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| 20080268431 | Information Code System Using Dna Sequences - The present invention provides a molecular level of DNA information code which uses a base pair sequence as an information code unit. Also, the present invention provides a molecular code system which includes designing and coding DNA which is an information code unit; stabilizing the DNA information code by encapsulating it with an inorganic capsule and coating the DNA-inorganic capsule to a medium; taking and extracting the coated DNA information code which is present in a trace amount, collecting the DNA information code using a polypyrrole-maghemite nanohybrid; and amplifying the collected DNA information code using a polymerase chain reaction and reading the amplified DNA information code. According to the present invention, the DNA information code having high security is prepared by assigning a security unit to a DNA which has an excellent accumulating capacity, and then the DNA information code is stabilized so as to be coated to a medium. Only the DNA information code may be extracted, collected, and read, if necessary. Thus, a unified molecular code system can be established. | 10-30-2008 |
| 20090004228 | BORON COMPOUND-LAYERED DOUBLE HYDROXIDE NANOHYBRID, METHOD OF PREPARING THE BORON COMPOUND-LDH NANOHYBRID, AND PHARMACEUTICAL COMPOSITION COMPRISING THE BORON COMPOUND-LDH NANOHYBRID - Provided are a boron compound-layered double hydroxide (LDH) nanohybrid in which a boron compound for boron neutron capture therapy is intercalated in between layers of LDH, a method of preparing the boron compound-LDH nanohybrid, and a pharmaceutical composition including the boron compound-LDH nanohybrid, which can be used in boron neutron capture therapy. | 01-01-2009 |
| 20090017303 | ZINC OXIDE HAVING ENHANCED PHOTOCATALYTIC ACTIVITY - The present invention relates to a method for increasing a photocatalytic activity of zinc oxide, which comprises preparing zinc oxide nanoplate crystals having a planar morphology on their (0001) crystal faces. In addition, the present invention relates to a process for synthesizing zinc oxide nanoplate crystals, a tooth whitening composition and a composition for degrading organic pollutants. | 01-15-2009 |
| 20100047307 | INJECTABLE DRUG CARRIER COMPRISING LAYERED DOUBLE HYDROXIDE - Provided is an injectable drug carrier including a non-toxic Layered Double Hydroxide (LDH) and pharmaceutically acceptable excipients. Provided is also a method of preparing the injectable drug carrier, the method including: synthesizing LDH with various compositions and controlling the size and shape of the LDH at a level that the LDH has no adverse effect in vivo. A solution obtained by dispersing the LDH in a solvent is injected in vivo. According to the method, nano-size LDH that does not affect a blood vessel in vivo can be synthesized. The LDH thus synthesized has no adverse effect in vivo even at a concentration of 400 mg/kg, and thus can contribute to establishment of a drug delivery system capable of improving the delivery efficiency of a specific drug. | 02-25-2010 |
| 20110052842 | RECEIVING SHEET FOR DYE-SUBLIMATION HEAT TRANSFER RECORDING AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a receiving sheet for dye-sublimation thermal transfer recording and a method for manufacturing the same, and more particularly to a receiving sheet for dye-sublimation thermal transfer recording, which includes a base layer, a back coating layer formed on one surface of the base layer, and an ink-receiving layer formed on the surface opposite the surface of the base layer on which the back coating layer is formed, the ink-receiving layer containing porous metal oxide nanoparticles, and a method for manufacturing the same. The inventive receiving sheet for dye-sublimation thermal transfer recording includes the ink-receiving layer containing porous metal oxide nanoparticles. Thus, the resolution of images on the receiving sheet can be maintained, while the resistance to thermal deformation and durability of the receiving sheet can be greatly improved, thus offering many advantages in terms of image quality or cost. | 03-03-2011 |
