Abstract: The present invention relates to a phantom for quality assurance of magnetic resonance imaging (MRI) and computed tomography (CT) for multi-artifact correction. An aspect of the present invention provides a phantom capable of simultaneously evaluating performance of magnetic resonance imaging (MRI) and computed tomography (CT), the phantom including: a first hemispheric container; and a second hemispheric container which has the same structure and the same size as the first container, in which the first container and the second container are connected by being in direct contact with each other so as to form a symmetrical structure, each of the first container and the second container includes a teeth retainer into which a plurality of teeth mimics, which mimics teeth of a body, is inserted, and an insertion hole into which at least one bone mimic is inserted, and an interior of each of the first container and the second container is filled with at least one solution that mimics a brain metabolite.

Abstract: The present invention is related to a reinforcing member for a membrane for improving the pressure-withstanding property of the membrane having corrugations, and a membrane assembly having the reinforcing member and a method of constructing the membrane assembly. By providing a reinforcing member for a membrane having corrugations and installed in an insulating structural member of an LNG cargo, the present invention can prevent the collapse of the corrugation and attenuate shocks against a same load without increasing the facial rigidity of the corrugation, and improve the insulating property by forming an additional insulating layer.

Abstract: The present invention relates to a thermoplastic mask monitoring system using a pressure sensor. Specifically, a thermoplastic mask according to the present invention may include: a mask having a shape determined according to a shape of a first region which is at least a part of a patient's body by using thermoplasticity, fixing the first region in close contact with the first region, and receiving radiation; and a pressure sensor provided between the mask and the first region and sensing pressure induced by a space generated between the mask and the first region.

Abstract: The present invention relates to a head and neck simulation phantom device for simulating the head and neck of a body, the phantom device including: a flat type first plate having a first insertion groove formed on one surface thereof; a flat type second plate disposed to come into contact with the other surface of the first plate and having a second insertion groove formed on the contacted surface with the other surface of the first plate in such a manner as to correspond to the first insertion groove; and a plurality of teeth simulants inserted into the first insertion groove and the second insertion groove and for simulating the teeth of the body.

Abstract: A radiation treatment collimator having a multilayered linkage structure, the collimator providing various shapes of spaces to form an irradiation area transmitting radioactive rays therethrough, the collimator comprising: a fixed frame disposed on a plate; multiple pixel board layers fixedly stacked at predetermined intervals on top of each other inside the fixed frame, each pixel board layer being configured in a lattice form and having pixel covers disposed correspondingly to the respective lattices in such a manner as to be open and closed individually; control units disposed on both sides of the fixed frame to individually control the operations of the pixel covers of the pixel board layers; and power source units disposed on the front and rear sides of the fixed frame to supply the pixel board layers with operating power.

Abstract: A condensed cyclic compound is represented by Formula 1. An organic light-emitting device includes the condensed cyclic compound represented by Formula 1. X, Y1, Y2, A, B, and R1 of Formula 1 are described herein. An organic light-emitting device including an organic layer including the condensed cyclic compound may have low driving voltage, high efficiency, high brightness, and long lifespan.

Abstract: A method for marketing and selling unused hotel inventory to a user via a mobile digital device having a display screen comprising the steps of displaying a curated list of hotels having one or more rooms available on a first day during a booking window that opens on the first day, receiving from the user a selection of one of the hotels on the curated list during the booking window, displaying a booking link to the user, receiving a booking request via the booking link, and booking a reservation for a room at the selected hotel.

Abstract: A collimator for flow pixel proton therapy providing an irradiation region which controls an intensity of an irradiated proton, including micro-motors arranged at both sides of a main frame connected, one to one, to multiple spread panels arranged in a center opening of the main frame by a corresponding ones of multiple elastic reels, in which a first half of the spread panels are moved to a first side of the main frame and a second half of the spread panels are moved to a second side of the main frame by the opposite micro-motors when a corresponding elastic reel is wound by a corresponding micro-motor, and in which each spread panel is in a stress release state when the corresponding elastic reel is unwound.

Abstract: The present invention relates to a voxel-type block phantom for a multifunctional radiation measurement apparatus. A phantom, for adjusting an amount of radiation, has solid pixel blocks, having a radiation measuring device equipped therein and different media and densities from one another, assembled on top of one another so as to be assembled into a 3-dimensional voxel, wherein the phantom is formed by placing a solid block which is appropriate for a density that corresponds to each pixel of the 3-dimensional voxel. An inspector can personally and instantly customize a phantom that is appropriate for a subject to be measured and thus can obtain an accurate measurement value.

