Abstract: The present invention discloses a pump for measuring a pressure of fluid to be transferred, a fluid transport system using the same, and a method for operating the system. The pump includes a pumping portion alternately generating a positive pressure and a negative pressure; a first diaphragm which is provided on one side of the pumping portion and of which a shape is changed as the positive pressure and the negative pressure are alternately generated; a transport chamber which sucks and discharges a transport target fluid corresponding to the deformation of the first diaphragm; a second diaphragm which is provided on the other side of the pumping portion; a monitoring chamber which is provided on one side of the second diaphragm and of which a pressure changes corresponding to the deformation of the second diaphragm; and a pressure measuring portion measuring a pressure change of the monitoring chamber.

Abstract: An electro-osmotic pump according to an embodiment of the present disclosure includes: a membrane that allows fluid movement; and a first electrode and a second electrode respectively provided on both sides of the membrane. The first electrode and the second electrode are formed of an impermeable substrate material and an electrode material coated thereon and have at least one fluid pathway. The impermeable substrate material is a plate-shaped substrate including at least one of a conducting material, a semiconducing material and a non-conducting material.

Abstract: The present invention discloses a pump for measuring a pressure of fluid to be transferred, a fluid transport system using the same, and a method for operating the system. The pump includes a pumping portion alternately generating a positive pressure and a negative pressure; a first diaphragm which is provided on one side of the pumping portion and of which a shape is changed as the positive pressure and the negative pressure are alternately generated; a transport chamber which sucks and discharges a transport target fluid corresponding to the deformation of the first diaphragm; a second diaphragm which is provided on the other side of the pumping portion; a monitoring chamber which is provided on one side of the second diaphragm and of which a pressure changes corresponding to the deformation of the second diaphragm; and a pressure measuring portion measuring a pressure change of the monitoring chamber.

Abstract: The present invention provides an electrochemical biosensor comprising a carbon nanotube for measuring biosignals. The electrochemical biosensor for continuous glucose monitoring comprises an electrode to which a sensing film including an oxidoreductase, an electron transfer mediator, and a crosslinker is fixed, together with a carbon nanotube, wherein the oxidoreductase oxidizes a target substance and the electron thus generated in the oxidation process is transferred through the electron transfer mediator and the carbon nanotube, whereby the electrochemical biosensor can be used as a sensor having an excellent performance for continuous glucose monitoring.

Abstract: The present invention discloses a pump for measuring a pressure of fluid to be transferred, a fluid transport system using the same, and a method for operating the system. The pump includes a pumping portion alternately generating a positive pressure and a negative pressure; a first diaphragm which is provided on one side of the pumping portion and of which a shape is changed as the positive pressure and the negative pressure are alternately generated; a transport chamber which sucks and discharges a transport target fluid corresponding to the deformation of the first diaphragm; a second diaphragm which is provided on the other side of the pumping portion; a monitoring chamber which is provided on one side of the second diaphragm and of which a pressure changes corresponding to the deformation of the second diaphragm; and a pressure measuring portion measuring a pressure change of the monitoring chamber.

Abstract: The present disclosure provides a system for electrochemical conversion of carbon dioxide, including: a reduction electrode unit to which carbon dioxide is supplied and including a metal-containing electrode; an oxidation electrode unit including a sacrificial electrode; and an electrolyte unit including an aprotic polar organic solvent and an auxiliary electrolyte, which is in contact with the reduction electrode unit and the oxidation electrode unit, and the carbon dioxide supplied to the reduction electrode unit is electrochemically reduced so as to produce an oxalate salt.

Abstract: The present invention discloses a pump for measuring a pressure of fluid to be transferred, a fluid transport system using the same, and a method for operating the system. The pump includes a pumping portion alternately generating a positive pressure and a negative pressure; a first diaphragm which is provided on one side of the pumping portion and of which a shape is changed as the positive pressure and the negative pressure are alternately generated; a transport chamber which sucks and discharges a transport target fluid corresponding to the deformation of the first diaphragm; a second diaphragm which is provided on the other side of the pumping portion; a monitoring chamber which is provided on one side of the second diaphragm and of which a pressure changes corresponding to the deformation of the second diaphragm; and a pressure measuring portion measuring a pressure change of the monitoring chamber.

Abstract: The embodiments described herein pertain generally to an amalgam electrode, and a producing method of the amalgam electrode, and an electrochemical reduction method of carbon dioxide using the amalgam electrode.

Abstract: A method and a device for electrochemical reduction of carbon dioxide for preparing a high-concentration formate salt. Carbon dioxide is continuously supplied to a cathode unit and is continuously supplied to a metal hydroxide to the anode unit. A voltage or current is applied to the cathode unit and the anode unit for reducing the carbon dioxide to obtain the formate salt.

