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National Research Council of Canada Patents
Assignee:
National Research Council of Canada
Address:
Ottawa, On, CA
No. of patents:
433
Patents:


1 2 3 4 5 6 7 8 9


Patent Number Title Of Patent Date Issued
7438824 Fabrication of long range periodic nanostructures in transparent or semitransparent dielectrics October 21, 2008
To make high quality long-range periodic nanostructures in a transparent or semi-transparent substrate, the transparent or semi-transparent substrate is scanned with a linearly polarized laser beam generated by a femtosecond laser and exceeding a predetermined energy/pulse threshold
7436880 Adaptive filtering using fast affine projection adaptation October 14, 2008
A method of adaptive filtering using fast affine projection (FAP) that allows for direct solution of the projected error vector from the autocorrelation matrix using a backward and forward recursion technique or LDL.sup.T factorization of the autocorrelation matrix followed by forwar
7431856 Nano-tip fabrication by spatially controlled etching October 7, 2008
A method of fabricating nano-tips involves placing a precursor nanotip with an apex and shank in a vacuum chamber; optionally applying an electric field to the precursor nanotip to remove oxide and other contaminant species; subsequently admitting an etchant gas to the vacuum chamber
7430897 Method and apparatus for detecting and locating gas leaks October 7, 2008
The invention provides an apparatus and method for detecting the location of a gas leak within a test region. The invention comprises an array of calibrated sensors for measuring a plurality of gas concentrations, a control system coupled to the sensor array for calculating and optionall
7429693 Method for the production of plant seed with modified fiber content and modified seed coat September 30, 2008
The present invention relates to a nucleotide sequences commonly designated CJAS1 comprising a novel gene from plants. The novel gene encodes a protein that is involved in seed formation and is associated with plant defense. The invention further relates to the use of the nucleotide
7428086 Method and apparatus for scanning optical delay line September 23, 2008
A scanning optical delay line includes an optical path element that rotates about its central axis, such that a face is intermittently incident a beam of light to be optically delayed. When the beam is not incident the face, it is reflected onto a reinsertion line which provides a se
7425434 Gene encoding cyclododecanone monooxygenase September 16, 2008
The invention relates to a new strain of Pseudomonas putida (designated as HI-70) and to the isolation, cloning, and sequencing of a cyclododecanone monooxygenase-encoding gene (named cdnB) from said strain. The invention also relates to a new cyclododecanone monooxygenase and to a metho
7414400 Detection of ferromagnetic objects approaching a magnet August 19, 2008
An apparatus for detecting a potentially dangerous ferromagnetic object carried inadvertently by a person approaching the magnet of a magnetic resonance imaging system (14) uses the fringe field (16) of the magnet and provides guide members (11) defining a path along which the person is
7407761 Methods for assaying expression of novel galanin receptors August 5, 2008
The present invention is directed to methods for assaying a test compound's ability to alter the expression of novel receptor for galanin which has been designated as galanin receptor 2. The invention also encompasses both the receptor protein as well as nucleic acids encoding the pr
7393440 Hydrogen generation system July 1, 2008
The present invention provides a system for generating hydrogen gas in an aqueous solution based electrolytic or galvanic cell wherein the cathode is made from aluminum or an aluminum alloy. In a preferred arrangement the cell is a galvanic cell and cathode is made from aluminum or alumi
7381544 Nucleic acid that encodes a fusion protein June 3, 2008
This invention provides fusion polypeptides that include a glycosyltransferase catalytic domain and a catalytic domain from an accessory enzyme that is involved in making a substrate for a glycosyltransferase reaction. Nucleic acids that encode the fusion polypeptides are also provid
7376308 Optical off-chip interconnects in multichannel planar waveguide devices May 20, 2008
The multichannel waveguide device includes an array of waveguides located in a plane. Each waveguide channel has a redirecting element for redirecting a guided wave out of said plane, or vice versa. The redirecting elements are staggered in the direction of the waveguides so as to tr
