FREE patent keyword monitoring and additional FREE benefits. /images/triangleright (1K) REGISTER now for FREE triangleleft (1K)
Fresh Patents
Monitor Patents Patent Organizer How to File a Provisional Patent Browse Inventors Browse Industry Browse Agents Browse Locations
     new ** File a Provisional Patent ** 


Electrolysis: Processes, Compositions Used Therein, And Methods Of Preparing The Compositions > Electrolytic Analysis Or Testing (process And Electrolyte Composition)

Electrolytic Analysis Or Testing (process And Electrolyte Composition)

Electrolytic Analysis Or Testing (process And Electrolyte Composition) patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

01/03/08 - 20080000779 - Method and system for remedying sensor malfunctions detected by electrochemical impedance spectroscopy
A method and system that enables a user to maintain a sensor in real time. The present invention involves performing a diagnostic Electrochemical Impedance Spectroscopy (EIS) procedure to measure sensor impedance value in order to determine if the sensor is operating at an optimal level. If the sensor is not ...

12/27/07 - 20070295614 - Method for monitoring an electrochemical treatment process and electrode arrangement suited for carrying out this method
There is described a counter-electrode arrangement that, e.g. can be used when coating and removing coatings from turbine blades, and to a method for the operation thereof. The counter-electrode arrangement comprises a reference electrode arrangement that is connected to the counter-electrode in an electrically non-conductive manner via contact elements. During ...

10/18/07 - 20070240998 - Pulsed electrochemical detection method
In one embodiment, the present invention is directed to a pulsed electrochemical detection method comprising (a) flowing a liquid sample stream including at least one analyte past a working electrode in a flow-through cell; (b) applying at least three pulsed electrical potentials to the working electrode, (1) a first conditioning ...

09/20/07 - 20070215490 - Method of analyzing accelerator for copper electroplating
A method of analyzing accelerator of copper electroplating includes a selective adsorption step and an electrochemical deposition step. First, a gold electrode is placed into a plating solution, which contains organic additives. Then, the gold electrode is dipped in the plating solution for a while to adsorb the sulfur-containing accelerators. ...

08/23/07 - 20070193886 - Detection methods and devices
A device comprising an electrode constructed and arranged to electrochemically activate an electrochemically inactive analyte is disclosed. Methods and systems that implement the device are also provided. ...

07/26/07 - 20070170073 - Method and system for detecting age, hydration, and functional states of sensors using electrochemical impedance spectroscopy
A method and program prevents a user from bypassing a limit placed on a specified operating life of a sensor by disconnecting and reconnecting the sensor. The present invention checks a characteristic of the sensor to see if the sensor is used prior to the connection of the sensor, and ...

07/12/07 - 20070158210 - Gas-monitoring assembly comprising one or more gas sensors and one or more getters, and method of using same
The present invention relates to a gas-monitoring assembly (100) and method for selectively determining the presence of a target gas in a gaseous environment that potentially comprises one or more interfering gases. Such gas-monitoring assembly and method specifically employ one or more gas sensors (S1) one or more getters (G1) ...

07/12/07 - 20070158209 - Gas sensor and method thereof
A gas sensor and method thereof are provided. The example gas sensor may include first and second electrodes formed on a substrate, a carbon nanotube connecting the first and second electrodes on the substrate, a light source disposed above the carbon nanotube and an ampere meter measuring current flowing between ...

06/28/07 - 20070144918 - Electrochemical test strip
An electrochemical test system comprising an electrochemical test strip capable of initiating an instrument, determining if it is inserted into a correct position of the instrument, a sample is injected into a reaction region of the electrochemical test strip, and the sample covers the reaction region properly. The electrochemical test ...

05/03/07 - 20070095678 - Methods of minimizing temperature cross-sensitivity in vapor sensors and compositions therefor
The present invention relates to methods of making compositions for sensor films used for detecting chemical analytes within sensors, such as polymer-absorption chemiresistors (i.e., conductometric sensors). The sensor films have reduced cross-sensitivity to temperature, while maintaining sensitivity to the chemical analytes. The sensor matrix includes components that are associated with ...

02/22/07 - 20070039833 - Method for measuring corrosion inhibitor concentration
A method for measuring metal ion concentration includes the following steps of: providing a measuring solution having a corrosion inhibitor; adding a specific quantity of metal ion solution into the measuring solution; providing a potential scan device (1); measuring a cyclic voltammetry curve of the measuring solution using the potential ...

