Nitrogen, Other Than As Nitro Or Nitroso, Attached Directly Or Indirectly To The Acridine Ring System By Nonionic Bonding Patents (Class 546/104)
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Patent number: 9862684Abstract: Disclosed herein inter alia are compositions and methods useful in the treatment of diseases, for example pain, neurodegeneration, or mood disorders, and for modulating the activity of a K2P channel.Type: GrantFiled: July 31, 2015Date of Patent: January 9, 2018Assignee: The Regents of the University of CaliforniaInventors: Daniel L. Minor, Jr., Sviatoslav N. Bagriantsev, Adam R. Renslo
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Patent number: 9040553Abstract: The present invention provides a process for the synthesis of substituted phenoxymethylpropionic acid and related compounds. The compounds are useful for inhibiting the formation of AGEs (Advanced Glycation End Products).Type: GrantFiled: July 11, 2013Date of Patent: May 26, 2015Assignee: CELL VIABLE CORPORATIONInventors: Iraj Lalezari, Jill Fabricant
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Publication number: 20150060803Abstract: An organic compound with characteristics excelling in hole-injecting/transporting performance and having an electron blocking ability, a highly stable thin-film state, and excellent heat resistance is provided as material for an organic electroluminescent device of high efficiency and high durability, and the organic electroluminescent device of high efficiency and high durability is provided using this compound. The compound of a general formula (Chemical Formula 1) having an acridan ring structure is used as a constituent material of at least one organic layer in the organic electroluminescent device that includes a pair of electrodes and one or more organic layers sandwiched between the pair of electrodes.Type: ApplicationFiled: April 4, 2013Publication date: March 5, 2015Inventors: Norimasa Yokoyama, Makoto Nagaoka, Daizou Kanda, Naoaki Kabasawa, Shuichi Hayashi
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Publication number: 20150048351Abstract: An organic compound with characteristics excelling in hole-injecting/transporting performance and having an electron blocking ability, a highly stable thin-film state, and excellent heat resistance is provided as material for an organic electroluminescent device of high efficiency and high durability, and the organic electroluminescent device of high efficiency and high durability is provided using this compound. The compound of a general formula (Chemical Formula 1) having a substituted acridan ring structure is used as a constituent material of at least one organic layer in the organic electroluminescent device that includes a pair of electrodes and one or more organic layers sandwiched between the pair of electrodes.Type: ApplicationFiled: August 29, 2014Publication date: February 19, 2015Inventors: Norimasa Yokoyama, Makoto Nagaoka, Naoaki Kabasawa, Eiji Takahashi
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Patent number: 8937121Abstract: A condensed heterocyclic compound which is shown by the following formula (I) and a composition containing an (a) organic material and (b) at least one type of the condensed heterocyclic compound are provided. (Y indicates a chemical single bond, —S(?O)—, or —SO2—. Ra and Rb indicate substitutable C1 to C30 organic groups. Za and Zb indicate chemical single bonds or —SO2—. X1 and X2 indicate hydrogen atoms etc. n and m respectively independently indicate integers of 0 to 2, where one of n and m is not 0).Type: GrantFiled: January 28, 2011Date of Patent: January 20, 2015Assignee: Zeon CorporationInventors: Kei Sakamoto, Satoshi Kiriki, Tomonori Ogawa, Masanobu Shinohara
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Publication number: 20140350045Abstract: The present invention provides a process for the synthesis of substituted phenoxymethylpropionic acid and related compounds. The compounds are useful for inhibiting the formation of AGEs (Advanced Glycation End Products).Type: ApplicationFiled: July 11, 2013Publication date: November 27, 2014Inventors: IRAJ LALEZARI, JILL FABRICANT
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Publication number: 20140295575Abstract: Hydrophilic, chemiluminescent acridinium compounds containing zwitterions are disclosed. These acridinium compounds, when used as chemiluminescent labels in immunochemistry assays and the like, exhibit decreased non-specific binding to solid phases and provide increased assay sensitivity.Type: ApplicationFiled: June 11, 2014Publication date: October 2, 2014Applicant: SIEMENS HEALTHCARE DIAGNOSTICS INC.Inventors: Anand Natrajan, David Sharpe, Qingping Jiang
