Results 151 to 160 of about 4,618 (202)

Structure controlled enhanced photocatalytic activity of polyaniline (PANI). [PDF]

open access: yesHeliyon
Rafiq S   +5 more
europepmc   +1 more source

In Situ Preparation of Silver Nanoparticles/Organophilic-Clay/Polyethylene Glycol Nanocomposites for the Reduction of Organic Pollutants. [PDF]

open access: yesPolymers (Basel)
Sardi A   +11 more
europepmc   +1 more source

Kinetic Studies on Hydride Transfer Reactions of Dyes and Leuco Dyes

open access: yesKinetic Studies on Hydride Transfer Reactions of Dyes and Leuco Dyes
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Polymethine Dye Synthesis and Its Leuco Property Investigation

Molecular Crystals and Liquid Crystals, 2007
Polymethine dyes have been synthesized using bis-dimethylaminophenylethylene compound. These dyes can be converted to the colorless leuco form by the treatment with alkali. Interestingly, these leuco dyes showed reversible color formation properties with following acid addition.
Young-A Son   +2 more
exaly   +2 more sources

Radiochromic leuco dye micelle hydrogels: I. Initial investigation

Physics in Medicine and Biology, 2009
This investigation reports the use of surfactants and colorless leuco triarylmethane dyes to form a new class of radiochromic micelle hydrogels for three-dimensional (3D) water-equivalent dosimetry. Gelatin gel samples with several surfactants and leuco dyes were prepared and evaluated for optical transparency, dose sensitivity and diffusion rates. The
Kevin Jordan
exaly   +3 more sources

Radiochromic leuco dye micelle hydrogels: II. Low diffusion rate leuco crystal violet gel

Physics in Medicine and Biology, 2009
Radiation-sensitive hydrogels offer the capability of verifying intricate dose distributions in three-dimensional (3D) space conveniently in a single measurement with sub-millimetre spatial resolution. In this study, a new radiochromic hydrogel called leuco crystal violet (LCV) micelle gel is introduced. Upon irradiation, LCV converts to crystal violet
J J Battista, Kevin Jordan
exaly   +3 more sources

Importance of Solvent Polarity in the Equilibrium Reaction of Leuco Dye and Developer

Chemistry Letters, 2006
Abstract The absorbance of the leuco dye and developer solution system showed a maximum by the change of solvent polarity, and a clear correlation between the ratio of coloring species at the maximum and the dielectric constant of polar solvents has been revealed.
Yumiko Sekiguchi   +3 more
exaly   +2 more sources

Molecular Structures of the Coloring Species of a Leuco Dye with Phenolic Color Developers

Chemistry Letters, 2007
Abstract We have isolated the coloring species of a leuco dye colored by three phenolic color developers and have revealed their molecular structures by X-ray crystallographic analysis for the first time: one leuco dye molecule combined with one developer molecule by the hydrogen bonds between the carboxylate anion of a leuco dye and the
Yumiko Sekiguchi   +3 more
exaly   +2 more sources

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