Patents by Inventor Surbhi Desai
Surbhi Desai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20150083593Abstract: Staining compositions and methods for use with a matrix, such as an electrophoretic gel, containing separated biopolymers. The compositions including an acid, an organic solvent, and a generally planar, fluid-permeable gel contact sheet consisting primarily of a non-cellulosic material. The acid and organic solvent may be sorbed to the fluid-permeable gel contact sheet, or may be sorbed to a layers contactable with a non-gel contact side of the gel contact sheet. In one embodiment, the composition is a source electrophoretic stain composition including a staining reagent. In one embodiment, the composition is a sink electrophoretic stain composition including a sorbent.Type: ApplicationFiled: September 24, 2014Publication date: March 26, 2015Inventors: Boguslawa R. DWORECKI, Surbhi DESAI, Gregory John KILMER, Peter Alan BELL, Brian Lynn WEBB
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Patent number: 8889884Abstract: A phosphine derivative of DyLight dyes modified with ethylene glycol or (poly)ethylene glycol groups. In one embodiment, the compounds are useful in chemoselective ligation reactions.Type: GrantFiled: July 11, 2012Date of Patent: November 18, 2014Assignees: Pierce Biotechnology, Inc., Dyomics GmbHInventors: Greg Hermanson, Peter T. Czerney, Surbhi Desai, Suk J. Hong, Matthias S. Wenzel, Boguslawa Dworecki, Frank G. Lehmann
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Publication number: 20140255312Abstract: Compounds used as labels with properties comparable to known fluorescent compounds. The compounds can be conjugated to proteins and nucleic acids for biological imaging and analysis. Synthesis of the compounds, formation and use of the conjugated compounds, and specific non-limiting examples of each are provided.Type: ApplicationFiled: March 7, 2013Publication date: September 11, 2014Inventors: Greg Hermanson, Peter T. Czerney, Surbhi Desai, Matthias S. Wenzel, Boguslawa R. Dworecki, Frank G. Lehmann
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Publication number: 20140231255Abstract: An electroblotting system including a cassette configured to receive a membrane and a material impregnated with at least one of proteins or nucleic acids. The cassette is connectable to a base such that a current is passable through the cassette to cause at least some of the proteins or nucleic acids to be transferred from the impregnated material to the membrane. The cassette has a first portion, a second portion configured to be releasably coupled to the first portion, and a coupling mechanism configured to releasably couple the first portion to the second portion. The cassette further includes an actuator operatively coupled to the coupling mechanism such that manual depression of the actuator causes the coupling mechanism to release the first portion relative to the second portion.Type: ApplicationFiled: February 19, 2013Publication date: August 21, 2014Inventors: Peter Alan Bell, Surbhi Desai, John David Dwenger, Boguslawa R. Dworecki, Stefan Reiley Freeman, Eric Leigh Hommema, Gregory John Kilmer, Priya Rangaraj, Stephen D. Shiflett, Hongfang Wang, Brian Lynn Webb
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Publication number: 20140072515Abstract: Compounds used as labels with properties comparable to known fluorescent compounds. The compounds can be conjugated to proteins and nucleic acids for biological imaging and analysis. Synthesis of the compounds, formation and use of the conjugated compounds, and specific non-limiting examples of each are provided.Type: ApplicationFiled: February 28, 2013Publication date: March 13, 2014Inventors: Greg Hermanson, Peter T. Czerney, Surbhi Desai, Matthias S. Wenzel, Boguslawa R. Dworecki, Frank G. Lehmann, Marie Christine Nlend
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Publication number: 20130251637Abstract: Compounds used as labels with properties comparable to known fluorescent compounds. The compounds can be conjugated to proteins and nucleic acids for biological imaging and analysis. Synthesis of the compounds, formation and use of the conjugated compounds, and specific non-limiting examples of each are provided.Type: ApplicationFiled: December 20, 2011Publication date: September 26, 2013Applicants: DYOMICS GMBH, PIERCE BIOTECHNOLOGY, INC.Inventors: Greg Hermanson, Peter T. Czerney, Surbhi Desai, Matthias S. Wenzel, Boguslawa Dworecki, Frank G. Lehmann
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Publication number: 20130230465Abstract: Compounds useful as labels with properties comparable to known fluorescent compounds. The compounds are conjugated to proteins and nucleic acids for biological imaging and analysis. Synthesis of the compounds, formation and use of the conjugated compounds, and specific non-limiting examples of each are provided.Type: ApplicationFiled: February 27, 2013Publication date: September 5, 2013Inventors: Greg Hermanson, Peter T. Czerney, Surbhi Desai, Matthias S. Wenzel, Boguslawa R. Dworecki, Frank G. Lehmann, Marie Christine Nlend