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Publication number: 20140243313Abstract: The invention disclosed herein is direct to compounds of Formula I and pharmaceutically acceptable salts thereof, which are useful in treating neurodegenerative diseases and promoting the generation or survival of neurons in the mammalian brain. The invention also comprises pharmaceutical compositions comprising a therapeutically effective amount of compound of Formula I or a pharmaceutically acceptable salt thereof. The invention disclosed herein is also directed to a method of promoting the generation or survival of neurons in a patient in need thereof in neurodegenerative and related diseases.Type: ApplicationFiled: September 19, 2012Publication date: August 28, 2014Inventors: Austin Chih-Yu Chen, Jill Melissa Baccei, Brian Andrew Stearns, Nicholas Simon Stock, Yen Pham Truong
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Publication number: 20140162980Abstract: The present invention provides compounds of formula (I) wherein G1, G2, G3, G4, G5, G6, Y1, Y2, Y3, Y4, Y5 and Y6 and p and q are as defined in the claims. The invention further relates to compositions which comprise these compounds and to their use in agriculture or horticulture for controlling or preventing infestation of plants by phytopathogenic microorganisms, preferably fungi.Type: ApplicationFiled: July 28, 2011Publication date: June 12, 2014Applicant: SYNGENTA CROP PROTECTION LLCInventors: Daniel Stierli, Kurt Nebel, Werner Zambach, Andrea Bortolato
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Publication number: 20140155592Abstract: An arylamine compound is represented by Formula 1. where R, X, Y, and n are further defined.Type: ApplicationFiled: November 27, 2013Publication date: June 5, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventor: Ichinori TAKADA
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Publication number: 20140142300Abstract: An organic electroluminescence (EL) material and an organic EL device, the organic EL material being represented by Formula 1, below:Type: ApplicationFiled: November 19, 2013Publication date: May 22, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventor: Hiroaki ITOI
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Publication number: 20140124756Abstract: A compound having an indolocarbazole ring structure is represented by the following general formula (1), and is used as a material for forming a highly efficient and highly durable organic electroluminescent device. The compound features excellent hole injection/transport capability, has electron blocking power and is highly stable in the form of a thin film. wherein, A is a divalent aromatic hydrocarbon group or aromatic heterocyclic group, Ar1 to Ar4 are monovalent aromatic hydrocarbon groups or aromatic heterocyclic groups, and R1 to R9 are hydrogen atoms, deuterium atoms, fluorine atoms, chlorine atoms, cyano groups, nitro groups, alkyl groups, cycloalkyl groups, alkenyl groups, alkyloxy groups, cycloalkyloxy groups, aromatic hydrocarbon groups, aromatic heterocyclic groups or aryloxy groups.Type: ApplicationFiled: February 14, 2012Publication date: May 8, 2014Applicant: HODOGAYA CHEMICAL CO., LTD.Inventors: Norimasa Yokoyama, Makoto Nagaoka, Sawa Izumi, Hiroshi Ookuma, Shuichi Hayashi
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Publication number: 20140042425Abstract: An organic compound with characteristics excelling in hole-injecting/transporting performance and having an electron blocking ability, a highly stable thin-film state, and excellent heat resistance is provided as material for an organic electroluminescent device of high efficiency and high durability, and the organic electroluminescent device of high efficiency and high durability is provided using this compound. The compound of a general formula (Chemical Formula 1) having a substituted acridan ring structure is used as a constituent material of at least one organic layer in the organic electroluminescent device that includes a pair of electrodes and one or more organic layers sandwiched between the pair of electrodes.Type: ApplicationFiled: April 24, 2012Publication date: February 13, 2014Applicant: HODOGAYA CHEMICAL CO., LTD.Inventors: Norimasa Yokoyama, Makoto Nagaoka, Naoaki Kabasawa, Eiji Takahashi
