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Biomedical Engineering and Bioengineering Commons™

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Michigan Technological University

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Articles 151 - 164 of 164

Full-Text Articles in Biomedical Engineering and Bioengineering

Method And Apparatus For Blood Flow Measurement Using Millimeter Wave Band, David Nelson Sep 2007

Method And Apparatus For Blood Flow Measurement Using Millimeter Wave Band, David Nelson

Michigan Tech Patents

A system and method that determines a blood flow rate in an area of a subject. The system includes a transmitter operable to transmit an electrical signal in the range of about 20 GHz to about 300 GHz to the area, a temperature sensor positioned adjacent the area, and a processor operable to determine the blood flow rate in the area based on the rate of change of temperature in the area as a result of the application of the electrical signal on the area and a power density value.

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A Wireless, Passive Sensor For Quantifying Packaged Food Quality, Ee Lim Tan, Wen Ni Ng, Ranyuan Shao, Brandon D. Pereles, Keat Ghee Ong Sep 2007

A Wireless, Passive Sensor For Quantifying Packaged Food Quality, Ee Lim Tan, Wen Ni Ng, Ranyuan Shao, Brandon D. Pereles, Keat Ghee Ong

Michigan Tech Publications

This paper describes the fabrication of a wireless, passive sensor based on aninductive-capacitive resonant circuit, and its application for in situ monitoring of thequality of dry, packaged food such as cereals, and fried and baked snacks. The sensor ismade of a planar inductor and capacitor printed on a paper substrate. To monitor foodquality, the sensor is embedded inside the food package by adhering it to the package’sinner wall; its response is remotely detected through a coil connected to a sensor reader. Asfood quality degrades due to increasing humidity inside the package, the paper substrateabsorbs water vapor, changing the capacitor’s capacitance …

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Application Of Aspen Mads-Box Genes To Alter Reproduction And Development In Trees, Gopi Krishna Podila, Leland James Cseke, Banalata Sen, David F. Karnosky Jun 2006

Application Of Aspen Mads-Box Genes To Alter Reproduction And Development In Trees, Gopi Krishna Podila, Leland James Cseke, Banalata Sen, David F. Karnosky

Michigan Tech Patents

The present invention provides compositions and methods for producing a transgenic plant that exhibits altered characteristics resulting from over expression or under expression of a novel polypeptide PtM3 or its homolog PtM4. The altered characteristics resulting from over-expression include at least one of the ability to convert axillary mer- istem to floral meristem; to accelerate flowering i.e., early flowering; to increase fruit production; to increase nut production; to increase seed output; to increase branching; to increase flower production; to increase fruit yield; to increase flower yield and a combination thereof. The altered characteristics resulting from suppressed expression include at least …

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Genetic Engineering Of Plants Through Manipulation Of Lignin Biosynthesis, Vincent Lee C. Chiang, Chung-Jui Tsai, Wen-Jing Hu Nov 2005

Genetic Engineering Of Plants Through Manipulation Of Lignin Biosynthesis, Vincent Lee C. Chiang, Chung-Jui Tsai, Wen-Jing Hu

Michigan Tech Patents

The invention pertains to the genetically down regulating a lignin pathway p-coumarate Co-enzyme A ligase (CCL) in trees.

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Plants Having Modified Reproductive Capacity, Gopi Krishna Podila, Jun-Jun Liu, David F. Karnosky Feb 2005

Plants Having Modified Reproductive Capacity, Gopi Krishna Podila, Jun-Jun Liu, David F. Karnosky

Michigan Tech Patents

This invention relates to plants having modified reproductive capacity. In particular, it relates to a plant reproductive tissue specific promoter, the PrAGl promoter isolated from Pinus radiata, and its use in promoting transcription/ expression of associated sequences in plant reproductive tissue, including for the purpose of producing plants which have diminished reproductive capacity or which are sterile.

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Methods For Simultaneous Control Of Lignin Content And Composition, And Cellulose Content In Plants, Vincent Lee C. Chiang, Laigeng Li Feb 2005

Methods For Simultaneous Control Of Lignin Content And Composition, And Cellulose Content In Plants, Vincent Lee C. Chiang, Laigeng Li

Michigan Tech Patents

The present invention relates to a method of concurrently introducing multiple genes into plants and trees is provided. The method includes simultaneous transformation of plants with multiple genes from the phenylpropanoid pathways including 4CL, CAld5H, AldOMT, SAD and CAD genes and combinations thereof to produce various lines of transgenic plants displaying altered agronomic traits. The agronomic traits of the plants are regulated by the orientation of the specific genes and the selected gene combinations, which are incorporated into the plant genome.

