7530 results about "Biological body" patented technology

A method for altering the lifespan of a eukaryotic organism. The method comprises the steps of providing a lifespan altering compound, and administering an effective amount of the compound to a eukaryotic organism, such that the lifespan of the organism is altered. In one embodiment, the compound is identified using the DeaD assay.

Medical devices, and in particular implantable medical devices, may be coated to minimize or substantially eliminate a biological organism's reaction to the introduction of the medical device to the organism. The medical devices may be coated with any number of biocompatible materials. Therapeutic drugs, agents or compounds may be mixed with the biocompatible materials and affixed to at least a portion of the medical device. These therapeutic drugs, agents or compounds may also further reduce a biological organism's reaction to the introduction of the medical device to the organism. Various materials and coating methodologies may be utilized to maintain the drugs, agents or compounds on the medical device until delivered and positioned.

Medical devices, and in particular implantable medical devices, may be coated to minimize or substantially eliminate a biological organism's reaction to the introduction of the medical device to the organism. The medical devices may be coated with any number of biocompatible materials. Therapeutic drugs, agents or compounds may be mixed with the biocompatible materials and affixed to at least a portion of the medical device. These therapeutic drugs, agents or compounds may also further reduce a biological organism's reaction to the introduction of the medical device to the organism. In addition, these therapeutic drugs, agents and / or compounds may be utilized to promote healing, including the formation of blood clots. Various materials and coating methodologies may be utilized to maintain the drugs, agents or compounds on the medical device until delivered and positioned.

Medical devices, and in particular implantable medical devices, including self-expanding stents, may be coated to minimize or substantially eliminate a biological organism's reaction to the introduction of the medical device to the organism. The devices utilized to deliver the implantable medical devices may be modified to reduce the potential for damaging the implantable medical device during deployment.

A physiological assessment system comprises a sensor and first and second processors. The sensor is adapted to generate a signal responsive to a living organism. The first processor is configured to derive a measured parameter from the sensor signal. The second processor is configured to analyze nonlinear dynamics of the measured parameter so as to provide a physiological assessment of the living organism.

A method and apparatus for authenticating an individual living organism by recognizing a unique internal electric and / or magnetic and / or acoustic characteristic, which comprises a biometric signature, involve presenting a body part to a sensing device that senses the signature. The sensed presented biometric signature is compared to a known biometric signature to authenticate the individual. This authentication can then be used to authorize any of a wide variety of actions by the individual, such as accessing equipment or an area, or to perform actions, such as conducting financial transactions. A card having sensors is used to sense the biometric signature which is read by a card reader and sent to a local or remote reader for biometric signature comparison.

A method and device for treating a mammalian organism to obtain a desired local or systemic physiological or pharmacological effect is provided. The method includes administering a sustained release drug delivery system to a mammalian organism in need of such treatment at an area wherein release of an effective agent is desired and allowing the effective agent to pass through the device in a controlled manner. The device includes an inner core or reservoir including the effective agent, an impermeable tube which encloses portions of the reservoir, and a permeable member at an end of the tube.

A catheter is used for medical treatments within an organism. The catheter comprises at least one lumen. Within the at least one lumen are at least two microcatheters, with at least one of the at least two microcatheters being connected to a source of liquid material to be delivered to the organism and another of the at least two microcatheters being connected to a system capable of effecting a medical treatment other than delivery of the liquid.

Apparatus and methods are provided for monitoring cardiac output using bioelectrical impedance techniques in which first and second electrodes are placed in the trachea and / or bronchus in the vicinity of the ascending aorta, while an excitation current is injected into the thorax via first and second current electrodes, so that bioelectrical impedance measurements based on the voltage drop sensed by the first and second electrodes reflect voltage changes induced primarily by blood flow dynamics, rather than respiratory or non-cardiac related physiological effects. Additional sense electrodes may be provided, either internally, or externally, for which bioelectrical impedance values may be obtained. Methods are provided for computing cardiac output from bioelectrical impedance values. Apparatus and methods are also provided so that the measured cardiac output may be used to control administration of intravenous fluids to an organism or to optimize a heart rate controlled by a pacemaker.

The present invention provides an implant capable of being cellularized in treatment of an injured organ or tissue in organisms. The present inventors found that a biocompatible implant comprising a biological molecule and a support is capable of being cellularized. The implant can be used instead of conventional implants which essentially comprise cells. The present invention provides a biocompatible implant comprising A) a biological molecule and B) a support. The present invention also provides A) a first layer having a rough surface, B) a rough surface; B) a second layer having a strength which allows the support to resist in vivo shock. The first layer is attached to the second layer via at least one point.

