Patent application number | Description | Published |
20090220431 | MAGNETIC RESONANCE IMAGING CONTRAST AGENTS CONTAINING WATER-SOLUBLE NANOPARTICLES OF MANGANESE OXIDE OR MANGANESE METAL OXIDE - The present invention relates to a manganese-containing metal oxide nanoparticle-based magnetic resonance imaging (MRI) contrast agent, which is characterized in that: The core of it comprises 1 to 1000 nm-sized manganese-containing metal oxide nanoparticles which include MnO a (0 | 09-03-2009 |
20090324494 | MAGNETIC NANO-COMPOSITE FOR CONTRAST AGENT, INTELLIGENT CONTRAST AGENT, DRUG DELIVERY AGENT FOR SIMULTANEOUS DIAGNOSIS AND TREATMENT, AND SEPARATION AGENT FOR TARGET SUBSTANCE - The present invention relates to water soluble magnetic nanocomposite using an amphiphilic compound. Specifically, the present invention relates to water soluble magnetic nanocomposite which may be not only used as a contrast agent for magnetic resonance imaging (MRI), an intelligent contrast agent for diagnosing cancer characterized by binding a tissue-specific binder ingredient, a drug delivery system for simultaneous diagnosis and treatment by polymerizing or enveloping drugs and binding a tissue-specific binder ingredient, but also used for separating a target substance using magnetism, and a process for preparing the same. | 12-31-2009 |
20110151429 | Bioprobe, Method of Preparing the Bioprobe, and Analysis Apparatus and Method Using the Bioprobe - The present invention relates to a bioprobe including a substrate and inorganic nanoparticles attached to the surface of the substrate, a method of preparing the bioprobe, and an analysis apparatus and method using the bioprobe. In the bioprobe according to the present invention, inorganic nanoparticles introduced to the substrate serve as a linker to which a target-specific substance such as an antibody can be bound, and they also increase the surface area of the substrate, thus increasing a surface area where a target substance to be detected can contact the substrate. In this regard, the bioprobe can be effectively used for detection, dosing, or analysis of various biomolecules or other chemical substances. | 06-23-2011 |
20130045160 | Magnetic Nano-Composite for Contrast Agent, Intelligent Contrast Agent, Drug Delivery Agent for Simultaneous Diagnosis and Treatment, and Separation Agent for Target Substance - The present invention relates to water soluble magnetic nanocomposite using an amphiphilic compound. Specifically, the present invention relates to water soluble magnetic nanocomposite which may be not only used as a contrast agent for magnetic resonance imaging (MRI), an intelligent contrast agent for diagnosing cancer characterized by binding a tissue-specific binder ingredient, a drug delivery system for simultaneous diagnosis and treatment by polymerizing or enveloping drugs and binding a tissue-specific binder ingredient, but also used for separating a target substance using magnetism, and a process for preparing the same. | 02-21-2013 |
20130137114 | Bioprobe, Method of Preparing the Bioprobe, and Analysis Apparatus and Method Using the Bioprobe - The present invention relates to a bioprobe including a substrate and inorganic nanoparticles attached to the surface of the substrate, a method of preparing the bioprobe, and an analysis apparatus and method using the bioprobe. In the bioprobe according to the present invention, inorganic nanoparticles introduced to the substrate serve as a linker to which a target-specific substance such as an antibody can be bound, and they also increase the surface area of the substrate, thus increasing a surface area where a target substance to be detected can contact the substrate. In this regard, the bioprobe can be effectively used for detection, dosing, or analysis of various biomolecules or other chemical substances. | 05-30-2013 |
20130183249 | Stimulus Sensitive Magnetic Nanocomposite Using Pyrene Polymer, and Contrast Medium Composition Containing the Nanocomposite - Provided are a stimuli-sensitive magnetic nanocomposite using a pyrene-conjugated polymer and a method of preparing the same. Particularly, the stimuli-sensitive magnetic nanocomposite includes magnetic nanoparticles, an amphiphilic compound including at least one hydrophobic domain having a material having a pyrene structure and at least one hydrophilic domain and a pharmaceutically active ingredient. Here, the amphiphilic compound surrounds the pharmaceutically active ingredient, and the pharmaceutically active ingredient surrounds the magnetic nanoparticle and is chemically bound to a hydrophobic domain. Accordingly, the magnetic nanoparticles and the pharmaceutically active ingredient are stable in an aqueous solution, have excellent magnetic properties and a rapid drug release behavior due to a specific stimulus, and exhibit targeting according to a tissue-specific binding component. Thus, the stimuli-sensitive magnetic nanocomposite has target specificity and serves as a contrast composition or pharmaceutical composition. | 07-18-2013 |
20140249426 | Probe for Diagnosing Otitis Media Using Terahertz Waves and Otitis Media Diagnosis System and Method - The present invention relates to a otitis media diagnosis system using terahertz electromagnetic waves, which can diagnose otitis media using terahertz electromagnetic waves in a non-invasive manner, and which can accurately diagnose otitis media by acquiring images on the tympanic cavity using terahertz electromagnetic waves with excellent transmittance, and which can quickly and accurately divide exudative otitis media and suppurative otitis media using terahertz electromagnetic waves that are sensitive to moisture, and which is safe to a body using terahertz electromagnetic waves. The otitis media diagnosis system includes a terahertz probe including a generating unit for radiating terahertz electromagnetic waves from the outside of an ear toward a tympanic cavity and a detection unit for detecting the reflected terahertz electromagnetic waves reflected from the tympanic cavity. | 09-04-2014 |
20150265726 | ORGANIC NANOQUENCHER BASED ON CONJUGATED POLYMER AND PREPARATION METHOD THEREOF - A pH responsive quencher based on a conjugated polymer and responding to an in vivo redox reaction and a preparation method thereof are provided. The pH responsive quencher can evaluate a metabolism environment according to a pH value in vivo with a characteristic that an absorption wavelength band sensitively changes depending on a pH condition. | 09-24-2015 |