Patents Assigned to INDIAN INSTITUTE OF TECHNOLOGY GUWAHATI
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Patent number: 11444648Abstract: The present invention relates to a portable, affordable and user-friendly mobile RF radiation detection device. The device is composed of three major parts, namely, a sensor arrangement, a processing 5 unit, and a power supply. The sensor arrangement consists of a flexible sensor and an associated circuit element having few passive electrical components. The substrate of the sensor was made of nanoparticle treated flexible material preferably paper treated with the gold nanoparticles (AuNPs). The electrically conducting patches made 10 of conductive materials preferably silver pastes on the substrate are the key component in detecting the RF radiation from the mobile. The electrical signal generated by the RF sensor is sent to the processing unit, which further transmitted the signal to a mobile android application for displaying the result.Type: GrantFiled: October 15, 2018Date of Patent: September 13, 2022Assignee: INDIAN INSTITUTE OF TECHNOLOGY, GUWAHATIInventors: Mitradip Bhattacharjee, Dipankar Bandyopadhyay
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Patent number: 11432744Abstract: The present invention discloses a Lung condition monitoring device for performing ultrafast detection of humidity level in exhaled air while breathing out and therefrom detect condition of the human lungs in real time. The Lung 5 condition monitoring device comprises a mouthpiece for forcibly exhaling air there through, one or more humidity sensor to measure the variable electrical resistance based on level of adsorption of water molecules thereon of the humidity content of exhaled air and real time monitoring unit operatively connected to said humidity sensor and having correlating means for correlating 10 the change in humidity level and related variation in the electrical resistance due to exhalation to peak flow rate of the exhaled air for monitoring lung condition.Type: GrantFiled: August 29, 2017Date of Patent: September 6, 2022Assignee: INDIAN INSTITUTE OF TECHNOLOGY, GUWAHATIInventors: Mitradip Bhattacharjee, Dipankar Bandyopadhyay, Harshal B. Nemade
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Patent number: 11268967Abstract: The present invention discloses a diagnostic device or kit for visual detection of bilirubin. Said diagnostic device or kit comprises chitosan stabilized gold nanoclusters based luminescence source, Cu2+ ions source for quenching luminescence intensity of said gold nanoclusters and recovery of quenched luminescence intensity in the presence of bilirubin. The said device enables non-invasive detection of hyper-bilirubinemia by thumb impression visually or from blood serum.Type: GrantFiled: June 2, 2016Date of Patent: March 8, 2022Assignee: INDIAN INSTITUTE OF TECHNOLOGY, GUWAHATIInventors: Arun Chattopadhyay, Anumita Paul, Srestha Basu, Amaresh Kumar Sahoo
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Patent number: 11213827Abstract: A device with integrated methods for carrying out reverse transcription polymerase chain reaction (RT-PCR) and/or array based analysis involving signal generating agents (gold nanoclusters) comprising a heating and cooling cycle based synthesis selectively with DIMA and protein as templates. The advancement is further directed to a portable device adapted for RT-PCR and array based gene and protein expression analyses based on a common detection agent involving luminescence of in-situ synthesized gold nanoclusters with adaptability for user friendly graphical user interface (GUI) for controlling, visualization and analysis of the data.Type: GrantFiled: June 2, 2016Date of Patent: January 4, 2022Assignee: Indian Institute of Technology GuwahatiInventors: Arun Chattopadhyay, Sunil Kumar Sailapu, Deepanjalee Dutta, Amaresh Kumar Sahoo, Siddhartha Sankar Ghosh
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Patent number: 11189432Abstract: Present invention discloses a microfluidic energy harvester for converting solar energy into electrical energy. A preferred embodiment of the present microfluidic energy harvester includes a substrate having an embedded central microchannel, electrolyte configured to reside and/or flow in said central microchannel and electrode assembly having one or more pair of electrodes arranged in a series and integrated with said central microchannel from sides ensuring direct contact between said pair for electrodes with said electrolyte while it reside and/or flow in said central microchannel for ensuing electrochemical photovoltaic effect to convert the solar energy into the electrical energy under direct solar illumination by working under regenerative conditions.Type: GrantFiled: August 29, 2017Date of Patent: November 30, 2021Assignee: INDIAN INSTITUTE OF TECHNOLOGY, GUWAHATIInventors: Mitradip Bhattacharjee, Seim Timung, Dipankar Bandyopadhyay, Tapas Kumar Mandal
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Transmittance based system/kit for point-of-care quantification of biomarkers sample and use thereof
Patent number: 10900909Abstract: A transmittance based system/kit for point-of-care quantification of biomarker samples includes a stage supporting a detection unit, an optical transmittance unit and a signal processing unit. The detection unit comprising reactive substrate is capable of undergoing a specific biomarker sample interactive reaction and generating a quantifiable optical signal proportional to the concentration of the said biomarker sample wherein the intensity of the color varies with the concentration of the analyte in the bio-sample. The optical transmittance unit, comprises a sample stage integrated with the light source and a photodetector, converting quantifiable optical signal transmitted through the reagent coated substrate detection unit to electrical signals, a signal processing unit connected to the said optical transmittance unit transduces the analogue electrical signal into the digital display signal.Type: GrantFiled: January 16, 2017Date of Patent: January 26, 2021Assignee: INDIAN INSTITUTE OF TECHNOLOGY, GUWAHATIInventors: Dipankar Bandyopadhyay, Nilanjan Mandal, Satarupa Dutta -
