Abstract: The present invention relates to a method for producing lithium carbonate by mixing lithium sulfate with a carbon material and heat-treating same in a carbon dioxide or carbon monoxide atmosphere.

Abstract: Disclosed is a mobile colposcopy device for early diagnosis of cervical cancer, which includes an insertion unit which is inserted into the vagina of a woman, has a penetrating hole formed in one end coming into contact with the uterus, and is provided with a capturing path communicating with the penetrating hole, a capturing unit which is provided in the insertion unit so as to capture the cervix through the capturing path, and a lighting unit which is provided on the capturing path of the insertion unit and irradiates a lighting to the cervix through the penetrating hole. According to the present disclosure, the mobile colposcopy device for early diagnosis of cervical cancer can be simply and easily used so as to perform cervical cancer screening using a mobile colposcopy without environmental constraints including hospitals and allows women to early diagnose cervical cancer.

Abstract: An inorganic electroluminescence device having heat resistance, moisture resistance and physical durability improved by applying a transparent electrode layer including a metal mesh substrate or a metal patterned substrate, and a method for manufacturing the same.

Abstract: Disclosed is an electronic device. The electronic device obtains a first histogram regarding a difference in gradation between adjacent pixels of an input image based on the first maximum output brightness, obtains a second histogram regarding a difference in gradation between the adjacent pixels of the input image based on the second maximum output brightness, obtains a third histogram regarding a difference in brightness between the adjacent pixels of the input image based on the first HVS recognition information, obtains a fourth histogram regarding a difference in brightness between the adjacent pixels of the input image based on the second HVS recognition information, and obtains a brightness value regarding the input image corresponding to the second maximum output brightness based on a difference between a first value obtained based on information on the first and third histograms and a second value obtained based on the second and fourth histograms.

Abstract: A sensitivity analyzing device and method are disclosed. The device includes a vibration exciter to configure a vibration exciting pattern and apply a physical force to one face of a test object based on the pattern; a first sensor in contact with the one face of the test object to measure a physical force applied to the test object; a second sensor in contact with an opposite face of the test object to collect a vibration of the test object caused by the physical force; and a sensitivity analyzer configured to: control the vibration exciter to configure the vibration exciting pattern; convert the physical force signal measured by the first sensor and the vibration signal collected by the second sensor in responses to the vibration exciting pattern into frequency domain signals to calculate a frequency response function of the test object; and calculate a sensitivity index of the test object.

Abstract: Augmented reality glasses with auto coregistration of an invisible field on visible reality which allows eyes to directly recognize a real space and precisely performs coregistration on only diagnosis and treatment information of invisible light, which is emitted from a specific area, to the real space. The augmented reality glasses include a glasses body, an invisible light emission unit configured to emit invisible light toward a target object, an input unit configured to input the invisible light emitted from the target object together with visible light to a waveguide, an information processing unit configured to convert invisible light image information received from the input unit into visible light image information which is recognizable by a person, and an image output unit configured to receive the visible light image information processed in the information processing unit and output the received visible light image information to two eyeballs in the waveguide.

Abstract: The present invention relates to a method and an apparatus for recovering copper, bronze and lead by allowing methane gas to flow into a reactor and heat-treating a mixture of copper oxide, tin oxide and lead oxide under a temperature condition of 700-900° C., and comprises the steps of: placing a mixture of copper oxide, tin oxide and lead oxide in a reactor; increasing the temperature inside the reactor; and allowing a reductive gas to flow into the reactor so as to heat-treat the mixture.

Abstract: The present invention provides an optical irradiation apparatus including: a dual laser light source unit which simultaneously or selectively outputs multiple light sources created with different outputs; an optical fiber which is connected to the dual laser light source unit, receives the light outputted from the dual laser light source unit, and emits the received light through an embossed end surface; and an inflatable balloon catheter which is formed to surround the embossed end surface of the optical fiber and expands constricted tissue. With the present invention, it is possible to effectively treat constricted tissue during a procedure of performing an anticancer therapy on entire human bodies with various types of cancers, and it is possible to mitigate patient's pain by reducing a relapse rate of stenosis after the photothermal therapy.

Abstract: The present invention provides a method of manufacturing a single-walled-carbon-nanotube-reinforced metal matrix complex material. The method includes (a) manufacturing a complex powder by performing ball milling of a metal powder and a single-walled carbon nanotube powder, and (b) manufacturing a metal-carbon-nanotube complex material by spark-plasma-sintering (SPS) the complex powder manufactured during step (a). According to the method of manufacturing the single-walled-carbon-nanotube-reinforced metal matrix complex material according to the present invention, in order to manufacture material parts requiring high strength and abrasion resistance, the single-walled carbon nanotube powder is added to various metal matrixes and ball milling is performed, thus manufacturing a complex powder having uniform dispersity.

Abstract: The present invention provides a composition for inhibiting ice recrystallization, including: A nucleic acid structure comprising a scaffold nucleic acid folded at predetermined positions to form a plurality of strands, and a plurality of staple nucleic acids, wherein at least a portion thereof has a complementary sequence to at least a portion of the scaffold nucleic acid, thereby binding to the scaffold nucleic acid to form a double strand. Therefore, it is possible to increase a survival rate of cells due to having excellent effect of inhibiting ice recrystallization upon cryopreservation of the cells, and maintain a texture of food even when using the composition in the freezing of food.

