Patent application number | Description | Published |
20110053252 | MICROORGANISM PRODUCING O-ACETYL-HOMOSERINE AND THE METHOD OF PRODUCING O-ACETYL-HOMOSERINE USING THE MICROORGANISM - Disclosed herein are a microorganism strain capable of producing the L-methionine precursor O-acetyl homoserine in high yield and a method of producing O-acetyl homoserine using the same. The microorganism strain is a strain of | 03-03-2011 |
20110053253 | MICROORGANISM PRODUCING O-ACETYL-HOMOSERINE AND THE METHOD OF PRODUCING O-ACETYL-HOMOSERINE USING THE MICROORGANISM - Disclosed is a strain of | 03-03-2011 |
20110189739 | ESCHERICHIA COLI STRAIN WITH ENHANCED L-THREONINE PRODUCTIVITY AND METHOD OF PRODUCING L-THREONINE USING THE SAME - An L-threonine-producing | 08-04-2011 |
20120123158 | Method for Increasing Methionine Productivity Using a Mixture of Methyl Mercaptan and Dimethyl Sulfide - The present invention relates to a method for increasing L-methionine productivity and organic acid productivity. More particularly, the present invention relates to a method which involves adding a mixture containing methyl mercaptan and dimethyl sulfide at a appropriate ratio to O-acetyl homoserine or O-succinyl homoserine and to an enzyme having an activity of converting methionine precursor into L-methionine, so as to perform an enzyme reaction, to thereby improve the conversion rate of L-methionine and organic acid from the L-methionine precursor, and thus increasing L-methionine yield as compared to conventional method. | 05-17-2012 |
20120136058 | Method For Increasing The Solubility Of Methionine By Mineral Addition And Acid Treatment - The present invention relates to a method for enhancing the solubility of methionine. More particularly, the present invention relates to a method for increasing the solubility of methionine, in which mineral and sulfuric acid are added at an appropriate ratio to enhance the methionine solubility, thereby overcoming the problem of low solubility of methionine in water. | 05-31-2012 |
20120190083 | MICROORGANISM PRODUCING O-PHOSPHOSERINE AND METHOD OF PRODUCING L-CYSTEINE OR DERIVATIVES THEREOF FROM O-PHOSPHOSERINE USING THE SAME - The present invention provides methods for the production of cysteine or derivates thereof by culturing a microorganism having reduced activity of endogenous phosphoserine phosphatase and the activity of PhnC, PhnD, and PhnE is reduced, and enhanced activity of phosphoglycerate dehydrogenase and/or phosphoserine aminotransferase. The O-phosphoserine produced by such an organism can then be reacted with a sulfide in the presence of a sulfydrylase or a microorganism expressing a sulfhydrylase to produce cysteine or a derivative thereof. Microorganisms having these reduced and enhanced properties noted above are also provided herein. | 07-26-2012 |
20130040347 | ESCHERICHIA COLI STRAIN WITH ENHANCED L-THREONINE PRODUCTIVITY AND METHOD OF PRODUCING L-THREONINE USING THE SAME - An L-threonine-producing | 02-14-2013 |
20130344545 | MICROBES WITH AN IMPROVED ABILITY TO PRODUCE ORNITHINE AND METHOD FOR PRODUCING ORNITHINE USING SAME - The present invention relates to a microorganism having an improved ornithine-producing ability, in which the biosynthetic pathway of arginine form ornithine is blocked, the intracellular glutamate level is increased, and the biosynthetic pathway of ornithine from glutamate is enhanced, and a method for producing ornithine using the microorganism. | 12-26-2013 |
20140004577 | MICROORGANISMS FOR PRODUCING PUTRESCINE AND METHOD FOR PRODUCING PUTRESCINE USING SAME | 01-02-2014 |
20140296466 | Method for Producing Bio-Based Homoserine Lactone and Bio-Based Organic Acid from O-Acyl Homoserine Produced by Microorganisms - The present invention relates to a method of producing bio-based homoserine lactone and bio-based organic acid through hydrolysis of O-acyl homoserine produced by a microorganism in the presence of an acid catalyst. According to the present invention, O-acyl homoserine produced by a microorganism is used as a raw material for producing 1,4-butanediol, gamma-butyrolactone, tetrahydrofuran and the like, which are industrially highly useful. The O-acyl homoserine produced by a microorganism can substitute conventional petrochemical products, can solve environmental concerns, including the emission of pollutants and the exhaustion of natural resources, and can be continuously renewable so as not to exhaust natural resources. | 10-02-2014 |
20140363859 | RECOMBINANT MICROORGANISM HAVING IMPROVED PUTRESCINE PRODUCING ABILITY AND METHOD FOR PRODUCING PUTRESCINE BY USING SAME - The present invention relates to a recombinant microorganism having enhanced ability to produce putrescine at high yield, wherein the activity of NCgl0101 is weakened in a microorganism of genus | 12-11-2014 |
Patent application number | Description | Published |
