This page is updated frequently with new Sensitizer-related patent applications.
|Resist patterning method, latent resist image forming device, and resist material|
A resist patterning method according to the present invention includes a resist layer forming step, a patterned exposure step, a flood exposure step, and a developing step. In the resist layer forming step, a resist layer containing a base resin, a sensitizer precursor, an acid generator, and a base generator is formed on a substrate.
|Methods and compounds for phototherapy with chalcogenorhodamine photosensitizers|
A method of selectively depleting pathogenic t lymphocytes from a blood cell composition is carried out by (a) combining the cell composition ex vivo with an active compound in an effective amount, and then (b) irradiating the cells with light ex vivo for a time and at an intensity sufficient to selectively kill pathogenic t lymphocytes in said cell composition. Chalcogenorhodamine photosensitizers useful as such active compounds are also described..
The Research Foundation For The State University Of New York
|Dvdms sensitizer for cancer sonodynamic therapy|
A method for treatment of hyperproliferative tissue by injection of and subsequently exposing the hyperproliferative tissue to a frequency of ultrasound. The invention further includes purified bis [1-[6,7-bis [2-(sodium carbonate ethyl]-1,3,5,8,-tetramethyl-2-vinyl-porphin-4-yl]ethyl]ether (dvdms) for use in sonodynamic treatment of hyperproliferative tissue including cancer and further includes a kit including a dosage controllable injection device charged with a biologically compatible fluid containing dvdms..
|Photosensitizer and photoelectric conversion device|
A photosensitizer is a dye represented by the following formula (i) or its salt. In the following chemical formula, m represents an integer of 0 through 4, and n represents an integer of 0 or 1, and p represents an integer of 0 to 2.
|Photodynamic diagnosis, formulations usable as photosensitizers for this purpose, the production and use thereof|
In the early detection of cancer, in particular bladder cancer, a photodynamic diagnosis uses, as a photosensitizer, a formulation that contains sodium hypericinate that is bonded to polyvinylpyrrolidone or complexed with polyvinylpyrrolidone.. .
Sanochemia Pharmazeutika Ag
|Silver formation using stannous alkoxide complexes|
A method for forming an article, comprises providing a stannous alkoxide-containing pattern on a substrate. This stannous alkoxide-containing pattern is obtained from a non-aqueous stannous alkoxide composition that comprises component (a) comprising a water-insoluble stannous alkoxide complex comprising stannous ions, in an amount of at least 1 weight %, and a photocurable component (b), non-photocurable water-insoluble polymer component (c) having a molecular weight of at least 10,000, or both the photocurable component (b) and the non-photocurable water-insoluble polymer component (c).
Eastman Kodak Company
|Non-aqueous compositions and articles using stannous alkoxides|
A non-aqueous stannous alkoxide composition comprises: component (a) comprising a water-insoluble stannous alkoxide complex comprising stannous ions in an amount of at least 1 weight %, and a photocurable component (b), non-photocurable water-insoluble polymer component (c) having a molecular weight of at least 10,000, or both the photocurable component (b) and the non-photocurable water-insoluble polymer component (c). When photocurable component (b) is present, the non-aqueous stannous alkoxide composition further comprises photosensitizer component (d) that is different from all of components (a) through (c), in an amount of at least 1 weight %.
Eastman Kodak Company
|Resist pattern-forming method|
A resist pattern-forming method comprises applying a chemically amplified resist material on a substrate to form a resist film on the substrate. The resist film is patternwise exposed to a radioactive ray having a wavelength of no greater than 250 nm.
|Chemically amplified resist material and resist pattern-forming method|
A chemically amplified resist material comprises: a polymer component that is capable of being made soluble or insoluble in a developer solution by an action of an acid; and a generative component that is capable of generating a radiation-sensitive sensitizer and an acid upon an exposure. The polymer component comprises: a first polymer comprising a first structural unit that comprises a fluorine atom and does not comprise a salt structure; or a second polymer comprising a second structural unit that comprises a fluorine atom and a salt structure.
|Novel photoresist having sensitizer bonded to acid generator|
The present disclosure is directed to a photoresist and a method of performing a lithography process using the photoresist. The photoresist contains a polymer and a photo-acid generator.
Taiwan Semiconductor Manufacturing Company, Ltd.
Silver nanoparticle-enhanced photosensitizers
The present invention relates generally to compositions and methods of killing bacteria using a surface plasmon coupled to a photosensitizer. A nanostructure (10) may include a silver nanoparticle core (12), a mesoporous silica shell (14), and a photosensitizer (16).
