmed experimentally in inodel donor-acceptor systems [9][10][11][12][13] as well as in monomer-fluorescent dimer systems [14][15][16]. In those systems it modifies significantly the concentration courses of luminescent observables, but it is relatively weak as compared to the forward transfer and energy migration.…”

Section: Introductionmentioning

confidence: 73%

Excitation Energy Transport between the Ionic Forms of Rhodamine B in Viscous Solutions

Bojarski

Kułak

1998

Acta Phys. Pol. A

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Excitation energy transport between zwitterion and cationic form of rhodamine B in glycerol-ethanol mixture is studied. Concentration course of the quantum yield exhibits a rapid drop at intermediate concentrations, where no dimers are formed contrary to the results of measurements carried out for solutions with a trace amount of acid or base in which single ionic forms are adopted. To describe properly such concentration behavior of the quantum yield forward and reverse, nonradiative excitation energy transport between the forms is considered. This task is performed by comparing experimental data with Monte-Carlo simulations.

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“…4b). The SPCE intensity at 580 nm is greater than at 610 nm, confirming the greater concentration of monomers over dimers (J band) [34]. Hence, the presence of PDDA, while increasing the overall amount of the captured protein almost five times, also promotes dye aggregation.…”

Section: Resultsmentioning

confidence: 91%

Studies of Surface-Adsorbed Fluorescently Labeled Casein and Concanavalin A Using Surface Plasmon-Coupled Emission

2010

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We report the use of surface plasmon-coupled emission (SPCE) as an analytical tool to study the photophysics of surface-adsorbed fluorescently labeled proteins. The study uses plasma etching of PMMA surface followed by deposition of poly(diallyldimethylammonium chloride) (PDDA) for surface protein detection. PDDA increases the overall amount of the captured protein and also promotes dye aggregation. The photon-sorting properties of the SPCE process allows for wavelength separation of the individual components from the protein-dye aggregates. This has been exploited to study the fluorescence emissions from casein labeled with fluorescein isothiocyanate and concanavalin A labeled with tetramethylrhodamine. Based on the current findings, the proteins can be used to measure background fluorescence or to monitor the microenvironments in fluoroimmunoassays on SPCE substrates.

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Fluorescent dimers of rhodamine 6G in concentrated ethylene glycol solution

Cited by 84 publications

References 42 publications

Aggregation states of rhodamine 6G in electrospun nanofibrous films

Aggregation states of rhodamine 6G in electrospun nanofibrous films

Excitation Energy Transport between the Ionic Forms of Rhodamine B in Viscous Solutions

Studies of Surface-Adsorbed Fluorescently Labeled Casein and Concanavalin A Using Surface Plasmon-Coupled Emission

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