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Publication number: 20140027755Abstract: The present invention relates to an electronic device comprising one or more compounds of a formula (I) or (II). Furthermore, the invention encompasses the use of a compound of the formula (I) or (II) in an electronic device, and the provision of certain compounds of the formula (I) or (II).Type: ApplicationFiled: March 15, 2012Publication date: January 30, 2014Applicant: Merck Patent GmbH Patents & Scientific InformationInventors: Teresa Mujica-Fernaud, Christof Pflumm, Irina Martynova
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Publication number: 20130299793Abstract: Provided is a 9,10-dihydroacridine derivative represented by the following Formula (I): The 9,10-dihydroacridine derivative can be used as a hole transport material or an emission material of an organic light emitting device. An organic light emitting device comprising the 9,10-dihydroacridine derivative is also provided and has an improved optical performance.Type: ApplicationFiled: May 8, 2013Publication date: November 14, 2013Applicant: NICHEM FINE TECHNOLOGY COMPANY LIMTEDInventors: Chi-Chung CHEN, Shwu-Ju SHIEH
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Patent number: 8569502Abstract: Quaternary nitrogen heterocyclic boronic acid-containing compounds are described, which are sensitive to glucose and fructose, as well as a variety of other physiologically important analytes, such as aqueous chloride and iodide, and a method of using the compounds. Also disclosed is a contact lens doped with the quaternary nitrogen heterocyclic boronic acid-containing compound, and a method of using the doped contact lens to measure the concentration of analyte in tears under physiological conditions.Type: GrantFiled: December 24, 2012Date of Patent: October 29, 2013Inventors: Chris D. Geddes, Ramachandram Badugu, Joseph R. Lakowicz
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Publication number: 20130193382Abstract: The present invention relates to compounds of the formula (I) and to the use thereof in electronic devices. The invention furthermore relates to electronic devices, preferably organic electroluminescent devices (OLEDs), comprising one or more com-pounds of the formula (I). The invention again furthermore relates to the preparation of compounds of the formula (I) and to formulations comprising one or more compounds of the formula (I).Type: ApplicationFiled: September 6, 2011Publication date: August 1, 2013Applicant: MERCK PATENT GmbHInventors: Arne Buesing, Thomas Eberle, Irina Martynova, Teresa Mujica-Fernaud
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Publication number: 20130137694Abstract: There is provided modulators of Nrf2 protein which comprises a compound which binds at least one of the BTB domain, IVR domain and Kelch domain of Keap1 protein, activating or inhibiting Nrf2. There is also provided pharmaceutical compositions containing the modulators, as well as uses and method of use of the modulators for the treatment of conditions.Type: ApplicationFiled: May 31, 2011Publication date: May 30, 2013Inventors: Gerald Batist, Jian Hui Wu
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Publication number: 20130102627Abstract: The present disclosure is directed to compounds of Formula I: which are inhibitors of Haspin kinase and DYRK kinases. The compounds of the present disclosure, and compositions thereof, are useful in the treatment of disease related to Haspin kinase and DYRK kinase expression and/or activity.Type: ApplicationFiled: April 8, 2011Publication date: April 25, 2013Applicant: THE BRIGHAM AND WOMEN'S HOSPITAL, INC.Inventors: Jonathan Higgins, Gregory D. Cuny, Marcie Glicksman, Debasis Patnaik, Maxime Robin, Ross L. Stein, Jun Xian
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Publication number: 20130101684Abstract: The present invention provides edible compositions comprising a compound of the present invention, food products comprising such edible compositions and methods of preparing such food products. The present invention also provides methods of reducing the amount of NaCl in a food product, methods of reducing the sodium intake in a diet, and methods of reducing bitter taste in a food product.Type: ApplicationFiled: April 15, 2011Publication date: April 25, 2013Applicant: Chromocell CorporationInventors: Jane V. Leland, Louise Slade, David Hayashi, William P. Jones, Peter H. Brown, Joseph Gunnet, Daniel Lavery, Jessica Langer, Kambiz Shekdar