02/15/07 - 20070034530 - Method for measuring metal ion concentration
A method for measuring metal ion concentration includes the following steps of: providing a measuring solution having metal ion; providing a potential scan device (1); measuring a cyclic voltammetry curve of the measuring solution using the potential scan device 1 at a constant scan rate in a specific potential range, ...

02/15/07 - 20070034529 - Electrochemistry and electrogenerated chemiluminescence with a single faradaic electrode
Described herein is an apparatus comprising an electrochemical cell that employs a capacitive counter electrode and a faradaic working electrode. The capacitive counter electrode reduces the amount of redox products generated at the counter electrode while enabling the working electrode to generate redox products. The electrochemical cell is useful for ...

01/25/07 - 20070017821 - Reversible electrochemical sensors for polyions
The present invention is directed to a reversible electrochemical sensor for polyions. The sensor uses active extraction and ion stripping, which are controlled electrochemically. Spontaneous polyion extraction is suppressed by using membranes containing highly lipophilic electrolytes that possess no ion-exchange properties. Reversible extraction of polyions is induced by constant current ...

01/11/07 - 20070007148 - Base sequence detecting electrode, base sequence detecting device and base sequence detecting method
A conductive detecting electrode (2), first blocking molecules (21) formed so as to cover a surface of the detecting electrode (2), the first blocking molecules decreasing adsorption of an intercalating agent to the surface of the detecting electrode (2), a target-complementary probe (23) immobilized to the detecting electrode (2) via ...

12/14/06 - 20060278536 - Sensor comprising supported aprotic ionic liquid
A sensor for detecting and measuring analyte includes a working electrode, a counter electrode, and a porous support positioned in between and in contact with the working electrode and the counter electrode. At least one of the working electrode and the counter electrode is perforated. Aprotic ionic liquid fills the ...

11/30/06 - 20060266658 - Electrochemical sensor
An organic contaminant molecule sensor is described for use in a low oxygen concentration monitored environment. The sensor comprises an electrochemical cell, which is formed from a measurement electrode coated with (or formed from) a catalyst having the ability to catalyse the dissociative adsorption of the organic contaminant molecule, the ...

11/16/06 - 20060254932 - Electrochemical cell
A biosensor for use in determining a concentration of a component in an aqueous liquid sample is provided including: an electrochemical cell having a first electrically resistive substrate having a thin layer of electrically conductive material, a second electrically resistive substrate having a thin layer of electrically conductive material, the ...

11/16/06 - 20060254931 - Method for determining effective diffusivity of substances through porous materials
The present invention provides a new method to obtain an effective diffusivity for a certain substance in solutions that diffuse through a porous material. The porous material initially separates two solutions that are different in concentration of the substance. The concentration gradient gives rise to diffusion through the porous material, ...

11/09/06 - 20060249401 - Apparatus and method for determining a chemical element
To be able to use the sensor more variably and more reliably, it is proposed to produce a surface topology of such dimensions that during operation, a moisture film (16) of deposited ambient moisture continuously coats the surface area of both the electrode system and the reaction area. Possibilities in ...

11/02/06 - 20060243604 - Method and apparatus for treating waste water
The present invention relates to a method and apparatus for removing and recovering metal such as copper from various kinds of waste water containing copper. A method for treating waste water includes treating waste water in a copper treatment step (10) comprising a combination of electrodialysis operation and electrolytic deposition ...

11/02/06 - 20060243603 - Methods and apparatus for the measurement of hydrogen sulphide and thiols in fluids
An electrochemical sensor for measuring the amount of hydrogen sulphide or thiols in a fluid in a wellbore comprises a temperature- and pressure-resistant housing containing a flow path for the fluids. The fluids flow over one side of a gas permeable membrane made of zeolite or a suitable ceramic material, ...

10/26/06 - 20060237331 - Detection of sealing by means of noise analysis
The invention relates to a method for determining the sealing of a substance on a support by determining the electrical noise. ...

10/19/06 - 20060231420 - Explosives detection sensor
A solid state electrochemical gas sensor for detecting trace amounts of explosive materials and a method of detecting such explosives. The sensor has at least two electrodes. The at least two electrodes include a first catalytic electrode and a second catalytic electrode that are dissimilar and an electrolyte disposed between ...

