Patents and Patent Applications from Iowa State University


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8415489 Synthesis of polycyclic procyanidins  
The invention provides compounds that are A-type procyanidins. The compounds can be prepared by reacting flavylium salts with catechins or analogs thereof, for example, under anhydrous conditions...
US20130073561 RANDOM SAMPLING FROM DISTRIBUTED STREAMS  
Described herein are methods, systems, apparatuses and products for random sampling from distributed streams. An aspect provides a method for distributed sampling on a network with a plurality of...
US20130073221 SYSTEMS AND METHODS FOR IDENTIFICATION OF FLUID AND SUBSTRATE COMPOSITION OR PHYSICO-CHEMICAL PROPERTIES  
Techniques for identifying a composition of a target fluid using a set of vectors representing known residue patterns for a two or more fluids including said target fluid is provided. An exemplary...
US20130060067 NOVEL METHOD FOR THE CONVERSION OF CELLULOSE AND RELATED CARBOHYDRATE MATERIALS TO LOW-MOLECULAR-WEIGHT COMPOUNDS  
Methods of converting cellulose or related biorenewable carbohydrate materials into high-value chemical compounds. The methods provide a means of converting low-cost materials such as cellulose...
8392434 Random sampling from distributed streams  
Described herein are methods, systems, apparatuses and products for random sampling from distributed streams. An aspect provides a method for distributed sampling on a network with a plurality of...
8391164 Computing time-decayed aggregates in data streams  
Aggregates are calculated from a data stream in which data is sent in a sequence of tuples, in which each tuple comprises an item identifier and a timestamp indicating when the tuple was...
8383864 Method for the conversion of cellulose and related carbohydrate materials to low-molecular-weight compounds  
Methods of converting cellulose or related biorenewable carbohydrate materials into high-value chemical compounds. The methods provide a means of converting low-cost materials such as cellulose...
8366932 Micro-aeration of sulfide removal from biogas  
A novel method for treating sulfide-containing wastewater is described which involves treating sulfide-laden biogas produced in a bioreactor in a sulfide oxidizing unit (SOU). Oxidation in the SOU...
US20130030120 AMPHIPHILIC MULTI-ARM COPOLYMERS AND NANOMATERIALS DERIVED THEREFROM  
The present invention relates to polymers, nanomaterials, and methods of making the same. Various embodiments provide an amphiphilic multi-arm copolymer. The copolymer includes a core unit and a...
US20130029387 MATERIALS AND METHODS FOR USING AN ACYL-ACYL CARRIER PROTEIN THIOESTERASE AND MUTANTS AND CHIMERAS THEREOF IN FATTY ACID SYNTHESIS  
A method of increasing production of fatty acids comprising introducing into a host cell or organism and expressing therein an acyl-acyl carrier protein (ACP) thioesterase (TE) from Bryantella...
8361623 Sequestration of compounds from microorganisms  
The invention provides novel mesoporous particles and methods for the selective sequestration of organic compounds from microorganisms, such as from various genera and species of algae that...
8361545 Manufacturing method of photonic crystal  
A manufacturing method of a photonic crystal is provided. In the method, a high-refractive-index material is conformally deposited on an exposed portion of a periodic template composed of a...
8351106 Elastomeric device for tunable imaging  
An optical micro-electro-mechanical systems (MEMS) structure is provided. The structure includes an elastomer membrane, a plurality of polymer fibers attached to the elastomer membrane, an array...
US20130007916 MODULATION OF LOW CARBON DIOXIDE INDUCIBLE PROTEINS (LCI) FOR INCREASED BIOMASS PRODUCTION AND PHOTOSYNTHESIS  
The invention provides the disclosure of a novel plant/algae/cyanobacteria photosynthesis, biomass production, and productivity pathway involving low carbon dioxide inducible (LCI) proteins....
8345693 Cooperative spatial multiplexing  
A cooperative spatial multiplexing scheme in which the transmitter (source), equipped with a single antenna, forms virtual antenna arrays from a collection of distributed antennas belonging to...
US20120327953 DYNAMIC ADVANCE RESERVATION WITH DELAYED ALLOCATION  
A method of scheduling data transmissions from a source to a destination, includes the steps of: providing a communication system having a number of channels and a number of paths, each of the...
