Abstract: A single-input multi-output surface acoustic wave (“SAW”) device contains two or more output inter-digital transducers (“IDTs”) arranged in a longitudinal direction of a single input IDT. The detection sensitivity and reliability of the SAW device may be improved by eliminating the deviation and signal interference between multiple input IDTs.

Abstract: Provided is a method and device for identifying glycated protein in a sample using a matrix including a boronic acid moiety that binds glycated proteins.

Abstract: A particle complex comprising a particle; a cleavable linker bound to a surface of the particle; and a macromolecule bound to the cleavable linker, wherein the macromolecule specifically binds to a surface marker of a target cell, and a method of isolating a target cell comprising same.

Abstract: A surface acoustic wave (“SAW”) sensor system comprises a signal generating part, which applies an electrical signal to a SAW sensor, the SAW sensor connected to the signal generating part, which converts the electrical signal into a SAW, senses a measurement target using the SAW, and converts a SAW output corresponding to the measurement target into an electrical signal, and a signal measuring part connected to one side of the SAW sensor, which detects a change in the electrical signal by time-gating a multiple-transit-echo wave.

Abstract: A surface acoustic wave (SAW) array sensor having an input interdigital transducer (IDT); first and second output IDTs that are disposed at both sides of the input IDT, respectively; a first delay line between the input IDT and the first output IDT; and a second delay line between the input IDT and the second output IDT, wherein the first and second delay lines have different lengths; and related devices.

Abstract: A biosensor and method for detecting a target material using an agglomeration of magnetic nanoparticles are provided.

Abstract: Provided herein is a surface acoustic wave (“SAW”) sensor device including an isolation component of a target biomolecule. A sample containing the target biomolecule is separated by its size using electrophoresis, and sequentially reacts with a SAW sensor. In other words, the device is capable of detecting the target biomolecule by separating biomolecules using electrophoresis, and applying the separated biomolecules to the SAW sensor.

Abstract: An ion exchangeable mixture containing a polymeric compound consisting of an ion exchange resin, an acrylamide mixture containing at least one bisacrylamide and at least one acrylamide, and a copolymer obtained by reacting the polymeric compound with the acrylamide mixture, and a method of producing the same are provided. The ion exchangeable membrane produced by using the ion exchangeable mixture has significantly smaller electric resistance than conventional ion exchangeable membranes, and has excellent selective permeability because the ion exchangeable membrane is electrically charged. The ion exchangeable membrane can be produced under very mild production conditions, and thus can be produced very easily. Furthermore, the ion exchangeable membrane can be also formed into film during a crosslinking reaction in a solvent of water, and thus is advantageous in that the ion exchangeable membrane can be freely produced into desired sizes, shapes and forms.

Abstract: Embodiments of the disclosure describe a structure for mounting a biosensor in a microfluidic cartridge including a biosensor holder, a gasket seal, a strut, and a leaf spring using a method for maintaining constant pressure and a microfluidic cartridge including the same. The structure allows pressure to be evenly distributed to the biosensor in order to secure reproducibility and reliability of the detection signal, and enables integrated configuration of the cartridge by using a minimum amount of space.

Abstract: This disclosure describes an apparatus for sensing a target using a sinc function, a surface acoustic wave (SAW) sensor system including the same, and a method of measuring a target using a sinc function. The apparatus for measuring a target using the sinc function may measure an output signal from a SAW sensor with high precision and reliability.

Abstract: A surface acoustic wave sensor device includes a main body and a liquid controller disposed external to the main body. The main body includes a sample chamber, a surface acoustic wave sensor connected to the sample chamber, a first disposal chamber connected to the surface acoustic wave sensor and channels connecting the sample chamber, the surface acoustic wave sensor and the first disposal chamber. The liquid controller controls flow of a sample through the main body.

Abstract: Provided is a method for amplifying a frequency variation of a detected signal in a biosensor that is used for detecting a biomolecule by measuring a change in frequency of an oscillating signal, the change being caused by pressure a biomolecule applies to a piezoelectric substance. The method for amplifying a frequency variation of a detected signal comprises the steps of: (a) applying a sample to a probe being fixed to an upper portion of a substrate of the biosensor to allow a biomolecule in the sample to be bound to the probe; (b) applying protein tagged with a metal particle to the biosensor to allow the protein and the biomolecule to be bound with each other; and (c) applying a metal enhancer to the biosensor to allow the metal enhancer to be bound to the metal particle having been bound to the protein.