10/19/06 - 20060231419 - Molecular resonant tunneling sensor and methods of fabricating and using the same
Resonant tunneling devices and methods of using and fabricating the same are provided. The subject devices include a first and second fluid containment members separated by a fluid barrier having a single nanopore therein providing fluid communication between the first and second fluid containment members, wherein the nanopore has a ...

10/19/06 - 20060231418 - Determination of partial fill in electrochemical strips
Partial fill of an electrochemical test strip is determined by making a DC determination of double layer capacitance from charging or discharging charge on a test strip containing sample, for example a blood sample to be tested for glucose. The measured double layer capacitance is compared to a reference value. ...

10/19/06 - 20060231417 - Test strip coding and quality measurement
A test strip and analytical apparatus have pin connections permitting the definition of geographic regions or of particular customers. A test strip made for use in a particular region or for a particular customer will have pin connections matching features of the apparatus made for use in that region ...

10/12/06 - 20060226028 - System and method for detecting interaction between substances by superimposingly applying sinusoidal voltage
Disclosed herein is a system for detecting interaction between substances includes a reaction field for allowing the interaction to proceed between the substances, and a voltage application section for applying a voltage to a working electrode arranged facing the reaction field such that a predetermined electrodynamic effect is given to ...

10/05/06 - 20060219575 - Method of checking the function of a sensor
The functioning of an amperometric electrochemical sensor having an electrochemical cell is monitored by the electrochemical cell. A perturbation quantity is imposed on the sensor, which is operated with voltage control at a given polarization voltage. The response to the perturbation is measured and a check value is calculated, using ...

08/17/06 - 20060180478 - Method, system and software application for electrochemical analysis
The invention is a method, system and software application for electrochemical analysis of analytes in a solution. In one aspect of the invention, raw data is received from an electrochemical analysis and the raw data is analyzed. The analyzed data and the raw data are displayed. The electrochemical analysis is ...

07/27/06 - 20060163087 - Reaction conditions sensor
A method and apparatus for detecting adverse conditions during the analysis of chemical and biological processes are disclosed. In one embodiment, the reaction conditions in a microelectrochemical reaction chamber are monitored. The reaction chamber comprises electrodes arranged to pass an electric current through reaction mixture located within the reaction chamber, ...

07/27/06 - 20060163086 - Apparatus and method for measuring reaction result of samples on biosensor
Disclosed are an apparatus and a method for determining whether or not a biosensor comprising two working electrodes and one reference electrode is well manufactured, and for rapidly and accurately quantifying a specific substance contained in a biological sample. The method comprises the steps of: sequentially supplying the respective working ...

06/01/06 - 20060113198 - Gas detection apparatus and method for controlling gas sensor
A first gas sensing element is provided in a first position to measure a concentration of a gas continuously, and a second sensing element is provided in a second position to measure the concentration of the gas intermittently. The second position is in close proximity to the first position. A ...

05/11/06 - 20060096870 - Detection of biological molecules
An apparatus uses carbon nanotubes for electrochemical analysis of biological molecules of interest such as Uric Acid, illustrating how the voltammetric behaviors of uric acid (UA) and L-ascorbic acid (L-AA) at a well-aligned, carbon nanotube, electrode may be used in a biochemical assay. Compared to glassy carbon, a carbon nanotube ...

05/04/06 - 20060091022 - Nanoelectrocatalytic gas sensors for harsh environments
A sensor for detecting gases, such as gaseous combustion products in a hot gas path. The sensor has at least one electrode pair that includes a plurality of nanostructures. The nanostructures comprise electrocatalytic material and have a porosity that permits gases to diffuse into interior spaces within the nanostructures. A ...

04/27/06 - 20060086624 - Techniques to improve polyurethane membranes for implantable glucose sensors
The invention provides an implantable membrane for regulating the transport of analytes therethrough that includes a matrix including a first polymer; and a second polymer dispersed throughout the matrix, wherein the second polymer forms a network of microdomains which when hydrated are not observable using photomicroscopy at 400× magnification or ...

04/27/06 - 20060086623 - Time-based integrated potentiostat
An integrated potentiostat includes a voltage controller that maintains within a predetermined range a potential between a reference electrode and a working electrode in an electrochemical cell. The integrated potentiostat further includes a capacitor that supplies or receives a current through the working electrode or reference electrode of the electrochemical ...

04/06/06 - 20060070890 - Gas concentration measurement method gas sensor
The gas sensor in accordance with one embodiment of the present invention is a gas sensor comprising: a solid electrolyte member; a sensing electrode provided on the solid electrolyte member and comprising at least one of a metal carbonate and a metal hydrogen carbonate; and a plurality of reference electrodes ...