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Publication number: 20130075715Abstract: An organic compound with characteristics excelling in hole-injecting/transporting performance and having an electron blocking ability, a highly stable thin-film state, and excellent heat resistance is provided as material for an organic electroluminescent device of high efficiency and high durability, and the organic electroluminescent device of high efficiency and high durability is provided using this compound. The compound of a general formula (Chemical Formula 1) having a substituted acridan ring structure is used as a constituent material of at least one organic layer in the organic electroluminescent device that includes a pair of electrodes and one or more organic layers sandwiched between the pair of electrodes.Type: ApplicationFiled: June 3, 2011Publication date: March 28, 2013Applicant: HODOGAYA CHEMICAL CO., LTD.Inventors: Norimasa Yokoyama, Makoto Nagaoka, Naoaki Kabasawa, Eiji Takahashi
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Publication number: 20130023521Abstract: The present invention concerns the discovery of new selective inhibitors of ubiquitin specific proteases, their process of preparation and their therapeutic use.Type: ApplicationFiled: January 17, 2011Publication date: January 24, 2013Applicant: HYBRIGENICS SAInventors: Roman Lopez, Frederic Colland
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Publication number: 20120273766Abstract: An aromatic heterocyclic derivative represented by the following formula (1), a material for an organic electroluminescence device and an organic electroluminescence device including these:Type: ApplicationFiled: October 7, 2011Publication date: November 1, 2012Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Tomoki Kato, Kazuki Nishimura
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Publication number: 20120251491Abstract: The present invention relates to novel Fused Tricyclic Aryl Compounds, compositions comprising at least one Fused Tricyclic Aryl Compound, and methods of using the Fused Tricyclic Aryl Compounds for treating or preventing HCV infection in a patient.Type: ApplicationFiled: May 12, 2010Publication date: October 4, 2012Inventors: Stuart B. Rosenblum, Kevin X. Chen, Joseph A. Kozlowski, F. George Njoroge, Craig A. Coburn
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Patent number: 8278326Abstract: Inhibitors of Protein Phosphatase-1 have been shown to slow replication of HIV-1. Inhibitors of PP 1 and their use for treatment or prevention of HIV-1 infections are disclosed.Type: GrantFiled: April 15, 2009Date of Patent: October 2, 2012Assignee: Howard UniversityInventors: Sergei Nekhai, Dmytro Borysovich Kovalskyy
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Publication number: 20120231459Abstract: A novel method is disclosed for simultaneous detection and quantification of two or more nucleic acid targets, without need for amplification. The method depends on spectral-temporal resolution of chemiluminescence emitted from independent hybridization-induced chemiluminescent signal (HICS) probes. The utility of this method has been demonstrated by use of resolvable N-linked acridinium and 2,7-dimethoxyacridinium ester labeled probes in a homogeneous assay for sensitive and simultaneous independent quantification of several bacterial and fungal target sequences. Compositions and kits for practicing the method of the present invention are also disclosed.Type: ApplicationFiled: April 12, 2012Publication date: September 13, 2012Applicant: GEN-PROBE INCORPORATEDInventors: Kenneth A. BROWNE, Ian WEEKS
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Publication number: 20120225497Abstract: Hydrophilic, chemiluminescent acridinium compounds containing zwitterions are disclosed. These acridinium compounds, when used as chemiluminescent labels in immunochemistry assays and the like, exhibit decreased non-specific binding to solid phases and provide increased assay sensitivity.Type: ApplicationFiled: November 12, 2010Publication date: September 6, 2012Applicant: SIEMENS HEALTHCARE DIAGNOSTICS INC.Inventors: Anand Natrajan, David Sharpe, Qingping Jiang
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Publication number: 20120181524Abstract: A nitrogen-containing aromatic heterocyclic derivative represented by the following formula, wherein X1 to X3 are a single bond, CRaRb, NRc, an oxygen atom or a sulfur atom, and when all of X1 to X3 is a single bond, at least one of Ara, Arb and Arc is an aryl group having 6 to 20 ring carbon atoms substituted with a heteroaryl group, an aryloxy group or a heteroaryloxy group, or a substituted or unsubstituted heteroaryl group having 5 to 20 ring atoms.Type: ApplicationFiled: August 24, 2011Publication date: July 19, 2012Applicant: Idemitsu Kosan Co., Ltd.Inventors: Tomoki Kato, Kazuki Nishimura, Chishio Hosokawa, Masaki Numata, Hideaki Nagashima
