Photodynamic therapy is a revolutionary treatment aimed at treating cancers without surgery or chemotherapy. It is based on the discovery that certain chemicals known as photosensitizing agents (e.g. porphyrins, phthalocyanines, etc.) can kill cancerous cells when exposed to low level laser light at a specific wavelength.
A novel glass matrix doped with phthalocyanine or naphthalocyanine is prepared by a modified sol-gel technique. The photophysical and optical limiting properties of the phthalocyanine compounds both in glass matrix and in THF solution were investigated. The obtained glass matrix is homogeneous and transparent, as well as mechanically and thermodynamically stable enough to withstand very high ...
A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using a single line of chemical element symbols and numbers.
Gallium phthalocyanine halide crystals wherein a part of the crystals are changed into hydroxygallium phthalocyanine is disclosed. A method for preparing gallium phthalocyanine halide crystals wherein gallium phthalocyanine halide crystals are brought into contact with water and a part of the crystals are changed into hydroxygallium phthalocyanine is also disclosed.
The gallium phthalocyanines were then added at a partial concentration of ∼10 g/L, and were also sonically agitated until a completely dissolved, homogeneous solution was formed. Solid-state films samples of freshly dissolved Pc/polymer solutions were formed on quartz glass substrates, using multi-layer conventional spin casting.
Nov 10, 1998· The gallium phthalocyanine synthesized using gallium trialkoxide, as described in JP-A-6-73299 can also be used. Furthermore, halogenated phthalocyanines, in which the phthalocyanine ring is halogenated, are produced depending on the production method, and these halogenated gallium phthalocyanines may be used in the present invention.
Strong Optical Limiting of Soluble Axially Substituted Gallium and Indium Phthalocyanines ... Xiaodong Zhuang, W.J. Blau, Enhancement of optical limiting response by embedding gallium phthalocyanine into polymer host, Journal of Photochemistry and Photobiology A: Chemistry, 2007, 189, 2-3, 414CrossRef;
Gallium(III) Phthalocyanine Hydroxide is generally immediately available in most volumes. High purity, submicron and nanopowder forms may be considered. Hydroxide, the OH- anion composed of an oxygen atom bonded to a hydrogen atom, is commonly present in nature and is one of the most widely studied molecules in physical chemistry.
Mechanism of photosensitized oxidation of tyrosine by gallium or zinc phthalocyanine in homogeneous and aqueous micellar media. Zhang XF(1), Xu HJ. Author information: (1)Institute of Photographic Chemistry, Academia Sinica, Beijing, China.
Issue in Honor of Prof. Jim Coxon ARKIVOC 2006 (iii) 77-96 Synthesis of axially substituted gallium, indium and thallium phthalocyanines with nonlinear optical properties
When the gallium phthalocyanine crystal according to the present invention is used as a charge-generating substance, the substance can be mixed with any other charge-generating substance before use. In this case, the content of the gallium phthalocyanine crystal is preferably 50 mass % or more with respect to all charge-generating substances.
The octacarboxyl gallium (GaPcC) and metal-free (H2PcC) phthalocyanines were prepared using the carboxyl as the peripheral substituent. The carboxylation improves the intracellular delivery of ...
The photo-oxidation of hydroquinone to benzoquinone at thin-film monomeric silicon phthalocyanine and chloro-gallium phthalocyanine electrodes has been studied using the …
gallium or indium phthalocyanines have not been reported before, even though a lot of work has been done already on the nonlinear optical parameters of other GaPc and InPc complexes [11, 15–18]. Very recently nonlinear optical parameters of octasubstituted gallium and
Crystal structure analysis of two compounds, hydroxygallium phthalocyanine type XI and chlorogallium phthalocyanine type II, made by Rietveld analysis, clarified that the molecules are stacked in pairs.
The purpose of the present work is to investigate molecular orbital of gallium phthalocyanine (GaPc) dimer and fullerene which is a good electronic accepter, …
gallium phthalocyanine compound, and image bearing member, image forming method, image forming apparatus, and process cartridge using the gallium phthalocyanine compound
The octacarboxyl gallium (GaPcC) and metal-free (H2PcC) phthalocyanines were prepared using the carboxyl as the peripheral substituent. The carboxylation improves the intracellular delivery of these two PcCs into KB and QGY cancer cells as compared to that of sulfonated aluminum phthalocyanines ...
Method of producing gallium phthalocyanine crystal and method of producing electrophotographic photosensitive member using the method of producing gallium Live Chat Novel gallium(III) phthalocyanine derivativesSynthesis
Gallium trichloride is the chemical compound with the formula GaCl 3. Solid gallium trichloride exists as a dimer with the formula Ga 2 Cl 6 .  It is colourless and soluble in virtually all solvents, even alkanes, which is truly unusual for a metal halide.
Mar 12, 2009· A gallium phthalocyanine crystal has a peak of spectral absorption spectrum within a wavelength range of from about 760 nm to about 773 nm or within a wavelength range of from about 790 nm to about 809 nm.
The present invention is a gallium phthalocyanine dimer crystal having a novel crystal form, and to a method of manufacturing the same, also, an electrophotographic photoreceptor using the phthalocyanine dimer crystallization, more image forming method using the electrophotographic photoreceptor, image forming to an apparatus and an image ...
Thus, the present work studied the cellular uptake and in vitro photodynamic effect of three different metal-based phthalocyanines: gallium (III) phthalocyanine chloride, indium (III) phthalocyanine chloride and iron (III) phthalocyanine chloride using lung carcinoma cells (A549).
Semiconductor molecular films based on a gallium phthalocyanine chloride (GaPcCl) and a bidentate amine were prepared by using vacuum thermal evaporation and electrochemical techniques in order to investigate the preferred conduction paths within the films. Scanning Electron Microscopy (SEM) and Atomic Force Microscopy (AFM) were employed to characterize the morphology of the films.
Gallium (atomic symbol: Ga, atomic number: 31) is a Block P, Group 13, Period 4 element with an atomic weight of 69.723.The number of electrons in each of Gallium's shells is 2, 8, 18, 3 and its electron configuration is [Ar] 3d 10 4s 2 4p 1.
Search results for Gallium(III) chloride at Sigma-Aldrich
The synthesis, ﬂuorescence behaviour and singlet oxygen studies of new water-soluble cationic gallium(III) phthalocyanines Mahmut Durmus a,b, Tebello Nyokong a,* a Department of Chemistry, Rhodes University, ... gallium phthalocyanine is known in the literature [11,12],
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