8334428 Backbone-free low transgene copy transgenic plants  
Methods and compositions reduce copy number of transgenes and minimizing vector backbone sequences in plant transformation. Agrobacterium strains with T-DNA integrated into the chromosomal DNA of...
8334056 High-temperature coatings with Pt metal modified γ-Ni + γ′-Ni3Al alloy compositions  
An alloy including: about 10 at % to about 30 at % of a Pt-group metal;less than about 23 at % Al;about 0.5 at % to about 2 at % of at least one reactive element selected from Hf, Y, La, Ce and...
US20120315182 Preparation of R5X4 materials by carbothermic processing  
A method for preparing R5X4 alloy materials where R is a rare earth element selected from one or more of La, Ce, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Lu, Sc, and Y and X represents a non-rare earth...
8309322 Diterpene modulator of macrophage phagosomal maturation  
Novel uses for diterpene modulators of macrophage phagosomal maturation are provided. The diterpene isotuberculosinol is used as an immune modulator, assay for pharmaceutical compositions and an...
US20120282130 Method for producing permanent magnet materials and resulting materials  
A carbothermic reduction method is provided for reducing a rare earth element-containing oxide including at least one of neodymium (Nd) and praseodymium (Pr) and possibly other rare earth elements...
US20120279636 FABRIC WINDING MACHINE  
An apparatus for fabric windings includes a rotating mandrel and a plurality of fabric supply rolls. The rotating mandrel pulls sheets of continuous fabric from the plurality of fabric supply...
8302944 Pneumatic vibration isolation device  
An apparatus that prevents collapse mode and sling-shot mode of the accumulated air spring vibration isolation system is presented. The apparatus is contained in an air spring which is connected...
US20120278929 miRNA396 AND GROWTH REGULATING FACTORS FOR CYST NEMATODE TOLERANCE IN PLANTS  
The present invention presents methods to alter the genetic composition of crop plants susceptible to nematode infection to improve tolerance to the same. Methods and compositions for modulating...
US20120270992 SURFACTANT-FREE CORE-SHELL HYBRID LATEXES  
The invention provides core-shell hybrid latexes wherein the core comprises poly(acrylate)polymers and the shell comprises vegetable oil-based waterborne polyurethanes, and the latexes lack...
US20120238732 OIL EXTRACTION FROM MICROALGAE  
A method of oil extraction and biomass recovery from microalgae is disclosed. Methods according to the invention extract lipids from a biomass source and concentrate protein in the solid biomass...
US20120233915 Solubilization of Coal and Bioconversion of Coal to Methane and Other Useful Products  
Coal is contacted, or treated, with at least one aromatic alcohol and/or cycloaliphatic alcohol to solubilize at least a portion of the treated coal. The treated coal is optionally bioconverted to...
8268271 Catalytic moving bed filter  
The present invention relates generally to a method for removing contaminants from a fluid stream and chemically upgrading the stream at the same time. More particularly, the invention relates to...
US20120222167 MATERIALS AND METHOD FOR MODIFYING A BIOCHEMICAL COMPONENT IN A PLANT  
A method of modifying the amount of at least one biochemical component in a plant comprising expressing Qua-Quine Starch (QQS) in the plant, the wild-type of which does not express QQS; a...
US20120212197 System and Method for Providing Power Via a Spurious-Noise-Free Switching Device  
A method of generating spurious-noise-free power from a switching device. The method includes generating an oscillating signal in the form of a series of pulse trains, and randomly changing the...
8246999 Capped mesoporous silicates  
The invention provides an article comprising, a mesoporous silicate matrix, such as a particle, having one or more pores; and one or more releasable caps obstructing one or more of the pores. The...
8241847 Identification of protective antigenic determinants of porcine reproductive and respiratory syndrome virus and uses thereof  
The invention relates to a polypeptide of a protective antigenic determinant (PAD polypeptide) of porcine reproductive and respiratory syndrome virus (PRRSV) and nucleic acids encoding a PAD...
US20120178131 TAL EFFECTOR-MEDIATED DNA MODIFICATION  
Materials and methods related to gene targeting (e.g., gene targeting with transcription activator-like effector nucleases; “TALENS”) are provided.