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Publication number: 20120168730Abstract: Disclosed are an acridine derivative and an organic electro-luminescence device including the same. Specifically, the disclosed acridine derivative compound has an aryl moiety or a heteroaryl moiety, linked to an acridine moiety and an amine moiety, and the disclosed organic electro-luminescence device including the acridine derivative compound requires a low operating voltage, shows high efficiency, and is enhanced in life-span.Type: ApplicationFiled: June 1, 2010Publication date: July 5, 2012Applicant: DOOSAN CORPORATIONInventors: Tae-Hyung Kim, Kyoung-Soo Kim
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Publication number: 20120129837Abstract: Chemical agents, such as disulfonamide derivatives of fluorene, anthracene, xanthene, dibenzosuberone and acridine, and similar heterocyclic ring structures, including salts thereof, that act as anti-cancer and anti-tumor agents, especially where such agents modulate the activity of the Wnt/?-catenin signaling pathway, and serve to reduce ?-catenin levels present in cells, such as cancer cells, or where the agents modulate levels of gene expression in cellular systems, including cancer cells, are disclosed, along with methods for preparing such agents, as well as pharmaceutical compositions containing such agents as active ingredients and methods of using these as therapeutic agents.Type: ApplicationFiled: January 30, 2012Publication date: May 24, 2012Inventors: Wieslaw M. Cholody, Yi Zang, Norman E. Ohler, Sheela Chellappan, Janak Padia, Karina Zuck, Jeffrey W.H. Watthey, Zoe Ohler, Jeffrey Strovel
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Publication number: 20120080585Abstract: To provide a photoelectric conversion element capable of functioning as a photoelectric conversion element when a compound having a specific structure is applied to the photoelectric conversion element, causing the element to exhibit a low dark current, and reducing the range of increase in the dark current even when the element is heat-treated, and an imaging device equipped with such a photoelectric conversion element. A photoelectric conversion element having a photoelectric conversion film which is sandwiched between a transparent electrically conductive film and an electrically conductive film and contains a photoelectric conversion layer and an electron blocking layer, wherein the electron blocking layer contains a compound having, as a substituent, a substituted amino group containing three or more ring structures.Type: ApplicationFiled: June 3, 2010Publication date: April 5, 2012Applicant: FUJIFILM CORPORATIONInventors: Eiji Fukuzaki, Kimiatsu Nomura
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Publication number: 20120071502Abstract: The present invention provides a process for the synthesis of substituted phenoxymethylpropionic acid and related compounds. The compounds are useful for inhibiting the formation of AGEs (Advanced Glycation End Products).Type: ApplicationFiled: September 13, 2011Publication date: March 22, 2012Applicant: CELL VIABLE CORPORATIONInventors: Iraj Lalezari, Jill Fabricant
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Patent number: 8110562Abstract: This invention provides nuclear hormone receptor binding compounds, compositions comprising the same and methods of uses thereof in treating a variety of diseases or conditions in a subject, including, inter-alia, prostate cancer and/or diseases or disorders of bone and muscle.Type: GrantFiled: July 19, 2007Date of Patent: February 7, 2012Assignees: University of Tennessee Research Foundation, The Ohio State University Research FoundationInventors: James T. Dalton, Duane D. Miller, Igor Rakov, Casey Bohl, Michael L. Mohler
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Patent number: 8057990Abstract: The present invention provides a medicament for preventing/treating cancer, comprising a tacrine compound, or a compound promoting the binding between the tacrine compound and a protein comprising the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO: 1.Type: GrantFiled: March 7, 2006Date of Patent: November 15, 2011Assignee: Takeda Pharmaceutical Company LimitedInventors: Masaaki Mori, Kimiko Kanehashi
