Patents Assigned to Chembio Diagnostic Systems, Inc.
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Publication number: 20220280141Abstract: A kit and a method are disclosed for collecting and preparing a biological sample for testing where the sample is to be mixed with a buffer prior to being tested.Type: ApplicationFiled: May 23, 2022Publication date: September 8, 2022Applicant: Chembio Diagnostic Systems, Inc.Inventor: Javanbakhsh Esfandiari
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Patent number: 11350913Abstract: A kit and a method are disclosed for collecting and preparing a biological sample for testing where the sample is to be mixed with a buffer prior to being tested.Type: GrantFiled: April 2, 2019Date of Patent: June 7, 2022Assignee: Chembio Diagnostic Systems, Inc.Inventor: Javanbakhsh Esfandiari
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Publication number: 20210349083Abstract: Test cells with first and second sorbent materials defining a first flow path for a solution, a second flow path distinct from the first flow path for a sample, and a test site with immobilized antigens or antibodies or other ligand-binding molecules located at the junction of the sorbent materials for identifying one or more ligands. In one embodiment, a single highly sensitive immunoassay device is provided that detects the presence in a body fluid sample of two or more COVID-19 (Coronavirus disease 2019) antibodies including immunoglobulin M (IgM) and/or immunoglobulin G (IgG) antibodies to nucleocapsid protein (NP) and spike protein receptor binding domain (RBD), and optionally spike protein S1 subunit (S1) COVID-19 virus antigens. The immunoassay device is sensitive in detecting early infection using IgM antibody detection and continuing infection using IgG antibody detection. Additionally, successful inoculation is distinguished from infection after inoculation by comparing NP and RBD results.Type: ApplicationFiled: May 10, 2021Publication date: November 11, 2021Applicant: Chembio Diagnostic Systems, Inc.Inventor: Javanbakhsh Esfandiari
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Publication number: 20210293808Abstract: Test devices are provided for determining the presence of a first ligand in a sample. In some embodiments depletion conjugates are used to deplete the ligands different from but related to the first ligands from the sample.Type: ApplicationFiled: April 12, 2021Publication date: September 23, 2021Applicant: Chembio Diagnostic Systems, Inc.Inventor: Javanbakhsh Esfandiari
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Publication number: 20210156857Abstract: Methods are provided for determining the presence of a first ligand in a sample. In some embodiments depletion conjugates are used to deplete the ligands different from but related to the first ligands from the sample. In some embodiments, interim binding agents are used to enhance the test signal.Type: ApplicationFiled: February 2, 2021Publication date: May 27, 2021Applicant: Chembio Diagnostic Systems, Inc.Inventor: Javanbakhsh Esfandiari
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Patent number: 10976315Abstract: Test devices are provided for determining the presence of a first ligand in a sample. In some embodiments depletion conjugates are used to deplete the ligands different from but related to the first ligands from the sample.Type: GrantFiled: April 30, 2018Date of Patent: April 13, 2021Assignee: Chembio Diagnostic Systems, Inc.Inventor: Javanbakhsh Esfandiari
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Patent number: 10908158Abstract: Methods are provided for determining the presence of a first ligand in a sample. In some embodiments depletion conjugates are used to deplete the ligands different from but related to the first ligands from the sample. In some embodiments, interim binding agents are used to enhance the test signal.Type: GrantFiled: October 23, 2017Date of Patent: February 2, 2021Assignee: Chembio Diagnostic Systems, Inc.Inventor: Javanbakhsh Esfandiari
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Patent number: 10690667Abstract: A single-use multiplex, or assay, screening test for the detection of one or more of a plurality of unrelated febrile illnesses is provided. The febrile illnesses for which the test is designed are unrelated, in that the illnesses may be caused, by way of example, by infection from viruses, bacterium and/or parasites; by infection from viruses, bacterium, parasites or other contagions that are animal borne; by infection from viruses, bacterium, parasites, or other contagions that can be aerosolized for transmission; by infection from viruses, bacterium, parasites or other contagions that are transmitted from direct contact; by infection from viruses, bacterium, parasites or other contagions that are generally transmitted in the tropics and/or subtropics; and/or by infection from a virus, bacteria, parasite sharing one or more related feature and which causes a febrile illness.Type: GrantFiled: September 7, 2018Date of Patent: June 23, 2020Assignee: Chembio Diagnostic Systems, Inc.Inventors: Javanbakhsh Esfandiari, Angelo H. Gunasekera
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Patent number: 10598657Abstract: Test devices are provided for determining the presence of a first ligand in a sample. In some embodiments depletion conjugates are used to deplete the ligands different from but related to the first ligands from the sample. In some embodiments, interim binding agents are used to enhance the test signal.Type: GrantFiled: April 17, 2018Date of Patent: March 24, 2020Assignee: Chembio Diagnostic Systems, Inc.Inventor: Javanbakhsh Esfandiari