04/06/06 - 20060070889 - Reference electrode for potentiometric measurements, and method of monitoring the reference electrode
A reference electrode for potentiometric measurements has a housing (2) with a hollow space (4) containing a liquid reference electrolyte (6) as well as a conductor element (8) immersed in the reference electrolyte. In addition, the housing has a diaphragm (12) through which the reference electrolyte can be brought into ...

03/23/06 - 20060060475 - Method and apparatus for conditioning a sensor for measuring oxidation reduction potential
A method and apparatus for conditioning a sensor to measure an oxidation reduction potential of an aqueous solution such that the time to obtain a reliable oxidation reduction potential measurement is substantially reduced. Such conditioning is often necessary when the sensor is moved from potentiometric equilibrium (e.g., the sensor is ...

03/02/06 - 20060042964 - Automated system for continuously and automatically calibrating electrochemical sensors
An electrochemical sensor system that continuously monitors and calibrates the sensors included in the system. The invention also includes a method for determining failure patterns of a sensor and incorporating into an electrochemical sensor system the ability to recognize the failure pattern and initiate remedial action. ...

03/02/06 - 20060042963 - Method for detecting the presence or absence of a gas bubble in an aqueous liquid
A method for detecting the presence or absence of a gas bubble in an aqueous liquid is provided comprising providing an amperometric sensor positioned within a measuring chamber, wherein the amperometric sensor is configured to determine the concentration of a gaseous component dissolved in a liquid, the amperometric sensor comprising ...

03/02/06 - 20060042962 - High-throughput cell assay apparatus
In a high-throughput cell assay apparatus, a cell-and-electrode chip conveying apparatus moves from a cell storage to a measuring portion, and then to a cell-and-electrode chip disposal portion. Thereafter, it is determined if the electrode chip after being used should be re-used, again, or not, by referring to a condition ...

03/02/06 - 20060042961 - Potentiometric measurement of chloride concentration in an acidic solution
Measuring chloride ions in a sample solution at acidic pH with a potentiometric silver chloride electrode is disclosed. ...

03/02/06 - 20060042960 - Self-adjusting electrochemical sensor
A gas detector with a compensated electrochemical sensor exhibits altered sensitivity in response to decreasing stochastic noise in an output thereof. A gain parameter can be adjusted to alter sensitivity. A life-time estimate can be made based on sensitivity. ...

02/09/06 - 20060027464 - Method for determining parameters of a gas-selective electrode
Gas-selective electrodes in liquid analyzing devices have a characteristic K with a linear portion L and a non-linear portion NL. In the non-linear portion NL, the characteristic can only be estimated so that these determinations of the concentration are rather inexact. According to the present method, the electrode is rinsed ...

12/29/05 - 20050284772 - Method of sensor conditioning for improving signal output stability for mixed gas measurements
A method of sensor conditioning is proposed for improving signal output stability and differentiation between responses to different gases such as exhaust from combustion processes. A square wave (or saw tooth) voltage pulses of opposite polarity and equivalent amplitude are applied between sensor electrodes. Pulses are separated by pauses, when ...

12/01/05 - 20050263408 - Calibration method and zirconia-type oxygen analyzer using this method
A calibration method in which secular change in sensor output values obtained at calibration times is estimated and the next calibration date can be determined at an appropriate interval and a zirconia-type oxygen analyzer using the above calibration method is achieved. The present invention is characterized by the fact that, ...

11/24/05 - 20050258051 - Hydrogen sensor and method for detecting hydrogen
The present invention has a hydrogen detection portion composed of a semiconductor and a hydrogen absorber provided at at least a part of a surface thereof, and pairs of electrodes provided at the semiconductor so as to sandwich the place at which the hydrogen absorber is provided and so as ...

11/24/05 - 20050258050 - Connector configuration for electrochemical cells and meters for use in combination therewith
A substantially planar electrochemical test strip for determination of the presence and/or quantity of an analyte in a sample is provided that has a first electrode, a first connector including two contact pads, and a first conductive lead extending between the first electrode and the first connector to establish a ...

11/17/05 - 20050252789 - Hydrogen sensing apparatus and method
An apparatus and methods are provided for the accurate determination of hydrogen content in fluid media at elevated temperatures. The apparatus consists of a proton conducting solid electrolyte in contact with an internal metal/hydrogen reference standard, in which the electrolyte and the reference material are in a chemically stable contact. ...

