Abstract: There is provided a microdevice for biomaterial detection, including a passive micromixer to mix a biomaterial, a first probe, and a second probe; a magnetic separation chamber connected with the passive micromixer; and a capillary electrophoresis channel connected with the magnetic separation chamber.

Abstract: Disclosed herein is a gear train of a multi-step transmission for a vehicle, which can shift gears among nine forward speeds and one reverse speed. The gear train realizes a desired level of multi-step change gear ratios and has a reduced number of sets of planetary gears to reduce the volume and length of the transmission, thus realizing a compact structure, thereby facilitating the installation of the transmission in the vehicle.

Abstract: A gear train apparatus in a multistage transmission may include input and output shafts, a complex planetary gear device concentrically mounted with regard to the output shaft and having four rotary components including one rotary component coupled to the output shaft, first to third pairs of external gears, first to third clutches, a train of external gears, a fourth clutch and first and second brakes.

Abstract: A gear train apparatus in a multistage transmission may include input and output shafts, a complex planetary gear device concentrically mounted with regard to the output shaft and having four rotary components including one rotary component coupled to the output shaft, first to third pairs of external gears, first to third clutches, a train of external gears, a fourth clutch and first and second brakes.

Abstract: Disclosed herein is a gear train of a multi-step transmission for a vehicle, which can shift gears among nine forward speeds and one reverse speed. The gear train realizes a desired level of multi-step change gear ratios and has a reduced number of sets of planetary gears to reduce the volume and length of the transmission, thus realizing a compact structure, thereby facilitating the installation of the transmission in the vehicle.

Abstract: A planetary gear train of an automatic transmission may include an input shaft, an output gear, a first planetary gear set always outputting a negative rotation speed from a rotation speed input from the input shaft, a second planetary gear outputting the negative rotation speed input from the first planetary gear set or converting negative rotation speed into a positive rotation speed and outputting the positive rotation speed, a compound planetary gear set formed by third and fourth planetary gear sets and changing the rotation speed selectively through two paths and into nine forward speeds and one reverse speed, eight rotational members including two rotation elements connected to each other or one rotation element among the rotation elements of the first and second planetary gear sets and the compound planetary gear set, and a six friction members, and a transmission housing.

Abstract: A planetary gear train of an automatic may include an input shaft, an output shaft, a first planetary gear set having a first, second and third rotation elements, the first selectively connected to the input shaft, a second planetary gear set having a fourth, fifth and sixth rotation elements, the fourth directly connected to the second rotation element and the fifth directly connected to the input shaft, a compound planetary gear set having seventh, eighth, ninth and tenth rotation elements, the seventh selectively receiving the speed of the input shaft from the fifth, the eighth selectively receiving increased speed from the sixth, the ninth directly connected to the output shaft, and the tenth selectively connected to the input shaft, eight rotation members consisting of at least one of the rotation elements and six friction members.

Abstract: A rotational PCR apparatus, a PCR chip for the same and a rotational PCR method using the same. The rotational PCR apparatus includes: a PCR chip where PCR is performed; a rotating means connected to the PCR chip and rotating the PCR chip; and a temperature zone forming means spaced apart from the PCR chip, capable of applying thermal energy to the PCR chip and allowing the rotating PCR chip to pass through different temperature zones. The rotational PCR apparatus and method allow performance of PCR with wanted temperature condition and cycles by rotating the chip containing the target substance. Accordingly, a high-efficiency PCR process may be accomplished at low cost. Further, since the target substance can be effectively separated and purified utilizing the centrifugal force resulting from the rotating platform, separation and purification may be achieved economically without requiring additional equipments.

Abstract: Provided are a rotational PCR apparatus, a PCR chip for the same and a rotational PCR method using the same. The disclosed rotational PCP apparatus includes: a PCR chip where PCR is performed; a rotating means connected to the PCR chip and rotating the PCR chip; and a temperature zone forming means spaced apart from the PCR chip, capable of applying thermal energy to the PCR chip and allowing the rotating PCR chip to pass through different temperature zones. The rotational PCR apparatus and method allow performance of PCR with wanted temperature condition and cycles by rotating the chip containing the target substance. Accordingly, a high-efficiency PCR process may be accomplished at low cost. Further, since the target substance can be effectively separated and purified utilizing the centrifugal force resulting from the rotating platform, separation and purification may be achieved economically without requiring additional equipments.

Abstract: This invention provides methods for covalently affixing a biomolecule to either a second molecule or a solid surface using 1,3-dipolar cycloaddition chemistry. This invention also provides related methods and compositions.

Abstract: Engine torque selectively inputted through first and second input shafts is received and changed selectively by first and second output devices respectively having first and second output shafts.

Abstract: A gear structure layout of a double clutch transmission includes a main input shaft for receiving an engine torque. A first and second input shaft rotating coaxially with the main input shaft. A first and second clutch, first and third drive gears formed on an input shaft, and second and fourth drive gears formed on the other input shaft. A first output device for selectively changing torques of the first, second, third, and fourth drive gears and for outputting the changed torque. A second output device for selectively changing torques of the first, second, third, and fourth drive gears and for outputting the changed torque. Also included is a differential gear commonly connected to the first output device and the second output device. The layout provides for only four drive gears on input shafts that enables a total of seven speeds, and a compact double clutch transmission.

Abstract: Engine torque selectively inputted through first and second input shafts is received and changed selectively by first and second output devices respectively having first and second output shafts.

Abstract: A gear structure layout of a double clutch transmission includes a main input shaft for receiving an engine torque. A first and second input shaft rotating coaxially with the main input shaft. A first and second clutch, first and third drive gears formed on an input shaft, and second and fourth drive gears formed on the other input shaft. A first output device for selectively changing torques of the first, second, third, and fourth drive gears and for outputting the changed torque. A second output device for selectively changing torques of the first, second, third, and fourth drive gears and for outputting the changed torque. Also included is a differential gear commonly connected to the first output device and the second output device. The layout provides for only four drive gears on input shafts that enables a total of seven speeds, and a compact double clutch transmission.

Abstract: This invention provides a pinion carrier assembly for an automatic transmission, which comprises a pinion carrier body and a pinion shaft fixed to the pinion carrier body for rotatably supporting a pinion gear, wherein the pinion shaft is fixed to the pinion carrier body by calking. The pinion carrier assembly according to this invention can be effectively manufactured under automation and thereby the quality of the carrier assembly can be uniformly maintained.

Abstract: This invention provides a pinion carrier assembly for an automatic transmission, which comprises a pinion carrier body and a pinion shaft fixed to the pinion carrier body for rotatably supporting a pinion gear, wherein the pinion shaft is fixed to the pinion carrier body by calking. The pinion carrier assembly according to this invention can be effectively manufactured under automation and thereby the quality of the carrier assembly can be uniformly maintained.