Publication number: 20210015402Abstract: Design and development of an affordable, user-friendly, and portable POCT hand tremor detection device has been reported. This device is composed of a detection unit, a flexible pressure sensor, a signal processing unit, and a power supply. The detection unit is composed of the sensor and press-knob. The flexible pressure sensor is a combination of usually spaced apart flexible polymer preferably polydimethylsiloxane, flexible substrate preferably paper, and a conductive coating preferably reduced graphene oxide (RGO). When the users put pressure on the press-knob through the fingers, the flexible pressure sensor actuates and bends so that conductive RGO layers on the flexible substrates come in contact with each other to generate an output current.Type: ApplicationFiled: August 29, 2017Publication date: January 21, 2021Applicant: INDIAN INSTITUTE OF TECHNOLOGY, GUWAHATIInventors: Mitradip BHATTACHARJEE, Dipankar BANYOPADHYAY, Sunny KUMAR
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Patent number: 10883182Abstract: A microfluidic electrolyzer includes a housing having a power source, a sea water reservoir, a downstream microfluidic reactor connected to the reservoir and a collector for storing the separated gases emanating from the microfluidic reactor. The downstream microfluidic reactor includes a substrate, a microchannel embedded with respect to the substrate and providing a water inlet end at one end and a product outlet at the other, and a pair of electrodes. The electrodes are electrically connected with the power source and each electrode has an operative end inserted within the microchannel constituting an anode and a cathode. The cathode and the anode are positioned one ahead of the other, from the water inlet end and maintained in direct contact with the water to generate the oxygen and hydrogen involving electrolysis of the water and in-situ separate pathways of the hydrogen and oxygen free of any mixing with each other.Type: GrantFiled: January 16, 2017Date of Patent: January 5, 2021Assignee: INDIAN INSTITUTE OF TECHNOLOGY, GUWAHATIInventors: Dipankar Bandyopadhyay, Tapas K Mandal, Saptak Rarotra
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Publication number: 20200303132Abstract: Present invention discloses a microfluidic energy harvester for converting solar energy into electrical energy. A preferred embodiment of the present microfluidic energy harvester includes a substrate having an embedded central microchannel, electrolyte configured to reside and/or flow in said central microchannel and electrode assembly having one or more pair of electrodes arranged in a series and integrated with said central microchannel from sides ensuring direct contact between said pair for electrodes with said electrolyte while it reside and/or flow in said central microchannel for ensuing electrochemical photovoltaic effect to convert the solar energy into the electrical energy under direct solar illumination by working under regenerative conditions.Type: ApplicationFiled: August 29, 2017Publication date: September 24, 2020Applicant: INDIAN INSTITUTE OF TECHNOLOGY, GUWAHATIInventors: Mitradip BHATTACHARJEE, Seim TIMUNG, Dipankar BANDYOPADHYAY, Tapas Kumar MANDAL
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Publication number: 20200163587Abstract: The present invention discloses a Lung condition monitoring device for performing ultrafast detection of humidity level in exhaled air while breathing out and therefrom detect condition of the human lungs in real time. The Lung 5 condition monitoring device comprises a mouthpiece for forcibly exhaling air there through, one or more humidity sensor to measure the variable electrical resistance based on level of adsorption of water molecules thereon of the humidity content of exhaled air and real time monitoring unit operatively connected to said humidity sensor and having correlating means for correlating 10 the change in humidity level and related variation in the electrical resistance due to exhalation to peak flow rate of the exhaled air for monitoring lung condition.Type: ApplicationFiled: August 29, 2017Publication date: May 28, 2020Applicant: INDIAN INSTITUTE OF TECHNOLOGY, GUWAHATIInventors: Mitradip BHATTACHARJEE, Dipankar BANDYOPADHYAY, Harshal B. NEMADE
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Publication number: 20180327916Abstract: A microfluidic electrolyzer includes a housing having a power source, a sea water reservoir, a downstream microfluidic reactor connected to the reservoir and a collector for storing the separated gases emanating from the microfluidic reactor. The downstream microfluidic reactor includes a substrate, a microchannel embedded with respect to the substrate and providing a water inlet end at one end and a product outlet at the other, and a pair of electrodes. The electrodes are electrically connected with the power source and each electrode has an operative end inserted within the microchannel constituting an anode and a cathode. The cathode and the anode are positioned one ahead of the other, from the water inlet end and maintained in direct contact with the water to generate the oxygen and hydrogen involving electrolysis of the water and in-situ separate pathways of the hydrogen and oxygen free of any mixing with each other.Type: ApplicationFiled: January 16, 2017Publication date: November 15, 2018Applicant: INDIAN INSTITUTE OF TECHNOLOGY, GUWAHATIInventors: Dipankar BANDYOPADHYAY, Tapas K MANDAL, Saptak RAROTRA
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Patent number: 9687364Abstract: The present invention mainly relates to knee joint and more particularly to the polymeric composite or nanocomposites based polycentric knee joint.Type: GrantFiled: August 31, 2015Date of Patent: June 27, 2017Assignees: DEPARTMENT OF BIOTECHNOLOGY, MINISTRY OF SCIENCE & TECHNOLOGY, INDIAN INSTITUTE OF TECHNOLOGY GUWAHATIInventors: Srinivasan Arun, Subramani Kanagaraj