Abstract: An NOx sensor includes a gas sensor element, a body member made of metal, and a protector made of metal. The body member is formed into a tubular shape extending in an axial direction and accommodates a gas sensor element internally of the same. The NOx sensor is formed into a tubular shape extending in the axial direction and includes an attachment member disposed such that a space extending in the axial direction is formed between the attachment member and the body member. The gas sensor element includes an oxygen concentration detection cell having an oxygen ion-conductive solid electrolyte layer and a detection electrode and a reference electrode formed on the solid electrolyte layer and forming a pair, and a heater for heating the oxygen concentration detection cell to a predetermined temperature. The oxygen concentration detection cell is disposed in the space.

Abstract: A method for producing a gas sensor element (10), the gas sensor element including a diffusive porous layer (113) disposed in a measurement chamber (111) and exposed to the outside and a ceramic insulating layer (115) forming sidewalls of the measurement chamber. The method includes transferring green diffusive porous layer pieces (113x) cut in advance so as to have prescribed dimensions onto a first ceramic green sheet (110x); applying an insulating paste which later becomes the ceramic insulating layer to the first ceramic green sheet; laminating the first ceramic green sheet onto a second ceramic green sheet (120x) to form a ceramic laminate (200x); cutting the ceramic laminate along prescribed cutting lines C to obtain a plurality of gas sensor element pieces 10x; and firing the gas sensor element pieces.

Abstract: A gas sensor including a detection element section (71) including a solid electrolyte body and a pair of electrodes disposed on the solid electrolyte body, and a heater (73) for heating the detection element section (71). Inherent characteristic information is recorded in a record section (170) provided on the gas sensor or a record section provided separately from the gas sensor. The inherent characteristic information is information specific to the detection element section (71) and which allows setting of a relation between a change in the temperature of the detection element section (71) and a change in the internal resistance between the pair of electrodes.

Abstract: A gas sensor for detecting the concentration of a detection target gas in an atmosphere of interest is disposed on an electrically insulating member. The gas sensor includes an insulating porous layer formed of an electrically insulating porous material, a reference electrode, a solid electrolyte body, a detection electrode that are stacked in this order on the electrically insulating member, and a reference electrode lead disposed between the insulating member and the insulating porous layer. The insulating porous layer defines a through hole in a region sandwiched between the reference electrode lead and the reference electrode. An electrically conductive member formed of a material having electrical conductivity is disposed in the through hole so as to extend from an opening of the through hole at one end thereof to an opening of the through hole at the other end thereof.

Abstract: A sensor element includes: three electrode pads provided on the first main surface, and electrically connected to a connection terminal, the three electrode pads including; a pad group including two electrode pads which are arranged in a widthwise direction of the sensor element, and a single pad which is not overlapped with the pad group when viewed in a widthwise direction, the single pad including a main body portion which has a width greater than a clearance between the two electrode pads of the pad group, which is electrically connected to the connection terminal, and a connection portion which is connected to a conductor formed within a through hole extending within the sensor element in a thickness direction, and which is adjacent to a side surface of the main body portion.

Abstract: Disclosed is a gas sensor element having an electrode containing a first metal as a predominant component and a lead containing a second metal as a predominant component. The electrode and the lead are connected directly at a connection boundary thereof, or connected indirectly via a connection joint. The connection boundary or joint includes a component region where either one of the first and second metals lower in specific gravity than the other of the first and second metals is contained in an amount ranging between those in the electrode and the lead.

Abstract: A sensor includes a pump cell and a reference cell generating voltage Vs or current. The pump cell includes a pump cell first electrode and a pump cell second electrode. The surface of the pump cell first electrode includes a noble metal region formed of a noble metal, a ceramic region, and a coexistence region in which the noble metal and the ceramic material coexist. The width of the coexistence region in an A region of the surface of the pump cell first electrode is greater than the width of the coexistence region in a B region of the surface. The A region is a region close to the reference cell first electrode, and the B region is a region located further away from the reference cell first electrode as compared with the A region.

