Oborotova N.A. – TechConnect Briefs

Preliminary studies of new photosensitizer for photodynamic treatment of melanoma based on nanostructural forms of Bacteriochlorin p N-alkoxycycloimide alkoxyoxyme methyl ester

Meerovich G.A., Meerovich I.G., Meerovich G.A., Meerovich I.G., Grin M.A., Pozdeyev V.I., Tsiprovskij A.G., Oborotova N.A., Loschenov V.B., Yu.Baryshnikov A., Mironov A.F., A.M. Prokhorov General Physics Institute of RAS, RU

This work is devoted to investigation of Bacteriochlorin p N-alkoxycycloimide alkoxyoxyme methyl ester which possesses its absorption band at 795-800 nm. We have estimated the applicability of PDT with this photosensitizer to treat melanoma. We [...]

Contrasting agent for magnetic resonance imaging based on nanostructural dispersion of Manganese derivative of phthalocyanine: preliminary investigation results

Meerovich G.A., Meerovich I.G., Meerovich G.A., Meerovich I.G., Dolotova O.V., Uchevatkin A.A., Yu. Saveliev O., Yu.Baryshnikov A., Andronova N.V., Oborotova N.A., Kaliya O.L., Pirogov Yu.A., Vorozhtsov G.N., Yu.Baryshnikov A., N.N. Blokhin Russian Cancer Research Center or RAMS, RU

Contrast agents (CA) are used to increase tumor contrasting in magnetic resonance imaging (MRI). The work is devoted to estimation of Manganese chloride tetra-3-phenylthio-tetra-5-tert-buthylphthalocyanine [3-(PhS)4-5-(t-Bu)4PcMnCl] as potential CA for MRI. We have developed the micellar [...]

Preparation and investigation of biological activity of thermosensitive liposomes loaded with doxorubicin

Tazina E.V., Polozkova A.V., Orlova O.L., Ignatieva E.V., Mescherikova V.V., Wainson A., Yarmonenko S.P., Oborotova N.A., N.N.Blokhin Russian Cancer Research Center of RAMS, RU

Purpose: Preparation of thermoliposomes with doxorubicin and investigation of their effect on solid Ehrlich carcinoma and B-16 mouse melanoma in combination with hyperthermia. Materials and methods: Thermosensitive liposomes were prepared using DPPC, DSPC, DSPE-PEG 2000 [...]

Influence of liposome size on accumulation in tumor and therapeutic efficiency of liposomal near-IR photosensitizer for PDT based on aluminum hydroxide tetra-3-phenylthiophthalocyanine

Meerovich G.A., Meerovich I.G., Meerovich G.A., Meerovich I.G., Pevgov V.G., Lukyanets E.A., Oborotova N.A., Gurevich D.G., Zorin A.A., Derkacheva V.M., Smirnova Z.S., Loschenov V.B., Vorozhtsov G.N., Baryshnikov A.Yu., A.M. Prokhorov General Physics Institute of RAS, RU

Size of nanoparticles is considered to be the one of main factors determining the efficiency of nanostructural antitumor drugs. Current work was performed to estimate the influence of liposomal size distribution on level and selectivity [...]

New efficient nanostructural near-IR photosensitizer for photodynamic therapy of malignancies based on micellar dispersion of zinc octa-4,5-decylthio-3,6-chloro-phthalocyanine

Meerovich G.A., Meerovich I.G., Meerovich G.A., Meerovich I.G., Lukyanets E.A., Negrimovsky V.M., Barkanova S.V., Zorin A.A., Umnova L.V., Oborotova N.A., Loschenov V.B., Vorozhtsov G.N., Baryshnikov A.Yu., N.N.Blokhin Russian Cancer Research Center of RAMS, RU

The work is devoted to investigation of new nanostructural photosensitizer on a base of zinc octa-4,5-decylthio-3,6-chloro-phthalocyanine solubilized in micellar dispersion. Photosensitizer possesses its absorption maximum at about 730 nm and can be considered promising for [...]