Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Letitia, Voicu"'
Autor:
Ruxandra Angela, Pascu, Benone, Carstocea, Letitia, Voicu, Felicia, Ungureanu, Doina, Gazdaru, Marin, Trifu, Marius, Dumitrescu, Jacques, Barbe, Simona, Buliga
Publikováno v:
Oftalmologia (Bucharest, Romania : 1990). 50(1)
The purpose of this paper is to study the effects of some alkyl-phenyl-pyridinium compounds (which are in fact cytostatics) on the pseudotumoral tissues after their exposure to optical UV- vis beams.
Autor:
Mihail Lucian, Pascu, Mihail, Brezeanu, Letitia, Voicu, Angela, Staicu, Benone, Carstocea, Ruxandra Angela, Pascu
Publikováno v:
In vivo (Athens, Greece). 19(1)
5-FU exhibits a high fluorescence after irradiation with UV-vis light. An enhancement of the cytostatic activity of 5-FU under UV-vis irradiation was observed on an in vivo experimental model.
Autor:
Mihail Lucian, Pascu, Angela, Staicu, Letitia, Voicu, Mihail, Brezeanu, Benone, Carstocea, Ruxandra, Pascu, Doina, Gazdaru
Publikováno v:
Anticancer research. 24(5A)
The absorption, excitation and emission spectra of methotrexate (MTX) solutions in natural saline water and sodium hydroxide at 10(-4)-10(-5) MpH=8.4 were measured, while they were exposed to coherent and uncoherent visible and near ultraviolet (UV)
Autor:
Mihail Brezeanu, Benone Carstocea, Letitia Voicu, Mihail Lucian Pascu, Doina Gazdaru, Adriana Smarandache
Publikováno v:
SPIE Proceedings.
Besides the biochemical action of methotrexate (MTX) and 5-fluorouracil (FU) their effect in destroying cancer tumours could be enhanced by exposure to light at different doses. Absorption, excitation and emission spectra of 10-4M - 10-5M MTX solutio
Autor:
Letitia Voicu, Mihail Lucian Pascu, Ruxandra Angela Pascu, Mihail Brezeanu, Doina Gazdaru, Angela Staicu, Benone Carstocea
Publikováno v:
SPIE Proceedings.
Hydroxypyrimidine 5-fluorouracil (5-FU) belongs to the cytostatics group known as antimetabolites. The effect of UV irradiation on 5-FU was investigated by absorption and fluorescence spectroscopy. The study of the photosensitizer properties of 5-FU
Autor:
Angela Staicu, Sorina Truica, Mihaela Oana Pascu, Letitia Voicu, Alina Radu, Mironel Enescu, Ioan Mogos, Mihail Lucian Pascu, Doina Gazdaru
Publikováno v:
SPIE Proceedings.
A spectroscopical characterization of methotrexate, cytostatic drug used frequently in cancer therapy, was performed. The absorption, emission and excitation spectra were measured for methotrexate solutions in natural saline and sodium hydroxide at c
Autor:
Mihail Lucian Pascu, Ioan Mogos, S. Gazdaru, Alina Radu, Sorina Truica, Mironel Enescu, Doina Gazdaru, Letitia Voicu, Angela Staicu
Publikováno v:
ROMOPTO 2000: Sixth Conference on Optics.
The effect of UV irradiation of methotrexate was investigated by steady state absorption and fluorescence spectroscopy. Major modifications on absorption bands were detected upon irradiation fluence greater than 59J/cm2. In addition the irradiated so
Autor:
Letitia Voicu, Mihail Lucian Pascu, T. Negoita, G. Manolescu, N. Moise, Adriana-Loredana A. Smarandache
Publikováno v:
ROMOPTO '97: Fifth Conference on Optics.
Pesticides monitoring at low concentrations using optical absorption, laser induced fluorescence (LIF), fluorescence lifetime measurements and gas chromatography are reported. The studied pesticides were chlortriasines (athrasine, propasine and simas
Publikováno v:
SPIE Proceedings.
The light self-diffraction in the case of the high modulated phase gratings induced in semiconductor materials is studied by solving numerically the set of the coupled wave equations, which were used previously for gratings produced by linear phenome
Publikováno v:
SPIE Proceedings.
The interaction of CO 2 laser radiation with mixtures of silane and molybdenum hexacarbonyl (vapor) results in solid Si/C/O/Mo material and various gaseous compounds (mainly CO). The XPS, SEM and IR spectral analysis of the deposit pointed out an org