University Of Cincinnati
Multifunctional nanoparticle cancer diagnosis and combination therapy
In one aspect, compositions comprising a population of core-shell nanoparticles are described herein. In some cases, the population of core-shell nanoparticles comprises a core component and a shell component encapsulating or surrounding the core component.
Board Of Regents, The University Of Texas System
Resist pattern-forming method and chemically amplified radiation-sensitive resin composition
A resist pattern-forming method comprises applying a chemically amplified radiation-sensitive resin composition on a substrate to form a resist film. The chemically amplified radiation-sensitive resin composition comprises a first component solubility in a developer solution of which is capable of being altered by an action of an acid, a second component that is capable of generating an acid by an action of a first exposure light comprising a radioactive ray having a first wavelength, and a sensitizer precursor to be converted into a sensitizer by an action of the first exposure light.
Actinic ray-curable offset ink composition and printed item obtained therewith
Shown is an actinic ray-curable offset ink composition for foodstuff and pharmaceutical packaging which maintains superior curability without using a photosensitizer, which despite contributing to better curability (high productivity) tends to suffer from significant outward migration. The ink composition also suppresses outward migration of the monomers and photopolymerization initiators, and exhibits favorable adhesion to substrates..
Toyo Ink Co., Ltd.
A pattern-forming method comprises applying a chemically amplified resist material on an antireflective film formed on a substrate to form a resist material film. The resist material film is patternwise exposed to ionizing radiation or nonionizing radiation having a wavelength of no greater than 400 nm.
Tokyo Electron Limited
Chemically amplified resist material, pattern-forming method, compound, and production compound
A pattern-forming method comprises patternwise exposing a predetermined region of a resist material film made from a photosensitive resin composition comprising a chemically amplified resist material to a first radioactive ray that is ionizing radiation or nonionizing radiation having a wavelength of no greater than 400 nm. The resist material film patternwise exposed is floodwise exposed to a second radioactive ray that is nonionizing radiation having a wavelength greater than the wavelength of the nonionizing radiation for the patternwise exposing and greater than 200 nm.
Tokyo Electron Limited
Resist-pattern-forming method and chemically amplified resist material
A resist-pattern-forming method comprises: patternwise exposing a predetermined region of a resist material film to a first radioactive ray that is ionizing radiation or nonionizing radiation; floodwise exposing the resist material film to a second radioactive ray that is nonionizing radiation; baking the resist material film; and developing the resist material film to form a resist pattern. The resist material film is made from a photosensitive resin composition comprising a chemically amplified resist material.
Tokyo Electron Limited
Photodynamic therapy using in situ nonlinear photon upconversion of nir light by biological medium
Photodynamic therapy methods using near infrared light and visible-light-absorbing photosensitizers and methods of generating visible light in an individual. The methods use upconverted incident near infrared light, for example, to excite the photosensitizer or facilitate drug delivery.
The Research Foundation For The State University Of New York
5-aminolevulinic acid conjugated quantum dot nanoparticle
A 5-aminolevulinic acid conjugated quantum dot nanoparticle is useful for treating cancer by administering the 5-aminolevulinic acid conjugated quantum dot nanoparticle in photodynamic therapy as a precursor of both a fluorescence label and a photosensitizer.. .
Nanoco Technologies Ltd.
Alkyne-, azide- and triazole-containing flavonoids as modulators for multidrug resistance in cancers
A triazole bridged flavonoid dimer compound library was efficiently constructed via the cycloaddition reaction of a series of flavonoid-containing azides (az 1-15) and alkynes (ac 1-17). These triazole bridged flavonoid dimers and their precursor alkyne- and azide-containing flavonoids were screened for their ability to modulate multidrug resistance (mdr) in p-gp-overexpressed cell line (lcc6mdr), mrp1-overexpressed cell line (2008/mrp1) and bcrp-overexpressed cell line (hek293/r2 and mcf7-mx100).
Fluorinated photoresist with integrated sensitizer
A method of patterning a device comprises providing on a device substrate a layer of a fluorinated photopolymer comprising at least three distinct repeating units including a first repeating unit having a fluorine-containing group, a second repeating unit having an acid- or alcohol-forming precursor group, and a third repeating unit having a sensitizing dye. The photopolymer has a total fluorine content in a range of 15 to 60% by weight.
