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Article: New data from B. Jain et al illuminate research in photochemistry.
- Article from:
- Chemicals & Chemistry
- Article date:
- August 28, 2009
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"Absorption and emission properties of the amphiphilic photosensitizer Chlorin p(6) were investigated in aqueous medium in the presence of silica nanoparticles (SiNPs) having positively charged amino groups. The results of these studies reveal that the acid-base ionization equilibrium of Chlorin p(6) in aqueous medium is significantly affected as a result of strong electrostatic binding between the negatively charged drug and SiNP," scientists in Indore, India report.
"The spectroscopic signature of the drug bound to SiNPs suggests that the tri-anionic form of the drug remains bound to the positively charged SiNPs at pH 8.0. As the pH is progressively decreased ...
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