Patents Assigned to Boston College
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Publication number: 20240053295Abstract: A method and system for label-free detection of pathogenic and antibiotic resistant bacteria is disclosed. The method includes fabricating a G-FET/peptide device having a synthesized peptide probe capable of recognizing and binding to a bacterial target; performing electric-field assisted binding of at least one bacterial cell of the bacterial target to the G-FET/peptide device; and electrically detecting the binding of the at least one bacterial cell to the G-FET/peptide device.Type: ApplicationFiled: October 13, 2023Publication date: February 15, 2024Applicant: The Trustees of Boston CollegeInventors: Kenneth S. Burch, Tim van Opijnen, Jianmin Gao, Narendra Kumar, Juan C. Ortiz-Marquez, Wenjian Wang, Mason Gray
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Patent number: 11890351Abstract: Novel biomolecular conjugates containing non-natural aromatic chemical moieties covalently coupled to a diazonium compound and methods of their use are disclosed.Type: GrantFiled: June 19, 2018Date of Patent: February 6, 2024Assignee: Trustees of Boston CollegeInventors: Abhishek Chatterjee, Partha Sarathi Addy
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Publication number: 20230350270Abstract: The present technology relates to an optical logic circuit device. The optical logic circuit device includes a first input port and a second input port. A symmetric arrangement of waveguides is coupled to the first input port and the second input port. The symmetric arrangement of waveguides having a pair of topologically protected edge states that provide propagation paths through the symmetric arrangement of waveguides. An output port is coupled to the symmetric arrangement of waveguides. Methods of fabricating and using the optical logic circuit device are also disclosed.Type: ApplicationFiled: April 27, 2023Publication date: November 2, 2023Applicant: The Trustees of Boston CollegeInventors: Juan M. Merlo-Ramirez, Michael J. Naughton
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Publication number: 20230293441Abstract: Disclosed is a method for the cellular uptake of sugar-coated melanin nanoparticles by metastatic cancer cells followed by illumination with nonionizing radiation (e.g., visible or IR light) causing cell death.Type: ApplicationFiled: March 16, 2023Publication date: September 21, 2023Applicant: The Trustees of Boston CollegeInventors: Krzysztof Kempa, MICHAEL J NAUGHTON
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Patent number: 11760990Abstract: Methods and compositions are described for selecting and identifying orthogonal aminoacyl synthetase-tRNA pairs and their use to incorporate unnatural amino acids in a site-specific manner in proteins. Specifically described is a novel E. coli tryptophanyl synthetase-tRNA pair that functions as both an opal and amber suppressor and that incorporates tryptophan analogs into proteins.Type: GrantFiled: July 21, 2020Date of Patent: September 19, 2023Assignee: Trustees of Boston CollegeInventors: Abhishek Chatterjee, James Italia
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Patent number: 11655468Abstract: Provided is a chemically modified phage display platform and method of use thereof. More specifically, the present disclosure provides a chemically modified phage display library that incorporates 2-acetylphenylboronic acid (APBA) moieties to elicit dynamic covalent binding to the bacterial cell surface. The APBA-modified phage display libraries described herein are applicable to a wide array of bacterial strains and/or mammalian cells, paving the way to facile diagnosis and development of strain-specific antibiotics, and/or peptide-antibiotic conjugates for effective and targeted treatment. Also provided are therapeutic peptides, and pharmaceutical compositions thereof, that are identified by screening the phage display library of the present disclosure, and method of use of such therapeutic peptides for effective and targeted treatment.Type: GrantFiled: January 25, 2021Date of Patent: May 23, 2023Assignee: The Trustees of Boston CollegeInventor: Jianmin Gao
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Patent number: 11639554Abstract: A flow cell for reducing carbon dioxide may include a first chamber having a gold coated gas diffusion layer working electrode, a reference electrode, and a water-in-salt electrolyte comprising a super concentrated aqueous solution of lithium bis-(trifluoromethanesulfonyl)imide (LiTFSI). A second chamber adjacent the first chamber has a gold coated gas diffusion layer counter electrode and the water-in-salt electrolyte. The second chamber being separated from the first chamber by a proton exchange membrane. A reservoir coupled to each of the first and the second chambers with a pump contains a volume of the water-in-salt electrolyte and a head space.Type: GrantFiled: December 16, 2020Date of Patent: May 2, 2023Assignee: The Trustees of Boston CollegeInventors: Dunwei Wang, Qi Dong, Xizi Zhang
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Publication number: 20230088558Abstract: The present invention provides a method of making fire-resistant battery cells comprising nonflammable electrolytes, and use thereof.Type: ApplicationFiled: September 16, 2022Publication date: March 23, 2023Applicant: The Trustees of Boston CollegeInventors: Dunwei Wang, Haochuan Zhang, Jingru Luo
