Patents Assigned to Tuskegee University
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Publication number: 20240197830Abstract: Interferon-?-inducible protein 10 (IP-10) peptides, IP-10 peptide variants and in silico designed C-X-C chemokine receptor 3 (CXCR3) peptide agonists are described. The small peptides can be used for inhibiting pathological tissue remodeling and treating fibrosis in a subject, such as a subject with fibrosis of the heart, lung, liver, kidney or skin. The peptide agonists can also be used to treat cardiovascular disease, including myocardial infarction and ischemia-reperfusion injury. Also described are in silico designed peptide antagonists that bind CXCR3 or ligands of CXCR3. These antagonist peptides block CXCR3 signaling by disrupting interaction of CXCR3 with its ligand. Antagonist peptides can be used, for example, to treat myocarditis and atherosclerosis. In additional embodiments agonists and antagonists of CXCR4 are disclosed.Type: ApplicationFiled: January 23, 2024Publication date: June 20, 2024Applicants: University of Pittsburgh - Of the Commonwealth System of Higher Education, Tuskegee University, The University of North Carolina at Chapel Hill, The United States Government as represented by the Department of Veterans AffairsInventors: Cecelia C. Yates-Binder, Jesse Jaynes, Monte S. Willis, Richard J. Bodnar, Zariel I. Johnson
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Patent number: 11918625Abstract: Interferon-?-inducible protein 10 (IP-10) peptides, IP-10 peptide variants and in silico designed C-X-C chemokine receptor 3 (CXCR3) peptide agonists are described. The small peptides can be used for inhibiting pathological tissue remodeling and treating fibrosis in a subject, such as a subject with fibrosis of the heart, lung, liver, kidney or skin. The peptide agonists can also be used to treat cardiovascular disease, including myocardial infarction and ischemia-reperfusion injury. Also described are in silico designed peptide antagonists that bind CXCR3 or ligands of CXCR3. These antagonist peptides block CXCR3 signaling by disrupting interaction of CXCR3 with its ligand. Antagonist peptides can be used, for example, to treat myocarditis and atherosclerosis. In additional embodiments agonists and antagonists of CXCR4 are disclosed.Type: GrantFiled: April 20, 2022Date of Patent: March 5, 2024Assignees: University of Pittsburgh—Of the Commonwealth System of Higher Education, Tuskegee UniversityInventors: Cecelia C. Yates-Binder, Jesse Jaynes
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Patent number: 11878914Abstract: This invention relates to cost-effective methods for synthesizing metallic nanoparticles in high yield using non-dendrimeric branched polymeric templates, such as branched polyethyleneimine. This invention also provides a high-throughput apparatus for synthesizing metallic nanoparticles under conditions that produce less waste than conventional nanoparticle synthesis methods. Also provided are metallic nanoparticles and multi-metallic nanoparticle compositions made by methods and high-throughput apparatus of the invention.Type: GrantFiled: February 12, 2021Date of Patent: January 23, 2024Assignee: TUSKEGEE UNIVERSITYInventors: Michael L. Curry, Aiesha L. Ethridge, Demetrius Finley
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Patent number: 11661486Abstract: A biopolymer film is provided that comprises a combination of crystalline nano cellulose (CNC)/esterified crystalline nano cellulose (ECNC) reinforced with chitosan. The two polymer components can be present in any ratio, but an approximate CNC to ECNC 70:30 ratio is preferred. The chitosan component is derived from exoskeletons of crustaceans. Also provided are methods of preparing biopolymer film and preparing food packaging components from said biopolymer film. The CNC/ECNC mixture is dissolved in an ethanol solution and the chitin is dissolved in acetic acid and mixed together to form a polymer blend.Type: GrantFiled: June 21, 2022Date of Patent: May 30, 2023Assignee: TUSKEGEE UNIVERSITYInventors: Vijaya K. Rangari, Samia Islam, Woubit Abebe
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Patent number: 11624748Abstract: There is disclosed a method for selectively detecting epithelial to mesenchymal transition (EMT) phenotypic cells but not noncancerous/normal epithelial cells and breast fibroblasts in a biological sample or a patient. The compositions comprise novel binding peptides that specifically bind to EMT cancer cells. EMT phenotypic cells can be identified using the specific peptides and quantitatively measured by detection of a complex of the peptide and a detectable marker. Further, nanodevices incorporating specific EMT phage ligand may be used to identify EMT cancer cells in vivo. Also disclosed are the novel binding phage peptides, and compositions and nanodevices containing the phage ligand for carrying out methods of the invention.Type: GrantFiled: December 17, 2020Date of Patent: April 11, 2023Assignee: TUSKEGEE UNIVERSITYInventors: Deepa Bedi, Kelvin Jones
