Bioactive imidazole derivative absorbs in the UV region at 305 nm. The interaction of imidazole derivative with nanoparticulate WO3, Fe2O3, Fe3O4, CuO, ZrO2 and Al2O3 has been studied by UV-visible absorption, FT-IR and fluorescence spectroscopies. The imidazole derivative adsorbs strongly on the surfaces of nanosemiconductor, the apparent binding constants for the association between nanomater...

Cytomegalovirus infection causes, in contrast to other viral infections, characteristic and specific long-lasting cellular changes (Brzosko and Michalowski, 1956; Medearis, 1957; Nelson and Wyatt, 1959; Seifert and Oehme, 1957). For this reason, histopathological diagnostic investigation is of considerable value (Bardier, Bouissou, Regnier, Martinez, Bezy, and Laplanche, 1964; Fetterman, 1952; ...

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In vertebrate retinal rods, rhodopsin undergoes a conformational change upon absorption of a quantum of light. The primary photoprocess is followed by a transient depolarisation of the outer receptor membrane. It is generally accepted that the depolarisation is due to the closing of Na’channels [l-4]. As the rhodopsin containing inner discs and the plasma membrane of the retinal rods seem to be...

Intermolecular Proton Transfer (PT) dynamics can be best studied by optical spectroscopy, which cover the vast timescale spanned process. PT in a hydrogen bonding complex between pyranine-based photoacid and trialkyl-phosphine oxide is addressed. The photoreaction traced with help of femtosecond transient absorption picosecond-resolved fluorescence. Characteristic kinetics spectra intervening s...