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Genetic Engineering Of Syringyl-Enriched Lignin In Plants, Vincent Lee C. Chiang, Laigeng Li Nov 2004

Genetic Engineering Of Syringyl-Enriched Lignin In Plants, Vincent Lee C. Chiang, Laigeng Li

Michigan Tech Patents

The present invention relates to a novel DNA sequence, which encodes a previously unidentified lignin biosynthetic pathway enzyme, sinapyl alcohol dehydrogenase (SAD) that regulates the biosynthesis of syringyl lignin in plants. Also provided are methods for incorporating this novel SAD gene sequence or substantially similar sequences into a plant genome for genetic engineering of syringyl-enriched lignin in plants.

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Methods Of Modifying Lignin In Plants By Transformation With A 4-Coumarate Coenzyme A Ligase Nucleic Acid, Vincent Lee C. Chiang, Chung-Jui Tsai, Wen-Jing Hu Sep 2002

Methods Of Modifying Lignin In Plants By Transformation With A 4-Coumarate Coenzyme A Ligase Nucleic Acid, Vincent Lee C. Chiang, Chung-Jui Tsai, Wen-Jing Hu

Michigan Tech Patents

The invention pertains to methods of altering growth, lignin content, coniferyl and sinapyl alcohol units in the lignin structure, disease resistance and cellulose content in plants by transformation with a lignin pathway p-coumarate Co-enzyme A ligase (4CL) nucleic acid.

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Spinal Fixation System, Matthew N. Songer, Jeffrey D. Vlahos, Thomas S. Kilpela, Gopal Jayaraman May 2002

Spinal Fixation System, Matthew N. Songer, Jeffrey D. Vlahos, Thomas S. Kilpela, Gopal Jayaraman

Michigan Tech Patents

An implantable, spinal, vertebral replacement device comprises a tubular cage for fitting into a space left by a missing vertebral body and for optionally retaining bone graft material. First and second transverse plates are respectively positioned at opposed ends of the tubular cage for supporting the respective cage ends and for pressing a plate face against an adjacent vertebral body in spinal columnsupporting relation. The transverse plates are each joined in transverse relation to at least one vertebral attachment plate which, in use, extends generally parallel to the spine. The vertebral attachment plate defines screw holes for screw securance to …

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Genetic Transformation And Regeneration Of Plants, Vincent Lee C. Chiang, Chung-Jui Tsai, Gopi K. Podila Jul 1999

Genetic Transformation And Regeneration Of Plants, Vincent Lee C. Chiang, Chung-Jui Tsai, Gopi K. Podila

Michigan Tech Patents

An Agrobacterium-mediated transformation and regeneration method for plants including a transformation method to produce transgenic plants with an altered lignin composition.

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Genetic Engineering Of Wood Color In Plants, Vincent Lee C. Chiang, Chung-Jui Tsai, Gopi K. Podila Mar 1999

Genetic Engineering Of Wood Color In Plants, Vincent Lee C. Chiang, Chung-Jui Tsai, Gopi K. Podila

Michigan Tech Patents

The invention relates to genetically engineering the wood color of woody plants by incorporation of the lignin pathway gene O-methyltransferase into the genome of the plants.

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Biocidal Treatment Of Materials With Catechins, Peter E. Laks Mar 1990

Biocidal Treatment Of Materials With Catechins, Peter E. Laks

Michigan Tech Patents

Sulfide derivatives of catechins derived from condensed tannins have broad spectrum biocidal characteristics. Epicatechin-4-alkylsulfides and cupric complexes thereof containing up to 20, preferably 5 to 15, carbon atoms are particularly effective biocides against wood rotting fungi and gram-positive bacteria. Such sulfides are prepared by reacting condensed tannin, either in the form of a purified tannin extract or comminuted plant tissue, with an appropriate thiol under mild acidic conditions.

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Biocidal Derivatives Of Catechins, Peter E. Laks Jul 1988

Biocidal Derivatives Of Catechins, Peter E. Laks

Michigan Tech Patents

Sulfide derivatives of catechins derived from condensed tannins have broad spectrum biocidal characteristics. Epicatechin-4-alkylsulfides and cupric complexes thereof containing up to 20, preferably 5 to 15, carbon atoms are particularly effective biocides against wood rotting fungi and gram-positive bacteria. Such sulfides are prepared by reacting condensed tannin, either in the form of a purified tannin extract or comminuted plant tissue, with an appropriate thiol under mild acidic conditions.

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Carminomycin Analogue, Hassan S. El Khadem, David L. Swartz Nov 1981

Carminomycin Analogue, Hassan S. El Khadem, David L. Swartz

Michigan Tech Patents

A novel anthracycline glycoside 2-deoxy-L-fucopyranosyl carminomycinone which is effective for inhibiting the growth of tumors such as leukemia L1210.

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