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    • 6. 发明申请
    • HIGH-THROUGHPUT MONODISPERSE AEROSOLS OF MICRO-SHELL PARTICLES
    • US20230028572A1
    • 2023-01-26
    • US17778135
    • 2020-11-19
    • The Trustees of Princeton University
    • Maksym MEZHERICHERHoward A. STONE
    • B05B17/04B65D83/28
    • Disclosed herein is a simple method for generation of high-throughput aerosols of monodisperse micro-shell particles. To create the aerosol, small nozzles are employed blowing slightly compressed air on a thin liquid film. This allows one to generate bubble aerosols consisting of particles having a thin liquid shell surrounding a gas core, which are suspended in a carrier gas flow or environment. The diameter of the created liquid shells is uniform and scales with the inner diameter of the blowing nozzle, enabling control on the size of the produced monodispersed aerosol and formation of particles between few microns to several hundred of microns in outer diameter. The process throughput is very high, reaching several thousands of particles with liquid micro-shells per second for one blowing nozzle. The generated aerosol particles are extremely light-weight (few micrograms) and have very small wall thickness (couple of microns), which enables precise delivery of materials and rapid evaporation of solvent in their liquid walls. The process production rate is easily scalable. In terms of possible applications, liquid used for aerosol generation can be enriched with suspended or dissolved materials, for instance by a medical drug for direct delivery into a patient's airways, or by organic/inorganic solvent which solidifies during drying enabling formation of soft or rigid spherical shells out of particles with liquid shells. The blowing gas can have suspended micron/nano particles in it and these particles will be encapsulated by liquid walls of formed micro-shells, which can potentially solidify during their motion, and thus produced aerosols can be used as transport agents for material delivery. Formation of fine monodisperse liquid or solid foams is possible by collecting liquid micro-shells from the generated aerosol on a surface or in a vessel, while the liquid walls of particles of adhere to each other and then can solidify due to solvent evaporation, freezing or polymerization.
    • 9. 发明申请
    • VARIATION POLYGENIC INDEX/SCORE
    • US20220319636A1
    • 2022-10-06
    • US17696069
    • 2022-03-16
    • The Trustees of Princeton University
    • Dalton Conley
    • G16B20/40G16B20/20G16B40/00G16B50/00G16B30/00
    • Disclosed is a method for calculating genetic score based on genotypic information that predicts plasticity in a phenotype. More particularly, disclosed is an algorithm to calculate a particular type of genetic score based on basic genotypic information that is provided by commercially available technologies ranging from “SNP-chips” to whole genome sequencing. Polygenic scores— attempts to summarize the genetic propensity for or risk of a given phenotype (i.e., disease or trait)—have been around for more than a decade. They aim to predict the level of a trait—i.e., how tall or short someone may be or what their blood pressure or BMI might be. The Variation Polygenic Score (“vPGS”) disclosed herein is different. Its purpose is not to predict whether someone who scores higher or lower on the vPGS will be, for instance, heavier or lighter or have a higher or lower IQ. Rather, it is formulated to predict variation. The disclosed vPGS does not predict the mean level but rather the dispersion around that mean. It likely also predicts individual changes in a phenotype over the lifecourse (e.g., whether an individual tends to fluctuate greatly in weight). The disclosed approach is very suited for gene-environment interaction studies: that is, it is a good measure of the genetic propensity to be influenced by the environment for or intervention on a particular trait, disease or other phenotype.