Abstract: A gas sensor element configured to detect a first component and a second component of a measurement target gas comprises an element body portion, a first detection portion, a second detection portion with a porous region, and an element protection portion. The element protection portion covers the porous region and a region at the front side with respect to the porous region in a normal side face, and covers a part of a region at the front side with respect to the second detection portion without covering the second detection portion in a second detection side face. The element protection portion is formed so as not to cover the second detection portion but to cover the porous portion of the first detection portion.

Abstract: The gas sensor includes a gas sensor element, a casing, and an insulating inner member contained inside the casing. The gas sensor element includes a detection element and a heater. The detection element includes one or more cells each having a solid electrolyte body and a pair of electrodes. Each of the opposite side surfaces of the detection element includes a region including a smallest current cell and extending forward of the smallest current cell in the direction of an axial line. The region and the forward-facing surface of the detection element are covered with a glass coating having a glass transition point of higher than 700° C. but not higher than 800° C. and a porosity of 3.0% or less. The detection element is controlled to have a temperature equal to or lower than the glass transition point of the glass coating.

Abstract: A gas sensor (1) including: a sensor element (10) which includes a detection portion (11) and a heater (50); a metal shell (138); and a filled member (153) filled with a filling material between the metal shell and the sensor element, wherein a position at which change in a temperature of the sensor element is smallest when a disturbance is applied is a temperature reference position M, the filled member is positioned rearward of the temperature reference position, an overall axial length LT of the sensor element is not greater than 50 mm, an axial length LE from a rear end of the filled member to a rear end of the sensor element is not smaller than 13.5 mm, and an axial length LA from the temperature reference position to a front end of the filled member is greater than 5.0 mm and not greater than 11.5 mm.

Abstract: A method for producing a gas sensor element (10), the gas sensor element including a diffusive porous layer (113) disposed in a measurement chamber (111) and exposed to the outside and a ceramic insulating layer (115) forming sidewalls of the measurement chamber. The method includes transferring green diffusive porous layer pieces (113x) cut in advance so as to have prescribed dimensions onto a first ceramic green sheet (110x); applying an insulating paste which later becomes the ceramic insulating layer to the first ceramic green sheet; laminating the first ceramic green sheet onto a second ceramic green sheet (120x) to form a ceramic laminate (200x); cutting the ceramic laminate along prescribed cutting lines C to obtain a plurality of gas sensor element pieces 10x; and firing the gas sensor element pieces.

Abstract: An NOx sensor includes a gas sensor element, a body member made of metal, and a protector made of metal. The body member is formed into a tubular shape extending in an axial direction and accommodates a gas sensor element internally of the same. The NOx sensor is formed into a tubular shape extending in the axial direction and includes an attachment member disposed such that a space extending in the axial direction is formed between the attachment member and the body member. The gas sensor element includes an oxygen concentration detection cell having an oxygen ion-conductive solid electrolyte layer and a detection electrode and a reference electrode formed on the solid electrolyte layer and forming a pair, and a heater for heating the oxygen concentration detection cell to a predetermined temperature. The oxygen concentration detection cell is disposed in the space.

Abstract: The gas sensor includes a gas sensor element, a casing, and an insulating inner member contained inside the casing. The gas sensor element includes a detection element and a heater. The detection element includes one or more cells each having a solid electrolyte body and a pair of electrodes. Each of the opposite side surfaces of the detection element includes a region including a smallest current cell and extending forward of the smallest current cell in the direction of an axial line. The region and the forward-facing surface of the detection element are covered with a glass coating having a glass transition point of higher than 700° C. but not higher than 800° C. and a porosity of 3.0% or less. The detection element is controlled to have a temperature equal to or lower than the glass transition point of the glass coating.

Abstract: A gas sensor element including a lead portion (79a) formed on a lower surface of an insulating member (76) and extending through a through hole (176) to an upper surface thereof, and a lead portion (79b) extending from the upper surface of the insulating member (76) through the through hole (176) to the lower surface of the insulating member (76) so as to cover the lead portion (79a) along the inner circumferential wall and a portion of the lower surface around the through hole. The lead portion (79a) has a section exposed to a space (230) on the lower surface side of the insulating member (76). The lead portion (79b) is disposed so as to face the insulating member (76) with the space (230) therebetween. The lead portion (79a) communicates with the outside through the space (230). Also disclosed is a method for producing the gas sensor element.

