Patents by Inventor Chandrasekhar Bhaskaran Nair

Chandrasekhar Bhaskaran Nair 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).

  • Patent number: 10525461
    Abstract: The present disclosure provides a cartridge for purifying biological samples. The cartridge comprises a first chamber configured to receive and hold biological samples, and at least one second chamber configured to receive and hold a reagent solution. A first fluid flow control valve is fluidly connected to outlet ports of the first chamber and the at least one second chamber. Also, the first fluid flow control valve is fluidly connected to a matrix chamber and is configured to selectively route biological samples and reagent solution into the matrix chamber for purifying the biological samples. A binding matrix is configured in the matrix chamber for capturing the nucleic acids from the biological samples and the reagent solution. Further, a elute collection chamber is fluidly connected to the matrix chamber, wherein the elute collection chamber is configured to receive and hold purified biological sample from the matrix chamber.
    Type: Grant
    Filed: August 30, 2016
    Date of Patent: January 7, 2020
    Assignee: Bigtec Private Limited
    Inventors: Manoj Mulakkapurath Narayanan, Chandrasekhar Bhaskaran Nair
  • Patent number: 10227633
    Abstract: The present disclosure provides a portable device for purifying biological sample. The device comprises a housing and a cartridge holder accommodated in the housing for holding at least one cartridge configured to purify the biological sample. At least one pump is positioned in the housing which is fluidly connectable to the cartridge to circulate the sample and one or more fluids through the cartridge. Further, at least one heating element is configured to heat a matrix chamber in the cartridge. At least one actuator is disposed in the housing to actuate one or more valves to selectively route the biological sample and the one or more fluids in the cartridge. A control unit is interfaced with the actuator, the heating element and the pump and is configured to regulate operation of the actuator, the pump and the heating element during purification of the biological sample.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: March 12, 2019
    Assignee: BIGTEC PRIVATE LIMITED
    Inventors: Manoj Mulakkapurath Narayanan, Chandrasekhar Bhaskaran Nair
  • Publication number: 20190046972
    Abstract: The present disclosure discloses a cartridge for purifying a sample. The cartridge comprising a first chamber having a plurality of compartments for storing a sample and at least one reagent and mix the a sample with the at least one reagent. A second chamber in fluid communication with the first chamber is configured with a matrix member for matrixing at least one analyte. A third chamber in fluid communication with the second chamber is configured with a waste collection chamber for storing waste fluids matrixed in the second chamber. A fourth chamber in fluid communication with the third chamber, includes at least one tube configured to receive and store the at least one analyte from the second chamber, through the third chamber. The cartridge enables purification of multiple samples in a cycle.
    Type: Application
    Filed: February 23, 2017
    Publication date: February 14, 2019
    Inventors: Manoj Mulakkapurath Narayanan, Chandrasekhar Bhaskaran Nair, Deepak Krishnan Padinhare Purayil, Jayakrishnan Puthiyedathu Chandran, Sathyadeep Viswanathan, Akhil Namboori, Vinaya Ramanabhiraman, Ajith Kumar Manghat, Kishore Krishna Kumar, Justin Kariyancheril Paul, Sivakumar Reddy Jangollu
  • Publication number: 20180100182
    Abstract: The present disclosure provides a portable device for purifying biological sample. The device comprises a housing and a cartridge holder accommodated in the housing for holding at least one cartridge configured to purify the biological sample. At least one pump is positioned in the housing which is fluidly connectable to the cartridge to circulate the sample and one or more fluids through the cartridge. Further, at least one heating element is configured to heat a matrix chamber in the cartridge. At least one actuator is disposed in the housing to actuate one or more valves to selectively route the biological sample and the one or more fluids in the cartridge. A control unit is interfaced with the actuator, the heating element and the pump and is configured to regulate operation of the actuator, the pump and the heating element during purification of the biological sample.
    Type: Application
    Filed: October 7, 2016
    Publication date: April 12, 2018
    Inventors: Manoj MULAKKAPURATH NARAYANAN, Chandrasekhar Bhaskaran NAIR
  • Publication number: 20180057809
    Abstract: The present disclosure provides a cartridge for purifying biological samples. The cartridge comprises a first chamber configured to receive and hold biological samples, and at least one second chamber configured to receive and hold a reagent solution. A first fluid flow control valve is fluidly connected to outlet ports of the first chamber and the at least one second chamber. Also, the first fluid flow control valve is fluidly connected to a matrix chamber and is configured to selectively route biological samples and reagent solution into the matrix chamber for purifying the biological samples. A binding matrix is configured in the matrix chamber for capturing the nucleic acids from the biological samples and the reagent solution. Further, a elute collection chamber is fluidly connected to the matrix chamber, wherein the elute collection chamber is configured to receive and hold purified biological sample from the matrix chamber.
