Patents by Inventor Jianhong Pei
Jianhong Pei 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: 20210363560Abstract: A disposable test cartridge to determine the concentration of one or more liver enzymes in a blood sample includes a cartridge body having a plurality of chambers where at least one of the chambers contains a reactant mixture that reacts when catalyzed by one of the liver enzymes ALT, AST, ALP, or GGT in a blood sample forming a reaction solution, a removable cartridge cover connected to the cartridge body, and a test strip module connected to the cartridge body. The test strip module containing at least one analyte test strip configured for receiving a portion of the reaction solution and electrochemically measuring at least one analyte that is a reaction product in the reaction solution.Type: ApplicationFiled: September 17, 2019Publication date: November 25, 2021Applicant: Nova Biomedical CorporationInventors: Jianhong Pei, Joseph Bedard, Yiliyasi Wusimanjiang, Anthony Florindi, Chung Chang Young
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Publication number: 20210219876Abstract: A disposable biosensor that includes a sensing surface having at least a working electrode portion and a reference electrode portion, a first reagent disposed on the working electrode portion containing a NAD(P)-dependent dehydrogenase, NAD(P)+, diaphorase, and an oxidized form of a redox mediator forming a working electrode, and a reference electrode material disposed on the reference electrode portion forming a reference electrode.Type: ApplicationFiled: January 21, 2020Publication date: July 22, 2021Applicant: Nova Biomedical CorporationInventors: Jianhong Pei, Joseph Bedard, Aaron Tram, Samantha Mosley, Chung Chang Young
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Patent number: 9039874Abstract: A disposable urea sensor has a laminated body having a fluid sample inlet end and an electrical contact end, a fluid sample inlet, a substantially flat sample chamber in communication between the fluid sample inlet and a vent opening, the sample chamber being adapted to collect a fluid sample through the fluid sample inlet, a working electrode and a reference electrode within the sample chamber, and a reagent matrix disposed on the working electrode wherein the reagent matrix contains urease.Type: GrantFiled: November 12, 2013Date of Patent: May 26, 2015Assignee: Nova Biomedical CorporationInventors: Handani Winarta, Jianhong Pei, Mary Lauro, Chung Chang Young, Xiaohua Cai
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Publication number: 20150021205Abstract: A method of measuring lactate in a blood sample taken from capillary blood using a skin lancing procedure includes disposing onto an area of skin on an animal a predefined amount of a skin treatment compound that is capable of suppressing and/or eliminating and/or preventing and/or blocking any sweat from the skin in the area of a lanced wound site, the compound being disposed on the skin either before lancing the area of skin that provides a droplet of capillary blood for measurement of blood lactate concentration or after lancing the area of skin but before a droplet of capillary blood forms on the skin in order to prevent contaminating the blood sample, and then measuring the lactate concentration of the blood sample with a disposable lactate sensor strip.Type: ApplicationFiled: July 19, 2013Publication date: January 22, 2015Applicant: Nova Biomedical CorporationInventors: Jianhong Pei, Chung Chang Young
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Publication number: 20140069823Abstract: A disposable urea sensor has a laminated body having a fluid sample inlet end and an electrical contact end, a fluid sample inlet, a substantially flat sample chamber in communication between the fluid sample inlet and a vent opening, the sample chamber being adapted to collect a fluid sample through the fluid sample inlet, a working electrode and a reference electrode within the sample chamber, and a reagent matrix disposed on the working electrode wherein the reagent matrix contains urease.Type: ApplicationFiled: November 12, 2013Publication date: March 13, 2014Applicant: NOVA BIOMEDICAL CORPORATIONInventors: Handani Winarta, Jianhong Pei, Mary Lauro, Chung Chang Young, Xiaohua Cai
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Patent number: 8617366Abstract: A disposable urea sensor has a laminated body having a fluid sample inlet end and an electrical contact end, a fluid sample inlet, a substantially flat sample chamber in communication between the fluid sample inlet and a vent opening, the sample chamber being adapted to collect a fluid sample through the fluid sample inlet, a working electrode and a reference electrode within the sample chamber, and a reagent matrix disposed on the working electrode wherein the reagent matrix contains urease.Type: GrantFiled: December 12, 2005Date of Patent: December 31, 2013Assignee: Nova Biomedical CorporationInventors: Handani Winarta, Jianhong Pei, Mary Lauro, Chung Chang Young, Xiaohua Cai
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Patent number: 8500990Abstract: A biosensor for measuring an analyte in a liquid sample includes a working electrode having a dispensed reagent thereon wherein the dispensed reagent contains an enzyme capable of catalyzing a reaction involving the analyte, a mediator that is considered an enzyme inhibitor, and an enzyme co-factor where the working electrode provides a stable and sensitive response even when the biosensor is stored at ambient conditions for a period of time selected from the group consisting of at least 3 months, 12 months and two years or more.Type: GrantFiled: April 22, 2009Date of Patent: August 6, 2013Assignee: Nova Biomedical CorporationInventors: Jianhong Pei, Chung Chang Young