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Publication number: 20130230466Abstract: Compounds used as labels with properties comparable to known fluorescent compounds. The compounds can be conjugated to proteins and nucleic acids for biological imaging and analysis. Synthesis of the compounds, formation and use of the conjugated compounds, and specific non-limiting examples of each are provided.Type: ApplicationFiled: February 28, 2013Publication date: September 5, 2013Inventors: Greg Hermanson, Peter T. Czerney, Surbhi Desai, Matthias S. Wenzel, Boguslawa R. Dworecki, Frank G. Lehmann, Marie Christine Nlend
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Publication number: 20130045488Abstract: Compounds useful as labels with properties comparable to known fluorescent compounds. The compounds are conjugated to proteins and nucleic acids for biological imaging and analysis. Synthesis of the compounds, formation and use of the conjugated compounds, and specific non-limiting examples of each are provided.Type: ApplicationFiled: August 10, 2012Publication date: February 21, 2013Applicants: Dyomics GmbH, Pierce Biotechnology, Inc.Inventors: Greg Hermanson, Peter T. Czerney, Surbhi Desai, Matthias S. Wenzel, Boguslawa Dworecki, Frank G. Lehmann, Marie Christine Nlend
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Publication number: 20120294807Abstract: Compounds used as labels with properties comparable to known fluorescent compounds. The compounds can be conjugated to proteins and nucleic acids for biological imaging and analysis. Synthesis of the compounds, formation and use of the conjugated compounds, and specific non-limiting examples of each are provided.Type: ApplicationFiled: December 20, 2011Publication date: November 22, 2012Applicants: DYOMICS GMBH, PIERCE BIOTECHNOLOGY, INC.Inventors: Greg Hermanson, Peter T. Czerney, Surbhi Desai, Matthias S. Wenzel, Boguslawa Dworecki, Frank G. Lehmann
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Publication number: 20120156140Abstract: Compounds used as labels with properties comparable to known fluorescent compounds. The compounds can be conjugated to proteins and nucleic acids for biological imaging and analysis. Synthesis of the compounds, formation and use of the conjugated compounds, and specific non-limiting examples of each are provided.Type: ApplicationFiled: December 20, 2011Publication date: June 21, 2012Applicants: DYOMICS GMBH, PIERCE BIOTECHNOLOGY, INC.Inventors: Greg Hermanson, Peter T. Czerney, Surbhi Desai, Matthias S. Wenzel, Boguslawa Dworecki, Frank G. Lehmann
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Patent number: 8039648Abstract: Compounds used as dyes comparable to Alexa Fluor 350 dyes. The inventive compounds have high fluorescence quantum yield and high photostability. The dyes facilitate analysis of biological structures with enhanced sensitivity and selectivity.Type: GrantFiled: June 16, 2009Date of Patent: October 18, 2011Assignee: Pierce Biotechnology, Inc.Inventors: Peter T. Czerney, Surbhi Desai, Matthias S. Wenzel, Boguslawa Dworecki, Frank G. Lehmann, Bernd G. Schweder, Wilhelm G. Frank
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Patent number: 8007998Abstract: Polymerized conjugates of at least two proteins that have increased sensitivity for detecting proteins in biological assays such as gels and blots, and methods of preparing the conjugates, and a protein assay detection kit using the conjugates. In one embodiment, proteins are polymerized by reacting a carbohydrate group on the protein that has been oxidized with an amine group.Type: GrantFiled: October 21, 2008Date of Patent: August 30, 2011Assignee: Pierce Biotechnology, Inc.Inventors: Surbhi Desai, Michael Stanaitis, Ramesh Ganapathy
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Patent number: 7947506Abstract: A hydroxyquinolone compound formulated as a fluorescent dye for protein detection, assay, quantitation, etc. The hydroxyquinolone compound may be modified, for example, by adding or removing sulfate groups, changing hydrocarbon chain lengths, etc. to result in more desirable properties such as enhanced binding to basic proteins, enhanced solubility, etc. The dye has enhanced sensitivity over commercially available protein stains, and may be used to stain proteins in solution, proteins separated on gels, proteins transferred to solid supports, etc. Methods of using the dyes are also disclosed.Type: GrantFiled: June 2, 2006Date of Patent: May 24, 2011Assignee: Pierce Biotechnology, Inc.Inventors: Brian David Wolf, Surbhi Desai, Peter T. Czerney, Frank G. Lehmann, Bernd G. Schweder, Matthias S. Wenzel
