摘要:
A memory device including a dielectric thin film having a plurality of dielectric layers and a method of manufacturing the same are provided. The memory device includes: a bottom electrode; at least one dielectric thin film disposed on the bottom electrode and having a plurality of dielectric layers with different charge trap densities from each other; and an top electrode disposed on the dielectric thin film. Therefore, a memory device, which can be readily manufactured by a simple process and can be highly integrated using its simple structure, can be provided.
摘要:
Provided are an apparatus and method for detecting biomaterials. The apparatus for detecting the biomaterials includes a light source unit, a biomaterial reacting unit, and a detection unit detecting. The light source unit provides incident light. The biomaterial reacting unit includes a substrate and metal nanoparticles spaced from the substrate. The surface plasmon resonance phenomenon is induced on surfaces of the metal nanoparticles by the incident light. First detecting molecules specifically binding to target molecules are immobilized to the surfaces of the metal nanoparticles. The detection unit detects a resonance wavelength of emission light emitted from the metal nanoparticles by the surface plasmon resonance phenomenon.
摘要:
Provided are a biosensor and a method for detecting biomolecules by using the biosensor. The biosensor includes a detection unit and a fluid channel. The detection unit is disposed on a substrate and has a surface to which detection target molecules binding specifically to probe molecules are immobilized. The fluid channel is configured to provide an analysis solution containing the probe molecules to the detection target molecules. The probe molecules bind specifically to the target molecules and the detection target molecules.
摘要:
Provided is a bio-sensor chip. The bio-sensor chip includes a sensing part, a board circuit part, a channel part, and a cover. In the sensing part, a target material and a detection material interact with each other to detect the target material. The board circuit part is electrically connected to the sensing part. The channel part provides a solution material containing the target material into the sensing part. The cover is coupled to the board circuit part to cover the channel part and the sensing part.
摘要:
A biosensor reader and a biosensor reader system are provided. The biosensor reader has a field-effect transistor (FET) biosensor attached thereto, and the FET biosensor includes between electrodes a probe channel to which probe materials are immobilized. The biosensor reader analyzes an electrical conductivity change of the probe channel caused by the binding between the probe material and a target material contained in an analysis solution. The biosensor reader includes a measurement module and an output module. The measurement module connects the probe channel electrically to a reference resistance with a fixed resistance value by the attachment of the FET biosensor, measures a reference voltage drop across the reference resistance and a channel voltage drop across the probe channel, and analyzes an electrical conductivity change of the probe channel from the reference voltage drop and the channel voltage drop. The output module outputs the analysis result of the target material according to the electrical conductivity change.
摘要:
A biosensor using a nanodot and a method of manufacturing the same are provided. A silicon nanowire can be formed by a CMOS process to reduce manufacturing costs. In addition, an electrically charged nanodot is coupled to a target molecule to be detected, in order to readily change conductivity of the silicon nanowire, thereby making it possible to implement a biosensor capable of providing good sensitivity and being manufactured at a low cost.
摘要:
Provided are a biosensor, an apparatus and a method for detecting a biomolecule using the biosensor. The biosensor may include a supporting substrate, a semiconductor layer spaced apart from a top surface of the supporting substrate by supporting patterns, and a nano-motor array formed on a top surface of the semiconductor layer. The nano-motor array may include a plurality of nano-metal rods configured to exhibit an autonomous propulsion in a fluid.
摘要:
Provided are a biochip and a method of detecting a reaction from the biochip. This method includes preparing a first mixture solution of polyvinylpyrrolidone (PVP) and a sample including target molecules, measuring absorbance or transmittance of the first mixture solution, preparing a second mixture solution including the PVP, the sample, and a receptor of the target molecules, measuring absorbance or transmittance of the second mixture solution, and calculating an absorbance or transmittance difference between the first mixture solution and the second mixture solution. Thus, it is possible to reduce the production cost of the biochip by inducing a reaction of an antigen and an antibody using PVP. Further, it is possible to detect an accurate quantity of the antigen by analyzing a quantity of antigen on the basis of the absorbance or transmittance difference.
摘要:
Provided is a method of manufacturing a nanoparticle aggregate including: forming a micelle or reverse micelle structure including a nanoparticle aggregate therein, and forming a nanoparticle aggregate in which the number of nanoparticles is adjusted inside the micelle or reverse micelle structure by adjusting the size or shape of the inside of the formed micelle or reverse micelle structure. Therefore, a nanoparticle aggregate in which the number of nanoparticles is adjusted can be obtained through a simple process using a micelle or a reverse micelle. Also, a nanoparticle aggregate in which the number of nanoparticles is adjusted is provided.