20110031417 | TERAHERTZ WAVE GENERATOR AND METHOD OF GENERATING HIGH-POWER TERAHERTZ WAVES USING THE SAME - The present invention relates to a terahertz wave generator and a method of generating high-power terahertz waves using the terahertz wave generator. The terahertz wave generator includes a hollow spherical body, and a focusing lens installed in a cutout portion of the spherical body or an opening formed in the cutout portion, wherein an inner surface of the spherical body is coated with metal. In the method, frequencies having different levels are incident through the focusing lens or the opening to generate a plurality of air plasmas, and the air plasmas cause continuous focusing the metal-coated inner surface and hollow space of the spherical body, thus generating high-power terahertz waves. | 02-10-2011 |
20110292397 | BEAM SCANNING SYSTEM FOR SENSING BIOLOGICAL SUBSTANCES - Embodiments of adaptively performing clutter filtering are disclosed. In one embodiment, a beam scanning system includes a light source configured to generate a supercontinuum light beam; an optical device configured to receive the supercontinuum light beam for guidance thereof to at least two output ports; and a power supply unit configured to supply voltage to one output port of the at least two output ports to change a phase of the light beam from said one output port. | 12-01-2011 |
20120289029 | METHOD OF CONTROLLING AMOUNT OF ADSORBED CARBON NANOTUBES AND METHOD OF FABRICATING CARBON NANOTUBE DEVICE - Provided are a method of controlling an amount of adsorbed carbon nanotubes (CNTs) and a method of fabricating a CNT device. The method of controlling an amount of adsorbed CNTs includes adsorbing CNT particles onto a semiconductor structure, and removing some of the adsorbed CNTs by performing an oxygen plasma treatment on the adsorbed CNT particles. | 11-15-2012 |
20130054713 | FILE UPLOAD SYSTEM USING COMMUNICATION TERMINAL AND METHOD THEREOF - A file upload system using a communication terminal includes a communication terminal, a mail server and a web server. The mail server receives an attached file together with an e-mail transmitted to at least one previously allocated reception-side mail account from the communication terminal and stores the received e-mail and attached file. The web server provides a webpage to which a file is to be uploaded to the communication terminal, and provides a web service through which the file is uploaded to the corresponding webpage. | 02-28-2013 |
20140186851 | METHOD OF ANALYZING BINDING EFFICIENCY OF ADHESIVE NANOPARTICLES - Provided is a method of analyzing binding efficiency of adhesive nanoparticles. The method includes (a) injecting a solution containing nanoparticles into a first chamber slide, (b) evaporating only the solution from the first chamber slide into which the solution containing the nanoparticles is injected, and measuring a saturation temperature using a thermal imager while radiating light from a light source, (c) injecting cells into a second chamber slide, (d) injecting a solution containing nanoparticles into the second chamber slide in which the cells are cultured, (e) removing nanoparticles which are not bound to the cells from the second chamber slide into which the cells and the nanoparticles are injected, and (f) evaporating only the solution from the second chamber slide from which the nanoparticles are removed, and measuring a saturation temperature using a thermal image while radiating light from the light source. | 07-03-2014 |
20140367632 | FABRICATING METHOD OF CARBON NANOTUBE-BASED FIELD EFFECT TRANSISTOR AND CARBON NANOTUBE-BASED FIELD EFFECT TRANSISTOR FABRICATED THEREBY - There are provided a fabricating method of a carbon nanotube-based field effect transistor having an improved binding force with a substrate and a carbon nanotube-based field effect transistor fabricated by the fabricating method. The method includes forming an oxide film on a substrate, forming a photoresist pattern on the oxide film, forming a metal film on the entire surface of the oxide film having the photoresist pattern, removing the photoresist by lifting off, adsorbing carbon nanotubes on the substrate from which the photoresist is removed, performing an annealing process to the substrate to which the carbon nanotubes are adsorbed, and removing the metal film. Since an adhesive strength between a substrate and carbon nanotubes increases, stability and reliability of a field effect transistor can be improved. If the field effect transistor is applied to a liquid sensor or the like, a lifespan of the sensor can be extended and reliability of a measurement result obtained by the sensor can be improved. | 12-18-2014 |
20150049775 | PULSE LASER APPARATUS - Provided is a pulse laser apparatus for generating laser light. The apparatus includes a first mirror and a second mirror which are disposed at both ends of a resonator and configured to reflect the laser light, a gain medium disposed between the first and second mirrors and configured to amplify and output light incident from an outside, an etalon configured to adjust a pulse width of the laser light, and an acousto-optic modulator disposed between the first and second mirrors and configured to form a mode-locked and Q-switched signal from the laser light, in which some of the laser light is output through either the first or second mirror to outside the resonator. | 02-19-2015 |