Abstract:
Disclosed are a method and a kit for the quantification of nucleic acids, especially a trace amount of nucleic acid, such as host cell nucleic acid impurities, using real-time PCR with a random primer.
Abstract:
The present invention relates to an ozone-measuring apparatus which measures the ozone concentration and a variation in the ozone concentration of a predetermined space. More particularly, the present invention relates to a multichannel ozone-measuring apparatus, which performs measurements of low-concentration ozone to high-concentration ozone at the same time by means of a single ultraviolet lamp using an ultraviolet absorption method.
Abstract:
The present invention relates to an improvement in the performance of one or more surface contact-type probes. More particularly, the present invention relates to a probe apparatus for measuring constant-pressure electric resistance (Korean Patent Registration No. 10-0981677 and PCT patent application No. KR2009-006449) which is developed to solve the problem of non-equivalency in the contact between a plurality of electric resistance measuring cores arranged in parallel with each other and the surface of a sample. A voltage-applying system is adopted and a lead wire penetrates through a pneumatic reservoir in a vertical direction to utilize the probe apparatus for measuring constant-pressure electric resistance, improve the performance of the apparatus, and simplify the structure of the apparatus.
Abstract:
The present invention relates to a method for locating a source of damage in a blade of a wind power generator, capable of tracing the source of damage in a blade used in a wind power generator. More particularly, the present invention relates to a method and apparatus for locating a source of damage in a blade of a wind power generator, which involve detecting defects using an attenuation map prepared on the basis of energy values of elastic waves so as to accurately locate a source of damage in a large composite material structure. The method for locating a source of damage in a blade of a wind power generator according to the present invention enables a source of damage in a large composite material structure made of two or more materials to be accurately located in a different manner than conventional techniques, and fewer AE sensors to be used as compared to conventional techniques.
Abstract:
Disclosed is a linear hydrogen-material-containing ampoule test piece. The linear hydrogen-material-containing ampoule test piece comprises: a feeding part through which hydrogen gas is injected; an ampoule body which has a hollow space on the inside, and on one end of which is formed a holding part that is assembled together with the feeding part and on the other end of which is formed a securing part with a predetermined gap from the holding part; a plurality of thin metal wires which are inserted into the hollow space, and on one end of which is formed a latching tube such that they are secured on the inside of the holding part and on the other end of which is formed a latching part that widens such that they are secured on the inside of the securing part; and a stopper part which is assembled onto the securing part and seals in the injected hydrogen gas. The present invention allows measurement of hydrogen damage in situ in the same way as with an interdisciplinary environmental mechanical testing system in which mechanical testing is carried out in an autoclave, and, in particular, the tensile deformation behaviour of the thin metal wires can be analysed by eliminating just the apparent tensile properties of the linear hydrogen-material-containing ampoule test piece from the tensile results for the linear hydrogen-material-containing ampoule test piece and the thin metal wires mounted in the device.
Abstract:
An integrating sphere photometer and a measuring method of the same are provided to precisely measure a directional light source. The integrating sphere photometer includes an integrating sphere having a plurality of through-holes, a plurality of photometers disposed at the through-holes, baffles disposed in front of the photometers to be spaced apart therefrom, an auxiliary light source disposed inside the integrating sphere, an auxiliary baffle disposed in front of the auxiliary light source, and a summing unit of output signals of the photometers under the illumination of a light source to be measured disposed in the central area inside the integrating sphere.
Abstract:
The present invention relates to a method of manufacturing a reference material for detecting genetically modified (GM) plants mixed into samples or for analyzing mixing ratios from tissue-cultured cell lines that are obtained by culturing tissues of either GM plants or non-GM plants. The present invention further relates to a method of detecting and analyzing ratios of GM plants mixed into samples using the reference material. With the reference material of the present invention, which is for detecting intermixing or for analyzing the mixing ratio of GM plants in samples by using tissue-cultured cell lines that are obtained by respectively culturing tissues of either GM plants or non-GM plants, countless individual lines having the same genetic traits can be obtained via the cell culturing, and hence the invention allows culturing capacity to be increased to large volumes in such a way as to produce large volumes of reference material of uniform quality free from quality variation between batches. In addition, reference materials manufactured by using grain powder, the present invention has advantages in that it allows either GM or non-GM reference materials with 100% purity to be obtained by verifying the purity of tissue-cultured cell lines, which enables a constant stable supply of reference materials with uniform compositions.
Abstract:
The present invention relates to a superconducting quantum interference device (SQUID) sensor and to a method for manufacturing same. The SQUID sensor of the present invention comprises a wound detection coil for detecting a fine magnetic field and generating current, and a thin film SQUID having input coils, each end of which is connected to conductive connection pads, wherein both ends of the detection coil and the conductive connection pad are directly electrically connected via a superconducting connection line. Meanwhile, the method for manufacturing a SQUID sensor of the present invention comprises a first step of providing a SQUID sensor comprising a wound detection coil for detecting a fine magnetic field and generating current, and a thin film SQUID having input coils, each end of which is connected to conductive connection pads, and electrically connecting one end of a superconducting connection line to the conductive connection pad; a second step of fixing both ends of the wound detection coil onto a support by an adhesive; and a third step of electrically connecting, to the other end of the superconducting connection line, both ends of the detection coil fixed by the adhesive.
Abstract:
The present invention relates to an ellipsometer using a half-mirror, and more particularly, to an ellipsometer using a half-mirror, in which, instead of using rectangular prism type or glass plate type beam splitter that transmits some of the light and reflects the rest of the light as in a conventional vertical incident type focused-beam ellipsometer, the light is reflected to half of the object lens by a half-mirror and the light reflected from the half of the focus of the object lens is not transmitted through the beam splitter but is detected directly by a photodetector, and thus light interference due to the beam splitter is prevented and the light intensity is increased to maximally four times to thereby allow more accurate and precise measurement and analysis of physical properties for a sample of nanofilm or nano-pattern.
Abstract:
Provided is a nanogap device having metallic nanodots. To be specific, the nanogap device having a plurality of metallic nanodots performed by a heat-treatment process of the device having a large separation distance between electrodes formed by lithographic technology is provided for easy fabrication of a biosensor and a memory device having a superior performance. In particular, the nanogap device can be easily applied to the biosensor that has the high sensitivity in the detection of biomolecules and the suitability of statistical measurement method.