The present invention concerns methods and reagents useful in modulating gene expression in a variety of applications, including use in therapeutic, diagnostic, target validation, and genomic discovery applications. Specifically, the invention relates to synthetic chemically modified small nucleic acid molecules, such as short interfering nucleic acid (siNA), short interfering RNA (siRNA), double-stranded RNA (dsRNA), micro-RNA (miRNA), and short hairpin RNA (shRNA) molecules capable of mediating RNA interference (RNAi) against target nucleic acid sequences. The small nucleic acid molecules are useful in the treatment of any disease or condition that responds to modulation of gene expression or activity in a cell, tissue, or organism.

The present invention concerns methods and reagents useful in modulating gene expression in a variety of applications, including use in therapeutic, diagnostic, target validation, and genomic discovery applications. Specifically, the invention relates to synthetic chemically modified small nucleic acid molecules, such as short interfering nucleic acid (siNA), short interfering RNA (siRNA), double-stranded RNA (dsRNA), micro-RNA (miRNA), and short hairpin RNA (shRNA) molecules capable of mediating RNA interference (RNAi) against target nucleic acid sequences. The small nucleic acid molecules are useful in the treatment of any disease or condition that responds to modulation of gene expression or activity in a cell, tissue, or organism.

The purpose is to fix a portion of a living body, which is an object of measurement, stably without strain and to acquire accurate inspection results with good reproducibility. An apparatus for capturing an image of a living body includes: a base for mounting a portion of a living body to be inspected; two sidewall members capable of holding the mounted portion of the living body therebetween from both sides; a light source section for supplying a light to the portion of the living body held on the base and between the sidewall members; and a light receiving section for detecting optical information from the portion of the living body supplied with the light, and a non-invasive apparatus for living body inspection including the above apparatus for capturing an image of a living body in which the light receiving section includes an image capturing element, and an analyzing section for calculating information on blood flowing through a blood vessel by analyzing an image of a tissue including the blood vessel obtained by the image capturing element.

Macromolecules are provided that have increased nuclease resistance, increasing binding affinity to a complementary strand, and that activate RNase H enzyme. The macromolecules have the structure PNA-DNA-PNA where the DNA portion is composed of subunits of 2'-deoxy-erythro-pento-furanosyl nucleotides and the PNA portions are composed of subunits of peptide nucleic acids. Such macromolecules are useful for diagnostics and other research purposes, for modulating protein in organisms, and for the diagnosis, detection and treatment of other conditions susceptible to therapeutics.

Compositions and methods for conferring herbicide resistance or tolerance to bacteria, plants, plant cells, tissues and seeds are provided. Compositions include polynucleotides encoding herbicide resistance or tolerance polypeptides, vectors comprising those polynucleotides, and host cells comprising the vectors. The nucleotide sequences of the invention can be used in DNA constructs or expression cassettes for transformation and expression in organisms, including microorganisms and plants. Compositions also include transformed bacteria, plants, plant cells, tissues, and seeds. In particular, isolated polynucleotides encoding glyphosate resistance or tolerance polypeptides are provided, particularly polypeptide variants of SEQ ID NO:2 and 4. Additionally, amino acid sequences corresponding to the polynucleotides are encompassed. In particular, the present invention provides for isolated polynucleotides containing nucleotide sequences encoding the amino acid sequence shown in SEQ ID NO:7-28, or the nucleotide sequence set forth in SEQ ID NO:29 or 30.

An integrated device for poration of biological tissue, harvesting a biological fluid from the tissue, and analysis of the biological fluid. The device comprises a tissue-contacting layer having an electrically or optically heated probe to heat and conduct heat to the tissue to form at least one opening, such as a micropore to collect biological fluid from the opening, and a detecting layer responsive to the biological fluid to provide an indication of a characteristic of the biological fluid, such as the concentration of an analyte in interstitial fluid. In the embodiment in which, the probe comprises a photosensitizing assembly designed for the uniform application of a photosensitizing material, such as, for example, a dye or a pigment, to a tissue, e.g., the stratum comeum. In one embodiment, the photosensitizing assembly comprises photosensitizing material combined with a carrier, such as, for example, an adhesive or an ink, and the resulting combination is applied to a substrate, such as, for example, an inert polymeric substrate to form a photosensitizing assembly. In another embodiment, the photosensitizing assembly comprises photosensitizing material incorporated into a film-forming polymeric material.

An electrical current is created across an electrically conductive medium comprising a cell which may be part of a tissue of a living organism. A first electrical parameter which may be current, voltage, or electrical impedance is measured. A second electrical parameter which may be current, voltage or a combination of both is then adjusted and / or analyzed. Adjustments are carried out to facilitate analysis and / or obtain a desired degree of electroporation. Analysis is carried out to determine characteristics of the cell membrane and / or tissue.