    Type: Application
    Filed: August 30, 2016
    Publication date: March 1, 2018
    Inventors: Manoj MULAKKAPURATH NARAYANAN, Chandrasekhar Bhaskaran NAIR
  • Patent number: 9404151
    Abstract: The present disclosure provides a non-contact real time micro Polymerase Chain Reaction (PCR) system comprising; a chip having a reaction chamber for holding a sample and an embedded metal heater below the reaction chamber for heating the sample; an optical unit comprising an associated LED driver and a photo detector amplifier placed above the chip to detect fluorescence; an induction heater mounted around the chip and inductively coupled to the metal heater; an infrared temperature sensor mounted below the chip for measuring a temperature of the metal heater, wherein the infrared temperature sensor is interfaced with a signal conditioner; and a controller interfaced with the signal conditioner and the induction heater for regulating the power to the induction heater based on feedback received from the infrared temperature sensor through the signal conditioner.
    Type: Grant
    Filed: April 28, 2011
    Date of Patent: August 2, 2016
    Assignee: BIGTEC PRIVATE LIMITED
    Inventors: Swetha Chandra, Sudip Mondal, Venkataraman Venkatakrishnan, Sathyadeep Viswanathan, Renjith Mahiladevi Radhakrishnan, Raviprakash Jayaraman, Chandrasekhar Bhaskaran Nair, Pillarisetti Venkata Subbarao
  • Patent number: 9370774
    Abstract: Instant invention is about a hand held micro PCR device comprising a LTCC micro PCR chip comprising a heater, a reaction chamber to load a sample. It also comprises a heater control to regulate the heater on basis of input received from a temperature sensor. It further has an optical system having an optical fiber to detect a fluorescence signal from the sample, and at least one communication interface to interact with other device(s).
    Type: Grant
    Filed: October 13, 2008
    Date of Patent: June 21, 2016
    Assignee: Bigtec Private Limited
    Inventors: Kishore Krishna Kumar, Raviprakash Jayaraman, Sankaranand Kaipa Narasimha, Renjith Mahiladevi Radhakrishnan, Sathyadeep Viswanathan, Chandrasekhar Bhaskaran Nair, Pillarisetti Venkata Subbarao, Manjula Jagannath, Shilpa Chennakrishnaiah, Sudip Mondal, Venkatakrishnan Venkataraman
  • Patent number: 9309281
    Abstract: In one aspect, methods relate to the field of recombinant DNA therapeutics. Methods may involve bio-informatics design, synthesis of artificial genes for a human insulin precursor having a leader peptide coding sequence, cloning artificial genes into an expression vector, and expression in an organism such as one selected from the genus Pichia. In another aspect, methods may include downstream processing for obtaining protein precursor molecules and subsequent conversion of protein precursor molecules to functional proteins.
    Type: Grant
    Filed: August 22, 2013
    Date of Patent: April 12, 2016
    Assignee: Bigtec Private Limited
    Inventors: Mulakkapurath Narayanan Manoj, Venkata Ramachandra Rao Vasamsetty, Madhuri Baliga, Kirubakaran Naveen Kumar, Chandrasekhar Bhaskaran Nair, Pillarisetti Venkata Subbarao
  • Patent number: 9238674
    Abstract: In one aspect, methods relate to the field of recombinant DNA therapeutics. Methods may involve bio-informatics design, synthesis of artificial genes for a human insulin precursor having a leader peptide coding sequence, cloning artificial genes into an expression vector, and expression in an organism such as one selected from the genus Pichia. In another aspect, methods may include downstream processing for obtaining protein precursor molecules and subsequent conversion of protein precursor molecules to functional proteins.
    Type: Grant
    Filed: August 22, 2013
    Date of Patent: January 19, 2016
    Assignee: Bigtec Private Limited
    Inventors: Mulakkapurath Narayanan Manoj, Venkata Ramachandra Rao Vasamsetty, Madhuri Baliga, Kirubakaran Naveen Kumar, Chandrasekhar Bhaskaran Nair, Pillarisetti Venkata Subbarao
  • Patent number: 9228144
    Abstract: The present invention relates to a biofuel composition comprising normal chain alcohol(s), natural oils and diesel optionally along with fuel additive(s); a process of preparation and a method of fueling said biofuel composition.