Metal particle enhanced forster resonance energy transfer for organic optoelectronic device
A photovoltaic device that includes an organic or quantum dot sensitizer layer for absorbing light spectra and providing excitons. The sensitizer layer may include metal particles embedded therein for increased exciton transfer efficiency.
International Business Machines Corporation
Peptides whose uptake by cells is controllable
A generic structure for the peptides of the present invention includes a-x-b-c, where c is a cargo moiety, the b portion includes basic amino acids, x is a cleavable linker sequence, and the a portion includes acidic amino acids. The intact structure is not significantly taken up by cells; however, upon extracellular cleavage of x, the b-c portion is taken up, delivering the cargo to targeted cells.
The Regents Of The University Of California
Flow-through pathogen reduction
Embodiments are described for reducing pathogens in a fluid. The embodiments may include systems, apparatuses, and methods.
Terumo Bct Biotechnologies, Llc
Systems and methods for treatments of an eye with a photosensitizer
A formulation for an eye treatment includes a photosensitizer and a permeability enhancing composition. The permeability enhancing composition includes one or more permeability enhancers.
Dual-sensitizer-containing luminescent compounds, conjugates, and uses thereof
The invention relates to novel luminescent compositions of matter containing two fluorophores (sensitizers), synthetic methods for making the compositions, macromolecular conjugates of the compositions, and the use of the compositions and their conjugates in various methods of detection. The invention also provides kits containing the compositions and their conjugates for use in the methods of detection..
Rutgers, The State University Of New Jersey
Photopolymerizable liquid composition
The subject matter of the present invention is a photopolymerizable liquid composition comprising at least one epoxidized polybutadiene prepolymer, at least one cationic photoinitiator, and at least one thioxanthone-derived photosensitizer, which can, for example, be in the form of a liquid dressing. The subject matter of the invention is also a process for obtaining a polymerized film from said photopolymerizable liquid composition, characterized in that said composition is applied to tissues such as the skin, the skin appendages or the mucous membranes so as to form a uniform liquid film, and the film thus obtained is subjected to ultraviolet radiation, preferably ultraviolet-visible radiation having a wavelength of between 380 and 405 nm, preferably between 385 and 395 nm..
Centre National De La Recherche Scientifique
Sonosensitizer composition containing titanium oxide nanoparticle as active ingredient, composition for preventing or treating cancer comprising the same, and the preparation thereof
The present invention relates to a sonosensitizer composition containing titanium dioxide nanoparticles as an active ingredient, a composition for preventing or treating cancer containing the same, and a method of preparing the same. The sonosensitizer of the present invention can solve the problem of the conventional photosensitizer, which can be used only when light can reach the target area, and increase the accumulation level of the sonosensitizer of the present invention to a maximum level within a short time, thereby enabling reduction of the time required for treatment and, due to its human-friendly stability, effective use in cancer treatment..
Research & Business Foundation Sungkyunkwan University
Method of altering the refractive properties of an eye
The present invention relates to a method of altering the refractive properties of the eye, the method including forming a pocket in a cornea of an eye of a patient so as to gain access to tissue bounding the pocket; after the pocket in the cornea has been formed, applying a photosensitizer inside the pocket so that the photo sensitizer permeates at least a portion of the tissue bounding the pocket, the photosensitizer facilitating cross-linking of the tissue bounding the pocket; inserting a lens implant into the pocket so as to change the refractive properties of the eye; and irradiating the cornea so as to activate cross-linkers in the portion of the tissue bounding the pocket and thereby stiffen the cornea and prevent corneal ectasia of the cornea.. .
Silicon phthalocyanine complex, preparation method and medicinal application thereof
The present invention relates to a silicon phthalocyanine complex, the preparation method and the medicinal application thereof. The present invention particularly relates to a silicon phthalocyanine complex of formula (i), the preparation method thereof and a pharmaceutical composition comprising the same, as well as the use thereof as a photosensitizer, in particular the use in the treatment of cancers, wherein each substituent in formula (i) is the same as defined in the description..
Shenzhen China Resources Gosun Pharmaceutical Co., Ltd.
Photosensitization chemical-amplification type resist material, forming pattern using same, semiconductor device, mask for lithography, and template for nanoimprinting
A photosensitization chemical-amplification type resist material according to the present invention is used for a two-stage exposure lithography process, and contains (1) a developable base component and (2) a component generating a photosensitizer and an acid through exposure. Among three components consisting of (a) an acid-photosensitizer generator, (b) a photosensitizer precursor, and (c) a photoacid generator, the above component contains only the component (a), any two components, or all of the components (a) to (c)..
