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DIGITAL GENOMICS INC.

DIGITAL GENOMICS INC. Patent applications
Patent application numberTitlePublished
20110024309METHOD FOR DETECTING BIOMOLECULES ELECTRICALLY AND BIOCHIP THEREFOR - The present invention relates to a method for detecting the presence and/or the reaction of a biomolecule by monitoring changes of electrical property accurately according to the biological, biochemical or chemical reaction of the biomolecule, and a biochip provided for this purpose. The present invention provides a method for detecting the presence and/or the reaction of a biomolecule in a target sample, wherein the reaction of the target sample is performed under known reaction solution, in which a reference fluid having a high dielectric constant such as water is filled into a reaction chamber before the reaction to measure an impedance value or a capacitance value, after completing the reaction, the reaction solution is removed and said reference fluid having a high dielectric constant is refilled to measure an impedance value or a capacitance value, and then the impedance value or the capacitance value measured before and after the reaction is compared with each other.02-03-2011
20110017593HIGHLY SENSITIVE BIOSENSOR, BIOCHIP COMPRISING THE SAME AND METHOD FOR MANUFACTURING THE SAME - The present invention has a feature to form a biocompatible dielectric thin film on the surface of a metal electrode in a biosensor constructing a biochip. When using such a biocompatible dielectric thin film, this non-specific adsorption between a protein such as enzyme and a metal electrode can be prevented. Therefore, the present invention can escape a phenomenon that inhibits the reaction of a biomolecule due to the non-specific adsorption on the surface of a metal electrode. In addition, when the dielectric thin film having a high dielectric constant, as a biocompatible dielectric thin film, is made on the surface of a metal electrode, the sensitivity of an electrical detection according to the reaction of a biomolecule can be improved.01-27-2011