Abstract: Provided is a cosmetic sheet, including a support and a membrane, which is provided on the support, is attached to the skin, and is formed by arranging a fiber containing a water-soluble polymer, a water-insoluble polymer, and a functional material for skin care that is released by the dissolution of the water-soluble polymer.

Abstract: Provided is a wearable device and a method of manufacturing the same. The wearable device includes: a wearable flexible printed circuit board having a circuit pattern formed on a base substrate having flexibility, air-permeability, and waterproofness; and a functional module mounted on the wearable flexible printed circuit board.

Abstract: Provided is a sound device having a membrane attached between a case and an electro-acoustic transducer using an adhesive foam tape, thereby enabling the prevention of a deterioration of vibration amplitude-related properties of the membrane, and the prevention of a distortion of sound that is being delivered. The sound device includes: a waterproof air-permeable membrane permeating gas entering and exiting an electro-acoustic transducer disposed inside the sound-transmitting hole and blocking the inflow of water; and a first adhesive foam tape having one side adhered to the membrane and the other side adhered to the case to adhere an edge of the membrane to a periphery of the sound-transmitting hole of the case. The first adhesive foam tape is provided with a plurality of pores formed on adhesive surfaces of the one side and the other side respectively bonded to the membrane and the case and filled with an adhesive material.

Abstract: Described is a three-dimensional (3D) microenvironment presenting defined biochemical and physical cues that regulate cellular behavior and use of the microenvironment. A composition to form the 3D microenvironment is provided by combining one or more natural or synthetic polymeric materials and substrate proteins recombinantly or chemically functionalized with a variety of bioactive peptides such as extracellular matrix-derived or growth factor-derived peptides. Also described are devices and methods for screening for optimal combinations of the bioactive motifs in order to create an extracellular microenvironment that can regulate specific cellular behavior such as cell growth, proliferation, migration or differentiation.

Abstract: Provided are a separator for a fuel cell, a method of manufacturing the same, and a fuel cell electrode assembly, The fuel cell separator includes: a first support formed by accumulating a polymer fiber and having a plurality of first pores; a first ion exchange resin filled in the plurality of first pores of the first support by droplets of the first ion exchange resin obtained by electrospraying the first ion exchange resin on the first support; a second support formed by accumulating a polymer fiber on the first support and having a plurality of second pores; and a second ion exchange resin filled in the plurality of second pores of the second support by droplets of the second ion exchange resin obtained by electrospraying the second ion exchange resin on the second support.

Abstract: Provided are a separator for a fuel cell, a method of manufacturing the same, and a fuel cell electrode assembly, in which the fuel cell separator includes: a support that is formed by accumulating fibers containing 20 wt % to 50 wt % of a fiber-forming polymer and 50 wt % to 80 wt % of a heat-resistant polymer, and has a plurality of pores; and an ion exchange resin filled in the plurality of pores of the support.

Abstract: Provided is a wearable flexible printed circuit board, in which a conductive circuit pattern is formed on a fiber web formed by accumulating fibers, and thus a base substrate has flexibility, resilience, waterproofness and air-permeability so as to be applied to future-oriented devices, a manufacturing method thereof, and a wearable smart device using the same. The wearable flexible printed circuit board includes: a base substrate made of a fiber web that is formed by accumulating spun fibers made of a fiber-forming polymer material and having a diameter of 3 ?m or less; and a conductive circuit pattern formed on the base substrate.

Abstract: Provided is a beauty care pack including: a support; and a membrane that is laminated on the support so as to be separated by moisture, formed by electrospinning a polymer material, a water-soluble polymer material and a functional material, and a dry type, in which the functional material is dissolved by moisture, to thereby enable an easy and convenient storage and package, and enable a convenient use since a dry sheet is attached to the face.

Abstract: Provided is a beauty care pack including: a support; a shape retaining layer that is laminated on the support so as to be separated from the support by moisture and is formed by electrospinning a polymer material, to maintain moisturizing and hold the shape of the beauty care pack; and a chemical liquid layer that is laminated on the shape retaining layer and is formed by electrospinning a water-soluble polymer material and a functional material, and that is a dry type and melted by moisture, to thus be easily and conveniently stored and packaged, and conveniently used since the dry sheet is attached on the face of a user.

Abstract: Provided is an adsorptive liquid filter including: a support tube having a hollow portion formed in a tubular shape and having a plurality of throughholes penetrating the hollow portion from an outer circumferential surface thereof; and an adsorptive membrane which is enclosed by the outer circumferential surface of the support tube and adsorbs foreign substances contained in contaminated liquid, the adsorption membrane including: a support member having a plurality of first pores; and a first adsorptive member which is stacked on the support member and has a plurality of second pores formed therein and is made by accumulating ion exchange nanofibers for adsorbing foreign substances.

