Patents Assigned to Biostatus Limited
-
Patent number: 11255761Abstract: According to the invention there is provided a compound of Formula (I) in which: A is a C2-8 alkylene group; R1, R2, R3, and R4 are independently selected from hydrogen, C1-4 alkyl, C2-4 dihydroxyalkyl in which the carbon atom attached to the nitrogen atom does not carry a hydroxyl group and no carbon atom is substituted by two hydroxyl groups, or R2 and R3 together form a C2-6 alkylene group which with the nitrogen atom to which R2 and R3 are attached forms a heterocyclic ring; X1, X2 and X3 are independently selected from hydrogen, hydroxyl, NR1-A-NR2R3R4+(Zm?)1/m, for halogeno amino, C1-4 alkoxy or C2-8 alkanoyloxy; and (Zm?)1/m is an anion of charge m; or a derivative in which the group NR1 is quaternarized.Type: GrantFiled: June 5, 2015Date of Patent: February 22, 2022Assignee: Biostatus LimitedInventors: Paul James Smith, Rachel J. Errington, Laurence Hylton Patterson
-
Patent number: 9759715Abstract: The present invention provides the use of a composition comprising a block polymer as a support matrix in the manipulation, processing or analysis of particles, such as cells and fluorescent beads. In a preferred embodiment, the composition exhibits gel-sol thermoreversibility, micelle formation under gelling conditions, optically compatible, controllable surfactant properties, molecular sieving properties and biocompatibility. Further aspects of the invention provide (a) a support matrix composition comprising a block polymer, fluorescent beads and/or a dye for use in the manipulation, processing or analysis of particles, (b) a multichamber plate coated in a support matrix composition and (c) kits for producing the same.Type: GrantFiled: March 29, 2010Date of Patent: September 12, 2017Assignee: Biostatus LimitedInventors: Paul Smith, Laurence Patterson, Rachel Jane Errington
-
Publication number: 20150307441Abstract: An anthraquinone compound of formula I (such as the compounds of formulae II to X) and processes for making the same are provided. Pharmaceutical compositions for use in the treatment of cancer, optionally in combination with an agent capable of reducing the level of oxygenation of a tumour, are also provided. Additionally, an option for combination with chemotherapeutic and radiotherapeutic modalities to enhance overall tumour cell kill is provided. Methods for the detection of cellular hypoxia, both in vivo and in vitro, are additionally provided.Type: ApplicationFiled: August 7, 2013Publication date: October 29, 2015Applicant: Biostatus LimitedInventors: Stefan Ogrodzinski, Paul Smith, Stephanie McKeown, Laurence Patterson, Rachel Jane Errington
-
Patent number: 7723085Abstract: The present invention provides the use of a composition comprising a block polymer as a support matrix in the manipulation, processing or analysis of particles, such as cells and fluorescent beads. In a preferred embodiment, the composition exhibits gel-sol thermoreversibility, micelle formation under gelling conditions, optically compatible, controllable surfactant properties, molecular sieving properties and biocompatibility. Further aspects of the invention provide (a) a support matrix composition comprising a block polymer, fluorescent beads and/or a dye for use in the manipulation, processing or analysis of particles, (b) a multichamber plate coated in a support matrix composition and (c) kits for producing the same.Type: GrantFiled: July 1, 2005Date of Patent: May 25, 2010Assignee: Biostatus LimitedInventors: Paul Smith, Laurence Patterson, Rachel Jane Errington
-
Patent number: 7605280Abstract: There is disclosed a compound of formula (I) wherein each of X1 and X2 are independently NH-A-NR1R2, and wherein A is A C2-8 alkylene and R1 and R2 are independently selected from hydrogen, C1-4 alkyl, C2-4 hydroxy-alkyl and C2-4 aminoalkyl, or R1 and R2 together form a C2-6 alkylene group which with the nitrogen atom to which R1 and R2 are attached forms a heterocyclic ring, or an N-oxide derivative thereof, and wherein the compound (I) or its N-oxide derivative is optionally in the form of an acid salt derived from an organic or inorganic acid. Also disclosed is a method of its production and its uses, including its use in analyzing a cell or biological material and detecting the emitted fluorescence signal.Type: GrantFiled: March 6, 2006Date of Patent: October 20, 2009Assignee: Biostatus LimitedInventors: Paul James Smith, Laurence Hylton Patterson
-
Patent number: 7060427Abstract: There is disclosed a compound of formula (I) wherein each of X1 and X2 are independently NH—A—NR1R2, and wherein A is A C2-8 alkylene and R1 and R2 are independently selected from hydrogen, C1-4 alkyl, C2-4 hydroxy-alkyl and C2-4 aminoalkyl, or R1 and R2 together form a C2-6 alkylene group which with the nitrogen atom to which R1 and R2 are attached forms a heterocyclic ring, or an N-oxide derivative thereof, and wherein the compound (I) or its N-oxide derivative is optionally in the form of an acid salt derived from an organic or inorganic acid. Also disclosed is a method of its production and its uses, including its use in analyzing a cell or biological material and detecting the emitted fluorescence signal.Type: GrantFiled: August 12, 2002Date of Patent: June 13, 2006Assignee: Biostatus LimitedInventors: Paul James Smith, Laurence Hylton Patterson
-
Patent number: 6468753Abstract: There is disclosed a compound of formula (I) wherein each of X1 and X2 are independently NH—A—NR1R2, and wherein A is A C2-8 alkylene group and R1 and R2 are independently selected from hydrogen, C1-4 alkyl, C2-4 hydroxy-alkyl and C2-4 aminoalkyl, or R1 and R2 together form a C2-6 alkylene group which with the nitrogen atom to which R1 and R2 are attached forms a heterocyclic ring, or an N-oxide derivative thereof, and wherein the compound (I) or its N-oxide derivative is optionally in the form of an acid salt derived from an organic or inorganic acid. Also disclosed is a method of its production and its uses, including its use in analyzing a cell or biological material and detecting the emitted fluorescence signal.Type: GrantFiled: February 20, 2001Date of Patent: October 22, 2002Assignee: Biostatus LimitedInventors: Paul James Smith, Laurence Hylton Patterson