    Type: Grant
    Filed: August 10, 2009
    Date of Patent: January 5, 2016
    Assignee: BIGTEC PRIVATE LIMITED
    Inventors: Chandrasekhar Bhaskaran Nair, Pillarisetti Venkata Subbarao, Phani Kumar Pullela, Gopalakrishna Mangalore Kini
  • Patent number: 9044754
    Abstract: Instant invention is about a micro chip comprising plurality of layers of LTCC wherein a reaction chamber is formed in plurality of top layers to load samples. A heater embedded in at least one of the layers below the reaction chamber and a temperature sensor is embedded in at least one of the layers between the heater and the reaction chamber for analyzing the sample. The temperature sensor can be placed outside the chip to measure the chip temperature.
    Type: Grant
    Filed: October 13, 2008
    Date of Patent: June 2, 2015
    Assignee: Bigtec Private Limited
    Inventors: Kishore Krishna Kumar, Raviprakash Jayaraman, Sankaranand Kaipa Narasimha, Renjith Mahiladevi Radhakrishnan, Sathyadeep Viswanathan, Chandrasekhar Bhaskaran Nair, Pillarisetti Venkata Subbarao, Manjula Jagannath, Shilpa Chennakrishnaiah
  • Patent number: 8986976
    Abstract: The present disclosure provides a method to isolate natural & artificial nucleic acids like deoxyribonucleic acid (DNA), ribonucleic acid (RNA) and peptide nucleic acid (PNA) from a solid or liquid sample using cotton. The cotton packed is such that, a solution containing nucleic acids passes through it and the nucleic acids in solution are bound to the cotton in a medium optimal for binding. The nucleic acids are bound to cotton in such a way that, the bound nucleic acids can withstand multiple washes with liquid comprising water and gets eluted in an aqueous buffer, with which eluted nucleic acids can be directly used for amplification using PCR or for any other biochemical or molecular biology needs.
    Type: Grant
    Filed: January 6, 2011
    Date of Patent: March 24, 2015
    Assignee: Bigtec Private Limited
    Inventors: Phani Kumar Pullela, Mulakkapurath Narayanan Manoj, Santhosh Kumar Gandhavalla, Mitchell Preetham Pinto, Chandrasekhar Bhaskaran Nair, Pillarisetti Venkata Subbarao
  • Publication number: 20140057318
    Abstract: The present disclosure relates to a field of recombinant DNA therapeutics. It involves the bio-informatics design, synthesis of artificial gene for human insulin precursor including leader peptide coding sequence, cloning in an expression vector and expression in an organism, preferably Pichia pastoris. The present disclosure also relates to methods of downstream processing for obtaining protein precursor molecules and subsequent conversion of precursor molecules to functional proteins.
    Type: Application
    Filed: August 22, 2013
    Publication date: February 27, 2014
    Applicant: BIGTEC PRIVATE LIMITED
    Inventors: Mulakkapurath Narayanan Manoj, Venkata Ramachandra Rao Vasamsetty, Madhuri Baliga, Kirubakaran Naveen Kumar, Chandrasekhar Bhaskaran Nair, Pillarisetti Venkata Subbarao
  • Publication number: 20140051842
    Abstract: The present disclosure relates to a field of recombinant DNA therapeutics. It involves the bio-informatics design, synthesis of artificial gene for human insulin precursor including leader peptide coding sequence, cloning in an expression vector and expression in an organism, preferably Pichia pastoris. The present disclosure also relates to methods of downstream processing for obtaining protein precursor molecules and subsequent conversion of precursor molecules to functional proteins.
    Type: Application
    Filed: August 22, 2013
    Publication date: February 20, 2014
    Applicant: BIGTEC PRIVATE LIMITED
    Inventors: Mulakkapurath Narayanan Manoj, Venkata Ramachandra Rao Vasamsetty, Madhuri Baliga, Kirubakaran Naveen Kumar, Chandrasekhar Bhaskaran Nair, Pillarisetti Venkata Subbarao
  • Patent number: 8575322
    Abstract: The present disclosure relates to a field of recombinant DNA therapeutics. It involves the bio-informatics design, synthesis of artificial gene for human insulin precursor including leader peptide coding sequence, cloning in an expression vector and expression in an organism, preferably Pichia pastoris. The present disclosure also relates to methods of downstream processing for obtaining protein precursor molecules and subsequent conversion of precursor molecules to functional proteins.