(bacterio)chlorophyll photosensitizers for treatment of eye diseases and disorders
An ophthalmic composition is provided, comprising chlorophyll or bacteriochlorophyll compounds for photodynamic treatment (pdt) of diseases, disorders and conditions associated with corneal or scleral anomalies, such as corneal thinning and scleral stretching.. .
Yeda Research And Development Co. Ltd.
Phosphorescent organic light emitting diodes using singlet fission material
An organic light emitting device (oled) is provided. The oled includes, an anode; a cathode; and an emissive layer disposed between the anode and the cathode.
The Regents Of The University Of Michigan
Nanoscale carriers for the delivery or co-delivery of chemotherapeutics, nucleic acids and photosensitizers
Nanoscale coordination polymer nanoparticles for the co-delivery of multiple therapeutic agents are described. The multiple therapeutic agents can include a combination of different chemotherapeutic agents, a combination of one or more chemotherapeutic agents and one or more nucleic acids, such as small interfering rna (sirna) or microrna, a combination of one or more chemotherapeutic agents and a photosensitizer (i.e., for use in photodynamic therapy), or a plurality of different sirnas.
The University Of North Carolina At Chapel Hill
Oxadiazole based photosensitizers for use in dye-sensitive solar cells and photodynamic therapy
An oxadiazole dye for use as an organic photosensitizer. The oxadiazole dye comprising donor-π-spacer-acceptor type portions in which at least one of an oxadiazole isomer acts as a π-conjugated bridge (spacer), a biphenyl unit acts as an electron-donating unit, a carboxyl group act as an electron acceptor group, and a cyano group acts as an anchor group.
King Fahd University Of Petroleum And Minerals
Organic dyes incorporating the oxadiazole moiety for efficient dye-sensitized solar cells
An oxadiazole dye for use as an organic photosensitizer. The oxadiazole dye comprising donor-π-spacer-acceptor type molecules in which at least one of an oxadiazole group acts as a π-conjugated bridge (spacer), a naphthyl unit acts as an electron-donating unit, a carboxyl group act as an electron acceptor group, and a cyano group acts as an anchor group.
King Fahd University Of Petroleum And Minerals
Photovoltaic device comprising porous titanium oxide layer, first hole transport layer, and second hole transport layer
A photovoltaic device according to an aspect of the present disclosure includes a first electrode, a second electrode positioned to face the first electrode, a porous titanium oxide layer on a surface of the first electrode facing the second electrode, a first hole transport layer between the porous titanium oxide layer and the second electrode, and a second hole transport layer between the first hole transport layer and the second electrode. The porous titanium oxide layer contains a porous titanium oxide that supports a photosensitizer.
Direct oxidation of methane to formaldehyde and methanol
A process for the direct oxidation of methane to c1-oxygenates (formaldehyde and methanol) has been developed. The process involves a gas stream, comprising methane, an oxidizing agent (such as air, or oxygen blended with an inert diluent), and a nitrogen oxide as a gas phase sensitizer at oxidation conditions to produce c1-oxygenates, such as formaldehyde and methanol.
Continuous preparation high-purity quadricyclane
The invention discloses a continuous process for producing high-pure quadricyclane, in which “a reaction-rectification integral process” or “a reaction followed by rectification process” may be employed. The two processes both use a novel composite catalyst which is obtained by loading an organic photo-sensitizer on a solid photocatalyst, and the composite catalyst has a high activity and a good stability.
Composite catalyst for the photocatalytic isomerisation of norbornadiene to prepare quadricyclane and process for making the catalyst
The present invention discloses a composite catalyst for the photocatalytic isomerisation of norbornadiene to prepare quadricyclane, comprising: a solid photocatalyst, selected from the group consisting of tio2, ti-mcm-41, ti-sba-15, zno, wo3, ta2o5 or srtio3; and an organic photo-sensitizer loaded on the surface or in the channel of said solid photocatalyst, selected from benzophenone, acetophenone, michler's ketone, tetraethyl michler's ketone, and diethyl michler's ketone, where the organic photo-sensitizer is present in the solid photocatalyst in an amount of 0.5% to 20% by weight. The catalyst of the invention can catalyze a target reaction under the condition that no solvent is used, and the yield of the target product quadricyclane is higher.