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Patent number: 10473655Abstract: Test devices are provided for determining the presence of a first ligand in a sample. In some embodiments depletion conjugates are used to deplete the ligands different from but related to the first ligands from the sample. In some embodiments, interim binding agents are used to enhance the test signal.Type: GrantFiled: January 24, 2018Date of Patent: November 12, 2019Assignee: Chembio Diagnostic Systems, Inc.Inventor: Javanbakhsh Esfandiari
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Publication number: 20190261961Abstract: A kit and a method are disclosed for collecting and preparing a biological sample for testing where the sample is to be mixed with a buffer prior to being tested.Type: ApplicationFiled: April 2, 2019Publication date: August 29, 2019Applicant: Chembio Diagnostic Systems, Inc.Inventor: Javanbakhsh Esfandiari
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Publication number: 20190064162Abstract: A single-use multiplex, or assay, screening test for the detection of one or more of a plurality of unrelated febrile illnesses is provided. The febrile illnesses for which the test is designed are unrelated, in that the illnesses may be caused, by way of example, by infection from viruses, bacterium and/or parasites; by infection from viruses, bacterium, parasites or other contagions that are animal borne; by infection from viruses, bacterium, parasites, or other contagions that can be aerosolized for transmission; by infection from viruses, bacterium, parasites or other contagions that are transmitted from direct contact; by infection from viruses, bacterium, parasites or other contagions that are generally transmitted in the tropics and/or subtropics; and/or by infection from a virus, bacteria, parasite sharing one or more related feature and which causes a febrile illness.Type: ApplicationFiled: September 7, 2018Publication date: February 28, 2019Applicant: Chembio Diagnostic Systems, Inc.Inventors: Javanbakhsh Esfandiari, Angelo H. Gunasekera
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Publication number: 20180292402Abstract: Test devices are provided for determining the presence of a first ligand in a sample. In some embodiments depletion conjugates are used to deplete the ligands different from but related to the first ligands from the sample.Type: ApplicationFiled: April 30, 2018Publication date: October 11, 2018Applicant: Chembio Diagnostic Systems, Inc.Inventor: Javanbakhsh Esfandiari
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Publication number: 20180292401Abstract: Test devices are provided for determining the presence of a first ligand in a sample. In some embodiments depletion conjugates are used to deplete the ligands different from but related to the first ligands from the sample. In some embodiments, interim binding agents are used to enhance the test signal.Type: ApplicationFiled: April 17, 2018Publication date: October 11, 2018Applicant: Chembio Diagnostic Systems, Inc.Inventor: Javanbakhsh Esfandiari
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Publication number: 20180149645Abstract: Test devices are provided for determining the presence of a first ligand in a sample. In some embodiments depletion conjugates are used to deplete the ligands different from but related to the first ligands from the sample. In some embodiments, interim binding agents are used to enhance the test signal.Type: ApplicationFiled: January 24, 2018Publication date: May 31, 2018Applicant: Chembio Diagnostic Systems, Inc.Inventor: Javanbakhsh Esfandiari
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Publication number: 20180045722Abstract: Methods are provided for determining the presence of a first ligand in a sample. In some embodiments depletion conjugates are used to deplete the ligands different from but related to the first ligands from the sample. In some embodiments, interim binding agents are used to enhance the test signal.Type: ApplicationFiled: October 23, 2017Publication date: February 15, 2018Applicant: Chembio Diagnostic Systems, Inc.Inventor: Javanbakhsh Esfandiari
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Patent number: 9891216Abstract: Methods are provided for determining the presence of a first ligand in a sample. In some embodiments depletion conjugates are used to deplete the ligands different from but related to the first ligands from the sample. In some embodiments, interim binding agents are used to enhance the test signal.Type: GrantFiled: February 25, 2015Date of Patent: February 13, 2018Assignee: CHEMBIO DIAGNOSTIC SYSTEMS, INC.Inventor: Javanbakhsh Esfandiari
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Patent number: 9885710Abstract: Test devices are provided for determining the presence of a first ligand in a sample. In some embodiments depletion conjugates are used to deplete the ligands different from but related to the first ligands from the sample. In some embodiments, interim binding agents are used to enhance the test signal.Type: GrantFiled: February 25, 2015Date of Patent: February 6, 2018Assignee: Chembio Diagnostic Systems, Inc.Inventor: Javanbakhsh Esfandiari
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Patent number: D857903Type: GrantFiled: March 22, 2018Date of Patent: August 27, 2019Assignee: Chembio Diagnostic Systems, Inc.Inventor: Javanbakhsh Esfandiari
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Patent number: D887559Type: GrantFiled: September 20, 2018Date of Patent: June 16, 2020Assignee: Chembio Diagnostic Systems, Inc.Inventor: Javanbakhsh Esfandiari