Search Results - hai-quan+mao

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Nanofiber Nerve Cuffs to Inhibit Neuroma Formation
Nanofiber Nerve Cuff to Inhibit Neuroma FormationJHU Ref #: [C17593]Value Proposition:·        This device can be used to cap the end of a severed nerve to prevent unwanted nerve growth through a combination of physical and biochemical mechanisms.·        This device is more effective than existing nerve caps and cuffs, due to the inclusion of bioactive...
Published: 3/14/2025   |   Inventor(s): Hai-Quan Mao, Sami Tuffaha, Ahmet Hoke, Anson Zhou, Bruce Enzmann, Michael Lan, Erica Lee, Ruifa Mi, Russell Martin
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Category(s): Clinical and Disease Specializations > Neurology, Technology Classifications > Medical Devices, Technology Classifications > Medical Devices > Therapeutic Devices
Biodegradable Nanofiber Conical Conduits for Targeted Muscle Reinnervation
Unmet NeedThere are 2 million amputees in the United States, with limb loss attributed to diabetes mellitus, vascular disease, trauma, and malignancy of bone and joints (Amputee Coalition, 2021 and Ziegler-Graham, et al., 2008).  Living with an amputation and the adoption of assistive devices like prosthetics can be challenging, with chronic pain especially...
Published: 3/14/2025   |   Inventor(s): Hai-Quan Mao, Sami Tuffaha, Ahmet Hoke, Michael Lan, Bruce Enzmann, Anson Zhou, Alison Wong, Erica Lee, Sai Pinni
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A mRNA Lipid Nanoparticle Incorporated Nanofiber-hydrogel Composite to Generate a Local Immunostimulatory Niche for Immunotherapy
Value Proposition:·        Creates a programmable immunostimulatory niche.·        Allows for tailor-made immune responses to vaccines and antigens.·        Flexible drug delivery platform enables mRNA therapeutics for infectious diseases and cancers.·        Applicable to existing mRNA vaccines for improved efficacy. ·        Can be utilized for novel...
Published: 3/14/2025   |   Inventor(s): Hai-Quan Mao, Yining Zhu, Jingyao Ma, Zhicheng Yao, Christine Wei
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Category(s): Clinical and Disease Specializations > Infectious Diseases, Clinical and Disease Specializations > Oncology, Clinical and Disease Specializations > Research Tools, Technology Classifications > Therapeutic Modalities > Therapeutic Delivery Platforms, Technology Classifications > Therapeutic Modalities > Vaccines, Technology Classifications > Research Tools > Microfluidics
Composition of Media with Defined Fluid Viscosity for Enhancing Intracellular Delivery of Nanoparticles and Viral Vectors, and Methods of Use
Unmet Need·        Production of gene therapies, cell therapies, and recombinant proteins are largely dependent on efficient transfection using viral vectors or nanoparticle vehicles to deliver genetic cargo. However, although numerous transfection reagents have been developed, many strategies still suffer from low efficiency in particular cell-lines...
Published: 3/14/2025   |   Inventor(s): Hai-Quan Mao, Yining Zhu, Jingyao Ma, Sean Sun, Zhuoxu Ge, Qin Ni
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Category(s): Technology Classifications > Research Tools > Buffers & Media Solutions, Technology Classifications > Research Tools > Vectors & Plasmids, Technology Classifications > Research Tools > Viruses, Technology Classifications > Research Tools > Nucleic Acids
Kinetically controlled methods to prepare concentrated shelf-stable nucleic acid transfection vehicles
Value Proposition:·        Technology creates particles optimally size for use as vehicles for cell transfection.·        The reagents and processes for particle creation are kinetically controlled and reproducible.·        Cationic particles created using these methods can carry larger payloads than current vehicles.·        Reagents and nucleic acid-loaded...
Published: 3/14/2025   |   Inventor(s): Hai-Quan Mao, Yizong Hu, Jinghan Lin
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Category(s): Technology Classifications > Engineering Tech > Bioreactors, Technology Classifications > Engineering Tech > Materials, Technology Classifications > Industrial Tech > Bioreactors, Technology Classifications > Research Tools > Buffers & Media Solutions, Technology Classifications > Research Tools > Nucleic Acids, Technology Classifications > Research Tools > Peptides, Technology Classifications > Research Tools > Vectors & Plasmids, Technology Classifications > Research Tools > Cell Lines, Technology Classifications > Therapeutic Modalities > Gene Therapies, Technology Classifications > Therapeutic Modalities > Cell Therapies, Technology Classifications > Therapeutic Modalities > Peptides, Technology Classifications > Therapeutic Modalities > Therapeutic Delivery Platforms
Nanofiber Hydrogel Composite Gel to Prevent Scarring and Adhesion of Peripheral Nerves
JHU Ref #: [C17294] Value Proposition:·       Application of composite hydrogel to mechanically irritated nerves can reduce perineural adhesions and scar formation.·       Improves patient outcomes following peripheral nerve surgery. Technology Description·       Researchers at Johns Hopkins have developed a nanofiber-hydrogel composite (NHC) material...