Abstract: Provided is an adsorptive membrane, which includes: a support member having a plurality of first pores; and a first adsorptive member which is stacked on the support member and has a plurality of second pores formed therein and which is made by accumulating ion exchange nanofibers for adsorbing foreign substances.

Abstract: Provided is a gas filter, which includes an adsorptive membrane for adsorbing foreign substances contained in a gas, wherein the adsorptive membrane has a corrugated structure folded in a number of times or a structure having a plurality of projections, in order to increase a contact surface area of the gas per unit area, and wherein the adsorptive membrane includes: a support member having a plurality of first pores; and a first adsorptive member which is stacked on the support member and has a plurality of second pores formed therein and which is made by accumulating ion exchange nanofibers for adsorbing foreign substances.

Abstract: Provided is a mask having a built-in adsorptive membrane, the mask including: a mask body having the built-in adsorptive membrane for adsorbing foreign substances contained in air; and a hanger band fixed to the mask body to be hung and fixed to the ear, wherein the adsorptive membrane comprises: a support member having a plurality of first pores; and a first adsorptive member that is stacked on the support member and has a plurality of second pores formed therein and that is made by accumulating ion exchange nanofibers for adsorbing ionic foreign substances in the foreign substances.

Abstract: Provided is a cell culture support using a water-soluble polymer, which is a support to which cells are attached to culture the cells, and which includes: a fibrous web having a plurality of pores in which fibers containing a water-soluble polymer and a synthetic polymer obtained by electrospinning are accumulated, and into which a culture solution is penetrated, and the water-soluble polymer of the fibers gradually dissolves in the culture solution so that the cells can be grown and eluted from the fibrous web, thereby gradually reducing the diameters of the fibers.

Abstract: Provided is a dental membrane which includes: a first support made by accumulating first nanofibers of a biodegradable polymer obtained by electrospinning and having a plurality of pores formed therein; a second support made by accumulating second nanofibers of a biodegradable polymer obtained by electrospinning on the first support, and having a plurality of pores formed therein, in which the second nanofibers have diameters larger than the diameters of the first nanofibers; and a third support made by accumulating third nanofibers of a biodegradable polymer obtained by electrospinning on the second support, and having a plurality of pores formed therein, in which the third nanofibers have diameters smaller than the diameters of the second nanofibers.

Abstract: Provided is a cell culture support having improved cell adhesion and mobility, which includes: a fibrous web which is made by accumulating fibers containing a hydrophilic polymer and a hydrophobic polymer obtained by electrospinning, in which a plurality of pores into which a culture solution is penetrated are formed.

Abstract: The present invention relates to a system and method for an abnormal waveform in a power distribution system that quickly transmits abnormal waveform-related data of a large size by changing a protocol according to data size. The system for detecting an abnormal power quality waveform comprises: a plurality of RTUs for measuring abnormal waveform when a waveform measuring signal received, and transmitting an abnormal waveform using a protocol set according to the size of the abnormal waveform; an FEP for transmitting the waveform measuring signal to an RTU installed in a failure section, and receiving and storing the abnormal waveform from the RTU; a main server for transmitting the waveform measuring signal through the FEP to the RTU installed in the failure section, performing controlling to measure the abnormal waveform generated in the failure section, and receiving and displaying the abnormal waveform according to the waveform measuring signal.

Abstract: This disclosure provides for a three-dimensional (3D) microenvironment presenting defined physical or mechanical cues that regulate cellular behavior and use of the matrix. The disclosure also provides for devices and methods for screening for optimal combinations of physical and mechanical cues in order to create a microenvironment that can regulate specific cellular behavior such as cell growth, proliferation, migration or differentiation.

Abstract: Provided is matte film including: a film layer that is formed in a nano-web shape by electrospinning a polymer material; an ink layer that is coated on one surface of the film layer; and an adhesive layer that is laminated on the other surface of the film layer through electrospinning. Since the film layer is formed in a nano-web shape so that fiber strands are accumulated, the matte film can be thinly produced and have a non-glossy function of performing scattered reflection of light and a fingerprint-preventive function of making fingerprints imprinted. Further, the surface strength of the matte film can be reinforced.

Abstract: Provides are a porous separator that prevents a short-circuit between two electrodes by using a porous nanofiber web where nanofibers have a core-shell structure, to thereby promote safety and thinning simultaneously. The porous separator includes: a porous nonwoven fabric playing a support role and having micropores; and a porous nanofiber web that is laminated on one side of the porous nonwoven fabric, and plays a role of an adhesive layer and an ion-containing layer when the porous nanofiber web is in close contact with an opposed electrode, wherein a portion of the porous nanofiber web is incorporated in a surface layer of the porous nonwoven fabric, to thus partially block pores of the porous nonwoven fabric and to thereby lower porosity of the porous nonwoven fabric. The porous nanofiber web has nanofibers obtained by spinning a mixture of a swellable polymer and a non-swellable polymer to have a core-shell structure.