11/10/05 - 20050247572 - Devices, systems and methods for testing gas sensors and correcting gas sensor output
A method of adjusting the output of an electrochemical sensor includes the steps of: simulating the presence of an analyte gas electronically; measuring a response of the sensor to the electronic simulation; and adjusting the output of the sensor as a function of the measured response to the electronic simulation. ...

11/03/05 - 20050241956 - Electrolytic method and apparatus for trace metal analysis
An electrolytic method and apparatus for treating a solution sample allowing for the accurate and substantially real-time and on-line analysis of trace contaminants in the solution sample. The method of the present invention includes two stages. The solution sample is electrolyzed during a first stage to decompose the matrix, thereby ...

09/08/05 - 20050194264 - Method and apparatus for improving the performance of an electrochemical sensor
The present teachings relate to systems and methods for oxidizing a sensor having a substrate, an electrode in contact with the substrate, and an electrolytic material in contact with the electrode, where oxidizing includes applying an oxidizing potential (between approximately 350 mV and 700 mV) to the electrode. In some ...

09/01/05 - 20050189238 - Method and system for sensing gas incorporating an integrated reference element
A system for sensing a gas stream constituent comprises: (a) a thermally conductive, electrically insulative substrate, (b) a gas-sensing element mounted on the substrate and capable of sensing the constituent, (c) a reference element mounted on the substrate having electrical properties congruent with the gas-sensing element and being insensitive to ...

08/25/05 - 20050183968 - Isolated gas sensor configuration
A gas sensor assembly detects a constituent in a gaseous stream. The assembly comprises: (a) a mounting surface, (b) a sensor mounted on the mounting surface and sensor capable of generating a detectable signal in the presence of the constituent, and (c) an enclosing structure. The enclosing structure comprises: (i) ...

08/25/05 - 20050183967 - Thin film gas sensor configuration
A gas sensor for sensing a gas stream constituent includes, mounted a substrate, a first gas-sensing element capable of sensing the constituent in a first concentration range, a reference element insensitive to the constituent and having electrical properties congruent with the first gas-sensing element, a heating element substantially circumscribing the ...

08/25/05 - 20050183966 - Device and method for testing a membrane electrode assembly
In order to create a device for testing a membrane electrode assembly, by means of which fabricated membrane electrode assemblies can be tested in a non-destructive manner, a first contact device is provided for bringing a first electrode side of the test object into electrical contact, a second contact device ...

08/25/05 - 20050183965 - Method of reducing interferences in an electrochemical sensor using two different applied potentials
The present invention is directed to a method of reducing the effects of interfering compounds in the measurement of analytes and more particularly to a method of reducing the effects of interfering compounds in a system wherein the test strip utilizes two or more working electrodes. In one embodiment of ...

08/18/05 - 20050178675 - Time-resolved exhaust emissions sensor
A sensor may be used to measure particulate mass concentration in the exhaust of an internal combustion engine. The sensor may include a signal electrode and a detector electrode at least partially enclosed within a sensor body. The sensor may continuously measure the particulate mass concentration in the exhaust of ...

08/18/05 - 20050178674 - Micro-band electrode
The invention concerns an electrochemical cell which, either alone or together which a substrate onto which it is placed, is in the form of a receptacle. The electrochemical cell contains a working electrode and a counter electrode, the working electrode being in a wall of the receptacle. At least one ...

08/11/05 - 20050173263 - Diagnostic and control methods for internally calibrated oxygen sensor
A set of methods controls the pumping action of and provides leak checking of a solid electrolyte oxygen sensor having internal and external electrodes. A first method performs a leak check on the sensor by forcing the sensor internal reference chamber to an evacuated state while seeking a minimum pumping ...

06/30/05 - 20050139489 - Method of reducing the effect of direct and mediated interference current in an electrochemical test strip
The present invention is directed to a method of reducing interferences in an electrochemical sensor wherein the method includes the step of measuring a first current at a first working electrode, the first working electrode being covered by an active reagent layer, the step of measuring a second current at ...

06/09/05 - 20050121338 - Self-diagnostic method for electrochemical gas sensor and gas detecting device
An electrochemical gas sensor is self-diagnosed on the basis of an output waveform that is generated when a power source of said gas sensor is turned on after said power source has been turned off for a short time and an output waveform that is generated when said power source ...



###

FreshPatents.com Support