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Patent number: 11591634Abstract: The present disclosure provides a novel integrated entropy-based method that combines genome-wide profiling and network analyses for diagnostic and prognostic applications. The present disclosure further provides the integration of multiomics datasets, network analyses and machine learning that enable predictions on diagnosing infectious diseases and predicting the probability that they will escape treatment/the host immune system and/or become antibiotic resistant. The present disclosure provides a primary gateway towards the development of highly accurate infectious disease prognostics.Type: GrantFiled: April 3, 2020Date of Patent: February 28, 2023Assignee: The Trustees of Boston CollegeInventors: Tim van Opijnen, Zeyu Zhu, Defne Surujon
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Publication number: 20220389407Abstract: The present disclosure provides a novel approach, recomSELEX, that highly integrate mutually supportive recombination and computational methods for aptamer selection and identification. The recomSELEX approach comprises a recombinatorial SELEX platform for aptamer screening that exponentially increases the sequence space that is explored by incorporation of a DNA shuffling step that allows recombination between aptamers. Subsequently, the recombinatorial SELEX platform can also be employed to develop new and optimize already existing aptamers. The recomSELEX further comprises a computational SELEX platform with a constrained genetic algorithm (GA) to identify potential aptamers that are stable and have the desired specificity and affinity of a target.Type: ApplicationFiled: May 27, 2022Publication date: December 8, 2022Applicant: The Trustees of Boston CollegeInventors: Tim van Opijnen, Juan C. Ortiz-Marquez, Stephen Hummel, José Bento
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Patent number: 11505568Abstract: In one aspect, the disclosure relates to a facile strategy to introduce electron-deficient aryl sulfate diesters to silylated hydroxyl groups of carbohydrates and amino acids, among other substrates, wherein selective hydrolysis and the removal of an electron-deficient aromatic group allows for the efficient generation of sulfated carbohydrates, peptides, and other compounds. The incorporation of electron-deficient aryl sulfate diesters in the early stage of the synthesis of glycans, peptides, and the like, disclosed herein avoids time-consuming protecting group manipulations, simplifies the purification of sulfated products, and improves the overall yield and efficiency. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.Type: GrantFiled: May 8, 2020Date of Patent: November 22, 2022Assignee: The Trustees of Boston CollegeInventors: Jia Niu, Chao Liu, Cangjie Yang
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Patent number: 11492370Abstract: Method of making a cross metathesis product, the method comprising at least step (X) or step (Y): (X) reacting in a cross metathesis reaction a first compound comprising a terminal olefinic group with a second compound comprising a terminal olefinic group, wherein the first and the second compound may be identical or may be different from one another; or (Y) reacting in a ring-closing metathesis reaction two terminal olefinic groups which are comprised in a third compound; wherein the reacting in step (X) or step (Y) is performed in the presence of a ruthenium carbene complex comprising a [Ru?C]-moiety and an internal olefin.Type: GrantFiled: July 20, 2018Date of Patent: November 8, 2022Assignee: Trustees of Boston CollegeInventors: Amir H. Hoveyda, Chaofan Xu, Xiao Shen
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Patent number: 11332426Abstract: Method of forming a trisubstituted ethylene compound, the method comprising: (A) providing a trisubstituted ethylene compound bearing a first, a second and a third substituent, in which the first and the second substituent are bound to the one olefinic carbon atom and are different from one another; (B) providing a monosubstituted ethylene compound or a disubstituted ethylene compound in which the substituents are vicinally bound to the olefinic carbon atoms, bearing at least a fourth substituent, respectively; (C) subjecting the trisubstituted ethylene compound provided in step (A) to a cross-metathesis reaction with olefin provided in step (B) to form said trisubstituted ethylene, wherein the cross-metathesis reaction is catalysed by a transition metal complex bearing ligands from which one ligand is a carbene ligand, wherein the carbene complex is characterized by a M=C moiety, wherein M is the transition metal; and wherein the reaction proceeds stereoselectively.Type: GrantFiled: September 21, 2018Date of Patent: May 17, 2022Assignees: Trustees of Boston College, Massachusetts Institute of TechnologyInventors: Amir H. Hoveyda, Thach T. Nguyen, Ming Joo Koh, Chaofan Xu, Sebastian Torker, Richard Royce Schrock
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Patent number: 11186678Abstract: Radical cascade reactions enabling sequence-controlled ring-closing polymerization and ring-opening polymerization for the controlled synthesis of polymers with complex main-chain structures are provided. Facile syntheses leading to low-strain macrocyclic monomers consisting of the ring-opening triggers and extended main-chain structures are also provided. The present disclosure further provides methods for excellent control over polymer molecular weights and molecular weight distributions and high chain-end fidelity allows for the preparation of polymeric systems with well-defined architectures. Further provided are the general nature of the radical cascade-triggered transformations in polymer chemistry, and its application to the synthesis of polymers with diverse main-chain structural motifs with tailored functions. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.Type: GrantFiled: December 2, 2019Date of Patent: November 30, 2021Assignee: Trustees of Boston CollegeInventors: Jia Niu, Hanchu Huang, Wenqi Wang
