نتایج جستجو برای: hematoporphyrin

تعداد نتایج: 664  

Journal: :Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology 2002
Joakim Andréasson Alexander Kyrychenko Jerker Mårtensson Bo Albinsson

The temperature and viscosity dependence of the triplet energy transfer (TET) process in porphyrin dimers has been studied. A zinc porphyrin (donor) and a free base porphyrin (acceptor) are covalently linked together by rigid bridging chromophores at a center-center distance of 25 A. Due to the large donor-acceptor distance and the weakness of the spin forbidden transitions involved, neither di...

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Journal: :Chemical communications 2012
Julien Warnan Yann Pellegrin Errol Blart Fabrice Odobel

Doping a zinc porphyrin based-sensitizer with antenna molecules, axially held by metallo-supramolecular interactions, enhances the light-harvesting efficiency and the overall photo-conversion efficiency of the solar cells by about 30%.

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Journal: :Chemical communications 2015
Kan Li Li Lin Tianyou Peng Yingying Guo Renjie Li Jing Zhang

Asymmetric zinc porphyrin (ZnPy) was synthesized and used to sensitize nanosized TiO2. The visible-light-driven activity of CO2 photoreduction to generate CO/CH4 in the gas phase was observed from the ZnPy-sensitized TiO2 without loading noble metal, and the mechanism was discussed.

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Journal: :THE JOURNAL OF JAPAN SOCIETY FOR LASER SURGERY AND MEDICINE 1988

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Journal: :Archives of Medical Science - Civilization Diseases 2021

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Journal: :Biochimica et Biophysica Acta (BBA) - Biomembranes 2011

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Journal: :PLoS ONE 2014

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Journal: :Cancer research 1978
T J Dougherty J E Kaufman A Goldfarb K R Weishaupt D Boyle A Mittleman

Administration of hematoporphyrin derivative i.v. followed by local exposure to red light has resulted in complete or partial response in 111 of 113 cutaneous or s.c. malignant lesions. Tumors treated have included carcinomas of the breast, colon, prostate, squamous cell, basal cell, and endometrium; malignant melanoma; mycosis fungoides; chondrosarcoma; and angiosarcoma. No type has been found...

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2013
RAKESH KUMAR SHARMA

In an attempt to overcome resistance of hypoxic cells to radiotherapy, the combination of a hematoporphyrin derivative (Hpd) and 2-deoxy-D-glu'cose (2-DG), a promising radiomodifier, was evaluated by assessing the alterations in phosphorylated metabolites and bioenergetics induced in perfused Ehrlich :lscites tumor (EAT) cells, using Phosphorus31 Magnetic Resonance Spectroscopy (JiP-MRS). By re...

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Journal: :Cancer research 1984
J F Evensen S Sommer J Moan T Christensen

Both 3H-labeled and unlabeled hematoporphyrin derivative (HPD) were analyzed by high-pressure liquid chromatography (HPLC) and gel permeation chromatography. Four main components were isolated by HPLC, and two were isolated by gel permeation chromatography. The tumor-localizing ability of each component was tested and compared to that of 67Ga and 3H2O by injection in mice bearing Lewis lung car...

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