A method and apparatus for generating a controlled torque of a desired direction and magnitude in an object within a body, particularly in order to steer the object through the body, such as a catheter through a blood vessel in a living body, by producing an external magnetic field of known magnitude and direction within the body, applying to the object a coil assembly including preferably three coils of known orientation with respect to each other, preferably orthogonal to each other, and controlling the electrical current through the coils to cause the coil assembly to generate a resultant magnetic dipole interacting with the external magnetic field to produce a torque of the desired direction and magnitude.

The present invention relates to methods, systems and apparatus for capturing, integrating, organizing, navigating and querying large-scale data from high-throughput biological and chemical assay platforms. It provides a highly efficient meta-analysis infrastructure for performing research queries across a large number of studies and experiments from different biological and chemical assays, data types and organisms, as well as systems to build and add to such an infrastructure. According to various embodiments, methods, systems and interfaces for associating experimental data, features and groups of data related by structure and / or function with chemical, medical and / or biological terms in an ontology or taxonomy are provided. According to various embodiments, methods, systems and interfaces for filtering data by data source information are provided, allowing dynamic navigation through large amounts of data to find the most relevant results for a particular query.

A method of enhancing the permeability of a biological membrane, including the skin or mucosa of an animal or the outer layer of a plant to a permeant is described utilizing microporation of selected depth and optionally one or more of sonic, electromagnetic, mechanical and thermal energy and a chemical enhancer. Microporation is accomplished to form a micropore of selected depth in the biological membrane and the porated site is contacted with the permeant. Additional permeation enhancement measures may be applied to the site to enhance both the flux rate of the permeant into the organism through the micropores as well as into targeted tissues within the organism.

Compositions and methods for conferring herbicide resistance or tolerance to bacteria, plants, plant cells, tissues and seeds are provided. Compositions include polynucleotides encoding herbicide resistance or tolerance polypeptides, vectors comprising those polynucleotides, and host cells comprising the vectors. The nucleotide sequences of the invention can be used in DNA constructs or expression cassettes for transformation and expression in organisms, including microorganisms and plants. Compositions also comprise transformed bacteria, plants, plant cells, tissues, and seeds. In particular, isolated polynucleotides encoding glyphosate resistance or tolerance polypeptides are provided. Additionally, amino acid sequences corresponding to the polynucleotides are encompassed. In particular, the present invention provides for isolated polynucleotides comprising nucleotide sequences encoding the amino acid sequence shown in SEQ ID NO:2, 4, or 6, or the nucleotide sequence set forth in SEQ ID NO:1, 3, or 5. The present invention additionally provides a method to measure enzyme kinetic activity using fluorogenic substrates.

The invention relates to a storage container to receive and store a biopsy sample of an organism, held by a biopsy sample collector. The storage container comprises a container body defining a containment region with an open or openable end. The storage container further comprises a container cap located at the open end. The container cap is able to be removed from the container body by displacement in a direction (herein after “removal direction”) away from said containment region. The cap includes a passage leading to the containment region the passage able to receive a sample retaining sample collector. The storage container additionally comprises a tamper evident sleeve about at least part of the cap and the container body. The sleeve comprises of two parts that are frangibly connected. The frangible connection is in a manner such that upon displacement of the cap in the removal direction, a first part of the sleeve travels with said cap and a second part of the sleeve is prevented from movement with the first part by said container body to thereby separate the first and second parts. The first and second parts may each include information matched to each other.

The present invention relates to novel cationic lipids, transfection agents, microparticles, nanoparticles, and short interfering nucleic acid (siNA) molecules. The invention also features compositions, and methods of use for the study, diagnosis, and treatment of traits, diseases and conditions that respond to the modulation of gene expression and / or activity in a subject or organism. Specifically, the invention relates to novel cationic lipids, microparticles, nanoparticles and transfection agents that effectively transfect or deliver biologically active molecules, such as antibodies (e.g., monoclonal, chimeric, humanized etc.), cholesterol, hormones, antivirals, peptides, proteins, chemotherapeutics, small molecules, vitamins, co-factors, nucleosides, nucleotides, oligonucleotides, enzymatic nucleic acids, antisense nucleic acids, triplex forming oligonucleotides, 2,5-A chimeras, dsRNA, allozymes, aptamers, decoys and analogs thereof, and small nucleic acid molecules, such as short interfering nucleic acid (siNA), short interfering RNA (siRNA), double-stranded RNA (dsRNA), micro-RNA (miRNA), short hairpin RNA (shRNA), and RNAi inhibitor molecules, to relevant cells and / or tissues, such as in a subject or organism. Such novel cationic lipids, microparticles, nanoparticles and transfection agents are useful, for example, in providing compositions to prevent, inhibit, or treat diseases, conditions, or traits in a cell, subject or organism. The compositions described herein are generally referred to as formulated molecular compositions (FMC) or lipid nanoparticles (LNP).