Abstract: The present invention relates to a novel quinoline compound and a use thereof and to a novel quinoline compound exhibiting CYP4A inhibition activity and a use thereof for preventing, alleviating, treating a metabolic disease. The compound disclosed in the present invention has a remarkable effect of inhibiting CYP4A and exhibits the activities of promoting the absorption of glucose into hepatocytes, inhibiting fat accumulation in hepatocytes, suppressing endoplasmic reticulum-induced reactive oxygen species, and treating steatohepatitis, and thus can be very advantageously used for developing therapeutics for metabolic diseases such as diabetes mellitus and fatty liver.

Abstract: A pillar unit for a bio chip can include a plate-form substrate having a plurality of holder parts, which are spaced apart from each other, and each of the plurality of holder parts includes a holding space, to which a pillar is inserted and fixed, in which each of the plurality of holder parts further includes a pair transformation slits so that the corresponding holder part may be transformed and restored while the pillar is accommodated in the holding space; and a plurality of pillars corresponding to the plurality of holder parts, each of the plurality of pillars is accommodated in the holding space in one of the plurality of holder parts, one end of each of the plurality of pillars is combined with one holder part among the plurality of holder parts and is detachable, and the other end of each of the pillars includes a sample.

Abstract: Provided is a pillar unit for a bio chip. The pillar unit for a bio chip according to the present invention is to form a bio chip along with a well plate, in which a culture medium is accommodated, wherein the bio chip analyzes samples of biological micro-substances such as cells, and may include: a plate-form substrate including a plurality of holder parts, which is spaced apart from each other, arranged vertically and horizontally, and includes a holding space, to which an object is inserted and fixed, wherein each of the holder parts includes transformation slits so that the holder part may be transformed and restored while the object is accommodated in the holding space; and a plurality of pillars corresponding to the above object which is accommodated in the holding space of the substrate, wherein one end of the pillar is combined with each holder part and is detachable, and the other end of the pillar includes the sample.

Abstract: The invention provides an electrolyte solution for hydrogen generating apparatus including water; at least one ionizing compound; and at least one cation exchange resin, as well as a hydrogen generating apparatus that includes the electrolyte solution. The electrolyte solution for hydrogen generating apparatus according to the invention can increase the time and amount of hydrogen generation by reducing an amount of metal hydroxide generation.

Abstract: An electrode for a fuel cell, and a membrane-electrode assembly and a fuel cell system that include the electrode are disclosed. An electrode for a fuel cell that includes an electrode substrate, a first channel formed in the electrode substrate, a first hydrophilic interface formed on an inner surface on one side of the first channel which guides liquids, and a first hydrophobic interface formed facing the first hydrophilic interface which guides gases, makes it possible for water obtained as a side product at the cathode to be separated from air without additional devices, so that it has a potential for utilization not only in portable electronic devices but also in low-capacity power source devices.

Abstract: The invention provides an electrolyte solution for hydrogen generating apparatus including water; at least one ionizing compound; and at least one cation exchange resin, as well as a hydrogen generating apparatus that includes the electrolyte solution. The electrolyte solution for hydrogen generating apparatus according to the invention can increase the time and amount of hydrogen generation by reducing an amount of metal hydroxide generation.

Abstract: One aspect of the invention provides an electrolyte solution for a hydrogen generating apparatus that includes water, at least one metal borohydride, at least one ionic compound, and at least one chelating agent, as well as a hydrogen generating apparatus that includes the electrolyte solution. With an electrolyte solution for a hydrogen generating apparatus based on an embodiment of the invention, it is possible to regulate the rate at which the hydrogen is generated and increase the amount and time of hydrogen generation.

Abstract: An electrode for a fuel cell, and a membrane-electrode assembly and a fuel cell system that include the electrode are disclosed. An electrode for a fuel cell that includes an electrode substrate, a first channel formed in the electrode substrate, a first hydrophilic interface formed on an inner surface on one side of the first channel which guides liquids, and a first hydrophobic interface formed facing the first hydrophilic interface which guides gases, makes it possible for water obtained as a side product at the cathode to be separated from air without additional devices, so that it has a potential for utilization not only in portable electronic devices but also in low-capacity power source devices.

Abstract: The hydrogen generating apparatus of the present invention includes an electrolyzer filled with an aqueous electrolyte solution containing ammonium chloride; a first metal electrode that is disposed in the electrolyzer, is immersed in the aqueous electrolyte solution, and generates electrons; and a second metal electrode that is disposed in the electrolyzer, is immersed in the aqueous electrolyte solution, and generates hydrogen gas by receiving the electrons. The hydrogen generating apparatus according to the present invention can increase hydrogen generation time and an amount of hydrogen generation.

Abstract: Disclosed herein is a method and apparatus of immobilizing a biocatalyst on a microfluidic biochip for conducting reactions in the presence of electroosmotic flow. The biochip includes a polymer on its microfluidic flow surfaces, wherein the polymer includes a first substituent selected from ionic groups of the same polarity or precursors thereof, a second substituent that is a hydrophobic group, and a third substituent comprising an immobilized biocatalyst-or precursor thereof. The biochip can be used to conduct multiple sequential biocatalyzed reactions in the presence of electroosmotic flow.

Abstract: Disclosed herein is a method and apparatus of immobilizing a biocatalyst on a microfluidic biochip for conducting reactions in the presence of electroosmotic flow. The biochip includes a polymer on its microfluidic flow surfaces, wherein the polymer includes a first substituent selected from ionic groups of the same polarity or precursors thereof, a second substituent that is a hydrophobic group, and a third substituent comprising an immobilized biocatalyst-or precursor thereof. The biochip can be used to conduct multiple sequential biocatalyzed reactions in the presence of electroosmotic flow.

Abstract: Disclosed herein is a method and apparatus of immobilizing a biocatalyst on a microfluidic biochip for conducting reactions in the presence of electroosmotic flow. The biochip includes a polymer on its microfluidic flow surfaces, wherein the polymer includes a first substituent selected from ionic groups of the same polarity or precursors thereof, a second substituent that is a hydrophobic group, and a third substituent comprising an immobilized biocatalyst- or precursor thereof. The biochip can be used to conduct multiple sequential biocatalyzed reactions in the presence of electroosmotic flow.