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Patent number: 11613648Abstract: A biopolymer blend is provided that comprises a combination of three components: poly (butylene adipate-co-terephthalate) (PBAT); agriculture sourced polylactic acid (PLA); and engineered proteinaceous eggshell nanoparticles. The two polymer components can be present in any ratio but an approximate 70:30 ratio is preferred. The engineered proteinaceous eggshell nanoparticles are preferably about 10-25 nanometers. Also provided are methods of preparing biopolymer film and packaging components. Pelleted poly (butylene adipate-co-terephthalate) and agriculture sourced polylactic acid (PLA) are dissolved in chloroform and mixed together to form a polymer blend, and engineered proteinaceous eggshell nanoparticles are incorporated into the polymer blend, which is then extruded to create a biopolymer film or component.Type: GrantFiled: August 3, 2021Date of Patent: March 28, 2023Assignee: TUSKEGEE UNIVERSITYInventors: Vijaya Rangari, Boniface Tiimob
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Publication number: 20220313777Abstract: Administration via inhalation of small peptides that mimic CXCL10 (FIBROKINE™ peptides) is described. The peptides can be administered as an aerosol, such as an aerosol with a droplet size small enough to reach lung alveoli. Use of the peptides to treat fibrosis, such as lung fibrosis, is described.Type: ApplicationFiled: September 10, 2020Publication date: October 6, 2022Applicants: University of Pittsburgh - Of the Commonwealth System of Higher Education, Tuskegee UniversityInventors: Cecelia C. Yates, Timothy E. Corcoran, Zariel I. Johnson, Jesse Jaynes
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Patent number: 11447834Abstract: Disclosed are novel genetic arrays for use in the molecular detection of multiple Salmonella serovars, common food-borne and water-borne pathogens. The arrays may be used to simultaneously detect multiple food safety Salmonella serovars. The multiplex-detection methods have improved sensitivity and specificity for the detection of multiple high-impact food-borne pathogens simultaneously. Real-time PCR assaying techniques using such serovars include microarrays.Type: GrantFiled: June 4, 2019Date of Patent: September 20, 2022Assignee: TUSKEGEE UNIVERSITYInventors: Woubit Abebe, Khaled Aldhami, Sayma Afroj, Temesgen Samuel, Gopal Reddy
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Publication number: 20220257718Abstract: Interferon-?-inducible protein 10 (IP-10) peptides, IP-10 peptide variants and in silico designed C—X—C chemokine receptor 3 (CXCR3) peptide agonists are described. The small peptides can be used for inhibiting pathological tissue remodeling and treating fibrosis in a subject, such as a subject with fibrosis of the heart, lung, liver, kidney or skin. The peptide agonists can also be used to treat cardiovascular disease, including myocardial infarction and ischemia-reperfusion injury. Also described are in silico designed peptide antagonists that bind CXCR3 or ligands of CXCR3. These antagonist peptides block CXCR3 signaling by disrupting interaction of CXCR3 with its ligand. Antagonist peptides can be used, for example, to treat myocarditis and atherosclerosis. In additional embodiments agonists and antagonists of CXCR4 are disclosed.Type: ApplicationFiled: April 20, 2022Publication date: August 18, 2022Applicants: University of Pittsburgh - Of the Commonwealth System of Higher Education, Tuskegee UniversityInventors: Cecelia C. Yates-Binder, Jesse Jaynes
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Patent number: 11374188Abstract: A photovoltaic cell includes a substrate layer, an anode layer on the substrate layer, an active layer on the anode layer, and a cathode layer on the active layer, wherein the active layer comprises a plurality of disparately sized n-type and p-type nano-particles of different semiconductor materials randomly distributed in a conductive polymer blend. The n-type nano-particles can include either ZnO or In2O3 nano-particles, and the p-type nano-particles can include either NiO or La2O3 nano-particles. The conductive polymer blend can include P3HT. The bandgaps of the nano-particles have corresponding energies ranging from the near ultraviolet to the far infrared.Type: GrantFiled: December 5, 2019Date of Patent: June 28, 2022Assignee: Tuskegee UniversityInventors: Naga Korivi, Kalyan Das