Abstract: A fluid pumping system may include an electroosmotic pump; and a separation member provided at least one end of the electroosmotic pump, and configured to separate the fluid and a transfer target fluid. The electroosmotic pump may include: a membrane that allows a fluid to move therethrough; and a first electrode and a second electrode which are respectively provided at two opposite sides of the membrane, and each of which is formed of a porous material or has a porous structure to allow a fluid to move therethrough; each of the first electrode and the second electrode may be made of porous carbon only; and an electrochemical reaction of the first electrode and the second electrode may take place as a cation is moved in a direction whereby a charge balance is established.

Abstract: The present disclosure provides a system for electrochemical conversion of carbon dioxide, including: a reduction electrode unit to which carbon dioxide is supplied and including a metal-containing electrode; an oxidation electrode unit including a sacrificial electrode; and an electrolyte unit including an aprotic polar organic solvent and an auxiliary electrolyte, which is in contact with the reduction electrode unit and the oxidation electrode unit, and the carbon dioxide supplied to the reduction electrode unit is electrochemically reduced so as to produce an oxalate salt.

Abstract: The present invention relates to a method for manufacturing an amalgam electrode, an amalgam electrode manufactured by the method, and a method for electrochemical reduction of carbon dioxide using the amalgam electrode.

Abstract: An electro-osmotic pump using a reversible electrode reaction is provided, the electro-osmotic pump using a reversible electrode reaction comprising: a membrane that allows movement of a fluid; and first and second electrodes that are arranged on both sides of the membrane, respectively, and composed of a porous material or structure to allow the movement of the fluid, and a material to cause a reversible electrochemical reaction, wherein the first and second electrodes are alternately and reversely supplied with a voltage to make the electrochemical reaction repeat alternately forward and backward, and as a result, the alternate change of the movement direction of the fluid generates a pumping force to repair the first and second electrodes.

Abstract: A method and a device for electrochemical reduction of carbon dioxide for preparing a high-concentration formate salt. Carbon dioxide is continuously supplied to a cathode unit and is continuously supplied to a metal hydroxide to the anode unit. A voltage or current is applied to the cathode unit and the anode unit for reducing the carbon dioxide to obtain the formate salt.

Abstract: A fluid pumping system may include an electroosmotic pump; and a separation member provided at least one end of the electroosmotic pump, and configured to separate the fluid and a transfer target fluid. The electroosmotic pump may include: a membrane that allows a fluid to move therethrough; and a first electrode and a second electrode which are respectively provided at two opposite sides of the membrane, and each of which is formed of a porous material or has a porous structure to allow a fluid to move therethrough; each of the first electrode and the second electrode may be made of porous carbon only; and an electrochemical reaction of the first electrode and the second electrode may take place as a cation is moved in a direction whereby a charge balance is established.

Abstract: A fluid pumping system may include an electroosmotic pump; and a separation member provided at least one end of the electroosmotic pump, and configured to separate the fluid and a transfer target fluid. The electroosmotic pump may include: a membrane that allows a fluid to move therethrough; and a first electrode and a second electrode which are respectively provided at two opposite sides of the membrane, and each of which is formed of a porous material or has a porous structure to allow a fluid to move therethrough; each of the first electrode and the second electrode may contain a conductive polymer in which an anionic polymer is included or may be made of porous carbon only; and an electrochemical reaction of the first electrode and the second electrode may take place as a cation is moved in a direction whereby a charge balance is established.

Abstract: The embodiments described herein pertain generally to an electrochemical reduction method of carbon dioxide under a solution condition containing potassium sulfate.

Abstract: The present invention relates to a method for manufacturing an amalgam electrode, an amalgam electrode manufactured by the method, and a method for electrochemical reduction of carbon dioxide using the amalgam electrode.

Abstract: A fluid pumping system may include an electroosmotic pump; and a separation member provided at least one end of the electroosmotic pump, and configured to separate the fluid and a transfer target fluid. The electroosmotic pump may include: a membrane that allows a fluid to move therethrough; and a first electrode and a second electrode which are respectively provided at two opposite sides of the membrane, and each of which is formed of a porous material or has a porous structure to allow a fluid to move therethrough; each of the first electrode and the second electrode may contain a conductive polymer in which an anionic polymer is included or may be made of porous carbon only; and an electrochemical reaction of the first electrode and the second electrode may take place as a cation is moved in a direction whereby a charge balance is established.

Abstract: The present disclosure relates, according to some embodiments, to compositions, methods, devices, and systems for delivering a composition (e.g., a fluid composition) to a subject. For example, the present disclosure relates to non-gassing, direct current (DC), electro-osmotic pumps in some embodiments. A pump may comprise an anode (e.g., a porous silver/silver oxide anode), a cathode (e.g., a porous silver/silver oxide cathode), and a membrane (e.g., a porous ceramic membrane) positioned at least partially between the anode and the cathode in some embodiments. A pump system may comprise an electro-osmotic pump, a reservoir comprising a pump fluid chamber in fluid communication with the electro-osmotic pump and a delivery fluid chamber in fluid communication with the electro-osmotic pump; a controller assembly in electrical communication with the anode and the cathode; and a cannula and/or a needle in fluid communication with the delivery fluid chamber.