Abstract: An aspect of the present invention provides a rectal phantom unit and a phantom device including the same, including: a holder having a penetration portion formed in a longitudinal direction thereof; a rectal simulant which is inserted to the penetration portion of the holder, includes a plurality of unit plates laminated thereon, and simulates a rectum of a body; and a film which is disposed between the rectal simulant and the holder and measures an absorbed dose of radiation irradiated to the rectal simulant.

Abstract: The present invention relates to a phantom for quality assurance of magnetic resonance imaging (MRI) and computed tomography (CT) for multi-artifact correction. An aspect of the present invention provides a phantom capable of simultaneously evaluating performance of magnetic resonance imaging (MRI) and computed tomography (CT), the phantom including: a first hemispheric container; and a second hemispheric container which has the same structure and the same size as the first container, in which the first container and the second container are connected by being in direct contact with each other so as to form a symmetrical structure, each of the first container and the second container includes a teeth retainer into which a plurality of teeth mimics, which mimics teeth of a body, is inserted, and an insertion hole into which at least one bone mimic is inserted, and an interior of each of the first container and the second container is filled with at least one solution that mimics a brain metabolite.

Abstract: The present invention relates to a method and system for manufacturing a compensator for total body irradiation using a camera, and more particularly, to a method and system for manufacturing a patient-tailored compensator of accurate values using a 3D printer based on information acquired through a camera including a space depth sensor and a motion tracking sensor to perform a precise treatment by minimizing the error that can be generated during the treatment. According to one aspect of the present invention, an apparatus for manufacturing a compensator applied to a treatment using total body irradiation (TBI) may include: a first sensor for sensing a space depth of a body of a patient; a second sensor for tracking and sensing a motion of the patient; a depth camera for generating three-dimensional scan information on the body of the patient using the information sensed by the first sensor and the second sensor; and a 3D printer for manufacturing the compensator using the three-dimensional scan information.

Abstract: This invention relates to the treatment of cervical tumor caused by human papillomavirus (HPV) infection. In particular, the invention provides methods for improving cervical tumor treatment and methods for treating cervical tumor caused by HPV infection using a polynucleotide encoding an E6/E7 fusion protein.

Abstract: The present invention relates to a respiratory gating system for a patient using a natural breathing method during radiation therapy, and a method for emitting radiation thereby.

Abstract: A compound and an organic light emitting diode device, the compound being represented by the following Chemical Formula 1:

Abstract: A novel organic compound and an organic light emitting diode device using the same. The organic compound is represented by Chemical Formula 1: The organic compounds can provide improved electrical stability, high charge transport capability, a high glass transition temperature and may be capable of preventing crystallization. Also disclosed is an organic light emitting diode device including the compound of Chemical Formula 1 in the organic layer.

Abstract: A condensed cyclic compound is represented by Formula 1, and an organic light-emitting device includes the condensed cyclic compound. The organic light-emitting device includes a first electrode, a second electrode facing the first electrode, and an organic layer. The organic layer includes an emission layer and the condensed-cyclic compound.

Abstract: The present invention is related to a reinforcing member for a membrane for improving the pressure-withstanding property of the membrane having corrugations, and a membrane assembly having the reinforcing member and a method of constructing the membrane assembly. By providing a reinforcing member for a membrane having corrugations and installed in an insulating structural member of an LNG cargo, the present invention can prevent the collapse of the corrugation and attenuate shocks against a same load without increasing the facial rigidity of the corrugation, and improve the insulating property by forming an additional insulating layer.

Abstract: The present invention relates to a voxel-type block phantom for a multifunctional radiation measurement apparatus. A phantom, for adjusting an amount of radiation, has solid pixel blocks, having a radiation measuring device equipped therein and different media and densities from one another, assembled on top of one another so as to be assembled into a 3-dimensional voxel, wherein the phantom is formed by placing a solid block which is appropriate for a density that corresponds to each pixel of the 3-dimensional voxel. An inspector can personally and instantly customize a phantom that is appropriate for a subject to be measured and thus can obtain an accurate measurement value.

Abstract: The present invention relates to a head and neck simulation phantom device for simulating the head and neck of a body, the phantom device including: a flat type first plate having a first insertion groove formed on one surface thereof; a flat type second plate disposed to come into contact with the other surface of the first plate and having a second insertion groove formed on the contacted surface with the other surface of the first plate in such a manner as to correspond to the first insertion groove; and a plurality of teeth simulants inserted into the first insertion groove and the second insertion groove and for simulating the teeth of the body.