| 20110262666 | THERMAL TRANSFER RIBBON CONTAINING EXFOLIATED LAYERED INORGANIC NANOPARTICLES OR EXFOLIATED LAYERED DOUBLE HYDROXIDE NANOPARTICLES AND MANUFACTURING METHOD THEREOF - The present invention relates to a thermal transfer ribbon containing exfoliated layered inorganic nanoparticles or exfoliated layered double hydroxides and a manufacturing method thereof, and more particularly to a sublimation thermal transfer ribbon wherein a second adhesive layer, a transfer ink layer and a transfer protective layer are formed on one surface of a base film having a lubricating heat-resistant layer and a first adhesive layer formed on the other surface thereof, in which the lubricating heat-resistant layer, the transfer ink layer and the transfer protective layer contain exfoliated layered inorganic nanoparticles or exfoliated layered double hydroxide nanoparticles to improve the heat resistance, image uniformity and abrasion resistance of the thermal transfer ribbon. | 10-27-2011 |
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| 20090289219 | ANODE ACTIVE MATERIAL WITH IMPROVED ELECTROCHEMICAL PROPERTIES AND ELECTROCHEMICAL DEVICE COMPRISING THE SAME - Disclosed is an anode active material, comprising: (a) a carbonaceous material; and (b) a carbide coating layer partially or totally formed on a surface of the carbonaceous material, the carbide coating layer comprising at least one element selected from the group consisting of metals and metalloids. An anode obtained by using the anode active material and an electrochemical device comprising the anode are also disclosed. The carbonaceous material comprises a coating layer of metal-/metalloid-carbide obtained by treating it at high temperature under inert atmosphere, wherein the coating layer has increased interfacial boding force to the carbonaceous material and thus shows minimized reactivity to lithium. The carbonaceous material as anode active material can minimize the irreversible anode capacity needed for the formation of an SEI film during the first charge/discharge cycle, thereby providing high capacity, high efficiency and significantly improved anode qualities. | 11-26-2009 |
| 20100227221 | Preparation Method of Lithium-Metal Composite Oxides - Disclosed is a method for preparing a lithium-metal composite oxide, the method comprising the steps of: (a) mixing an aqueous solution of one or more transition metal-containing precursor compounds with an alkalifying agent and a lithium precursor compound to precipitate hydroxides of the transition metals; (b) mixing the mixture of step (a) with water under supercritical or subcritical conditions to synthesize a lithium-metal composite oxide, and drying the lithium-metal composite oxide; and (c) subjecting the dried lithium-metal composite oxide either to calcination or to granulation and then calcination. Also disclosed are an electrode comprising the lithium-metal composite oxide, and an electrochemical device comprising the electrode. In the disclosed invention, a lithium-metal composite oxide synthesized based on the prior supercritical hydrothermal synthesis method is subjected either to calcination or to granulation and then calcination. Thus, unlike the prior dry calcination method or wet precipitation method, a uniform solid solution can be formed and the ordering of metals in the composite oxide can be improved. Accordingly, the lithium-metal composite oxide can show crystal stability and excellent electrochemical properties. | 09-09-2010 |
| 20100227222 | Lithium-Metal Composite Oxides and Electrochemical Device Using the Same - Disclosed is a lithium-containing metal composite oxide comprising paramagnetic and diamagnetic metals, which satisfies any one of the following conditions: (a) the ratio of intensity between a main peak of 0±10 ppm (Io PPm) and a main peak of 240±140 ppm (I240 pPm), Uoppm/124o PPm), is less than 0.117·Z wherein Z is the ratio of moles of the diamagnetic metal to moles of lithium; (b) the ratio of line width between the main peak of 0±10 ppm (Io PPm) and the main peak of 240+140 ppm (I24o PPm), (W24o PPm/WO ppm), is less than 21.45; and (c) both the conditions (a) and (b), the peaks being obtained according to the 7Li—NMR measurement conditions and means disclosed herein. Also, an electrode comprising the lithium-containing metal composite oxide, and an electrochemical device comprising the electrode are disclosed. The lithium-containing multicomponent metal composite oxide shows crystal stability and excellent physical properties as a result of an improved ordering structure of metals, in which the components of the composite oxide are uniformly distributed. Thus, it can provide a battery having high capacity characteristics, long cycle life characteristics and improved rate characteristics. | 09-09-2010 |