    Type: Grant
    Filed: March 12, 2010
    Date of Patent: November 5, 2013
    Assignee: Bigtec Private Limited
    Inventors: Mulakkapurath Narayanan Manoj, Venkata Ramachandra Rao Vasamsetty, Madhuri Baliga, Kirubakaran Naveen Kumar, Chandrasekhar Bhaskaran Nair, Pillarisetti Venkata Subbarao
  • Publication number: 20130203150
    Abstract: The present disclosure provides a method to isolate natural & artificial nucleic acids like deoxyribonucleic acid (DNA), ribonucleic acid (RNA) and peptide nucleic acid (PNA) from a solid or liquid sample using cotton. The cotton packed is such that, a solution containing nucleic acids passes through it and the nucleic acids in solution are bound to the cotton in a medium optimal for binding. The nucleic acids are bound to cotton in such a way that, the bound nucleic acids can withstand multiple washes with liquid comprising water and gets eluted in an aqueous buffer, with which eluted nucleic acids can be directly used for amplification using PCR or for any other biochemical or molecular biology needs.
    Type: Application
    Filed: January 6, 2011
    Publication date: August 8, 2013
    Applicant: BIGTEC PRIVATE LIMITED
    Inventors: Phani Kumar Pullela, Mulakkapurath Narayanan Manoj, Santhosh Kumar Gandhavalla, Mitchell Preetham Pinto, Chandrasekhar Bhaskaran Nair, Pillarisetti Venkata Subbarao
  • Publication number: 20130130235
    Abstract: The present disclosure gives description of a method used for the detection and quantification of dengue viral infection caused by dengue virus using nucleic acids isolated from blood, plasma or serum samples by employing Oligonucleotide probes. The method employed here for detection is by Real time PCR. The instant disclosure also provides for primers, probes, PCR Reaction mixture and kit thereof.
    Type: Application
    Filed: July 15, 2011
    Publication date: May 23, 2013
    Applicant: BIGTEC PRIVATE LIMITED
    Inventors: Manjula Jagannath, Manoj Mulakkapurath Narayanan, Chandrasekhar Bhaskaran Nair, Pillarisetti Venkata Subbarao
  • Publication number: 20130101983
    Abstract: The present disclosure provides a non contact real time micro Polymerase Chain Reaction [PCR] system comprises; a chip having a reaction chamber for holding a sample and an embedded metal heater below the reaction chamber for heating the sample; an optical unit comprising associated LED driver and photo detector amplifier placed above the chip to detect the fluorescence; an induction heater mounted around the chip and is inductively coupled to the metal heater; an infrared temperature sensor mounted below the chip for measuring a temperature of the metal heater, wherein said infrared temperature sensor is interfaced with a signal conditioner; and a controller interfaced with the signal conditioner and the induction heater for regulating the power to the induction heater based on feedback received from the infrared temperature sensor through the signal conditioner.
    Type: Application
    Filed: April 28, 2011
    Publication date: April 25, 2013
    Applicant: BIGTEC PRIVATE LIMITED
    Inventors: Swetha Chandra, Sudip Mondal, Venkataraman Venkatakrishnan, Sathyadeep Viswanathan, Renjith Mahiladevi Radhakrishnan, Raviprakash Jayaraman, Chandrasekhar Bhaskaran Nair, Pillarisetti Venkata Subbarao
  • Patent number: 8282692
    Abstract: The present invention relates to a biofuel composition comprising distilled technical cashew nut shell liquid (DT-CNSL) and atleast one petroleum product optionally alongwith plant oils and fuel additive(s). It also relates to a process for preparation of biofuel composition and a method of fueling biofuel composition.
    Type: Grant
    Filed: June 26, 2008
    Date of Patent: October 9, 2012
    Assignee: Bigtec Private Limited
    Inventors: Chandrasekhar Bhaskaran Nair, Pillarisetti Venkata Subbarao, Phanikumar Pullela, Gopalkrishna Mangalore Kini
  • Publication number: 20120077966
    Abstract: The present disclosure relates to a field of recombinant DNA therapeutics. It involves the bio-informatics design, synthesis of artificial gene for human insulin precursor including leader peptide coding sequence, cloning in an expression vector and expression in an organism, preferably Pichia pastoris. The present disclosure also relates to methods of downstream processing for obtaining protein precursor molecules and subsequent conversion of precursor molecules to functional proteins.
    Type: Application
    Filed: March 12, 2010
    Publication date: March 29, 2012
    Applicant: BIGTEC PRIVATE LIMITED
    Inventors: Mulakkapurath Narayanan Manoj, Venkata Ramachandra Rao Vasamsetty, Madhuri Baliga, Kirubakaran Naveen Kumar, Chandrasekhar Bhaskaran Nair, Pillarisetti Venkata Subbarao