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Publication number: 20100317045Abstract: Compounds used as dyes comperable to Alexa Fluor 350 dyes. The inventive compounds have high fluorescence quantum yield and high photostability. The dyes facilitate analysis of biological structures with enhanced sensitivity and selectivity.Type: ApplicationFiled: June 16, 2009Publication date: December 16, 2010Applicant: PIERCE BIOTECHNOLOGY, INC.Inventors: Surbhi Desai, Boguslawa Dworecki, Matthias S. Wenzel, Peter T. Czerney, Frank G. Lehmann, Bernd G. Schweder, Wilhelm G. Frank
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Publication number: 20100203533Abstract: Polymerized conjugates of at least two proteins that have increased sensitivity for detecting proteins in biological assays such as gels and blots, and methods of preparing the conjugates, and a protein assay detection kit using the conjugates. In one embodiment, proteins are polymerized by reacting a carbohydrate group on the protein that has been oxidized with an amine group.Type: ApplicationFiled: October 21, 2008Publication date: August 12, 2010Applicant: Pierce Biotechnology, Inc.Inventors: Surbhi Desai, Michael Stanaitis, Ramesh Ganapathy
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Patent number: 7745645Abstract: Compounds having the general of formula I and/or formula II wherein R1 and R2 are the same or different and are independently selected from the group consisting of —H, —C1-C18-alkyl or -?-sulfoalkyl; X and Y are the same or different and are independently selected from the group consisting of —O?, —OH, —SH, —NH—NH2, —F, —Cl, —Br, —I, —O-Su (succinimidyl/sulfosuccinimidyl), —O-STP (4-sulfo-2,3,5,6-tetrafluorophenyl), —O-TFP (2,3,5,6-tetrafluorophenyl), —O-benzotriazole, -benzotriazole, —NR—CO—CH2—I, —NR2, —NR-biomolecule, —NR-L-COO?, —NR-L-COOH, —NR-L-COO-Su, —NR-L-COO-STP, —NR-L-COO-TFP, —NR-L-CONR2, —NR-L-CO-biomolecule, —NR-L-CO—NH—NH2, —NR-L-OH, —NR-L-O-phosphoramidite, —NR-L-CHO, —NR-L-maleimid, or —NR-L-NH—CO—CH2—I; where R is equal to R1 and R2 and L is selected from the group consisting of a divalent linear (—(CH2)o—, o=1 to 15), crossed, or cyclic alkane group that can be substituted by at least one atom selected from the group consisting of oxygen, substituted niType: GrantFiled: January 22, 2007Date of Patent: June 29, 2010Assignee: Pierce Biotechnology, Inc.Inventors: Wilhelm G. Frank, Matthias S. Wenzel, Peter T. Czerney, Surbhi Desai, Greg Hermanson
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Patent number: 7553869Abstract: Coumarine/chinolone and Martina-type compounds, compositions, and method of using the compounds and compositions for protein detection, assay, quantitation, etc. are disclosed. The composition, also referred to as a dye, has enhanced sensitivity over commercially available protein stains, and may be used to stain proteins in solution, proteins separated on gels, proteins transferred to solid supports, etc.Type: GrantFiled: July 28, 2006Date of Patent: June 30, 2009Assignee: Pierce Biotechnology, Inc.Inventors: Peter T. Czerney, Surbhi Desai, Frank G. Lehmann, Zakir S. Murtaza, Bernd G. Schweder, Matthias S. Wenzel, Brian David Wolf
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Patent number: 7498140Abstract: A method for detecting a target biomolecule directly in a polyacrylamide gel in which it has been separated from other substances. Prior to binding the target to a probe and while the target biomolecule remains in the gel, the gel is immersed in a water miscible aqueous extracting medium containing a base to shrink the gel by at least about ten percent, and then the gel is washed with water to restore the gel to substantially its original size.Type: GrantFiled: July 24, 2006Date of Patent: March 3, 2009Assignee: Pierce Biotechnology, Inc.Inventors: Surbhi Desai, Craig Smith, Boguslawa Dworecki, Steven Moore
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Publication number: 20080177086Abstract: Compounds having the general of formula I and/or formula II wherein R1 and R2 are the same or different and are independently selected from the group consisting of —H, —C1-C18-alkyl or -?-sulfoalkyl; X and Y are the same or different and are independently selected from the group consisting of —O?, —OH, —SH, —NH—NH2, —F, —Cl, —Br, —I, —O-Su (succinimidyl/sulfosuccinimidyl), —O-STP (4-sulfo-2,3,5,6-tetrafluorophenyl), —O-TFP (2,3,5,6-tetrafluorophenyl), —O-benzotriazole, -benzotriazole, —NR—CO—CH2—I, —NR2, —NR-biomolecule, —NR-L-COO?, —NR-L-COOH, —NR-L-COO-Su, —NR-L-COO-STP, —NR-L-COO-TFP, —NR-L-CONR2, —NR-L-CO-biomolecule, —NR-L-CO—NH—NH2, —NR-L-OH, —NR-L-O-phosphoramidite, —NR-L-CHO, —NR-L-maleimid, or —NR-L-NH—CO—CH2—I; where R is equal to R1 and R2 and L is selected from the group consisting of a divalent linear (—(CH2)o—, o=1 to 15), crossed, or cyclic alkane group that can be substituted by at least one atom selected from the group consisting of oxygen, substituted niType: ApplicationFiled: January 22, 2007Publication date: July 24, 2008Applicant: PIERCE BIOTECHNOLOGY, INC.Inventors: Wilhelm G. Frank, Matthias S. Wenzel, Peter T. Czerney, Surbhi Desai, Greg Hermanson