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Publication number: 20130098775Abstract: A disposable biosensor having improved long term storage stability including a working electrode and a reference electrode formed on an insulating substrate and a dissolvable reagent layer composition disposed directly on the working electrode where the reagent layer composition contains a glucose-based enzyme, a reagent component selected from a phosphate buffer and a tris reagent, and a redox mediator.Type: ApplicationFiled: October 20, 2011Publication date: April 25, 2013Applicant: NOVA BIOMEDICAL CORPORATIONInventors: Jianhong Pei, Andy Vo, Chung Chang Young
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Patent number: 7955484Abstract: A system for more accurately measuring glucose in a sample includes a first glucose-sensing electrode incorporating a quantity of glucose oxidase, a second glucose-sensing electrode incorporating a quantity of PQQ-glucose dehydrogenase, a reference electrode, and means for selecting between a first glucose measurement made with the first glucose-sensing electrode and a second glucose measurement made with the second glucose-sensing electrode.Type: GrantFiled: December 14, 2005Date of Patent: June 7, 2011Assignee: Nova Biomedical CorporationInventors: Xiaohua Cai, Chung Chang Young, Jianhong Pei, Andy Vo
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Patent number: 7951606Abstract: A bilirubin sensor has a working electrode with a first chemical matrix disposed thereon that contains a binder, a substrate electrode with a second chemical matrix dispose thereon that contains a binder and a chemical agent that consumes bilirubin, a reference electrode, a sample chamber containing the working electrode, the substrate electrode and the reference electrode, and a method of measuring bilirubin in a body fluid.Type: GrantFiled: May 24, 2010Date of Patent: May 31, 2011Assignee: Nova Biomedical CorporationInventors: Jianhong Pei, Mary M. Lauro, Chung Chang Young
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Publication number: 20100270175Abstract: A biosensor for measuring an analyte in a liquid sample includes a working electrode having a dispensed reagent thereon wherein the dispensed reagent contains an enzyme capable of catalyzing a reaction involving the analyte, a mediator that is considered an enzyme inhibitor, and an enzyme co-factor where the working electrode provides a stable and sensitive response even when the biosensor is stored at ambient conditions for a period of time selected from the group consisting of at least 3 months, 12 months and two years or.Type: ApplicationFiled: April 22, 2009Publication date: October 28, 2010Applicant: NOVA BIOMEDICAL CORPORATIONInventors: Jianhong Pei, Chung Chang Young
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Publication number: 20100224488Abstract: A bilirubin sensor has a working electrode with a first chemical matrix disposed thereon that contains a binder, a substrate electrode with a second chemical matrix dispose thereon that contains a binder and a chemical agent that consumes bilirubin, a reference electrode, a sample chamber containing the working electrode, the substrate electrode and the reference electrode, and a method of measuring bilirubin in a body fluid.Type: ApplicationFiled: May 24, 2010Publication date: September 9, 2010Inventors: Jianhong Pei, Mary M. Lauro, Chung Chang Young
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Patent number: 7749766Abstract: A bilirubin sensor has a working electrode with a first chemical matrix disposed thereon that contains a binder, a substrate electrode with a second chemical matrix dispose thereon that contains a binder and a chemical agent that consumes bilirubin, a reference electrode, a sample chamber containing the working electrode, the substrate electrode and the reference electrode, and a method of measuring bilirubin in a body fluid.Type: GrantFiled: January 12, 2007Date of Patent: July 6, 2010Assignee: Nova Biomedical CorporationInventors: Jianhong Pei, Mary M. Lauro, Chung Chang Young
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Publication number: 20080169206Abstract: A bilirubin sensor has a working electrode with a first chemical matrix disposed thereon that contains a binder, a substrate electrode with a second chemical matrix dispose thereon that contains a binder and a chemical agent that consumes bilirubin, a reference electrode, a sample chamber containing the working electrode, the substrate electrode and the reference electrode, and a method of measuring bilirubin in a body fluid.Type: ApplicationFiled: January 12, 2007Publication date: July 17, 2008Inventors: Jianhong Pei, Mary M. Lauro, Chung Chang Young
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Publication number: 20070131548Abstract: A disposable urea sensor has a laminated body having a fluid sample inlet end and an electrical contact end, a fluid sample inlet, a substantially flat sample chamber in communication between the fluid sample inlet and a vent opening, the sample chamber being adapted to collect a fluid sample through the fluid sample inlet, a working electrode and a reference electrode within the sample chamber, and a reagent matrix disposed on the working electrode wherein the reagent matrix contains urease.Type: ApplicationFiled: December 12, 2005Publication date: June 14, 2007Applicant: NOVA BIOMEDICAL CORPORATIONInventors: Handani Winarta, Jianhong Pei, Mary Lauro, Chung Young, Xiaohua Cai
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Publication number: 20070131549Abstract: A system for more accurately measuring glucose in a sample includes a first glucose-sensing electrode incorporating a quantity of glucose oxidase, a second glucose-sensing electrode incorporating a quantity of PQQ-glucose dehydrogenase, a reference electrode, and means for selecting between a first glucose measurement made with the first glucose-sensing electrode and a second glucose measurement made with the second glucose-sensing electrode.Type: ApplicationFiled: December 14, 2005Publication date: June 14, 2007Applicant: NOVA BIOMEDICAL CORPORATIONInventors: Xiaohua Cai, Chung Young, Jianhong Pei, Andy Vo