8212027 Process for the conversion of cyclic amines into lactams  
Converting cyclic amines to lactams using gold supported catalysts.
US20120151634 ASSAY FOR MEASURING ROOTWORM RESISTANCE  
A method for determining the resistance of a pest to a plant that produces insecticidal toxins. The method involves sampling pests in fields with known pest problems, and in control fields with no...
US20120145943 High Curie temperature ternary piezoelectric ceramics  
A preferred piezoelectric ceramic material is a BiFeO3—PbZrO3—PbTiO3 ternary solid solution wherein proportions of the constituent perovskite metal oxides are selected so that the material...
8197574 Dispersoid reinforced alloy powder and method of making  
A method of making dispersion-strengthened alloy particles involves melting an alloy having a corrosion and/or oxidation resistance-imparting alloying element, a dispersoid-forming element, and a...
8177610 Combination residue spreader and collector for single pass harvesting systems  
A crop residue harvesting system for a harvesting machine is provided. The crop residue harvesting system includes a blower and a transition member having a first position and a second position....
8173794 Compositions and methods for enhancing disease resistance in plants  
Compositions and methods for enhancing disease resistance in plants by modulating levels or activities of GmUBox1 polynucleotides and polypeptides are provided. Transformed plants, plant cells,...
8173104 Controlled-release immunogenic formulations to modulate immune response  
Single-dose controlled-release immunogenic formulations, such as vaccines, based on bioerodible polyanhydride copolymer or homopolymer microparticles for the control of immune response mechanisms...
8169322 Low profile metal-surface mounted RFID tag antenna  
A passive RFID tag suitable for attachment to an electrically conductive surface is provided. The passive RFID tag includes a dielectric substrate, an RFID chip for storing data, and an RFID...
US20120095190 NOVEL VEGETABLE PROTEIN FRACTIONIZATION PROCESS AND COMPOSITIONS  
According to the invention a novel vegetable protein fractionation procedure is disclosed which includes a straightforward process to obtain β-conglycinin-rich and glycinin-rich isolated protein...
8142832 Vegetable protein fractionization process and compositions  
According to the invention a novel vegetable protein fractionation procedure is disclosed which includes a straightforward process to obtain β-conglycinin-rich and glycinin-rich isolated protein...
8138358 Synthesis of polycyclic procyanidins  
The invention provides compounds that are A-type procyanidins. The compounds can be prepared by reacting flavylium salts with catechins or analogs thereof, for example, under anhydrous conditions...
US20120059175 SYNTHESIS OF POLYCYCLIC PROCYANIDINS  
The invention provides compounds that are A-type procyanidins. The compounds can be prepared by reacting flavylium salts with catechins or analogs thereof, for example, under anhydrous conditions...
US20120058466 DIFFERENTIAL IMMUNOASSAY FOR PRRS VACCINE ANTIBODY  
The present invention relates to immunoassays for serologically differentiating animals naturally infected with PRRS virus from animals vaccinated against PRRS. The immunoassays provide detection...
8128227 Method to detect transmissible spongiform encephalopathies via electroretinogram  
Disclosed is a method for identifying transmissible spongiform encephalopathy in livestock via an electroretinogram, the method comprises producing a biphasic electroretinogram waveform having an...
US20120052616 METHOD OF IMPROVING POWER CONVERSION EFFICIENCIES IN DYE-SENSITIZED SOLAR CELLS BY FACILE SURFACE TREATMENT  
Highly ordered anodic TiO2 nanotube arrays fabricated by electrochemical anodization and sensitized with dye to yield dye-sensitized TiO2 nanotube solar cells is described. With inorganic compound...
US20120049129 Aluminum/alkaline earth metal composites and method for producing  
A composite is provided having an electrically conducting Al matrix and elongated filaments comprising Ca and/or Sr and/or Ba disposed in the matrix and extending along a longitudinal axis of the...
US20120049113 METHOD OF CONTROLLING SHAPE OF SYNTHESIZED FERROELECTRIC OXIDE NANOCRYSTAL PARTICLES  
Shape controlled synthesis of ferroelectric nanocrystals such as barium titanate (BaTiO3) nanocrystals is described. By tuning the molar ratio between the surfactant and the metal precursors,...