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Patent number: 11365297Abstract: A biopolymer film is provided that comprises a combination of: crystalline nano cellulose (CNC)/esterified crystalline nano cellulose (ECNC) reinforced with chitosan. The two polymer components can be present in any ratio but an approximate CNC to ECNC 70:30 ratio is preferred. The chitosan component is derived from exoskeletons of crustaceans. Also provided are methods of preparing biopolymer film and preparing food packaging components from said biopolymer film. The CNC/ECNC mixture is dissolved in an ethanol solution and the chitin is dissolved in acetic acid and mixed together to form a polymer blend.Type: GrantFiled: January 3, 2019Date of Patent: June 21, 2022Assignee: TUSKEGEE UNIVERSITYInventors: Vijaya K Rangari, Samia Islam, Woubit Salah Abebe
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Patent number: 11338017Abstract: Interferon-?-inducible protein 10 (IP-10) peptides, IP-10 peptide variants and in silico designed C-X-C chemokine receptor 3 (CXCR3) peptide agonists are described. The small peptides can be used for inhibiting pathological tissue remodeling and treating fibrosis in a subject, such as a subject with fibrosis of the heart, lung, liver, kidney or skin. The peptide agonists can also be used to treat cardiovascular disease, including myocardial infarction and ischemia-reperfusion injury. Also described are in silico designed peptide antagonists that bind CXCR3 or ligands of CXCR3. These antagonist peptides block CXCR3 signaling by disrupting interaction of CXCR3 with its ligand. Antagonist peptides can be used, for example, to treat myocarditis and atherosclerosis. In additional embodiments agonists and antagonists of CXCR4 are disclosed.Type: GrantFiled: March 29, 2019Date of Patent: May 24, 2022Assignees: University of Pittsburgh—Of the Commonwealth System of Higher Education, Tuskegee UniversityInventors: Cecelia C. Yates-Binder, Jesse Jaynes
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Patent number: 11325099Abstract: A water filtration system is provided that comprises a combination of two components: silver nanoparticles immobilized on a porous carbon solid matrix and calcium carbonate silver nanoparticles. The silver nanoparticles immobilized on the porous carbon solid matrix are prepared in a one-step wet ball milling process that does not use an environmentally hazardous reducing agent or an organic stabilizer. The calcium carbonate in the calcium carbonate silver nanoparticles is preferably isolated from egg shells. The two filter components can be present in any ratio but an approximate 50:50 ratio is preferred. Also provided is an in situ method of preparing silver nanoparticles on active charcoal. Powdered activated charcoal and silver nitrate are mixed together in a mixture of ethanol and water to form a charcoal-silver nitrate solution which is then subjected to ball milling in the presence of polypropylene glycol to produce silver nanoparticles on active charcoal.Type: GrantFiled: October 30, 2019Date of Patent: May 10, 2022Assignee: TUSKEGEE UNIVERSITYInventors: Vijaya Rangari, Boniface Tiimob, Vitus Apalangya, Shaik Jeelani, Temesgen Samuel
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Patent number: 11230996Abstract: Embodiments of the present disclosure include an injection system. The injection system includes a Resonance Enhanced Microjet (REM) nozzle. The REM nozzles includes a REM nozzle block, the REM nozzle block having an inlet formed in a top and an outlet formed in a bottom, the inlet and outlet being fluid coupled together. The REM nozzle also includes one or more micronozzles positioned about the outlet, the one or more micronozzles having an outlet and being positioned at an angle relative to the bottom. Additionally, the REM nozzle includes an inlet conduit coupled to the REM nozzle block, the inlet conduit being fluidly coupled to the one or more micronozzles. The injection system also includes a source arranged proximate the top, the source directing a source jet of fluid into the inlet. The injection system includes a fuel supply fluidly coupled to the inlet conduit. Such a system can inject a fuel entrained in an oxidizer pulsing at very high-frequency.Type: GrantFiled: December 28, 2018Date of Patent: January 25, 2022Assignee: TUSKEGEE UNIVERSITYInventor: John Solomon
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Publication number: 20210263033Abstract: There is disclosed a method for selectively detecting epithelial to mesenchymal transition (EMT) phenotypic cells but not noncancerous/normal epithelial cells and breast fibroblasts in a biological sample or a patient. The compositions comprise novel binding peptides that specifically bind to EMT cancer cells. EMT phenotypic cells can be identified using the specific peptides and quantitatively measured by detection of a complex of the peptide and a detectable marker. Further, nanodevices incorporating specific EMT phage ligand may be used to identify EMT cancer cells in vivo. Also disclosed are the novel binding phage peptides, and compositions and nanodevices containing the phage ligand for carrying out methods of the invention.Type: ApplicationFiled: December 17, 2020Publication date: August 26, 2021Applicant: Tuskegee UniversityInventors: Deepa Bedi, Kelvin Jones