7374730 Process and apparatus for synthesis of nanotubes May 20, 2008
The invention relates to a process for formation of carbon nanotubes. The process comprises laser ablation of a bulk metal catalyst within a hydrocarbon solution to produce a feedstock containing metal catalyst nanoparticles. The feedstock is atomizing to form a feedstock aerosol. Th
7371838 Nucleic acids encoding .beta. 1,4-N-acetylgalactosaminyltransferases from C. jejuni May 13, 2008
This invention provides prokaryotic .beta.1,4-N-acetylglucosaminyl (GalNAc) traosferases involved in synthesis of lipooligosaccharide (LOS). The .beta.1,4-GalNAc transferases can be obtained from, for example, Campylobacter species, including C. jejuni. In additional embodiments, the
7366310 Microphone array diffracting structure April 29, 2008
The present invention increases the aperture size of a microphone array by introducing a diffracting structure into the interior of a microphone array. The diffracting structure within the array modifies both the amplitude and phase of the acoustic signal reaching the microphones. The
7364739 Haemophilus influenzae lipopolysaccharide inner-core oligosaccharide epitopes as vaccines for th April 29, 2008
The present invention relates to a lipopolysaccharide moiety comprising a conserved triheptosyl inner-core moiety of lipopolysaccharide substantially free of variable outer core oligosaccharide chain extension, and to vaccines obtaines therefrom which are cross-reactive for Haemophil
7358737 Method of effecting nuclear magnetic resonance experiments using Cartesian feedback April 15, 2008
In nuclear magnetic resonance experiments, Cartesian electronic feedback is used to reduce substantially in transmission and/or reception the deleterious effects of sample-mediated and direct interactions between coils in an array of transmitting and/or receiving coils. The feedback is
7355097 Diacylglycerol acyltransferase gene from plants April 8, 2008
The present invention relates to the isolation, purification, characterization and use of the plant diacylglycerol acyltransferase (DGAT) gene and genetic products. The invention includes isolated and purified DGAT DNA and relates to methods of regulating seed oil content, the ratio
7354870 Process for chemical etching of parts fabricated by stereolithography April 8, 2008
A process for chemically etching a stereolithography resin involves chemically etching a shaped object of the resin at a temperature in a range of from about 20.degree. C. to about 30.degree. C. for a time of from about 30 seconds to about 60 seconds with a saturated aqueous solution
7353709 Method and system for determining material properties using ultrasonic attenuation April 8, 2008
A method and system is disclosed for determining a property of an object by measuring ultrasonic attenuation. With the proposed method, a measured ultrasonic interaction signal of the object is compared with a reference signal produced using the same generation and detection setup, but u
7335511 Magnetic resonance spectroscopy to classify tissue February 26, 2008
Robust classification methods analyze magnetic resonance spectroscopy (MRS) data (spectra) of fine needle aspirates taken from breast tumors. The resultant data when compared with the histopathology and clinical criteria provide computerized classification-based diagnosis and prognos
7332441 Passivation of porous semiconductors February 19, 2008
A method is disclosed for stabilizing porous silicon. A porous silicon structure having a surface terminated with hydrogen atoms is subjected to organic thermal processing to substitute the hydrogen atoms with a protective organic layer. The resulting structures are found to have unp
7330812 Method and apparatus for transmitting an audio stream having additional payload in a hidden sub- February 12, 2008
Methods and apparatus are provided for communicating an audio stream. A perceptual mask is estimated for an audio stream, based on the perceptual threshold of the human auditory system. A hidden sub-channel is dynamically allocated substantially below the estimated perceptual mask ba
7328618 Non-destructive testing of pipes February 12, 2008
To perform a non-destructive condition assessment of a pipe carrying a fluid, an actual value representative of the propagation velocity of an acoustic disturbance propagating between two longitudinally separated points on the pipe is determined. A corresponding predicted value for the