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Publication number: 20110266533Abstract: The present invention relates to compounds of the formula (1) and to the use thereof in organic electronic devices, and to organic electronic devices which comprise compounds of the formula (1), preferably as hole-transport materials and/or as emitting materials.Type: ApplicationFiled: December 22, 2009Publication date: November 3, 2011Applicant: Merck Patent GmbHInventors: Arne Buesing, Holger Heil, Philipp Stoessel, Amir Hossain Parham, Rocco Fortte, Jonas Valentin Kroeber
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Publication number: 20110250699Abstract: The present teachings generally relate to fluorescent dyes, linkable forms of fluorescent dyes, energy transfer dyes, reagents labeled with fluorescent dyes and uses thereof.Type: ApplicationFiled: June 21, 2011Publication date: October 13, 2011Applicant: LIFE TECHNOLOGIES CORPORATIONInventors: Ronald J. Graham, Ruiming Zou, Krishna G. Upadhya, Scott C. Benson
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Patent number: 8034636Abstract: In accordance with the present invention, it has been discovered that introduction of hydrophilic sulfoalkyl substituents and/or hydrophilic linkers derived from homocysteic acid, cysteic acid, glycine peptides, tetraethylene oxide, and the like, offset the hydrophobicity of the acridinium ring system to produce a more soluble label which can be attached to an antibody at higher loading before precipitation and aggregation problems are encountered. Additional compounds described herein contain linkers derived from short peptides and tetraethylene oxide which increase aqueous solubility due to hydrogen bonding with water molecules. The present invention also embraces reagents for multiple acridinium labeling for signal amplification composed of a peptide bearing several acridinium esters with sulfonate groups at regularly spaced intervals for increased solubility. The invention also embraces assays employing the above-described compounds.Type: GrantFiled: September 23, 2010Date of Patent: October 11, 2011Assignee: Quest Diagnostics Investments IncorporatedInventors: Ramon Evangelista, Martha Garrity
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Publication number: 20110177105Abstract: The present invention concerns the discovery of new selective inhibitors of ubiquitin specific proteases, their process of preparation and their therapeutic use.Type: ApplicationFiled: August 13, 2010Publication date: July 21, 2011Inventors: Roman Lopez, Frédéric Colland
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Publication number: 20110082279Abstract: The invention relates to chemiluminescent compounds of general formula (I) wherein: either: R1 is a reactive group capable of reacting with an amine or thiol moiety; L1 is a hydrocarbon linker moiety comprising 2-12 carbon atoms, optionally substituted with hydroxy, halo, nitro or C1-C4 alkoxy; and R2 is hydrogen, C1-C4 alkyl, C1-C4 haloalkyl, aryl, fused aryl, C1-C4 alkoxy, C1-C4 acyl, halide, hydroxy or nitro; or, alternatively: the combination R1-L1- comprises a C1-C4 alkyl group optionally substituted with hydroxy, halo, nitro or C1-C4 alkoxy; and R2 comprises a group R4-L1-, where R4 is a reactive group capable of reacting with an amine or thiol moiety; and L1 is as defined above; L2 is —C(?O)O—, —C(?O)—S— or —C(?O)N(SO2R5)—, wherein, in each case, the —C(?O) is linked to the ring carbon atom, and R5 is C1-C8 alkyl, aryl, C1-C8 alkoxy or C1-C8 acyl; R3 is a substituted C1-C8 alkyl, C2-C8 alkenyl, C2-C8 alkynyl or aryl group wherein at least one of the said substituents is electron-withdrawiType: ApplicationFiled: December 10, 2010Publication date: April 7, 2011Applicant: GEN-PROBE INCORPORATEDInventors: Ian WEEKS, Andrew J. RUTTER, Zhaoqiang LI, Keith Smith
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Publication number: 20110077221Abstract: This invention provides nuclear hormone receptor binding compounds, compositions comprising the same and methods of uses thereof in treating a variety of diseases or conditions in a subject, including, inter-alia, prostate cancer and/or diseases or disorders of bone and muscle.Type: ApplicationFiled: July 19, 2007Publication date: March 31, 2011Inventors: James T. Dalton, Duane D. Miller, Igor Rakov, Casey Bohl, Michael L. Mohler