Abstract: Provided is a raw material for a food additive which promotes the intracerebral release of monoamines such as dopamine and noradrenaline, and imparts a function to prevent cranial nerve disease and a function to improve brain function to foods, by being added to said foods. This method involves using as a food additive an oligopeptide mixture containing dipeptides or tripeptides having tyrosine or phenylalanine as constituent amino acids, in order to produce foods to prevent cranial nerve disease or foods to improve brain function.

Abstract: A gas sensor (1) which can be an air-fuel ratio sensor includes a detection element (71) including a pair of electrodes, one of the paired electrodes being a sensing electrode (87) which is exposed to a gas-to-be-measured, and the other electrode being a reference electrode (95) which functions as an oxygen reference electrode. In the gas sensor (1), the reference electrode (95) is connected to a porous reference electrode lead (97) extending along the surface of a solid electrolyte body (77); the reference electrode lead (97) contains a noble metal as a main component and also contains a ceramic material; and the reference electrode lead (97) has a specific resistance lower than that of the reference electrode (95). The ceramic material has, in a sintered state, a mean primary grain size greater than that of the noble metal.

Abstract: A gas sensor (1) which can be an air-fuel ratio sensor includes a detection element (71) including a pair of electrodes, one of the paired electrodes being a sensing electrode (87) which is exposed to a gas-to-be-measured, and the other electrode being a reference electrode (95) which functions as an oxygen reference electrode. In the gas sensor (1), the reference electrode (95) is connected to a porous reference electrode lead (97) extending along the surface of a solid electrolyte body (77); the reference electrode lead (97) contains a noble metal as a main component and also contains a ceramic material; and the reference electrode lead (97) has a specific resistance lower than that of the reference electrode (95). The ceramic material has, in a sintered state, a mean primary grain size greater than that of the noble metal.

Abstract: [Problem] Provided is a material that is capable of suppressing the loss of carbonation in a carbonated beverage over time to reduce changes in flavor, including mouthfeel, when drinking the beverage. [Solution] Addition of a water-soluble soybean polysaccharide into a non-alcoholic carbonated beverage suppresses the loss of carbonation over time to retain carbonation in the carbonated beverage for a long period of time, thereby reducing changes in flavor during a period from immediately after opening the container thereof to when drinking the beverage after storage.

Abstract: The object is to improve the bubble retention in a sparkling beverage such as a malt alcoholic beverage including a beer and a sparkling liquor, a sparkling alcoholic beverage produced without any malt and a carbonated refreshing beverage including a soda pop and a cream soda. Disclosed is a bubble stabilizer comprising, as an active ingredient, a water-soluble soybean polysaccharide which is produced by the heat-extraction from a soybean or a processed product of a soybean at a pH lower than the isoelectric point of a soybean protein and ranging from 2.4 to 4.0 at a temperature of 100° C. or higher. The bubble stabilizer can be added to a malt alcoholic beverage such as a beer and a sparkling liquor, a sparkling alcoholic beverage produced without any malt or a carbonated refreshing beverage such as a soda pop and a lemon soda to thereby improve the bubble retention in the beverage.

Abstract: Disclosed is gluten having good dispersibility in water. Also disclosed is a method for producing active gluten, a gluten-containing food or a gluten gel efficiently by using a gluten dispersion solution. Further disclosed is a method for producing a gluten hydrolysate efficiently by preparing a gluten dispersion solution in a simple manner and hydrolyzing the dispersion solution. Gluten, which normally forms an aggregate in water, can be dispersed readily by mixing gluten with a water-soluble polysaccharide containing galacturonic acid. The gluten dispersion solution thus prepared can be used to produce active gluten, a gluten-containing food or a gluten gel efficiently, and can be also used to prepare a gluten hydrolysate in a simple manner, efficiently and stably.