Abstract: The present invention provides an optical irradiation apparatus including: a dual laser light source unit which simultaneously or selectively outputs multiple light sources created with different outputs; an optical fiber which is connected to the dual laser light source unit, receives the light outputted from the dual laser light source unit, and emits the received light through an embossed end surface; and an inflatable balloon catheter which is formed to surround the embossed end surface of the optical fiber and expands constricted tissue. With the present invention, it is possible to effectively treat constricted tissue during a procedure of performing an anticancer therapy on entire human bodies with various types of cancers, and it is possible to mitigate patient's pain by reducing a relapse rate of stenosis after the photothermal therapy.

Abstract: The present invention relates to an antioxidant composition and, more specifically, to an antioxidant composition including a Sargassum serratifolium extract or a fraction thereof as an active ingredient, in which the antioxidant composition is a useful material (substance) that can be added to medicines, cosmetics, foods, animal feeds, and the like. The present invention also relates to a pharmaceutical composition for preventing or treating eye diseases, a food composition for alleviating eye diseases, and a health functional food, each of which includes a Sargassum serratifolium extract or a compound separated therefrom as an active ingredient.

Abstract: The present invention relates to a composition for preventing or treating stenosis, in which the composition includes brown algae extract, and more particularly to a composition for preventing or treating stenosis, in which the composition includes brown algae-derived polyphenol as an active ingredient, thereby providing excellent prevention or treatment effect on stenosis including tracheal stenosis, glottic stenosis, vascular stenosis, and the like.

Abstract: The present invention relates to a portable probe for photoacoustic tomography, capable of performing line-by-line scanning or area-by-area scanning by using a small number of light inputs; and a real-time photoacoustic tomography device. The probe for photoacoustic tomography includes: a lens receiving light inputs from an optical fiber so as to make the same proceed as small diameter parallel light; a Powell lens receiving the small diameter parallel light and generating a line beam of a predetermined thickness, and allowing energy dispersed on a line to be uniform on the entire line; a lens making the line beam pass therethrough such that the line beam has a predetermined width and a reduced thickness so as to be line-focused at a target area; an acoustic reflection glass for separating, from a light path, an acoustic wave outputted from the target area; and an acoustic measurement unit for measuring acoustic strength.

Abstract: The present invention relates to a parathyroid sensing system, and includes: a modulator for generating a modulation signal having a predetermined frequency; a lock-in amplifier and a light source which receive information on the modulation signal; an excitation filter for transmitting, among light emitted from the light source, only excitation light that excites parathyroid glands; an emission filter connected to a probe and selectively transmitting only fluorescence emitted from the parathyroid glands; a near-infrared sensor for sensing the autofluorescence that has passed through the emission filter, and converting the sensed autofluorescence into an electric signal; and a speaker for generating an alarm through the electric signal. Through the present invention, the locations of the parathyroid glands may be precisely identified even when lights are turned on in an operating room, and convenience may be provided by alerting a surgeon by means of an alarm when the parathyroid glands are detected.

Abstract: Disclosed are a method of manufacturing an aluminum-based clad heat sink, and an aluminum-based clad heat sink manufactured by the method. The method includes ball-milling (i) aluminum or aluminum alloy powder and (ii) carbon nanotubes (CNT) to prepare a composite powder, preparing a multi-layered billet using the composite billet, and directly extruding the multi-layered billet using an extrusion die to produce a heat sink. The method has an advantage of producing a light high-strength high-conductivity aluminum-based clad heat sink having an competitive advantage in terms of price by using direct extrusion that is suitable for mass production due to its simplicity in process procedure and equipment required.

Abstract: Disclosed are a method of manufacturing a billet used in plastic working for producing a composite member and a billet manufactured by the method. The method includes (A) ball-milling powders of two more materials to prepare a composite powder and (B) preparing a multi-layered billet containing the composite powder. The multi-layered billet includes a core layer and two or more shell layers. The shell layers except for the outermost shell layer are made of the composite powder. The outermost shell layer is made of a pure metal or metal alloy. The composite powders contained in the core layer and each of the shell layers have different compositions. The method has an advantage of manufacturing a plastic working billet being capable of overcoming the limitation of a single-material billet and enabling production of a characteristic-specific composite member such as a clad member.

Abstract: Disclosed are a method of manufacturing an aluminum alloy clad section, and an aluminum alloy clad section manufactured by the method. The method includes preparing a composite powder by ball-milling aluminum powder and carbon nanotubes, preparing a billet from the composite powder, and subjecting the billet to direct extrusion using an extrusion die. The method is simple in procedure and uses simple equipment because it is based on direct extrusion which is suitable for mass production. Thus, the method is capable of producing a lightweight high-strength functional aluminum alloy clad section having a competitive advantage in terms of price over conventional aluminum alloy clad sections.

Abstract: Provided are an apparatus and method for sterilizing an internal channel surface of an endoscope, and more particularly, to an apparatus and method for sterilizing an internal channel surface of an endoscope, in which ultrasonic and infrared rays are irradiated to an internal channel of the endoscope to partially or entirely sterilize and removing a biofilm generated on the internal channel surface of the endoscope during a procedure or diagnosis.

Abstract: The present invention relates to a real-time parathyroid imaging apparatus including: a light source including an excitation filter capable of exciting parathyroid glands; and a camera including an image sensor and an emission filter of which a transmissivity ratio between a visible light region and a near-infrared emission wavelength region is N:1 (here, N<1). Through the present invention, a system may be implemented whereby a surgeon may acquire, in real-time during an operation, an autofluorescence image of the parathyroid glands by using a near-infrared light source, and an auto focus function may be used, and visible light and near-infrared autofluorescence images may be simultaneously fused and acquired without having to turn off the lights in an operating room.