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Publication number: 20210261431Abstract: This invention relates to cost-effective methods for synthesizing metallic nanoparticles in high yield using non-dendrimeric branched polymeric templates, such as branched polyethyleneimine. This invention also provides a high-throughput apparatus for synthesizing metallic nanoparticles under conditions that produce less waste than conventional nanoparticle synthesis methods. Also provided are metallic nanoparticles and multi-metallic nanoparticle compositions made by methods and high-throughput apparatus of the invention.Type: ApplicationFiled: February 12, 2021Publication date: August 26, 2021Applicant: Tuskegee UniversityInventors: Michael L. CURRY, Aiesha L. ETHRIDGE, Demetrius FINLEY
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Patent number: 11084907Abstract: The invention relates to a method of manufacturing a nanocellulosic composition comprising cellulose nanoparticles and/or nanoparticles. The nanocellulosic compositions are useful in the manufacturing of biodegradable plastics. The invention also includes a method of manufacturing biodegradable plastics using such nanocellulosic compositions.Type: GrantFiled: July 5, 2018Date of Patent: August 10, 2021Assignee: TUSKEGEE UNIVERSITYInventors: Michael L. Curry, Donald White
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Patent number: 11078359Abstract: A biopolymer blend is provided that comprises a combination of three components: poly (butylene adipate-co-terephthalate) (PBAT); agriculture sourced polylactic acid (PLA); and engineered proteinaceous eggshell nanoparticles. The two polymer components can be present in any ratio but an approximate 70:30 ratio is preferred. The engineered proteinaceous eggshell nanoparticles are preferably about 10-25 nanometers. Also provided are methods of preparing biopolymer film and packaging components. Pelleted poly (butylene adipate-co-terephthalate) and agriculture sourced polylactic acid (PLA) are dissolved in chloroform and mixed together to form a polymer blend, and engineered proteinaceous eggshell nanoparticles are incorporated into the polymer blend, which is then extruded to create a biopolymer film or component.Type: GrantFiled: July 19, 2018Date of Patent: August 3, 2021Assignee: TUSKEGEE UNIVERSITYInventors: Vijaya Rangari, Boniface Tiimob
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Patent number: 11035820Abstract: A general methodology for the development of sensitive and selective sensors that can achieve a low cost detection of glucose without using enzymes is disclosed. The method uses carbon nanofiber (CNF) array electrodes for the electrochemical detection of glucose. CNFs grown by plasma enhanced chemical vapor deposition (PECVD) with diameters ranging from 13-160 nm and a height of approximately one micrometer are preferred. The CNFs have a sensitivity of 2.7 ?A/mM cm2 and detection limit of 2 mM. Also provided are methods of preparing the CNF sensors and kit components. Methods of using such CNF sensors for detecting target agents, particularly glucose, are also provided.Type: GrantFiled: March 26, 2019Date of Patent: June 15, 2021Assignee: Tuskegee UniversityInventors: Tamara Floyd Smith, Julaunica Tigner, Jessica Koehne
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Patent number: 11013529Abstract: A handle system includes a body extending between a first end and a second end. The handle system also includes a slot extending, at least partially, in the body, the slot forming a cavity. The handle system further includes a carrier arranged, at least partially, within the slot, the carrier further comprising a friction locker and at least one arm coupled to the friction locker, the at least one arm being rotatable about the friction locker. The handle system also includes a cap arranged on at least one of the first end or the second end. The handle system further includes a blade coupled to the at least one arm, the blade being rotatable about the axis between a retracted position where the blade is positioned within the slot and an extended position where the blade extends outwardly from the body.Type: GrantFiled: July 18, 2019Date of Patent: May 25, 2021Assignee: Tuskegee UniversityInventors: Deidre Quinn-Gorham, Sharanabasaweshwara Asundi, Jimesh Bhagatji