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Publication number: 20110063485Abstract: A photoelectric conversion device comprising a transparent electrically conductive film, a photoelectric conversion film and an electrically conductive film in this order, wherein the photoelectric conversion film comprises a photoelectric conversion layer, and an electron blocking layer, wherein the electron blocking layer contains a compound represented by the specific formula.Type: ApplicationFiled: September 8, 2010Publication date: March 17, 2011Applicant: FUJIFILM CORPORATIONInventors: Kimiatsu NOMURA, Eiji FUKUZAKI, Tetsuro MITSUI
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Publication number: 20110037027Abstract: The present invention relates to fluorine derivatives and organic electronic devices in which said compounds are used as a matrix material in the emitting layer and/or as a hole transport material, and/or as an electron blocking or exciton blocking material, and/or as an electron transport material.Type: ApplicationFiled: March 11, 2009Publication date: February 17, 2011Inventors: Philipp Stoessel, Holger Heil, Dominik Joosten, Christof Pfumm, Anja Gerhard
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Patent number: 7875467Abstract: Chemiluminescent acridinium compounds are used in homogeneous assays to determine the concentration of an analyte in a sample without strong acid or strong base treatment. The chemiluminescent acridinium compounds include acridinium esters with electron donating functional groups at the C2 and/or C7 position on the acridinium nucleus to inhibit pseudo-base formation, or acridinium sulfonamides with or without electron donating functional groups at the C2 and/or C7 position on the acridinium nucleus.Type: GrantFiled: November 21, 2007Date of Patent: January 25, 2011Assignee: Siemens Healthcare Diagnostics Inc.Inventors: Anand A. Natrajan, Todd Sells, Hartmut Schroeder, Guohan Yang, David Sharpe, Qingping Jiang, Hana Lukinsky, Say-Jong Law
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Publication number: 20110014721Abstract: In accordance with the present invention, it has been discovered that introduction of hydrophilic sulfoalkyl substituents and/or hydrophilic linkers derived from homocysteic acid, cysteic acid, glycine peptides, tetraethylene oxide, and the like, offset the hydrophobicity of the acridinium ring system to produce a more soluble label which can be attached to an antibody at higher loading before precipitation and aggregation problems are encountered. Additional compounds described herein contain linkers derived from short peptides and tetraethylene oxide which increase aqueous solubility due to hydrogen bonding with water molecules. The present invention also embraces reagents for multiple acridinium labeling for signal amplification composed of a peptide bearing several acridinium esters with sulfonate groups at regularly spaced intervals for increased solubility. The invention also embraces assays employing the above-described compounds.Type: ApplicationFiled: September 23, 2010Publication date: January 20, 2011Inventors: Ramon Evangelista, Martha Garrity
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Publication number: 20110009293Abstract: Assay methods are disclosed involving specific binding reactions which are simplified compared to known methods. A compound capable of producing chemiluminescence is immobilized on a solid support as is a member of a specific binding pair for capturing an analyte from a sample. An activator compound that activates the chemiluminescent compound and is conjugated to a specific binding pair member is added in excess along with the sample to the solid support. Addition of a trigger solution causes a chemiluminescent reaction at the sites where the activator conjugate has been specifically bound. The assay methods are termed non-separation assays because they do not require removal or separation of excess detection label (activator conjugate) prior to the detection step. The methods are applicable to various types of assays including immunoassays, receptor-ligand assays and nucleic acid hybridization assays.Type: ApplicationFiled: September 20, 2010Publication date: January 13, 2011Applicant: BECKMAN COULTER, INC.Inventor: Hashem Akhavan-Tafti