Abstract: A highly sensitive method of assaying an analyte present in a sample using protamine is provided, as well as an immunoassay reagent and biosensor that reduces non-specific binding by electrostatic interaction of protamine with fibrinogen present in the sample.

Abstract: A method of positively detecting toxic materials within a sample, the method including contacting sub-mitochondrial particles having competent mitochondrial enzymes formed from inner membranes of mitochondria, an electron donor which transmits electrons to an electron transfer system of the sub-mitochondrial particles and the sample, and forming reaction resultants, adjusting a pH of a pH indicator which change color according to a change in pH, adding the pH indicators to each reaction resultant and identifying color changes of the pH indicator. Also provided is a kit for positively detecting toxic materials within a sample.

Abstract: A surface acoustic wave (“SAW”) sensor system comprises a signal generating part, which applies an electrical signal to a SAW sensor, the SAW sensor connected to the signal generating part, which converts the electrical signal into a SAW, senses a measurement target using the SAW, and converts a SAW output corresponding to the measurement target into an electrical signal, and a signal measuring part connected to one side of the SAW sensor, which detects a change in the electrical signal by time-gating a multiple-transit-echo wave.

Abstract: A microfluidic channel for effectively removing a gas from a fluid, and microfluidic apparatus including the same are provided. The microfluidic channel includes a first channel having a uniform cross-sectional area, and a second channel connected to the first channel and having a gradually expanded cross-sectional area.

Abstract: An electrodialysis apparatus includes a sample chamber including first and second dialysis membranes and filled with a sample between the first dialysis membrane and the second dialysis membrane, an anode chamber including an anode and filled with a first chamber solution between the anode and the first dialysis membrane, and a cathode chamber including a cathode and filled with a second chamber solution between the cathode and the second dialysis membrane. In particular, when a voltage is applied to the anode and the cathode, ionic materials of the sample move to the anode and cathode chambers.

Abstract: An ion exchangeable mixture containing a polymeric compound consisting of an ion exchange resin, an acrylamide mixture containing at least one bisacrylamide and at least one acrylamide, and a copolymer obtained by reacting the polymeric compound with the acrylamide mixture, and a method of producing the same are provided. The ion exchangeable membrane produced by using the ion exchangeable mixture has significantly smaller electric resistance than conventional ion exchangeable membranes, and has excellent selective permeability because the ion exchangeable membrane is electrically charged. The ion exchangeable membrane can be produced under very mild production conditions, and thus can be produced very easily. Furthermore, the ion exchangeable membrane can be also formed into film during a crosslinking reaction in a solvent of water, and thus is advantageous in that the ion exchangeable membrane can be freely produced into desired sizes, shapes and forms.

Abstract: A surface acoustic wave sensor device includes a main body and a liquid controller disposed external to the main body. The main body includes a sample chamber, a surface acoustic wave sensor connected to the sample chamber, a first disposal chamber connected to the surface acoustic wave sensor and channels connecting the sample chamber, the surface acoustic wave sensor and the first disposal chamber. The liquid controller controls flow of a sample through the main body.

Abstract: An ion exchangeable mixture containing a polymeric compound consisting of an ion exchange resin, an acrylamide mixture containing at least one bisacrylamide and at least one acrylamide, and a copolymer obtained by reacting the polymeric compound with the acrylamide mixture, and a method of producing the same are provided. The ion exchangeable membrane produced by using the ion exchangeable mixture has significantly smaller electric resistance than conventional ion exchangeable membranes, and has excellent selective permeability because the ion exchangeable membrane is electrically charged. The ion exchangeable membrane can be produced under very mild production conditions, and thus can be produced very easily. Furthermore, the ion exchangeable membrane can be also formed into film during a crosslinking reaction in a solvent of water, and thus is advantageous in that the ion exchangeable membrane can be freely produced into desired sizes, shapes and forms.