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Spectral and photophysical properties of the lowest excited triplet state of 4-thiouridine and its 5-halogeno derivatives
Abstract The properties of the lowest excited triplet state (T1) of 2′,3′,5′-tri-O-acetyl-4-thiouridine (TU) and its 5-halogeno substituted derivatives (XTU, X = F, Cl, Br and I) in CCl4 solutionsExpand
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Putative phototautomerization of 4-thiouridine in the S2 excited state revealed by fluorescence study using picosecond laser spectroscopy
Abstract The stationary and dynamic properties of S2 → S0 fluorescence of 2′,3′,5′-tri-O-acetyl-4-thiouridine (TU) in acetonitrile solution at room temperature have been studied. In the emissionExpand
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Long-wavelength iodide-sensitive fluorescent indicators for measurement of functional CFTR expression in cells.
Limitations of available indicators [such as 6-methoxy- N-(3-sulfopropyl)quinolinium (SPQ)] for measurement of intracellular Cl- are their relatively dim fluorescence and need for ultravioletExpand
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Intra- and Intermolecular Electronic Relaxation of the Second Excited Singlet and the Lowest Excited Triplet States of 1,3-Dimethyl-4-thiouracil in Solution¶
Abstract Intramolecular processes of deactivation of 1,3-dimethyl-4-thiouracil (DMTU) from the second excited singlet (S2) (π, π*) and the lowest excited triplet (T1) (π, π*) states have been studiedExpand
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Long-wavelength iodide-sensitive fluorescent indicators for measurement of functional CFTR expression in cells.
Limitations of available indicators [such as 6-methoxy-N-(3-sulfopropyl)quinolinium (SPQ)] for measurement of intracellular Cl(-) are their relatively dim fluorescence and need for ultravioletExpand
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Solvatochromism of a novel betaine dye derived from purine.
A novel solvatochromic betaine dye has been synthesized from xanthosine and characterized spectroscopically by UV-vis in a broad range of solvents. The dyeExpand
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New, ionic side-products in oligonucleotide synthesis: formation and reactivity of fluorescent N-/purin-6-yl/pyridinium salts.
Fluorescent N-/purin-6-yl/pyridinium salts are formed in pyridine assisted phosphorylations and arenesulphonations of the hypoxanthine lactam system under various conditions including those used inExpand
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Salt- and solvent-dependent conformational transitions of ribo-CGCGCG duplex
Abstract The conformational transition of r(CpG)3 was investigated under different chemical conditions. It was found that NaCl at a high concentration induced a partial transformation of the duplexExpand
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Ultrasonic relaxation studies of mixed micelles formed from alcohol-decyltrimethylammonium bromide-water
This paper discusses how ultrasonic relaxation and conductance studies of alcohol (1-pentanol or 1-butanol)-DTAB-water mixed micelles reveal two relaxation frequencies related to the exchange ofExpand
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Ground-state complexes between polar solvents and 1-methylindole: the origin of the stokes' shift in their fluorescence spectra
Abstract In iso-octane solutions containing small concentrations of the polar solvents butanol or ethyl acetate, a ground-state complex between the solute 1-methylindole and the polar solvent isExpand
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