7319784 Magnetic resonance spectroscopy using a conformal voxel January 15, 2008
The goal was to automate and optimize the shaping and positioning of a shape-specific/conformal voxel that conforms to any volume of interest, such as a cranial lesion, to allow conformal voxel magnetic resonance spectroscopy (CV-MRS). We achieved this by using a computer program that
7317535 Wavelength dispersive fourier transform spectrometer January 8, 2008
A spectroscopic method and system for the spectral analysis of an optical signal directed to a wavelength dispersive component having two interleaved dispersive devices. For a single wavelength, the optical signal exiting the interleaved dispersive devices includes two wavefronts gen
7302840 Method and apparatus for aerodynamic/hydrodynamic testing of a model December 4, 2007
An aerodynamic or hydrodynamic test apparatus that permits all air to be evacuated from the test enclosure, such that no free liquid surfaces remain. This permits more accurate testing of structures, particularly at low Reynolds numbers. The apparatus includes a seal that allows the
7301071 Method for the production of plant seed with modified fiber content and modified seed coat November 27, 2007
The present invention relates to nucleotide sequences commonly designated CJAS1 comprising a novel gene from plants. The novel gene encodes a protein that is involved in seed formation and is associated with plant defense. The invention further relates to the use of the nucleotide se
7283692 Simultaneous interrogation of multi wavelength-modulated fiber optical sensors by modulating an October 16, 2007
A compact interrogator for the simultaneous interrogation of multi wavelength-modulated fiber optical sensors, includes a planar waveguide based demultiplexer receiving input signals from the sensors. An array of detectors is coupled to output waveguides of the demultiplexer correspo
7280866 Non-invasive screening of skin diseases by visible/near-infrared spectroscopy October 9, 2007
A non-invasive tool for skin disease diagnosis would be a useful clinical adjunct. The purpose of this study was to determine whether visible/near-infrared spectroscopy can be used to non-invasively characterize skin diseases. In-vivo visible- and near-infrared spectra (400-2500 nm)
7270728 Photochemical transformation of metallic and non-metallic ions in an aqueous environment September 18, 2007
The invention comprises a method of photochemical transformation of metallic and non-metallic ions in an aqueous environment. The method comprises exposing the ions to UV irradiation in the presence of an organic acid. The aqueous ions are reduced by the method and may form hydrides,
7267810 Method of synthesizing colloidal nanocrystals September 11, 2007
A method of making nanocrystals involves adding a chalocogen source to a hot solution of a metal-containing non-organometallic compound, such as CdO, in a first ligand solvent, such as TOP, and preferably subsequently cooling the resulting mixture to a lower temperature to grow the n
7259239 Lipopolysaccharide .alpha.-2,3 sialyltransferase of campylobacter jejuni and its uses August 21, 2007
The structure and specificity of a recombinant .alpha.2,3-sialyltransferase from Campylobacter spp., is disclosed. Also provided are methods for using the .alpha.2,3-sialyltransferase in the production of desired carbohydrate structures and nucleic acids that encode the sialyltransfe
7244601 Fusion proteins for use in enzymatic synthesis of oligosaccharides July 17, 2007
This invention provides fusion polypeptides that include a glycosyltransferase catalytic domain and a catalytic domain from an accessory enzyme that is involved in making a substrate for a glycosyltransferase reaction. Nucleic acids that encode the fusion polypeptides are also provid
7238509 .beta. 1,4-N-acetylgalactosaminyl transferases from C. jejuni July 3, 2007
This invention provides prokaryotic glycosyltransferases, including a bifunctional sialyltransferase that has both an .alpha.2,3- and an .alpha.2,8-activity. A .beta.1,4-GalNAc transferase and a .beta.1,3-galactosyltransferase are also provided by the invention, as are other glycosyl
7235118 Process for agglomeration and densification of nanometer sized particles June 26, 2007
A method and product derived therefrom for consolidating nanoparticles to form particles in a micrometric size distribution. The method preserves the nanoparticles with the resultant micrometric particles. The primary processing operation is milling.