Pre-concertation apparatus & method
The present invention relates to concentrating disease causing agents, such as foodborne pathogens, from complex media to expedite their detection. In particular, the present invention relates to a method to pre-concentrate pathogens rapidly, thereby enabling earlier detection times.
Photosensitive dry film compositions
A photosensitive dry film composition includes a hexaarylbiimidazole blend, a photosensitizer that absorbs in the 350 to 410 nm wavelength range and a hydrogen donor. The hexaarylbiimidazole blend includes a hexaarylbiimidazole having a molar extinction coefficient of at least 4,000 in the 350 to 410 nm wavelength range and a hexaarylbiimidazole having a molar extinction coefficient of less than 4,000 in the 350 to 410 nm wavelength range..
E I Du Pont De Nemours And Company
Use of photosensitive molecules and metal complexes as oxygen scavenger elements
An oxygen-scavenging composition for food packaging applications comprising (i) a polymeric resin, (ii) one or more oligomeric photosensitizers, (ill) a metal salt, (iv) a sacrificial oxidizable substrate and optionally (v) additional components is provided.. .
Systems and methods for photoactivating a photosensitizer applied to an eye
An antimicrobial treatment system comprises a wearable photoactivation device. The wearable photoactivation device includes a body configured to be positioned on a head of a subject over one or more eyes of the subject.
Combination of pharmaceutical preparations for tumor chemotherapy
The present invention provides a combination of pharmaceutical preparations for tumor chemotherapy, comprising a cell vesicles preparation with cell vesicles derived from apoptotic tumor cells for sensitizing tumor cells, and a chemotherapy drugs preparation for treating tumors. The combination of pharmaceutical preparations for tumor chemotherapy provided by the present invention uses cell vesicles derived from apoptotic tumor cells as sensitizers of tumor cells, in combination with the chemotherapy drugs preparation for treating tumors, may allow more chemotherapy drugs to enter tumor cells, so as to achieve reversal of drug resistance characteristic of tumor cells, and enhance killing effects of chemotherapy drugs against tumor cells..
Hubei Soundny Biotechnology Co., Ltd.
Method of imaging living tissue
A method of imaging living tissue is provided. The method includes introducing a photoacoustic contrast agent comprising or consisting of a photosensitizer into living tissue; and obtaining an image of the living tissue by photoacoustic imaging.
Agency For Science, Technology And Research
Porphyrin based sensitizer for dye-sensitized solar cell
The present invention relates to compounds of formula (i) based on a porphyrin core and a π-conjugated linker or acceptor introduced between the porphyrin core and an anchoring group having a high absorption coefficient covering the whole uv-visible and near-infrared spectral response, and their use as sensitizer or dye and an electrochemical or optoelectronic device including a compound of the invention.. .
Ecole Polytechnique Federale De Lausanne (epfl)
Soluble graphene nanostructures and assemblies therefrom
Disclosed herein is a method for preparing large soluble graphenes. The method comprises attaching one or more hindering groups to the graphene, which can prevent face-to-face graphene stacking by reducing the effects of inter-graphene attraction.
Indiana University Research And Technology Corporation
Liquid photoreactive composition and fabricating structures
A method of fabricating a structure includes disposing a liquid photoreactive composition on a substrate, exposing a portion of the liquid photoreactive composition to laser light of sufficient intensity and wavelength to cause polymerization via two-photon excitation of the two-photon sensitizer and polymerization of a portion of the liquid photoreactive composition thereby providing an exposed composition; and developing the exposed composition to provide the structure. The liquid composition includes: at least one cationically polymerizable polyepoxide; at least one compound comprising free-radically polymerizable groups; an effective amount of a two-photon photoinitiator system, wherein the weight ratio of component (a) to component (b) is from 25:75 to 75:25, inclusive.
3m Innovative Properties Company
Liquid crystal display device, radiation-sensitive resin composition, interlayer insulating film, producing interlayer insulating film, and manufacturing liquid crystal display device
A liquid crystal display device 1 includes an array substrate 15 and a color filter substrate 90 paired with and disposed facing each other, a liquid crystal layer 10 formed from a polymerizable liquid crystal composition and disposed between the array substrate 15 and the color filter substrate 90, and an interlayer insulating film 52 laminated on a side of the array substrate 15 closer to the liquid crystal layer 10. The interlayer insulating film 52 is produced from a radiation-sensitive resin composition that contains [a] a polymer and [b] a photosensitizer, and has a transmittance of 70% or higher for light having a wavelength of 310 nm at a film thickness of 2 μm..