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Publication number: 20100297762Abstract: A method for destroying harmful cells is provided, applicable in treating proliferative diseases. The cells are destroyed by a combined treatment with a chemiluminescent agent and with a ligand-photosensitizer conjugate. The chemiluminescent agent emits light on reacting with oxygen species present in situ, the conjugate binds to the cell through its ligand and is activated by the emitted light, thereby destroying the cell. The method is demonstrated on a conjugate of transferrin-hematoporphyrin, which destroys cancerous cells in the presence of luminol.Type: ApplicationFiled: August 5, 2010Publication date: November 25, 2010Applicant: Ariel-University Research and Developmemt Company Ltd.Inventors: Michael A. FIRER, Raisa Laptev
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Patent number: 7824928Abstract: In accordance with the present invention, it has been discovered that introduction of hydrophilic sulfoalkyl substituents and/or hydrophilic linkers derived from homocysteic acid, cysteic acid, glycine peptides, tetraethylene oxide, and the like, offset the hydrophobicity of the acridinium ring system to produce a more soluble label which can be attached to an antibody at higher loading before precipitation and aggregation problems are encountered. Additional compounds described herein contain linkers derived from short peptides and tetraethylene oxide which increase aqueous solubility due to hydrogen bonding with water molecules. The present invention also embraces reagents for multiple acridinium labeling for signal amplification composed of a peptide bearing several acridinium esters with sulfonate groups at regularly spaced intervals for increased solubility. The invention also embraces assays employing the above-described compounds.Type: GrantFiled: November 7, 2007Date of Patent: November 2, 2010Assignee: Quest Diagnostics Investments IncorporatedInventors: Ramon Evangelista, Martha Garrity
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Patent number: 7781588Abstract: Acridian monomers and polymers are described, as well as their use in organic electronic devices, and materials and methods for fabrication of the same.Type: GrantFiled: December 16, 2005Date of Patent: August 24, 2010Assignee: E.I. du Pont de Nemours and CompanyInventors: Hailiang Wang, Zhensheng Zhang
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Publication number: 20100129800Abstract: The present invention relates to a polymer composed by two to ten monomers of formula (I) as well as to a process for its preparation and its use as fluorophore wherein: X is a radical of formula (II) wherein —R5 is an electron pair or a (C1-C3)-alkyl radical; —Ra and —Rb are radicals independently selected from the group consisting of H, (C1-C4)-alKyI, (C1-C4)-alkoxy, (C1-C4)-alkylamino, phenyl, F, Cl, Br, amino, hydroxy, and nitro or —Ra and —Rb are fused forming with the carbon atoms to which they are attached a ring of formula (III) with the condition that (I) when —R5 is an electron pair, a is a N?C double bond, and Ra and Rb are fused forming the ring (III), said ring being a biradical selected from (IIIa) and (IIIb), thus, radical (II) is (IIa) or (IIb) respectively (II) when —R5 is a (C1-C3)-alkyl radical, a is a N—C single bond and Ra and Rb are fused forming the ring (III), said ring being a biradical (a), thus, the radical (II) is (IIc) R1-R4 and R7-R18 represent radicals, same or different, selectType: ApplicationFiled: July 9, 2008Publication date: May 27, 2010Inventors: Juan Aymami Bofarull, Fernando Albericio Palomera, Anna Maria Avino Andres, Josep Farrera Sinfreu, Miriam Royo Exposito, Isabel Navarro Munoz, Ramon Eritja Casadella
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Patent number: 7718576Abstract: A compound is provided having the formula: where C* is an sp2 coordinated carbon atom; A is defined by the formula wherein R12, R13, R14, R15, R16, R17, R18 and R19 are independently selected from the group consisting of hydrogen, alkyl, alkoxy, aryl, alkylaryl, heteroaryl, heteroalkoxy, aldehyde, keto, amino, nitro, halo, sulfate, sulfonyl, carboxy, carboxyester, phosphate or phosphoester, each of which may be substituted or unsubstituted; Z is a moiety that is covalently bonded to C* selected from the group consisting of O, S, N—R1, and +N—R1R2 where R1 and R2 are selected from hydrogen, alkyl, alkoxy, aryl, alkylaryl, heteroaryl, or heteroalkoxy moieties, each of which may be substituted or unsubstituted; and Q is a suitable leaving group yields a compound which is capable of exhibiting a chemiluminescent reaction in the presence of a peroxide or peroxide-like compound under aqueous or mixed aqueous-organic conditions.Type: GrantFiled: June 10, 2003Date of Patent: May 18, 2010Inventors: Alexander A. Waldrop, III, Calvin P. H. Vary