G01N27/327

BIOSENSOR STRUCTURE FOR MEASURING SPECIMEN AND METHOD FOR MEASURING SPECIMEN BY USING THE SAME

Disclosed are a biosensor structure for sample measurement and a sample measuring method using same. In a biosensor electrode structure for sample measurement according to an embodiment of the present invention, a working electrode, which is an electrode for measuring a sample, and a reference electrode are arranged to be spaced apart from each other in the longitudinal direction of a sample insertion channel, a working protrusion, which is a protrusion of the working electrode, and two reference protrusions, which are protrusions of the reference electrode, are alternately arranged at a part corresponding to the sample insertion channel, the ratio of the area of the working protrusion to the areas of the reference protrusions is equal to or greater than 1, at least one recognition electrode for recognizing the sample is disposed adjacent to the working electrode or the reference electrode and parallel to the working electrode and the reference electrode while being spaced apart from the working electrode and the reference electrode, and the at least one recognition electrode has at least one recognition protrusion which is a protrusion disposed at the part corresponding to the sample insertion channel.

ELECTROCHEMICAL SENSOR FOR ANALYSIS OF BEVERAGES

The invention disclosed herein relates to a dry sensor for measuring the concentration of an analyte in a liquid beverage sample. Described herein is a novel dry sensor which is able to receive a liquid sample and adjust the pH of the liquid to be suitable for assaying an analyte of interest without the need to add reagents to the sample and/or to perform manually timed operations and able to detect a redox reaction in the presence of a liquid sample. The meter disclosed herein, when connected to the sensor disclosed herein is able to adjust the temperature of the liquid to be suitable for the assay, apply a series of potentials, measure the current at several times, measure the diffusion coefficient of the limiting electrochemical species, calculate the concentration of one or more analytes, and rapidly provide the user with the required information on the liquid sample.

Method and apparatus for implementing threshold based correction functions for biosensors

A biosensor system, method and apparatus are provided for implementing threshold based correction functions for biosensors. A primary measurement of an analyte value is obtained. A secondary measurement of a secondary effect is obtained and is compared with a threshold value. A correction function is identified responsive to the compared values. The correction function is applied to the primary measurement of the analyte value to provide a corrected analyte value. The correction method uses correction curves that are provided to correct for an interference effect. The correction curves can be linear or non-linear. The correction method provides different correction functions above and below the threshold value. The correction functions may be dependent or independent of the primary measurement that is being corrected. The correction functions may be either linear or nonlinear.

Biosensor and method of using the same for evaluation of antioxidant capacity

A biosensor, including a modified gold electrode and a macrophage RAW264.7 immobilized on the modified gold electrode. The disclosure also provides a method of preparing the biosensor and a method of using the same for evaluation of antioxidant capacity of substances.

Nanobead containing biosensors and methods of production and use thereof

Multi-use biosensors are disclosed that include enzymes coupled to nanobeads; the multi-use biosensors are used to detect analytes in fluidic biological samples, and the biosensors also maintain their enzyme activity after many uses. Multi-sensor arrays are disclosed that include multiple biosensors. Also disclosed are methods of producing and using these devices.

Method and device for detecting a component in a sample

The present disclosure provides a biosensor for detecting the presence of and/or the amount of at least one fungal plant pathogen in a sample, comprising: a support structure; at least two interdigitated electrodes coupled to the support structure, wherein at least one of the interdigitated electrodes is functionalized with a linker coupled to at least one biological component that recognizes the at least one fungal plant pathogen; and an impedance measurement circuit coupled to the at least two interdigitated electrodes. The present disclosure also provides methods of detecting the presence of and/or the amount of at least one fungal plant pathogen in a sample, methods of making the biosensor described herein, as well as methods and uses of using the herein described biosensor for detecting the presence of and/or amount of at least one fungal plant pathogen.

Potentiometric probe

The present disclosure relates to a potentiometric probe for measuring a measured variable that represents an ion concentration in a measuring medium, including a probe base including a sensor circuit, and two electrochemical half-cells arranged such that one of the half-cells surrounds at least one portion of the other half-cell, wherein at least one of the half-cells is configured as a module which is connected to the probe base via a mechanical and electrical interface. In another embodiment, one of the half-cells is a measuring half-cell including an ion-selective membrane and a terminal lead which electrically contacts the ion-selective membrane. The other half-cell is a reference half-cell, wherein the measuring half-cell and/or the reference half-cell are each configured as a module which is connected to the probe base via a mechanical and electrical interface.

Potentiometric probe

The present disclosure relates to a potentiometric probe for measuring a measured variable that represents an ion concentration in a measuring medium, including a probe base including a sensor circuit, and two electrochemical half-cells arranged such that one of the half-cells surrounds at least one portion of the other half-cell, wherein at least one of the half-cells is configured as a module which is connected to the probe base via a mechanical and electrical interface. In another embodiment, one of the half-cells is a measuring half-cell including an ion-selective membrane and a terminal lead which electrically contacts the ion-selective membrane. The other half-cell is a reference half-cell, wherein the measuring half-cell and/or the reference half-cell are each configured as a module which is connected to the probe base via a mechanical and electrical interface.

Protective coating for electrical components and method of making the protective coating

A electronic component including a first protective layer covering the substrate and the conductive tract, a second protective layer covering at least a portion of the first protective layer, wherein the second protective layer includes Parylene, and a third protective layer covering at least a portion of the second protective layer.

Biosensor calibration coding systems and methods
11499960 · 2022-11-15 · ·

A test sensor for determining an analyte concertation in a biological fluid comprises a strip including a fluid receiving area and port-insertion region. A first row of optically transparent and non-transparent positions forms a calibration code pattern disposed within a first area of the port-insertion region. A second row of optically transparent and non-transparent positions forms a synchronization code pattern disposed within a second area of the port-insertion region. The second area is different from the first area. The synchronization code pattern corresponds to the calibration code pattern such that the synchronization code pattern provides synchronization of the serial calibration code pattern during insertion of the port-insertion region into the receiving port of the analyte meter.