Published: 3/14/2025   |   Inventor(s): Hai-Quan Mao, Sami Tuffaha, Sashank Reddy, Visakha Suresh, Thomas Harris, Chenhu Qiu
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Category(s): Technology Classifications, Technology Classifications > Medical Devices > Plastic Surgery, Technology Classifications > Medical Devices > Regenerative Medicine, Technology Classifications > Medical Devices > Surgery, Technology Classifications > Medical Devices > Therapeutic Devices, Technology Classifications > Engineering Tech > Materials, Technology Classifications > Therapeutic Modalities > Therapeutic Delivery Platforms, Technology Classifications > Therapeutic Modalities > Dendrimers & Polymers
Compositions of Lipid Nanoparticles for Plasmid DNA Delivery to the Liver and Methods for Preparing the Same
Value Proposition:·        Library screen of lipid nanoparticles to develop compositions for efficient transfection and tissue-specific delivery.·        Selected high efficiency lipid nanoparticles for delivering plasmid DNA, siRNA, and mRNA. Technology Description·        Researchers at Johns Hopkins have developed a multi-step screening method to...
Published: 3/14/2025   |   Inventor(s): Hai-Quan Mao, Yining Zhu, Sashank Reddy, Ruochen Shen, Ivan Vuong, Jingyao Ma, Leonardo Cheng
Keywords(s):  
Category(s): Technology Classifications > Therapeutic Modalities, Technology Classifications > Therapeutic Modalities > Therapeutic Delivery Platforms
Polymeric Nanoparticle Compositions for Encapsulation and Sustained Release of Neuromodulators
JHU Ref #: C16591Value Proposition·      Protein delivery system with tunable, sustained release profile, high payload capacity, and bioactivity retention·      Neurotoxin release profile of at least 120 days·      Scalable and translational manufacturing processUnmet Need·      Neurotoxins are widely used in the aesthetic and therapeutic space. Among...
Published: 3/14/2025   |   Inventor(s): Hai-Quan Mao, Sashank Reddy, Chenhu Qiu
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Category(s): Technology Classifications, Technology Classifications > Therapeutic Modalities
Compositions of Kinetic Nanoparticles containing Nucleic Acids, Polycations, and Lipids with Defined Sizes, and Methods of Producing the Same
Value Proposition:·        Scalable, efficient, and tunable nanoparticle creation technique that can deliver a variety of payloads·        Polymer-lipid nanoparticles are biodegradable and are being tested for immunogenicity·        Can be used for in vivo gene therapy delivery as well as in vitro cell transfection and research applications Technology...
Published: 3/14/2025   |   Inventor(s): Hai-Quan Mao, Stephany Tzeng, Jordan Green, Yizong Hu, Sashank Reddy, Leonardo Cheng
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Category(s): Clinical and Disease Specializations > Immuno-Oncology, Clinical and Disease Specializations > Oncology, Technology Classifications > Engineering Tech > Materials, Technology Classifications > Research Tools > Nucleic Acids, Technology Classifications > Research Tools > Peptides, Technology Classifications > Research Tools > Vectors & Plasmids, Technology Classifications > Therapeutic Modalities > Gene Therapies, Technology Classifications > Therapeutic Modalities > Peptides, Technology Classifications > Therapeutic Modalities > Proteins, Technology Classifications > Therapeutic Modalities > Therapeutic Delivery Platforms
Methods for Payload and Size Characterization of Nucleic Acid Nanoparticles
Polymeric and lipid nanoparticles (NPs) are an effective and safe method for therapeutic delivery. At each of the various steps in nanoparticle development and manufacturing (i.e., research and design, quality assurance), assessing the features of these vehicles is essential. Some features (i.e., packaging characteristics, cargo location, structure...
Published: 3/14/2025   |   Inventor(s): Tza-Huei Wang, Hai-Quan Mao, Sixuan Li, Yizong Hu, Andrew Li
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Category(s): Technology Classifications > Therapeutic Modalities > Therapeutic Delivery Platforms, Technology Classifications > Research Tools > Imaging, Technology Classifications > Research Tools > Nucleic Acids
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