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Patent number: 11161827Abstract: In one aspect, the disclosure relates to a mode of asymmetric induction in radical processes based on sequential combination of enantiodifferentiative H-atom abstraction and stereoretentive radical substitution. Also disclosed is an asymmetric system for stereoselective synthesis of strained 5-membered cyclic sulfamides via radical 1,5-C—H amination of sulfamoyl azides. The disclosed metalloradical system can control the degree and sense of asymmetric induction in the catalytic radical C—H amination in a systematic manner. The disclosed system is applicable to a broad scope of substrates with different types of C(sp3)—H bonds and exhibits reactivity and selectivity, providing access to both enantiomers of useful 5-membered cyclic sulfamides in a highly enantioenriched form. Also disclosed are catalysts useful in these processes. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.Type: GrantFiled: April 6, 2020Date of Patent: November 2, 2021Assignee: The Trustees of Boston CollegeInventors: Xiao-Xiang Zhang, Kai Lang
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Patent number: 11117123Abstract: In one aspect, the disclosure relates to a mode of asymmetric induction in radical processes based on enhanced hydrogen-bonding capability and the situation of metal centers in cavity-like chiral environments. Also disclosed is an asymmetric system for stereoselective synthesis of cyclopropane and aziridine derivatives. The disclosed Co(II)-based metalloradical system has been shown to have an unusual capability of controlling both the degree and sense of asymmetric induction in cyclopropanation and aziridination reactions in a systematic manner. The disclosed system is applicable to a broad scope of substrates having diazo or azido moieties and exhibits a remarkable profile of reactivity and selectivity, providing access to cyclopropane diastereomers and aziridine enantiomers in highly enantioenriched forms. Also disclosed are catalysts useful in the disclosed processes.Type: GrantFiled: April 16, 2020Date of Patent: September 14, 2021Assignee: The Trustees of Boston CollegeInventors: Xiao-Xiang Zhang, Yang Hu
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Publication number: 20210198657Abstract: Provided is a chemically modified phage display platform and method of use thereof. More specifically, the present disclosure provides a chemically modified phage display library that incorporates 2-acetylphenylboronic acid (APBA) moieties to elicit dynamic covalent binding to the bacterial cell surface. The APBA-modified phage display libraries described herein are applicable to a wide array of bacterial strains and/or mammalian cells, paving the way to facile diagnosis and development of strain-specific antibiotics, and/or peptide-antibiotic conjugates for effective and targeted treatment. Also provided are therapeutic peptides, and pharmaceutical compositions thereof, that are identified by screening the phage display library of the present disclosure, and method of use of such therapeutic peptides for effective and targeted treatment.Type: ApplicationFiled: January 25, 2021Publication date: July 1, 2021Applicant: The Trustees of Boston CollegeInventor: Jianmin Gao
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Patent number: 11020730Abstract: The present disclosure provides compounds, compositions, and methods for preparing alkenyl halides and/or haloalkyl-substituted olefins with Z-selectivity. The methods are particularly useful for preparing alkenyl fluorides such as CF3-substituted olefins by means of cross-metathesis reactions using halogen-containing molybdenum and tungsten complexes.Type: GrantFiled: July 14, 2017Date of Patent: June 1, 2021Assignees: Massachusetts Institute of Technology, Trustees of Boston CollegeInventors: Amir H. Hoveyda, Ming Joo Koh, Thach T. Nguyen, Richard R. Schrock, Jakub Hyvl
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Publication number: 20210140919Abstract: A method and system for label-free detection of pathogenic and antibiotic resistant bacteria is disclosed. The method includes fabricating a G-FET/peptide device having a synthesized peptide probe capable of recognizing and binding to a bacterial target; performing electric-field assisted binding of at least one bacterial cell of the bacterial target to the G-FET/peptide device; and electrically detecting the binding of the at least one bacterial cell to the G-FET/peptide device.Type: ApplicationFiled: November 6, 2020Publication date: May 13, 2021Applicant: The Trustees of Boston CollegeInventors: Kenneth S. Burch, Tim van Opijnen, Jianmin Gao, Narendra Kumar, Juan C. Ortiz-Marquez, Wenjian Wang, Mason Gray
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Patent number: 10854937Abstract: Solar rechargeable battery combines the advantages of photoelectrochemical devices and batteries and has emerged as an attractive alternative to artificial photosynthesis for large-scale solar energy harvesting and storage. Due to the low photovoltages by the photoelectrodes, however, most previous demonstrations of unassisted photocharge have been realized on systems with low open circuit potentials (<0.8 V). In response to this critical challenge, here the present disclosure shows that the combined photovoltages exceeding 1.4 V can be obtained using a Ta3N5 nanotube photoanode and a GaN nanowire/Si photocathode with high photocurrents (>5 mA/cm2). The photoelectrode system makes it possible to operate a 1.2 V alkaline anthraquinone/ferrocyanide redox battery with a high ideal solar-to-chemical conversion efficiency of 3.0% without externally applied potentials. Importantly, the photocharged battery was successfully discharged with a high voltage output.Type: GrantFiled: January 16, 2019Date of Patent: December 1, 2020Assignee: The Trustees of Boston CollegeInventors: Dunwei Wang, Qingmei Cheng