7232507 High volumetric efficiency electrochemical cell design for treatment of low concentrations of co June 19, 2007
An electrochemical cell design is disclosed for the particular application of the electrochemical treatment of contaminants in water. The cell is designed to allow the treatment of low concentrations of contaminants in low conductivity water efficiently, and to be simple to fabricate. Th
7232474 Process for producing gold nanoparticles June 19, 2007
Gold nanoparticles having a particle size of 4-15 nM are synthesized by the reduction of hydrogen tetrachloroaurate (III) trihydrate using a suitable reducing agent such as sodium citrate in the presence of unmodified .alpha., .beta. or .gamma.-cyclodextrin. The particle size is depe
7220848 Nucleic acids encoding .beta. 1,3-galactosyltransferases from C. jejuni May 22, 2007
This invention provides prokaryotic glycosyltransferases, including a bifunctional sialyltransferase that has both an .alpha.2,3- and an .alpha.2,8-activity. A .beta.1,4-GalNAc transferase and a .beta.1,3-galactosyltransferase are also provided by the invention, as are other glycosyl
7220484 Polymeric nanocomposites comprising epoxy-functionalized graft polymer May 22, 2007
Disclosed is a nanocomposite comprising a nano-reinforcing material (e.g., layered clay), a polymer matrix (e.g., a polyolefin), and, an epoxy-functionalized graft polymer compatible with the polymer matrix (e.g., epoxy-grafted polyolefin). Such nanocomposites are useful in the fabri
7217693 Human G protein-coupled receptor expressed in the dorsal root ganglia May 15, 2007
The present invention is directed to novel G protein-coupled receptors that are found predominantly in the dorsal root ganglia. The invention encompasses both the receptor proteins as well as nucleic acids encoding the proteins. In addition, the present invention is directed to methods
7217559 Gene encoding cyclododecanone monooxygenase May 15, 2007
The invention relates to a new strain of Pseudomonas putida (designated as HI-70) and to the isolation, cloning, and sequencing of a cyclododecanone monooxygenase-encoding gene (named cdnB) from said strain. The invention also relates to a new cyclododecanone monooxygenase and to a metho
7214859 Brassica pyruvate dehydrogenase kinase gene May 8, 2007
The isolation, purification, characterization and use of a mitochondrial pyruvate dehydrogenase kinase (PDHK) gene from Brassica spp. Methods of regulating fatty acid synthesis, seed oil content, seed size/weight, flowering time, vegetative growth, respiration rate and generation time
7214520 Cloning, sequencing and expression of a comamonas cyclopentanone 1,2-monooxygenase-encoding gene May 8, 2007
Cyclopentanone 1,2-monooxygenase (CPMO) from Comamonas (previously Pseudomonas) sp. strain NCIMB 9872 carries out the second step of a degradation pathway that allows the bacterium to use cyclopentanol as a sole carbon source for growth. In the present invention there is reported the
7211657 Nucleic acids encoding sialyltransferases from C. jejuni May 1, 2007
This invention provides prokaryotic glycosyltransferases, including a bifunctional sialyltransferase that has both an .alpha.2,3- and an .alpha.2,8-activity. A .beta.1,4-GalNAc transferase and a .beta.1,3-galactosyltransferase are also provided by the invention, as are other glycosyl
7208304 .beta.1,3-galactosyltransferases from C. jejuni April 24, 2007
This invention provides prokaryotic glycosyltransferases, including a bifunctional sialyltransferase that has both an .alpha.2,3- and an .alpha.2,8-activity. A .beta.1,4-GalNAc transferase and a .beta.1,3-galactosyltransferase are also provided by the invention, as are other glycosyl
7203340 Second order change detection in video April 10, 2007
Methods and devices for processing captured video frames to detect specific changes observable in video using three consecutive video frames. The images in the first video frame are compared with the second frame and the images of the second frame are compared with the third frame to
7202943 Object identification using quantum dots fluorescence allocated on Fraunhofer solar spectral lin April 10, 2007
An optical based identification system that is easily deployable and can be used in broad daylight. Fluorescent semiconductor nanocrystals (quantum dots) that fluoresce at specific wavelengths are distributed in a suitable polymer. The resulting mixture can then be applied as paint or
7202353 Nucleic acids encoding .beta.1,3-galactosyltransferases from C. jejuni April 10, 2007
This invention provides prokaryotic glycosyltransferases, including a bifunctional sialyltransferase that has both an .alpha.2,3- and an .alpha.2,8-activity. A .beta.1,4-GalNAc transferase and a .beta.1,3-galactosyltransferase are also provided by the invention, as are other glycosyl
7194177 Stress-induced control of polarization dependent properties in photonic devices March 20, 2007
In order to make a photonic device incorporating a waveguide, a waveguide is formed with a predetermined geometry. Birefringence is then controlled by determining the amount of stress induced within the waveguide.
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